CN211216913U

CN211216913U - Split type hammer connecting device

Info

Publication number: CN211216913U
Application number: CN201920973887.0U
Authority: CN
Inventors: 封士洋; 谈志中; 徐小丽
Original assignee: SINOMA-LIYANG HEAVY MACHINERY CO LTD
Current assignee: SINOMA-LIYANG HEAVY MACHINERY CO LTD
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-08-11
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to a split type hammer head connecting device, which comprises a hammer head and a hammer handle; the lower end surface of the hammer head is provided with a hammer handle groove, and the front end of the hammer head correspondingly extends into the hammer handle groove; and after the hammer head is inserted and installed, a pin shaft groove transversely penetrating through the hammer handle groove is further formed in the lower end of the hammer handle and the front end of the hammer head, two ends of the pin shaft groove are further arranged in a stepped groove mode, and the stepped grooves in two sides are correspondingly formed in two side ends of the hammer head respectively. The corresponding dismouting of tup and hammer handle of this device and installation are convenient and fast very, reduce the time of changing the tup, reduce the cost of overhaul to can utilize round pin axle and elasticity jump ring many times, reduce use cost, increase overall structure's stability and safety in utilization.

Description

Split type hammer connecting device

Technical Field

The utility model relates to a breaker tup instrument, a split type tup connecting device specifically says so.

Background

Among the prior art, a hammer crusher tup for thin brokenly has compound tup, whole tup, inlays nail tup and split type tup etc. and above-mentioned tup all possesses respective advantage to can be used for different work occasions according to the work demand of difference.

And traditional split type tup comprises hammer head body, hammer handle, hammer axle pin, lock nut, has the screw thread on the hammer axle pin, and lock nut screws the back and has partial thread to expose in the outside in addition, and this kind of split type tup through lock nut installation receives the material impact to wear and tear for a long time and when changing the tup next time hammer axle pin and will not use, connects through using lock nut, can prevent not hard up with nut and hammer axle pin welding. But the hammer head is worn seriously when the hammer head is used for fine breaking, the hammer shaft pin needs to be replaced at the same time when the hammer head is replaced every time, and then the hammer head is prevented from loosening by spot welding, so that the cost and the replacement time are longer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a split hammer head connecting device aiming at the defects of the prior art; the technical scheme is as follows:

a split hammer head connecting device comprises a hammer head and a hammer handle; the lower end surface of the hammer head is provided with a hammer handle groove, and the front end of the hammer head correspondingly extends into the hammer handle groove; after the hammer head is inserted and installed, pin shaft grooves transversely penetrating through the hammer handle grooves are further formed in the lower end of the hammer handle and the front end of the hammer head, two ends of each pin shaft groove are arranged in a stepped groove mode, and the stepped grooves on two sides are correspondingly formed in two side ends of the hammer head respectively; a detachable pin shaft is arranged in the pin shaft groove, one end of the pin shaft is provided with a step cap matched with the step groove in size, and the step cap is correspondingly clamped in the step groove after the pin shaft is arranged; the other end of the pin shaft is provided with a circle of spring groove, an elastic clamp spring is correspondingly clamped in the spring groove, the inner side end of the elastic clamp spring is clamped in the spring groove, and the outer side end of the elastic clamp spring is clamped in the step groove, so that the pin shaft can be fixedly clamped in the pin shaft groove.

Preferably, the elastic clamp spring is of an oval clamp spring structure with an arc-shaped cut, and clamp holes for clamping the clamp spring and clamping the clamp are formed in two ends of the cut; for vertical placing during this elasticity jump ring installation, the arc incision sets up at the lower extreme to both ends set up to vertical limit structure.

Preferably, the clamp spring grooves on the pin shaft are arranged on the left side and the right side, and the vertical edge structures on the two sides of the elastic clamp spring are correspondingly clamped in the clamp spring grooves on the left side and the right side of the pin shaft; and the elastic clamp spring can be taken down and installed through the operation of the clamp spring clamp.

Preferably, the length of the pin shaft is smaller than the groove length of the pin shaft groove.

Preferably, a through limiting hole is further formed in the middle of the hammer handle, and a hammer shaft hole is further formed in the lower end of the hammer handle.

Has the advantages that: the utility model discloses following beneficial effect has: in the device, the hammer head and the hammer handle are correspondingly arranged through the hammer handle groove; the hammer handle is fixed by arranging a corresponding pin shaft groove and an installation pin shaft, one end of the pin shaft is provided with a step cap, the other end of the pin shaft is provided with a clamp spring groove, the two ends of the pin shaft groove are correspondingly provided with step grooves, the step cap at one end of the pin shaft is correspondingly clamped in the step groove at one end after installation, the clamp spring groove at the other end is correspondingly clamped with an elastic clamp spring, the elastic clamp spring is provided with an arc-shaped notch and has elastic performance capable of expanding outwards, the elastic clamp spring is expanded by clamp spring pliers and placed into the clamp spring groove, the end part of the pin shaft is clamped in the step groove through the elastic clamp spring, after the arrangement, the corresponding disassembly, assembly and assembly of the hammer head and the hammer handle are very convenient and rapid, the time for replacing the hammer head is shortened, the maintenance cost is reduced, the pin shaft and the elastic clamp spring can be repeatedly used, the use cost is reduced.

Drawings

FIG. 1 is a view of the structure of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a pin structure diagram of the present invention;

fig. 4 is a structure diagram of the middle elastic clamp of the present invention.

Detailed Description

The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1, 2, 3 and 4, a split hammer head connecting device comprises a hammer head 1 and a hammer handle 2; the lower end surface of the hammer head 1 is provided with a hammer handle groove 3, and the front end of the hammer head 1 correspondingly extends into the hammer handle groove 3; after the hammer head 1 is inserted and installed, a pin shaft groove 4 transversely penetrating through the hammer handle groove 3 is further formed in the lower end of the hammer handle 2 and the front end of the hammer head 1, two ends of the pin shaft groove 4 are also arranged in a stepped groove 5 mode, and the stepped grooves 5 on the two sides are correspondingly formed in two side ends of the hammer head 1 respectively; a detachable pin shaft 6 is arranged in the pin shaft groove 4, a step cap 7 matched with the step groove 5 in size is arranged at one end of the pin shaft 6, and the step cap 7 is correspondingly clamped in the step groove 5 after the pin shaft 6 is arranged; the other end of the pin shaft 6 is provided with a circle of spring groove 8, an elastic clamp spring 9 is correspondingly clamped in the spring groove 8, the inner side end of the elastic clamp spring 9 is clamped in the spring groove 8, and the outer side end is clamped in the step groove 5, so that the pin shaft 6 can be fixedly clamped in the pin shaft groove 4.

The elastic clamp spring 9 is of an oval clamp spring structure with an arc-shaped cut, and clamp holes 10 for clamping the clamp spring and clamping the clamp are formed in the two ends of the cut; the elastic clamp spring 9 is vertically arranged when being installed, the arc-shaped notch is arranged at the lower end, and two ends of the arc-shaped notch are arranged into vertical edge structures; the clamp spring grooves 8 on the pin shaft 6 are arranged on the left side and the right side, and the vertical side structures on the two sides of the elastic clamp spring 9 are correspondingly clamped in the clamp spring grooves 8 on the left side and the right side of the pin shaft 6; and the elastic circlip 9 can be removed and installed by circlip pliers operation.

The inner diameter of the elastic clamp spring 9 is smaller than the outer diameter of the pin shaft 6, and the outer diameter of the elastic clamp spring 9 is larger than the diameter of a slotted hole of the pin shaft 6; the width of the elastic clamp spring 9 is smaller than the width of the outer side groove of the step groove 5, so that the elastic clamp spring 9 has an operation space.

The length of the pin shaft 6 is less than the groove length of the pin shaft groove 4; a through limiting hole 12 is further arranged in the middle of the hammer handle 2, and a hammer shaft hole 11 is further arranged at the lower end of the hammer handle 2.

In the device, the hammer head and the hammer handle are correspondingly arranged through the hammer handle groove; the hammer handle is fixed by arranging a corresponding pin shaft groove and an installation pin shaft, one end of the pin shaft is provided with a step cap, the other end of the pin shaft is provided with a clamp spring groove, the two ends of the pin shaft groove are correspondingly provided with step grooves, the step cap at one end of the pin shaft is correspondingly clamped in the step groove at one end after installation, the clamp spring groove at the other end is correspondingly clamped with an elastic clamp spring, the elastic clamp spring is provided with an arc-shaped notch and has elastic performance capable of expanding outwards, the elastic clamp spring is expanded by clamp spring pliers and placed into the clamp spring groove, the end part of the pin shaft is clamped in the step groove through the elastic clamp spring, after the arrangement, the corresponding disassembly, assembly and assembly of the hammer head and the hammer handle are very convenient and rapid, the time for replacing the hammer head is shortened, the maintenance cost is reduced, the pin shaft and the elastic clamp spring can be repeatedly used, the use cost is reduced.

The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made according to the claims should be included in the scope of the present invention.

Claims

1. The utility model provides a split type tup connecting device which characterized in that: comprises a hammer head (1) and a hammer handle (2); the lower end surface of the hammer head (1) is provided with a hammer handle groove (3), and the front end of the hammer head (1) correspondingly extends into the hammer handle groove (3); after the hammer head (1) is inserted and installed, a pin shaft groove (4) transversely penetrating through the hammer handle groove (3) is further formed in the lower end of the hammer handle (2) and the front end of the hammer head (1), two ends of the pin shaft groove (4) are arranged in a stepped groove (5) mode, and the stepped grooves (5) on the two sides are correspondingly formed in the two ends of the hammer head (1) respectively; a detachable pin shaft (6) is arranged in the pin shaft groove (4), a step cap (7) matched with the step groove (5) in size is arranged at one end of the pin shaft (6), and the step cap (7) is correspondingly clamped in the step groove (5) after the pin shaft (6) is arranged; and the other end of the pin shaft (6) is provided with a circle of clamp spring groove (8), an elastic clamp spring (9) is correspondingly clamped in the clamp spring groove (8), the inner side end of the elastic clamp spring (9) is clamped in the clamp spring groove (8), and the outer side end of the elastic clamp spring is clamped in the step groove (5), so that the pin shaft (6) can be fixedly clamped in the pin shaft groove (4).

2. The split hammer head connection device according to claim 1, wherein: the elastic clamp spring (9) is of an oval clamp spring structure with an arc-shaped cut, and clamp holes (10) for clamping the clamp spring and clamping the clamp are formed in the two ends of the cut; for vertical placing during the installation of this elasticity jump ring (9), the arc incision sets up at the lower extreme to both ends set up to vertical limit structure.

3. The split hammer head connection device according to claim 2, wherein: the clamp spring grooves (8) on the pin shaft (6) are arranged on the left side and the right side, and the vertical edge structures on the two sides of the elastic clamp spring (9) are correspondingly clamped in the clamp spring grooves (8) on the left side and the right side of the pin shaft (6); and the elastic clamp spring (9) can be taken down and installed through the operation of the clamp spring clamp.

4. The split hammer head connection device according to claim 2, wherein: the length of the pin shaft (6) is less than the length of the pin shaft groove (4).

5. The split hammer head connection device according to claim 1, wherein: the middle position of the hammer handle (2) is also provided with a through limiting hole (12) and the lower end of the hammer handle (2) is also provided with a hammer shaft hole (11).