CN113668422B - Limiting device for preventing overload vehicle from overspeed and running backwards - Google Patents
Limiting device for preventing overload vehicle from overspeed and running backwards Download PDFInfo
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- CN113668422B CN113668422B CN202111145113.7A CN202111145113A CN113668422B CN 113668422 B CN113668422 B CN 113668422B CN 202111145113 A CN202111145113 A CN 202111145113A CN 113668422 B CN113668422 B CN 113668422B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 230000008093 supporting effect Effects 0.000 claims description 16
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000004880 explosion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003028 elevating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/12—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions for forcibly arresting or disabling vehicles, e.g. spiked mats
- E01F13/123—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions for forcibly arresting or disabling vehicles, e.g. spiked mats depressible or retractable below the traffic surface, e.g. one-way spike barriers, power-controlled prong barriers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/65—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection with rotatable, swingable or adjustable signs or signals
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/673—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a limiting device for preventing overspeed retrograde motion of an overloaded vehicle, which comprises a fixed support, a bearing support and a limiting platform which are integrally connected, wherein an intercepting assembly is arranged between the fixed support and the bearing support, and a warning assembly is arranged between the fixed support and the limiting platform. The invention arranges a fixed support and a bearing support with an integrated structure on a traffic road, utilizes the elastic support of a strong spring on the bearing support to lift a bearing plate and a driving rack, and arranges a transmission shaft driven by the driving rack to rotate in the fixed support; through connecting hollow structure's centrifugal carousel on the transmission shaft, through set up the telescopic link that is towed by reset spring activity in the cavity for the pressure boost plate moves down, the transmission shaft is rotatory under the condition too fast and extends, utilizes epitaxial pressure boost plate to support the elevating platform and rises, and further explosion-proof rivet runs through lift bearing plate through the direction through-hole, in order to carry out the broken child interception to speeding vehicle.
Description
Technical Field
The invention relates to the technical field of traffic road control, in particular to a limiting device for preventing an overloaded vehicle from speeding backwards.
Background
Due to economic development, the development level of traffic transportation under the existing conditions is continuously improved, particularly, the road infrastructure construction gradually tends to be rationalized, and the traffic transportation is generally realized by setting a one-way lane at present in order to ensure smooth and orderly progress of the traffic transportation road and reduce the accident occurrence rate of collision between vehicles.
Under the regulation, the driving direction is generally distinguished by planning ground marking lines and setting barrier hurdles, but in actual operation, part of vehicles still do not follow the traffic regulation and run reversely on a one-way lane, and no interception measure is equipped on a traffic road under the existing condition, so that the vehicles running reversely cannot be intercepted, so that the vehicles are easy to continuously collide with other vehicles running normally in the long-distance running process, the road smoothness is influenced, and the vehicle running and personal and property safety are seriously threatened.
Disclosure of Invention
The invention aims to solve the problem that traffic control is difficult to carry out on vehicles in the prior art, and provides a limiting device for preventing an overloaded vehicle from speeding backwards.
In order to achieve the purpose, the invention adopts the following technical scheme:
a limiting device for preventing overspeed and retrograde motion of an overloaded vehicle comprises a fixed support, a bearing support and a limiting platform which are integrally connected, wherein an interception assembly is arranged between the fixed support and the bearing support, and a warning assembly is arranged between the fixed support and the limiting platform;
the intercepting assembly comprises a strong supporting rod which is sleeved in a bearing support in a sliding mode, a lifting bearing plate and a driving rack are fixedly connected to the strong supporting rod respectively, a strong spring is fixedly sleeved on the strong supporting rod, a transmission shaft is rotatably installed in a fixed support, a driven gear meshed and connected with the driving rack is fixedly sleeved on the transmission shaft, a centrifugal turntable is fixedly connected to one end of the transmission shaft, four first cavities are formed in the centrifugal turntable at equal intervals, telescopic rods are sleeved in the four first cavities in a sliding mode, a reset spring and a pressure increasing plate are connected to the telescopic rods respectively, a guide groove with a vertical trend is formed in the front end of the bearing support, a lifting platform vertically corresponding to the pressure increasing plate is sleeved in the guide groove in a sliding mode, an explosion-proof rivet is fixedly connected to the upper end of the lifting platform, and a guide through hole corresponding to the explosion-proof rivet is formed in the lifting bearing plate;
the warning assembly is including offering the second cavity in fixing support, and fixed mounting has the calibrator in the second cavity, it is connected with the connector to rotate on the calibrator output, spacing platform lower extreme rotates and installs the ball with connector looks adaptation, and fixed cover is equipped with the first gear and the second gear that the meshing is connected respectively on the transmission shaft other end and the connector, movable mounting has the nut on the ball, set up the slot hole that is linked together respectively in the spacing platform and accomodate the hole, and slide the cover in the slot hole and be equipped with the connecting rod with nut bolted connection, an organic whole is connected with warning board on the connecting rod.
Preferably, the bearing support is horizontally connected to the middle end position of the inner side of the fixed support, the limiting platform is horizontally connected to the upper end position of the outer side of the fixed support, and the upper end face of the limiting platform is inclined.
Preferably, lift bearing plate and powerful branch upper end horizontal connection, and drive rack and the perpendicular connection of powerful branch lower extreme, powerful spring is located powerful branch upper end position, and the transmission shaft of level setting and the horizontal correspondence of drive rack.
Preferably, four first cavities are circumferentially distributed in the centrifugal turntable, the return spring is fixedly sleeved on one end of the telescopic rod located in the first cavity, and the pressurizing plate is connected with one end of the telescopic rod movably extending out of the first cavity.
Preferably, the lifting platform is movably abutted against the extended pressurizing plate, and the upward extending explosion-proof rivet penetrates through the guide through hole in a sliding manner.
Preferably, the second cavity is arranged at the outer side of the fixed support, and the calibrator horizontally corresponding to the ball screw is positioned between the limiting platform and the transmission shaft.
Preferably, the ball screw is detachably connected with the connector in an adsorption manner, the end, far away from the limiting platform, of the ball screw is vertically corresponding to the ball screw, and the top end opening of the long hole is inclined.
Preferably, the warning plate is horizontally connected with the upper end of the connecting rod extending out of the long hole, and the warning plate can be horizontally slidably accommodated in the accommodating hole.
Compared with the prior art, the invention has the following advantages:
1. the invention arranges a fixed support and a bearing support which are integrated on a traffic road, a lifting bearing plate and a driving rack are elastically supported by a strong spring on the bearing support, a transmission shaft which is driven to rotate by the driving rack is arranged in the fixed support, and a ball screw arranged in a limiting platform is rotated by a first gear and a second gear which are meshed and connected, so that a warning plate is driven by a nut to be translated and extended out of the limiting platform, and an obvious mark is provided for a retrograde vehicle.
2. The centrifugal turntable is connected with the transmission shaft, four cavities are arranged in the turntable and are circumferentially and equidistantly distributed, the telescopic rod movably pulled by the return spring is arranged in each cavity, so that the pressurizing plate extends out under the condition that the driving rack moves downwards and the transmission shaft rotates too fast, the extending pressurizing plate is used for supporting the lifting platform to lift, and further the explosion-proof rivet penetrates through the lifting bearing plate through the guide through hole to forcibly intercept the reverse overspeed vehicle.
In summary, the fixed support and the bearing support which are of an integrated structure are placed on a traffic road, the bearing support is provided with the lifting bearing plate and the driving rack which are elastically supported by the powerful spring, the fixed support is provided with the transmission shaft which is driven to rotate by the driving rack, the ball screw arranged in the limiting platform is rotated by meshing transmission, and the nut drives the warning plate to translate and extend so as to provide warning effect for a vehicle; through connecting hollow structure's centrifugal carousel on the transmission shaft, set up four circumference equidistance distribution's cavity in the carousel, through set up the telescopic link that is towed by reset spring activity in the cavity for the pressure boost plate moves down, the transmission shaft rotates under the too fast condition and extends, utilizes epitaxial pressure boost plate to support the elevating platform and rises, and further explosion-proof rivet runs through the lift bearing plate through the direction through-hole to carry out the broken child interception to the speeding vehicle.
Drawings
Fig. 1 is a schematic structural diagram of a travel limiting device for preventing overspeed and retrograde movement of an overloaded vehicle according to the present invention;
fig. 2 is an enlarged schematic view of a part a of a travel limiting device for preventing overspeed and retrograde movement of an overloaded vehicle according to the present invention;
fig. 3 is a rear view of a travel limiting device for preventing overspeed retrograde movement of an overloaded vehicle according to the present invention;
fig. 4 is a top view of a travel limiting device for preventing overspeed retrograde motion of an overloaded vehicle according to the present invention;
fig. 5 is a sectional view of a transmission shaft structure of a travel limiting device for preventing overspeed retrograde motion of an overloaded vehicle according to the present invention.
In the figure: the device comprises a fixed support 1, a bearing support 2, a limiting platform 3, a strong supporting rod 4, a lifting bearing plate 5, a driving rack 6, a strong spring 7, a transmission shaft 8, a driven gear 9, a centrifugal rotating disc 10, a first cavity 11, a telescopic rod 12, a return spring 13, a pressure increasing plate 14, a guide groove 15, a lifting platform 16, an explosion-proof rivet 17, a guide through hole 18, a second cavity 19, a calibrator 20, a connector 21, a first gear 22, a second gear 23, a ball screw 24, a nut 25, a long hole 26, a receiving hole 27, a connecting rod 28 and a warning plate 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a limiting device for preventing overspeed retrograde motion of an overloaded vehicle comprises a fixed support 1, a bearing support 2 and a limiting platform 3 which are integrally connected, wherein an intercepting assembly is arranged between the fixed support 1 and the bearing support 2, and a warning assembly is arranged between the fixed support 1 and the limiting platform 3;
it should be noted that, a groove structure is fixedly formed in a road which needs to be controlled in a reverse driving manner, so that the fixed support 1 is fixedly mounted, and the lifting bearing plate 5 is located at a position on one side where a reverse driving vehicle arrives.
The intercepting assembly comprises a strong force support rod 4 which is sleeved in the bearing support 2 in a sliding manner, a lifting bearing plate 5 and a driving rack 6 are fixedly connected to the strong force support rod 4 respectively, a strong force spring 7 is fixedly sleeved on the strong force support rod 4, the lifting bearing plate 5, the fixed support 1 and the road ground are located at the same level position under the elastic supporting action of the strong force spring 7, a transmission shaft 8 is rotatably installed in the fixed support 1, a driven gear 9 which is meshed and connected with the driving rack 6 is fixedly sleeved on the transmission shaft 8, the driving rack 6 can stably move in the vertical direction under the driving action of the strong force support rod 4, the transmission shaft 8 is driven by the driven gear 9 which is meshed and connected with the driving rack to rotate at different speeds, a centrifugal turntable 10 is fixedly connected to one end of the transmission shaft 8, four first cavities 11 are formed in the centrifugal turntable 10, telescopic rods 12 are slidably sleeved in the four first cavities 11, return springs 13 and pressure plates 14 are connected to the telescopic rods 12 respectively, a guide groove 15 in the vertical direction is formed in the front end of the bearing support 2, an explosion-proof lifting platform 16 which corresponds to the explosion-proof pressure plate 14 is sleeved in a sliding manner in the guide groove 15, a fixing sleeve, the upper end of the lifting bearing platform 16 is fixedly connected with a rivet 17, and a through hole 17 which corresponds to the anti-explosion-proof pressure plate 17 is formed in the lifting bearing plate 17;
further, the transmission shaft 8 drives the centrifugal rotating disk 10 to rotate, and only when the centrifugal rotating disk 10 rotates fast enough, the traction effect of the return spring 13 on the telescopic rod 12 can be overcome, so that the telescopic rod 12 supports the pressure increasing plate 14 to extend out of the opening of the first cavity 11, and the lifting platform 16 is extruded and supported, and in this case, it can be determined that the speed of the vehicle passing through the lifting pressure bearing plate 5 is too fast.
The warning assembly comprises a second cavity 19 arranged in the fixed support 1, a calibrator 20 is fixedly arranged in the second cavity 19, it needs to be noted that the calibrator 20 pulls and rotates a ball screw 24, so that the ball screw 24 can drive a nut 25 to move in the rotating process, and a warning plate 29 is restored to an initial storage position, the output end of the calibrator 20 is rotatably connected with a connector 21, the lower end of the limiting platform 3 is rotatably provided with the ball screw 24 matched with the connector 21, the other end of the transmission shaft 8 and the connector 21 are respectively fixedly sleeved with a first gear 22 and a second gear 23 which are in meshing connection, the ball screw 24 is movably provided with the nut 25, the limiting platform 3 is respectively provided with a long hole 26 and a storage hole 27 which are communicated, a connecting rod 28 connected with the nut 25 through a bolt is slidably sleeved in the long hole 26, the connecting rod 28 is integrally connected with the warning plate 29, as can be seen with fig. 1 of the specification, the upper section of the limiting platform 3 is of a wedge-shaped structure, namely, the long hole 26 and the storage hole 27 are communicated to form a T-shaped structure, and the top end 26 is provided with a warning surface of the limiting platform 3, and the warning plate 29 is provided with the telescopic structure in the telescopic process.
Bearing support 2 horizontal connection is in the inboard middle-end position of fixing support 1, and 3 horizontal connection of spacing platform in the 1 outside upper end position of fixing support, and the slope of spacing platform 3 up end, warning board 29 can realize stretching out and drawing back at the removal in-process to play warning restriction effect to the vehicle that drives in the wrong direction.
The lifting bearing plate 5 is horizontally connected with the upper end of the strong supporting rod 4, the driving rack 6 is vertically connected with the lower end of the strong supporting rod 4, the strong spring 7 is located at the upper end of the strong supporting rod 4, the transmission shaft 8 horizontally arranged corresponds to the driving rack 6 horizontally, and the driving rack 6 drives the transmission shaft 8 to rotate through the driven gear 9 in the up-and-down moving process.
Four first cavities 11 are circumferentially distributed in the centrifugal turntable 10, the return spring 13 is fixedly sleeved on one end of the telescopic rod 12 located in the first cavity 11, the pressure increasing plate 14 is connected with one end of the telescopic rod 12 movably extending out of the first cavity 11, and the pressure increasing plate 14 extends outwards through the quick rotation of the centrifugal turntable 10 so as to extrude and lift the lifting platform 16, so that the lifting platform 16 supports the explosion-proof rivet 17 to vertically move upwards.
The lifting platform 16 is movably abutted against the extended pressurizing plate 14, the upward extending explosion-proof rivet 17 penetrates through the guide through hole 18 in a sliding mode, and the explosion-proof rivet 17 pierces a vehicle tire through the guide through hole 18 so as to force the vehicle to stop.
The second cavity 19 is opened at the outer side position of the fixed support 1, and the calibrator 20 horizontally corresponding to the ball screw 24 is positioned between the limiting platform 3 and the transmission shaft 8.
The warning plate 29 is horizontally connected with the upper end of the connecting rod 28 extending out of the long hole 26, and the warning plate 29 can be horizontally slidably received in the receiving hole 27.
The invention can be illustrated by the following operating modes:
when the vehicle runs in the reverse direction, the lifting bearing plate 5 is pressed heavily, the lifting bearing plate 5 compresses the strong support rod 4 and the strong spring 7, the strong spring 7 is compressed, the strong support rod 4 drives the driving rack 6 to move downwards vertically in the bearing support 2, and the driving rack 6 drives the transmission shaft 8 to rotate through the driven gear 9 which is meshed and connected with the driving rack 6 in the downward movement process;
the transmission shaft 8 drives the connector 21 to rotate through the first gear 22 and the second gear 23 which are connected in a meshed mode, the connector 21 drives the ball screw 24 connected with the connector to rotate, the ball screw 24 rotates to drive the nut 25 to move, the nut 25 drives the connecting rod 28 to synchronously move in the long hole 26, and the warning plate 29 is enabled to translate out of the accommodating hole 27 to play a warning role;
further, when the vehicle retreats, the calibrator 20 is turned on to rotate the ball screw 24, so that the warning plate 29 is translated into the receiving hole 27 to achieve receiving;
when the speed of the vehicle in the reverse direction is high and the warning effect of the warning plate 29 is not seen, the driving rack 6 is driven to move downwards quickly under the driving effect of the strong supporting rod 4, so that the transmission shaft 8 rotates quickly;
the transmission shaft 8 drives the centrifugal turntable 10 to rotate rapidly, the degree of overcoming the tensile force effect of the return spring 13 is achieved, the telescopic rod 12 movably extends out of the first cavity 11, the pressure increasing plate 14 extends outwards, the pressure increasing plate 14 extends to extrude and support the lifting platform 16, the lifting platform 16 vertically moves upwards in the guide groove 15, the explosion-proof rivets 17 synchronously move upwards along with the lifting platform 16 and extend to the position above the lifting bearing plate 5 through the guide through holes 18, vehicle tires are pierced, and tire breaking and blocking are achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. A limiting device for preventing overspeed and retrograde motion of an overloaded vehicle comprises a fixed support (1), a bearing support (2) and a limiting platform (3) which are integrally connected, and is characterized in that an intercepting assembly is arranged between the fixed support (1) and the bearing support (2), and a warning assembly is arranged between the fixed support (1) and the limiting platform (3);
the intercepting assembly comprises a strong supporting rod (4) which is sleeved in a bearing support (2) in a sliding mode, a lifting bearing plate (5) and a driving rack (6) are fixedly connected to the strong supporting rod (4) respectively, a strong spring (7) is fixedly sleeved on the strong supporting rod (4), a transmission shaft (8) is rotatably installed in a fixed support (1), a driven gear (9) which is connected with the driving rack (6) in a meshed mode is fixedly sleeved on the transmission shaft (8), a centrifugal turntable (10) is fixedly connected to one end of the transmission shaft (8), four first cavities (11) are equidistantly formed in the centrifugal turntable (10), four telescopic rods (12) are slidably sleeved in the first cavities (11), a reset spring (13) and a pressurizing plate (14) are connected to the telescopic rods (12) respectively, a guide groove (15) with a vertical trend is formed in the front end of the bearing support (2), a lifting table (16) which corresponds to the pressurizing plate (14) up and down is slidably sleeved in the guide groove (15), an anti-explosion rivet (17) is fixedly connected to the upper end of the lifting bearing support (2), and a through hole (18) corresponding to the lifting bearing plate (5) is formed in the guide groove (15);
warning assembly is including offering second cavity (19) in fixing support (1), and fixed mounting has calibrator (20) in second cavity (19), it is connected with connector (21) to rotate on calibrator (20) output, spacing platform (3) lower extreme rotates and installs ball (24) with connector (21) looks adaptation, and fixes respectively on transmission shaft (8) other end and connector (21) and be equipped with first gear (22) and second gear (23) that the meshing is connected, movable mounting has nut (25) on ball (24), slot hole (26) and accomodate hole (27) that are linked together are seted up respectively in spacing platform (3), and slide the cover in slot hole (26) and be equipped with connecting rod (28) with nut (25) bolted connection, an organic whole is connected with warning board (29) on connecting rod (28).
2. The device for limiting the overspeed and the reverse running of an overloaded vehicle according to claim 1, wherein the load-bearing bracket (2) is horizontally connected to the middle position on the inner side of the fixed support (1), the limiting platform (3) is horizontally connected to the upper position on the outer side of the fixed support (1), and the upper end surface of the limiting platform (3) is inclined.
3. The limiting device for preventing the overspeed and the reverse running of an overloaded vehicle according to claim 1, wherein the lifting bearing plate (5) is horizontally connected with the upper end of the strong supporting rod (4), the driving rack (6) is vertically connected with the lower end of the strong supporting rod (4), the strong spring (7) is positioned at the upper end of the strong supporting rod (4), and the horizontally arranged transmission shaft (8) horizontally corresponds to the driving rack (6).
4. The limiting device for preventing the overspeed and the reverse running of an overloaded vehicle according to claim 1, wherein four first cavities (11) are circumferentially distributed in the centrifugal turntable (10), the return spring (13) is fixedly sleeved on one end of the telescopic rod (12) positioned in the first cavity (11), and the pressure increasing plate (14) is connected with one end of the telescopic rod (12) movably extending out of the first cavity (11).
5. A device according to claim 4, characterized in that the lifting platform (16) is movably abutted against the extended booster plate (14), and the upwardly extending explosion-proof rivet (17) is slidably inserted through the guide through hole (18).
6. A device for limiting the excessive speed and the reverse travel of an overloaded vehicle according to claim 3, wherein the second cavity (19) opens at a position outside the fixed support (1), and the calibrator (20) horizontally corresponding to the ball screw (24) is located between the limiting platform (3) and the transmission shaft (8).
7. The limiting device for preventing the overspeed and the reverse running of the overloaded vehicle according to claim 6, wherein the end of the ball screw (24) far away from the limiting platform (3) is detachably attached to the connector (21), the long hole (26) is vertically corresponding to the ball screw (24), and the top opening of the long hole (26) is inclined.
8. The device as claimed in claim 7, wherein the warning plate (29) is horizontally connected to the upper end of the connecting rod (28) extending out of the elongated hole (26), and the warning plate (29) is horizontally slidably received in the receiving hole (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145113.7A CN113668422B (en) | 2021-09-28 | 2021-09-28 | Limiting device for preventing overload vehicle from overspeed and running backwards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145113.7A CN113668422B (en) | 2021-09-28 | 2021-09-28 | Limiting device for preventing overload vehicle from overspeed and running backwards |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113668422A CN113668422A (en) | 2021-11-19 |
| CN113668422B true CN113668422B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111145113.7A Active CN113668422B (en) | 2021-09-28 | 2021-09-28 | Limiting device for preventing overload vehicle from overspeed and running backwards |
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| US8132980B1 (en) * | 2009-12-16 | 2012-03-13 | Lee Justin D | Spike strip system and method for deploying said system from a vehicle |
| KR20160090052A (en) * | 2015-01-21 | 2016-07-29 | 하종식 | tires-killer type barricade |
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| CN113668422A (en) | 2021-11-19 |
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