CN211496868U

CN211496868U - Scissor-fork type lifting platform anti-sliding device

Info

Publication number: CN211496868U
Application number: CN201922433943.4U
Authority: CN
Inventors: 赵军; 刘玉洲; 赵遵芳
Original assignee: Jinan Juli Hydraulic Machinery Co ltd
Current assignee: Jinan Juli Hydraulic Machinery Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-15
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to the technical field of lifting devices, in particular to a scissor type lifting platform anti-sliding device which has higher stability, improves the safety and prevents the lifting platform from sliding down due to the failure of a hydraulic cylinder; including the slip main part, the locking main part, the elevating platform crossbeam, the pneumatic cylinder, Y type lock sleeve, the check lock lever, press the briquetting, first reset spring, the cardboard, limiting plate and slide rail, the slip main part is provided with two sets ofly, the inside of slip main part is provided with first cavity, the inside wall that locking main part one end was kept away from to first cavity is provided with the slide rail of vertical direction, be provided with the sliding plate in the first cavity, the sliding plate is close to slide rail one end and is provided with the draw runner, the dead lever is installed on the sliding plate top, the output of dead lever and pneumatic cylinder all with elevating platform crossbeam fixed connection, the slide rail one end is provided with the recess is kept away from to the sliding plate, the recess is provided with the locking mechanical system of.

Description

Scissor-fork type lifting platform anti-sliding device

Technical Field

The utility model relates to a lifting device's technical field especially relates to a cut fork lift platform and prevent device that glides.

Background

As is known, a scissor-type lifting platform is special equipment for high-altitude operation, which can be vertically lifted and has wide indoor and outdoor applications, and is widely applied to industrial enterprises such as automobiles, containers, mold manufacturing, wood processing and chemical filling and production lines, and a hydraulic cylinder is used for controlling the lifting platform to move up and down, so that the lifting platform effectively solves the difficulty of various lifting operations in the industrial enterprises, and the wide working platform and the large bearing capacity make the high-altitude operation range larger, and is widely used in the field of lifting devices; the existing scissor type lifting platform anti-sliding device comprises a base; when the existing scissor-fork type lifting platform anti-sliding device is used, a hydraulic station controls a hydraulic cylinder to act, so that a lifting platform beam connected with the output end of the hydraulic cylinder provides an upward acting force to lift the lifting platform; the existing anti-sliding device for the scissor-type lifting platform is found in use, the phenomenon that the hydraulic cylinder supported by the hydraulic cylinder fails to slide down is caused, the lifting platform is unstable, and certain danger exists.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a steadiness is higher, improves the security, prevents that the pneumatic cylinder trouble from leading to the device of preventing gliding of cutting fork lift platform of elevating platform gliding.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the locking device comprises a sliding main body, a locking main body, a lifting platform cross beam, a hydraulic cylinder, a Y-shaped locking sleeve, a locking rod, a pressing block, a first reset spring, a clamping plate, a limiting plate and slide rails, wherein the sliding main body is provided with two groups, the two groups of sliding main bodies are respectively arranged at the tops of the left end and the right end of the locking main body, a first cavity is arranged in the sliding main body, the inner side wall of the first cavity, which is far away from one end of the locking main body, is provided with the slide rails in the vertical direction, a sliding plate is arranged in the first cavity, one end of the sliding plate, which is close to the slide rails, is provided with a slide bar, the slide rails are in sliding connection with the slide bars, the top end of the sliding plate penetrates through the top end of the sliding main body to extend out of the, the locking mechanism comprises a base, a baffle, a second reset spring and a support plate, wherein the base and the baffle are both arranged on the inner wall of a groove, the base is connected with the support plate through a connecting shaft, the baffle is arranged above the support plate, the second reset spring is positioned below the support plate, one end of the second reset spring is connected with the inner wall of the groove, the other end of the second reset spring is arranged at the middle position of the bottom end of the support plate, a through hole is formed in the rear side of the top end of the locking main body, the hydraulic cylinder penetrates through the through hole and is fixed with the locking main body through a bolt, the locking main body is positioned at the top of the outer side wall of the hydraulic cylinder, a second cavity is arranged inside the locking main body, the bottom end of the Y-shaped locking sleeve horizontally penetrates through the front end of the locking main body, the top end of the, Limiting plate and cardboard all are provided with two sets ofly, and are two sets ofly install both ends about Y type lock sleeve respectively according to the one end of pressing the briquetting, and two sets ofly press the other end of briquetting to be connected with first reset spring's one end respectively, and two sets of first reset spring's the other end and two sets of limiting plate connection are two sets of the cardboard is close to Y type lock sleeve one end and all passes limiting plate and spring and press briquetting fixed connection, and two sets of corresponding second cavity inner walls of pressing the post all are provided with and press the hole that the relative one end size of post equals, press the post and be in stretch into first cavity and backup pad cross contact under the effect of check lock lever.

Preferably, the support plate is in a horizontal position under the action of no external force of the second return spring.

Preferably, when the Y-shaped locking sleeve is unlocked, the locking groove in the lower half area of the Y-shaped locking sleeve is in a closed state.

Preferably, the supporting plate and the baffle are both provided with rubber layers.

Preferably, the top end of the locking rod is provided with a circular ring.

(III) advantageous effects

Compared with the prior art, the utility model provides a cut fork lift platform and prevent gliding device possesses following beneficial effect: insert the locking inslot of Y type lock sleeve through the check lock lever, the cardboard that the press block of both ends is connected about Y type lock sleeve stretches into first cavity and backup pad cross contact, along with the rising of elevating platform, the sliding plate that the elevating platform crossbeam is connected rises, thereby the backup pad rises, the cardboard is motionless, when promoting a certain position, cardboard and backup pad bottom contact, thereby the backup pad leans on the baffle to block its rising, the one deck support has been added to the elevating platform, better solution the problem that the pneumatic cylinder trouble made the elevating platform gliding, make the elevating platform steadiness higher, the security has been improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic sectional structure view of the sliding body and the locking body of the present invention;

fig. 3 is a schematic structural view of the sliding plate of the present invention;

fig. 4 is a schematic structural view of the inside of the locking body of the present invention;

in the drawings, the reference numbers: 1. a locking body; 2. a hydraulic cylinder; 3. a sliding body; 4. a slide rail; 5. a sliding plate; 6. a slide bar; 7. fixing the rod; 8. a base; 9. a baffle plate; 10. a second return spring; 11. a support plate; 12. a lifting table cross beam; 13. a pressing block; 14. a first return spring; 15. a limiting plate; 16. clamping a plate; 17. a Y-shaped locking sleeve; 18. a locking lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a scissor lift platform anti-sliding device comprises a sliding body 3, a locking body 1, a lift platform beam 12, a hydraulic cylinder 2, a Y-shaped locking sleeve 17, a locking rod 18, a pressing block 13, a first reset spring 14, a clamping plate 16, a limiting plate 15 and a sliding rail 4, wherein the sliding body 3 is provided with two sets, the two sets of sliding bodies 3 are respectively installed on the top of the left and right ends of the locking body 1, a first cavity is arranged inside the sliding body 3, the inner side wall of one end of the first cavity, which is far away from the locking body 1, is provided with the sliding rail 4 in the vertical direction, a sliding plate 5 is arranged in the first cavity, one end of the sliding plate 5, which is close to the sliding rail 4, is provided with a sliding bar 6, the sliding rail 4 is in sliding connection with the sliding bar 6, the top end of the sliding plate 5 penetrates through the top end of, the output ends of the fixed rod 7 and the hydraulic cylinder 2 are fixedly connected with a lifting platform beam 12, one end of the sliding plate 5, which is far away from the sliding rail 4, is provided with a groove, the inner wall of the groove, which faces the locking main body 1, is provided with a plurality of groups of locking mechanisms in the vertical direction, each locking mechanism comprises a base 8, a baffle 9, a second reset spring 10 and a supporting plate 11, the base 8 and the baffle 9 are both arranged on the inner wall of the groove, the base 8 is connected with the supporting plate 11 through a connecting shaft, the baffle 9 is arranged above the supporting plate 11, the second reset spring 10 is positioned below the supporting plate 11, one end of the second reset spring 10 is connected with the inner wall of the groove, the other end of the second reset spring 10 is arranged in the middle position of the bottom end of the supporting plate 11, a through hole is arranged on the rear side of the top end, the bottom end of a Y-shaped locking sleeve 17 horizontally penetrates through the front end of a locking main body 1, the top end of the Y-shaped locking sleeve 17 and the front end of the locking main body 1 are positioned on the same plane, a locking groove is arranged in the Y-shaped locking sleeve, two groups of pressing blocks 13, first reset springs 14, limiting plates 15 and clamping plates 16 are arranged, one ends of the two groups of pressing blocks 13 are respectively arranged at the left end and the right end of the Y-shaped locking sleeve 17, the other ends of the two groups of pressing blocks 13 are respectively connected with one end of the first reset spring 14, the other ends of the two groups of first reset springs 14 are connected with the two groups of limiting plates 15, one ends of the two groups of clamping plates 16, which are close to the Y-shaped locking sleeve 17, penetrate through the limiting plates 15 and the springs and are fixedly connected with the pressing blocks 13, holes with the same size as the opposite ends of the pressing columns are arranged on the inner walls, along with the rising of elevating platform, the sliding plate that the elevating platform crossbeam is connected rises to the backup pad rises, and the cardboard is motionless, when promoting a certain position, cardboard and backup pad bottom contact, thereby the backup pad leans on the baffle to block and prevent it to rise, has added the one deck to the elevating platform and has supported, better solution the problem that the pneumatic cylinder trouble made the elevating platform gliding, make the elevating platform steadiness higher, improved the security.

The utility model discloses a cut fork lift platform and prevent gliding device, second reset spring 10 does not have exogenic action down, and backup pad 11 prevents that the backup pad activity from influencing the effect that blocks of cardboard to the backup pad at horizontal position.

The utility model discloses a cut fork lift platform and prevent gliding device, when Y type lock sleeve 17 did not lock, the locking groove of Y type lock sleeve 17 second region was the closure state, and Y type lock sleeve second region is regional elasticity, can be better control the locking main part through the locking lever.

The utility model discloses a cut fork lift platform and prevent device that glides, backup pad 11 and baffle 9 all are provided with the rubber layer, reduce the noise that backup pad and baffle cross friction produced.

The utility model discloses a cut fork lift platform and prevent device that glides, the 18 tops of check lock lever are provided with the ring, convenient operation.

When the lifting platform is used, the scissor-type lifting platform rises under the action of the hydraulic cylinder, a lifting platform beam connected with the output end of the hydraulic cylinder drives the sliding plate to move upwards through the fixed block, a sliding strip arranged at one end of the sliding plate slides in a sliding groove on the inner wall of a first cavity of the sliding mechanism, a plurality of groups of locking mechanisms are arranged in a groove at one end of the sliding plate close to the locking main body, along with the rising of the lifting platform, a locking rod is inserted into a Y-shaped locking sleeve along a locking groove in the locking main body, when the locking rod is completely inserted, the pressing blocks at the left end and the right end of the Y-shaped locking sleeve move, a clamping plate connected with the pressing blocks extends out of the locking main body to enter the first cavity, the clamping plate is in cross contact with the supporting plate, the clamping plate is fixed, the supporting plate can move downwards under the action of a second reset spring, when, prevent that the backup pad from shifting up, have better supporting role for lift platform, make it more firm, better solution the problem that pneumatic cylinder trouble made the elevating platform gliding, improved the security, when the elevating platform whereabouts, extract the check lock lever, through limiting plate and first reset spring's effect, make the cardboard reply inside the locking main part.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A scissor type lifting platform anti-gliding device is characterized by comprising a sliding main body (3), a locking main body (1), a lifting platform beam (12), a hydraulic cylinder (2), a Y-shaped locking sleeve (17), a locking rod (18), a pressing block (13), a first reset spring (14), a clamping plate (16), a limiting plate (15) and a sliding rail (4), wherein the sliding main body (3) is provided with two groups, the two groups of sliding main bodies (3) are respectively arranged at the tops of the left end and the right end of the locking main body (1), a first cavity is arranged inside the sliding main body (3), the inner side wall of one end, far away from the locking main body (1), of the first cavity is provided with the sliding rail (4) in the vertical direction, a sliding plate (5) is arranged in the first cavity, one end, close to the sliding rail (4), of the sliding plate (5) is provided with a sliding strip (6), the top end of the sliding plate (5) penetrates through the top end of the sliding main body (3) and extends out of the sliding main body, a fixed rod (7) is installed at the top end of the sliding plate (5), the output ends of the fixed rod (7) and the hydraulic cylinder (2) are fixedly connected with a lifting platform cross beam (12), a groove is formed in one end, away from the sliding rail (4), of the sliding plate (5), a plurality of groups of vertical locking mechanisms are arranged on the inner wall, facing the locking main body (1), of the groove, each group of vertical locking mechanisms comprises a base (8), a baffle (9), a second return spring (10) and a supporting plate (11), the base (8) and the baffle (9) are both installed on the inner wall of the groove, the base (8) is connected with the supporting plate (11) through a connecting shaft, the baffle (9) is installed above the supporting plate (11), the second return spring (10) is, the other end of the second reset spring (10) is installed at the middle position of the bottom end of the support plate (11), a through hole is formed in the rear side of the top end of the locking main body (1), the hydraulic cylinder (2) penetrates through the through hole to be fixed with the locking main body (1) through a bolt, the locking main body (1) is located at the top of the outer side wall of the hydraulic cylinder (2), a second cavity is formed in the locking main body (1), the bottom end of the Y-shaped locking sleeve (17) horizontally penetrates through the front end of the locking main body (1), the top end of the Y-shaped locking sleeve (17) and the front end of the locking main body (1) are located on the same plane, a locking groove is formed in the Y-shaped locking sleeve, two groups of pressing blocks (13), a first reset spring (14), a limiting plate (15) and a clamping plate (16) are arranged, one ends of the two groups of pressing blocks (13) are respectively installed at the left end and the right end of the Y-shaped locking, the other end and two sets of limiting plate (15) of two sets of first reset spring (14) are connected, and are two sets of limiting plate (16) are close to Y type lock sleeve (17) one end and all pass limiting plate (15) and spring and press piece (13) fixed connection, and two sets of second cavity inner walls that press the post corresponding all are provided with and press the hole that the relative one end size of post equals, press the post and be in stretch into first cavity and backup pad (11) cross contact under the effect of check lock lever (18).

2. A scissor lift platform anti-glide according to claim 1, wherein the second return spring (10) is free of external forces and the support plate (11) is in a horizontal position.

3. A scissor lift platform anti-glide according to claim 2, wherein the locking groove in the lower half of the Y-shaped locking sleeve (17) is closed when the Y-shaped locking sleeve (17) is unlocked.

4. A scissor lift platform anti-glide device according to claim 3, wherein the support plate (11) and the blocking plate (9) are provided with rubber layers.

5. A scissor lift platform anti-glide device according to claim 4, wherein the locking lever (18) is provided with a circular ring at the top end.