CN219326513U

CN219326513U - Crane operation limiting device

Info

Publication number: CN219326513U
Application number: CN202320766155.0U
Authority: CN
Inventors: 孟恺; 王晓林; 张华文
Original assignee: LIAONING ACADEMY OF SAFETY SCIENCE
Current assignee: LIAONING ACADEMY OF SAFETY SCIENCE
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-07-11
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a crane operation limiting device, which relates to the technical field of crane limiting, and provides a scheme that the crane operation limiting device comprises a bottom plate and a limiting mechanism arranged above the bottom plate, wherein the limiting mechanism comprises a supporting component and a limiting component; the support assembly comprises a mounting column, a stabilizing mechanism, a first spring and a damper, wherein the mounting column is arranged above the bottom plate, the stabilizing mechanism is arranged on the side of the mounting column, the first spring is arranged at the rear of the mounting column, and the damper is arranged in the first spring; through setting up the loop bar and outside the removal of horizontal pole for the loop bar can translate through the inside of horizontal pole at the device, will extrude the horizontal pole between the in-process loop bar of translation, and the horizontal pole also can apply outside power to the motion between the loop bar simultaneously, just can support the installing frame of stabilizing mean top, improves the shock resistance of device, makes things convenient for the device to use.

Description

Crane operation limiting device

Technical Field

The utility model relates to the technical field of crane limiting, in particular to a crane operation limiting device.

Background

The crane is a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, which is also called crown block, aerial crane and crane, and is mainly characterized in that: the travelling cab and the lifting control room are integrated and evolved by the crawler crane, the crawler and the travelling support part of the travelling mechanism are changed into a chassis with tires, the defect that the crawler plate of the crawler crane (crawler crane) damages the road surface is overcome, the device belongs to material handling machinery, and the crane needs to be provided with a limiting device for protecting the driver and the machine in order to maintain the safety of the driver and the machine in the use process.

The existing limiting device is insufficient in anti-seismic performance in the use process, so that safety is insufficient in use, and the crane is required to operate the limiting device.

Disclosure of Invention

The utility model aims to provide a crane operation limiting device, which solves the problem that the existing limiting device in the prior art is insufficient in anti-seismic performance in the use process, so that the safety is insufficient in the use process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the crane operation limiting device comprises a bottom plate and a limiting mechanism arranged above the bottom plate, wherein the limiting mechanism comprises a supporting component and a limiting component;

the support assembly comprises a mounting column, a stabilizing mechanism, a first spring and a damper, wherein the mounting column is arranged above the bottom plate, the stabilizing mechanism is arranged on the side of the mounting column, the first spring is arranged at the rear of the mounting column, and the damper is arranged in the first spring;

the limiting assembly comprises a mounting frame, an inner shaft body, a push-pull rod, mounting blocks, mounting rods, contacts and a guide pipe, wherein the mounting frame is mounted above the stabilizing mechanism, the inner shaft body is mounted in the mounting frame, the push-pull rod is mounted on the surface of the inner shaft body, the mounting blocks are mounted on the left side and the right side of the mounting frame, the mounting rods are mounted above the mounting frame, the contacts are mounted on the left end and the right end of the mounting rods, and the guide pipe is mounted behind the contacts.

Preferably, the right side of the guide pipe is provided with a bottom box, a mounting bolt is arranged above the bottom box, and a top box is arranged above the mounting bolt.

Preferably, the stabilizing mean includes fixed column, horizontal pole, loop bar, second spring, first pivot, diagonal bar, second pivot and fixed plate, the horizontal pole is installed on the right side of fixed column, and the externally mounted of horizontal pole has the loop bar, the second spring is installed on the right side of loop bar, and the top of loop bar installs first pivot, the diagonal bar is installed to the top of first pivot, and the top of diagonal bar installs the second pivot, the fixed plate is installed at the top of second pivot.

Preferably, the loop bars form a translation structure through the cross bars, and the loop bars form a pressing structure through the second springs.

Preferably, the inclined rod forms a rotating structure through the first rotating shaft and the loop bar, and forms a rotating structure through the second rotating shaft and the fixed plate.

Preferably, the mounting block and the bottom plate form a pressing structure through the cooperation between the first spring and the damper, and the mounting block and the mounting frame are mutually fixed.

Preferably, the horizontal heights between the push-pull rod and the contacts are equal, and the contacts are symmetrical about the central line of the mounting rod.

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

through setting up the loop bar and outside the removal of horizontal pole for the loop bar can translate through the inside of horizontal pole at the device, will extrude the horizontal pole between the in-process loop bar of translation, and the horizontal pole also can apply outside power to the motion between the loop bar simultaneously, just can support the installing frame of stabilizing mean top, improves the shock resistance of device, makes things convenient for the device to use.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a crane operation limiting device according to the present utility model;

FIG. 2 is a schematic diagram of the overall cross-sectional structure of the crane travel limiting device according to the present utility model;

FIG. 3 is a schematic view of a pressure-bearing frame structure of a crane operation limiting device according to the present utility model;

fig. 4 is a schematic diagram of a cross-sectional structure of a pressure-bearing frame of a crane operation limiting device according to the present utility model.

In the figure: 1. a bottom plate; 2. a mounting column; 3. a stabilizing mechanism; 301. fixing the column; 302. a cross bar; 303. a loop bar; 304. a second spring; 305. a first rotating shaft; 306. a diagonal rod; 307. a second rotating shaft; 308. a fixing plate; 4. a mounting frame; 5. an inner shaft body; 6. a push-pull rod; 7. a mounting block; 8. a first spring; 9. a damper; 10. a mounting rod; 11. a contact; 12. a conduit; 13. a bottom box; 14. installing a bolt; 15. and (5) a top box.

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.

Example 1

As shown in fig. 1-3, the crane operation limiting device in the drawing comprises a bottom plate 1 and a limiting mechanism arranged above the bottom plate 1, wherein the limiting mechanism comprises a supporting component and a limiting component;

the support assembly comprises a mounting column 2, a stabilizing mechanism 3, a first spring 8 and a damper 9, wherein the mounting column 2 is arranged above the bottom plate 1, the stabilizing mechanism 3 is arranged on the side of the mounting column 2, the first spring 8 is arranged at the rear of the mounting column 2, and the damper 9 is arranged in the first spring 8;

the limiting component comprises a mounting frame 4, an inner shaft body 5, a push-pull rod 6, a mounting block 7, a mounting rod 10, contacts 11 and a guide pipe 12, wherein the mounting frame 4 is mounted above the stabilizing mechanism 3, the inner shaft body 5 is mounted inside the mounting frame 4, the push-pull rod 6 is mounted on the surface of the inner shaft body 5, the mounting block 7 is mounted on the left side and the right side of the mounting frame 4, the mounting rod 10 is mounted above the mounting frame 4, the contacts 11 are mounted on the left end and the right end of the mounting rod 10, and the guide pipe 12 is mounted behind the contacts 11.

A bottom box 13 is mounted on the right side of the guide pipe 12, a mounting bolt 14 is mounted above the bottom box 13, and a top box 15 is mounted above the mounting bolt 14.

The installation piece 7 forms the pressing structure with the bottom plate 1 through the cooperation between first spring 8 and the attenuator 9, and fixes each other between installation piece 7 and the mounting frame 4 to make installation piece 7 improve shock resistance through the cooperation of first spring 8 and attenuator 9, avoid the device to use because vibrations influence device in the use, and the stability that installation piece 7 and mounting frame 4 are fixed each other also can improve the device, make things convenient for the device to use.

The horizontal height between the push-pull rod 6 and the contact 11 is equal, and the contact 11 is symmetrical about the central line of the installation rod 10, so that the push-pull rod 6 can touch the contact 11 on the left side and the right side when running to a limited position in the process of horizontal translation in use, and the main power supply can be cut off through the bottom box 13 in the device when touching, thereby playing a limiting role.

Example two

As shown in fig. 4, this embodiment further describes example 1, the stabilizing mechanism 3 includes a fixed column 301, a cross bar 302, a loop bar 303, a second spring 304, a first rotating shaft 305, an inclined bar 306, a second rotating shaft 307, and a fixed plate 308, the cross bar 302 is installed on the right side of the fixed column 301, the loop bar 303 is installed on the outside of the cross bar 302, the second spring 304 is installed on the right side of the loop bar 303, the first rotating shaft 305 is installed above the loop bar 303, the inclined bar 306 is installed above the first rotating shaft 305, the second rotating shaft 307 is installed above the inclined bar 306, and the fixed plate 308 is installed on the top of the second rotating shaft 307.

Loop bar 303 passes through horizontal pole 302 and constitutes translation structure, and constitutes press structure through second spring 304 between the loop bar 303 to make loop bar 303 can translate through horizontal pole 302 in the inside of device, will extrude horizontal pole 302 between the in-process loop bar 303 of translation, horizontal pole 302 also can exert outside power to the motion between the loop bar 303 simultaneously, just can support the mounting frame 4 of stabilizing mean 3 top, improve the shock resistance of device, make things convenient for the device to use.

The diagonal rod 306 forms a rotating structure through the first rotating shaft 305 and the loop rod 303, and the diagonal rod 306 forms a rotating structure through the second rotating shaft 307 and the fixed plate 308, so that when the installation frame 4 vibrates in the device to move up and down, the diagonal rod 306 is driven to rotate in the device through the second rotating shaft 307, the diagonal rod 306 rotates between the diagonal rod 306 and the loop rod 303 during rotation, then the loop rod 303 translates outside the cross rod 302, the shock resistance of the device is improved, and the device is convenient to use.

When in use, the utility model is characterized in that: the device is installed through the bottom plate 1, then push-pull rod 6 uses the in-process of translating about going on when using, when moving to limiting position, can touch with contact 11 of left and right sides, just cut off the main power supply through end box 13 in the device inside when touching, thereby play limiting displacement, simultaneously in the use, installation piece 7 at installing frame 4 both ends improves shock resistance through the cooperation of first spring 8 and attenuator 9, avoid the device to use because vibrations influence the device in the use, and installation piece 7 and installation frame 4 are fixed each other also improve the stability of device, the convenience device is used, and installation frame 4 will drive down at the inside of device through second pivot 307 when vibrations are carried out in the device, down rod 306 rotates through between down rod 306 and the loop bar 303 when rotating, loop bar 303 translates through horizontal pole 302 in the inside of device, will extrude horizontal pole 302 between the loop bar 303, simultaneously horizontal pole 302 also exerts the motion between the loop bar 303 outwards and improves the stability of device, the device is carried out to the support device to the frame 3, the convenience device is carried out to the stability device.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Crane operation stop device, including bottom plate (1) and install the stop gear in bottom plate (1) top, its characterized in that: the limiting mechanism comprises a supporting component and a limiting component;

the support assembly comprises a mounting column (2), a stabilizing mechanism (3), a first spring (8) and a damper (9), wherein the mounting column (2) is arranged above the bottom plate (1), the stabilizing mechanism (3) is arranged on the side of the mounting column (2), the first spring (8) is arranged at the rear of the mounting column (2), and the damper (9) is arranged in the first spring (8);

the limiting component comprises a mounting frame (4), an inner shaft body (5), a push-pull rod (6), a mounting block (7), a mounting rod (10), contacts (11) and a guide pipe (12), wherein the mounting frame (4) is mounted above the stabilizing mechanism (3), the inner shaft body (5) is mounted in the mounting frame (4), the push-pull rod (6) is mounted on the surface of the inner shaft body (5), the mounting block (7) is mounted on the left side and the right side of the mounting frame (4), the mounting rod (10) is mounted above the mounting frame (4), the contacts (11) are mounted at the left end and the right end of the mounting rod (10), and the guide pipe (12) is mounted behind the contacts (11).

2. The crane travel limiting assembly of claim 1 wherein: the right side of pipe (12) is installed end box (13), and install mounting bolt (14) in the top of end box (13), top box (15) are installed in the top of mounting bolt (14).

3. The crane travel limiting assembly of claim 1 wherein: the stabilizing mean (3) is including fixed column (301), horizontal pole (302), loop bar (303), second spring (304), first pivot (305), diagonal bar (306), second pivot (307) and fixed plate (308), horizontal pole (302) are installed on the right side of fixed column (301), and the externally mounted of horizontal pole (302) has loop bar (303), second spring (304) are installed on the right side of loop bar (303), and first pivot (305) are installed to the top of loop bar (303), diagonal bar (306) are installed to the top of first pivot (305), and second pivot (307) are installed to the top of diagonal bar (306), fixed plate (308) are installed at the top of second pivot (307).

4. A crane travel limit assembly as claimed in claim 3 wherein: the loop bars (303) form a translation structure through the cross bars (302), and pressing structures are formed between the loop bars (303) through the second springs (304).

5. A crane travel limit assembly as claimed in claim 3 wherein: the inclined rod (306) forms a rotating structure through the first rotating shaft (305) and the sleeve rod (303), and the inclined rod (306) forms a rotating structure through the second rotating shaft (307) and the fixed plate (308).

6. The crane travel limiting assembly of claim 1 wherein: the mounting block (7) and the bottom plate (1) form a pressing structure through the cooperation between the first spring (8) and the damper (9), and the mounting block (7) and the mounting frame (4) are mutually fixed.

7. The crane travel limiting assembly of claim 1 wherein: the horizontal heights of the push-pull rod (6) and the contacts (11) are equal, and the contacts (11) are symmetrical about the central line of the mounting rod (10).