CN213358576U - Shock attenuation frog hammer - Google Patents

Abstract

The utility model belongs to the technical field of the ramming machine technique and specifically relates to a shock attenuation frog hammer, it includes the ramming machine body, the ramming machine body is provided with the base, be provided with damper and handheld piece on the base, damper includes the base, connecting piece and first spring, base fixed connection is in the base upper surface, and the base is inside to be the cavity setting, the connecting piece is inserted and is located the base top and slide with the base and be connected, and the connecting piece bottom is located the base cavity, the connecting piece top is located the base top and links to each other with handheld piece is articulated, first spring fixed connection is between base upper surface and connecting piece bottom. This application has the effect that alleviates frog hammer and to the vibration impact of arm at the during operation.

Description

Shock attenuation frog hammer

Technical Field

The application relates to the field of ramming machines, in particular to a shock-absorbing frog-type ramming machine.

Background

The frog rammer is a compaction machine for compacting backfill soil layer by using the action of impact and impact vibration. The frog rammer has the advantages of simple structure, convenient operation, higher efficiency, easy maintenance and wide application in building construction.

The existing Chinese patent with reference to publication number CN208072370U discloses a small frog hammer, which comprises a base and a hammer, wherein one side of the base is provided with a support, the hammer is arranged at the bottom of the support, the top of the support is provided with a first rotating shaft, a second belt wheel is arranged between the first rotating shafts, the base is provided with a fixed seat, the fixed seat is provided with a second rotating shaft, a first belt wheel is arranged between the second rotating shafts, the base is provided with a first motor, the first motor is provided with a first output shaft, the first output shaft is connected with the first belt wheel through a first crawler belt, the first belt wheel is connected with the second belt wheel through a second crawler belt, the second belt wheel is provided with a thread hole group, an eccentric block is arranged on the second belt wheel through the matching of a bolt and the thread hole group, both sides of the top of the hammer are provided with dust removing boxes, a water storage cavity is arranged, the ramming force is adjustable, certain dust gathering capacity is achieved, and whether the current ground is level or not can be judged.

In view of the above-mentioned related technologies, the inventor believes that the frog tamper vibrates greatly during the working process, and thus has the defect that the frog tamper impacts the arms of the human body greatly.

SUMMERY OF THE UTILITY MODEL

In order to alleviate frog hammer and strike the vibrations of arm at the during operation, this application provides a shock attenuation frog hammer.

The application provides a shock attenuation frog rammer adopts following technical scheme:

the utility model provides a shock attenuation frog hammer, includes the rammer body, the rammer body is provided with base, its characterized in that: be provided with damper and handheld piece on the base, damper includes base, connecting piece and first spring, and base fixed connection is in the base upper surface, and the base is inside to be the cavity setting, and the connecting piece is inserted and is located the base top and slide with the base and be connected, and the connecting piece bottom is located the base cavity, and the connecting piece top is located the base top and links to each other with handheld piece is articulated, first spring fixed connection is between base upper surface and connecting piece bottom.

Through adopting above-mentioned technical scheme, frog hammer at the during operation, the hammer body takes place vibrations, drives the base and produces vibrations, the first spring of fixedly connected with between connecting piece and the base upper surface, first spring can produce the buffering effect when the base vibrations, reduces the degree of vibrations, simultaneously, also reduces thereupon with the articulated handheld piece vibration range who links to each other in connecting piece top to the frog hammer has alleviateed the vibrations impact of frog hammer at the during operation to the arm.

Preferably, the connecting piece includes branch and connecting plate, and branch is inserted and is located the base top and slide with the base and be connected, and the branch bottom is located the base cavity and with connecting plate fixed connection, the connecting plate level set up and connecting plate side and base inner wall butt setting.

Through adopting above-mentioned technical scheme, when the base vibrations, elastic deformation takes place for first spring, and branch slides with the base and is connected and for the vertical slip of base, and the connecting plate side sets up with base inner wall butt, can follow the horizontal direction and carry on spacingly to the connecting plate, and the base also carries out the guide effect to the connecting plate from vertical direction simultaneously, has promoted damper's stability.

Preferably, the connecting rod is fixedly connected to one side of the connecting plate opposite to the base, the connecting rods on the connecting plate and the base are opposite to the connecting rod at intervals, and one end, far away from the connecting plate and the base, of the connecting rod is inserted into the first spring and clamped with the first spring.

Through adopting above-mentioned technical scheme, when ramming machine during operation, elastic deformation takes place for first spring when the base vibrations, and the connecting plate removes towards the direction that is close to the base, and the connecting rod is inserted and is located first spring in, plays the guide effect to the concertina movement of first spring, makes first spring stretch out and draw back along first spring axis direction, carries on spacingly to first spring, has improved the result of use of first spring.

Preferably, the outer side wall of the base is fixedly connected with a ribbed plate, and the bottom of the ribbed plate is fixedly connected with the base.

By adopting the technical scheme, the base is fixedly connected to the upper surface of the base, and the rib plates are fixedly connected with the base and the base, so that the connection stability of the base and the base is improved; simultaneously, floor and base fixed connection have promoted the tightness of base, more are applicable to the operational environment of the continuous vibrations of ramming machine, have prolonged ramming machine's life.

Preferably, the hand-held piece includes dead lever, grab handle, extensible member and second spring, and the dead lever bottom links to each other with the branch top is articulated, and the grab handle just sets up to the interval with the dead lever, and extensible member fixed connection is between dead lever and grab handle, and the second spring housing is located on the extensible member and fixed connection is between dead lever and grab handle.

Through adopting above-mentioned technical scheme, the ramming machine constantly shakes at the during operation, and extensible member and second spring fixed connection are between dead lever and grab handle, and the grab handle is non-rigid connection with the dead lever, and extensible member and the flexible effect that can produce the buffering to the grab handle of second spring alleviate the grab handle at the during operation to the vibrations impact force of arm, promote the comfort level when using.

Preferably, the diameter of the fixing rod is larger than that of the telescopic piece, a limiting groove is formed in the position, close to the second spring, of the top of the fixing rod, and the second spring is inserted into the limiting groove and fixedly connected with the fixing rod.

Through adopting above-mentioned technical scheme, the second spring is inserted and is located the spacing inslot of dead lever, carries on spacingly to the second spring on the circumference face from the second spring, has promoted the stability of second spring with the dead lever junction, reaches best result of use.

Preferably, the first spring is provided in plurality, and the first springs are arranged in parallel and spaced apart from each other.

By adopting the technical scheme, the plurality of first springs are arranged in parallel at intervals, so that the buffering effect of the first springs is improved, and the optimal damping effect is achieved; simultaneously the atress of first spring is more balanced, has promoted the equilibrium with the fixed connecting plate that links to each other of first spring, has promoted damper assembly's stability, reaches best shock attenuation effect.

Preferably, the handle is fixedly provided with a rubber protective layer.

By adopting the technical scheme, when the palm is in contact with the rubber protective layer, the rubber protective layer is soft and can deform slightly after being subjected to external force, so that the impact force is effectively weakened; meanwhile, the rubber protective layer increases the friction force with the hand, reduces the probability of slipping of the hand and the grab handle and achieves the best use effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the damping assembly, the effect of reducing vibration impact of the ramming machine body on the arm is generated;

2. by arranging the hand-held piece, the damping effect is improved;

3. through setting up the floor, produced the effect that improves damper assembly stability.

Drawings

FIG. 1 is a schematic view of the overall structure of a shock absorbing frog hammer of an embodiment of the present application;

FIG. 2 is a cross-sectional view highlighting the shock absorbing assembly;

fig. 3 is an exploded view highlighting the handpiece.

Description of reference numerals: 1. a ramming machine body; 2. a base; 3. a shock absorbing assembly; 31. a base; 32. a connecting member; 321. a strut; 322. a connecting plate; 33. a first spring; 4. a connecting rod; 5. a rib plate; 6. a handpiece; 61. fixing the rod; 611. a limiting groove; 62. a handle; 622. a rubber protective layer; 63. a telescoping member; 631. positioning a rod; 632. a telescopic rod; 64. a second spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses shock attenuation frog ramming machine. Referring to fig. 1, shock attenuation frog hammer includes rammer body 1, and rammer body 1 is provided with base 2, fixedly connected with damper 3 on the base 2, and damper 3 handing-over has handheld 6, and damper 3 cooperation handheld 6 slows down the vibrations that rammer body 1 brought operating personnel's hand in the course of the work, reaches the effect of slowing down rammer body 1 and strikeing the vibrations of arm.

Referring to fig. 2, the damping assembly 3 includes a base 31, a connecting member 32 and a first spring 33, the base 31 is fixedly connected to the upper surface of the base 2, the inside of the base 31 is a cavity, the connecting member 32 is inserted into the top of the base 31 and slidably connected to the base 31, the bottom of the connecting member 32 is located in the cavity of the base 31, the top of the connecting member 32 is located above the base 31 and is hinged to the hand piece 6, and the first spring 33 is fixedly connected between the upper surface of the base 2 and the bottom of the connecting member 32. The frog hammer vibrates during working, the first spring 33 elastically deforms, and a damping effect is achieved, so that the vibration impact of the frog hammer on an arm during working is reduced.

Referring to fig. 2, the connecting member 32 includes a supporting rod 321 and a connecting plate 322, the supporting rod 321 is inserted into the top of the base 31 and slidably connected to the base 31, the bottom of the supporting rod 321 is located in the cavity of the base 31 and fixedly connected to the connecting plate 322, the connecting plate 322 is horizontally disposed, and the side surface of the connecting plate 322 abuts against the inner wall of the base 31. When base 2 vibrations, elastic deformation takes place for first spring 33, and branch 321 is for the vertical slip of base 31, and connecting plate 322 side sets up with the inner wall butt of base 31, can follow the horizontal direction and carry on spacingly to connecting plate 322, has promoted damper 3's stability. The outer side wall of the base 31 is fixedly connected with a ribbed plate 5, and the bottom of the ribbed plate 5 is fixedly connected with the base 2. The stability that base 31 and base 2 are connected is improved, simultaneously, floor 5 and base 31 fixed connection have promoted the sturdiness of base 31, have prolonged ramming machine's life.

Referring to fig. 2, a connecting rod 4 is fixedly connected to the opposite side of the connecting plate 322 and the base 2, the connecting plate 322 and the connecting rod 4 on the base 2 are arranged opposite to each other at intervals, and one end of the connecting rod 4, which is far away from the connecting plate 322 and the base 2, is inserted into the first spring 33 and clamped with the first spring 33. When the tamping machine vibrates during operation, the first spring 33 generates elastic deformation, the connecting plate 322 moves towards the direction close to the base 2, and the connecting rod 4 is inserted in the first spring 33 to play a role in guiding the telescopic motion of the first spring 33, so that the using effect of the first spring 33 is improved. The first spring 33 is provided in plural, and the first springs 33 are arranged in parallel with each other at an interval. The atress of first spring 33 is more balanced, has promoted the equilibrium with the fixed connecting plate 322 that links to each other of first spring 33, has promoted damper 3's stability, reaches best shock attenuation effect.

Referring to fig. 3, the hand-held piece 6 includes dead lever 61, grab handle 62, extensible member 63 and second spring 64, dead lever 61 bottom links to each other with branch 321 top is articulated, grab handle 62 just sets up to the interval with dead lever 61, extensible member 63 includes locating lever 631 and telescopic link 632, telescopic link 632 inserts and locates in locating lever 631 and slides with locating lever 631 and be connected, locating lever 631 is kept away from telescopic link 632 one end rigid coupling and is close to grab handle 62 one end in dead lever 61, telescopic link 632 is kept away from locating lever 631 one end rigid coupling and is close to dead lever 61 one end with grab handle 62, second spring 64 cover is located on extensible member 63 and fixed connection is between dead lever 61 and grab handle 62, dead lever 61 diameter is greater than extensible member 63 diameter, dead lever 61 top is close to second spring 64 department and has seted up spacing groove 611, second spring 64 inserts and locates in. The second spring 64 is inserted in the limiting groove 611 of the fixing rod 61, so that the stability of the joint of the second spring 64 and the fixing rod 61 is improved, the telescopic piece 63 and the second spring 64 can buffer the grab handle 62 in a telescopic manner, the shock impact force of the grab handle 62 on the arm during operation is reduced, and the comfort level during use is improved. The handle 62 is fixedly provided with a rubber protection layer 622. The rubber protection layer 622 is soft and can deform slightly after being subjected to external force, and when the palm contacts the rubber protection layer 622, the rubber protection layer 622 can effectively weaken impact force.

The implementation principle of the shock attenuation frog ramming machine of the embodiment of the application is: when the tamping machine works and shakes, the first spring 33 generates elastic deformation, and the connecting piece 32 fixedly connected with the first spring 33 vertically slides relative to the base 31 to generate a damping effect; the second spring 64 of the hand piece 6 connected with the top of the connecting piece 32 in a cross mode is elastically deformed, and meanwhile, the telescopic piece 63 stretches and contracts, so that the shock absorption effect is improved, and the vibration impact of the ramming machine body 1 on the arm is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a shock attenuation frog hammer, includes rammer body (1), rammer body (1) is provided with base (2), its characterized in that: be provided with damper (3) and handheld piece (6) on base (2), damper (3) are including base (31), connecting piece (32) and first spring (33), base (31) fixed connection is in base (2) upper surface, and base (31) inside sets up for the cavity, connecting piece (32) are inserted and are located base (31) top and slide with base (31) and be connected, and connecting piece (32) bottom is located base (31) cavity, connecting piece (32) top is located base (31) top and links to each other with handheld piece (6) are articulated, first spring (33) fixed connection is between base (2) upper surface and connecting piece (32) bottom.

2. A shock absorbing frog hammer according to claim 1 wherein: connecting piece (32) include branch (321) and connecting plate (322), and branch (321) are inserted and are located base (31) top and slide with base (31) and be connected, and branch (321) bottom is located base (31) cavity and with connecting plate (322) fixed connection, and connecting plate (322) level sets up and connecting plate (322) side and base (31) inner wall butt setting.

3. A shock absorbing frog hammer according to claim 2 wherein: connecting rod (4) are all fixedly connected to one side of connecting plate (322) and base (2) just right, connecting rod (4) on connecting plate (322) and base (2) just right set up to the interval, and connecting rod (4) keep away from connecting plate (322), the one end of base (2) is inserted and is located in first spring (33) and form the joint with first spring (33).

4. A shock absorbing frog hammer according to claim 1 wherein: base (31) lateral wall fixedly connected with floor (5), floor (5) bottom and base (2) are fixed continuous.

5. A shock absorbing frog hammer according to claim 2 wherein: hand-held piece (6) are including dead lever (61), grab handle (62), extensible member (63) and second spring (64), and dead lever (61) bottom links to each other with branch (321) top is articulated, and grab handle (62) just set up to the interval with dead lever (61), extensible member (63) fixed connection between dead lever (61) and grab handle (62), and second spring (64) cover is located on extensible member (63) and fixed connection between dead lever (61) and grab handle (62).

6. A shock absorbing frog hammer according to claim 5 wherein: the diameter of the fixing rod (61) is larger than that of the telescopic piece (63), a limiting groove (611) is formed in the position, close to the second spring (64), of the top of the fixing rod (61), and the second spring (64) is inserted into the limiting groove (611) and fixedly connected with the fixing rod (61).

7. A shock absorbing frog hammer according to claim 1 wherein: the first springs (33) are arranged in a plurality, and the first springs (33) are arranged in parallel at intervals.

8. A shock absorbing frog hammer according to claim 5 wherein: the grab handle (62) is fixedly provided with a rubber protective layer (622).

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