Continuous impact type beating air hammer
By employing a sliding sleeve and ball bearing fixing structure in the continuous impact hammer, the problem of time-consuming and labor-intensive hammer replacement is solved, enabling rapid replacement and reducing vibration, thereby improving the equipment's efficiency and lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-24
AI Technical Summary
The existing continuous impact hammer requires the use of various specialized disassembly tools and the disassembly of multiple parts when replacing the hammer head, which is time-consuming, labor-intensive, prolongs equipment downtime, and increases maintenance costs.
The use of a sliding sleeve and ball bearing fixing structure allows the hammer head to be easily pulled out after being released from its fixing position by moving the sliding sleeve, making replacement a simple operation; combined with springs and dampers, it reduces vibration and extends the equipment's lifespan.
This enables quick replacement of hammerheads, reduces maintenance time and costs, improves equipment efficiency and stability, and extends equipment lifespan.
Smart Images
Figure CN224027582U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a hammering air hammer technical field, especially a continuous impact type hammering air hammer. BACKGROUND
[0002] In the industrial production, construction and all kinds of need to hammer the scene of object operation, continuous impact type hammering air hammer becomes the very key tool by its efficient impact performance, it can produce continuous and powerful impact in a short time, greatly improves the operation efficiency, is widely used in ore crushing, metal forging, concrete demolition and many other fields.
[0003] The main structure of the continuous impact type hammering air hammer commonly seen in the current market adopts an integrated design idea. The internal core structure of the equipment is a compressed air driving system. When the external air source is connected, compressed air enters the air chamber, and the piston moves at high speed in the closed cavity. The kinetic energy of the piston is transmitted to the hammer head through the transmission component, and the hammer head is subjected to high-frequency and high-intensity continuous hammering operation on the target object.
[0004] The existing continuous impact type hammering air hammer is directly collided with the object to be struck by the hammer head during work, and the hammer head is easily worn under the action of strong impact force and friction. When the hammer head needs to be replaced, maintenance personnel need to use various professional disassembly tools to disassemble the multiple components of the air hammer to remove the worn hammer head. This process not only consumes time and effort, but also greatly prolongs the downtime of the equipment, increases the maintenance cost, and restricts the continuity and efficiency of the work process. Therefore, a continuous impact type hammering air hammer is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a continuous impact type hammering air hammer, which aims to improve the problem that in the prior art, when the hammer head is replaced, various professional disassembly tools are needed to disassemble the multiple components of the air hammer to remove the worn hammer head, which is time-consuming and laborious.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A continuous impact type hammering air hammer, comprising a shell, a gas filling connector is fixedly connected to the upper surface of the shell, a gas cavity is formed in the shell, a piston is slidably connected in the shell, a spring one is sleeved on the side wall of the piston, a hammer head is arranged in the piston, a fixing assembly is arranged in the piston, and a damping assembly is arranged in the shell.
[0008] The fixed assembly includes a sliding sleeve, the sliding sleeve is slidably connected to the piston side wall, the piston side wall is fixedly connected to a limiting block one, the piston side wall is fixedly connected to a limiting block two, the piston is internally provided with a ball, the piston side wall is sleeved with a spring two, and the hammer head is internally provided with a clamping groove.
[0009] As a further description of the above technical solution:
[0010] The damping assembly includes a damper, the shell is internally fixedly connected with a base, and the base is internally fixedly connected with a fixed rod.
[0011] As a further description of the above technical solution:
[0012] The piston side wall is slidably connected to the hammer head, one end of the spring two is fixedly connected to the limiting block one side wall, the other end of the spring two is fixedly connected to the sliding sleeve side wall, and the ball side wall is slidably connected to the clamping groove.
[0013] As a further description of the above technical solution:
[0014] The fixed rod side wall is slidably connected with a sliding block, and the fixed rod side wall is sleeved with a spring three.
[0015] As a further description of the above technical solution:
[0016] The sliding block side wall is rotatably connected with a rotating plate, one end of the rotating plate is rotatably connected with a connecting block, the connecting block upper surface is fixedly connected with a connecting ring, and the connecting ring side wall is slidably connected to the shell.
[0017] As a further description of the above technical solution:
[0018] One end of the spring one is fixedly connected to the piston side wall, and the other end of the spring one is fixedly connected to the connecting ring side wall.
[0019] As a further description of the above technical solution:
[0020] One end of the spring three is fixedly connected to the base side wall, and the other end of the spring three is fixedly connected to the sliding block side wall.
[0021] As a further description of the above technical solution:
[0022] The rotating plate side wall is fixedly connected with a fixed block, and the damper side wall is rotatably connected between the fixed blocks.
[0023] The utility model has the advantages of the following:
[0024] 1. The utility model discloses a hammer head is taken down and is replaced to reach the quick installation effect, solve part one kind of continuous impact type beating gas log head is integrated structure's gas log head, when the hammer head is replaced, need use a plurality of professional dismounting tools, the plurality of components of gas log head are disassembled, can take out the worn hammer head, this process not only time -consuming and labor -intensive, still prolongs the downtime of equipment, increases the maintenance cost's problem, improves the replacement efficiency of equipment through above -mentioned structure.
[0025] 2. The utility model discloses when the piston drives the hammer head to slide down, will extrude spring no. 1, simultaneously the push that it generates will extrude connecting ring, make it push rotary plate rotation, and then in letting sliding block extrude spring no. 3, damper also will be stretched, and then reach the buffer effect when impact, reduce the damage to internal structure, prolong the service life of gas log head. ACCOUT OF DRAWINGS
[0026] Figure 1 It is a kind of continuous impact type beating gas log head's three-dimensional schematic view for the utility model proposes;
[0027] Figure 2 It is the structure schematic view of the shell inside for the utility model proposes a kind of continuous impact type beating gas log head;
[0028] Figure 3 It is the structure schematic view of the piston for the utility model proposes a kind of continuous impact type beating gas log head;
[0029] Figure 4 It is the structure schematic view of the base for the utility model proposes a kind of continuous impact type beating gas log head.
[0030] LEGEND:
[0031] 1, shell, 2, inflation connector, 3, hammer head, 4, air cavity, 5, piston, 6, spring no. 1, 7, limit block no. 1, 8, limit block no. 2, 9, sliding sleeve, 10, ball, 11, spring no. 2, 12, clamping groove, 13, base, 14, fixed rod, 15, sliding block, 16, spring no. 3, 17, rotary plate, 18, connecting block, 19, fixed block, 20, damper, 21, connecting ring. DETAILED DESCRIPTION
[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0033] With reference to Figures 1-3 The utility model provides a kind of continuous impact type hammering gas mallet, including shell 1, the upper surface of shell 1 is fixedly connected with inflation joint 2, inflation joint 2 is used to connect external inflation equipment, gas is filled into gas mallet interior, and power source is provided for the work of gas mallet, gas cavity 4 is set in shell 1 interior, gas cavity 4 is used to store gas filled by inflation joint 2, ensure that gas can stably push subsequent component operation, piston 5 is slidably connected in shell 1 interior, spring one 6 is set on the side wall of piston 5, spring one 6 plays the reset action in the movement process of piston 5, when the gas pressure that pushes piston 5 disappears, spring one 6 will push piston 5 back to initial position, so as to accept gas push next time, realize continuous work, hammer head 3 is arranged in piston 5 interior, hammer head 3 is used to directly carry out hammering operation to target object, fixed assembly is arranged in piston 5 interior, damping assembly is arranged in shell 1 interior, fixed assembly includes sliding sleeve 9, sliding sleeve 9 inner wall is slidably connected in the side wall of piston 5, sliding sleeve 9 provides the operation of subsequent component with guiding effect, limit block one 7 is fixedly connected in the side wall of piston 5, limit block one 7 is used to limit the sliding range of sliding sleeve 9, prevent sliding sleeve 9 from over-sliding and separating from piston 5, ensure the normal work of fixed assembly, limit block two 8 is fixedly connected in the side wall of piston 5, limit block two 8 cooperates with limit block one 7, further accurately control the sliding interval of sliding sleeve 9, ball 10 is arranged in piston 5 interior, spring two 11 is set on the side wall of piston 5, clamping groove 12 is set in hammer head 3 interior, the side wall of hammer head 3 is slidably connected in piston 5 interior, one end of spring two 11 is fixedly connected in the side wall of limit block one 7, the other end of spring two 11 is fixedly connected in the side wall of sliding sleeve 9, the side wall of ball 10 is slidably connected in clamping groove 12 interior, when installing hammer head 3, hammer head 3 is inserted into piston 5, clamping groove 12 of hammer head 3 extrudes ball 10, makes ball 10 move to piston 5 interior, simultaneously, sliding sleeve 9 slides to the direction of limit block one 7 under the action of spring two 11, when clamping groove 12 moves to the position corresponding with ball 10, spring two 11 resets sliding sleeve 9, makes ball 10 be clamped into clamping groove 12, so as to fix hammer head 3 in piston 5, this fixed mode makes hammer head 3 installation and removal convenient, and connection is stable in the working process, can effectively transmit the impact force of piston 5, improves hammering effect;
[0034] With reference to Figure 2 And Figure 4The damping assembly comprises a damper 20, the housing 1 is internally fixedly connected with a base 13, the base 13 is internally fixedly connected with a fixed rod 14, the fixed rod 14 provides guidance for sliding of a sliding block 15, ensures that the movement direction of the sliding block 15 is stable, the fixed rod 14 is slidably connected with the sliding block 15 on the side wall, the sliding block 15 can slide on the fixed rod 14, and the force generated by the vibration is transmitted to other components, the fixed rod 14 is sleeved with a spring three 16 on the side wall, the spring three 16 plays a role in buffering and storing energy when the sliding block 15 slides, when the sliding block 15 slides in the direction of the base 13 due to the vibration, the spring three 16 is compressed to store elastic potential energy; when the vibration weakens, the spring three 16 releases the elastic potential energy, and pushes the sliding block 15 to reset, the sliding block 15 is rotatably connected with a rotating plate 17 on the side wall, the rotating plate 17 can rotate around the connecting point with the sliding block 15, converts the linear motion of the sliding block 15 into rotary motion, and transmits the rotary motion to a connecting block 18, one end of the rotating plate 17 is rotatably connected with the connecting block 18, the connecting block 18 transmits the motion of the rotating plate 17 to a connecting ring 21, the connecting block 18 is fixedly connected with the connecting ring 21 on the upper surface, the connecting ring 21 is slidably connected in the housing 1, the connecting ring 21 can slide in the housing 1, and is connected with the spring one 6, transmits the vibration to the spring one 6, one end of the spring one 6 is fixedly connected on the side wall of the piston 5, the other end is fixedly connected on the side wall of the connecting ring 21, the spring one 6 further buffers the vibration generated by the movement of the piston 5, and simultaneously plays a role in connecting and force transmission between the piston 5 and the connecting ring 21, one end of the spring three 16 is fixedly connected on the side wall of the base 13, the other end is fixedly connected on the side wall of the sliding block 15, further ensures the buffering and resetting effect of the spring three 16 on the sliding block 15, the rotating plate 17 is fixedly connected with a fixed block 19 on the side wall, the damper 20 is rotatably connected between the fixed blocks 19 on the side wall, the damper 20 is usually filled with oil liquid in the inside, when the damper 20 moves, the medium in the inside will generate viscous resistance, converts the mechanical energy of the vibration into heat energy and other forms of energy and dissipates, so as to realize effective buffering and absorption of the vibration of the air hammer during work, ensure stable work of the air hammer, and improve the use experience of the operator and the service life of the equipment.
[0035] Working principle: in the operation of the pneumatic hammer, first of all through the inflation joint 2, the outside compressed air is introduced, the compressed air rapidly flows into the cavity 4 opened in the shell 1, the gas pressure in the cavity 4 rapidly rises, acts on the piston 5, drives the piston 5 to slide down along the cavity 4, in the process, the spring one 6 sleeved on the side wall of the piston 5 is compressed by the piston 5 and is compressed, the spring one 6 starts to store elastic potential energy, prepares for the reset of the piston 5, the piston 5 is provided with a hammer head 3, when the piston 5 slides down, the hammer head 3 can move down synchronously with the piston 5, when the piston 5 slides to the bottom of the cavity 4, the hammer head 3 obtains the kinetic energy transmitted by the piston 5, impacts the target object at high speed, completes a impact action, so as to realize the beating work of the object, then the inside is emptied, the spring one 6 rebounds and pushes the piston 5 to reset, so as to realize the continuous beating of the object, when the hammer head 3 needs to be replaced, the sleeve 9 is manually moved to the limiting block one 7 direction, the extrusion force of the ball 10 disappears, the ball 10 can move in the piston 5, and then the fixing of the hammer head 3 is released, at this time, the hammer head 3 can be taken out from the piston 5 by pulling outward, the old hammer head 3 is disassembled, when the new hammer head 3 is installed, only need to insert the new hammer head 3 into the piston 5, make the clamping groove 12 align with the ball 10, then loosen the sleeve 9, under the action of the spring two 11, the sleeve 9 resets, extrudes the ball 10 again, so that the ball 10 is clamped into the clamping groove 12 of the new hammer head 3, realizes the fixation of the new hammer head 3, when the piston 5 impacts downward, the spring one 6 is compressed, the connecting ring 21 moves downward, the connecting ring 21 drives the rotating plate 17 to rotate around the sliding block 15 through the connecting block 18, makes the sliding block 15 slide on the fixed rod 14, and then compresses the spring three 16, in addition, in the rotating process of the rotating plate 17, the damper 20 generates damping force, and acts together with the spring three 16, absorbs and buffers the vibration energy generated by the piston 5, effectively reduces the transmission of vibration to the shell 1 and other components, reduces the overall vibration amplitude of the pneumatic hammer during work, improves the operation stability and comfort.
[0036] Finally, it should be pointed out that: the above only for preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.
Claims
1. A continuous impact sledge hammer comprising a housing (1), characterized in that: The shell (1) upper surface is fixedly connected with the inflation joint (2), the shell (1) is internally provided with air cavity (4), the shell (1) is slidably connected with the piston (5), the piston (5) side wall is provided with spring one (6), the piston (5) is provided with hammer head (3), the piston (5) is provided with fixed assembly, the shell (1) is provided with damping assembly; The fixed assembly includes a sliding sleeve (9), the sliding sleeve (9) is slidably connected to the side wall of the piston (5), the piston (5) is fixedly connected with a limiting block one (7), the piston (5) is fixedly connected with a limiting block two (8), the piston (5) is provided with a ball (10), the piston (5) is provided with spring two (11), the hammer head (3) is internally provided with a clamping groove (12).
2. A continuous impact sledgehammer according to claim 1, characterized in that: The damping assembly includes a damper (20), the shell (1) is fixedly connected with a base (13), the base (13) is fixedly connected with a fixed rod (14).
3. A continuous impact sledgehammer according to claim 1, characterized in that: The side wall of the hammer head (3) is slidably connected in the piston (5), one end of the spring two (11) is fixedly connected to the side wall of the limiting block one (7), the other end of the spring two (11) is fixedly connected to the side wall of the sliding sleeve (9), the side wall of the ball (10) is slidably connected in the clamping groove (12).
4. A continuous impact sledgehammer according to claim 2, characterized in that: The side wall of the fixed rod (14) is slidably connected with a sliding block (15), the fixed rod (14) is provided with spring three (16).
5. A continuous impact sledgehammer according to claim 4, characterized in that: The side wall of the sliding block (15) is rotatably connected with a rotating plate (17), one end of the rotating plate (17) is rotatably connected with a connecting block (18), the upper surface of the connecting block (18) is fixedly connected with a connecting ring (21), the side wall of the connecting ring (21) is slidably connected in the shell (1).
6. A continuous impact sledgehammer according to claim 5, characterized in that: One end of the spring one (6) is fixedly connected to the side wall of the piston (5), the other end of the spring one (6) is fixedly connected to the side wall of the connecting ring (21).
7. A continuous impact sledgehammer according to claim 4, characterized in that: One end of the spring three (16) is fixedly connected to the side wall of the base (13), the other end of the spring three (16) is fixedly connected to the side wall of the sliding block (15).
8. A continuous impact sledgehammer according to claim 5, characterized in that: The side wall of the rotating plate (17) is fixedly connected with a fixed block (19), the side wall of the damper (20) is rotatably connected between the fixed blocks (19).