CN212387588U - Device for preventing bridge crane lifting hook from shaking - Google Patents

Abstract

The utility model discloses a device for preventing the lifting hook of a bridge crane from shaking, which comprises a supporting shell, wherein the upper surface of the supporting shell is fixedly provided with a supporting block, the lower surface of the supporting block is provided with a chute, sliders are symmetrically and movably arranged in the chute in a bilateral way, the upper end of the right side wall of an inner cavity of the supporting shell is rotatably provided with a positive and negative screw rod, the outer surface of the positive and negative screw rod is in threaded connection with the sliders, the upper end of the left side wall of the inner cavity of the supporting shell is fixedly provided with a motor, the output end of the motor is fixedly connected with the left end of the positive and negative screw rod, the lower surface of the slider at the left side is fixedly provided with a first L-shaped limiting frame, the lower surface of the slider at the right side is fixedly provided with a second L-shaped limiting frame, thereby solving the problem that when the traditional, and the problem that the hook is seriously abraded to cause certain potential safety hazard is caused.

Description

Device for preventing bridge crane lifting hook from shaking

Technical Field

The utility model relates to a hoist technical field, concrete field is a device that prevents bridge crane lifting hook and rock.

Background

The hoisting and shaking are a very extensive word and are often found in many fields. It is generally understood that a front-to-back sway of a suspended heavy load is a well-understood meaning. In fact, in a broad sense, the front and back swinging of all the lifted cargoes can be called hoisting and swinging.

Among the present hoist, usually including the supporting component and with by hoist and mount thing matched with hoist, the hoist has been arranged on the supporting part, the lifting hook has been arranged on the hoist, wire rope on the hoist passes the lifting hook on the hoist, when the hoist starts to begin to receive line or unwrapping wire, wire rope drives the hoist and risees or descends, and then realize the hoist and mount of article, at present, traditional type lifting hook is when hoist and mount article, because focus skew or wire rope slope, lead to the lifting hook to rotate, thereby make article rotation or swing that does not stop in the air, and cause the lifting hook wearing and tearing serious, cause certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent device that bridge crane lifting hook rocked 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: a device for preventing a lifting hook of a bridge crane from shaking comprises a supporting shell, wherein a supporting block is fixedly arranged on the upper surface of the supporting shell, a sliding groove is formed in the lower surface of the supporting block, sliding blocks are symmetrically and movably arranged in the sliding groove in a bilateral mode, a positive and negative screw threaded rod is rotatably arranged at the upper end of the right side wall of an inner cavity of the supporting shell, the outer surface of the positive and negative screw threaded rod is in threaded connection with the sliding block, a motor is fixedly arranged at the upper end of the left side wall of the inner cavity of the supporting shell, the output end of the motor is fixedly connected with the left end of the positive and negative screw threaded rod, a first L-shaped limiting frame is fixedly arranged on the lower surface of the sliding block at the left side, a second L-shaped limiting frame is fixedly arranged on the lower surface of the sliding block at the right side, a lifting, the upper end fixed mounting of lifting hook has the disc, the lateral wall of disc is the annular and is equipped with the spacing hole of a plurality of, the lateral wall lower extreme of lifting hook is the even fixed mounting of annular and has the fixed block, equal fixed mounting has the link on the fixed block, the inside wall lower extreme of support shell is annular fixed mounting and has the steel wire line, the equal fixed mounting of one end of steel wire line has the couple, and motor and external power electricity are connected.

Preferably, the lifting hook is fixedly provided with an anti-slip rubber sleeve.

Preferably, the surface of the ball is coated with a lubricating oil.

Preferably, the folding corners of the first L-shaped limiting frame and the second L-shaped limiting frame are provided with reinforcing ribs.

Preferably, a washer is arranged between the lower surface of the disc and the hook beam.

Preferably, operating handles are fixedly mounted on the steel wire and close to the hooks.

Compared with the prior art, the beneficial effects of the utility model are that: a device for preventing a lifting hook of a bridge crane from shaking is provided with a first L-shaped limiting frame, a second L-shaped limiting frame, a limiting hole, a positive and negative screw threaded rod, a sliding block and a sliding chute, wherein the sliding block is driven to move along the sliding chute by the rotation of the positive and negative screw threaded rod, simultaneously drives the first L-shaped limiting frame and the second L-shaped limiting frame to move oppositely until the first L-shaped limiting frame and the second L-shaped limiting frame are inserted into the limiting hole for use, the upper end of the lifting hook is fixed and limited, a steel wire line, a hanging ring and a hook are arranged, and the hook and the hanging ring are matched for use, the lower end of the lifting hook is fixed and limited, and is provided with the ball to be contacted with the lifting hook, thereby reducing the abrasion of the lifting hook, solving the problems that when the traditional lifting hook is used for lifting articles, the gravity center is deviated or the steel wire rope inclines, so that the lifting hook rotates, articles rotate or swing ceaselessly in the air, the lifting hook is seriously abraded, and certain potential safety hazards are caused.

Drawings

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

FIG. 2 is a schematic structural view of the cross-sectional front view of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of a main view section state of the present invention.

In the figure: 1-supporting shell, 2-supporting block, 3-chute, 4-sliding block, 5-positive and negative screw rod, 6-motor, 7-first L-shaped limiting frame, 8-second L-shaped limiting frame, 9-lifting hook beam, 10-through hole, 11-lifting hook, 12-ball, 13-disc, 14-limiting hole, 15-fixing block, 16-hanging ring, 17-steel wire, 18-hook, 19-anti-slip rubber sleeve, 20-gasket and 21-operating handle.

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, the present invention provides a technical solution: a device for preventing a lifting hook of a bridge crane from shaking, please refer to fig. 1, which comprises a supporting shell 1, wherein the supporting shell 1 is used for supporting a lifting hook 18, the upper end of the supporting shell 1 is connected through a lifting rope to move the lifting hook 18 up and down, the upper surface of the supporting shell 1 is fixedly provided with a supporting block 2, the supporting block 2 is used for limiting the movement of a sliding block 4, please refer to fig. 2, the lower surface of the supporting block 2 is provided with a sliding chute 3, the sliding block 4 is movably arranged in the sliding chute 3 in a bilateral symmetry manner, the sliding block 4 moves along the sliding chute 3, so that the sliding block 4 is ensured to move stably and limited, the sliding block 4 is ensured to move linearly under the action of a positive and negative threaded rod 5, the upper end of the right side wall of an inner cavity of the supporting shell 1 is rotatably provided with the positive and negative threaded rod 5, the positive and negative threaded rods 5 are opposite threads on the, the outer surface of the positive and negative screw threaded rod 5 is in threaded connection with the sliding block 4, the upper end of the left side wall of the inner cavity of the supporting shell 1 is fixedly provided with a motor 6, the motor 6 provides rotating power for the positive and negative screw threaded rod 5, the model is Y90S-2, the output end of the motor 6 is fixedly connected with the left end of the positive and negative screw threaded rod 5, the lower surface of the sliding block 4 on the left side is fixedly provided with a first L-shaped limiting frame 7, the first L-shaped limiting frame 7 and a second L-shaped limiting frame 8 fix and limit the lifting hook 11 to avoid the lifting hook 11 from shaking, the lower surface of the sliding block 4 on the right side is fixedly provided with a second L-shaped limiting frame 8, the inner cavity of the supporting shell 1 is fixedly provided with a lifting hook cross beam 9, the lifting hook cross beam 9 is used for supporting the lifting hook 11, please refer to figure 3, the lifting hook cross, the abrasion to the lifting hook 11 is reduced through the contact between the ball 12 and the lifting hook 11, meanwhile, the disc 13 is fixedly arranged at the upper end of the lifting hook 11, the outer side wall of the disc 13 is annularly provided with a plurality of limit holes 14, the lifting hook 11 is fixedly limited through the matching use of the first L-shaped limit frame 7 and the second L-shaped limit frame 8 with the limit holes 14 respectively, the lower end of the outer side wall of the lifting hook 11 is annularly and uniformly and fixedly provided with the fixed blocks 15, the number of the fixed blocks 15 is 4, the number of the steel wire lines 17 is 4, please refer to figure 4, the lifting hook 11 is fixed through the matching use of the hook 18 on the steel wire line 17 and the hanging ring 16, the phenomenon that the lifting hook 11 for transporting objects shakes is avoided, the danger is caused, the service life of the lifting hook 11 is prolonged, the hanging ring 16 is fixedly arranged on the fixed block 15, the lower end of the inner side wall of the supporting, one end of the steel wire 17 is fixedly provided with a hook 18, and the motor 6 is electrically connected with an external power supply.

Specifically, the hook 11 is fixedly provided with an anti-slip rubber sleeve 19, which increases the friction between the object and the hook 11.

Specifically, the surface of the ball 12 is coated with lubricating oil, reducing the frictional force between the hook 11 and the ball 12.

Specifically, the folding corners of the first L-shaped limiting frame 7 and the second L-shaped limiting frame 8 are provided with reinforcing ribs, so that the supporting strength of the first L-shaped limiting frame 7 and the second L-shaped limiting frame 8 is increased.

Specifically, a washer 20 is provided between the lower surface of the disc 13 and the hook beam 9.

Specifically, the steel wire 17 is fixedly provided with an operating handle 21 near the hook 18, so that the steel wire 17 can be operated conveniently.

The working principle is as follows: the utility model relates to a device for preventing the lifting hook of a bridge crane from shaking, when the device is used, as shown in the attached figure 2 of the specification, a lifting rope moves up and down a supporting shell 1 to separate a hook 18 from a hanging ring 16, an object is lifted on a lifting hook 11, then the hook 18 and the hanging ring 16 are respectively matched for use, a motor 6 is started, the motor 6 rotates to drive a positive and negative screw threaded rod 5 to rotate, namely to drive a first L-shaped limiting frame 7 and a second L-shaped limiting frame 8 to move oppositely, the linear motion of the first L-shaped limiting frame 7 and the second L-shaped limiting frame 8 is ensured under the action of a chute 3, when the first L-shaped limiting frame 7 and the second L-shaped limiting frame 8 are respectively spliced and matched with a limiting hole 14, the upper end of the lifting hook 11 is fixed and limited, namely, as shown in the attached figure 4 of the specification, the device has simple structure and convenient use, and avoids the shaking of the lifting hook 11, not only guarantees the security, has less simultaneously to lifting hook 11 wearing and tearing, the practicality is strong.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 (6)

1. The utility model provides a prevent device that bridge crane lifting hook rocked, includes support shell (1), its characterized in that: the supporting device is characterized in that a supporting block (2) is fixedly arranged on the upper surface of the supporting shell (1), a sliding groove (3) is formed in the lower surface of the supporting block (2), sliding blocks (4) are symmetrically and movably arranged in the sliding groove (3), a positive and negative screw threaded rod (5) is rotatably arranged at the upper end of the right side wall of an inner cavity of the supporting shell (1), the outer surface of the positive and negative screw threaded rod (5) is in threaded connection with the sliding blocks (4), a motor (6) is fixedly arranged on the upper end of the left side wall of the inner cavity of the supporting shell (1), the output end of the motor (6) is fixedly connected with the left end of the positive and negative screw threaded rod (5), a first L-shaped limiting frame (7) is fixedly arranged on the lower surface of the sliding block (4) on the left side, a second L-shaped limiting frame (8) is fixedly arranged on, be equipped with through-hole (10) on lifting hook crossbeam (9), lifting hook (11) are run through in through-hole (10) internalization, the inside wall activity embedding of through-hole (10) has a plurality of ball (12), the upper end fixed mounting of lifting hook (11) has disc (13), the lateral wall of disc (13) is the annular and is equipped with the spacing hole of a plurality of (14), the lateral wall lower extreme of lifting hook (11) is the even fixed mounting of annular and has fixed block (15), equal fixed mounting has link (16) on fixed block (15), the inside wall lower extreme that supports shell (1) is annular fixed mounting and has steel wire line (17), the equal fixed mounting of one end of steel wire line (17) has couple (18), and motor (6) and external power electricity are connected.

2. The device for preventing the lifting hook of the bridge crane from shaking as claimed in claim 1, wherein: and an anti-skid rubber sleeve (19) is fixedly arranged on the lifting hook (11).

3. The device for preventing the lifting hook of the bridge crane from shaking as claimed in claim 1, wherein: the surface of the ball (12) is coated with lubricating oil.

4. The device for preventing the lifting hook of the bridge crane from shaking as claimed in claim 1, wherein: and reinforcing ribs are arranged at the corners of the first L-shaped limiting frame (7) and the second L-shaped limiting frame (8).

5. The device for preventing the lifting hook of the bridge crane from shaking as claimed in claim 1, wherein: and a gasket (20) is arranged between the lower surface of the disc (13) and the hook cross beam (9).

6. The device for preventing the lifting hook of the bridge crane from shaking as claimed in claim 1, wherein: and operating handles (21) are fixedly arranged on the steel wire (17) and close to the hooks (18).

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