CN219219186U

CN219219186U - Hydraulic breaking hammer convenient for replacing chisel head

Info

Publication number: CN219219186U
Application number: CN202320688433.5U
Authority: CN
Inventors: 高晓东; 王春华; 于言言
Original assignee: Yantai Haopu Precision Machinery Co ltd
Current assignee: Yantai Haopu Precision Machinery Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-20
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a hydraulic breaking hammer convenient for replacing a chisel head, which comprises a shell, wherein the inner wall of the shell is fixedly connected with a cylinder body, the bottom surface of the cylinder body is provided with a sliding hole, the inner wall of the sliding hole is connected with a sliding rod in a sliding manner, the top end of the sliding rod is fixedly connected with a piston plate, and the upper surface of the cylinder body is fixedly connected with a hydraulic cylinder. According to the utility model, the hydraulic cylinder is arranged to be matched with the piston plate to control the chisel, and the threaded connection of the threaded rod and the threaded hole is utilized to enable the threaded rod to be matched with the threaded hole to control the push plate to move, so that the push plate can control the first inserted rod to move out of the first insertion hole, the positioning of the connecting block is released, a worker can rapidly disassemble the chisel, and the second inserted rod is matched with the second insertion hole to position the connecting plate, so that the chisel is more stable after being installed, the problems that the chisel part of the breaking hammer is inconvenient to replace and the replacement efficiency is reduced are solved.

Description

Hydraulic breaking hammer convenient for replacing chisel head

Technical Field

The utility model relates to the technical field of hydraulic breaking hammers, in particular to a hydraulic breaking hammer with a chisel head convenient to replace.

Background

Hydraulic breaking hammers, also called hydraulic crushers or hydraulic lithotriptors, have become an important work tool for hydraulic excavators, which can be mounted on an excavating loader or a wheel loader for crushing work.

The utility model patent with publication number of CN217128363U discloses a hydraulic breaking hammer, which has the technical scheme that: the hydraulic cylinder comprises an outer shell, wherein a hydraulic cylinder body is fixedly installed in the outer shell, a mounting hole is formed in the bottom of the outer shell, a crushing cone is connected in the mounting hole in a sliding manner, the top of the crushing cone is fixedly connected with the output end of the hydraulic cylinder body, buffer protection pads are adhered to the periphery of the inner part of the outer shell, shock pads are fixedly connected to the outer side of the hydraulic cylinder body in the inner part of the outer shell, connecting plates are uniformly connected to the left side and the right side of the top of the outer shell, and connecting holes are formed in the middle ends of the outer side of the connecting plates; this patent sets up the shell body, and the inside of shell body is used for installing the pneumatic cylinder body, and the mounting hole of seting up of shell body bottom is used for installing broken awl, and broken awl is used for smashing the massive rock, sets up the buffer protection pad, and the buffer protection pad is used for carrying out buffer protection to the inside of shell body.

However, the breaking cone in the above patent is damaged due to abrasion after long-time use, and the chisel head of the breaking hammer is inconvenient to replace, so that the operation is complicated when the chisel head is replaced, the replacement efficiency is reduced, and therefore, a hydraulic breaking hammer convenient for replacing the chisel head is provided to solve the above problems.

Disclosure of Invention

The utility model aims to provide a hydraulic breaking hammer which is convenient for replacing a chisel head, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a hydraulic breaking hammer convenient to change chisel head, includes the casing, the inner wall fixedly connected with barrel of casing, the slide hole has been seted up to the bottom surface of barrel, the inner wall sliding connection of slide hole has the slide bar, the top fixedly connected with piston plate of slide bar, the last fixed surface of barrel is connected with the pneumatic cylinder, the output of pneumatic cylinder and the top fixedly connected with of piston plate, the bottom fixedly connected with connection concave plate of slide bar, the inside of connection concave plate is equipped with the connecting block, two first jacks have all been seted up to the left and right sides face of connecting block, every the equal sliding connection of inner wall of first jack has first inserted bar, two recesses have been seted up to the inner wall of connection concave plate, every equal sliding connection of inside wall of recess has the push pedal, two sets of one end that first inserted bar kept away from each other is respectively with a side fixed connection of two push pedal, every the inner wall of recess all sets up threaded hole's inner wall equal threaded connection threaded rod, two the side that the push pedal kept away from each other is all fixed with the threaded rod, two bearings are close to each other have two connecting plate's bottom surface fixed connection, two bearings are connected with each other, connecting plate fixedly connected with each other.

In a further embodiment, a connecting piece is arranged above the shell, and the bottom surface of the connecting piece is fixedly connected with the upper surface of the shell.

In a further embodiment, a first sealing ring is fixedly connected to the inner bottom wall of the cylinder, and the inner wall of the first sealing ring is in contact with the outer surface of the sliding rod.

In a further embodiment, the outer surface of the sliding rod is fixedly connected with a connecting seat, and the bottom surface of the connecting seat is fixedly connected with the upper surface of the connecting concave plate.

In a further embodiment, a second sealing ring is fixedly connected to the bottom surface of the piston plate, and the outer surface of the second sealing ring is in contact with the inner wall of the cylinder.

In a further embodiment, two second jacks are provided on the upper surface of the connecting plate, the inner wall of each second jack is slidably connected with a second inserting rod, and the upper surface of each second inserting rod is fixedly connected with the bottom surface of the connecting concave plate.

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

according to the utility model, the hydraulic cylinder is arranged to be matched with the piston plate to control the chisel, and the threaded connection of the threaded rod and the threaded hole is utilized to enable the threaded rod to be matched with the threaded hole to control the push plate to move, so that the push plate can control the first inserted rod to move out of the first insertion hole, the positioning of the connecting block is released, a worker can rapidly disassemble the chisel, and the second inserted rod is matched with the second insertion hole to position the connecting plate, so that the chisel is more stable after being installed, the problems that the chisel part of the breaking hammer is inconvenient to replace and the replacement efficiency is reduced are solved.

Drawings

Fig. 1 is a schematic perspective view of a hydraulic breaking hammer for facilitating replacement of a chisel head.

Fig. 2 is a cross-sectional view of a front view of a hydraulic breaker housing to facilitate replacement of a chisel head.

Fig. 3 is an enlarged schematic view of the hydraulic breaking hammer of fig. 2 at a convenient to replace the chisel head.

Fig. 4 is a schematic perspective view of a hydraulic breaking hammer connection recess plate for facilitating replacement of a chisel head.

Fig. 5 is a partially enlarged schematic view of the hydraulic breaking hammer of fig. 2 at B to facilitate replacement of the chisel head.

In the figure: 1. a connecting piece; 2. a housing; 3. connecting concave plates; 4. a chisel head; 5. a connecting plate; 6. a hydraulic cylinder; 7. a threaded hole; 8. a second jack; 9. a second plunger; 10. a push plate; 11. a first plunger; 12. a first jack; 13. a connecting block; 14. a cylinder; 15. a piston plate; 16. a bearing; 17. a groove; 18. a threaded rod; 19. a connecting seat; 20. a slide bar; 21. a slide hole; 22. a first seal ring; 23. and a second sealing ring.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

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. 1-5, in the hydraulic breaking hammer convenient for replacing a chisel head of the present utility model, the hydraulic breaking hammer comprises a casing 2, the inner wall of the casing 2 is fixedly connected with a cylinder 14, a sliding hole 21 is formed in the bottom surface of the cylinder 14, a sliding rod 20 is slidingly connected with the inner wall of the sliding hole 21, a piston plate 15 is fixedly connected with the top end of the sliding rod 20, a hydraulic cylinder 6 is fixedly connected with the upper surface of the cylinder 14, the output end of the hydraulic cylinder 6 is fixedly connected with the top end of the piston plate 15, the bottom end of the sliding rod 20 is fixedly connected with a connecting concave plate 3, a connecting block 13 is arranged in the connecting concave plate 3, two first insertion holes 12 are formed in the left side surface and the right side surface of the connecting block 13, two first insertion holes 11 are slidingly connected with the inner wall of each first insertion rod 12, two grooves 17 are formed in the inner wall of each first insertion rod 3, the inner wall of each groove 17 is slidingly connected with a push plate 10, one end of each first insertion rod 11 far away from each other is respectively connected with one side surface of the two push plates 10 close to each other, the inner wall of each groove 17 is provided with a threaded rod 7, the inner wall of each threaded rod 7 is connected with a threaded rod 18, one end of the two bearings 16 far away from each inner wall 16 is fixedly connected with the inner ring 16 is connected with the bottom surface 5, and one end of the connecting plate 5 is fixedly connected with the connecting plate 16 is close to each inner ring 16, respectively, and one end of the connecting rod 16 is fixedly connected with the connecting plate is connected with the inner connecting plate 16 is close to each end 16 is respectively.

The top of casing 2 is equipped with connecting piece 1, the bottom surface of connecting piece 1 and the last fixed surface of casing 2 are connected, can install the device through being equipped with connecting piece 1, the interior bottom wall fixedly connected with first sealing washer 22 of barrel 14, the inner wall of first sealing washer 22 contacts with the surface of slide bar 20, can slide hole 21 seal through being equipped with first sealing washer 22, avoid the dust to enter into inside the device, slide bar 20's surface fixedly connected with connecting seat 19, connecting seat 19's bottom surface and the last fixed surface who connects concave plate 3 are connected, can consolidate slide bar 20 and connection concave plate 3 through being equipped with connecting seat 19, prevent that connection concave plate 3 from appearing not hard up.

The bottom surface fixedly connected with second sealing washer 23 of piston plate 15, the surface of second sealing washer 23 contacts with the inner wall of barrel 14, can seal piston plate 15 through second sealing washer 23, prevent that piston plate 15 department from leaking, two second jacks 8 have been seted up to the upper surface of connecting plate 5, the equal sliding connection of inner wall of every second jack 8 has second inserted bar 9, the upper surface of every second inserted bar 9 all with connect the bottom surface fixed connection of concave plate 3, can fix a position connecting plate 5 through being equipped with second inserted bar 9 and second jack 8, prevent that connecting plate 5 from appearing not hard up when using.

The working principle of the utility model is as follows:

when the device is used, the device is installed through the connecting piece 1, and when the chisel head 4 needs to be replaced, the threaded rod 18 is rotated, the threaded rod 18 pulls the push plate 10 to move through threaded movement with the threaded hole 7, the push plate 10 drives the first inserted rod 11 to move out of the first jack 12, the first inserted rod 11 is enabled to release the positioning of the connecting block 13, the connecting block 13 is enabled to move downwards, therefore a worker can replace the chisel head 4, and the new chisel head 4 is reversely operated to quickly replace the new chisel head 4.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A hydraulic breaking hammer convenient to change chisel head, its characterized in that: including casing (2), the inner wall fixedly connected with barrel (14) of casing (2), slide hole (21) have been seted up to the bottom surface of barrel (14), the inner wall sliding connection of slide hole (21) has slide bar (20), the top fixedly connected with piston board (15) of slide bar (20), the last fixed surface of barrel (14) is connected with pneumatic cylinder (6), the output of pneumatic cylinder (6) and the top fixed connection of piston board (15), the bottom fixedly connected with of slide bar (20) connects concave plate (3), the inside of connecting concave plate (3) is equipped with connecting block (13), two first jacks (12) have all been seted up to the left and right sides face of connecting block (13), every the inner wall equal sliding connection of first jack (12) has first inserted bar (11), two recesses (17) have been seted up to the inner wall of connecting concave plate (3), every recess (17) the inside wall equal sliding connection push pedal (10), two sets of first inserted bar (11) keep away from each other and two screw hole (7) are close to each other, threaded hole (7) are all connected with each other, two the bearing (16) are all fixedly inlayed to one side that push pedal (10) kept away from each other, two the one end that threaded rod (18) are close to each other is respectively with the inner ring inner wall fixed connection of two bearings (16), the bottom surface fixedly connected with connecting plate (5) of connecting block (13), the bottom surface fixedly connected with chisel head (4) of connecting plate (5).

2. A hydraulic breaking hammer for facilitating replacement of a chisel head as claimed in claim 1 wherein: the upper part of the shell (2) is provided with a connecting piece (1), and the bottom surface of the connecting piece (1) is fixedly connected with the upper surface of the shell (2).

3. A hydraulic breaking hammer for facilitating replacement of a chisel head as claimed in claim 1 wherein: the inner bottom wall of the cylinder body (14) is fixedly connected with a first sealing ring (22), and the inner wall of the first sealing ring (22) is contacted with the outer surface of the sliding rod (20).

4. A hydraulic breaking hammer for facilitating replacement of a chisel head as claimed in claim 1 wherein: the outer surface of the sliding rod (20) is fixedly connected with a connecting seat (19), and the bottom surface of the connecting seat (19) is fixedly connected with the upper surface of the connecting concave plate (3).

5. A hydraulic breaking hammer for facilitating replacement of a chisel head as claimed in claim 1 wherein: the bottom surface of piston plate (15) fixedly connected with second sealing washer (23), the surface of second sealing washer (23) contacts with the inner wall of barrel (14).

6. A hydraulic breaking hammer for facilitating replacement of a chisel head as claimed in claim 1 wherein: two second jacks (8) are formed in the upper surface of the connecting plate (5), second inserting rods (9) are connected to the inner walls of the second jacks (8) in a sliding mode, and the upper surface of each second inserting rod (9) is fixedly connected with the bottom surface of the connecting concave plate (3).