CN220618143U

CN220618143U - Stable structure for crane lifting appliance

Info

Publication number: CN220618143U
Application number: CN202322258929.1U
Authority: CN
Inventors: 夏崇汉; 曹俊; 朱云雷
Original assignee: LOADWELL CRANES (SHANGHAI) CO Ltd
Current assignee: LOADWELL CRANES (SHANGHAI) CO Ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-19
Anticipated expiration: 2033-08-22

Abstract

The utility model is suitable for the technical field of crane slings and provides a stable structure for a crane sling. The utility model comprises a shell, wherein the upper side and the lower side of the shell are both provided with communication grooves, a lifting appliance is arranged below the shell, the top of the lifting appliance penetrates through the communication grooves and is fixedly connected with a movable plate, the two ends of the movable plate respectively penetrate through a first threaded rod and a limiting rod, the limiting rod is in sliding fit with the movable plate, the two ends of the limiting rod are fixedly connected with the inner wall of the shell, the first threaded rod is in threaded connection with the movable plate, the two ends of the limiting rod are in rotational connection with the inner wall of the shell, the top of the first threaded rod is fixedly connected with the output end of a motor, and the motor is fixedly connected with the inner wall of the shell; a baffle is arranged below the shell, stabilizing mechanisms are arranged at the bottom of the baffle and close to the two ends of the baffle, and the stabilizing mechanisms are in sliding fit with the baffle. The utility model improves the working efficiency of the crane for hoisting objects, avoids the deviation of the object position caused by unstable gravity center when hoisting heavy objects, and ensures the safety and efficiency in the hoisting process.

Description

Stable structure for crane lifting appliance

Technical Field

The utility model relates to the technical field of crane slings, in particular to a stable structure for a crane sling.

Background

A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. The lifting hook is the most common lifting appliance in the lifting machinery, realizes the hooking and hanging of objects, and is convenient for lifting the objects. When lifting heavy objects, the lifting hook is usually in direct contact with the object, because the contact area of the lifting hook and the object is small, when the object is large in volume and irregular in volume or formed by combining a plurality of objects, the lifting hook is used for lifting the object, the center of the object is easy to deviate, the lifting is unstable, potential safety hazards exist, and therefore when lifting, the object and the lifting hook are required to be bound through an external rope or a binding belt, and the object is fixed, but the operation mode is time-consuming and labor-consuming, the normal working efficiency of the crane is influenced, the object is directly limited by a stable structure for the lifting appliance of the crane, and the safety and the efficiency in the lifting process are ensured.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a stable structure for a crane lifting appliance, which improves the working efficiency of a crane for lifting objects, avoids the deviation of the object position caused by unstable gravity center when lifting heavy objects, and ensures the safety and efficiency in the lifting process.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a crane hoist is with stable structure, includes the casing, both sides all open the intercommunication groove about the casing, the casing below is equipped with the hoist, hoist top passes the intercommunication groove and fixedly connected with movable plate, the movable plate both ends have first threaded rod and gag lever post respectively to run through, gag lever post and movable plate sliding fit and both ends all with shells inner wall fixed connection, first threaded rod and movable plate threaded connection and both ends all with shells inner wall rotation connection, first threaded rod top and motor output fixed connection, motor and shells inner wall fixed connection; a baffle is arranged below the shell, stabilizing mechanisms are arranged at the positions, close to two ends, of the bottom of the baffle, and the stabilizing mechanisms are in sliding fit with the baffle; the baffle center department is opened there is with hoist matched with opening, baffle top fixedly connected with symmetry sets up the bracing piece, the bracing piece top runs through to in the casing and with casing sliding fit, one bracing piece top fixedly connected with connecting plate, connecting plate one end threaded connection has the second threaded rod, second threaded rod both ends are connected with shells inner wall rotation and second threaded rod passes through drive mechanism transmission with first threaded rod and is connected.

The utility model further provides that the transmission mechanism comprises a transmission chain, two chain wheels are in transmission fit in the transmission chain, and the two chain wheels are respectively and fixedly sleeved on the first threaded rod and the second threaded rod.

The utility model is further characterized in that the support rod is sleeved with a fixing sleeve, and the fixing sleeve is positioned in the shell and fixedly connected with the inner bottom of the shell.

The utility model further provides that the stabilizing mechanism comprises a transverse plate, the transverse plate is in sliding fit with the baffle, a sliding groove is formed in the bottom of the transverse plate, a third threaded rod is connected in a rotating mode in the sliding groove, one end of the third threaded rod penetrates through the outer side of the transverse plate, and threads with opposite rotation directions are symmetrically arranged on the third threaded rod; two sliding blocks are slidably matched in the sliding groove, the two sliding blocks are in threaded connection with a third threaded rod, and a clamping plate is fixedly connected to the bottom of the sliding block.

The utility model is further characterized in that the top of the transverse plate is fixedly connected with two L-shaped clamping blocks, both sides of the baffle are provided with limiting grooves, one end of each L-shaped clamping block is slidably connected into the adjacent limiting groove, and one end of each L-shaped clamping block is penetrated by a limiting bolt in threaded connection.

The utility model is further characterized in that the top of the moving plate is rotatably connected with two pulleys, and the outer side surfaces of the pulleys are wound with hanging ropes penetrating through the communicating grooves.

The utility model has the advantages that:

1. according to the utility model, the motor drives the first threaded rod to rotate, so that the movable plate drives the lifting tool to move upwards and towards the inside of the shell, and drives the second threaded rod to rotate simultaneously under the cooperation of the transmission mechanism, so that the connecting plate drives the supporting rod to extend out of the shell, and drives the baffle to move downwards, so that the weight lifted by the lifting tool contacts with the baffle and forms an extrusion effect, the lifted weight is always attached to the baffle, the object is limited, and pressure is applied to the object, so that the object is kept stable in lifting, the phenomenon that the object is rocked due to unstable gravity center, and the position of the object is deviated in the lifting process is avoided, the safety of the object lifted by the crane is ensured, the operation is simple, and the lifting efficiency of the crane is greatly improved.

2. According to the utility model, the transverse plate is slid and approaches to the weight lifted by the lifting appliance, then the position of the transverse plate is limited and fixed by the limiting bolt, and the two sliding blocks are driven to approach each other by rotating the third threaded rod, so that the two clamping plates approach each other to clamp the lifted weight, the stability of the lifted object is further improved, and the shaking of the object caused by unstable gravity center is avoided.

Drawings

Fig. 1 is a schematic structural view of a stabilizing structure for a crane sling according to the present utility model.

Fig. 2 is a schematic structural diagram of another view of fig. 1.

Fig. 3 is a schematic view of a partial cross-sectional structure of the housing in fig. 1.

Fig. 4 is a schematic structural view of another view of fig. 3.

Fig. 5 is a schematic structural view of a baffle, support rod and connection plate combination.

Fig. 6 is a schematic structural view of the stabilizing mechanism.

Fig. 7 is a schematic view of the structure of fig. 6 from another view angle.

In the figure: 1. a housing; 101. a communication groove; 2. a lifting appliance; 3. a moving plate; 4. a first threaded rod; 5. a limit rod; 6. a motor; 7. a baffle; 701. an opening; 702. a limit groove; 8. a stabilizing mechanism; 9. a support rod; 10. a connecting plate; 11. a second threaded rod; 12. a transmission mechanism; 13. a drive chain; 14. a sprocket; 15. a fixed sleeve; 16. a cross plate; 161. a chute; 17. a third threaded rod; 18. a slide block; 19. a clamping plate; 20. an L-shaped clamping block; 21. a limit bolt; 22. a pulley; 23. a lifting rope.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Embodiment one:

referring to fig. 1-7, the present utility model provides the following technical solutions:

the utility model particularly relates to a crane hoist stabilizing structure, which comprises a housin 1, the intercommunication groove 101 has all been opened to casing 1 upper and lower both sides, casing 1 below is equipped with hoist 2, hoist 2 top passes intercommunication groove 101 and fixedly connected with movable plate 3, hoist 2 includes connecting seat and lifting hook, connecting seat and movable plate 3 fixed connection, the connecting seat bottom is connected with the lifting hook rotation, movable plate 3 top rotates and is connected with two pulleys 22, it has the mounting groove with pulley 22 looks adaptation to open on the movable plate 3, pulley 22 lateral surface twines has the lifting rope 23 that passes intercommunication groove 101, drive hoist 2 through extension and shortening of lifting rope 23 goes up and down, movable plate 3 both ends have respectively threaded rod 4 and gag lever post 5, gag lever post 5 and movable plate 3 sliding fit and both ends all with casing 1 inner wall fixed connection, first threaded rod 4 and movable plate 3 threaded connection and both ends all with casing 1 inner wall rotation connection, first threaded rod 4 top and motor 6 output end fixed connection, motor 6 and casing 1 inner wall fixed connection; a baffle 7 is arranged below the shell 1, stabilizing mechanisms 8 are arranged at the positions, close to two ends, of the bottom of the baffle 7, and the stabilizing mechanisms 8 are in sliding fit with the baffle 7; an opening 701 matched with the lifting appliance 2 is formed in the center of the baffle 7, the lifting appliance 2 can move into the shell 1 through the opening 701, support rods 9 which are symmetrically arranged are fixedly connected to the top of the baffle 7, the top ends of the support rods 9 penetrate into the shell 1 and are in sliding fit with the shell 1, corresponding through holes are formed in the shell 1, a connecting plate 10 is fixedly connected to the top of one support rod 9, one end of the connecting plate 10 is in threaded connection with a second threaded rod 11, two ends of the second threaded rod 11 are in rotary connection with the inner wall of the shell 1, and the second threaded rod 11 is in transmission connection with the first threaded rod 4 through a transmission mechanism 12; the first threaded rod 4 is driven to rotate through the motor 6, the movable plate 3 drives the lifting tool 2 to move upwards and towards the inside of the shell 1, and drives the second threaded rod 11 to rotate simultaneously under the cooperation of the transmission mechanism 12, so that the connecting plate 10 drives the supporting rod 9 to extend out of the shell 1, the baffle 7 is driven to move downwards, the weight lifted by the lifting tool 2 contacts with the baffle 7 and forms an extrusion effect, the lifted weight is always attached to the baffle 7, the object is limited, pressure is applied to the object, the object is kept stable, the object shaking caused by unstable gravity center is avoided, the position of the object in the lifting process is offset, the safety of the object lifted by the crane is guaranteed, the operation is simple, and the lifting efficiency of the crane is greatly improved.

As shown in fig. 3 and 4, the transmission mechanism 12 includes a transmission chain 13, two sprockets 14 are in transmission fit in the transmission chain 13, the two sprockets 14 are respectively and fixedly sleeved on the first threaded rod 4 and the second threaded rod 11, when the first threaded rod 4 rotates, one sprocket 14 is driven to rotate, so that the transmission chain 13 drives the other sprocket 14 to rotate, and then the second threaded rod 11 is driven to rotate simultaneously.

As shown in fig. 3, the support rod 9 is sleeved with a fixing sleeve 15, and the fixing sleeve 15 is located in the casing 1 and fixedly connected with the inner bottom of the casing 1, so that the vertical movement stability of the support rod 9 is improved.

As shown in fig. 3, 6 and 7, the stabilizing mechanism 8 comprises a transverse plate 16, the transverse plate 16 is in sliding fit with the baffle 7, a chute 161 is formed in the bottom of the transverse plate 16, a third threaded rod 17 is connected in a rotary manner to the chute 161, one end of the third threaded rod 17 penetrates to the outer side of the transverse plate 16, and threads with opposite rotation directions are symmetrically arranged on the third threaded rod 17; the two sliding blocks 18 are slidably matched in the sliding groove 161, the two sliding blocks 18 are in threaded connection with the third threaded rod 17, the bottom of the sliding block 18 is fixedly connected with the clamping plate 19, and the clamping plate 19 can be of an arc-shaped structure, so that the practicability is improved; two L-shaped clamping blocks 20 are fixedly connected to the top of the transverse plate 16, limiting grooves 702 are formed in two sides of the baffle 7, one end of each L-shaped clamping block 20 is slidably connected into the adjacent limiting groove 702, and a limiting bolt 21 in threaded connection penetrates through one end of each L-shaped clamping block 20; the weight lifted by sliding the transverse plate 16 and approaching to the lifting appliance is limited and fixed by utilizing the limiting bolt 21, and the two sliding blocks 18 are driven to be close to each other by rotating the third threaded rod 17, so that the two clamping plates 19 are close to each other to clamp the lifted weight, the stability of the lifted object is further improved, and the shaking of the object caused by unstable gravity center is avoided.

The working principle of this embodiment is as follows: the first threaded rod 4 is driven to rotate through the motor 6, the movable plate 3 drives the lifting appliance 2 to move upwards and towards the inside of the shell 1, and drives the second threaded rod 11 to rotate simultaneously under the cooperation of the transmission mechanism 12, the connecting plate 10 drives the supporting rod 9 to extend out of the shell 1, the baffle 7 is driven to move downwards, the heavy object lifted by the lifting appliance 2 contacts with the baffle 7 and forms an extrusion effect, accordingly, the lifted heavy object is always attached to the baffle 7, the object is limited, pressure is applied to the object, the object is kept stable in lifting, then the position of the transverse plate 16 is limited and fixed by the sliding transverse plate 16, and then the position of the transverse plate 16 is limited and fixed by the limiting bolt 21, the two sliding blocks 18 are driven to be close to each other by rotating the third threaded rod 17, so that the two clamping plates 19 are close to each other to clamp the lifted heavy object, the stability of the lifted object is further improved, the position of the lifted object is prevented from being deviated due to unstable gravity center, the object is ensured to be safely lifted, the lifting efficiency of the crane is greatly improved.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a crane hoist is with stable structure, includes casing (1), its characterized in that:

the lifting device is characterized in that the upper side and the lower side of the shell (1) are respectively provided with a communication groove (101), a lifting appliance (2) is arranged below the shell (1), the top of the lifting appliance (2) penetrates through the communication grooves (101) and is fixedly connected with a movable plate (3), two ends of the movable plate (3) are respectively penetrated by a first threaded rod (4) and a limiting rod (5), the limiting rods (5) are in sliding fit with the movable plate (3) and are fixedly connected with the inner wall of the shell (1), the first threaded rod (4) is in threaded connection with the movable plate (3) and the two ends of the first threaded rod are in rotational connection with the inner wall of the shell (1), the top of the first threaded rod (4) is fixedly connected with the output end of a motor (6), and the motor (6) is fixedly connected with the inner wall of the shell (1).

A baffle (7) is arranged below the shell (1), stabilizing mechanisms (8) are arranged at the positions, close to two ends, of the bottom of the baffle (7), and the stabilizing mechanisms (8) are in sliding fit with the baffle (7);

the utility model discloses a lifting appliance is characterized in that an opening (701) matched with a lifting appliance (2) is formed in the center of a baffle (7), support rods (9) are symmetrically arranged at the top of the baffle (7), the top ends of the support rods (9) penetrate into a shell (1) and are in sliding fit with the shell (1), one connecting plate (10) is fixedly connected to the top of the support rods (9), a second threaded rod (11) is connected to one end of the connecting plate (10) through threads, two ends of the second threaded rod (11) are rotationally connected with the inner wall of the shell (1), and the second threaded rod (11) is in transmission connection with a first threaded rod (4) through a transmission mechanism (12).

2. The stabilizing structure for crane sling according to claim 1, wherein the transmission mechanism (12) comprises a transmission chain (13), two chain wheels (14) are in transmission fit in the transmission chain (13), and the two chain wheels (14) are respectively fixedly sleeved on the first threaded rod (4) and the second threaded rod (11).

3. The stabilizing structure for crane sling according to claim 1, wherein the supporting rod (9) is sleeved with a fixing sleeve (15), and the fixing sleeve (15) is positioned in the shell (1) and fixedly connected with the inner bottom of the shell (1).

4. The stabilizing structure for the crane sling according to claim 1, wherein the stabilizing mechanism (8) comprises a transverse plate (16), the transverse plate (16) is in sliding fit with the baffle plate (7), a chute (161) is formed in the bottom of the transverse plate (16), a third threaded rod (17) is rotationally connected to the chute (161), one end of the third threaded rod (17) penetrates through the outer side of the transverse plate (16), and threads with opposite rotation directions are symmetrically arranged on the third threaded rod (17);

two sliding blocks (18) are slidably matched in the sliding groove (161), the two sliding blocks (18) are in threaded connection with a third threaded rod (17), and a clamping plate (19) is fixedly connected to the bottom of the sliding block (18).

5. The stabilizing structure for crane sling according to claim 4, wherein two L-shaped clamping blocks (20) are fixedly connected to the top of the transverse plate (16), limiting grooves (702) are formed in two sides of the baffle (7), one end of each L-shaped clamping block (20) is slidably connected to the adjacent limiting groove (702), and a limiting bolt (21) in threaded connection penetrates through one end of each L-shaped clamping block (20).

6. The stabilizing structure for crane sling according to claim 1, wherein the top of the moving plate (3) is rotatably connected with two pulleys (22), and a lifting rope (23) passing through the communicating groove (101) is wound on the outer side surface of each pulley (22).