CN216405456U - Open caisson bottom sealing device for road and bridge engineering - Google Patents

Abstract

The utility model discloses a sunk well bottom sealing device for road and bridge engineering, and belongs to the technical field of road and bridge engineering. The utility model provides a use in open caisson back cover device for road bridge engineering, is including inhaling the mud travelling crane frame, inhales mud travelling crane frame bottom surface and is equipped with and inhales mud pump machine, inhales mud pump machine bottom surface and has set firmly the pump head, inhales the outside position spiro union of mud pump machine for the pump head outside and has had filtering component, inhales mud pump machine outside and is bilateral symmetry structure and has set firmly two locating bar covers, the inside spring that is equipped with of locating bar cover, the gear groove has been seted up to the extension bar top surface, the draw-in groove has been seted up to extension bar outside bottom surface, the spiro union has the scraper in the draw-in groove. According to the utility model, the spring is additionally arranged in the positioning rod sleeve, and the extension rod is pushed by the spring to move outwards, so that the scraper is kept attached to the inner wall of the open caisson, and further, when the scraper scrapes the fragments on the inner wall of the open caisson, the scraper can be contracted in a buffering manner when encountering hard stone blocks, the scraper is prevented from being damaged due to strong collision with the hard stone blocks, and the use effect of the scraper is greatly improved.

Description

Open caisson bottom sealing device for road and bridge engineering

Technical Field

The utility model relates to the technical field of road and bridge engineering, in particular to an open caisson bottom sealing device for road and bridge engineering.

Background

The English language of road and bridge engineering refers to the works of investigation, design, construction, maintenance, management and the like of roads and bridges. The road and bridge engineering can be divided into: roadbed, road surface, bridge, culvert, tunnel, drainage, protection, greening, traffic engineering, electromechanical engineering and other engineering. The open caisson is a well tubular structure, it is with the soil that digs in the well, it is sunken to the design elevation after overcoming wall of a well frictional resistance depending on self gravity, then through concrete back cover and pack the wellhole, make it become the basis of bridge pier or other structures, patent document with publication number CN208346890U among the prior art provides a back cover device for open caisson used in road and bridge engineering, the device has realized intercepting the stone through a fence section of thick bamboo in the outside of dredge pump, in order to prevent that bold stone from getting into the inside of dredge pump and can cause wearing and tearing destruction to main working equipment, solved the problem of the hidden danger that bold stone brought, although the device beneficial effect is more, still there are the following problems: a rail section of thick bamboo can only intercept the stone, can't clean the earth of adhering to in the outside of a rail section of thick bamboo, easily causes a rail section of thick bamboo to block up, is unfavorable for the dredge pump operation. In view of this, we propose a kind of open caisson sealing device used in road and bridge engineering.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The present invention is directed to a bottom sealing device for an open caisson used in road and bridge engineering, so as to solve the problems in the background art.

2. Technical scheme

The bottom sealing device for the open caisson used for road and bridge engineering comprises a mud suction travelling crane frame, wherein a mud suction pump machine is arranged on the bottom surface of the mud suction travelling crane frame, a pump head is fixedly arranged on the bottom surface of the mud suction pump machine, a waterproof motor A is fixedly arranged on the bottom surface of the mud suction pump machine relative to the left position of the pump head, a gear A is fixedly arranged at the output end of the waterproof motor A, a filter assembly is spirally connected to the outside of the mud suction pump machine relative to the outside of the pump head and comprises a filter screen cylinder, a limiting ring is fixedly arranged on the top surface of the filter screen cylinder, a plurality of clamping plates are spirally connected to the top surface of the filter screen cylinder relative to the position of the inner wall of the limiting ring, a rotating ring is arranged on the top surface of the limiting ring, a gear track groove is formed in the inner wall of the top surface of the rotating ring, two limiting ring grooves are formed in a vertically symmetrical structure outside the rotating ring, a mud scraping rod is fixedly arranged on the outside the mud suction pump machine in a horizontally symmetrical structure, the utility model discloses a gear box, including locating lever cover, gear B, gear groove, draw-in groove, locating lever cover, gear B downside, gear groove, draw-in groove, the interior spiro union of draw-in groove has the scraper, the locating lever cover outer wall sets firmly waterproof motor B, waterproof motor B output sets firmly gear B, the gear groove has been seted up to the extension rod top surface, the draw-in groove has been seted up to extension rod outside bottom surface.

Preferably, the gear A is in meshed transmission with the gear track groove.

Preferably, be located the upside spacing annular with cardboard sliding fit, be located the downside spacing annular and spacing ring sliding fit.

Preferably, the gear B is in meshed transmission with the gear groove.

Preferably, the extension rod is in sliding fit with the positioning rod sleeve.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the mud scraping rod is screwed outside the rotating ring, and the waterproof motor A drives the rotating ring to rotate, so that the mud scraping rod scrapes mud outside the filter screen cylinder and cleans the filter screen cylinder, the filter screen cylinder keeps clean in filtration all the time, and the using effect of the pump head is greatly improved.

2. According to the utility model, the spring is additionally arranged in the positioning rod sleeve, and the extension rod is pushed by the spring to move outwards, so that the scraper is kept attached to the inner wall of the open caisson, and further, when the scraper scrapes the fragments on the inner wall of the open caisson, the scraper can be contracted in a buffering manner when encountering hard stone blocks, the scraper is prevented from being damaged due to strong collision with the hard stone blocks, and the use effect of the scraper is greatly improved.

Drawings

FIG. 1 is a schematic view of the interior of the overall structure of the present invention;

FIG. 2 is a left side schematic view of the overall structure of the present invention;

FIG. 3 is a schematic, disassembled view of the filter assembly of the present invention;

FIG. 4 is a schematic half-sectional view of a swivel structure of the present invention;

FIG. 5 is a schematic view of an extension bar according to the present invention;

FIG. 6 is an enlarged view of the structure at A of the present invention;

FIG. 7 is an enlarged view of the structure at B of the present invention;

the reference numbers in the figures illustrate: 1. a mud suction crane frame; 2. a mud pump; 3. a filter assembly; 4. a positioning rod sleeve; 5. an extension rod; 6. a scraper; 201. a pump head; 202. a waterproof motor A; 203. a gear A; 301. A screen cylinder; 302. a limiting ring; 303. clamping a plate; 304. rotating the ring; 305. a gear track groove; 306. a limiting ring groove; 307. a mud scraping rod; 401. a spring; 402. a waterproof motor B; 403. a gear B; 501. a gear groove; 502. a clamping groove.

Detailed Description

Referring to fig. 1-7, the present invention provides a technical solution:

a bottom sealing device for an open caisson used for road and bridge engineering comprises a mud suction travelling crane frame 1, a mud suction pump machine 2 is arranged on the bottom surface of the mud suction travelling crane frame 1, a pump head 201 is fixedly arranged on the bottom surface of the mud suction pump machine 2, a waterproof motor A202 is fixedly arranged on the bottom surface of the mud suction pump machine 2 relative to the left side of the pump head 201, a gear A203 is fixedly arranged at the output end of the waterproof motor A202, a filter component 3 is screwed on the position of the outside of the mud suction pump machine 2 relative to the outside of the pump head 201, the filter component 3 comprises a filter screen cylinder 301, a limiting ring 302 is fixedly arranged on the top surface of the filter screen cylinder 301 for limiting the rotating track of a rotating ring 304, a plurality of clamping plates 303 are screwed on the top surface of the filter screen cylinder 301 relative to the position of the inner wall of the limiting ring 302 for limiting the position of the rotating ring 304 and avoiding falling off, a rotating ring 304 is arranged on the top surface of the limiting ring 302, a gear track groove 305 is arranged on the inner wall of the top surface of the rotating ring 304, two limiting ring grooves 306 are arranged on the outside of the rotating ring 304 in an up-and down symmetrical structure, the outside spiro union of change 304 has scrapes mud pole 307, it has set firmly two locating rod covers 4 to inhale the outside bilateral symmetry structure that is of mud pump machine 2, the inside spring 401 that is equipped with of locating rod cover 4, be convenient for the top moves extension rod 5 and expands outward, make scraper 6 closely laminate with the open caisson inner wall, 4 outer walls of locating rod cover have set firmly waterproof motor B402, waterproof motor B402 output has set firmly gear B403, gear B403 downside is equipped with extension rod 5, gear groove 501 has been seted up to 5 top surfaces of extension rod, draw-in groove 502 has been seted up to 5 outside bottom surfaces of extension rod, the spiro union has scraper 6 in draw-in groove 502.

Specifically, the gear a203 is in mesh transmission with the gear track groove 305, so as to drive the rotating ring 304 to rotate, and further enable the mud scraping rod 307 to clean the outside of the filter screen cylinder 301.

Furthermore, the limiting ring groove 306 positioned on the upper side is in sliding fit with the clamping plate 303, and the limiting ring groove 306 positioned on the lower side is in sliding fit with the limiting ring 302, so that the rotating path of the rotating ring 304 is conveniently limited.

Still further, gear B403 and gear groove 501 meshing transmission, be convenient for pull extension rod 5 and contract, make things convenient for the device installation operation.

Besides, the extension rod 5 is in sliding fit with the positioning rod sleeve 4, so that the extension rod 5 is limited to slide.

The working principle is as follows: when using this device, at first will inhale 1 crossbearer of mud traveling crane frame at the pit shaft both ends, will inhale in the mud pump machine 2 stretches into the pit shaft after that, then to water injection in the pit shaft then, meanwhile, scraper 6 scrapes inner wall earth stone piece at the inside rotation of pit shaft, make water and the fusion of mud stone piece be silt, discharge is siphoned away by pump head 201 again, then let the pit shaft dead weight descend, reach the work effect of open caisson, wait to reach the height of prediction, seal the bottom with muddy earth, just accomplish the work effect of open caisson back cover, when suction dredge work, waterproof motor A202 drives the change 304 rotatoryly, and then drive mud scraping rod 307 and clear away the adnexed clod piece of filter screen section of thick bamboo 301 outside, avoid the clod piece to block up the outside filtration pore of filter screen section of thick bamboo 301.

Claims (5)

1. The utility model provides a use open caisson back cover device for road bridge engineering, includes soil suction crane frame (1), its characterized in that: the mud suction crane frame (1) bottom surface is equipped with mud suction pump machine (2), mud suction pump machine (2) bottom surface has set pump head (201), mud suction pump machine (2) bottom surface has set waterproof motor A (202) for the left position of pump head (201), waterproof motor A (202) output has set gear A (203), mud suction pump machine (2) outside has filter assembly (3) for the position spiro union of pump head (201) outside, filter assembly (3) include filter screen section of thick bamboo (301), filter screen section of thick bamboo (301) top surface has set stop collar (302), filter screen section of thick bamboo (301) top surface has been for the position spiro union of stop collar (302) inner wall has a plurality of cardboard (303), stop collar (302) top surface is equipped with swivel (304), gear orbit groove (305) has been seted up to swivel (304) top surface inner wall, swivel (304) outside is upper and lower symmetrical structure and has seted up two spacing annular (306), swivel (304) outside spiral shell has scrapes mud pole (307), it has set firmly two locating bar covers (4) to inhale mud pump machine (2) outside and be the bilateral symmetry structure, locating bar cover (4) inside is equipped with spring (401), locating bar cover (4) outer wall has set firmly waterproof motor B (402), waterproof motor B (402) output has set firmly gear B (403), gear B (403) downside is equipped with extension rod (5), gear groove (501) have been seted up to extension rod (5) top surface, draw-in groove (502) have been seted up to extension rod (5) outside bottom surface, draw-in groove (502) internal thread knot has scraper (6).

2. The caisson sealing device for road and bridge engineering according to claim 1, wherein: the gear A (203) is in meshed transmission with the gear track groove (305).

3. The caisson sealing device for road and bridge engineering according to claim 1, wherein: and the limiting ring groove (306) is positioned on the upper side and is in sliding fit with the clamping plate (303), and the limiting ring groove (306) is positioned on the lower side and is in sliding fit with the limiting ring (302).

4. The caisson sealing device for road and bridge engineering according to claim 1, wherein: the gear B (403) is in meshing transmission with the gear groove (501).

5. The caisson sealing device for road and bridge engineering according to claim 1, wherein: the extension rod (5) is in sliding fit with the positioning rod sleeve (4).

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