Improved structure of fastening type breaking hammer

Abstract

The utility model is applicable to the technical field of fastening of a mute body and a shell of a breaking hammer of an excavator, and provides an improved fastening type breaking hammer structure which comprises an outer sleeve, one end of the outer sleeve is connected with a lower cylinder shell and a side plate, the bottom end of the side plate is connected with the outer sleeve, one end of the lower cylinder shell is connected with a middle cylinder shell, and the other end of the middle cylinder shell is connected with an upper cylinder shell. One end of the middle cylinder body shell is connected with an upper cylinder body shell, the same two sides of the lower cylinder body shell, the middle cylinder body shell and the upper cylinder body shell are connected with side plates, the outer wall of one end of the upper cylinder body shell is connected with a connecting piece, the other end of the upper cylinder body shell is connected with a connecting support, and the outer walls of the side plates are connected with reinforcing ribs. One end of the reinforcing rib is connected with the connecting support, the drill rod is arranged in the outer sleeve, and the drill rod is connected with the outer sleeve in a penetrating mode, through the design of the tight fixing type outer shell, the breaking hammer is more convenient to assemble and disassemble, and the shockproof effect can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fastening a silent body and a shell of an excavator breaker hammer, and more specifically, to an improved structure of a fastening breaker hammer. Background Art

[0002] A breaker hammer, also known as a hydraulic breaker or hydraulic rock breaker, is an important working tool of a hydraulic excavator. A breaker hammer can also be installed on an excavator loader or wheel loader for crushing operations. The power source of the breaker hammer is the pressure oil provided by the pump station of the excavator or loader, which can more effectively clean floating stones and soil in rock gaps when digging the foundation of a building.

[0003] The existing structure of a breaker hammer is roughly that the body and the shell are fastened by clamping bolts, but such operation cannot achieve the fastening of the body and the shock-absorbing block up and down. Therefore, when the breaker hammer is in working state, the body will still shake in the shell and generate noise, and the effect of the silent shell cannot be reflected. At the same time, the shaking will cause the parts to loosen and reduce the service life of the breaker hammer. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an improved structure of a fastened breaker hammer to solve the problem that when the breaker hammer is in working state, the breaker hammer body and the shell are not fastened enough, which will cause shaking and noise and loose parts.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The improved structure of a fastened breaker hammer comprises a jacket, one end of which is connected to a lower cylinder housing and a side plate, the bottom end of the side plate is connected to the jacket, one end of the lower cylinder housing is connected to a middle cylinder housing, one end of the middle cylinder housing is connected to an upper cylinder housing, the lower cylinder housing, the middle cylinder housing and the upper cylinder housing all have the same two sides connected to the side plates, the outer wall of one end of the upper cylinder housing is connected to a connector, and the other end is connected to a connecting bracket, the outer wall of the side plate is connected to a reinforcing rib, one end of the reinforcing rib is connected to the connecting bracket, a drill rod is arranged in the jacket, and the drill rod is connected to the jacket through and through;

[0007] The utility model is further configured as follows: the connecting bracket includes a second mounting plate, one end of the second mounting plate is connected to the upper cylinder body shell and the side plate, and the other end thereof is connected to the first mounting plate, a connecting bolt is connected between the first mounting plate and the second mounting plate, the first mounting plate and the second mounting plate are connected by a plurality of connecting bolts, both sides of the outer wall of one end of the first mounting plate are provided with a fixing plate, a connecting plate is connected between the fixing plates, the bottom end of the connecting plate is connected to the first mounting plate, a connecting shaft is connected between the fixing plates, and the connecting shaft is connected through the fixing plate;

[0008] The utility model is further configured as follows: an upper cylinder body, a middle cylinder body and a lower cylinder body are respectively arranged in the upper cylinder body shell, the middle cylinder body shell and the lower cylinder body shell, one end of the upper cylinder body is connected with a plurality of through bolts, the through bolts are through-connected with the upper cylinder body, the middle cylinder body and the lower cylinder body, a fixing piece is arranged between the through bolts, and one end of the fixing piece is connected with the upper cylinder body;

[0009] The utility model is further configured as follows: a cushion block is provided at the top of the upper cylinder body, a fastening screw is provided on the cushion block, a fastening nut is provided on the outer sleeve of the fastening screw, a spring is connected between the cushion block and the fastening nut, and a shock absorbing block is connected to the bottom end of the cushion block;

[0010] The utility model is further configured as follows: one end of the drill rod is connected to a piston, the piston is arranged in the middle cylinder body, and the piston is connected through the middle cylinder body; one end of the piston is provided with an accumulator, the other end of the piston is provided with a nitrogen chamber, the nitrogen chamber is arranged in the upper cylinder body, and the drill rod is connected through the lower cylinder body.

[0011] The advantages of the utility model are:

[0012] The utility model utilizes locking screws, which can make the breaker hammer more durable as a whole and more convenient to assemble and disassemble after being assembled. At the same time, the spring can make the breaker hammer more shock-resistant as a whole, effectively improve the shockproof effect, reduce the influence of vibration on the breaker hammer, reduce the probability of parts loosening, increase the service life of the breaker hammer, and improve the work efficiency of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the overall device of the utility model.

[0014] Figure 2 It is a three-dimensional schematic diagram of the overall device of the utility model from another perspective.

[0015] Figure 3 It is a three-dimensional schematic diagram of the internal structure of the overall device of the utility model.

[0016] Figure 4It is a top view of the internal structure of the overall device of the utility model.

[0017] Figure 5 for Figure 4 Cross-sectional view at AA.

[0018] In the figure: 1. drill rod; 2. outer sleeve; 3. side plate; 4. lower cylinder housing; 41. lower cylinder; 5. middle cylinder housing; 51. middle cylinder; 6. upper cylinder housing; 61. upper cylinder; 62. fastening screws; 63. fastening nuts; 64. spring; 65. pad; 66. shock absorber; 7. reinforcing rib; 8; connecting piece; 9. connecting bracket; 91. fixing plate; 92. connecting plate; 93. connecting shaft; 94. first mounting plate; 95. second mounting plate; 96. connecting bolt; 10. through bolt; 11. fixing piece; 12. piston; 13. accumulator; 14. nitrogen chamber. DETAILED DESCRIPTION

[0019] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0020] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0021] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0022] Embodiment 1

[0023] See also Figure 1-5 , the utility model provides the following technical solutions:

[0024] Specifically, it refers to an improved structure of a fastened breaker hammer, including a jacket 2, the right side of which is connected to a lower cylinder housing 4 and a side plate 3, there are two side plates 3, and they are distributed on the left and right sides, the left sides of the two side plates 3 are connected to the jacket 2, the right side of the lower cylinder housing 4 is connected to a middle cylinder housing 5, the right side of the middle cylinder housing 5 is connected to an upper cylinder housing 6, the left and right sides of the lower cylinder housing 4, the middle cylinder housing 5 and the upper cylinder housing 6 are respectively connected to the two side plates 3, the upper end of the upper cylinder housing 6 is connected to a connecting piece 8, and the front end thereof is connected to a connecting bracket 9, the outer walls of the two side plates 3 are connected to reinforcing ribs 7, the front end of the reinforcing ribs 7 is connected to the connecting bracket 9, a drill rod 1 is arranged in the jacket 2, and the drill rod 1 is connected to the jacket 2 through and through;

[0025] The connecting bracket 9 includes a second mounting plate 95, the left side of which is connected to the upper cylinder housing 6 and the two side plates 3, and the right side of which is connected to the first mounting plate 94, a connecting bolt 96 is connected between the first mounting plate 94 and the second mounting plate 95, the first mounting plate 94 and the second mounting plate 95 are connected by a plurality of connecting bolts 96, the connecting bolts 96 are connected through the first mounting plate 94 and the second mounting plate 96, two fixing plates 91 are arranged at both ends of the outer wall on the right side of the first mounting plate 94, two connecting plates 92 are connected between the two fixing plates 91, the left sides of the two connecting plates 92 are both connected to the first mounting plate 94, two connecting shafts 93 are connected between the two fixing plates 91, and the two connecting shafts 93 are connected through the two fixing plates 91;

[0026] An upper cylinder body 61, a middle cylinder body 51 and a lower cylinder body 41 are respectively arranged in the upper cylinder body shell 6, the middle cylinder body shell 5 and the lower cylinder body shell 4. A plurality of through bolts 10 are arranged on the right side of the upper cylinder body 61, and the through bolts 10 are connected to the upper cylinder body 61, the middle cylinder body 51 and the lower cylinder body 41. The through bolts 10 penetrate the upper cylinder body 61, the middle cylinder body 51 and the lower cylinder body 41 and fix them. A fixing piece 11 is arranged between the through bolts 10, and the left side of the fixing piece 11 is connected to the upper cylinder body 61.

[0027] A cushion block 65 is provided at the upper end of the upper cylinder body 61, a fastening screw 62 is provided on the cushion block 65, a fastening nut 63 is provided on the outer sleeve of the fastening screw 62, a spring 64 is provided between the cushion block 65 and the fastening nut 63, the spring plays a role of shock absorption and buffering here, a shock absorbing block 66 is connected to the bottom end of the cushion block 65, the shock absorbing block 66 is connected through the upper cylinder body 61, the fastening screw 62 is connected through the upper cylinder body 61, the cushion block 65, the fastening nut 63, the spring 64 and the shock absorbing block 66 and plays a fixing role, and the fastening screw 62 is connected through the upper cylinder body shell 6 and plays a fastening role;

[0028] One end of the drill rod 1 is connected to a piston 12, and the movement of the piston 12 drives the drill rod 1 to move. The piston 12 is arranged in the middle cylinder body 51, and the piston 12 and the middle cylinder body 51 are connected through and through. An accumulator 13 is arranged at the upper end of the piston 12, and a nitrogen chamber 14 is arranged at the front end of the piston 12. The nitrogen chamber 14 is arranged in the upper cylinder body 61, and the drill rod 1 is connected through and through with the lower cylinder body 41.

[0029] The working principle of a device provided by the utility model is as follows:

[0030] In this embodiment, when the breaker is in working state, the drill rod 1 continuously performs vertical reciprocating motion to break the object, which causes the upper cylinder housing 6, the middle cylinder housing 5, and the lower cylinder housing 4 to shake, and the housing is fixed to the cylinder assembly by the fastening screw 62, which is more firm. At the same time, when vibrating, the spring 64 continuously extends and compresses to provide a buffer for the shaking of the housing, thereby avoiding damage to the housing due to excessive shaking.

[0031] The utility model utilizes the fastening screw 62. After the fastening screw 62 is assembled, the breaker hammer can be made more durable as a whole and more convenient to assemble and disassemble. At the same time, the spring 64 can make the breaker hammer more shock-resistant as a whole, effectively improve the shockproof effect, reduce the influence of vibration on the breaker hammer, reduce the probability of parts loosening, increase the service life of the breaker hammer, and improve the work efficiency of workers.

[0032] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0033] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0035] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. Improved structure of fastened breaker, characterized by: The invention comprises a jacket (2), one end of the jacket (2) is connected to a lower cylinder housing (4) and a side plate (3), the bottom end of the side plate (3) is connected to the jacket (2), one end of the lower cylinder housing (4) is connected to a middle cylinder housing (5), one end of the middle cylinder housing (5) is connected to an upper cylinder housing (6), the lower cylinder housing (4), the middle cylinder housing (5) and the upper cylinder housing (6) all have the same two sides connected to the side plate (3), the outer wall of one end of the upper cylinder housing (6) is connected to a connecting piece (8), and the other end thereof is connected to a connecting bracket (9), the outer wall of the side plate (3) is connected to a reinforcing rib (7), one end of the reinforcing rib (7) is connected to the connecting bracket (9), a drill rod (1) is arranged in the jacket (2), and the drill rod (1) is connected to the jacket (2) through and through.

2. The improved structure of the fastened breaker according to claim 1 is characterized in that: The connecting bracket (9) comprises a second mounting plate (95), one end of which is connected to the upper cylinder housing (6) and the side plate (3), and the other end of which is connected to the first mounting plate (94), a connecting bolt (96) is connected between the first mounting plate (94) and the second mounting plate (95), the first mounting plate (94) and the second mounting plate (95) are connected by a plurality of connecting bolts (96), both sides of the outer wall of one end of the first mounting plate (94) are provided with fixing plates (91), a connecting plate (92) is connected between the fixing plates (91), the bottom end of the connecting plate (92) is connected to the first mounting plate (94), a connecting shaft (93) is connected between the fixing plates (91), and the connecting shaft (93) is connected to the fixing plate (91) through and through.

3. The improved structure of the fastened breaker according to claim 2 is characterized in that: An upper cylinder body (61), a middle cylinder body (51) and a lower cylinder body (41) are respectively arranged in the upper cylinder body shell (6), the middle cylinder body shell (5) and the lower cylinder body shell (4); one end of the upper cylinder body (61) is connected to a plurality of through bolts (10); the through bolts (10) are through-connected to the upper cylinder body (61), the middle cylinder body (51) and the lower cylinder body (41); fixing members (11) are arranged between the through bolts (10); one end of the fixing member (11) is connected to the upper cylinder body (61).

4. The improved structure of the fastened breaker hammer according to claim 3 is characterized in that: A cushion block (65) is provided at the top end of the upper cylinder body (61), a fastening screw (62) is provided on the cushion block (65), a fastening nut (63) is provided on the outer sleeve of the fastening screw (62), a spring (64) is connected between the cushion block (65) and the fastening nut (63), and a shock absorbing block (66) is connected to the bottom end of the cushion block (65).

5. The improved structure of the fastened breaker hammer according to claim 4 is characterized in that: One end of the drill rod (1) is connected to a piston (12), the piston (12) is arranged in a middle cylinder body (51), and the piston (12) and the middle cylinder body (51) are connected through and through, one end of the piston (12) is provided with an accumulator (13), the other end of the piston (12) is provided with a nitrogen chamber (14), and the nitrogen chamber (14) is arranged in an upper cylinder body (61), and the drill rod (1) is connected through and through with a lower cylinder body (41).

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