CN216764038U

CN216764038U - Segment lifting appliance and segment lifting device thereof

Info

Publication number: CN216764038U
Application number: CN202220433976.8U
Authority: CN
Inventors: 宋德华; 孟昊; 李明; 齐志冲; 胡燕伟; 周永举; 陈真; 崔磊
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-06-17
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a segment lifting appliance and a segment lifting device thereof, which can efficiently and safely transfer a ring segment stored on the ground of an initial foundation pit or a vertical shaft to the underground and solve the problems of low efficiency, high risk and difficult manual operation in the prior art. Section of jurisdiction hoist, including the support frame, the lower part of support frame is equipped with flexible landing leg, and the upper portion of support frame is equipped with the over-and-under type and compresses tightly the frame, and flexible landing leg is located the below of over-and-under type pressure frame and distributes in the both sides of over-and-under type pressure frame, and flexible landing leg and over-and-under type pressure frame cooperation are pressed from both sides tightly about going on the section of jurisdiction. The lifting device is integrated with at least one lifting appliance, the requirement of completing one-time transfer of the whole ring of segments is met, and compared with the traditional construction method, the efficiency is improved by more than one time, so that the construction efficiency and the safety of the shield construction method are improved.

Description

Segment lifting appliance and segment lifting device thereof

Technical Field

The utility model relates to the technical field of segment lifting, in particular to a segment lifting appliance and a segment lifting device thereof.

Background

Under the vigorous push of the urbanization process and underground space development, the industries such as urban subways, highway tunnels, comprehensive pipe galleries, hydraulic engineering and the like are rapidly developed, wherein the shield construction method is widely applied due to the characteristics of small environmental influence, high tunneling speed, safety, environmental protection, small surface subsidence and the like.

The pipe piece is used as a most common prefabricated piece for the primary lining of shield construction, plays an important role in the construction of the subway tunnel, is a 'liner' of the subway tunnel, and plays roles of supporting and reinforcing the tunnel, preventing underground water seepage, soil sand collapse and the like. The safe and efficient transfer of the duct piece determines the success or failure of the shield construction, and the transfer efficiency of the duct piece is the most key restriction point for improving the construction efficiency of the shield construction. At present, semi-ring duct pieces are generally transferred to a duct piece car of an original underground marshalling train from the ground by using a hanging strip at one time, and the defects of unfixed hanging points, large falling risk, low efficiency and the like exist. Part shaft engineering project also adopts the section of jurisdiction to strut, faces the section of jurisdiction and transports the difficult problem in the pit from the well head equally, does not have suitable transfer device among the prior art at present.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the background technology, the utility model provides a pipe piece lifting appliance and a pipe piece lifting device thereof, which can efficiently and safely transfer a circular pipe piece stored on the ground of a starting foundation pit or a vertical shaft to the underground, and solve the problems of low efficiency, high risk and difficult manual operation in the prior art.

The technical scheme of the utility model is realized as follows: the utility model provides a section of jurisdiction hoist, includes the support frame, and the lower part of support frame is equipped with flexible landing leg, and the upper portion of support frame is equipped with the over-and-under type and compresses tightly the frame, and flexible landing leg is located the below of over-and-under type compression frame and distributes in the both sides of over-and-under type compression frame, and flexible landing leg and over-and-under type compression frame cooperation are pressed from both sides tightly about going on the section of jurisdiction.

The support frame is an inverted U-shaped frame, and the telescopic support legs are symmetrically arranged at the lower part of the inverted U-shaped frame and are perpendicular to the side wall of the inverted U-shaped frame; the lifting type pressing frame is arranged on the top wall of the inverted U-shaped frame.

Furthermore, the telescopic supporting leg comprises a guide sleeve, a supporting arm is arranged in the guide sleeve in a sliding mode, and a telescopic oil cylinder is arranged between the supporting arm and the guide sleeve. The stroke detection sensor is arranged on the supporting arm and used for detecting the distance of the supporting arm extending out of the guide sleeve; the outer end part of the supporting arm is provided with an anti-skid cushion block.

Further, the over-and-under type compresses tightly the frame and includes the holding frame, and the holding frame is connected with the support frame through the lift driving piece.

Preferably, the lifting driving part comprises a clamping oil cylinder and a sleeve part, the sleeve part comprises a fixed guide sleeve fixed on the supporting frame and a guide column fixed on the clamping frame, and the guide column is in sliding fit with the fixed guide sleeve. And a pressing block is arranged on the bottom surface of the clamping frame opposite to the telescopic supporting leg. The upper portion of support frame can be dismantled and be equipped with the connection otic placode.

A segment lifting device comprises a lifting beam and at least one segment lifting tool, wherein the lifting beam is connected with a conveying device through a lifting rope. As a preferred scheme, the lower part of the hanging beam is provided with at least two segment hangers arranged in parallel; the conveying device adopts a gantry crane.

The telescopic supporting legs of the lifting appliance are matched with the lifting type pressing frame to vertically clamp the duct piece, so that the grabbing and releasing functions of the whole ring of duct pieces are completed. And the lifting appliance integrates the technologies of mechanical grabbing, hydraulic control, electrical monitoring and the like, so that the safety accidents caused by manual misoperation of the traditional method are reduced, and the safe and efficient transfer of the whole ring of duct pieces to the duct pieces is ensured. In addition, the lifting device is combined with at least one lifting appliance, the requirement of completing one-time transfer of the whole ring of segments is met, and compared with the traditional construction method, the efficiency is improved by more than one time, so that the construction efficiency and the safety of the shield construction method are improved.

Drawings

In order to illustrate the embodiments of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be derived from them by a person skilled in the art without inventive effort.

Fig. 1 is a schematic view of a segment spreader structure according to the present invention.

Fig. 2 is a schematic diagram of the extension state of the telescopic legs of the segment spreader.

Fig. 3 is a schematic structural view of a lifting type compaction frame of the segment lifting appliance.

Fig. 4 is a schematic view of the handling state of the segment handling device.

Fig. 5 is a schematic structural diagram of the segment lifting device.

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. All other embodiments, which can be obtained by a person skilled in the art based on the embodiments of the present invention without inventive step, are within the scope of the present invention.

As shown in fig. 1, in embodiment 1, a segment lifting appliance includes a supporting frame 501, a telescopic leg 504 is provided at the lower part of the supporting frame 501, and the telescopic leg 504 can be extended and retracted with the supporting frame to support segments with different widths. The upper portion of support frame 501 is equipped with over-and-under type and compresses tightly frame 510, and over-and-under type compresses tightly frame 510 and can carry out the up-and-down motion relatively the support frame, and the mainly used compresses tightly the section of jurisdiction on telescopic leg 504 from upper portion. The telescopic supporting legs 504 are located below the lifting type pressing frame 510 and distributed on two sides of the lifting type pressing frame 510, the telescopic supporting legs 504 are matched with the lifting type pressing frame 510 to clamp the duct piece up and down, and the grabbing and releasing functions of the whole-ring duct piece are completed.

Preferably, the supporting frame 501 is an inverted U-shaped frame, and the telescopic legs 504 are symmetrically arranged at the lower part of the inverted U-shaped frame and perpendicular to the side walls of the inverted U-shaped frame. Two telescopic leg sets up relatively, and the telescopic action through telescopic leg can accomplish the centre gripping and the release to the section of jurisdiction, can carry out the bearing to the section of jurisdiction in the certain width scope again, improves the suitability of device. The lifting type compressing frame 510 is arranged on the top wall of the inverted U-shaped frame and used for compressing a plurality of pipe pieces on the telescopic supporting legs from the upper portion, and the lifting stability is guaranteed.

As shown in fig. 2, in embodiment 2, a pipe sling, based on embodiment 1, the telescopic leg 504 includes a guide sleeve 502, and the guide sleeve is fixedly disposed on the support frame. A supporting arm 511 is arranged in the guide sleeve 502 in a sliding mode, and a telescopic oil cylinder 503 is arranged between the supporting arm 511 and the guide sleeve 502. In this embodiment, the telescopic oil cylinder is located inside the guide sleeve and the support arm, so that the power of the support arm moving relative to the guide sleeve is improved. In the actual work progress, flexible hydro-cylinder is flexible to drive the relative guide sleeve motion of support arm, carries out the clamp to the section of jurisdiction and gets and release.

In order to improve the control precision of the telescopic supporting leg, a stroke detection sensor 505 is arranged on the supporting arm 511, the stroke detection sensor 505 detects the distance of the supporting arm 511 extending out of the guide sleeve 502, and meanwhile, whether the extending and recovering actions of the telescopic supporting leg are in place or not is monitored. In addition, in order to reduce the damage of the duct piece in the hoisting process and improve the hoisting safety, the outer end part of the supporting arm 511 is provided with an anti-skid cushion block 512, so that the duct piece is prevented from sliding relative to the supporting arm.

As shown in fig. 3, in embodiment 3, the segment spreader is based on embodiment 2, and the lifting type pressing frame 510 includes a clamping frame 509, and the clamping frame cooperates with the telescopic arm for clamping the segment. The clamping frame 509 is connected with the supporting frame 501 through a lifting driving member, and under the action of the lifting driving member, the clamping frame moves relative to the telescopic support legs to compress the pipe pieces or not, so that the lifting stability of the pipe pieces is ensured.

Further, as a preferred scheme, the lifting driving member includes a clamping cylinder 506 and sleeve members, in this embodiment, the number of the clamping cylinders is 1, the number of the sleeve members is 4, and the four sleeve members are distributed on two sides of the clamping frame. The clamping and the falling prevention of the pipe piece are achieved through the expansion of the clamping oil cylinder and the matching of the sleeve piece. Wherein, the sleeve part comprises a fixed guide sleeve 507 fixed on the support frame 501 and a guide column 508 fixed on the clamping frame 509, and the guide column 508 is in sliding fit with the fixed guide sleeve 507. The guide post 508 and the fixed guide sleeve 507 are both vertically arranged, and under the action of the clamping oil cylinder, the guide post slides relative to the fixed guide sleeve to prevent the clamping frame from inclining. In order to improve the clamping stability and reduce the damage of the clamping frame to the tube sheet, a pressing block 513 is arranged on the bottom surface of the clamping frame 509 opposite to the telescopic supporting leg 504. In order to facilitate the connection of the support frame and the lifting device, the upper part of the support frame 501 is detachably provided with a connecting lug plate 514. The number of the connecting ear plates 514 can be set to 2-4 according to the requirement, so that the connection stability is improved.

Example 4: as shown in fig. 4, a segment lifting device comprises a lifting beam 4 and at least one segment spreader 5, wherein the lifting beam 4 and the at least one segment spreader 5 form a complete transfer device 2. In the actual segment hoisting process, the hoisting beam 4 is connected with the transportation device 1 through the hoisting rope 3, and mainly completes efficient and safe hoisting of the segment in the segment storage area on the ground of the starting foundation pit or the vertical shaft to the underground or other designated positions.

Example 5: as shown in fig. 5, in the segment lifting device, on the basis of embodiment 4, two segment lifting appliances 5 arranged in parallel are arranged at the lower part of a lifting beam 4; the conveying device 1 adopts a gantry crane, and the lifting rope 3 adopts a steel wire lifting rope.

The working process of the utility model is as follows: the shield construction method utilizes a gantry crane on an originating well to finish material transfer work. Install novel section of jurisdiction transfer device steel wire lifting rope on portal crane or other conveyer lifting hooks. Drive section of jurisdiction transfer device through the portal crane and remove to well or shaft on the shaft piece storage area, with landing leg telescopic cylinder shrink minimum stroke, the same shrink of centre gripping hydro-cylinder is to minimum stroke, and after minimum stroke sensor was whole to get the signal, could transfer section of jurisdiction transfer device to two piles of pipe pieces of an entire ring. And then the telescopic oil cylinder is extended to the maximum stroke, until the maximum stroke sensor obtains a signal, the lifting hook can lift the supporting leg to be attached to the segment, at the moment, the clamping oil cylinder also extends out, the segment is clamped tightly through the clamping frame, and then the whole ring of segment is integrally lifted and walks to the underground or other designated positions of the initial well or the vertical well. Then, the lifting hook is lowered until two stacks of duct pieces are in place, the clamping oil cylinder is contracted, the supporting leg telescopic oil cylinder is retracted to the minimum stroke, and finally the duct piece transfer device is lifted to the initial point, so that the whole transfer work of the duct pieces is completed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a section of jurisdiction hoist which characterized in that: the device comprises a support frame (501), wherein telescopic support legs (504) are arranged on the lower portion of the support frame (501), a lifting type pressing frame (510) is arranged on the upper portion of the support frame (501), the telescopic support legs (504) are located below the lifting type pressing frame (510) and distributed on two sides of the lifting type pressing frame (510), and the telescopic support legs (504) are matched with the lifting type pressing frame (510) to clamp the tube sheet up and down.

2. The segment spreader of claim 1, wherein: the support frame (501) is an inverted U-shaped frame, and the telescopic support legs (504) are symmetrically arranged at the lower part of the inverted U-shaped frame and are perpendicular to the side wall of the inverted U-shaped frame; the lifting type pressing frame (510) is arranged on the top wall of the inverted U-shaped frame.

3. The segment spreader of claim 1 or 2, wherein: the telescopic supporting leg (504) comprises a guide sleeve (502), a supporting arm (511) is arranged in the guide sleeve (502) in a sliding mode, and a telescopic oil cylinder (503) is arranged between the supporting arm (511) and the guide sleeve (502).

4. The segment spreader of claim 3, wherein: the stroke detection sensor (505) is arranged on the supporting arm (511), and the stroke detection sensor (505) detects the distance of the supporting arm (511) extending out of the guide sleeve (502); the outer end part of the supporting arm (511) is provided with an anti-skid cushion block (512).

5. The segment spreader of claim 1, 2 or 4, wherein: the lifting type pressing frame (510) comprises a clamping frame (509), and the clamping frame (509) is connected with the supporting frame (501) through a lifting driving piece.

6. The segment spreader of claim 5, wherein: the lifting driving piece comprises a clamping oil cylinder (506) and a sleeve piece, the sleeve piece comprises a fixed guide sleeve (507) fixed on the supporting frame (501) and a guide column (508) fixed on the clamping frame (509), and the guide column (508) is in sliding fit with the fixed guide sleeve (507).

7. The segment spreader of claim 5, wherein: and pressing blocks (513) are arranged on the bottom surfaces of the clamping frames (509) opposite to the telescopic supporting legs (504).

8. A segment spreader according to claim 1 or 2 or 4 or 6 or 7, wherein: the upper part of the support frame (501) is detachably provided with a connecting lug plate (514).

9. A segment lifting device, characterized in that: comprising a lifting beam (4) and at least one segment spreader (5) according to any of claims 1 to 8, the lifting beam (4) being connected to the transportation device (1) by means of a lifting rope (3).

10. The segment handling apparatus of claim 9, wherein: the lower part of the hanging beam (4) is provided with at least two segment hangers (5) which are arranged in parallel; the conveying device (1) adopts a gantry crane.