CN215666796U

CN215666796U - A crawler crane counterweight placement structure

Info

Publication number: CN215666796U
Application number: CN202022773370.2U
Authority: CN
Inventors: 熊甸
Original assignee: Wuhan Huali Mechanical Casting Co ltd
Current assignee: Wuhan Huali Mechanical Casting Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2022-01-28
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a counterweight placement structure for a crawler crane. The rods are fixedly connected with a counterweight, the inner side of the frame body is provided with a guide assembly, and the frame body is provided with a drive assembly for moving the sliding sleeve. The design of the utility model is reasonable. By setting the drive assembly, the servo motor drives the fixing rod to rotate, and under the action of the thread groove, the fixing cylinder moves horizontally on the frame body, and then the sliding sleeve and the connecting rod together drive the counterweight to move horizontally. Moving in the direction, the position of the counterweight can be changed according to the actual situation, and the lever principle can be used to adjust the hoisting load of the crane according to the actual needs, so as to make more use of people's construction.

Description

Crawler crane counter weight mounting structure

Technical Field

The utility model relates to the technical field of crawler cranes, in particular to a counterweight mounting structure of a crawler crane.

Background

The crawler crane is a self-propelled crane for high-rise building construction and a movable arm rotary crane walking by using a crawler, has large crawler grounding area, good trafficability and strong adaptability, can walk with load, and is suitable for hoisting operation of building sites.

At present, the crawler crane at home and abroad adopts a fixed rear counterweight or a super-lifting counterweight to complete the whole machine stability when hoisting a heavy object, and the fixed counterweight has the defects that the hoisting load is relatively small and the position of a counterweight block cannot be adjusted according to actual conditions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a counterweight installation structure of a crawler crane.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a crawler crane counter weight arrangement structure, includes the support body, sliding connection has the sliding sleeve on the support body, two connecting rods of the downside symmetry fixedly connected with of sliding sleeve, two the common fixedly connected with balancing weight of connecting rod, the inboard of support body is equipped with the direction subassembly, be equipped with the drive assembly who is used for the sliding sleeve to remove on the support body.

Preferably, the direction subassembly includes a plurality of mount pads of fixed connection top in the sliding sleeve, and is a plurality of all rotate on the mount pad and be connected with the walking wheel, the upside of support body is equipped with and supplies a plurality of gliding guide rails of walking wheel.

Preferably, drive assembly is including setting up at support body upside opening, open-ended inboard fixedly connected with servo motor, two dead levers of fixedly connected with on servo motor's the output shaft, the cover is equipped with fixed cylinder on the support body, the inboard of fixed cylinder is equipped with the thread groove, two the one end that servo motor output shaft was kept away from to the dead lever is all inserted and is established in the thread groove.

Preferably, sliding connection is adopted between the fixed cylinder and the frame body, and the fixed cylinder is fixedly connected to the sliding sleeve.

Preferably, the support body is cylindric setting, the one end fixedly connected with dog that the sliding sleeve was kept away from to the support body.

Preferably, the downside of support body is equipped with the stopper, fixed section of thick bamboo is the setting of falling C form.

The utility model has the following beneficial effects:

1. the fixing rod is driven to rotate by the servo motor through the driving assembly, the fixing rod rotates in the thread groove, due to the fact that lines in the thread groove are arranged in an inclined mode, when the fixing rod rotates in the same direction, the fixing cylinder can be driven to move in one direction, the fixing cylinder drives the sliding sleeve to horizontally move on the frame body, the sliding sleeve drives the balancing weight to move through the connecting rod, and the purpose that the crane adapts to more loads is achieved by adjusting the position of the balancing weight through the lever principle;

2. through setting up the direction subassembly, the sliding sleeve motion drives the walking wheel through the mount pad and slides in the guide rail to reach the effect that reduces sliding sleeve frictional resistance, avoid the sliding sleeve to place for a long time, lead to sliding sleeve and frame contact surface to rust, thereby bring inconvenience for the removal of balancing weight.

Drawings

FIG. 1 is a schematic structural view of a counterweight mounting structure of a crawler crane according to the present invention;

FIG. 2 is a schematic view of a partial side view of a frame body;

fig. 3 is a partial side view of the guide assembly.

In the figure: the device comprises a frame body 1, a stop block 2, a sliding sleeve 3, a connecting rod 4, a balancing weight 5, a mounting seat 6, a walking wheel 7, a guide rail 8, a servo motor 9, a fixing rod 10, a fixing barrel 11, a thread groove 12, a limiting block 13, a guide pillar 14 and an opening 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a crawler crane counter weight arrangement structure, includes support body 1, sliding connection has sliding sleeve 3 on support body 1, and two connecting rods 4 of the downside symmetry fixedly connected with of sliding sleeve 3, the common fixedly connected with balancing weight 5 of two connecting rods 4, the inboard of support body 1 is equipped with the direction subassembly, is equipped with the drive assembly who is used for sliding sleeve 3 to remove on support body 1.

The direction subassembly includes a plurality of mount pads 6 of fixed connection top in sliding sleeve 3, all rotate on a plurality of mount pads 6 and be connected with walking wheel 7, the upside of support body 1 is equipped with and supplies a plurality of gliding guide rails 8 of

walking wheel

7, 3 movements of sliding sleeve drive walking wheel 7 through mount pad 6 and slide in guide rail 8, thereby reach the effect that reduces 3 frictional resistance of sliding sleeve, avoid sliding sleeve 3 to place for a long time, lead to sliding sleeve 3 and support body 1's contact surface to rust, thereby bring inconvenience for the removal of balancing weight 5.

The driving assembly comprises an opening 15 arranged at the upper side of the frame body 1, a servo motor 9 is fixedly connected at the inner side of the opening 15, two fixing rods 10 are fixedly connected on an output shaft of the servo motor 9, a fixing cylinder 11 is sleeved on the frame body 1, a thread groove 12 is arranged at the inner side of the fixing cylinder 11, one ends of the two fixing rods 10 far away from the output shaft of the servo motor 9 are inserted in the thread groove 12, the fixing rod 10 is driven by the servo motor 9 to rotate, the fixing rod 10 rotates and rotates in the thread groove 12, because the lines in the thread groove 12 are inclined, when the fixing rod 10 is rotated in the same direction, can drive a fixed section of thick bamboo 11 to a direction motion, a fixed section of thick bamboo 11 drives sliding sleeve 3 at support body 1 upper horizontal motion, and sliding sleeve 3 drives balancing weight 5 through connecting rod 4 and moves, utilizes lever principle, reaches the purpose that the hoist adapts to more loads through the position of adjusting balancing weight 5.

A sliding connection is arranged between the fixed cylinder 11 and the frame body 1, and the fixed cylinder 11 is fixedly connected on the sliding sleeve 3.

Support body 1 is cylindric setting, and the one end fixedly connected with dog 2 of sliding sleeve 3 is kept away from to support body 1, avoids sliding sleeve 3 from support body 1 roll-off.

The downside of support body 1 is equipped with stopper 13, and fixed section of thick bamboo 11 is the setting of falling C form, makes fixed section of thick bamboo 11 the condition that can not take place to deflect when the horizontal motion under stopper 13's effect.

According to the utility model, a switch of the servo motor 9 is turned on, an output shaft of the servo motor 9 rotates to drive the two fixing rods 10 to rotate, the rotating process of the fixing rods 10 is abutted against the thread groove 12, the grains in the thread groove 12 are obliquely arranged, and the fixing rods 10 can drive the fixing barrel 11 to move when rotating in the same direction, so that the purpose that the fixing barrel 11 drives the sliding sleeve 3 to horizontally move is realized, the sliding sleeve 3 drives the two connecting rods 4 to move, the two connecting rods 4 drive the balancing weight 5 to move, and the load loaded by the crane can be changed according to actual conditions by changing the position of the balancing weight 5, so that the adaptability of the crane is stronger.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A crawler crane counterweight placement structure, comprising a frame body (1), characterized in that a sliding sleeve (3) is slidably connected on the frame body (1), and the lower side of the sliding sleeve (3) is symmetrical Two connecting rods (4) are fixedly connected, and a counterweight block (5) is fixedly connected to the two connecting rods (4). 1) is provided with a drive assembly for the movement of the sliding sleeve (3).

2 . The counterweight placement structure of a crawler crane according to claim 1 , wherein the guide assembly comprises a plurality of mounting seats ( 6 ) fixedly connected to the inner top of the sliding sleeve ( 3 ). The mounting bases (6) are rotatably connected with traveling wheels (7), and the upper side of the frame body (1) is provided with guide rails (8) for sliding the plurality of traveling wheels (7).

3 . The counterweight placement structure of a crawler crane according to claim 1 , wherein the drive assembly comprises an opening ( 15 ) disposed on the upper side of the frame body ( 1 ), and the inner side of the opening ( 15 ) is fixed. 4 . A servo motor (9) is connected, the output shaft of the servo motor (9) is fixedly connected with two fixing rods (10), and a fixing cylinder (11) is sleeved on the frame body (1), and the fixing The inner side of the cylinder (11) is provided with a threaded groove (12), and one end of the two fixing rods (10) away from the output shaft of the servo motor (9) is inserted into the threaded groove (12).

4 . The counterweight placement structure of a crawler crane according to claim 3 , wherein the fixing cylinder ( 11 ) and the frame body ( 1 ) are slidingly connected, and the fixing cylinder ( 11 ) is fixedly connected. 5 . on the sliding sleeve (3).

5 . The counterweight placement structure of a crawler crane according to claim 1 , wherein the frame body ( 1 ) is arranged in a cylindrical shape, and one end of the frame body ( 1 ) away from the sliding sleeve ( 3 ) is fixed. 6 . A stop (2) is attached.

6 . The counterweight placement structure of a crawler crane according to claim 3 , wherein a limit block ( 13 ) is arranged on the lower side of the frame body ( 1 ), and the fixing cylinder ( 11 ) is inverted C. 7 . state settings.