CN213038455U

CN213038455U - Hydraulic breaking hammer

Info

Publication number: CN213038455U
Application number: CN202021055468.8U
Authority: CN
Inventors: 钱志远; 毕晓锋
Original assignee: Yantai Shun Tian Construction Machinery Manufacturing Co ltd
Current assignee: Yantai Tianbing Engineering Machinery Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-23
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to mining equipment, in particular to a hydraulic breaking hammer, which comprises a front cylinder body, a middle cylinder body and a rear cylinder body, wherein two through bolts fixedly connect the front cylinder body, the middle cylinder body and the rear cylinder body together in the front-rear direction, and two clamping plates and twelve clamping plate bolts fixedly connect the front cylinder body, the middle cylinder body and the rear cylinder body together in the left-right direction, and compared with the prior art, the left side surface and the right side surface of the front cylinder body comprise a front plane vertical to the front end surface thereof and a front inclined plane with a front included angle larger than 90 degrees with the front end surface thereof; the left side surface and the right side surface of the rear cylinder body comprise rear inclined surfaces which form a rear included angle larger than 90 degrees with the rear end surfaces of the rear cylinder body. Compared with the prior art, the utility model discloses the structure of cylinder body and back cylinder body before the change cancels the splint welt, and the stability that can effectual increase core and splint reduces splint bolt fracture probability.

Description

Hydraulic breaking hammer

Technical Field

The utility model relates to a mining equipment specifically is a hydraulic breaking hammer.

Background

The hydraulic pump is used as a power source, hydraulic oil is used as a medium, and the piston is driven to reciprocate by using the static pressure of the hydraulic oil as power, so that the piston impacts a drill rod at a high speed during the stroke, and the drill rod breaks solid such as ore, concrete and the like. The device can more effectively clean floating stones and soil in rock gaps in the process of excavating a building foundation. However, the existing hydraulic breaking hammer still has some defects:

as the breaking hammer is transmitted from abroad, under normal conditions, the domestic breaking hammer is basically designed according to the standard of low oil pressure at abroad, for example, in the invention patent with the publication number of CN108824542A, the side walls of the front cylinder body, the middle cylinder body and the rear cylinder body are basically a plane, but in the actual use process at home, the breakage probability of the splint bolt is greatly increased, the after-sale cost of a manufacturer is increased, the project of a client is delayed, and unnecessary loss is caused.

Disclosure of Invention

For overcoming one of current technical defect or defect, the utility model discloses a hydraulic breaking hammer, including preceding cylinder body, well cylinder body, back cylinder body, two logical body bolts will in the front rear direction preceding cylinder body, well cylinder body and back cylinder body rigid coupling are in the same place, and two splint will with twelve splint bolt in the left and right directions preceding cylinder body, well cylinder body and back cylinder body rigid coupling are in the same place, its characterized in that: the left side surface and the right side surface of the front cylinder body comprise a front plane vertical to the front end surface of the front cylinder body and a front inclined surface with a front included angle larger than 90 degrees with the front end surface of the front cylinder body; the left side surface and the right side surface of the rear cylinder body comprise rear inclined surfaces which form a rear included angle larger than 90 degrees with the rear end surfaces of the rear cylinder body.

Further, a front edge of the front plane is collinear with a rear edge of the front bevel or there is a front stepped surface.

Furthermore, the left side surface and the right side surface of the rear cylinder body also comprise a rear plane vertical to the rear end surface of the rear cylinder body, and the rear side of the rear plane is collinear with the front side of the rear inclined plane or is arranged on a rear stepped surface.

Further, the front included angle or the rear included angle is 90.1-92 degrees.

Further, the pinhole of seting up on the preceding cylinder body, the round pin body can be put into in the pinhole and with install the butt cooperation of the arc wall of seting up is sheathe in to interior in the preceding cylinder body, polyurethane gasket is still installed to the pinhole, rand, socket head cap screw, packing ring, inlay the nut in the polyurethane gasket, be close to preceding cylinder body top surface set up the ring channel in the pinhole, the rand can be gone into in the ring channel, the lower terminal surface of polyurethane gasket with the up end butt of the round pin body, polyurethane gasket up end with the lower terminal surface butt of rand, the up end of rand with the up end butt of ring channel, socket head cap screw's screw rod passes in proper order packing ring, rand, polyurethane gasket with the nut spiro union.

Further, the polyurethane gasket is in interference fit with the pin hole.

Further, the pin hole comprises an upper section with a larger inner diameter and a lower section with a smaller inner diameter, the lower end face of the pin body is abutted to the joint face of the upper section and the lower section, and the circumferential circular face of the pin body is in clearance fit or excessive fit with the circumferential circular face of the upper section.

Further, the clamping ring comprises two inferior arc rings, and the inner arcs of the inferior arc rings are provided with conical pressing surfaces which are large at the top and small at the bottom.

Furthermore, the lower end face of the socket head cap screw is provided with a tapered abutting shoulder with a large upper part and a small lower part.

Compared with the prior art, the utility model discloses the structure of cylinder body and back cylinder body before the change cancels the splint welt, and the stability that can effectual increase core and splint reduces splint bolt fracture probability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural view of the front cylinder in embodiment 1.

Fig. 4 is a schematic structural view of the rear cylinder in embodiment 1.

Fig. 5 is a schematic structural view of the rear cylinder in embodiment 2.

Fig. 6 is a schematic structural view of the front cylinder in embodiment 2.

Fig. 7 is a partial cross-sectional view of fig. 6.

Fig. 8 is a partially enlarged view of fig. 7.

Fig. 9 is a schematic structural view of the inner and outer jackets in example 2.

Fig. 10 is a schematic view of the structure of the urethane gasket in example 2.

Fig. 11 is a schematic view of the structure of fig. 10 from another view angle.

Fig. 12 is a schematic structural view of a socket head cap screw according to embodiment 2.

Fig. 13 is a schematic structural view of the collar in embodiment 2.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 in the present invention can be understood according to specific situations by those skilled in the art. Embodiment 1, a hydraulic breaker as shown in fig. 1 to 4 comprises a front cylinder 200, a middle cylinder 300, and a rear cylinder 400, wherein two through bolts 500 fixedly connect the front cylinder 200, the middle cylinder 300, and the rear cylinder 400 in the front-rear direction, two clamp plates 100 and twelve clamp plate bolts fixedly connect the front cylinder 200, the middle cylinder 300, and the rear cylinder 400 in the left-right direction, and the left and right side surfaces of the front cylinder 200 comprise a front plane 22 perpendicular to a front end surface 24 thereof, and a front inclined plane 23 having a front included angle a of 90.2 degrees with the front end surface thereof; the front edge of the front flat surface 22 is not collinear with the rear edge of the front inclined surface 23, and a front stepped surface 25 exists between the front inclined surface 23 and the front flat surface 22. The left and right side surfaces of the rear cylinder body 400 comprise a rear inclined surface 43 which forms a rear included angle b of 90.2 degrees with the rear end surface thereof, and a rear plane 42 which is perpendicular to the rear end surface thereof, the rear side of the rear plane 42 is not collinear with the front side of the rear inclined surface 43, and a rear stepped surface 45 is arranged between the rear plane 42 and the rear inclined surface 43.

Embodiment 1, a hydraulic demolition hammer as shown in fig. 1-2, 5-13 is otherwise identical to embodiment 1 except that the front edge of the front flat 22 is collinear with the rear edge of the front angled surface 23 and the rear cylinder 400 has only the rear angled surface 43 and no rear flat surface.

In addition: pinhole 21 of seting up on preceding cylinder body 200, the round pin body 31 can be put into in the pinhole 21 and with install the butt cooperation of the arc wall 11 of seting up on the interior overcoat 1 in the preceding cylinder body 200, polyurethane gasket 32 is still installed to pinhole 21, rand 33, interior hex screw 34, inlay nut 36 in the polyurethane gasket 32, be close to preceding cylinder body 200 top surface set up ring channel 26 in the pinhole 21, rand 33 can block into in the ring channel 26, polyurethane gasket 32's lower terminal surface with the up end butt of the round pin body 31, polyurethane gasket 32 up end with the lower terminal surface butt of rand 33, rand 33's up end with the up end butt of ring channel 26, the screw rod of interior hex screw 34 passes in proper order rand 33, polyurethane gasket 32 with nut 36 spiro union. The polyurethane shim is in interference fit with the pin hole 21. The pin hole 21 includes an upper section 213 with a larger inner diameter and a lower section 214 with a smaller inner diameter, the lower end surface of the pin body 31 abuts against the interface between the upper section 213 and the lower section 214, and the circumferential circular surface of the pin body 31 is in clearance fit or over fit with the circumferential circular surface of the upper section 213. The collar 33 comprises two inferior arcs 331, and the inner arcs of the inferior arcs 331 have tapered abutting surfaces 332 with large upper parts and small lower parts. The lower end surface of the socket head cap screw 34 has a tapered abutment 341 with a large upper part and a small lower part.

The utility model discloses the structure of cylinder body and back cylinder body before the change, cancellation splint welt can effectual increase core and the stability of splint, reduces splint bolt fracture probability.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications, variations, and equivalents without departing from the scope of the invention. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a hydraulic breaking hammer, includes preceding cylinder body (200), well cylinder body (300), back cylinder body (400), two logical body bolts (500) will in the front and back direction preceding cylinder body (200), well cylinder body (300) and back cylinder body (400) rigid coupling together, two splint (100) and twelve splint bolts will in the left and right direction preceding cylinder body (200), well cylinder body (300) and back cylinder body (400) rigid coupling together, its characterized in that: the left side and the right side of the front cylinder body (200) comprise a front plane (22) vertical to the front end surface (24) thereof and a front inclined plane (23) with a front included angle (a) larger than 90 degrees with the front end surface thereof; the left and right lateral surfaces of the rear cylinder body (400) comprise rear inclined surfaces (43) which form a rear included angle (b) of more than 90 degrees with the rear end surface thereof.

2. A hydraulic demolition hammer as claimed in claim 1 wherein: the front edge of the front plane (22) is collinear with the rear edge of the front inclined plane (23) or a front stepped plane (25) is present.

3. A hydraulic demolition hammer as claimed in claim 1 wherein: the left side surface and the right side surface of the rear cylinder body (400) also comprise a rear plane (42) vertical to the rear end surface of the rear cylinder body, and the rear side of the rear plane (42) is collinear with the front side of the rear inclined plane (43) or is arranged on a rear stepped surface (45).

4. A hydraulic demolition hammer as claimed in claim 1 wherein: the front included angle (a) or the rear included angle (b) is 90.1-92 degrees.

5. A hydraulic demolition hammer as claimed in claim 1 wherein: pinhole (21) of seting up on preceding cylinder body (200), the butt cooperation of arc wall (11) of seting up on interior overcoat (1) in preceding cylinder body (200) in and in pinhole (21), polyurethane gasket (32) are still installed in pinhole (21), rand (33), interior hex bolts (34), inlay nut (36) in polyurethane gasket (32), be close to preceding cylinder body (200) top surface set up ring channel (26) in pinhole (21), rand (33) can be gone into in ring channel (26), the lower terminal surface of polyurethane gasket (32) with the up end butt of the body of selling (31), polyurethane gasket (32) up end with the lower terminal surface butt of rand (33), the up end of rand (33) with the up end butt of ring channel (26), the screw rod of the inner hexagon screw (34) sequentially penetrates through the clamping ring (33) and the polyurethane gasket (32) to be in threaded connection with the nut (36).

6. A hydraulic demolition hammer as claimed in claim 5, wherein: the polyurethane gasket is in interference fit with the pin hole (21).

7. A hydraulic demolition hammer as claimed in claim 5, wherein: the pin hole (21) comprises an upper section (213) with a larger inner diameter and a lower section (214) with a smaller inner diameter, the lower end face of the pin body (31) is abutted to the joint face of the upper section (213) and the lower section (214), and the circumferential circular face of the pin body (31) is in clearance fit or excessive fit with the circumferential circular face of the upper section (213).

8. A hydraulic demolition hammer as claimed in claim 5, wherein: the clamping ring (33) comprises two inferior arc rings (331), and the inner arcs of the inferior arc rings (331) are provided with conical abutting surfaces (332) which are large at the top and small at the bottom.

9. A hydraulic demolition hammer as claimed in claim 5, wherein: the lower end face of the inner hexagon screw (34) is provided with a tapered abutting shoulder (341) with a large upper part and a small lower part.