Impact type pneumatic knocking hammer

Abstract

The utility model belongs to the technical field of pneumatic hammers, and particularly discloses an impact type pneumatic knocking hammer which comprises a pneumatic hammer body, a shell is arranged on the outer side of the pneumatic hammer body in a sleeved mode, a plurality of penetrating holes distributed in a rectangular array mode are formed in one side of the shell, a plurality of sliding grooves are formed in the positions, among the penetrating holes, of the shell, and first guide rails are arranged in the sliding grooves in a buckled mode. A plurality of second guide rails are arranged on the side, opposite to the first guide rails, of the pneumatic hammer body and located at a plurality of corners of the same side of the pneumatic hammer body, a plurality of limiting rods are inserted into a plurality of penetrating holes in the outer sides of the second guide rails and the first guide rails, and the outer side of each limiting rod is sleeved with a spring; a second connecting rod is fixed to the side, away from the shell, of one supporting block, the end of the second connecting rod is fixed to a first connecting rod, the supporting blocks are fixed to the two ends of the first connecting rod, a supporting rod is fixed to one end of the first connecting rod, a fixing base is fixed to the end, close to the first inclined strut, of the supporting rod, and a grip is fixed to one side of the fixing base.

Description

Technical Field

[0001] The utility model relates to the technical field of percussion hammers, in particular to an impact-type pneumatic percussion hammer. Background Art

[0002] The pneumatic percussion hammer uses compressed air as its power, which is released instantly to push the internal hammer head to hit the bottom, transferring the strong impact force to the hopper wall, effectively breaking the arch bridge formed by the material, loosening the accumulated material, and achieving the purpose of smooth ash unloading.

[0003] At present, most percussion hammers lack a buffer device at the hand-held part. For example, the utility model with patent number CN217648712U has a design omission that causes users to feel arm fatigue or discomfort after long-term use due to the large and continuous vibrations generated during the percussion process. Without proper buffering measures, these continuous vibrations will put a lot of pressure on the arm, which may not only cause arm muscle fatigue over time, but also cause long-term damage to the joints or muscles. Utility Model Content

[0004] The purpose of the utility model is to provide an impact pneumatic percussion hammer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an impact pneumatic percussion hammer, comprising a pneumatic hammer body, a shell is sleeved on the outside of the pneumatic hammer body, a plurality of through holes arranged in a rectangular array are opened on one side of the shell, a plurality of slide grooves are opened on the shell between the plurality of through holes, a first guide rail is buckled in the slide groove, a plurality of second guide rails are provided at a plurality of corners on the same side of the pneumatic hammer body on the side opposite to the first guide rail, a plurality of limit rods are inserted in the plurality of through holes on the outside of the second guide rail and the first guide rail, a spring is sleeved on the outside of each limit rod, a plurality of support blocks arranged in a triangle are provided on the side of the shell close to the through hole, one of the support blocks is away from the outer A second oblique brace and a second connecting rod are fixed to one side of the shell, the end of the second connecting rod is fixed to the middle part of the first connecting rod, support blocks are fixed to both ends of the first connecting rod, and a reinforcing brace is fixed to the side of the first connecting rod away from the shell, the end of the reinforcing brace away from the first connecting rod is fixed to the middle part of the first oblique brace, one end of the first oblique brace is connected to one end of the first connecting rod, and a support rod is fixed to the other end, a fixing seat is fixed to the end of the support rod close to the first oblique brace, another fixing seat identical to it is fitted to the side of the fixing seat, and a handle is fixed to the side of the other fixing seat away from the support rod, the spring cooperates with the shell to alleviate the vibration from the pneumatic hammer body, and the shell provides a connecting platform between the support block and the plurality of springs.

[0006] Preferably, a foam sleeve is provided on the outer side of the handle to alleviate vibration from the pneumatic hammer.

[0007] Preferably, a clamping block is provided on the same side of the two fixing seats, and the two fixing seats are hingedly connected to facilitate storage of the pneumatic hammer, and the clamping block prevents the handle from suddenly folding during operation.

[0008] Preferably, one end of the second diagonal brace is fixed on the support block, and the other end is fixed to the middle part of the second diagonal brace, cooperating with the second connecting rod to transfer the force exerted on the support block to the first diagonal brace.

[0009] Preferably, an air inlet pipe is provided on one side of the pneumatic hammer body close to the first guide rail to facilitate connection with the cylinder.

[0010] Preferably, one end of the spring is fixed to the pneumatic hammer body, and the other end is fixed to the shell, so as to prevent the shell from being separated from the pneumatic hammer body along the direction of the first and second guide rails.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model achieves the purpose of alleviating the vibration of the pneumatic hammer through the spring. The spring mechanism designed in the pneumatic hammer effectively reduces the vibration generated during the striking process, and significantly reduces the fatigue or discomfort of the arm during long-term use. It not only improves the user's operating comfort, but also prolongs the working time, and also improves work efficiency and overall work output. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the side section structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the shell structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the handle support structure of the utility model.

[0017] In the figure: 1. shell; 2. perforation; 3. support block; 4. first guide rail 5. air inlet pipe; 6. first diagonal support; 7. clamping block; 8. foam sleeve; 9. support rod; 10. second diagonal support; 11. second guide rail; 12. pneumatic hammer body; 13. spring; 14. limit rod; 15. slide groove; 16. reinforcement support; 17. handle; 18. first connecting rod; 19. second connecting rod; 20. fixing seat. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-4The utility model provides a technical solution: an impact pneumatic percussion hammer, including a pneumatic hammer body, a shell 1 is sleeved on the outside of the pneumatic hammer body 12, a plurality of through holes 2 arranged in a rectangular array are opened on one side of the shell 1, a plurality of slide grooves 15 are opened on the shell 1 between the plurality of through holes 2, a first guide rail is buckled in the slide groove 15, a plurality of second guide rails 11 are arranged at a plurality of corners on the same side of the pneumatic hammer body 12 on the side opposite to the first guide rail, a plurality of limit rods 14 are inserted in the plurality of through holes 2 on the outside of the second guide rail 11 and the first guide rail, a spring 13 is sleeved on the outside of each limit rod 14, a plurality of support blocks 3 arranged in a triangle are provided on the side of the shell 1 close to the through holes 2, a second diagonal brace 10 is fixed to one of the support blocks 3 away from the side of the shell 1 And the second connecting rod 19, the end of the second connecting rod 19 is fixed to the middle part of the first connecting rod 18, support blocks 3 are fixed at both ends of the first connecting rod 18, and a reinforcing support 16 is fixed to the side of the first connecting rod 18 away from the shell 1, and the end of the reinforcing support 16 away from the first connecting rod 18 is fixed to the middle part of the first diagonal support 6, one end of the first diagonal support 6 is connected to one end of the first connecting rod 18, and the other end is fixed with a support rod 9, and a fixing seat 20 is fixed to the end of the support rod 9 close to the first diagonal support 6, and another fixing seat 20 identical to it is attached to the side of the fixing seat 20, and a handle 17 is fixed to the side of the other fixing seat 20 away from the support rod 9, the spring 13 cooperates with the shell 1 to relieve the vibration from the pneumatic hammer body 12, and the shell 1 provides a connection platform between the support block 3 and the plurality of springs 13.

[0022] Furthermore, a foam sleeve 8 is provided on the outer side of the handle 17 to alleviate the vibration from the pneumatic hammer.

[0023] Furthermore, a clamping block 7 is provided on the same side of the two fixing seats 20, and the two fixing seats 20 are hingedly connected to facilitate storage of the pneumatic hammer, and the clamping block 7 prevents the handle 17 from being suddenly folded during operation.

[0024] Furthermore, one end of the second diagonal brace 10 is fixed on the support block 3 , and the other end is fixed to the middle part of the second diagonal brace 10 , cooperating with the second connecting rod 19 to transfer the force exerted on the support block 3 to the first diagonal brace 6 .

[0025] Furthermore, an air inlet pipe is provided on one side of the pneumatic hammer body 12 close to the first guide rail to facilitate connection with the cylinder.

[0026] Furthermore, one end of the spring 13 is fixed to the pneumatic hammer body 12 , and the other end is fixed to the housing 1 , so as to prevent the housing 1 from being separated from the pneumatic hammer body 12 along the direction of the first and second guide rails 11 .

[0027] Working principle: The device includes a pneumatic hammer body 12, which is equipped with a shell 1 on the periphery. One side of the shell 1 is designed with a plurality of through holes 2 arranged in a rectangular array, so that the limit rod 14 set inside can pass through the shell 1 during the movement of the shell 1 to prevent the limit rod 14 from hindering the movement of the shell 1. A slide groove 15 is provided between the through holes 2 for buckling the first guide rail. A second guide rail 11 corresponding to the first guide rail is provided at the corner on the same side of the pneumatic hammer body 12. The first guide rail and the second guide rail 11 are used together to limit the moving direction of the shell 1. A limit rod 14 is inserted into the through hole 2, and a spring 13 is installed on the outside of each limit rod 14. The spring 13 is used to alleviate the vibration from the pneumatic hammer body 12.

[0028] A plurality of support blocks 3 arranged in a triangle are provided on one side of the housing 1 close to the through hole 2. A second diagonal brace 10 and a second connecting rod 19 are fixed to one of the support blocks 3, and the end of the second connecting rod 19 is fixed to the middle part of the first connecting rod 18. Support blocks 3 are fixed to both ends of the first connecting rod 18, and a reinforcing brace 16 is fixed to the side away from the housing 1, and the other end of the reinforcing brace 16 is fixed to the middle part of the first diagonal brace 6. One end of the first diagonal brace 6 is connected to the first connecting rod 18, and a support rod 9 is fixed to the other end. The support rod 9, the first diagonal brace 6, the second diagonal brace 10, the first connecting rod 18, the second connecting rod 19 and the reinforcing brace 16 cooperate with each other to transmit the thrust of the handle 17 to the housing 1, and then transmit the thrust to the spring 13 through the housing 1, and the pneumatic hammer is pushed by the spring 13,

[0029] A fixing seat 20 is provided at one end of the support rod 9 close to the first diagonal support 6, and another fixing seat 20 identical thereto is attached to the side. A clamping block 7 is provided on the same side of the two fixing seats 20, and the two fixing seats 20 are hinged to facilitate the storage of the pneumatic hammer. A foam sleeve 8 is sleeved on the outside of the grip 17 to further alleviate vibration. In addition, the second diagonal support 10 and the second connecting rod 19 cooperate with each other to transfer the force exerted on the support block 3 to the first diagonal support 6. The pneumatic hammer body 12 is equipped with an air intake pipe on the side close to the first guide rail, and the connection with the cylinder is more convenient and direct. In order to ensure the stability and safety of the shell 1 during operation, a spring 13 is used for connection. One end of this spring 13 is fixed to the body of the pneumatic hammer, and the other end is fixed to the shell 1 to prevent the shell 1 from detaching from the pneumatic hammer body 12 in the direction of the first and second guide rails 11, and the limit rod 14 inserted inside the spring 13 is used to prevent the spring 13 from lateral displacement, thereby enhancing the stability and reliability of the overall structure.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An impact pneumatic percussion hammer, characterized in that: The invention comprises a pneumatic hammer body, wherein a shell (1) is sleeved on the outer side of the pneumatic hammer body (12), a plurality of through holes (2) arranged in a rectangular array are provided on one side of the shell (1), a plurality of slide grooves (15) are provided on the shell (1) between the plurality of through holes (2), a first guide rail is provided in the slide groove (15), a plurality of second guide rails (11) are provided at a plurality of corners on the same side of the pneumatic hammer body (12) on the side opposite to the first guide rail, a plurality of limit rods (14) are inserted in the plurality of through holes (2) on the outer side of the second guide rail (11) and the first guide rail, a spring (13) is sleeved on the outer side of each limit rod (14), a plurality of support blocks (3) arranged in a triangular shape are provided on a side of the shell (1) close to the through holes (2), one of the support blocks (3) is away from a side of the shell (1) A second oblique support (10) and a second connecting rod (19) are fixed on the side, the end of the second connecting rod (19) is fixed to the middle part of the first connecting rod (18), support blocks (3) are fixed to both ends of the first connecting rod (18), and a reinforcing support (16) is fixed on the side of the first connecting rod (18) away from the housing (1), and one end of the reinforcing support (16) away from the first connecting rod (18) is fixed to the middle part of the first oblique support (6), one end of the first oblique support (6) is connected to one end of the first connecting rod (18), and the other end is fixed with a support rod (9), and a fixed seat (20) is fixed on the end of the support rod (9) close to the first oblique support (6), and another fixed seat (20) identical to the fixed seat (20) is attached to the side surface of the fixed seat (20), and a handle (17) is fixed on the side of the other fixed seat (20) away from the support rod (9).

2. The impact pneumatic percussion hammer according to claim 1, characterized in that: The outer side of the handle (17) is sleeved with a foam sleeve (8).

3. The impact pneumatic percussion hammer according to claim 1, characterized in that: A clamping block (7) is buckled on the same side of the two fixing seats (20), and the two fixing seats (20) are hingedly connected.

4. The impact pneumatic percussion hammer according to claim 1, characterized in that: One end of the second diagonal brace (10) is fixed on the support block (3), and the other end is fixed to the middle part of the second diagonal brace (10).

5. The impact pneumatic percussion hammer according to claim 1, characterized in that: An air inlet pipe is provided on one side of the pneumatic hammer body (12) close to the first guide rail.

6. The impact pneumatic percussion hammer according to claim 1, characterized in that: One end of the spring (13) is fixed on the pneumatic hammer body (12), and the other end is fixed on the housing (1).

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