CN213260046U

CN213260046U - Low noise formula plain bumper

Info

Publication number: CN213260046U
Application number: CN202021158391.7U
Authority: CN
Inventors: 于宝艳; 张晓东; 杜鹏
Original assignee: Tianjin Yongyang Construction Engineering Quality Inspection Center
Current assignee: Tianjin Yongyang Construction Engineering Quality Inspection Center
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-05-25
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a low noise formula plain bumper belongs to experimental facilities's technical field. The technical scheme is that the device comprises a bottom frame, wherein the bottom frame is connected with a working plate through a supporting elastic piece, a noise reduction seat is arranged below the bottom frame, a noise reduction groove is formed in the noise reduction seat, the bottom frame is inserted in the noise reduction groove, buffer plates are respectively abutted to the inner side and the outer side of the bottom frame, a buffering elastic piece is arranged on one side of the bottom frame away from the buffer plates, one end of the buffering elastic piece is fixedly connected with the buffer plates, the other end of the buffering elastic piece is fixedly connected with the noise reduction groove, and the buffering elastic piece is in a compression; the flexible sponge cushion is laid in the noise reduction groove, the bottom frame is abutted to the flexible sponge cushion, and the effect of reducing noise generated between the bottom frame and the ground under the influence of the vibration motor is achieved.

Description

Low noise formula plain bumper

Technical Field

The utility model relates to an experimental facilities's technical field, in particular to low noise formula plain bumper.

Background

In current building detection trade, concrete plain bumper equipment is a very common auxiliary assembly, and concrete plain bumper can reduce the inside bubble after the concrete piece forms at the prefabricated in-process that testing personnel carried out the concrete test piece, can effectual improvement to the quality of concrete test piece, improve the test accuracy degree.

Most of the existing building detection companies select a concrete compaction table as main concrete compaction equipment, the concrete compaction table comprises a square bottom frame, a square working plate is arranged above the bottom frame, the working plate is connected with the bottom frame through a supporting elastic part, one end of the supporting elastic part is fixedly connected with the bottom frame, the other end of the supporting elastic part is fixedly connected with the working plate, and the bottom surface of the working plate is fixedly connected with a vibration motor; when the test plate is used, the jolt ramming table is placed on the ground, then a test mould for manufacturing a concrete test piece is placed at the top end of the working plate, then liquid concrete is poured into the test mould, and the vibrating motor vibrates the concrete in the test mould through the working plate, so that the effect of reducing air bubbles in the concrete is achieved.

The above scheme has the following problems: because the plain bumper is directly placed subaerial, the plain bumper is at work, and the chassis is under vibrating motor's influence, and the chassis takes place the high-frequency friction of small amplitude with ground and produces the higher noise of decibel, and the noise can form noise pollution, influences experimenter's physical and mental health.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a low noise formula plain bumper reduces the chassis under vibrating motor's influence and the effect of the noise that produces between the ground.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a low-noise plain bumper comprises a bottom frame, wherein the bottom frame is connected with a working plate through a supporting elastic piece, a noise reduction seat is arranged below the bottom frame, a noise reduction groove is formed in the noise reduction seat, the bottom frame is inserted in the noise reduction groove, buffer plates are respectively abutted to the inner side and the outer side of the bottom frame, one side, away from the buffer plates, of the bottom frame is provided with a buffer elastic piece, one end of the buffer elastic piece is fixedly connected with the buffer plate, the other end of the buffer elastic piece is fixedly connected with the noise reduction groove, and the buffer elastic piece is in a compression state after the; a flexible sponge cushion is laid in the noise reduction groove, and the bottom frame is abutted to the flexible sponge cushion.

By adopting the scheme, the chassis and the ground are isolated from each other by the noise reduction seat, and the noise reduction groove provides a constraint effect and a placement position for the chassis; when the plain bumper works, the vibration effect of the vibration motor on the bottom frame is transmitted to the noise reduction seat, the noise reduction seat can absorb vibration, the frequent vibration between the noise reduction seat and the ground is reduced, the noise effect between the bottom frame and the ground under the influence of the vibration motor is reduced, in addition, the vibration on the bottom frame can be buffered when the buffer plate and the buffer elastic part arranged in the noise reduction seat can transmit vibration to the noise reduction seat, so the vibration received by the noise reduction seat is reduced, the load of the noise reduction seat is reduced, the noise reduction seat can be further stably fixed on the ground, the noise effect between the bottom frame and the ground under the influence of the vibration motor is further reduced, the flexible sponge cushion arranged in the noise reduction groove can buffer the vibration on the bottom frame, and on the other hand, the flexible sponge cushion has the soft characteristic, thereby when the high-frequency friction of taking place the small-range between chassis and the flexible pad, also can not produce harsh noise to have the result of use that prevents the chassis and fall the seat of making an uproar and appear the noise between, reached the effect that reduces the chassis and the noise that produces between the ground under vibrating motor's influence.

The utility model discloses further set up to: the buffering elastic piece is a spring.

By adopting the scheme, the spring has better use sensitivity, and can generate corresponding elastic deformation in time when being vibrated, so that the practicability of the buffering elastic part is improved; secondly, because the range of drawing materials of spring material is comparatively extensive, the degree of difficulty when having reduced the maintenance is convenient for the workman to the buffering elastic component replacement, has reduced the maintenance cost of buffering elastic component.

The utility model discloses further set up to: the side of the buffer plate facing the bottom frame is provided with a plurality of friction-increasing shock absorption components which are evenly arrayed on the buffer plate.

Through adopting above-mentioned scheme, the damping component that rubs that increases that sets up can improve the frictional force between buffer board and the chassis, makes the relative position of elasticity antidetonation pad and chassis more stable, prevents at the in-process that uses, because the relative position of buffer board and chassis misplaces each other, and leads to chassis and the condition that the groove lateral wall of making an uproar takes place rigid contact and produces the noise of making an uproar, has improved the practicality of buffer board.

The utility model discloses further set up to: each friction-increasing shock absorption assembly comprises a friction-increasing recess arranged on the buffer plate, and a friction-increasing elastic ball is embedded in the friction-increasing recess.

Through adopting above-mentioned scheme, set up and increase the cooperation of rubbing sunken and increase the elastic ball and use, increased the roughness of contact surface between buffer board and the chassis, improved the frictional force between buffer board and the chassis, reached the result of use that increases damping component.

The utility model discloses further set up to: the friction-increasing elastic ball is made of rubber.

Through adopting above-mentioned scheme, rubber material increases the elasticity ball of rubbing and has better elasticity, can with the common result of use of the buffering that provides the chassis of elasticity antidetonation pad, further improvement elasticity antidetonation pad.

The utility model discloses further set up to: and a supporting and buffering assembly is arranged between the flexible spongy cushion and the noise reduction groove.

By adopting the scheme, the arranged supporting and buffering assembly can provide stable supporting force for the flexible spongy cushion, so that the flexible spongy cushion has a stable working state, and the use stability of the flexible spongy cushion is improved; on the other hand, support the setting of buffering subassembly and can carry out further buffering to the vibration that has on the chassis, improve the buffer capacity to the vibration on the chassis, the vibration that the seat received is fallen in further reduction, and further improvement reduces the effect of the noise that the chassis produced under vibrating motor's influence and between the ground.

The utility model discloses further set up to: the supporting and buffering assembly comprises a supporting plate, the flexible spongy cushion is fixedly connected to the supporting plate, the supporting plate is far away from a plurality of supporting legs fixedly connected with the side face of the flexible spongy cushion, one end of each supporting leg is fixedly connected with the supporting plate, the other end of each supporting leg is abutted to the noise reduction groove after inclining, and the supporting plate is made of a carbon fiber plate.

Through adopting above-mentioned scheme, at first carbon fiber plate itself has better elasticity to can be when the chassis will vibrate and transmit to the supporting legs through flexible cushion and backup pad, the supporting legs can cushion the vibration through the elastic characteristic of self, and the vibration that the seat received is fallen to the noise reduction of further reduction, further improvement reduce the chassis under vibrating motor's the influence and the effect of the noise that produces between the ground.

The utility model discloses further set up to: every the supporting legs is kept away from the one end of backup pad and is provided with the buffering ball, and one side fixed connection that the backup pad is close to the backup pad is buffered ball and backup pad butt.

By adopting the scheme, the arranged buffer ball can provide supporting force for the supporting plate when the bending degree of the supporting leg is too large, so that the situation that the supporting frame is broken by pressing is prevented, and the use stability of the supporting leg is improved; on the other hand, the buffering ball that sets up can provide cushioning effect to the buffer board when contacting with the backup pad, carries out further absorption to the vibration of chassis transmission, prevents that the backup pad from and falling the rigid contact that appears between the tank bottom wall of making an uproar, and then the condition that produces great noise takes place, has improved the practicality of backup pad.

To sum up, the utility model discloses following beneficial effect has:

1. the noise reduction seat, the noise reduction groove, the buffer plate, the buffer elastic piece and the flexible sponge cushion are matched for use, so that the effect of reducing noise generated between the bottom frame and the ground under the influence of the vibration motor is achieved;

2. the friction-increasing shock absorption assembly is arranged to provide high friction force between the underframe and the buffer plate. The condition of buffer board and chassis separation is prevented from appearing, improves the compactness of laminating between buffer board and the chassis.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial schematic view of a top view of the work plate with structures removed;

FIG. 3 is a cross-sectional view showing the structure at the noise reduction groove;

fig. 4 is a partially enlarged schematic view at a in fig. 3.

Reference numerals: 1. a chassis; 11. a working plate; 12. a support elastic member; 14. a vibration motor; 2. a noise reduction base; 21. a noise reduction groove; 3. a buffer plate; 31. a buffer elastic member; 4. a flexible foam-rubber cushion; 5. a friction-increasing shock-absorbing component; 51. increasing friction and sinking; 52. friction-increasing elastic balls; 6. supporting the cushioning assembly; 61. a support plate; 62. supporting legs; 621. and a buffer ball.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A low-noise type plain bumper, as shown in figure 1 and figure 2, comprises a square base frame 1, wherein four top corners of the top surface of the base frame 1 are respectively and fixedly connected with a supporting elastic part 12, and the supporting elastic parts 12 are supporting springs; the supporting elastic piece 12 is provided with a working plate 11, and the working plate 11 is parallel to the underframe 1; a vibration motor 14 is fixedly connected to one side of the working plate 11 facing the chassis 1. A square noise reduction table is arranged between the bottom frame 1 and the ground, and the noise reduction table is fixedly connected with the ground in a pouring mode; the top surface of the noise reduction table is clamped with a square noise reduction groove 21, the underframe 1 is inserted into the noise reduction groove 21, the bottom wall of the noise reduction groove 21 is paved with a flexible spongy cushion 4, and a supporting buffer assembly 6 is arranged between the flexible spongy cushion 4 and the noise reduction groove 21; the side wall of the noise reduction groove 21 is fixedly connected with a plurality of buffering elastic pieces 31, and the buffering elastic pieces 31 are springs; a plurality of cushion elastic members 31 are uniformly arranged along the side wall of the noise reduction groove 21; the buffering elastic part 31 is fixedly connected with a buffering plate 3, the buffering plate 3 is positioned between the flexible spongy cushion 4 and the underframe 1, and the inner side and the outer side of the underframe 1 are abutted to the corresponding buffering plate 3; a friction increasing damper assembly 5 is provided on the side of the buffer plate 3 facing the undercarriage 1. When using, vibrating motor 14 drives work and base and the board carries out quick vibration simultaneously, the vibration is transferred to the platform of making an uproar through chassis 1, the platform of making an uproar is fallen and is absorbed the vibration, simultaneously, buffer board 3 and the buffering elastic component 31 in the groove 21 of making an uproar are fallen and are provided the buffering to chassis 1's vibration, flexible foam-rubber cushion 4 prevents chassis 1 and fall and produce new noise between the groove 21 of making an uproar simultaneously, reached the effect that reduces chassis 1 under vibrating motor 14's the influence and the noise that produces between the ground.

As shown in fig. 3 and 4, each friction-increasing shock-absorbing component 5 includes a semicircular friction-increasing recess 51 formed in the cushion plate 3, and a rubber friction-increasing elastic ball 52 is embedded in the friction-increasing recess 51; be provided with between flexible foam-rubber cushion 4 and the groove 21 diapire of making an uproar of falling and support buffering subassembly 6, support buffering subassembly 6 include with the annular backup pad 61 of rectangle, flexible foam-rubber cushion 4 and backup pad 61 fixed connection, the supporting legs 62 that a plurality of carbon fiber boards of side fixedly connected with of flexible foam-rubber cushion 4 that backup pad 61 kept away from made, a plurality of supporting legs 62 are even array in backup pad 61, every supporting legs 62 equal one end and backup pad 61 fixed connection and be in the vertical state, the ninety degrees back of other end smooth slope with fall groove 21 diapire butt of making an uproar, the one end fixedly connected with cushion ball 621 after supporting legs 62 buckle, cushion ball 621 top and backup pad 61 butt.

The utility model discloses a use as follows: when the vibration damping device is used, the vibration motor 14 drives the working plate 11 to vibrate to shake out air in a concrete sample placed above the working plate 11, when the vibration motor 14 vibrates, the vibration effect on the working plate 11 can be transmitted to the bottom frame 1, when the bottom frame 1 has vibration motion, the arranged buffer plate 3 is changed into the side surface of the bottom frame 1 through the elastic deformation of the buffer elastic piece 31 to provide a buffer effect, meanwhile, the damping balls of the friction increasing and damping component 5 increase the friction force between the buffer plate 3 and the bottom frame 1, and the situation of dislocation between the buffer plate 3 and the bottom frame 1 is prevented; the supporting plate 61 provides a buffer for the bottom end of the bottom frame 1 through the elastic deformation of the supporting feet 62, so that the vibration transmitted from the bottom frame 1 to the noise reduction base 2 is greatly weakened, and the noise reduction base 2 can be kept fixed on the ground. Meanwhile, the flexible foam pad 4 prevents noise from being generated between the base frame 1 and the support plate 61 due to its soft and porous characteristic. In conclusion, through the above steps, an effect of reducing noise generated between the base frame 1 and the ground under the influence of the vibration motor 14 is achieved.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws and protection within the scope of the present invention.

Claims

1. A low-noise type jolt ramming table comprises an underframe (1), wherein the underframe (1) is connected with a working plate (11) through a supporting elastic part (12), and the working plate (11) is fixedly connected with a vibration motor (14); the method is characterized in that: the noise reduction base (2) is arranged below the bottom frame (1), the noise reduction groove (21) is formed in the noise reduction base (2), the bottom frame (1) is inserted into the noise reduction groove (21), the buffer plates (3) are respectively abutted to the inner side and the outer side of the bottom frame (1), one side, far away from the bottom frame (1), of each buffer plate (3) is provided with a buffer elastic piece (31), one end of each buffer elastic piece (31) is fixedly connected with each buffer plate (3), the other end of each buffer elastic piece is fixedly connected with the noise reduction groove (21), and the buffer elastic pieces (31) are in a compression state after the bottom frame (1) is inserted into the noise reduction groove (21; a flexible spongy cushion (4) is laid in the noise reduction groove (21), and the underframe (1) is abutted against the flexible spongy cushion (4).

2. A low noise type tapping table as claimed in claim 1, wherein: the buffering elastic piece (31) is a spring.

3. A low noise type tapping table as claimed in claim 1, wherein: the side, facing the underframe (1), of the buffer plate (3) is provided with a plurality of friction-increasing shock absorption components (5), and the plurality of friction-increasing shock absorption components (5) are uniformly arrayed on the buffer plate (3).

4. A low noise type tapping table as claimed in claim 3, wherein: each friction-increasing shock absorption assembly (5) comprises a friction-increasing recess (51) formed in the buffer plate (3), and a friction-increasing elastic ball (52) is embedded in each friction-increasing recess (51).

5. A low noise type tapping table as claimed in claim 4, wherein: the friction-increasing elastic ball (52) is the friction-increasing elastic ball (52) made of rubber materials.

6. A low noise type tapping table as claimed in claim 1, wherein: and a supporting and buffering assembly (6) is arranged between the flexible sponge mat (4) and the noise reduction groove (21).

7. A low noise type tapping table as claimed in claim 6, wherein: support buffer unit (6) including backup pad (61), flexible foam-rubber cushion (4) fixed connection is on backup pad (61), and a plurality of supporting legss (62) of side fixedly connected with of flexible foam-rubber cushion (4) are kept away from in backup pad (61), and every supporting legss (62) equal one end and backup pad (61) fixed connection, other end slope back and fall groove (21) butt of making an uproar, backup pad (61) are made for the carbon fiber board.

8. A low noise type tapping table as claimed in claim 7, wherein: every supporting legs (62) keep away from the one end of backup pad (61) and be provided with buffering ball (621), one side fixed connection that supporting pad (61) are close to buffering ball (621) and backup pad (61), buffering ball (621) and backup pad (61) butt.