CN218988635U

CN218988635U - Novel pull out axle device

Info

Publication number: CN218988635U
Application number: CN202223534078.0U
Authority: CN
Inventors: 王坤; 秦小虎; 付玉琴; 程大众; 王康; 王志明
Original assignee: Xuzhou Heavy Machinery Co Ltd
Current assignee: Xuzhou Heavy Machinery Co Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-09
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a novel shaft pulling device, wherein an arm head clamping groove is formed in the side part of a main arm of the device, and a pin shaft is arranged on an over-lifting device; the arm head clamping groove is connected with the rigging, and the pin shaft is connected with the joint; the rigging is equipped with the dog with connect junction, and the dog is located the mounting groove of joint. The utility model improves the mounting efficiency of the shaft pulling device so as to improve the dismounting convenience of the super-lifting device.

Description

Novel pull out axle device

Technical Field

The utility model relates to the field of shaft pulling devices, in particular to a novel shaft pulling device.

Background

With the continuous development of social science and technology, the requirements on the lifting performance of the crane are continuously improved, and the lifting capacity is improved, so that the weight of a super lifting device and the weight of the whole crane are continuously increased. Based on laws and regulations limiting the running state of the vehicle, the weight of the running state of the vehicle cannot be excessive, and therefore, the super-lift device needs to be frequently detached and installed during the long-distance transfer of the super-tonnage crane. The super-lifting device is connected with the arm support by adopting a pin shaft, and the pin shaft is generally heavy, so that the manual disassembly is inconvenient, the disassembly safety is low, and the pin shaft is disassembled by adopting the shaft pulling device, so that the technical means commonly used at the present stage is adopted.

The existing technical scheme for dismantling the pin shaft is that the main arm is driven to stretch out to drive the shaft pulling device to pull out the shaft. In the traditional shaft pulling process, one end of the shaft pulling device is required to be installed in the pin shaft after being installed in the arm head clamping groove, and the process is complex in operation and inconvenient to use. Therefore, there is a need to develop new shaft pulling devices that provide a more rapid alternative to the super-lift shaft pulling operation.

Disclosure of Invention

The utility model aims to: aiming at the defects and shortcomings of the prior art, the utility model provides a novel shaft pulling device, and the mounting efficiency of the shaft pulling device is improved to improve the dismounting convenience of the super-lifting device.

The technical scheme is as follows: the utility model discloses a novel shaft pulling device, which comprises a super-lifting device and is characterized in that: the side part of a main arm of the device is provided with an arm head clamping groove, and the super-lifting device is provided with a pin shaft; the arm head clamping groove is connected with the rigging, and the pin shaft is connected with the joint; the rigging is equipped with the dog with connect junction, and the dog is located the mounting groove of joint.

The rigging is a connecting piece, and is a steel wire rope, a chain or a connecting rod.

The pin shaft is a hinge point pin shaft for connecting the main arm and the superlift device.

Wherein the connector is provided with a mounting head, a mounting groove, a limiting groove and a clamping groove; the mounting head is connected with the tail of the pin shaft.

Wherein, the dog in the middle of be equipped with the mounting hole, the dog is connected with the one end of rigging, the other end of rigging is packed into in the arm head draw-in groove.

The beneficial effects are that: compared with the prior art, the utility model has the following remarkable advantages: the utility model is applied to the disassembly of the crane super-lifting device. Compared with the prior art, the novel shaft pulling device simplifies the installation process of the shaft pulling device, improves the installation convenience of the shaft pulling device, ensures that the disassembly and assembly process of the super-lifting device is more convenient and quick, and has higher disassembly and assembly safety. The novel shaft pulling device can be directly installed on the joint of the pin shaft, the installation is simple and quick, and meanwhile, the safety of the shaft pulling process is improved due to the design of the structure limiting groove of the clamping groove.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the joint according to the present utility model;

FIG. 3 is a schematic diagram of a connection structure of a rigging and a stopper according to the present utility model;

FIG. 4 is a schematic view of a connection structure of a joint and a pin of the present utility model;

FIG. 5 is an installation state diagram of the present utility model;

in the figure, the arm head clamping groove 1, the rigging 2, the pin shaft 3, the connector 4, the mounting head 41, the mounting groove 42, the limiting groove 43, the clamping groove 44, the stop block 5, the super-lifting device 6 and the main arm 7 are shown.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and the specific embodiments.

Some key terms of the utility model are explained as follows:

superlift device: the structure device is arranged on the main arm through the pin shaft and used for reducing bending deformation of the lifting arm under the action of gravity of a suspended weight, so that the lifting performance of the crane can be greatly improved.

Shaft pulling device: the super lifting main hinge point shaft is arranged between the main shaft of the super lifting device and the arm head of the main arm, and is pulled out by extending out of the main arm.

In the prior art, the shaft pulling device is required to be installed in the process of disassembling the super-lifting device, one end of a screw rod of a rigging is required to be manually screwed into a threaded hole of a super-lifting main hinge point pin shaft every time, and meanwhile, independent super-lifting installation pin shafts are separated left and right, so that the whole pin shaft disassembling process is complex in operation and is not beneficial to super-lifting portable disassembly.

In order to solve the problem, the utility model provides a novel shaft pulling device, the joint 4 is connected with the tail part of the pin shaft 3, the stop block 5 is connected with one end of the rigging 2, the stop block 5 is required to be installed in a slotted hole of the joint 4 when the shaft is pulled out, the other end of the rigging 2 is required to be installed in the arm head clamping groove 1 of the main arm 7, thus the connection between the shaft pulling device and the pin shaft 3 is realized, and then the operation of stretching out the main arm 7 to remove the pin shaft 3 can be performed.

The functions of the components are as follows:

arm head draw-in groove 1: the structural member of the head of the main arm 7 can move along with the extension and contraction of the main arm 7. The function is to drive the shaft pulling device to pull out the pin shaft 3.

Rigging 2: a connecting device can be any type of connecting piece such as a steel wire rope, a chain, a connecting rod and the like.

Pin 3: hinge pin for connecting main arm 7 and superlift device 6.

Joint 4: the mounting head 41, the mounting groove 42, the limiting groove 43 and the clamping groove 44 are machined on the mounting head, as shown in fig. 3. Which is operatively mounted to the pin 3 and which is able to place the stop 5 into the stop protection slot via the mounting slot 42. The joint 4 may be a separate part or may be formed integrally with the pin 3, i.e. machined at the end of the pin 3.

And a stop block 5: and processing a mounting hole in the middle. Which is operatively mounted to the shaft-pulling device and connects the shaft-pulling device with the joint 4. The stop 5 may be a separate part or may be integral with the shaft means.

The novel shaft pulling device is used as follows: as shown in fig. 3-5, the joint 4 is installed at the tail of the pin shaft 3, and the stop block 5 is connected with one end of the shaft pulling device 2. The end A of the shaft pulling device 2 is mounted in the arm head clamping groove 1 of the main arm 7, and the end B is mounted in the mounting groove 42 of the joint 4 together with the stop block 5. The main arm 7 is extended out by a certain distance by slow operation, and the pin shaft 3 is pulled out by driving the shaft pulling device.

Claims

1. The utility model provides a novel pull out axle device, includes super device (6), its characterized in that: the side part of a main arm (7) of the device is provided with an arm head clamping groove (1), and a super-lifting device (6) is provided with a pin shaft (3); the arm head clamping groove (1) is connected with the rigging (2), and the pin shaft (3) is connected with the joint (4); the connecting part of the rigging (2) and the joint (4) is provided with a stop block (5), and the stop block (5) is positioned in the mounting groove (42) of the joint (4).

2. The novel shaft pulling device according to claim 1, wherein: the rigging (2) is a connecting piece, and the rigging (2) is a steel wire rope, a chain or a connecting rod.

3. The novel shaft pulling device according to claim 1, wherein: the pin shaft (3) is a hinge point pin shaft for connecting the main arm (7) and the super-lifting device (6).

4. The novel shaft pulling device according to claim 1, wherein: the connector (4) is provided with a mounting head (41), a mounting groove (42), a limiting groove (43) and a clamping groove (44); the mounting head (41) is connected with the tail of the pin shaft (3).

5. The novel shaft pulling device according to claim 1, wherein: the middle of the stop block (5) is provided with a mounting hole, the stop block (5) is connected with one end of the rigging (2), and the other end of the rigging (2) is arranged in the arm head clamping groove (1).