CN214570523U - Positioning telescopic base - Google Patents
Positioning telescopic base Download PDFInfo
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- CN214570523U CN214570523U CN202120574653.6U CN202120574653U CN214570523U CN 214570523 U CN214570523 U CN 214570523U CN 202120574653 U CN202120574653 U CN 202120574653U CN 214570523 U CN214570523 U CN 214570523U
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- 238000003491 array Methods 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 abstract description 11
- 230000005484 gravity Effects 0.000 abstract 1
- 230000009975 flexible effect Effects 0.000 description 8
- 230000009194 climbing Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a positioning telescopic base, which comprises two groups of first scissor units, a second scissor unit and a plurality of third scissor units, wherein the bottoms of the two groups of first scissor units are provided with a fixed frame, the top of the two groups of second scissor units is provided with a mounting seat, the first scissor units, the second scissor units and the third scissor units respectively comprise first scissor arms and second scissor arms which are arranged in a crossed way and the center of which is positioned in the first scissor arms, the fixed frame is provided with a first guide plate and two first guide frames, the center shaft of the first scissor units is in sliding fit with a first guide hole, the mounting seat is provided with two second guide frames, the hinged position between the scissor units is reliable in connection and the supporting strength is improved, when the positioning telescopic action is carried out by hydraulic drive, the position of the center shaft in the horizontal direction is kept unchanged by vertical guide, the first scissor arms and the second scissor arms are in sliding fit with the second guide holes by guide shafts, the stability of the supporting gravity center of the ascending platform and the loading platform is ensured, and the safety and the load strength are improved.
Description
Technical Field
The utility model relates to a flexible base in location belongs to the operation platform base technical field of ascending a height.
Background
The ascending operation platform comprises shear forks, a trailer type, crank arms, straight arms, telescopic cylinder types, spider types and other related products, is suitable for movable aerial operations such as installation and maintenance of aerial equipment in various industries, wherein the shear fork type ascending operation platform lifting platform has higher stability after being lifted, a wide operation platform and higher bearing capacity, so that the aerial operation range is larger, and the ascending operation platform is suitable for the characteristic of simultaneous operation of multiple persons and is widely applied to modern high buildings, loading vehicles and equipment.
The flexible base in location of cutting fork formula operation platform of ascending a height generally adopts hydraulic drive's cutting fork mechanical structure, it comprises a plurality of cutting fork units including crisscross cutting fork arm to cut fork mechanical structure, the cutting fork arm tip of adjacent cutting fork unit is articulated, but the articulated stability of adjacent side connection is not enough, one of them cutting fork arm tip of bottom and the cutting fork unit of top is articulated simultaneously, another cutting fork arm receives hydraulic drive when the vertical flexible action of reciprocating sliding adaptation in the horizontal direction, cut fork unit center and base focus and move on the horizontal direction, the focus and the support load stability of ascending a height operation platform on the influence base or with base fixed connection's loading equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide a flexible base in location, each is cut articulated position between the fork unit and is connected reliably, improve support intensity to when the hydraulic drive location is flexible, keep the position of center pin on the horizontal direction unchangeable through vertical direction, guarantee to the support focus of platform and the loading platform of ascending a height stable, improve security and load strength.
The utility model discloses a realize through following technical scheme:
a positioning telescopic base comprises two groups of first scissor units, two groups of second scissor units and a plurality of third scissor units positioned between the first scissor units and the second scissor units, wherein fixing frames are arranged at the bottoms of the two groups of first scissor units, and mounting seats are arranged at the tops of the two groups of second scissor units;
the center of the first scissor arm is provided with a through hole, the second scissor arm is in an H-shaped structure, the center of the second scissor arm is positioned in the through hole, concave surfaces positioned at two ends of the through hole are arranged at two sides of the first scissor arm, and the end part of the second scissor arm is positioned at two sides of the concave surfaces;
the two sides of the top of the fixing frame are provided with a first guide plate, two first guide frames which are perpendicular to the first guide plate and are positioned on the two sides of the first guide plate, the first guide plate is provided with a vertical first guide hole, a central shaft of the first scissor unit is in sliding fit with the first guide hole, two second guide frames are arranged on the two sides of the bottom of the mounting seat, and the end parts of the first scissor unit and the second scissor unit are respectively in sliding fit with the first guide frames and the second guide frames;
the second guide frame and the first guide frame are respectively provided with a second guide hole perpendicular to the first guide hole, the end parts of the first scissor arm and the second scissor arm of the first scissor unit are arranged in the first guide frame, the end parts of the first scissor arm and the second scissor arm of the second scissor unit are arranged in the second guide frame, and the end parts of the first scissor arm and the second scissor arm are provided with guide shafts which are perpendicular and are in sliding fit with the second guide holes;
the end parts of the adjacent first scissor arm and the second scissor arm are provided with vertical hinged shafts, at least one of the two sets of the third scissor units corresponds to a supporting shaft arranged between the third scissor units, the hinged shafts of the adjacent third scissor units of the supporting shaft are provided with at least one hinged hydraulic cylinder, and the end parts of the hydraulic rods of the hydraulic cylinders are hinged to the supporting shafts.
The utility model has the advantages that:
(1) the fixed frame and the mounting seat are respectively connected with the load platform and the climbing operation platform, the center of the second scissor arm is arranged in the through hole of the first scissor arm and is H-shaped, so that the second scissor arm is conveniently and compactly hinged with the first scissor arm, the hinged position between each scissor unit is reliably connected, the supporting strength is improved, the distance between the supporting shaft and the hinged shaft of the adjacent third scissor unit is changed by the extension and contraction of the hydraulic rod of the hydraulic cylinder, the first scissor arm and the second scissor arm of each scissor unit correspondingly deflect around the central shaft, and the adjacent first scissor arm and the adjacent second scissor arm correspondingly deflect around the hinged shaft to realize the integral positioning and extension of the base and the lifting of the climbing operation platform;
(2) when the location is flexible, the center pin of first scissors fork unit keeps the meso position along the directional slip of the first guiding hole of first deflector, first scissors fork arm and second scissors fork arm are through setting up in first leading truck or second leading truck, with guiding axle and second guiding hole sliding fit, support along the corresponding removal of horizontal direction, reduce frictional resistance, it is unchangeable to keep the position of center pin on the horizontal direction, thereby guarantee to ascend a height the platform and load platform's support focus is stable, security and load strength are improved.
Drawings
Fig. 1 is a top perspective view of the present invention.
Fig. 2 is a bottom perspective view of the present invention.
Fig. 3 is a front view structure diagram of the present invention.
Fig. 4 is a left side view structure diagram of the present invention.
The labels in the figure are: the scissors device comprises a first scissors unit 1, a second scissors unit 2, a third scissors unit 3, a mounting seat 4, a first scissors arm 5, a second scissors arm 6, a central shaft 7, a through hole 8, a concave surface 9, a first guide plate 10, a first guide frame 11, a first guide hole 12, a second guide frame 13, a second guide hole 14, a guide shaft 15, a second guide plate 16, a hinge shaft 17, a support shaft 18, a hydraulic cylinder 19, a hydraulic rod 20, a fixing hole array 21, a mounting hole array 22, a fixing frame 23 and a third guide hole 24.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
A positioning telescopic base comprises two groups of first scissor units 1, two groups of second scissor units 2, and a plurality of third scissor units 3 positioned between the first scissor units 1 and the second scissor units 2, wherein the bottoms of the two groups of first scissor units 1 are provided with fixing frames 23, the tops of the two groups of second scissor units 2 are provided with mounting seats 4, the first scissor units 1, the second scissor units 2 and the third scissor units 3 respectively comprise first scissor arms 5 and second scissor arms 6, the centers of the first scissor arms 5 and the second scissor arms 6 are positioned in the first scissor arms 5 in a crossed manner, and central shafts 7 are arranged at the crossed positions of the first scissor arms 5 and the second scissor arms 6;
a through hole 8 is formed in the center of the first scissor arm 5, the second scissor arm 6 is in an H-shaped structure, the center of the second scissor arm is located inside the through hole 8, concave surfaces 9 located at two ends of the through hole 8 are arranged on two sides of the first scissor arm 5, and the end portion of the second scissor arm 6 is located on two sides of the concave surfaces 9;
the two sides of the top of the fixing frame 23 are provided with a first guide plate 10, two first guide frames 11 which are perpendicular to the first guide plate 10 and are positioned on the two sides of the first guide plate 10, the first guide plate 10 is provided with a vertical first guide hole 12, a central shaft 7 of the first scissors unit 1 is in sliding fit with the first guide hole 12, two second guide frames 13 are arranged on the two sides of the bottom of the mounting seat 4, and the end parts of the first scissors unit 1 and the second scissors unit 2 are respectively in sliding fit with the first guide frames 11 and the second guide frames 13;
the second guide frame 13 and the first guide frame 11 are respectively provided with a second guide hole 14 perpendicular to the first guide hole 12, the end parts of the first scissor arm 5 and the second scissor arm 6 of the first scissor unit 1 are arranged in the first guide frame 11, the end parts of the first scissor arm 5 and the second scissor arm 6 of the second scissor unit 2 are arranged in the second guide frame 13, and the end parts of the first scissor arm 5 and the second scissor arm 6 are provided with a guide shaft 15 which is perpendicular and is in sliding fit with the second guide hole 14;
adjacent first scissors yoke 5 and second scissors yoke 6 tip are equipped with vertically articulated shaft 17, and at least one corresponds in two sets of a plurality of third scissors unit 3 and is equipped with back shaft 18 between the third scissors unit 3, is equipped with at least one articulated pneumatic cylinder 19 on the articulated shaft 17 of back shaft 18 adjacent third scissors unit 3, 20 tip of hydraulic stem and the back shaft 18 of pneumatic cylinder 19 are articulated, mount 23 both sides are equipped with fixed orifices array 21, mount pad 4 top is equipped with mounting hole array 22.
The utility model discloses a theory of operation does:
referring to the attached drawings, a fixed frame 23 at the bottom of a positioning telescopic base is connected with a loading vehicle or a fixed platform through a fixed hole array 21, the top of a mounting seat 4 is connected and fixed with an ascending operation platform through a mounting hole array 22, and a hydraulic cylinder 19 is connected and controlled with a hydraulic system;
because the center of the first scissor arm 5 is provided with the through hole 8, and the two sides of the first scissor arm are provided with the concave surfaces 9 positioned at the two ends of the through hole 8, the center of the second scissor arm 6 is conveniently arranged inside the first scissor arm 5, the two ends of the H shape are positioned at the two sides of the concave surfaces 9, and the hinge shafts 17 are used for connecting the adjacent and corresponding first scissor unit 1, the second scissor unit 2 and the third scissor unit 3, so that the integral structure is compact, the connection of the hinge positions among the scissor units is reliable, and the support strength is improved;
when a hydraulic rod 20 of the hydraulic cylinder 19 extends, the distance between the supporting shaft 18 and the hinge shaft 17 of the adjacent third scissors unit 3 is increased through the hinge action, so that the first scissors arm 5 and the second scissors arm 6 of the first scissors unit 1, the second scissors unit 2 and the third scissors unit 3 deflect around the central shaft 7 correspondingly, and the adjacent first scissors arm 5 and the adjacent second scissors arm 6 deflect around the hinge shaft 17 correspondingly;
the central shaft 7 of the first scissors unit 1 slides along the first guide hole 12 of the first guide plate 10 in a directional manner to keep the middle position, and the first scissors arm 5 and the second scissors arm 6 of the first scissors unit 1 are arranged in the first guide frame 11 and are in sliding fit with the second guide hole 14 through the guide shaft 15, and correspondingly move and support along the horizontal direction, so that the friction resistance is reduced;
similarly, the first scissor arm 5 and the second scissor arm 6 of the second scissor unit 2 are arranged in the second guide frame 13, are in sliding fit with the second guide hole 14 through the guide shaft 15, and correspondingly move and support along the horizontal direction, so that the vertical distance between the fixing frame 23 and the mounting seat 4 is increased, and the effect of lifting a climbing operation platform is achieved, and when the second guide plates 16 are arranged on the two sides of the mounting seat 4, the central shaft 7 of the second scissor unit 2 is in sliding fit with the third guide hole 24, so that the movement is more reliable and stable;
similarly, when hydraulic stem 20 of pneumatic cylinder 19 contracts, pulling back shaft 18 and articulated shaft 17, whole reverse movement makes the work platform of ascending a height descend, the flexible length of the holistic location of base is realized to the hydraulic stem 20 through control pneumatic cylinder 19, when flexible simultaneously, keep center pin 7 unchangeable in the ascending position of horizontal direction under first guiding hole 12 effect, guiding shaft 15 corresponds the slip in the second guiding hole 14 of corresponding perpendicular first guiding hole 12, thereby guarantee to ascend a height the support focus of platform and loading platform stable, security and load strength are improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A positioning telescopic base comprises two groups of first scissor units (1), two groups of second scissor units (2), and a plurality of third scissor units (3) positioned between the first scissor units (1) and the second scissor units (2), wherein the bottoms of the two groups of first scissor units (1) are provided with fixing frames (23), and the tops of the two groups of second scissor units (2) are provided with mounting seats (4), and the positioning telescopic base is characterized in that the first scissor units (1), the second scissor units (2) and the third scissor units (3) respectively comprise first scissor arms (5) and second scissor arms (6) with centers positioned inside the first scissor arms (5) in a crossed manner, and the crossed positions of the first scissor arms (5) and the second scissor arms (6) are provided with center shafts (7);
the two sides of the top of the fixing frame (23) are provided with a first guide plate (10) and two first guide frames (11) which are perpendicular to the first guide plate (10) and located on the two sides of the first guide plate (10), the first guide plate (10) is provided with a vertical first guide hole (12), a central shaft (7) of the first scissor unit (1) is in sliding fit with the first guide hole (12), two second guide frames (13) are arranged on the two sides of the bottom of the mounting seat (4), and the end parts of the first scissor unit (1) and the second scissor unit (2) are in sliding fit with the first guide frames (11) and the second guide frames (13) respectively;
adjacent first scissors yoke (5) and second scissors yoke (6) tip are equipped with vertically articulated shaft (17), and at least one corresponds in two sets of a plurality of third scissors unit (3) and is equipped with back shaft (18) between third scissors unit (3), is equipped with at least one articulated pneumatic cylinder (19) on back shaft (18) the articulated shaft (17) of adjacent third scissors unit (3), hydraulic stem (20) tip and back shaft (18) of pneumatic cylinder (19) are articulated.
2. A positioning telescopic base according to claim 1, wherein the first scissor arm (5) is centrally provided with a through hole (8), and the second scissor arm (6) is H-shaped and centrally located inside the through hole (8).
3. A positioning telescopic base according to claim 2, characterized in that the first scissor arm (5) is provided with concave surfaces (9) at both ends of the through hole (8) at both sides, and the second scissor arm (6) is provided with concave surfaces (9) at both sides.
4. A positioning telescopic base according to claim 1, wherein a second guide hole (14) perpendicular to the first guide hole (12) is formed in each of the second guide frame (13) and the first guide frame (11), the ends of the first scissor arm (5) and the second scissor arm (6) of the first scissor unit (1) are arranged in the first guide frame (11), the ends of the first scissor arm (5) and the second scissor arm (6) of the second scissor unit (2) are arranged in the second guide frame (13), and a guide shaft (15) perpendicular to and slidably engaged with the second guide hole (14) is formed in the ends of the first scissor arm (5) and the second scissor arm (6).
5. A positioning telescopic base according to claim 1, wherein a second guide plate (16) corresponding to the first guide plate (10) is arranged on each side of the mounting seat (4), a third guide hole (24) collinear with the first guide hole (12) is arranged on the second guide plate (16), and the central shaft (7) of the second scissor unit (2) is in sliding fit with the third guide hole (24).
6. A positioning telescopic base according to any one of claims 1-5, characterized in that the fixing frame (23) is provided with fixing hole arrays (21) on both sides, and the top of the mounting seat (4) is provided with a mounting hole array (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120574653.6U CN214570523U (en) | 2021-03-22 | 2021-03-22 | Positioning telescopic base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120574653.6U CN214570523U (en) | 2021-03-22 | 2021-03-22 | Positioning telescopic base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214570523U true CN214570523U (en) | 2021-11-02 |
Family
ID=78320939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120574653.6U Active CN214570523U (en) | 2021-03-22 | 2021-03-22 | Positioning telescopic base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214570523U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291767A (en) * | 2021-12-09 | 2022-04-08 | 苏州市普成机械有限公司 | Full-automatic stacker fork |
| CN115637949A (en) * | 2022-12-16 | 2023-01-24 | 廊坊景隆重工机械有限公司 | Sleeve type residual liquid collecting device |
| WO2024011845A1 (en) * | 2022-07-14 | 2024-01-18 | 湖南星邦智能装备股份有限公司 | Mounting seat structure of scissor lift telescopic cylinder, and scissor lift |
-
2021
- 2021-03-22 CN CN202120574653.6U patent/CN214570523U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291767A (en) * | 2021-12-09 | 2022-04-08 | 苏州市普成机械有限公司 | Full-automatic stacker fork |
| CN114291767B (en) * | 2021-12-09 | 2024-08-13 | 苏州市普成机械有限公司 | Full-automatic stacker fork |
| WO2024011845A1 (en) * | 2022-07-14 | 2024-01-18 | 湖南星邦智能装备股份有限公司 | Mounting seat structure of scissor lift telescopic cylinder, and scissor lift |
| CN115637949A (en) * | 2022-12-16 | 2023-01-24 | 廊坊景隆重工机械有限公司 | Sleeve type residual liquid collecting device |
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