CN215629864U

CN215629864U - Foundation tamping device in narrow space

Info

Publication number: CN215629864U
Application number: CN202121356481.1U
Authority: CN
Inventors: 董思凯; 唐志刚
Original assignee: Jinan Yellow River Bridge Constrution Group Co Ltd
Current assignee: Jinan Yellow River Bridge Constrution Group Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-25
Anticipated expiration: 2031-06-18

Abstract

The utility model provides a compaction device for a foundation in a narrow space, which comprises a base, wherein the top of the base is provided with a box body, a reciprocating movable rod is movably arranged in the box body, the reciprocating movable rod movably penetrates through the base along the vertical direction, the lower end of the reciprocating movable rod is provided with a compaction hammer, and the upper end of the reciprocating movable rod is provided with a vertical guide limiting mechanism; an incomplete gear is connected in the box body in a linkage manner through a driving unit, and a tooth socket matched with the incomplete gear is arranged on the reciprocating movable rod; in the working state, when the incomplete gear is meshed with the tooth groove, the tamping hammer is driven to move upwards; when the incomplete gear is not meshed with the tooth groove, the tamping hammer falls freely to tamp the foundation; the utility model has compact structure, can conveniently tamp the foundation in a narrow space, saves time and labor, greatly improves the construction progress and is convenient to use.

Description

Foundation tamping device in narrow space

Technical Field

The utility model relates to a tamping device, in particular to a foundation tamping device in a narrow space.

Background

The foundation is tamped to improve the compaction degree of the ground laying cushion layer and prevent the phenomena of surface subsidence and the like after concrete pouring is finished. At present, a large-sized tamper is often used to tamp the foundation. However, since the tamper occupies a large area, it is impossible to tamper a narrow portion and only manual tamping is possible.

However, manual tamping mainly depends on manual striking of the tamping hammer, so that the labor intensity is high, the efficiency is low, the construction progress is influenced, and the manual tamping is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foundation tamping device in a narrow space, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a foundation tamping device in a narrow space comprises a base, wherein a box body is arranged at the top of the base, a reciprocating movable rod is movably arranged in the box body, the reciprocating movable rod movably penetrates through the base along the vertical direction, a tamping hammer is arranged at the lower end of the reciprocating movable rod, and a vertical guide limiting mechanism is arranged at the upper end of the reciprocating movable rod;

an incomplete gear is connected in the box body in a linkage manner through a driving unit, and a tooth socket matched with the incomplete gear is arranged on the reciprocating movable rod; in the working state, when the incomplete gear is meshed with the tooth groove, the tamping hammer is driven to move upwards; when the incomplete gear is not meshed with the tooth groove, the tamping hammer falls freely to tamp the foundation.

As a further scheme of the utility model: the bottom of base is parallel and the interval is equipped with a plurality of supporting legs, is equipped with the removal wheel at the lower extreme of each supporting leg, is equipped with the push rod at one of them one end of base.

As a further scheme of the utility model: the top of the tamping hammer is provided with a positioning sleeve, and an auxiliary return spring sleeved on the reciprocating movable rod is arranged in the positioning sleeve.

As a further scheme of the utility model: the vertical guide limiting mechanism comprises a connecting plate which is arranged at the upper end of the reciprocating movable rod along the horizontal direction, and two ends of the connecting plate are provided with guide sliding sleeves; u-shaped supporting limit plates are arranged on the two inner sides of the box body, and a guide slide rod which movably penetrates through the guide sliding sleeve along the vertical direction is arranged on each U-shaped supporting limit plate.

As a further scheme of the utility model: the lower end of the guide sliding sleeve is provided with a buffer ring, the inner diameter of the buffer ring is the same as that of the guide sliding sleeve, and the outer diameter of the buffer ring is larger than that of the guide sliding sleeve; and a rubber buffer cushion which is matched with the bottom surface of the buffer ring is arranged on the U-shaped supporting limit plate.

Compared with the prior art, the utility model has the beneficial effects that:

after the structure is adopted, the reciprocating movable rod, the vertical guide limiting mechanism, the driving unit, the incomplete gear and the tooth groove are matched, and in a working state, when the incomplete gear is meshed with the tooth groove, the tamping hammer is driven to move upwards; when the incomplete gear is not meshed with the tooth groove, the tamping hammer falls freely to tamp the foundation. The utility model has compact structure, can conveniently tamp the foundation in a narrow space, saves time and labor, greatly improves the construction progress and is convenient to use.

Drawings

Fig. 1 is a schematic structural view of a foundation compacting device in a narrow space.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a base; 2. a box body; 3. a reciprocating movable rod; 4. a tamping hammer; 5. a vertical guiding and limiting mechanism; 501. a connecting plate; 502. a guide sliding sleeve; 503. a U-shaped supporting limit plate; 504. a guide slide bar; 505. a buffer ring; 506. a rubber cushion pad; 6. a drive unit; 7. an incomplete gear; 8. a tooth socket; 9. supporting legs; 10. a moving wheel; 11. a push rod; 12. a positioning sleeve; 13. an auxiliary return spring.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a foundation compaction device for a narrow space comprises a base 1, wherein a box body 2 is arranged at the top of the base 1, a reciprocating movable rod 3 is movably arranged in the box body 2, the reciprocating movable rod 3 movably penetrates through the base 1 along the vertical direction, a compaction hammer 4 is arranged at the lower end of the reciprocating movable rod 3, and a vertical guide limiting mechanism 5 is arranged at the upper end of the reciprocating movable rod 3; an incomplete gear 7 is connected in the box body 2 in a linkage manner through a driving unit 6, and a tooth groove 8 matched with the incomplete gear 7 is formed in the reciprocating movable rod 3; in the working state, when the incomplete gear 7 is meshed with the tooth groove 8, the tamping hammer 4 is driven to move upwards; when incomplete gear 7 does not mesh with tooth's socket 8, ramming hammer 4 free fall tamps the ground, and compact structure can conveniently tamp the ground in the narrow space, and labour saving and time saving improves the construction progress greatly, convenient to use.

The base is characterized in that a plurality of supporting legs 9 are arranged at the bottom of the base 1 in parallel at intervals, moving wheels 10 are arranged at the lower ends of the supporting legs 9, a push rod 11 is arranged at one end of the base 1, the base 1 can be conveniently pushed manually, the driving device is driven to move, and the base is tamped.

Preferably, the top of ramming hammer 4 is equipped with position sleeve 12, be equipped with the supplementary reset spring 13 of cover on reciprocal movable rod 3 in the position sleeve 12, under the effect of supplementary reset spring 13 elasticity, can provide an supplementary downward power for ramming hammer 4, the ramming hammer 4 of being convenient for falls and tamps the ground.

Specifically, the vertical guide limiting mechanism 5 comprises a connecting plate 501 arranged at the upper end of the reciprocating movable rod 3 along the horizontal direction, and guide sliding sleeves 502 are arranged at two ends of the connecting plate 501; u-shaped supporting limit plates 503 are arranged on two inner sides of the box body 2, a guide slide rod 504 which movably penetrates through the guide slide sleeve 502 along the vertical direction is arranged on each U-shaped supporting limit plate 503, and the reciprocating movable rod 3 can be guided and limited, so that the reciprocating movable rod 3 can only reciprocate up and down along the vertical direction, and the reciprocating movable rod 3 is prevented from rotating.

Further, a buffer ring 505 is arranged at the lower end of the guide sliding sleeve 502, the inner diameter of the buffer ring 505 is the same as that of the guide sliding sleeve 502, and the outer diameter of the buffer ring 505 is larger than that of the guide sliding sleeve 502; be equipped with the rubber buffer pad 506 that suits with buffering ring 505 bottom surface on U type support limiting plate 503, when ramming hammer 4 whereabouts, through the cooperation of buffering ring 505 and rubber buffer pad 506, cushion impact force, avoid guide sliding sleeve 502 to damage, improve the life of device, the result of use is better.

The working principle of the utility model is as follows: when the foundation in the narrow space is tamped, the driving unit 6 drives the incomplete gear 7 to rotate anticlockwise; when the incomplete gear 7 is meshed with the tooth groove 8, the reciprocating movable rod 3 can be driven to move upwards, so that the tamping hammer 4 is driven to move upwards; when incomplete gear 7 does not mesh with tooth's socket 8, ramming hammer 4 free fall tamps the ground, and compact structure can conveniently tamp the ground in the narrow space, and labour saving and time saving improves the construction progress greatly, convenient to use.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A foundation compaction device in a narrow space comprises a base (1) and is characterized in that a box body (2) is arranged at the top of the base (1), a reciprocating movable rod (3) is movably arranged in the box body (2), the reciprocating movable rod (3) movably penetrates through the base (1) along the vertical direction, a compaction hammer (4) is arranged at the lower end of the reciprocating movable rod (3), and a vertical guide limiting mechanism (5) is arranged at the upper end of the reciprocating movable rod (3); an incomplete gear (7) is connected in the box body (2) in a linkage way through a driving unit (6), and a tooth groove (8) matched with the incomplete gear (7) is arranged on the reciprocating movable rod (3).

2. The compaction device for the foundation in the narrow space according to claim 1, wherein the base (1) is provided with three or more support legs (9) at intervals in parallel at the bottom, a moving wheel (10) is provided at the lower end of each support leg (9), and a push rod (11) is provided at one end of the base (1).

3. The compaction device for the foundation in the narrow space according to claim 1, wherein a positioning sleeve (12) is arranged at the top of the compaction hammer (4), and an auxiliary return spring (13) sleeved on the reciprocating movable rod (3) is arranged in the positioning sleeve (12).

4. The compaction device for the foundation in the narrow space according to claim 1, wherein the vertical guiding and limiting mechanism (5) comprises a connecting plate (501) which is arranged at the upper end of the reciprocating movable rod (3) along the horizontal direction, and two ends of the connecting plate (501) are provided with guiding sliding sleeves (502); u-shaped supporting limit plates (503) are arranged on the two inner sides of the box body (2), and a guide sliding rod (504) which movably penetrates through the guide sliding sleeve (502) along the vertical direction is arranged on each U-shaped supporting limit plate (503).

5. The compaction device for the foundation in the narrow space according to claim 4, wherein the lower end of the guide sliding sleeve (502) is provided with a buffer ring (505), the inner diameter of the buffer ring (505) is the same as the inner diameter of the guide sliding sleeve (502), and the outer diameter of the buffer ring (505) is larger than the outer diameter of the guide sliding sleeve (502); a rubber buffer pad (506) which is matched with the bottom surface of the buffer ring (505) is arranged on the U-shaped supporting limit plate (503).