CN220978172U

CN220978172U - Breaking arm hammer convenient to change

Info

Publication number: CN220978172U
Application number: CN202322668766.4U
Authority: CN
Inventors: 彭志明; 张倩倩
Original assignee: Shandong Zexin Heavy Industry Machinery Co ltd
Current assignee: Shandong Zexin Heavy Industry Machinery Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-05-17
Anticipated expiration: 2033-10-07

Abstract

The utility model belongs to the technical field of breaking arm hammers, and particularly relates to a breaking arm hammer convenient to replace. According to the utility model, the limiting block, the limiting sleeve, the threaded rod and other parts are arranged, and the limiting sleeve and the threaded rod can be in threaded movement by rotating the limiting sleeve, so that the threaded rod can slide out of the limiting sleeve, the limiting of the drill bit can be relieved, the drill bit can be disassembled, and the problems that the breaking arm hammer is worn when the drill bit is used and is inconvenient to replace are solved.

Description

Breaking arm hammer convenient to change

Technical Field

The utility model relates to the technical field of breaking arm hammers, in particular to a breaking arm hammer convenient to replace.

Background

The crushing arm is a mechanical device dedicated to demolition work, generally having a strong crushing force and a high degree of operability. It consists of a cantilever crane and a breaker. The arm support is a telescopic device, and the length and the angle of the arm support can be adjusted to adapt to different dismantling requirements. The boom may be operated and controlled by a hydraulic system or other mechanical means. The breaker is part of a boom and comprises a powerful hydraulic hammer, drill bit or breaker head for striking, drilling or breaking solid objects such as buildings or rock. The design and function of the crushers are different to meet the requirements of different demolition tasks. With the breaker arm, the operator needs to be trained and follow the relevant safety regulations. At the same time, surrounding personnel also maintain a safe distance to prevent accidents. The utility model discloses a fixed work crushing arm according to patent grant publication number CN215253112U, which comprises a rotating seat, a power seat, a mounting base, a front end straight arm and a tail end straight arm, wherein a rotating column shaft is rotatably mounted on the power seat, the top of the rotating column shaft is provided with the rotating seat, one side of the rotating seat is provided with an arm convex part and a cylinder convex part, the arm convex part is rotatably mounted with the front end straight arm through a straight arm one shaft, the cylinder convex part is rotatably mounted with a first hydraulic cylinder through a cylinder shaft, the tail end of the front end straight arm is rotatably mounted with the tail end straight arm through a straight arm two shaft, the tail end of the tail end straight arm is rotatably mounted with a tail end adjusting frame through a straight arm three shaft, the bottom of the tail end adjusting frame is fixedly mounted with a crushing assembly, and a driving motor is mounted in an internal cavity of the power seat. The breaking arm hammer is worn when the drill bit is used, and is not convenient to replace.

Disclosure of utility model

The utility model aims to provide a breaking arm hammer convenient to replace, and solves the problems that the breaking arm hammer is worn when a drill bit is used and is inconvenient to replace.

In order to achieve the above purpose, the present utility model provides the following technical solutions: breaking arm hammer convenient to change, including breaking arm hammer main part, be provided with the breaking arm in the breaking arm hammer main part, the inside fixedly connected with installation piece of breaking arm, the inside rotation of installation piece bottom is connected with the stopper, the inside fixedly connected with lug of installation piece bottom, the bottom fixedly connected with stop collar of stopper, the inside sliding connection of installation piece bottom has the threaded rod, the bottom fixedly connected with drill bit of threaded rod, the outside sliding connection of installation piece has the spacing, the surface fixedly connected with slide bar of spacing, the outside of slide bar is provided with the spring, one side fixedly connected with fixture block of spacing bottom, the draw-in groove has been seted up in the outside of stop collar, the inside sliding connection of installation piece has the fixture block, the inside sliding connection of draw-in groove has the fixture block.

Preferably, the outer surface of stopper has seted up the annular, the inside sliding connection of annular has the lug, through the design of annular, can play spacing effect to the stopper.

Preferably, the threaded rod is movably connected with the limiting block, the threaded rod is connected with the limiting sleeve through threads, and the drill bit can be driven to move through the design of the threaded rod.

Preferably, the stop collar contacts with the installation piece, the stop collar contacts with the drill bit, through the design of stop collar, can conveniently dismantle the drill bit.

Preferably, the inside fixedly connected with spacing ring of installation piece one end, the inside sliding connection of spacing ring has the slide bar, the inside sliding connection of installation piece has the slide bar, through the design of spacing ring, can play spacing effect to the slide bar.

Preferably, one end of the spring is contacted with the limiting ring, the other end of the spring is contacted with the sliding rod, and the limiting frame can be driven to limit the limiting sleeve through the design of the spring.

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

1. According to the utility model, the limiting block, the limiting sleeve, the threaded rod and other parts are arranged, and the limiting sleeve and the threaded rod can be in threaded movement by rotating the limiting sleeve, so that the threaded rod can slide out of the limiting sleeve, the limiting of the drill bit can be relieved, the drill bit can be disassembled, and the problems that the breaking arm hammer is worn when the drill bit is used and is inconvenient to replace are solved.

2. The utility model can limit the limit sleeve by arranging the limit frame, the spring, the clamping block and the like, so that the limit sleeve can be kept stable when limiting the threaded rod, and the drill bit can be kept stable when in use and can not fall off while being convenient to detach.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged view of the structure of portion A in FIG. 2 according to the present utility model;

fig. 4 is an enlarged view of the B-section structure in fig. 2 according to the present utility model.

In the figure: 1. a breaking arm hammer body; 2. a crushing arm; 3. a mounting block; 4. a limiting block; 41. a bump; 42. a ring groove; 43. a limit sleeve; 44. a threaded rod; 45. a drill bit; 5. a limiting frame; 51. a slide bar; 52. a limiting ring; 53. a spring; 54. a clamping block; 55. a clamping groove.

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.

Referring to fig. 1-4, the breaking arm hammer convenient to replace comprises a breaking arm hammer main body 1, a breaking arm 2 is arranged on the breaking arm hammer main body 1, an installation block 3 is fixedly connected to the inside of the breaking arm 2, a limiting block 4 is rotatably connected to the inside of the bottom end of the installation block 3, a protruding block 41 is fixedly connected to the inside of the bottom end of the installation block 3, an annular groove 42 is formed in the outer surface of the limiting block 4, a protruding block 41 is slidably connected to the inside of the annular groove 42, the limiting block 4 can be limited through the design of the annular groove 42, a limiting sleeve 43 is fixedly connected to the bottom end of the limiting block 4, a threaded rod 44 is slidably connected to the inside of the bottom end of the installation block 3, the threaded rod 44 is movably connected with the limiting block 4, the threaded rod 44 is in threaded connection with the limiting sleeve 43, and a drill bit 45 can be driven to move through the design of the threaded rod 44.

Referring to fig. 2-4, the bottom end of the threaded rod 44 is fixedly connected with the drill bit 45, the stop collar 43 is in contact with the mounting block 3, the stop collar 43 is in contact with the drill bit 45, the drill bit 45 can be conveniently dismounted through the design of the stop collar 43, the outer side of the mounting block 3 is slidably connected with the stop frame 5, the outer surface of the stop frame 5 is fixedly connected with the slide rod 51, the inner part of one end of the mounting block 3 is fixedly connected with the stop collar 52, the inner part of the stop collar 52 is slidably connected with the slide rod 51, the inner part of the mounting block 3 is slidably connected with the slide rod 51, and the stop action can be played on the slide rod 51 through the design of the stop collar 52.

Referring to fig. 2-4, a spring 53 is disposed on the outer side of the sliding rod 51, one end of the spring 53 contacts with a limiting ring 52, the other end of the spring 53 contacts with the sliding rod 51, through the design of the spring 53, the limiting frame 5 can be driven to limit the limiting sleeve 43, a clamping block 54 is fixedly connected to one side of the bottom end of the limiting frame 5, a clamping groove 55 is formed on the outer side of the limiting sleeve 43, a clamping block 54 is slidably connected to the inner portion of the mounting block 3, and a clamping block 54 is slidably connected to the inner portion of the clamping groove 55.

The specific implementation process of the utility model is as follows: when the drill bit 45 is used, the limiting frame 5 is moved in the direction away from the mounting block 3, the limiting frame 5 drives the sliding rod 51 to slide in the limiting ring 52, the sliding rod 51 extrudes the spring 53, the limiting frame 5 drives the clamping block 54 to slide out of the clamping groove 55 on the limiting sleeve 43, the limiting of the limiting sleeve 43 can be relieved, the limiting sleeve 43 is rotated, the limiting sleeve 43 and the threaded rod 44 are in threaded movement, the threaded rod 44 is made to slide in the limiting sleeve 43, the threaded rod 44 drives the drill bit 45 to move, the threaded rod 44 slides out of the limiting sleeve 43, and the drill bit 45 can be detached.

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. Breaking arm hammer convenient to change, including breaking arm hammer main part (1), its characterized in that: the crushing arm hammer is characterized in that the crushing arm hammer main body (1) is provided with the crushing arm (2), the inside fixedly connected with installation block (3) of the crushing arm (2), the inside of installation block (3) bottom is rotated and is connected with the stopper (4), the inside fixedly connected with lug (41) of installation block (3) bottom, the bottom fixedly connected with stop collar (43) of stopper (4), the inside sliding connection of installation block (3) bottom has threaded rod (44), the bottom fixedly connected with drill bit (45) of threaded rod (44), the outside sliding connection of installation block (3) has limit frame (5), the surface fixedly connected with slide bar (51) of limit frame (5), the outside of slide bar (51) is provided with spring (53), one side fixedly connected with fixture block (54) of limit frame (5) bottom, draw-in groove (55) have been seted up in the outside of stop collar (43), the inside sliding connection of installation block (3) has fixture block (54), the inside sliding connection of draw-in groove (55) has fixture block (54).

2. The easy-to-replace breaking-arm hammer of claim 1, wherein: an annular groove (42) is formed in the outer surface of the limiting block (4), and a lug (41) is connected inside the annular groove (42) in a sliding mode.

3. The easy-to-replace breaking-arm hammer of claim 1, wherein: the threaded rod (44) is movably connected with the limiting block (4), and the threaded rod (44) is connected with the limiting sleeve (43) through threads.

4. The easy-to-replace breaking-arm hammer of claim 1, wherein: the limiting sleeve (43) is in contact with the mounting block (3), and the limiting sleeve (43) is in contact with the drill bit (45).

5. The easy-to-replace breaking-arm hammer of claim 1, wherein: the inside fixedly connected with spacing ring (52) of installation piece (3) one end, the inside sliding connection of spacing ring (52) has slide bar (51), the inside sliding connection of installation piece (3) has slide bar (51).

6. The easy-to-replace breaking-arm hammer of claim 1, wherein: one end of the spring (53) is contacted with the limiting ring (52), and the other end of the spring (53) is contacted with the sliding rod (51).