CN214527703U

CN214527703U - Limiting device for crane trolley

Info

Publication number: CN214527703U
Application number: CN202120441044.3U
Authority: CN
Inventors: 卫景云
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-10-29
Anticipated expiration: 2031-03-01

Abstract

The utility model discloses a limiting device of a crane trolley, which comprises a slide rail and a trolley main body, wherein the trolley main body slides on the slide rail, the upper surface of the slide rail is fixedly connected with a baffle in a bilateral symmetry way, the left side and the right side of the trolley main body are symmetrically provided with a first limiting mechanism, the first limiting mechanism comprises a support rod, a first buffer plate, a slide groove, a slide block, a first spring and a first rubber pad, one side of the baffle close to the trolley main body is provided with a second limiting mechanism, the second limiting mechanism comprises a connecting frame, a limiting plate, a slide rod, a second spring, a second buffer plate and a second rubber pad, the lower surface of the trolley main body is provided with a third limiting mechanism, the third limiting mechanism comprises a fixed plate, an electric telescopic rod, a first rack, a rotating shaft, a gear, a second rack, a fixed rod, a vertical rod, a limiting block, a friction plate and a first non-slip mat, the utility model has novel structure, the practicability is strong.

Description

Limiting device for crane trolley

Technical Field

The utility model relates to a hoist technical field specifically is a monkey stop device.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The crane has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the crane is more and more widely developed and used in the market.

Whether the function of hoist lies in the dolly comprehensively has so multi-functionally, and the dolly is when removing, if can not in time control, touches the curb plate at crossbearer both ends easily, causes violent vibrations, influences the normal operating of dolly, can cause the dolly to damage even, consequently, needs a monkey stop device to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a monkey stop device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a monkey stop device, includes slide rail and dolly main part, the dolly main part slides on the slide rail, slide rail upper surface bilateral symmetry fixedly connected with baffle, dolly main part left and right sides symmetry is equipped with first stop gear, one side that the baffle is close to the dolly main part is equipped with second stop gear, dolly main part lower surface is equipped with third stop gear.

As a further aspect of the present invention: the first limiting mechanism comprises a supporting rod, a first buffer plate, a sliding groove, a sliding block, a first spring and a first rubber pad, wherein the first buffer plate is symmetrically arranged on two sides of the trolley main body, the sliding groove is formed in the first buffer plate, the sliding block is symmetrically and slidably connected in the sliding groove, the sliding block is fixedly connected with one end of the first spring away from one side, the other end of the first spring is fixedly connected with one end of the sliding groove, one side, away from the baffle, of the sliding block is hinged to one end of the supporting rod, and the other end of the supporting rod is hinged to one side of the trolley main body.

As a further aspect of the present invention: the second limiting mechanism comprises a connecting frame, a limiting plate, a sliding rod, a second spring, a second buffer plate and a second rubber pad, the connecting frame is symmetrically and fixedly connected to the baffle, the limiting plate is connected to the inside of the connecting frame in a sliding mode, one side of the limiting plate, which is close to the trolley main body, is fixedly connected with one end of the sliding rod, the sliding rod penetrates through the connecting frame and is connected with the sliding rod in a sliding mode, the other end of the sliding rod is fixedly connected with one side of the second buffer plate, the second rubber pad is fixedly connected with the other side of the second buffer plate, the second spring is sleeved on the sliding rod, one end of the second spring is fixedly connected with one side of the second buffer plate, which is close to the baffle, and one side of the outer wall of the second spring, which is far away from the baffle, is fixedly connected with the connecting frame.

As a further aspect of the present invention: the third limiting mechanism comprises a fixed plate, an electric telescopic rod, a first rack, a rotating shaft, a gear, a second rack, a fixed rod, a vertical rod, a limiting block, a friction plate and a first anti-skid pad, the fixed plate is fixedly connected to the lower surface of the trolley main body, the electric telescopic rod is fixedly connected to one side of the fixed plate, the first rack is fixedly connected to the output end of the electric telescopic rod, the rotating shaft is symmetrically arranged on two sides of the first rack, the rotating shaft is fixedly connected to the lower surface of the trolley main body, the rotating shaft penetrates through the gear and is rotatably connected with the gear, the gear is meshed with the second rack, one end, far away from the first rack, of the second rack is fixedly connected to one end of the fixed rod, the fixed rod penetrates through the limiting block and is slidably connected with the limiting block, the upper surface of the limiting block is fixedly connected to one end of the vertical rod, the other end of the vertical rod is fixedly connected to the lower surface of the trolley main body, and the other end of the fixed rod is fixedly connected to one side of the friction plate, and the other side of the friction plate is fixedly connected with a first anti-skid pad.

As a further aspect of the present invention: two fixedly connected with connecting plate between the link, the connecting plate is run through by the connecting rod and rather than sliding connection, the baffle is close to one side fixedly connected with touch switch of dolly main part, touch switch and connecting rod are located same water flat line, baffle other end fixedly connected with siren.

As a further aspect of the present invention: the upper surface of the sliding rail is fixedly connected with second anti-slip pads in a bilateral symmetry mode.

Compared with the prior art, the beneficial effects of the utility model are that:

the trolley main body slides on the slide rail, in the horizontal movement process of the trolley main body, the first rubber pad on one side of the trolley main body can contact the second rubber pad, the first rubber pad extrudes the first buffer plate, the first buffer plate enables the two support rods to move towards two sides, the support rods drive the sliding block to move, the sliding block extrudes the first spring, under the action force of the first spring, the trolley main body is subjected to primary buffering, the second rubber pad extrudes the second buffer plate, the second buffer plate drives the sliding rod to move and simultaneously extrudes the second spring, under the action force of the second spring, the trolley main body is subjected to secondary buffering, when the first rubber pad extrudes the connecting rod, the connecting rod moves outwards, the touch switch is touched, the touch switch is started, the touch switch starts the alarm and the electric telescopic rod, the alarm reminds workers, the electric drive the first rack to move, the first rack drives the gear to rotate, the gear drives the second rack motion, and under the cooperation of montant and stopper, the second rack moves the dead lever motion, and the dead lever drives the friction plate motion for the friction plate contacts the slide rail, carries out the deceleration to the dolly main part, further reduces the speed of dolly main part through the second slipmat that sets up, and the practicality is stronger.

Drawings

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

Fig. 2 is a bottom view of the cart body according to the first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a slide rail; 2. a trolley main body; 3. a baffle plate; 4. a strut; 5. a first buffer plate; 6. a chute; 7. a slider; 8. a first spring; 9. a first rubber pad; 10. a connecting frame; 11. a limiting plate; 12. a slide bar; 13. a second spring; 14. a second buffer plate; 15. a second rubber pad; 16. a connecting plate; 17. a connecting rod; 18. a touch switch; 19. an alarm; 20. a fixing plate; 21. an electric telescopic rod; 22. a first rack; 23. a rotating shaft; 24. a gear; 25. a second rack; 26. fixing the rod; 27. a vertical rod; 28. a limiting block; 29. a friction plate; 30. a first non-slip mat; 31. and a second non-slip mat.

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.

Example 1

Referring to fig. 1-2, in an embodiment of the present invention, a limiting device for a crane trolley includes a sliding rail 1 and a trolley main body 2, wherein the trolley main body 2 slides on the sliding rail 1, baffle plates 3 are fixedly connected to the upper surface of the sliding rail 1 in a bilateral symmetry manner, first limiting mechanisms are symmetrically arranged on the left side and the right side of the trolley main body 2, a second limiting mechanism is arranged on one side of the baffle plate 3 close to the trolley main body 2, and a third limiting mechanism is arranged on the lower surface of the trolley main body 2;

the first limiting mechanism comprises a supporting rod 4, a first buffer plate 5, a sliding groove 6, a sliding block 7, a first spring 8 and a first rubber pad 9, the first buffer plate 5 is symmetrically arranged on two sides of the trolley main body 2, the sliding groove 6 is arranged in the first buffer plate 5, the sliding block 7 is symmetrically and slidably connected in the sliding groove 6, one side, away from the sliding block 7, of each sliding block is fixedly connected with one end of the first spring 8, the other end of the first spring 8 is fixedly connected with one end of the sliding groove 6, one side, away from the baffle 3, of each sliding block 7 is hinged to one end of the supporting rod 4, and the other end of the supporting rod 4 is hinged to one side of the trolley main body 2;

the second limiting mechanism comprises a connecting frame 10, a limiting plate 11, a sliding rod 12, a second spring 13, a second buffer plate 14 and a second rubber pad 15, the connecting frame 10 is symmetrically and fixedly connected to the baffle 3, the limiting plate 11 is slidably connected to the inside of the connecting frame 10, one side, close to the trolley main body 2, of the limiting plate 11 is fixedly connected to one end of the sliding rod 12, the sliding rod 12 penetrates through the connecting frame 10 and is slidably connected with the connecting frame, the other end of the sliding rod 12 is fixedly connected to one side of the second buffer plate 14, the other side of the second buffer plate 14 is fixedly connected to the second rubber pad 15, the sliding rod 12 is sleeved with the second spring 13, one end of the second spring 13 is fixedly connected to one side, close to the baffle 3, of the second buffer plate 14, and the other end of the second spring 13 is fixedly connected to the outer wall of one side, far away from the baffle 3, of the connecting frame 10;

the third limiting mechanism comprises a fixing plate 20, an electric telescopic rod 21, a first rack 22, a rotating shaft 23, a gear 24, a second rack 25, a fixing rod 26, a vertical rod 27, a limiting block 28, a friction plate 29 and a first anti-skid pad 30, the surface of the trolley main body 2 is fixedly connected with the fixing plate 20, one side of the fixing plate 20 is fixedly connected with the electric telescopic rod 21, the output end of the electric telescopic rod 21 is fixedly connected with the first rack 22, the two sides of the first rack 22 are symmetrically provided with the rotating shaft 23, the rotating shaft 23 is fixedly connected with the surface of the trolley main body 2, the rotating shaft 23 penetrates through the gear 24 and is rotatably connected with the gear, the gear 24 is meshed with the second rack 25, one end of the second rack 25, far away from the first rack 22, is fixedly connected with one end of the fixing rod 26, the fixing rod 26 penetrates through the limiting block 28 and is slidably connected with the same, and the upper surface of the limiting block 28 is fixedly connected with one end of the vertical rod 27, the other end of the vertical rod 27 is fixedly connected with the lower surface of the trolley main body 2, the other end of the fixed rod 26 is fixedly connected with one side of a friction plate 29, and the other side of the friction plate 29 is fixedly connected with a first anti-skid pad 30;

a connecting plate 16 is fixedly connected between the two connecting frames 10, the connecting plate 16 is penetrated by a connecting rod 17 and is in sliding connection with the connecting rod, a touch switch 18 is fixedly connected to one side of the baffle 3 close to the trolley main body 2, the touch switch 18 and the connecting rod 17 are located on the same horizontal line, and an alarm 19 is fixedly connected to the other end of the baffle 3.

Example 2

Referring to fig. 3, on the basis of embodiment 1, the upper surface of the sliding rail 1 is fixedly connected with second anti-slip pads 31 in bilateral symmetry.

The utility model discloses a theory of operation is: the trolley main body 2 slides on the sliding rail 1, in the horizontal movement process of the trolley main body 2, the first rubber pad 9 on one side of the trolley main body 2 can contact the second rubber pad 15, the first rubber pad 9 extrudes the first buffer plate 5, the first buffer plate 5 enables the two support rods 4 to move towards two sides, the support rods 4 drive the sliding block 7 to move, the sliding block 7 extrudes the first spring 8, the trolley main body 2 is buffered for the first time under the action force of the first spring 8, the second rubber pad 15 extrudes the second buffer plate 14, the second buffer plate 14 drives the sliding rod 12 to move and simultaneously extrudes the second spring 13, the trolley main body 2 is buffered for the second time under the action force of the second spring 13, when the first rubber pad 9 extrudes the connecting rod 17, the connecting rod 17 moves towards the outside, the connecting rod 17 touches the touch switch 18, the touch switch 18 is started, the touch switch 18 starts the alarm 19 and the electric telescopic rod 21, 19 warning of siren reminds the staff, electric telescopic handle 21 drives first rack 22 motion, first rack 22 drives gear 24 and rotates, gear 24 drives the motion of second rack 25, under the cooperation of montant 27 and stopper 28, second rack 25 drives the motion of dead lever 26, dead lever 26 drives friction plate 29 motion, make friction plate 29 contact slide rail 1, carry out the deceleration to dolly main part 2, further reduce dolly main part 2's speed through the second slipmat 31 that sets up, the practicality is stronger.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a monkey stop device, includes slide rail (1) and dolly main part (2), its characterized in that, dolly main part (2) slide on slide rail (1), slide rail (1) upper surface bilateral symmetry fixedly connected with baffle (3), dolly main part (2) left and right sides symmetry is equipped with first stop gear, one side that baffle (3) are close to dolly main part (2) is equipped with second stop gear, dolly main part (2) lower surface is equipped with third stop gear.

2. The crane trolley limiting device as claimed in claim 1, wherein the first limiting mechanism comprises a supporting rod (4), a first buffer plate (5), a sliding groove (6), a sliding block (7), a first spring (8) and a first rubber pad (9), the first buffer plate (5) is symmetrically arranged on two sides of the trolley main body (2), the sliding groove (6) is arranged inside the first buffer plate (5), the sliding block (7) is symmetrically and slidably connected inside the sliding groove (6), one side, away from the sliding block (7), of the two sliding blocks is fixedly connected with one end of the first spring (8), the other end of the first spring (8) is fixedly connected with one end of the sliding groove (6), one side, away from the baffle (3), of the sliding block (7) is hinged to one end of the supporting rod (4), and the other end of the supporting rod (4) is hinged to one side of the trolley main body (2).

3. The crane trolley limiting device according to claim 1, wherein the second limiting mechanism comprises a connecting frame (10), a limiting plate (11), a sliding rod (12), a second spring (13), a second buffer plate (14) and a second rubber pad (15), the connecting frame (10) is symmetrically and fixedly connected to the baffle (3), the limiting plate (11) is slidably connected to the inside of the connecting frame (10), one side of the limiting plate (11) close to the trolley body (2) is fixedly connected to one end of the sliding rod (12), the sliding rod (12) penetrates through the connecting frame (10) and is slidably connected to the connecting frame, the other end of the sliding rod (12) is fixedly connected to one side of the second buffer plate (14), the other side of the second buffer plate (14) is fixedly connected to the second rubber pad (15), the sliding rod (12) is sleeved with the second spring (13), one end of the second spring (13) is fixedly connected with one side, close to the baffle plate (3), of the second buffer plate (14), and the other end of the second spring (13) is fixedly connected with the outer wall of one side, far away from the baffle plate (3), of the connecting frame (10).

4. The crane trolley limiting device as claimed in any one of claims 1 to 3, wherein the third limiting mechanism comprises a fixing plate (20), an electric telescopic rod (21), a first rack (22), a rotating shaft (23), a gear (24), a second rack (25), a fixing rod (26), a vertical rod (27), a limiting block (28), a friction plate (29) and a first anti-skid pad (30), the fixing plate (20) is fixedly connected to the lower surface of the trolley body (2), the electric telescopic rod (21) is fixedly connected to one side of the fixing plate (20), the first rack (22) is fixedly connected to the output end of the electric telescopic rod (21), the rotating shaft (23) is symmetrically arranged on two sides of the first rack (22), the rotating shaft (23) is fixedly connected to the lower surface of the trolley body (2), and the rotating shaft (23) penetrates through the gear (24) and is rotatably connected therewith, gear (24) and second rack (25) meshing, the one end and dead lever (26) one end fixed connection of first rack (22) are kept away from in second rack (25), dead lever (26) run through stopper (28) and rather than sliding connection, stopper (28) upper surface and montant (27) one end fixed connection, montant (27) other end and dolly main part (2) lower fixed surface connection, dead lever (26) other end and friction plate (29) one side fixed connection, friction plate (29) opposite side fixedly connected with first slipmat (30).

5. A crane trolley limiting device as claimed in claim 3, characterized in that a connecting plate (16) is fixedly connected between the two connecting frames (10), the connecting plate (16) is penetrated by the connecting rod (17) and is slidably connected with the connecting rod, a touch switch (18) is fixedly connected to one side of the baffle plate (3) close to the trolley main body (2), the touch switch (18) and the connecting rod (17) are located on the same horizontal line, and an alarm (19) is fixedly connected to the other end of the baffle plate (3).

6. A crane trolley limiting device according to claim 1, characterized in that the upper surface of the sliding rail (1) is fixedly connected with a second anti-skid pad (31) in bilateral symmetry.