CN224147569U - A balance beam for a crane traveling mechanism - Google Patents

Abstract

The utility model discloses a balance beam of a crane travelling mechanism, which comprises a balance beam of the crane travelling mechanism, wherein a suspension mechanism is arranged in the balance beam, the upper surface of the balance beam is fixedly connected with a reinforcing mechanism, a buffer mechanism is fixedly arranged on the bottom surface of the balance beam, the suspension mechanism comprises hand wheels arranged at two ends of the balance beam, a lead screw is fixedly connected in the hand wheels, the lead screw is positioned in the balance beam, and a sliding block is movably arranged on the surface of the lead screw. The utility model aims to absorb and buffer vibration and impact force generated in the traveling process of a crane in a multi-level and all-dimensional manner through the buffer mechanism comprising the damping plate, the shock absorber, the damping spring, the buffer rubber pad, the buffer base and other parts. The structure of the balance beam is protected, the service life of the balance beam is prolonged, the influence of vibration on other parts of the crane is reduced, and the running stability and reliability of the crane are improved.

Description

Balance beam of crane travelling mechanism

Technical Field

The utility model relates to the technical field of cranes, in particular to a balance beam of a crane travelling mechanism.

Background

The crane is used as an important hoisting device and is widely applied to the fields of industrial production, building construction and the like. The travelling mechanism is an important component of the crane, and plays a key role in the balancing Liang Zaihang travelling mechanism, so that the crane can be ensured to keep stable in the travelling process and uniformly distribute loads.

The balance beam of the crane travelling mechanism on the market at present has the following problems:

On one hand, as the crane usually faces complicated working conditions such as heavy load, vibration, impact and the like when in work, the balance beam is easy to deform, crack and the like under the action of external force for a long time, the structural strength and the service life of the balance beam are affected, and once the balance beam is damaged, the crane cannot work normally and safety accidents can be caused;

On the other hand, in the crane walking process, the conditions such as road surface unevenness are inevitably met, at this moment, the balance beam can receive great impact force, and no buffer mechanism protects, and these impact forces can directly act on the running gear of crane and other parts, accelerate the wearing and tearing of part, reduce the reliability and the stability of crane, also can influence the operation travelling comfort of crane simultaneously.

In order to solve the problems, the utility model provides a novel balance beam design of a crane travelling mechanism, which has better wear resistance, lubrication effect and sealing performance, so that the service life of a bearing is effectively prolonged, and the maintenance cost is reduced.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model aims to provide the balance beam of the crane travelling mechanism, which has good wear resistance, good lubricity and good sealing property.

The balance beam of the crane travelling mechanism comprises a balance beam, wherein a suspension mechanism is arranged in the balance beam, the upper surface of the balance beam is fixedly connected with a reinforcing mechanism, a buffer mechanism is fixedly arranged on the bottom surface of the balance beam, the suspension mechanism comprises hand wheels arranged at two ends of the balance beam, and a screw rod is fixedly connected in the hand wheels.

In the technical scheme, the lead screw is positioned in the balance beam, the surface of the lead screw is movably provided with the sliding block, the surfaces of the two sides of the sliding block are fixedly connected with the suspension frame, and the lower surface of the suspension frame is fixedly connected with the suspension hook.

In the above technical scheme, the strengthening mechanism includes the stiffening rod of welding at the compensating beam upper surface, a side table fixedly connected with diagonal brace of stiffening rod, the bottom of diagonal brace and the upper surface welding of compensating beam.

In the technical scheme, the surface fixed mounting of compensating beam has the reinforcing block, the both ends and the outside surface fixed connection of reinforcing rod of reinforcing block, and be located the left side surface fixed mounting of reinforcing rod and have the reinforcing crossbearer, the inside threaded connection of reinforcing crossbearer has the reinforcing screw rod.

In the above technical scheme, the buffer mechanism comprises a damping plate fixedly mounted on the lower surface of the balance beam, a stabilizing block is fixedly mounted on the upper surface of the damping plate, and a shock absorber is fixedly connected to the bottom of the damping plate.

In the technical scheme, the damping spring is sleeved on the surface of the shock absorber, a buffer rubber pad is fixedly arranged on the bottom surface of the shock absorber, and a buffer base is fixedly arranged at the bottom of the buffer rubber pad.

The utility model has the beneficial effects that:

1. The structural stability is enhanced, namely, the reinforcing rods, the diagonal bracing rods, the reinforcing blocks, the reinforcing transverse frames and the reinforcing screw rods in the reinforcing mechanism are mutually matched, so that a stable triangular structure and a pretension system are formed, and the structural strength and stability of the balance beam are remarkably enhanced. In the traveling and heavy object hoisting processes of the crane, the balance beam is effectively prevented from being deformed or damaged, and the safety of the whole crane system is ensured.

2. The damping mechanism comprises a damping plate, a damper, a damping spring, a damping rubber pad, a damping base and the like, and can absorb and buffer vibration and impact force generated in the traveling process of the crane in a multi-level and omnibearing manner. The structure of the balance beam is protected, the service life of the balance beam is prolonged, the influence of vibration on other parts of the crane is reduced, and the running stability and reliability of the crane are improved.

In conclusion, the balance beam of the crane travelling mechanism has excellent wear resistance, good lubricating performance and sealing performance, is reasonable in structural design, can effectively improve the working efficiency and service life of the bearing, and provides powerful guarantee for long-term stable operation of automobiles.

Drawings

FIG. 1 is a schematic diagram of a balance Liang Liti of the present utility model;

FIG. 2 is a schematic perspective view of a suspension mechanism according to the present utility model;

FIG. 3 is a schematic perspective view of the reinforcement mechanism of the present utility model;

Fig. 4 is a schematic perspective view of a buffer mechanism according to the present utility model.

The device comprises a balance beam, a suspension mechanism, a hand wheel, a screw rod, a 23, a sliding block, a 24, a suspension frame, a 25, a suspension hook, a 3, a reinforcing mechanism, a 31, a reinforcing rod, a 32, an inclined strut, a 33, a reinforcing block, a 34, a reinforcing transverse frame, a 35, a reinforcing screw rod, a 4, a buffer mechanism, a 41, a damping plate, a 42, a shock absorber, a 43, a damping spring, a 44, a buffer rubber pad and a 45, and a buffer base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a balance beam of a crane travelling mechanism comprises a balance beam 1, a suspension mechanism 2 is arranged in the balance beam 1, a reinforcing mechanism 3 is fixedly connected to the upper surface of the balance beam 1, a buffer mechanism 4 is fixedly arranged on the bottom surface of the balance beam 1, the suspension mechanism 2 comprises a hand wheel 21 arranged at two ends of the balance beam 1, a screw 22 is fixedly connected to the inner part of the hand wheel 21, the screw 22 is positioned in the balance beam 1, a sliding block 23 is movably arranged on the surface of the screw 22, suspension hangers 24 are fixedly connected to the two side surfaces of the sliding block 23, suspension hooks 25 are fixedly connected to the lower surface of the suspension hangers 24, and in actual use, the hand wheel 21 is rotated to drive the screw 22 to rotate so as to enable the sliding block 23 to move on the surface of the screw 22 and further adjust the positions of the suspension hooks 25 so as to meet different suspension requirements.

In the above technical scheme, the reinforcing mechanism 3 includes a reinforcing rod 31 welded on the upper surface of the balance beam 1, a side surface of the reinforcing rod 31 is fixedly connected with an inclined strut 32, the bottom end of the inclined strut 32 is welded with the upper surface of the balance beam 1, a reinforcing block 33 is fixedly mounted on the surface of the balance beam 1, two ends of the reinforcing block 33 are fixedly connected with the outer side surface of the reinforcing rod 31, a reinforcing transverse frame 34 is fixedly mounted on the left side surface of the reinforcing rod 31, and a reinforcing screw 35 is connected with the inner thread of the reinforcing transverse frame 34. The reinforcing rod 31 is firmly fixed on the upper surface of the balance beam through welding or high-strength bolts, one end of the diagonal brace 32 is welded with one side surface of the reinforcing rod 31, the other end of the diagonal brace is connected with the upper surface of the balance beam 1, a stable triangular structure is formed between the diagonal brace and the reinforcing rod and between the diagonal brace and the balance beam, so that the reinforcing effect is enhanced, the reinforcing blocks 33 are mounted on the surface of the balance beam 1, two ends of the reinforcing block 33 are tightly attached to the outer side surface of the reinforcing rod 31, the connecting strength of the reinforcing rod and the balance beam is further improved through welding or bolting, the reinforcing transverse frame 34 is mounted on the left side surface of the reinforcing rod 31, the levelness and the position accuracy of the reinforcing transverse frame are ensured, then the reinforcing screw 35 is connected into the reinforcing transverse frame 34 in a threaded mode, and the reinforcing transverse frame and the whole reinforcing mechanism are pre-tightened through screwing. .

In the above technical scheme, buffer gear 4 includes the damping plate 41 of fixed mounting at compensating beam 1 lower surface, the last fixed surface of damping plate 41 installs the steady block, the bottom fixedly connected with bumper shock absorber 42 of damping plate 41, the surface cover of bumper shock absorber 42 is equipped with damping spring 43, the bottom fixed surface of bumper shock absorber 42 installs the cushion rubber pad 44, the bottom fixed mounting of cushion rubber pad 44 has the cushion base 45, the last fixed surface of damping plate 41 installs the steady block for strengthen the stability of damping plate 41, bumper shock absorber 42 and damping spring 43, be used for absorbing and buffering the vibrations that the hoist walking in-process produced, cushion rubber pad 44 is used for further reinforcing buffering effect, the structural safety of compensating beam and hoist is protected.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The balance beam of the crane travelling mechanism comprises a balance beam (1) and is characterized in that a suspension mechanism (2) is arranged in the balance beam (1), a reinforcing mechanism (3) is fixedly connected to the upper surface of the balance beam (1), a buffer mechanism (4) is fixedly arranged on the bottom surface of the balance beam (1), the suspension mechanism (2) comprises hand wheels (21) arranged at two ends of the balance beam (1), and a screw (22) is fixedly connected to the inner part of the hand wheels (21).

2. The balance beam of the crane travelling mechanism according to claim 1, wherein the screw rod (22) is positioned in the balance beam (1), a sliding block (23) is movably arranged on the surface of the screw rod (22), hanging brackets (24) are fixedly connected to the surfaces of two sides of the sliding block (23), and hanging hooks (25) are fixedly connected to the lower surface of the hanging brackets (24).

3. The balance beam of the crane travelling mechanism according to claim 1, wherein the reinforcing mechanism (3) comprises a reinforcing rod (31) welded on the upper surface of the balance beam (1), an inclined strut (32) is fixedly connected to one side surface of the reinforcing rod (31), and the bottom end of the inclined strut (32) is welded with the upper surface of the balance beam (1).

4. The balance beam of the crane travelling mechanism according to claim 3, wherein the surface of the balance beam (1) is fixedly provided with a reinforcing block (33), two ends of the reinforcing block (33) are fixedly connected with the outer side surface of the reinforcing rod (31), the left side surface of the reinforcing rod (31) is fixedly provided with a reinforcing transverse frame (34), and the inner thread of the reinforcing transverse frame (34) is connected with a reinforcing screw rod (35).

5. The balance beam of the crane travelling mechanism according to claim 1, wherein the buffer mechanism (4) comprises a damping plate (41) fixedly arranged on the lower surface of the balance beam (1), a stabilizing block is fixedly arranged on the upper surface of the damping plate (41), and a shock absorber (42) is fixedly connected to the bottom of the damping plate (41).

6. The balance beam of the crane travelling mechanism as claimed in claim 5, wherein the surface of the shock absorber (42) is sleeved with a damping spring (43), a buffer rubber pad (44) is fixedly arranged on the bottom surface of the shock absorber (42), and a buffer base (45) is fixedly arranged at the bottom of the buffer rubber pad (44).