CN218027927U

CN218027927U - Breaking hammer

Info

Publication number: CN218027927U
Application number: CN202222310886.2U
Authority: CN
Inventors: 张志雨; 朱梓明; 贺建伟; 许延坡
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-13
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a breaking hammer, which comprises a shell, a core and a connecting assembly, wherein the shell comprises a first side plate and a second side plate which are oppositely arranged, the core is arranged between the first side plate and the second side plate, and the first side plate, the core and the second side plate are sequentially fixed; one end of the connecting assembly forms a step structure for limiting movement of the connecting assembly in a first direction and the other end includes a locking member for limiting rotation of the connecting assembly about and movement in the first direction. The utility model discloses an among the quartering hammer, through the coupling assembling one end of connecting first curb plate and second curb plate set up stair structure, other end installation retaining member to restriction coupling assembling rotates around the first direction and moves along the first direction, prevents that the quartering hammer casing and coupling assembling from taking place not hard up at work, has strengthened the stability that core and casing are connected simultaneously, has improved the holistic work efficiency of quartering hammer, and has prolonged the life of quartering hammer.

Description

Breaking hammer

Technical Field

The utility model relates to an engineering machine tool technical field, in particular to quartering hammer.

Background

The breaking hammer is usually installed on an excavator, a loader or a power station for use, has the advantages of large impact force, convenient use, good maneuverability, high efficiency and the like, and is mainly used for the work of breaking, dismantling, excavating hard layers and the like in building construction. The breaking hammer generally comprises a front cylinder body, a middle cylinder body, a rear cylinder body, a drill rod and a piston, wherein the drill rod is arranged in the front cylinder body, the piston is arranged in the middle cylinder body, and the piston reciprocates along the axial direction of the middle cylinder body and strikes the drill rod. Traditional quartering hammer generally includes core and shell, and the core setting is in the shell, and the shell plays the effect of protection to the core, avoids the core to receive the striking damage.

At present, a current quartering hammer casing, including the left casing curb plate and the right casing curb plate of symmetry each other, left casing curb plate and right casing curb plate are close to each other and pass through casing bolted connection. The spacing mode of casing bolt is usually left, weld the sleeve on one of right casing curb plate, inlay casing bolt one terminal nut in the sleeve, it is spacing that the other end of casing bolt relies on big gasket and big nut, but vibration and effort are great during owing to the quartering hammer operation, thereby the pretightning force inefficacy of big nut just can take place the antiport and make big nut and be used for connecting left, the casing bolt of right casing curb plate takes place to become flexible, lead to the quartering hammer during operation noise to increase, and left side casing curb plate and right casing curb plate have the risk of separation or coming off, lead to the core also can become flexible for the casing, the work efficiency of quartering hammer has been reduced, and the life of quartering hammer has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quartering hammer to solve because the relatively poor core that leads to of stability that casing and casing connecting piece are connected takes place to become flexible relatively with the casing, thereby reduced the work efficiency of quartering hammer and reduced the life's of quartering hammer problem.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a breaking hammer, which comprises a shell, a machine core and a connecting assembly, wherein the shell comprises a first side plate and a second side plate which are oppositely arranged, the machine core is arranged between the first side plate and the second side plate, and the first side plate, the machine core and the second side plate are sequentially fixed; one end of the connecting assembly forms a step structure used for limiting the connecting assembly to move along a first direction, and the other end of the connecting assembly comprises a locking piece used for limiting the connecting assembly to rotate around the first direction and move along the first direction.

The utility model discloses an embodiment, the retaining member includes along the first arch of circumference distribution, and is adjacent there is first space between the first arch, the mounting groove has been seted up to first curb plate, the mounting groove includes along the second arch of circumference distribution, and is adjacent there is the second space between the second arch, first arch with second space cooperation installation, the second arch with first space cooperation installation.

The utility model discloses an in one embodiment, coupling assembling still includes the connecting axle, the connecting axle is worn to locate first curb plate with the second curb plate, the stair structure with the retaining member sets up respectively the both ends of connecting axle.

The utility model discloses an in the embodiment, the connecting axle includes first shaft segment and second shaft segment, the mounting hole has been seted up to the second curb plate, the diameter of axle less than or equal to of first shaft segment the aperture of mounting hole, the diameter of axle of second shaft segment is greater than the aperture of mounting hole, first shaft segment wears to locate the mounting hole, the second shaft segment with one side butt that first shaft segment combines in the second curb plate.

In an embodiment of the present invention, the connecting assembly further includes a gasket, the gasket is disposed between the second side plate and the second shaft section.

In an embodiment of the present invention, the casing further includes a connecting plate, the connecting plate is located the first side plate and one end and fixed connection of the second side plate the first side plate and the second side plate.

In an embodiment of the present invention, the housing further includes a wear-resistant member, and the wear-resistant member is located at the other end of the first side plate and the second side plate.

In an embodiment of the present invention, the housing further includes a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is disposed at a joint of the connecting plate and the first side plate and the second side plate, and the second reinforcing rib is disposed at a joint of the first wear-resistant member and the first side plate and the second side plate.

In an embodiment of the present invention, the breaking hammer includes a plurality of spacing-arranged connecting components.

In an embodiment of the present invention, the breaking hammer further includes a drill rod, the drill rod is installed in the core, a drill rod driving device is disposed in the core, and the drill rod driving device is in transmission connection with the drill rod.

The beneficial effects of the utility model reside in that: the utility model discloses an among the quartering hammer, through the coupling assembling one end of connecting first curb plate and second curb plate setting stair structure, other end installation retaining member to restriction coupling assembling rotates around the first direction and moves along the first direction, prevents that the quartering hammer from taking place not hard up at work casing and coupling assembling, has strengthened the stability that core and casing are connected simultaneously, has improved the holistic work efficiency of quartering hammer, and has prolonged the life of quartering hammer.

Drawings

Fig. 1 is a schematic view of a perspective of a breaking hammer according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the breaking hammer according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the mounting groove on the first side plate of the breaking hammer shown in fig. 1.

Fig. 4 is a schematic view of the structure of a locker of the breaking hammer of fig. 1.

Fig. 5 is a schematic structural view of the inside of the mounting groove of the breaking hammer shown in fig. 3.

Fig. 6 is a schematic structural view of a locking member of a breaking hammer according to another embodiment of the present invention.

Fig. 7 is a schematic structural view of the inside of the mounting groove of the breaking hammer according to another embodiment of the present invention.

Fig. 8 is a structural view of a connecting shaft of the breaking hammer shown in fig. 1.

Fig. 9 is a schematic view of a connection structure between the connection shaft and the first and second side plates of the breaking hammer shown in fig. 1.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1-2, the hammer of the present embodiment includes a housing 10, a movement 20, and a connecting assembly 30, where the housing 10 includes a first side plate 11 and a second side plate 12 that are disposed opposite to each other, the movement 20 is installed between the first side plate 11 and the second side plate 12, and the first side plate 11, the movement 20, and the second side plate 12 are fixed in sequence; one end of the connecting assembly 30 forms a stepped structure for limiting movement of the connecting assembly 30 in a first direction, and the other end includes a locker 31 for limiting rotation of the connecting assembly 30 about and movement in the first direction. Specifically, the casing 10 further includes a clamping plate 13, the two clamping plates 13 are respectively disposed on inner side surfaces of the first side plate 11 and the second side plate 12, the movement 20 is placed between the two clamping plates 13, and the connecting assembly 30 sequentially penetrates through the first side plate 11, the clamping plate 13 and the second side plate 12 and is fixedly connected thereto.

The utility model discloses an among the quartering hammer, can set up to stair structure through the coupling assembling 30 one end connecting first curb plate 11 and second curb plate 12, other end mountable retaining member 31 to restriction coupling assembling 30 rotates around the first direction and moves along the first direction, prevents that the quartering hammer from taking place not hard up at work casing 10 and coupling assembling 30, has strengthened the stability that core 20 and casing 10 are connected simultaneously, is difficult for influencing the normal work and the life of quartering hammer.

In this embodiment, the connecting assembly 30 further includes a connecting shaft 32, the connecting shaft 32 is disposed through the first side plate 11 and the second side plate 12, and the step structure and the locking member 31 are respectively disposed at two ends of the connecting shaft 32. The step structure is used for limiting the movement of the connecting shaft 32 of the connecting assembly in a first direction, and the locking piece 31 is used for limiting the rotation of the connecting shaft 32 around the first direction and the movement in the first direction.

Specifically, referring to fig. 3-5, the locking member 31 includes first protrusions 311 distributed along the circumferential direction, first gaps 312 exist between adjacent first protrusions 311, the first side plate 11 is provided with an installation groove 111, the installation groove 111 includes second protrusions 1111 distributed along the circumferential direction, second gaps 1112 exist between adjacent second protrusions 1111, the first protrusions 311 are installed in cooperation with the second gaps 1112, and the second protrusions 1111 are installed in cooperation with the first gaps 312.

It will be appreciated that the cooperative mounting of the retaining member 31 to the mounting slot 111 on the first side plate 11 can also be seen in FIGS. 6-7. The mounting groove 111 is a ratchet groove, the locking member 31 and the mounting groove 111 are mounted in a ratchet type matching mode to limit the rotational freedom degree and axial movement of the connecting shaft 32, the locking member 31 is effectively prevented from loosening due to impact force and vibration during operation of the breaking hammer, meanwhile, thread cutting is not needed at two ends of the connecting shaft 32, abrasion and failure of bolt threads are effectively avoided, the service life of the breaking hammer is prolonged, the maintenance cost of the machine core 20 is reduced, and the overall operation efficiency of the breaking hammer is improved; and the screw-thread fit connection needs a special tool to apply pretightening force, and the locking member 31 in the embodiment does not need to be applied, so that the disassembly and the replacement are convenient. The ratchet structure can also adopt various forms, and is not limited to the structural form mentioned in the embodiment of the utility model.

In this embodiment, referring to fig. 6-7, the connecting shaft 32 includes a first shaft portion 321 and a second shaft portion 322, the second side plate 12 is provided with a mounting hole 121, a shaft diameter of the first shaft portion 321 is smaller than or equal to a diameter of the mounting hole 121, a shaft diameter of the second shaft portion 322 is larger than the diameter of the mounting hole 121, the first shaft portion 321 penetrates through the mounting hole 121, and a side of the second shaft portion 322 combined with the first shaft portion 321 abuts against the second side plate 12.

In this embodiment, the connecting assembly 30 further includes a washer 33, and the washer 33 is disposed between the second side plate 12 and the second shaft segment 322.

In this embodiment, the casing 10 further includes a connecting plate 14, and the connecting plate 14 is located at one end of the first side plate 11 and the second side plate 12 and fixedly connects the first side plate 11 and the second side plate 12. Specifically, the connecting plate 14 may be rectangular, and the connecting surface of the connecting plate 14 is attached to one end of the first side plate 11 and one end of the second side plate 12.

In this embodiment, the housing 10 further includes a wear member 15, and the wear member 15 is located at the other end of the first side plate 11 and the second side plate 12. Specifically, the wear-resistant pieces 15 may be strip-shaped and are respectively located at the bottoms of the first side plate 11 and the second side plate 12 opposite to the connecting plate 14, so that the bottoms of the first side plate 11 and the second side plate 12 are not easily worn, and the service life of the first side plate 11 and the second side plate 12 is prolonged.

In this embodiment, the housing 10 further includes a first reinforcing rib 16 and a second reinforcing rib 17, the first reinforcing rib 16 is disposed at a joint of the connecting plate 14 and the first side plate 11 and the second side plate 12, and the second reinforcing rib 17 is disposed at a joint of the first wear-resistant member 15 and the first side plate 11 and the second side plate 12. Specifically, the first reinforcing rib 16 and the second reinforcing rib 17 function to increase the strength and stability of the connection between the first side plate 11 and the connecting plate 14, and the second side plate 12 and the connecting plate 14.

In this embodiment, the breaking hammer includes a plurality of connecting assemblies 30 arranged at intervals. A plurality of connecting assemblies 30 are arranged on the housing 10 at intervals, so that the connection between the housing 10 and the movement 20 is more stable.

In this embodiment, the breaking hammer further includes a drill rod 40, the drill rod 40 is installed in the core 20, and a drill rod driving device is arranged in the core 20 and is in transmission connection with the drill rod 40.

In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and include, for example, fixed and removable connections as well as integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood as a special case for those of ordinary skill in the art.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The breaking hammer is characterized by comprising a shell (10), a movement (20) and a connecting assembly (30), wherein the shell (10) comprises a first side plate (11) and a second side plate (12) which are oppositely arranged, the movement (20) is installed between the first side plate (11) and the second side plate (12), and the first side plate (11), the movement (20) and the second side plate (12) are sequentially fixed; one end of the connecting assembly (30) forms a stepped structure for limiting the movement of the connecting assembly (30) in a first direction, and the other end of the connecting assembly includes a locking member (31) for limiting the rotation of the connecting assembly (30) in the first direction and the movement in the first direction.

2. The breaking hammer according to claim 1, wherein the locking member (31) comprises first protrusions (311) distributed along a circumferential direction, a first gap (312) is formed between adjacent first protrusions (311), the first side plate (11) is provided with a mounting groove (111), the mounting groove (111) comprises second protrusions (1111) distributed along the circumferential direction, a second gap (1112) is formed between adjacent second protrusions (1111), the first protrusions (311) are installed in a matching manner with the second gap (1112), and the second protrusions (1111) are installed in a matching manner with the first gap (312).

3. The demolition hammer according to claim 1 wherein the connection assembly (30) further comprises a connection shaft (32), the connection shaft (32) being disposed through the first side plate (11) and the second side plate (12), the step structure and the locking member (31) being disposed at both ends of the connection shaft (32), respectively.

4. The breaking hammer according to claim 3, wherein the connecting shaft (32) comprises a first shaft section (321) and a second shaft section (322), the second side plate (12) is provided with a mounting hole (121), the shaft diameter of the first shaft section (321) is smaller than or equal to the hole diameter of the mounting hole (121), the shaft diameter of the second shaft section (322) is larger than the hole diameter of the mounting hole (121), the first shaft section (321) penetrates through the mounting hole (121), and one side of the second shaft section (322) combined with the first shaft section (321) abuts against the second side plate (12).

5. The demolition hammer according to claim 4 wherein the connection assembly (30) further comprises a washer (33), the washer (33) being disposed between the second side plate (12) and the second shaft section (322).

6. The demolition hammer according to claim 1 wherein the housing (10) further comprises a connecting plate (14), the connecting plate (14) being located at one end of the first side plate (11) and the second side plate (12) and fixedly connecting the first side plate (11) and the second side plate (12).

7. The breaking hammer according to claim 6, characterized in that the housing (10) further comprises a wear part (15), the wear part (15) being located at the other end of the first side plate (11) and the second side plate (12).

8. The demolition hammer according to claim 7 wherein the housing (10) further comprises a first reinforcing rib (16) and a second reinforcing rib (17), the first reinforcing rib (16) being provided at the junction of the connecting plate (14) and the first side plate (11) and the second side plate (12), the second reinforcing rib (17) being provided at the junction of the wear part (15) and the first side plate (11) and the second side plate (12).

9. A breaking hammer according to claim 1, characterized in that it comprises several connecting assemblies (30) arranged at intervals.

10. A breaking hammer according to claim 1, characterized in that it further comprises a drill rod (40), said drill rod (40) being mounted in said movement (20), a drill rod driving device being provided in said movement (20), said drill rod driving device being in driving connection with said drill rod (40).