CN215801596U

CN215801596U - Steel casing lifting device for slurry retaining wall cast-in-place pile

Info

Publication number: CN215801596U
Application number: CN202121257340.4U
Authority: CN
Inventors: 刘双; 周世平; 何伟
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-11
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a steel pile casing lifting device for a slurry retaining wall cast-in-place pile, and belongs to the technical field of building construction. The cleaning device comprises a fixed plate, jacking pieces and a jacking plate, wherein a cleaning mechanism is arranged on the fixed plate, at least two groups of jacking pieces are rotatably arranged on the fixed plate, the top of each group of jacking pieces is rotatably arranged on the jacking plate, a hoisting assembly is arranged on the jacking plate and used for connecting a steel casing, and through holes with the diameter larger than that of the steel casing are respectively arranged on the fixed plate and the jacking plate. According to the utility model, the cleaning mechanism is arranged on the fixing plate, and the cleaning unit is driven by the driver through the gear and the gear ring to clean the steel casing, so that the steel casing is beneficial to being reused in the later period. Meanwhile, the special structural design of the scraper on the steel casing is beneficial to effectively and powerfully removing the cohesive soil on the outer wall of the steel casing.

Description

Steel casing lifting device for slurry retaining wall cast-in-place pile

Technical Field

The utility model relates to the technical field of building construction, in particular to a steel pile casing lifting device for a slurry retaining wall cast-in-place pile.

Background

In the prior art, when a steel casing used for protecting a wall in the construction of a cast-in-situ bored pile is lifted, the steel casing is lifted by the combined action of a large crane and a vibration hammer. Because the building construction engineering site is narrow and small, the space between the piles is relatively small, large equipment is difficult to move in a foundation pit, the requirement on the site is high, and the occupied site is large; meanwhile, in the process of beating and pulling by the vibration hammer, the stability of the soil body on the wall of the peripheral pile hole is greatly influenced, and local hole collapse or the thickness of sediment at the bottom of the hole is easily increased; and need organize mechanical equipment in advance before the construction, increased the work degree of difficulty and construction cost, the most main outer wall cohesive soil property when still promoting the steel and protecting a section of thick bamboo, if not in time clear up, can influence the used repeatedly in later stage.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a steel casing lifting device for a mud retaining wall cast-in-place pile.

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

the steel pile casing lifting device for the slurry retaining wall cast-in-place pile comprises a fixed plate, jacking pieces and a jacking plate, wherein a cleaning mechanism is installed on the fixed plate, at least two groups of jacking pieces are installed on the fixed plate in a rotating mode, the top of each jacking piece is installed on the jacking plate in a rotating mode, a lifting assembly is installed on the jacking plate and used for being connected with a steel casing, and through holes with the diameter larger than that of the steel casing are formed in the fixed plate and the jacking plate.

The steel pile casing is connected with the lifting assembly, the jacking plate and the steel pile casing are lifted through the jacking piece after connection, the outer wall of the steel pile casing is cleaned through the cleaning mechanism in the lifting process, and the later-stage recycling land effect is achieved.

Preferably, the cleaning mechanism comprises a driver fixedly mounted on the fixing plate, a transmission gear mounted on an output shaft of the driver, and a gear ring rotatably mounted on the fixing plate, sleeved on the outer side of the steel casing and meshed with the transmission gear, wherein a cleaning unit is mounted on the gear ring.

Drive gear through the driver and carry out the ring gear with it and rotate, rotate the in-process and will clean the unit and rotate, clear up the processing through rotatory its surface afterwards.

Preferably, the cleaning unit comprises a plurality of scrapers which are arranged on the inner wall of the gear ring at equal intervals, and each scraper gradually extends from the top to the bottom to the rear side along the rotation direction of the gear ring.

Cover the clearance mechanism through the protection casing and establish, prevent through antifouling ring afterwards that scraper blade 7 from getting into inside the clearance mechanism when the clay of clearance steel protects a section of thick bamboo outer wall.

Preferably, the cleaning mechanism further comprises a protective cover which is arranged outside the driver and the cleaning mechanism and fixedly arranged on the fixing plate, and an anti-fouling ring is fixedly arranged on the gear ring.

Preferably, the lifting assembly comprises a lifting plate sleeved in the through hole of the lifting plate, at least three groups of connecting rods rotatably mounted at the bottom of the lifting plate, lifting pieces respectively mounted at the end parts of the connecting rods far away from the lifting plate, and an adjusting assembly mounted on the lifting plate.

Preferably, the adjusting assembly comprises an adjusting screw connected to the lifting plate in a threaded manner, an adjusting seat rotatably mounted at the bottom of the adjusting screw, and an adjusting rod with one end rotatably mounted on the adjusting seat and the other end rotatably mounted with the rod body of the connecting rod.

Carry out position control through adjusting screw with the seat of adjusting, adjust the pole simultaneously and can adjust the angle of connecting rod, finally can make the device hang a connecting hole on and the steel protects a section of thick bamboo and carry out the adaptation, reach the installation effect, when steel sheath is demolishd to needs, only need with adjusting screw reverse regulation, make hang a separation with the connecting hole can, just can reach and conveniently demolish, prior art is incomparable during this kind of design, prior art can only be through one section distance of reverse descending jacking spare with the lifting hook whereabouts, just can satisfy lifting hook and steel and protect a section of thick bamboo separation and demolish the condition, its traditional step can be simplified to this kind of design, the efficiency of construction is greatly improved.

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

1. according to the utility model, the cleaning mechanism is arranged on the fixing plate, and the cleaning unit is driven by the driver through the gear and the gear ring to clean the steel casing, so that the steel casing is beneficial to being reused in the later period. Meanwhile, the special structural design of the scraper on the steel casing is beneficial to effectively and powerfully removing the cohesive soil on the outer wall of the steel casing.

2. The utility model is provided with the protective cover and the antifouling ring, and the protective cover and the antifouling ring can ensure the sanitary environment of the pile hole and the surface of the device.

3. The lifting device is provided with the adjusting assembly, whether the lifting piece is separated from the steel sheath or not is facilitated through the adjusting assembly, the lifting piece is connected with the hole in the steel sheath through the adjusting screw rod by adjusting the adjusting rod, the stability of the whole device can be guaranteed in the lifting process, after the steel sheath is pulled out, the lifting piece is separated from the steel sheath through adjusting the adjusting screw rod on the steel sheath, the operation is simple, and the installation is convenient.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the cleaning mechanism of the present invention;

figure 3 is a cross-sectional view of the hoist assembly of the present invention.

In the figure: 1. a fixing plate; 2. a jacking piece; 3. a jacking plate; 4. a driver; 5. a transmission gear; 6. a ring gear; 7. a squeegee; 8. a protective cover; 9. an antifouling ring; 10. lifting the hanger plate; 11. a connecting rod; 12. a hanger; 13. adjusting the screw rod; 14. an adjusting seat; 15. and adjusting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 3, the steel pile casing lifting device for the slurry retaining wall cast-in-place pile comprises a fixed plate 1, four jacking members 2 and a jacking plate 3, wherein a cleaning mechanism is installed on the fixed plate 1, the four jacking members 2 are installed on the fixed plate 1 in a rotating manner, the top of each jacking member 2 (jack) is installed on the jacking plate 3 in a rotating manner, a lifting assembly (preferably a lifting hook) is installed on the jacking plate 3 and is used for connecting the steel casing, and through holes with diameters larger than the diameter of the steel casing are formed in the fixed plate 1 and the jacking plate 3. Realize being connected through lifting by crane the subassembly and protecting a section of thick bamboo with the steel, protect a section of thick bamboo through jacking piece 2 after connecting and promote the processing with jacking board 3 and steel, promote the in-process and protect a section of thick bamboo outer wall through cleaning the mechanism and clear up the processing, reach later stage reuse land effect.

The cleaning mechanism comprises a driver 4 fixedly mounted on the fixing plate 1, a transmission gear 5 mounted on an output shaft of the driver 4, and a gear ring 6 rotatably mounted on the fixing plate 1, sleeved on the outer side of the steel casing and meshed with the transmission gear 5, wherein a cleaning unit is mounted on the gear ring 6. The cleaning unit comprises a plurality of scrapers 7 which are arranged on the inner wall of the gear ring 6 at equal intervals, and each scraper 7 extends towards the rear side gradually from the top to the bottom along the rotating direction of the gear ring 6. The transmission gear 5 is driven by the driver 4 (motor) to rotate the gear ring 6, the scraper 7 rotates in the rotating process, and then the surface of the scraper is cleaned through rotation.

During the in-service use, at first install the top at a steel casing with the device, will install through the mounting hole that lifts by crane the subassembly on with the steel sheathing afterwards, protect a section of thick bamboo through jacking piece 2 with the steel and promote, promote the in-process and drive gear 5 and ring gear 6 through driver 4 and rotate, scraper blade 7 on it can clear up the soil property of bonding on the steel casing outer wall, peels off from the surface to do benefit to later stage reuse. The single steel casing is completely lifted by the reciprocating circular motion of the jacking piece 2, and the surface of the steel casing can be cleaned.

Example 2:

as shown in fig. 1 to 3, in addition to embodiment 1, it is further preferable that the cleaning mechanism further includes a protective cover 8 which is mounted outside the driver 4 and the cleaning mechanism and is fixedly mounted on the fixed plate 1, and the ring gear 6 is fixedly mounted with an anti-fouling ring 9. Cover the clearance mechanism through protection casing 8 and establish, prevent later through antifouling ring 9 that the scraper blade 7 from getting into inside the clearance mechanism when the clay of clearance steel protects a section of thick bamboo outer wall.

Example 3:

as shown in fig. 1 to 3, based on the preferred embodiment 2, the hoisting assembly includes a hoisting plate 10 sleeved in the through hole of the lifting plate 3, at least three sets of connecting rods 11 rotatably mounted at the bottom of the hoisting plate 10, hoisting members 12 (preferably bolts) respectively mounted at one end of the connecting rods 11 far from the hoisting plate 10, and an adjusting assembly mounted on the hoisting plate 10. The adjusting component comprises an adjusting screw 13 which is in threaded connection with the lifting plate 10, an adjusting seat 14 which is rotatably arranged at the bottom of the adjusting screw 13, and an adjusting rod 15, one end of which is rotatably arranged on the adjusting seat 14, and the other end of which is rotatably arranged with the rod body of the connecting rod 11.

Carry out position control through adjusting screw 13 with adjusting seat 14, adjust pole 15 simultaneously and can adjust the angle of connecting rod 11, can finally make the connecting hole that hangs on 12 and the steel casing of device carry out the adaptation, reach the installation effect, when the steel casing is demolishd to needs, only need with adjusting screw 13 reverse regulation, make hang 12 with the connecting hole separation can, just can reach and conveniently demolish, prior art is incomparable during this kind of design, prior art can only satisfy lifting hook and steel casing and demolish the accent through one section distance of reverse descending jacking piece 3 with the lifting hook whereabouts, its traditional step can be simplified to this kind of design, the efficiency of construction is greatly improved.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. The technical solution and the inventive concept thereof according to the present invention should be covered by the protection scope of the present invention by equivalent substitution or change.

Claims

1. The device for lifting the steel pile casing of the slurry retaining wall cast-in-place pile is characterized by comprising a fixed plate (1), jacking pieces (2) and a jacking plate (3), wherein a cleaning mechanism is installed on the fixed plate (1), at least two sets of jacking pieces (2) are installed on the fixed plate (1) in a rotating mode, each set of jacking pieces (2) is installed on the jacking plate (3) in a rotating mode, a lifting assembly is installed on the jacking plate (3) and used for connecting the steel casing, and through holes with diameters larger than the diameter of the steel casing are formed in the fixed plate (1) and the jacking plate (3).

2. The device for lifting the steel casing of the frontal mud retaining wall cast-in-place pile according to claim 1, characterized in that the sweeping mechanism comprises a driver (4) fixedly arranged on the fixed plate (1), a transmission gear (5) arranged on an output shaft of the driver (4), and a gear ring (6) rotatably arranged on the fixed plate (1) and sleeved outside the steel casing and meshed with the transmission gear (5), wherein a sweeping unit is arranged on the gear ring (6).

3. A mud retaining wall cast-in-place pile steel casing lifting device according to claim 2, characterized in that the sweeping unit comprises a plurality of scrapers (7) which are arranged on the inner wall of the gear ring (6) at equal intervals, and each of the scrapers (7) gradually extends from top to bottom towards the rear side along the rotation direction of the gear ring (6).

4. A mud-guard bored concrete pile steel casing lifting device according to claim 3, wherein said sweeping means further comprises a guard (8) mounted outside the driver (4) and sweeping means and fixedly mounted over the fixed plate (1), and said ring gear (6) is fixedly mounted with an anti-fouling ring (9).

5. The steel casing lifting device for the mud retaining wall cast-in-place pile according to claim 1, wherein the lifting assembly comprises a lifting plate (10) sleeved in a through hole of the jacking plate (3), at least three groups of connecting rods (11) rotatably arranged at the bottom of the lifting plate (10), lifting pieces (12) respectively arranged at one end parts of the connecting rods (11) far away from the lifting plate (10), and an adjusting assembly arranged on the lifting plate (10).

6. A mud retaining wall bored pile steel casing lifting device according to claim 1, wherein said adjustment assembly comprises an adjustment screw (13) threaded on the lifting plate (10), an adjustment seat (14) rotatably mounted at the bottom of the adjustment screw (13), and an adjustment rod (15) rotatably mounted at one end on the adjustment seat (14) and at the other end with the shank of the connecting rod (11).