CN220035382U

CN220035382U - Buffering structure for foundation tamping device for building construction

Info

Publication number: CN220035382U
Application number: CN202321481979.XU
Authority: CN
Inventors: 张海峰; 李长军; 李波
Original assignee: China 22MCC Group Corp Ltd
Current assignee: China 22MCC Group Corp Ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-11-17
Anticipated expiration: 2033-06-12

Abstract

The utility model provides a buffer structure for a foundation tamping device for building construction, and relates to the technical field of foundation tamping. The device comprises a ramming device main body, a limiting plate, a rotating shaft, a pressure block, a fixing plate, a buffer plate, a compression spring, a screw rod and a limiting slide rod. Through buffer plate and compression spring cooperation use, can be when the pressure piece touches with ground, the pressure piece receives a part reaction force and transmits to on the buffer plate. The buffer plate compresses the compression spring and moves upwards, so that a part of reaction force received by the pressure block can be converted into potential energy of the buffer plate and the compression spring, the reverse acting force of the pressure block is reduced, and buffering is achieved. Therefore, the reaction force transmitted by the pressure block through the rotating shaft is reduced, the rotating shaft is further protected, and the problem that the rotating shaft is easily damaged due to overlarge reaction force is solved.

Description

Buffering structure for foundation tamping device for building construction

Technical Field

The utility model relates to the technical field of foundation tamping, in particular to a buffer structure of a foundation tamping device for building construction.

Background

In the process of stamping the ground by the stamping head in the foundation tamping device, the stamping head can be influenced by larger reaction force under the action of collision and weight pressure. And one end of the stamping head is generally connected with a transmission device to realize the up-down lifting of the stamping head, and the reaction force acting on the stamping head is conducted to the transmission device, so that the transmission device is subjected to larger impact, the service life of the transmission device is inevitably reduced after long-time use, and the structural strength of the stamping head is reduced.

The patent publication number CN112376542B discloses a foundation ramming device for building construction, and the buffer tank has all been seted up to the left and right sides at the fixed column bottom, and the equal fixed mounting in left and right sides on limiting plate top has the erection column, and the top fixed mounting of erection column has buffer spring, buffer spring's the other end and the bottom fixed connection of buffering inner chamber. The reverse acting force generated when the pressure block is contacted with the ground is transmitted to the limiting plate and is transmitted to the movable column to drive the movable column to displace relative to the fixed column. And compress buffer spring, buffer spring itself can absorb most reverse effort, avoids effort conduction to eccentric wheel and motor to realized increasing life. The pressure block is connected with the limiting plate mainly through the rotating shaft, and when in actual use, the reaction force generated when the pressure block touches the ground can be transmitted to the limiting plate through the rotating shaft, so that the rotating shaft needs to bear the impact of the reaction force. The reaction force born by the rotating shaft is not buffered, and the reaction force is large, so that the rotating shaft is easy to damage.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a buffering structure for a foundation compaction device for building construction, which solves the above-mentioned problems.

Based on the above object, the present utility model provides a buffer structure for a foundation compaction device for construction, comprising: the tamping device comprises a tamping device main body, a limiting plate, a rotating shaft, a pressure block, a fixing plate, a buffer plate, a compression spring, a screw rod and a limiting slide rod, wherein the tamping device main body is connected with the limiting plate; the pressure block is respectively provided with a fixing plate and a buffer plate, the fixing plate is arranged between the buffer plate and the limiting plate, the fixing plate is fixedly connected with the inner wall of the pressure block, and the buffer plate is slidably connected in the pressure block; two ends of the compression spring are respectively connected with the fixed plate and the buffer plate; the screw rod is arranged on the fixed plate in a penetrating way and is in threaded connection with the fixed plate; the end part of the screw rod is connected with a limiting slide rod, and the limiting slide rod is arranged on the buffer plate in a penetrating way.

Compared with the prior art, the utility model has the beneficial effects that: through buffer plate and compression spring cooperation use, can be when the pressure piece touches with ground, the pressure piece receives a part reaction force and transmits to on the buffer plate. The buffer plate compresses the compression spring and moves upwards, so that a part of reaction force received by the pressure block can be converted into potential energy of the buffer plate and the compression spring, the reverse acting force of the pressure block is reduced, and buffering is achieved. Therefore, the reaction force transmitted by the pressure block through the rotating shaft is reduced, the rotating shaft is further protected, and the problem that the rotating shaft is easily damaged due to overlarge reaction force is solved.

Further, the device also comprises a shell, a sliding block, a force release spring, a compression bar and a pressing plate, wherein the surface of the fixing plate is connected with the shell, the shell is positioned in the compression spring, and the sliding block is connected in the shell in a sliding way; the force release spring is arranged in the shell, and two ends of the force release spring are respectively connected with the fixed plate and the sliding block; the slider is connected with depression bar one end, and the depression bar other end stretches out to the casing outside, and the depression bar other end is connected with the clamp plate.

Further, a soft cushion is connected to the lower surface of the pressing plate.

Further, the screw is connected with a nut in a threaded manner, and the nut abuts against the fixing plate.

Further, the end part of the limiting slide bar is provided with a chamfer.

Drawings

FIG. 1 is a schematic diagram of a buffering structure of a foundation ramming device for building construction according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a cushioning structure for a foundation compaction device for construction according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a housing of a cushioning structure for a foundation compaction device for construction according to an embodiment of the present utility model;

fig. 4 is a schematic view of a screw and a limit slide bar of a buffer structure for a foundation compaction device for building construction according to an embodiment of the present utility model.

Marked in the figure as: 1. tamping the device body; 2. a limiting plate; 3. a rotating shaft; 4. a pressure block; 5. a fixing plate; 6. a buffer plate; 7. a compression spring; 8. a screw; 9. a limit slide bar; 10. a nut; 11. a housing; 12. a slide block; 13. a force release spring; 14. a compression bar; 15. a pressing plate; 16. and a soft cushion.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

As shown in fig. 1 to 4, the buffering structure for the foundation ramming device for building construction provided by the utility model is composed of a ramming device main body 1, a limiting plate 2, a rotating shaft 3, a pressure block 4, a fixed plate 5, a buffering plate 6, a compression spring 7, a screw 8, a limiting slide rod 9, a shell 11, a slide block 12, a force release spring 13, a pressing rod 14, a pressing plate 15 and the like. The tamping device body 1 is connected with the limiting plate 2, two sides of the limiting plate 2 are fixedly connected with rotating shafts 3 respectively, the bottom end of the limiting plate 2 is provided with a pressure block 4, and the pressure block 4 is movably connected with the limiting plate 2 through the rotating shafts 3.

The pressure block 4 is respectively provided with a fixed plate 5 and a buffer plate 6, and the limiting plate 2, the fixed plate 5 and the buffer plate 6 are arranged in parallel. The fixed plate 5 sets up between buffer board 6 and limiting plate 2, and fixed plate 5 side and pressure piece 4 inner wall fixed connection, buffer board 6 sliding connection are in pressure piece 4. The buffer plate 6 is used for absorbing the reverse acting force applied to the pressure block 4 when the pressure block 4 is contacted with the ground. A compression spring 7 is arranged between the fixed plate 5 and the buffer plate 6, two ends of the compression spring 7 are respectively fixedly connected with the fixed plate 5 and the buffer plate 6, and two ends of the compression spring 7 are respectively propped against the fixed plate 5 and the buffer plate 6. By arranging the compression spring 7, the compression spring 7 can be propped against the buffer plate 6, and the buffer plate 6 is propped against the pressure block 4 all the time.

Threaded holes are formed in the fixing plate 5, the screw rod 8 is installed in the threaded holes of the fixing plate 5 in a penetrating mode, and the screw rod 8 is in threaded connection with the fixing plate 5. One end of the screw rod 8 is connected with a limit sliding rod 9, a through hole is formed in the buffer plate 6, and the limit sliding rod 9 is arranged in the through hole in a penetrating mode. Through setting up screw rod 8 and spacing slide bar 9, can guide the removal of buffer board 6, guarantee the stability that buffer board 6 removed. The end part of the limiting slide rod 9 is provided with a chamfer angle, so that the end part of the limiting slide rod 9 is conveniently inserted into the through hole of the buffer plate 6. The other end of the screw rod 8 is connected with a nut 10 in a threaded manner, and the nut 10 abuts against the upper surface of the fixed plate 5. By providing the nut 10, the screw rod 8 can be fixed, and the limit slide rod 9 can be fixed.

The lower surface of the fixed plate 5 is connected with a shell 11, the shell 11 is positioned in the compression spring 7, and a sliding block 12 is connected in a sliding way in the shell 11. The force release spring 13 is arranged in the shell 11, and two ends of the force release spring 13 are respectively fixedly connected with the fixed plate 5 and the sliding block 12. The slider 12 is connected with one end of a pressing rod 14, the other end of the pressing rod 14 extends out of the shell 11, and the other end of the pressing rod 14 is connected with a pressing plate 15. Under the cooperation of casing 11, slider 12, let out power spring 13, depression bar 14 and clamp plate 15 etc. and use, when buffer board 6 receives the reaction force big, and make buffer board 6 remove too high, carry out supplementary let out the power through let out power spring 13 and slider 12 etc. and avoid buffer board 6 compression spring 7 to tighten and make compression spring 7 damage. Through setting up clamp plate 15, can increase the area of contact with buffer board 6, reduce the pressure when touching, and then protect depression bar 14 and buffer board 6, avoid being damaged. The lower surface of the pressing plate 15 is connected with a soft cushion 16 for further buffering when the buffering plate 6 contacts with the pressing plate 15, and protecting the pressing plate 15 and the buffering plate 6.

The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. A buffering structure for a foundation compaction device for construction, comprising: the tamping device comprises a tamping device main body, a limiting plate, a rotating shaft, a pressure block, a fixing plate, a buffer plate, a compression spring, a screw rod and a limiting slide rod, wherein the tamping device main body is connected with the limiting plate; it is characterized in that the method comprises the steps of,

the pressure block is respectively provided with a fixing plate and a buffer plate, the fixing plate is arranged between the buffer plate and the limiting plate, the fixing plate is fixedly connected with the inner wall of the pressure block, and the buffer plate is slidably connected in the pressure block; two ends of the compression spring are respectively connected with the fixed plate and the buffer plate; the screw rod is arranged on the fixed plate in a penetrating way and is in threaded connection with the fixed plate; the end part of the screw rod is connected with a limiting slide rod, and the limiting slide rod is arranged on the buffer plate in a penetrating way.

2. The buffering structure for a foundation compaction device for building construction according to claim 1, further comprising a housing, a slider, a force release spring, a compression bar and a pressing plate, wherein the surface of the fixing plate is connected with the housing, the housing is positioned in the compression spring, and the slider is slidably connected with the housing; the force release spring is arranged in the shell, and two ends of the force release spring are respectively connected with the fixed plate and the sliding block; the slider is connected with depression bar one end, and the depression bar other end stretches out to the casing outside, and the depression bar other end is connected with the clamp plate.

3. The buffering structure for a foundation compaction device for building construction according to claim 1, wherein the lower surface of the pressing plate is connected with a soft pad.

4. The buffering structure for a foundation compaction device for building construction according to claim 1, wherein the screw is screwed with a nut, and the nut abuts against the fixing plate.

5. The buffering structure for a foundation compaction device for building construction according to claim 1, wherein the end part of the limit slide bar is provided with a chamfer.