CN220972243U - Spherical jacking and replacing device for hammer head - Google Patents

Abstract

The utility model relates to a hammer spherical sleeve replacing device which comprises an extraction handle, a clamping disc, a first fixing block and a second fixing block, wherein a first thread structure is arranged at the inner end of the extraction handle, the clamping disc is connected with the periphery of the first thread structure in a shaft mode, the first fixing block is located at the inner end point of the extraction handle, and the second fixing block is connected with the outer end point of the extraction handle in a screw mode. The hammer head spherical sleeve replacing device disclosed by the utility model can facilitate the replacement of the inner spherical sleeve of the breaking hammer by an operator, save the operation time, greatly reduce the laborious degree of the operator and improve the safety of the operation of replacing the spherical sleeve.

Description

Spherical jacking and replacing device for hammer head

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a hammer head spherical sleeve replacing device applied to a breaking hammer.

Background

A breaking hammer (or called a breaker, a pile driver) is a device commonly used in engineering construction and excavation work for breaking or crushing hard objects such as concrete, rock, stones and the like, is generally installed on engineering machinery such as an excavator, a loader and the like, is powered by a hydraulic system, drives a piston by using high-pressure hydraulic oil to generate impact force, and breaks or crushes target objects by rapid impact and vibration of a hammer head.

The structure of the breaking hammer mainly comprises a hammer body, a piston, a control valve, a damping system and a plurality of inner and outer components, wherein the breaking hammer is worn and aged frequently in long-term use, so that the breaking hammer needs to be replaced regularly, and otherwise, the hammer head cannot work. Because the spherical sleeve is arranged in the hammer body, the hammer body is usually required to be completely disassembled and then replaced, a skilled operator needs to complete the operation in about two days, the time and the labor are wasted, the labor intensity is high, meanwhile, the operation of replacing the spherical sleeve of the breaking hammer needs to ensure absolute safety, and safety accidents can be caused if the operation is improper or inexperienced because high-pressure hydraulic pressure, strong impact and the like are involved in the working process. Therefore, it is necessary to design a convenient and safe replacing device to shorten the operation time and reduce the working strength of operators.

Disclosure of utility model

The utility model mainly aims to provide the hammer head spherical sleeve replacing device which can facilitate the replacement of the inner spherical sleeve of the breaking hammer by operators, save the operation time, greatly reduce the labor intensity of the operators and improve the safety of the operation of replacing the spherical sleeve.

In order to achieve the above purpose, the utility model provides a hammer spherical sleeve replacing device, which comprises an extraction handle, a clamping disc, a first fixing block and a second fixing block, wherein a first thread structure is arranged at the inner end of the extraction handle, the clamping disc is connected with the periphery of the first thread structure in a shaft way, the first fixing block is positioned at the inner end point of the extraction handle, and the second fixing block is connected with the outer end point of the extraction handle in a screw way.

Further, draw handle and first fixed block integrated into one piece, first fixed block is used for preventing that the screens dish from drawing the handle and coming off.

Further, a plurality of pulling rods are arranged on the second fixing block, and the pulling rods are perpendicular to the extraction handle.

Further, characterized in that, the spherical cover of tup is got and is traded device still includes drawing device, and drawing device is used for extracting the handle outside.

Further, the drawing device comprises an abutting disc, a connecting rod and an external positioning disc connected with the abutting disc through the connecting rod, wherein the abutting disc is parallel to the external positioning disc and sleeved on the extraction handle, the abutting disc is close to the clamping disc, a rotating piece is arranged on the outer side face of the external positioning disc, a second thread structure is arranged at the outer end of the extraction handle, and the rotating piece is connected onto the second thread structure of the extraction handle in an axial mode.

Further, the periphery of the rotating piece is provided with a rotating rod.

Further, the outer diameter of the abutment disc is larger than the outer diameter of the detent disc.

Through the technical scheme, the beneficial effects of the utility model include:

(1) The spherical sleeve replacing device is simple in overall structure, only the clamping disc in the device is required to be installed in the spherical sleeve to be replaced, then the part, which is abutted against the spherical sleeve, of the periphery of the clamping disc is welded, an extraction handle is pulled by an operator, the spherical sleeve is integrally taken out for replacement, and the device is simple to operate, saves time and labor;

(2) In addition, also can be with the help of extracting the drawing device that the handle outer end set up, rotate the rotating member, can easily draw out the handle outside, and then take out the spherical cover of welding on the screens dish, with the help of this drawing device, only need an operating personnel, can easily just accomplish the work of changing spherical cover safely.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic structural view of a first embodiment of the hammer head spherical sleeve changing device of the present utility model.

Fig. 2 is a schematic structural view of a second embodiment of the hammer head spherical sleeve changing device of the present utility model.

Fig. 3 is a schematic structural view of a third embodiment of the hammer head spherical sleeve changing device of the present utility model.

Description of the reference numerals

1. An extraction handle; 2. a clamping disc; 3. a first fixed block; 4. a second fixed block; 5. a first thread structure; 6. pulling a rod; 71. an abutment plate; 72. a connecting rod; 73. an external positioning disc; 74. a rotating member; 75. a rotating rod; 8. and a second thread structure.

Detailed Description

The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

First embodiment:

As shown in fig. 1, a schematic structural diagram of a first embodiment of the present utility model is provided with an extraction handle 1, a clamping disc 2, a first fixing block 3 and a second fixing block 4, wherein a first thread structure 5 is arranged at the inner end of the extraction handle 1, the clamping disc 2 is axially connected to the periphery of the first thread structure 5, the first fixing block 3 is located at the inner end point of the extraction handle 1, the extraction handle 1 and the first fixing block 3 are integrally formed, the first fixing block 3 is used for preventing the clamping disc 2 from falling off from the extraction handle 1, the second fixing block 4 is screwed at the outer end point of the extraction handle 1, and preferably, the second fixing block 4 is movably mounted at the outer end point of the extraction handle 1.

In the use process of the spherical sleeve replacing device of the embodiment, only the front end hammer head part of the breaking hammer is required to be taken out, the inner end of the extracting handle 1 is placed in the hammer body structure, the inside of the general pituitary body structure is of a cylindrical cavity structure, the clamping disc 2 is placed at a proper position in the spherical sleeve, in the process, the extracting handle 1 can be rotated to move in the clamping disc 2 by means of the first thread structure 5, the proper length of the outer part of the extracting handle 1 can be adjusted, the joint of the outer periphery of the clamping disc 2 and the spherical sleeve is welded, the whole outer periphery of the clamping disc 2 is not required to be welded in the welding, and the outer periphery can be uniformly spot welded. After the welding and fixing are finished, an operator pulls the outer end part of the extraction handle 1, finally the inner spherical sleeve is taken out stably, and then the joint of the spherical sleeve and the clamping disc 2 is knocked, so that the spherical sleeve is taken out. The replacement of the internal parts can be completed without disassembling other structures of the breaking hammer in the operation process, and only one person can operate, so that time and labor are saved.

Second embodiment:

The structure of this embodiment is substantially the same as that of the previous embodiment, and the difference is only that, as shown in fig. 2, a plurality of pulling rods 6 are provided on the second fixing block 4 of this embodiment, in this embodiment, the number of pulling rods 6 is two, the pulling rods 6 are perpendicular to the extracting handle 1, in the use process of the shape sleeve extracting and replacing device in this embodiment, an operator can directly extract the pulling rods 6, so that the spherical sleeve can be taken out, and the operation is more convenient.

Third embodiment:

The difference between this embodiment and the first embodiment is that the hammerhead spherical sleeve replacing device of this embodiment is further provided with a drawing device, the drawing device is used for drawing the extraction handle 1 outwards, the drawing device includes an abutting disc 71, a connecting rod 72 and an external positioning disc 73 connected with the abutting disc 71 through the connecting rod 72, the abutting disc 71 is parallel to the external positioning disc 73 and sleeved on the extraction handle 1, the outer diameter of the abutting disc 71 is larger than the outer diameter of the clamping disc 2, the abutting disc 71 is arranged close to the clamping disc 2, a rotating member 74 is arranged on the outer side surface of the external positioning disc 73, a second thread structure 8 is arranged at the outer end of the extraction handle 1, the rotating member 74 is axially connected on the second thread structure 8 of the extraction handle 1, and a rotating rod 75 is arranged on the periphery of the rotating member 74.

In the spherical sleeve replacing device of the embodiment, in use, the drawing device is directly sleeved on the extracting handle 1 and is positioned at the outer side of the clamping disc 2, after the clamping disc 2 is welded with the spherical sleeve, the outer diameter of the abutting disc 71 is larger than the inner diameter of the clamping disc 2, namely the cavity, so that the abutting disc 71 can be clamped at the outer port of the inner cavity, the rotating rod 75 at the periphery of the rotating piece 74 is rotated to rotate and extract the extracting handle 1 towards the outer end, the instability of the process of directly manually extracting the extracting handle 1 outwards is avoided, and the spherical sleeve can be stably and safely extracted by means of the drawing device, and meanwhile, the working strength of operators is further reduced.

It will be apparent that the described embodiments are only 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 utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims (7)

1. The utility model provides a spherical cover of tup is got and is traded device, its characterized in that, including extracting handle (1), screens dish (2), first fixed block (3) and second fixed block (4), it is equipped with first screw structure (5) to draw handle (1) inner, screens dish (2) coupling is in the periphery of first screw structure (5), first fixed block (3) are located draw the interior end point department of handle (1), second fixed block (4) spiro union is in draw the outer extreme point of handle (1).

2. The hammer spherical sleeve replacing device according to claim 1, wherein the extracting handle (1) and the first fixing block (3) are integrally formed, and the first fixing block (3) is used for preventing the clamping disc (2) from falling off from the extracting handle (1).

3. The hammer spherical sleeve replacing device according to claim 1, wherein the second fixing block (4) is provided with a plurality of pulling rods (6), and the pulling rods (6) are perpendicular to the extracting handle (1).

4. Hammer head spherical sleeve changing device according to one of the claims 1-2, characterized in that it further comprises a pulling device for pulling the extraction handle (1) out of the outside.

5. The hammerhead spherical sleeve replacing device according to claim 4, characterized in that the drawing device comprises an abutting disc (71), a connecting rod (72) and an external positioning disc (73) connected with the abutting disc (71) through the connecting rod (72), the abutting disc (71) is parallel to the external positioning disc (73) and sleeved on the extracting handle (1), the abutting disc (71) is close to the clamping disc (2), a rotating piece (74) is arranged on the outer side face of the external positioning disc (73), a second thread structure (8) is arranged at the outer end of the extracting handle (1), and the rotating piece (74) is connected onto the second thread structure (8) of the extracting handle (1) in a shaft mode.

6. The hammer head spherical sleeve changing device according to claim 5, wherein the rotating member (74) is provided with a rotating rod (75) at the outer periphery thereof.

7. The hammer head spherical sleeve changing device according to claim 5, wherein the outer diameter of the abutment disc (71) is larger than the outer diameter of the detent disc (2).