CN214192270U

CN214192270U - Crane buffering device

Info

Publication number: CN214192270U
Application number: CN202023074015.2U
Authority: CN
Inventors: 杨永东
Original assignee: Shandong Luqi Hoisting Machinery Co ltd
Current assignee: Shandong Luqi Hoisting Machinery Co ltd
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-09-14
Anticipated expiration: 2030-12-19

Abstract

The utility model discloses a crane buffer device, which belongs to the crane field and comprises a main beam, wherein the surface of the main beam is symmetrically provided with a thread groove, the surface of the main beam is slidably provided with a sleeve, the surface of the sleeve is symmetrically and fixedly provided with a connecting block, the surface of the connecting block is provided with a first thread hole, the surface of the main beam is symmetrically provided with an open slot, the inner wall of the open slot is slidably provided with a clamping plate, the surface of the clamping plate is provided with a second thread hole, a first fastening bolt is arranged between the second thread hole, the first thread hole and the thread groove in a threaded manner, the clamping plate and the connecting block can be pressed and fixed through the arrangement of the first fastening bolt, so that the sleeve is kept in a stable state, the clamping plate is fastened again under the action of the second fastening bolt, the stable effect of the connecting block is ensured, the shaking caused by the impact of external force for a long time is avoided, and the buffer plate, the telescopic column, the spring and other structures are acted, the lifting trolley can be effectively buffered, and the damage of the end beam is avoided.

Description

Crane buffering device

Technical Field

The utility model relates to a hoist field, more specifically say, relate to a hoist buffer.

Background

The lifting trolley is a lifting device of the crane, and when the lifting trolley travels on the track of the main beam and reaches the end beam quickly, the lifting trolley can continuously slide forwards due to the action of inertia and easily hit the end beam, so that a buffer device is arranged on the surface of the main beam, and the damage to the end beam is avoided.

However, many crane dampers also have certain disadvantages, and the fixing effect of the damper is not good, and the damper is easily loosened by being impacted by external force for a long time.

For this reason, a large amount of hoist buffer has appeared among the prior art, and current hoist buffer, can not be through the setting of first fastening bolt, can be to the cardboard, the connecting block compresses tightly fixedly, make the sleeve keep stable state, and under the effect of second fastening bolt, fasten the cardboard once more, guarantee the stable effect of connecting block, avoid receiving external force impact for a long time and rock, can not pass through the buffer board, flexible post, the effect of spring isotructure, can effectively cushion the dolly of lifting by crane, avoid the impaired of end beam.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, an object of the utility model is to provide a crane buffer, it is through the setting of first fastening bolt, can compress tightly the cardboard, the connecting block is fixed, make the sleeve keep stable state, and under the effect of second fastening bolt, fasten the cardboard once more, guarantee the stable effect of connecting block, avoid receiving external shock for a long time and rock, through the buffer board, flexible post, the effect of spring isotructure, can effectively cushion the dolly of lifting by crane, avoid the impaired of end beam.

In order to solve the above problems, the utility model adopts the following technical proposal.

A crane buffer device comprises a main beam, wherein threaded grooves are symmetrically formed in the surface of the main beam, a sleeve is slidably mounted on the surface of the main beam, a connecting block is fixedly mounted on the surface of the sleeve in a symmetrical mode, first threaded holes are formed in the surface of the connecting block, open grooves are symmetrically formed in the surface of the main beam, a clamping plate is slidably mounted on the inner wall of each open groove, a second threaded hole is formed in the surface of the clamping plate, first fastening bolts are threadedly mounted among the second threaded holes, the first threaded holes and the threaded grooves, the end face of each first fastening bolt is slidably connected with the clamping plate, a third threaded hole is formed in the surface of the clamping plate, a fourth threaded hole is formed in the inner wall of each open groove, a sleeve ring is fixedly mounted on the inner wall of the sleeve, a telescopic column is slidably mounted on the inner wall of the sleeve ring, a movable plate is fixedly mounted at the other end of the telescopic column, and the inner wall of the movable plate is slidably connected with the sleeve, the utility model discloses a lifting trolley, including movable plate, cardboard, connecting block, telescopic column, spring, clamping plate, connecting block, the surperficial symmetry fixed mounting of movable plate has the slide bar, the surface mounting of slide bar has the spring, and it can compress tightly fixedly cardboard, connecting block through the setting of first fastening bolt for the sleeve keeps stable state, and under the effect of second fastening bolt, fastens the cardboard once more, guarantees the stable effect of connecting block, avoids receiving external shock for a long time and rock, through the effect of buffer board, flexible post, spring isotructure, can effectively cushion lifting trolley, avoids the impaired of end beam.

Furthermore, a second fastening bolt is installed between the fourth threaded hole and the third threaded hole in a threaded mode, the end face of the second fastening bolt is connected with the main beam in a sliding mode, and the fastening effect of the clamping plate is improved under the effect of the second fastening bolt.

Furthermore, be equipped with the through-hole between the open slot, and sliding connection between through-hole and the second fastening bolt, be convenient for under the effect of through-hole, can install the second fastening bolt.

Furthermore, the one end fixed mounting of flexible post has the buffer board, the fixed surface of buffer board installs the rubber pad, is convenient for under the effect of rubber pad, avoids the rigid contact of buffer board.

Furthermore, the inner wall of the sleeve is symmetrically provided with sliding holes, and the sliding holes are in sliding connection with the sliding rods, so that the sliding rods can effectively slide after being stressed under the sliding connection.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can compress tightly fixedly cardboard, connecting block through the setting of first fastening bolt for the sleeve remains stable state, and under the effect of second fastening bolt, fastens the cardboard once more, guarantees the stable effect of connecting block, avoids receiving external shock for a long time and rocks, through the effect of buffer board, flexible post, spring isotructure, can effectively cushion lifting by crane the dolly, avoids the impaired of end beam.

(2) The second fastening bolt is installed to the screw thread between fourth screw hole, the third screw hole, and sliding connection between the terminal surface that the second fastening was tied and the girder is convenient for fasten under the effect of tying at the second, improve the fastening effect of cardboard.

(3) Be equipped with the through-hole between the open slot, and sliding connection between through-hole and the second fastening bolt, be convenient for under the effect of through-hole, can install the second fastening bolt.

(4) The one end fixed mounting of flexible post has the buffer board, and the fixed surface of buffer board installs the rubber pad, is convenient for under the effect of rubber pad, avoids the rigid contact of buffer board.

(5) The inner wall of the sleeve is symmetrically provided with sliding holes, and the sliding holes are in sliding connection with the sliding rods, so that the sliding rods can effectively slide after being stressed under the condition of sliding connection.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention;

fig. 3 is a sectional view of the front view of the sleeve according to the present invention.

The reference numbers in the figures illustrate:

the main beam 1, the thread groove 2, the sleeve 3, the connecting block 4, the first thread hole 5, the open slot 6, the clamping plate 7, the second thread hole 8, the first fastening bolt 9, the third thread hole 10, the fourth thread hole 11, the second fastening bolt 12, the through hole 13, the lantern ring 14, the telescopic column 15, the buffer plate 16, the rubber pad 17, the movable plate 18, the sliding rod 19, the spring 20 and the sliding hole 21.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, a crane buffering device comprises a main beam 1, referring to fig. 1-2, a thread groove 2 is symmetrically arranged on the surface of the main beam 1, a sleeve 3 is slidably arranged on the surface of the main beam 1, a connecting block 4 is symmetrically and fixedly arranged on the surface of the sleeve 3, a first threaded hole 5 is arranged on the surface of the connecting block 4, an open slot 6 is symmetrically arranged on the surface of the main beam 1, a clamping plate 7 is slidably arranged on the inner wall of the open slot 6, a second threaded hole 8 is arranged on the surface of the clamping plate 7, a first fastening bolt 9 is threadedly arranged between the second threaded hole 8, the first threaded hole 5 and the thread groove 2, the end surface of the first fastening bolt 9 is slidably connected with the clamping plate 7, a third threaded hole 10 is arranged on the surface of the clamping plate 7, a fourth threaded hole 11 is arranged on the inner wall of the open slot 6, and a second fastening bolt 12 is threadedly arranged between the fourth threaded hole 11 and the third threaded hole 10, and sliding connection between the terminal surface of second fastening bolt 12 and girder 1 is convenient for improve the fastening effect of cardboard 7 under the effect of second fastening bolt 12, is equipped with through-hole 13 between open slot 6, and sliding connection between through-hole 13 and the second fastening bolt 12, is convenient for under the effect of through-hole 13, can install second fastening bolt 12.

Referring to fig. 1 and 3, a collar 14 is fixedly mounted on an inner wall of a sleeve 3, a telescopic column 15 is slidably mounted on an inner wall of the collar 14, a buffer plate 16 is fixedly mounted at one end of the telescopic column 15, a rubber pad 17 is fixedly mounted on a surface of the buffer plate 16, so that rigid contact of the buffer plate 16 is avoided under the action of the rubber pad 17, a moving plate 18 is fixedly mounted at the other end of the telescopic column 15, the moving plate 18 is slidably connected with the inner wall of the sleeve 3, sliding rods 19 are symmetrically and fixedly mounted on the surface of the moving plate 18, springs 20 are mounted on the surface of the sliding rods 19, sliding holes 21 are symmetrically formed in the inner wall of the sleeve 3, and the sliding holes 21 are slidably connected with the sliding rods 19, so that the sliding rods 19 can effectively slide after being stressed in a sliding connection relationship.

This hoist buffer, through second screw hole 8, first screw hole 5, the effect of thread groove 2, can carry out fixed mounting to first fastening bolt 9, make cardboard 7 compress tightly fixedly to connecting block 4, and at fourth screw hole 11, third screw hole 10, under the effect of through-hole 13, can carry out the screw thread installation to second fastening bolt 12, fasten again cardboard 7, thereby improve telescopic 3's stable effect, avoid receiving external force impact for a long time and becoming flexible, when the buffer board 16 receives the dolly of lifting by crane to strike, under the effect of rubber pad 17, avoid the rigid contact, at this moment, flexible post 15 atress promotes movable plate 18 and removes to the inboard along sleeve 3 inner wall, thereby promote slide bar 19 and remove along slide opening 21 inner wall, spring 20 atress compression, effectively release impact, accomplish the buffering effect to the dolly of lifting by crane.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a hoist buffer, includes girder (1), its characterized in that: the surface symmetry of the main beam (1) is provided with thread grooves (2), the surface sliding of the main beam (1) is provided with a sleeve (3), the surface symmetry of the sleeve (3) is fixedly provided with a connecting block (4), the surface of the connecting block (4) is provided with a first thread hole (5), the surface symmetry of the main beam (1) is provided with an open groove (6), the inner wall sliding of the open groove (6) is provided with a clamping plate (7), the surface of the clamping plate (7) is provided with a second thread hole (8), a first fastening bolt (9) is arranged among the second thread hole (8), the first thread hole (5) and the thread groove (2) in a threaded manner, the end surface of the first fastening bolt (9) is connected with the clamping plate (7) in a sliding manner, the surface of the clamping plate (7) is provided with a third thread hole (10), the inner wall of the open groove (6) is provided with a fourth thread hole (11), the inner wall fixed mounting of sleeve (3) has the lantern ring (14), the inner wall slidable mounting of the lantern ring (14) has flexible post (15), the other end fixed mounting of flexible post (15) has movable plate (18), sliding connection between movable plate (18) and the sleeve (3) inner wall, the surface symmetry fixed mounting of movable plate (18) has slide bar (19), the surface mounting of slide bar (19) has spring (20).

2. A crane damping device as claimed in claim 1, wherein: and a second fastening bolt (12) is installed between the fourth threaded hole (11) and the third threaded hole (10) in a threaded manner, and the end surface of the second fastening bolt (12) is connected with the main beam (1) in a sliding manner.

3. A crane damping device as claimed in claim 1, wherein: a through hole (13) is arranged between the open grooves (6), and the through hole (13) is connected with the second fastening bolt (12) in a sliding mode.

4. A crane damping device as claimed in claim 1, wherein: one end fixed mounting of flexible post (15) has buffer board (16), the fixed surface of buffer board (16) installs rubber pad (17).

5. A crane damping device as claimed in claim 1, wherein: the inner wall of the sleeve (3) is symmetrically provided with sliding holes (21), and the sliding holes (21) are in sliding connection with the sliding rods (19).