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WO2018145420A1 - Roue d'entraînement à chenilles anti-vent avec mécanisme de déclenchement - Google Patents

Roue d'entraînement à chenilles anti-vent avec mécanisme de déclenchement Download PDF

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Publication number
WO2018145420A1
WO2018145420A1 PCT/CN2017/095011 CN2017095011W WO2018145420A1 WO 2018145420 A1 WO2018145420 A1 WO 2018145420A1 CN 2017095011 W CN2017095011 W CN 2017095011W WO 2018145420 A1 WO2018145420 A1 WO 2018145420A1
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WO
WIPO (PCT)
Prior art keywords
plate
sleeve
vertical
block
spring
Prior art date
Application number
PCT/CN2017/095011
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English (en)
Chinese (zh)
Inventor
郑东振
Original Assignee
郑东振
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Filing date
Publication date
Application filed by 郑东振 filed Critical 郑东振
Publication of WO2018145420A1 publication Critical patent/WO2018145420A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/088—Endless track units; Parts thereof with means to exclude or remove foreign matter, e.g. sealing means, self-cleaning track links or sprockets, deflector plates or scrapers
    • B62D55/0885—Self-cleaning sprockets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/12—Arrangement, location, or adaptation of driving sprockets

Definitions

  • the invention belongs to the technical field of crawler drive, and particularly relates to an anti-winding crawler drive wheel with a trigger mechanism.
  • the crawler drive is used in all aspects of the engineering vehicle; the durability of the track of the engineering vehicle, the passability of any terrain and the destructiveness of the terrain are the main indicators for evaluating the quality of a crawler truck; in particular, it is driven by various plants.
  • the present invention contemplates an anti-winding track drive wheel with a trigger mechanism that addresses the above problems.
  • the present invention discloses an anti-winding crawler drive wheel with a trigger mechanism, which is implemented by the following technical solutions.
  • Anti-winding crawler drive wheel with trigger mechanism characterized in that it comprises side plate, shell, retaining sleeve, adjusting mechanism, card passage, side baffle, top shaft, top shaft side swivel sleeve, top shaft middle sleeve , anti-collision block, pressure channel, end shaft, end lug, anti-collision lug, inner shroud, inner shroud, track chain, chain bevel, chain top, chain top, wherein the middle of the casing Hollow, the outer edge is uniformly distributed with a plurality of sharp corners in the circumferential direction; side plates are respectively installed on both sides of the shell, and both ends of the sharp-pointed end are mounted with an end shaft through an end lug, and between the sharp corner and the adjacent sharp corner
  • the groove has a pressure passage, and the top end of the corner has a card passage; the end of the sleeve is provided with a groove inner groove, and the top shaft side sleeve is mounted on one side of the end of the
  • the adjusting mechanism comprises a fixing column, a first spring, a scroll spring, a clamping plate, a rotating mechanism, an S-shaped lever, a pressure plate, a trigger mechanism, a leaf spring, a leaf spring support, a card plate rod, an outer fixing block, a sliding shaft, a notch, an inner fixing block, a pressing plate rod, wherein the fixing column is mounted on one side of the side plate, one end of the sliding shaft is mounted on the fixing column, and the S-shaped lever slides on the sliding shaft through the shaft hole, and the S-shaped lever shaft hole a rotating mechanism is mounted; the first spring is nested on the sliding shaft and one end is connected to the fixed column, and the other One end is connected with the rotating mechanism; the scroll spring is nested outside the first spring, and the outer end of the scroll spring is mounted on the side of the S-shaped lever through the outer fixing block, and the inner end of the scroll spring is mounted on the fixed column through the inner fixing block; The top end of the plate is connected with the top shaft middle rotating
  • the trigger mechanism includes a trigger block, a card slot, a vertical vertical plate, a vertical movement track, a trigger vertical bar, a block, a vertical horizontal plate, a horizontal guide groove, a trigger horizontal plate, a second spring, a first telescopic rod, and a first a telescopic sleeve, a vertical movement guide groove, a card arc, a bottom end plate, a card slot, a lateral guide block, a second telescopic rod, a second telescopic sleeve, a third spring, a fourth spring, a third telescopic rod, a third telescopic sleeve, wherein the vertical movement rail is installed on the side panel, the bottom end plate is installed at the lower end of the vertical movement rail, the vertical movement rail has a trapezoidal vertical movement guide groove; the vertical movement vertical plate is installed with a vertical movement horizontal plate, and the vertical movement The vertical plate has a vertical displacement guide block on one side, and the vertical movement vertical plate is mounted
  • the triggering horizontal plate is in contact with one side of the S-shaped lever, and one side of the bottom end of the pressing plate is in contact with the triggering inclined surface of the trigger block and the triggering plane.
  • the sharp corner of the casing cooperates with the inclined surface of the chain, and the card passes through the card passage and passes through the top of the chain, and the top surface of the chain cooperates with the retaining sleeve, the top shaft and the inner panel.
  • the rotating mechanism includes a first annular sleeve, a second annular sleeve, a third annular sleeve, a first inner ring, and a second inner ring, wherein the S-shaped lever shaft hole passes through An inner ring is mounted with a second inner ring; the first ring sleeve slides on the sliding shaft and a third ring sleeve is mounted through the second ring sleeve; the first inner ring and the second inner ring are mounted on The cavity formed by the first annular sleeve, the second annular sleeve and the third annular sleeve is specifically matched with one side of the first annular sleeve and one side of the second inner annular ring, and the second annular sleeve is The rim surface is in contact with the outer surface of the second inner ring, and one side of the third annular sleeve is in contact with the other side of the second inner ring
  • the two anti-collision block lugs mounted on the end shafts are mounted offset from each other.
  • the first spring, the second spring, and the third spring are both compression springs.
  • the lower side of the card slot has a card groove slope
  • the block has a card arc
  • the angle of the apex angle of the casing is any angle between 50 degrees and 65 degrees.
  • the crawler belt of the present invention is connected by the track chain through the rotating shaft, and the corner of the casing is caught in the chain slope of the track chain to drive the track to rotate, and the principle is similar to the principle of the conventional track and the driving wheel;
  • the body corner and the adjacent sharp corner are covered by the retaining sleeve, the inner panel and the side baffle to prevent the general weed or the wrap object from being wound around the sharp corner of the driving wheel, thereby causing the crawler wheel to fail; Passability.
  • the rotation of the drive wheel housing will drive the track movement through the sharp corner.
  • the top surface of the chain of the track chain exerts a downward force on the cover, the top shaft and the inner plate, and then the top axial direction Moving, at the same time driving the telescopic body composed of the baffle and the inner plate to rotate around the end shaft, and the top shaft drives the side baffle to swing downward, so that the sharp corner completely leaks out and protrudes into the chain bevel in the track chain; Acts with the chain bevel to drive the chain.
  • a structure such as a retaining sleeve is used, in which the inner panel can slide in the retaining sleeve, which belongs to the telescopic structure, and the distance between the top shaft and the end shaft in the lower axial movement.
  • this increase in distance is compensated by the extension of the inner panel from the retaining sleeve; the total length of the inner panel in the retaining sleeve is 1/2 of the total length of the retaining inner panel completely extending the retaining sleeve, and completely When the protrusion is extended, the top shaft should be at the bottom end of the groove between the sharp corner and the sharp corner.
  • the retaining sleeve and the inner panel are in contact with the sharp bevel, which requires that the distance between the adjacent sharp corners is larger than the sharp bevel.
  • the sharp corner angle in the present invention is much larger than that of the conventional driving wheel, which causes the casing to fall off when the crawler belt is driven, so that an adjustment mechanism is added to the design.
  • the adjusting mechanism uses the downward movement of the top shaft to obtain power, and relies on the power to push the card out from the card passage at the top end of the pointed corner, and the ejected card board cooperates with the chain top of the track chain to prevent the drive from falling off.
  • the S-shaped lever can rotate around the sliding shaft and can move along the axis of the sliding shaft, compressing the first spring during movement, the first spring has a reset function for the S-shaped lever, the rotating scroll spring, the scroll spring
  • the S-type lever also has a reset function; because the rotation of the S-type lever causes the first spring to rotate, and the rotation of the first spring destroys the compression performance of the first spring, a rotating mechanism is designed to eliminate the S-type lever rotational motion. The effect on the first spring; the same S-type lever movement will drive the scroll spring to move, so the designed inner fixed block can move laterally with the scroll spring, but does not affect the compression of the scroll spring.
  • the rotation of the S-shaped lever and the movement of the first spring in the rotational direction are blocked by the sliding of the first annular sleeve and the second inner ring in the rotating mechanism.
  • the S-type lever is designed to have an S-shaped lever because The distance between the pressure plate and the card plate pressed by the top shaft is small, but the amplitude of the up and down movement is large. In this case, it is impossible to install the linear lever transmission motion on the lower side of the both sides, which easily leads to the lever. With the pressure plate and the card plate falling off, the S-shaped lever is designed to prevent falling off and ensure smooth transmission.
  • the top shaft middle rotation sleeve in the middle of the top shaft is connected with the pressure plate, and the movement of the top shaft drives the pressure plate to move; when the top axial direction moves downward, the pressure plate is driven to move downward, and the pressure plate applies the concave surface to the S-shaped lever surface.
  • the S-shaped lever rotates around the sliding axis, and the S-shaped lever convex surface will jack up the card board, and the card board passes through the card channel upwards, and at the same time compresses the leaf spring, and the leaf spring is designed to reset the card board.
  • a certain force is transmitted to the trigger mechanism.
  • the pressure plate moves downward, and the side of the S-shaped lever contacts the trigger horizontal plate, and the trigger horizontal plate, the trigger vertical rod and the trigger block can be The slidably slides along the traverse guide groove; the lower side of the pressure plate contacts the trigger slant surface of the trigger block, and the trigger block slides up and down through the vertical movement vertical plate in the vertical movement guide groove.
  • the trigger block When the pressing plate moves downward, the trigger block generates driving in two directions. On the one hand, the trigger block moves toward the vertical moving rail, and on the other hand, moves downward, and the second spring and the third spring are both compressed and triggered.
  • the lateral movement of the block causes the contact surface of the trigger block and the pressure plate to gradually become the trigger plane, and then moves downward with the trigger block; when the track chain is ready to be separated from the corner of the housing, the trigger vertical rod is moved down to the card slot and The card block cooperates, and the card block is inserted into the card slot through the sliding of the third telescopic rod and the third telescopic sleeve, and the card block arc and the card slot bevel are designed to facilitate the card to enter the card.
  • the top shaft moves up, the pressure plate moves, and the S-shaped lever is reset by the scroll spring. At this time, the trigger block cannot be stuck because the card block is stuck.
  • the first telescopic rod and the first telescopic sleeve, the second telescopic rod and the second telescopic sleeve are designed to increase the lateral stability when the spring is compressed.
  • the design of the top-shaft side swivel sleeves on both sides of the same top shaft, the same end shafts are staggered from each other, and the two anti-collision block lugs are designed to provide two swivel sleeve rotations by using one rotating shaft.
  • the top shaft drives the side baffle to rotate, and the side baffle moves to the lower side of the sharp side, and no interference occurs between the side baffles.
  • the invention uses the driving wheel for shielding the sharp corners, can prevent the general weeds or the entangled objects from being wound around the sharp corners on the driving wheel, causes the failure of the track wheel, improves the passability of the track wheel, and has better practical effect. .
  • Figure 1 is a schematic view of the overall component distribution.
  • FIG. 2 is a schematic view of a related shielding structure such as a retaining sleeve.
  • Figure 3 is a schematic view of the structure of the housing.
  • Figure 4 is a schematic view showing the structure of the adjustment mechanism.
  • Figure 5 is a side view of the adjustment mechanism.
  • Figure 6 is a schematic view showing the structure of the trigger mechanism.
  • Figure 7 is a schematic diagram of the structure of a trigger block.
  • Figure 8 is a schematic view showing the structure of the traverse guide groove.
  • Figure 9 is a schematic view of the structure of the card block.
  • Figure 10 is a schematic view of the structure of the card.
  • Figure 11 is a schematic view showing the installation of the S-type lever and the rotating mechanism.
  • Figure 12 is a schematic view of the S-type lever structure.
  • Figure 13 is a schematic view of the installation of the annular sleeve.
  • Figure 14 is a schematic view showing the installation of a scroll spring.
  • Figure 15 is a schematic view showing the relationship between the position of the card lever and the S-shaped lever.
  • Figure 16 is a schematic view showing the interaction between the pressure plate and the card.
  • Figure 17 is a schematic view showing the installation of the retaining sleeve and the inner panel.
  • Figure 18 is a schematic view of the structure of the retaining sleeve.
  • Figure 19 is a schematic view showing the structure of the inner panel.
  • Figure 20 is a schematic view showing the installation of the pressure plate.
  • Figure 21 is a schematic view of the action of the track chain and the sharp corners.
  • FIG. 1 it includes a side plate, a casing, a retaining sleeve, an adjusting mechanism, a card passage, a side baffle, a top shaft, a top shaft side swivel sleeve, a top shaft intermediate sleeve, an anti-collision block, and a caster.
  • the end of the baffle is provided with a groove inner groove, as shown in FIG. 2, the top shaft side swivel sleeve is mounted on the side of the end of the baffle without the opening, as shown in FIG.
  • the two sides of one end of the inner plate are respectively equipped with anti-collision block lugs through the anti-collision block.
  • the inner block is installed in the inner groove of the retaining sleeve of the retaining sleeve; as shown in FIG.
  • An end plate is attached to the adjacent corners through the end shaft and the anti-collision block lug, and the top shaft side swivel nested on the corresponding inner plate of the corresponding inner block is connected through the top shaft, and the top shaft of the two retaining sleeves
  • the side rotation sleeve is distributed on both sides of the top shaft, and the top shaft middle rotation sleeve is installed in the middle of the top shaft, and one side baffle is installed at both ends of the top shaft; the adjustment mechanism is installed between the two side plates and two adjacent sharp corners are
  • Each has an adjustment mechanism; as shown in FIG.
  • the crawler belt matched with the housing is connected by a plurality of crawler chains through a rotating shaft, and the lower side of the crawler chain has a chain slope and does not penetrate to the upper side of the crawler chain, the crawler chain
  • the side of the inclined side of the chain has a chain top, and the lower ends of the track chain have a top surface of the chain.
  • the adjusting mechanism includes a fixing post, a first spring, a scroll spring, a card board, a rotating mechanism, an S-shaped lever, a pressure plate, a trigger mechanism, a leaf spring, a leaf spring support, and a card lever.
  • external fixing block external fixing block, sliding shaft, notch, inner fixing block, pressing plate rod, wherein as shown in Figures 11 and 12, the fixing column is mounted on one side of the side plate, and one end of the sliding shaft is mounted on the fixed column, S type The lever slides on the sliding shaft through the shaft hole, and the rotating mechanism is installed at the shaft hole of the S-shaped lever; as shown in FIG.
  • the first spring is nested on the sliding shaft and one end is connected with the fixing column, and the other end is connected with the rotating mechanism;
  • the scroll spring is nested outside the first spring, and the outer end of the scroll spring is mounted on the side of the S-shaped lever through the outer fixing block, and the inner end of the scroll spring is mounted on the fixed column through the inner fixing block;
  • the top end of the pressure plate is connected with the top shaft intermediate sleeve, and the bottom end of the pressure plate is mounted with a pressure plate, and the bottom end of the pressure plate is provided with a pressure plate rod, as shown in FIG.
  • the pressure plate passes through the pressure passage; as shown in Figures 1 and 10, the card passes through the card passage, and the lower end of the card
  • the card board is equipped with a leaf spring support at the lower end of the card board; one end of the leaf spring is mounted on the side of the card passage hole on the inner side of the casing, and the other end is mounted on the leaf spring support; as shown in FIG. 4, the pressure plate is provided.
  • the rod is in contact with the concave surface of the S-shaped lever, and the clamping plate is in contact with the convex surface of the S-shaped lever; as shown in FIG. 12, the S-shaped lever has a notch on one side of the clamping plate and away from the fixing post, and the trigger mechanism is installed. On the side panel on the other side.
  • the trigger mechanism includes a trigger block, a card slot, a vertical vertical plate, a vertical movement track, a trigger vertical bar, a card block, Vertically moving horizontal plate, transverse moving guide groove, triggering horizontal plate, second spring, first telescopic rod, first telescopic sleeve, vertical moving guide groove, card arc, bottom end plate, card slot, traverse guide block a second telescopic rod, a second telescopic sleeve, a third spring, a fourth spring, a third telescopic rod, and a third telescopic sleeve, wherein as shown in FIG.
  • the vertical movement rail is mounted on the side panel, and the bottom end plate is mounted on the Vertically shifting the lower end of the track, the vertical moving track has a trapezoidal vertical moving guide groove; as shown in Figures 6 and 8, the vertical moving vertical plate is installed with a vertical moving horizontal plate at the lower end, and the vertical moving vertical plate has a vertical moving guiding block on one side, and the vertical moving The vertical plate is mounted on the vertical movement track by the cooperation of the vertical movement guide block and the vertical movement guide groove, and the vertical movement horizontal plate has a horizontal movement guide groove; as shown in FIGS. 6 and 7, the trigger block is mounted on the trigger vertical rod, and the trigger is triggered. The vertical rod is mounted on the trigger cross plate, and the lower side of the trigger cross plate has a horizontally moving guide block.
  • the trigger horizontal plate is mounted on the vertical horizontal plate by the cooperation of the horizontal moving guide block and the horizontal moving guide groove, and the triggering inclined surface is arranged on the upper side of the trigger block.
  • the trigger plane, the card slot is installed on the side of the trigger vertical rod, and the card slot has a card slot in the middle; as shown in FIG.
  • the second telescopic sleeve is installed in the vertical direction
  • the second telescopic rod is mounted in the second telescopic sleeve, and the rear side of the triggering vertical rod is connected with one end of the second telescopic rod;
  • the third spring is nested on the outer side of the second telescopic rod and the second telescopic sleeve, and the third spring end Connected to the vertical vertical plate, the other end is connected to the rear side of the triggering vertical rod; as shown in Figure 6, the first telescopic sleeve is mounted on the bottom end plate, the first telescopic rod is installed in the first telescopic sleeve, and the vertical horizontal plate is vertically moved.
  • the lower side is connected to the top end of the first telescopic rod;
  • the second spring is nested on the outer side of the first telescopic rod and the first telescopic sleeve, and the second spring is connected to the bottom end plate at one end, and the other end is connected to the lower side of the vertical horizontal plate; As shown in FIG.
  • the third telescopic sleeve is mounted on the side plate, the third telescopic rod is installed in the third telescopic sleeve, the rear side of the block is connected to one end of the third telescopic rod, and the fourth spring is nested with the third telescopic rod and
  • the third telescopic sleeve is outside, and the fourth spring is connected to the side plate at one end, and the other end is connected to the rear side of the card block; the card slot is engaged with the card block.
  • the triggering horizontal plate is in contact with one side of the S-shaped lever, and one side of the bottom end of the pressing plate is in contact with the triggering inclined surface of the trigger block and the triggering plane.
  • the sharp corner of the casing cooperates with the inclined surface of the chain, and the card passes through the card passage and passes through the top of the chain, and the top surface of the chain cooperates with the retaining sleeve, the top shaft and the inner panel.
  • the rotating mechanism includes a first annular sleeve, a second annular sleeve, a third annular sleeve, a first inner ring, and a second inner ring, wherein the S-shaped lever shaft hole passes through
  • the first inner ring is mounted with a second inner ring; the first annular sleeve slides on the sliding shaft and the third annular sleeve is mounted through the second annular sleeve; the first inner ring and the second inner ring are mounted In a cavity composed of a first annular sleeve, a second annular sleeve and a third annular sleeve, the one side of the first annular sleeve is specifically in contact with the second inner ring side, and the second annular sleeve is The inner edge surface is in contact with the outer surface of the second inner ring, one side of the third annular ring is in contact with the other side of the second inner ring,
  • the two anti-collision block lugs mounted on the end shafts are mounted offset from each other.
  • the first spring, the second spring, and the third spring are both compression springs.
  • the lower side of the card slot has a card groove slope, and the block has a card arc.
  • the angle of the apex angle of the casing is any angle between 50 degrees and 65 degrees.
  • the crawler belts are connected by the track chain through the rotating shaft, and the corners of the casing are caught in the chain slope of the track chain to drive the track to rotate.
  • the principle is similar to the principle of the conventional track and the driving wheel; Covering with the adjacent sharp corners through the retaining sleeve, the inner panel and the side baffle to prevent the general weeds or wraps from being wound around the sharp corners on the driving wheel, causing the failure of the crawler wheel; improving the passage of the crawler wheel Sex.
  • the rotation of the drive wheel housing will drive the track movement through the sharp corner.
  • the top surface of the chain of the track chain exerts a downward force on the cover, the top shaft and the inner plate, and then the top axial direction Moving, at the same time driving the telescopic body composed of the baffle and the inner plate to rotate around the end shaft, and the top shaft drives the side baffle to swing downward, so that the sharp corner completely leaks out and protrudes into the chain bevel in the track chain; Acts with the chain bevel to drive the chain.
  • a structure such as a retaining sleeve is used, in which the inner panel can slide in the retaining sleeve, which belongs to the telescopic structure, and the distance between the top shaft and the end shaft in the lower axial movement.
  • this increase in distance is compensated by the extension of the inner panel from the retaining sleeve; the total length of the inner panel in the retaining sleeve is 1/2 of the total length of the retaining inner panel completely extending the retaining sleeve, and completely When the protrusion is extended, the top shaft should be at the bottom end of the groove between the sharp corner and the sharp corner.
  • the retaining sleeve and the inner panel are in contact with the sharp bevel, which requires that the distance between the adjacent sharp corners is larger than the sharp bevel.
  • the sharp corner angle in the present invention is much larger than that of the conventional driving wheel, which causes the casing to fall off when the crawler belt is driven, so that an adjustment mechanism is added to the design.
  • the adjusting mechanism uses the downward movement of the top shaft to obtain power, and relies on the power to push the card out from the card passage at the top end of the pointed corner, and the ejected card board cooperates with the chain top of the track chain to prevent the drive from falling off.
  • the S-shaped lever can rotate around the sliding shaft and can move along the axis of the sliding shaft, compressing the first spring during movement, the first spring has a reset function for the S-shaped lever, the rotating scroll spring, the scroll spring
  • the S-type lever also has a reset function; because the rotation of the S-type lever causes the first spring to rotate, and the rotation of the first spring destroys the compression performance of the first spring, a rotating mechanism is designed to eliminate the S-type lever rotational motion. The effect on the first spring; the same S-type lever movement will drive the scroll spring to move, so the designed inner fixed block can move laterally with the scroll spring, but does not affect the compression of the scroll spring. As shown in FIG.
  • the rotation of the first ring sleeve and the second inner ring is used to isolate the rotation of the S-type lever and the movement of the first spring in the rotational direction.
  • the S-type lever is designed to have an S-shaped lever because the distance between the pressure plate and the card plate pressed by the top shaft is small, but the amplitude of the up-and-down motion is large. In this case, a straight line is installed on the lower side of the both sides. It is impossible to transmit the lever, which is easy to cause the lever and the pressure plate and the card to fall off. Therefore, the S-type lever is designed to prevent falling off and ensure smooth transmission.
  • the top shaft middle rotation sleeve in the middle of the top shaft is connected with the pressure plate, and the movement of the top shaft drives the pressure plate to move; as shown in a in FIG. 5 and FIG. 2, when the top axial direction moves downward, the pressure plate is driven downward. Movement, the pressure plate applies a downward force to the concave surface of the S-shaped lever, and the S-shaped lever rotates around the sliding shaft. As shown in FIG. 16, the S-shaped lever convex surface will jack up the card, and the card plate passes through the card passage upwards. At the same time, the leaf spring is compressed, and the leaf spring is designed to reset the card.
  • the S-type lever rotation movement a certain force is transmitted to the trigger mechanism, and at the beginning of the rotation,
  • the pressing plate moves downward, the side of the S-shaped lever is in contact with the triggering horizontal plate, and the triggering horizontal plate, the triggering vertical rod and the triggering block can slide laterally along the lateral guiding groove; the lower side of the pressing plate contacts the triggering inclined surface of the trigger block, and the trigger block
  • the vertical movement is performed by sliding the vertical plate in the vertical movement guide groove.
  • the trigger block When the pressing plate moves downward, the trigger block generates driving in two directions. On the one hand, the trigger block moves toward the vertical moving rail, and on the other hand, moves downward, and the second spring and the third spring are both compressed and triggered.
  • the lateral movement of the block causes the contact surface of the trigger block and the pressure plate to gradually become the trigger plane, and then moves downward with the trigger block; when the track chain is ready to be separated from the corner of the housing, the trigger vertical rod is moved down to the card slot and The card block cooperates, and the card block is inserted into the card slot through the sliding of the third telescopic rod and the third telescopic sleeve, and the card block arc and the card slot bevel are designed to facilitate the card to enter the card.
  • the notch as shown by b in Fig. 5, when the track chain starts to break away from the corner of the casing, the top shaft moves up, the pressure plate moves, and the S-shaped lever is reset by the scroll spring.
  • the card block catches the card slot and cannot move up and down, but the trigger block moves in the direction of the S-shaped lever under the action of the third spring, and the S-shaped lever slides along the sliding axis in the direction of the fixed column by triggering the horizontal plate, as shown in FIG. 15
  • the sliding of the S-shaped lever makes the card
  • the lower side of the card lever is separated from the S-shaped lever and enters the gap of the S-shaped lever.
  • the card loses the role of the S-shaped lever top, and moves downwards in time to prevent the top end of the card and the chain top. Without disengagement, the track chain is disengaged from the sharp corner; the lateral movement of the triggering horizontal plate causes the block to gradually come off the card slot.
  • the first telescopic rod and the first telescopic sleeve, the second telescopic rod and the second telescopic sleeve are designed to increase the lateral stability when the spring is compressed.
  • the design of the top-shaft side swivel sleeves on both sides of the same top shaft, the same end shafts are staggered from each other, and the two anti-collision block lugs are designed to provide two swivel sleeve rotations by using one rotating shaft.
  • the top shaft drives the side baffle to rotate, and the side baffle moves to the lower side of the sharp side, and no interference occurs between the side baffles.
  • the invention uses the driving wheel for shielding the sharp corners, can prevent the general weeds or the entangled objects from being wound around the sharp corners on the driving wheel, causing the failure of the track wheel, improving the passability of the track wheel, and having better practical effects. .

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
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Abstract

Une roue d'entraînement à chenilles anti-vent avec un mécanisme de déclenchement, comprenant une plaque latérale (1), une coque (2), un manchon de retenue (4), un mécanisme de réglage (5), un canal de serrage (6), un déflecteur latéral (7), un arbre supérieur (8), un manchon rotatif côté arbre supérieur (9), un manchon rotatif intermédiaire d'arbre supérieur (10), un bloc anti-collision (11), un canal de pression (12), un arbre d'extrémité (13), un ergot d'extrémité (14), une patte de bloc anti-collision (61), une rainure interne de manchon de retenue (62), un déflecteur interne (63), des chaînes de chenille (65), des plans inclinés de chaîne (66), et des ouvertures supérieures de chaîne (67), les chaînes de chenille étant reliées au moyen des arbres rotatifs pour former une courroie de chenille, des coins aigus de la coque étant serrés dans les plans inclinés de chaîne des chaînes de chenille pour entraîner la courroie de chenille en rotation ; le manchon de retenue, le déflecteur interne et les espaces de couvercle de déflecteur latéral parmi les coins aigus de la coque et des coins aigus adjacents, et le phénomène selon lequel la roue à chenilles perd de son efficacité du fait que des mauvaises herbes ou des enchevêtrements sont enroulés autour des coins aigus des roues d'entraînement peut généralement être évité ; la passibilité de la roue à chenilles est améliorée.
PCT/CN2017/095011 2017-02-09 2017-07-28 Roue d'entraînement à chenilles anti-vent avec mécanisme de déclenchement WO2018145420A1 (fr)

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