CN210977507U

CN210977507U - Subway construction mobile tunnel segment support frame

Info

Publication number: CN210977507U
Application number: CN201922110191.8U
Authority: CN
Inventors: 辛永波; 王小健; 王晓军; 张显军; 贾凤河
Original assignee: Chengdu Rail Transit Construction Management Co Ltd
Current assignee: Chengdu Rail Transit Construction Management Co Ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-07-10
Anticipated expiration: 2029-11-30

Abstract

A movable tunnel segment support frame for subway construction comprises a support, two stand columns and a roller set, wherein the two stand columns are arranged in parallel and fixedly connected through the support, air cylinders are fixedly arranged at the top, the upper part and the bottom of each stand column, a support device is fixedly arranged at the end part of a telescopic rod of each air cylinder, and the support device is provided with two adjustable support heads, so that a support point is strengthened, and the support position can be adjusted; the cylinder is used for driving the supporting device to do lifting motion so as to achieve the effect of supporting the tunnel segment; the roller train sets up in the stand bottom, and when whole device did not work, the roller train drives whole device through sliding and then slides on the track to reach the purpose that whole device is convenient for remove, the roller train can slide from top to bottom in the stand bottom, because the reverse effort's of cylinder during operation existence, whole device during operation will not slide and the guide block has restricted it can not control and rock, has ensured the security.

Description

Subway construction mobile tunnel segment support frame

Technical Field

The utility model belongs to the technical field of subway tunnel section of jurisdiction support equipment, concretely relates to portable tunnel section of jurisdiction support frame of subway construction.

Background

The subway refers to the urban rail transit system of operation in the underground, along with the continuous increase of traffic flow, the subway demand constantly increases, also more and more to the demand of subway construction equipment, takes subway tunnel section of jurisdiction support frame as an example, and the structure of tunnel section of jurisdiction support frame on the market at present generally is single support head, does not have the roller train, and it has following shortcoming when using: one supports the unable stable tunnel section of jurisdiction of head to support the position of head and can not adjust, the transport operation is inconvenient, needs other external equipment such as the hoist just can remove, pulls the support through the manual work, and intensity of labour is bigger, uses very inconveniently, and the supporting shoe that is equipped with is less, and the supporting effect is relatively poor, appears certain potential safety hazard easily. This technical scheme has mainly solved the not enough, poor and certain potential safety hazard's of mobility problem of current tunnel section of jurisdiction support frame strong point.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable tunnel section of jurisdiction support frame of subway construction for solve the technical problem who exists among the prior art, if: the supporting point is not adjustable, the mobility is poor, and potential safety hazards exist.

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

a movable tunnel segment support frame for subway construction comprises a support, two stand columns and a roller set, wherein the two stand columns are arranged in parallel and fixedly connected through the support, air cylinders are fixedly arranged at the top, the upper part and the lower part of each stand column, and a support device is fixedly arranged at the end part of a telescopic rod of each air cylinder; the roller group is arranged at the bottom of the upright post and can slide up and down at the bottom of the upright post; the cylinder is used for driving the supporting device to do lifting motion so as to achieve the purpose of supporting the tunnel segment, and the roller train can drive the whole device to move.

The supporting device comprises a sliding rail, two sliding blocks and two supporting heads, wherein the sliding blocks are arranged on the sliding rail in a sliding mode, the two sliding blocks are fixedly connected with the two supporting heads respectively, one ends, far away from the sliding blocks, of the supporting heads are arc-shaped, the transverse cross section of the sliding rail is I-shaped, the two ends of the sliding rail are provided with stop blocks, each sliding block comprises a top plate and two L-shaped plates which are symmetrically arranged, the top plates are fixedly connected to the tops of the two L-shaped plates, the bottoms of the L-shaped plates are slidably arranged in grooves of the sliding rail, the structural strength is guaranteed by the I-shaped structure of the sliding rail, and the sliding blocks can slide on the sliding rail to further play a.

Furthermore, slider one side has the screw thread through-hole, and screw thread through-hole female connection has holding screw, holding screw's one end can with the track contact can reach holding slider through the elasticity holding screw, guarantees the stable purpose of strong point.

Furthermore, the bottom both sides of two stands all are provided with the guide block, guide block and track looks adaptation, and the guide block can play the effect of the firm whole device when direction and operating condition when the device slided.

Further, the roller train includes a plurality of gyro wheels that set up side by side, the gyro wheel can roll on the track, roller train both ends face is fixedly connected with slide respectively, and the slide can slide from top to bottom in the guide block, and when whole device propped up the tunnel section of jurisdiction, the slide upwards slided, and the guide block propped up whole device.

Furthermore, an elastic mechanism is fixedly installed at the bottom of the upright post, the other end of the elastic mechanism is connected with the sliding plate, and when the whole device is not operated, the elastic mechanism contracts under the influence of the gravity of the whole device and supports the whole device by extruding the sliding plate.

Furthermore, the air cylinder is connected with an air pump, and the air pump supplies air to the air cylinder when the air cylinder works.

Furthermore, one side of each support head, which is arc-shaped, can be attached to a tunnel segment, so that the stability of the support heads is ensured.

The utility model has the advantages that:

(1) the movable tunnel segment support frame for subway construction is provided with a support device and a set screw, wherein the support device comprises a sliding block, a support head and a sliding rail, the support head is driven by the sliding block to slide on the sliding rail, and the set screw is screwed for fixing after the support head is in place, so that the beneficial effects that a support point can be adjusted and the position of the support point is stable are achieved;

(2) the movable tunnel segment support frame for subway construction is provided with the roller set, and the device can slide on the rail through the roller set, so that the beneficial effect that the whole device is convenient to move is achieved;

(3) this portable tunnel section of jurisdiction support frame of subway construction is provided with guide block, elasticity mechanism and cylinder, and when whole device at the during operation, the cylinder applys a reverse effort for elasticity mechanism, and elasticity mechanism is compressed, and the guide block is direct to contact and lift whole device with the ground, and its during operation stable in structure has reached the beneficial effect that the security obtained the guarantee.

Drawings

Fig. 1 shows that the utility model relates to an overall structure schematic diagram of a movable tunnel segment support frame for subway construction.

Fig. 2 shows that the utility model relates to a strutting arrangement overall structure schematic diagram of subway construction mobile tunnel section of jurisdiction support frame.

Fig. 3 shows a schematic diagram of a cross-sectional view of the end face of the roller train of the support frame for the movable tunnel segment for subway construction.

Fig. 4 shows that the utility model relates to a strutting arrangement side schematic view of subway construction mobile tunnel section of jurisdiction support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4 of the present invention, and it should be apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A movable tunnel segment supporting frame for subway construction comprises a support 4, two stand columns 2 and a roller train 6, wherein rollers arranged on the roller train 6 side by side guarantee stability during sliding, the two stand columns 2 are arranged in parallel, the two stand columns 2 are fixedly connected through the support 4, three air cylinders 1 are fixedly arranged at the top, the upper part and the bottom of each stand column 2 respectively, a supporting device is fixedly arranged at the end part of a telescopic rod of each air cylinder 1, and each air cylinder 1 is used for driving the supporting device to do telescopic motion so as to achieve the effect of supporting a tunnel segment; the roller group 6 is rotatably arranged at the bottom of the upright post 2, the rollers on the roller group 6 can roll on the track 7, and when the whole device is not operated, the support frame slides on the track 7 through the roller group 6, so that the aim of facilitating the movement of the whole device is fulfilled.

Two sides of the bottom of the upright post 2 close to the rail 7 are respectively and fixedly provided with two elastic mechanisms 15, the elastic mechanisms 15 can be devices with elastic force such as springs and spring pieces, one side of each elastic mechanism 15 is fixedly connected with the upright post 2, the other side of each elastic mechanism is contacted with the sliding plate 14, when the whole device is not in a working state, the elastic mechanisms 15 jack up the whole device, the guide blocks 8 are not contacted with the ground, the device can freely slide on the rail 7 at the moment, when the whole device is in the working state, the air pump 3 supplies air to the air cylinder 1, the air cylinder 1 drives the supporting device to do lifting motion, one end of a supporting head 9 on the supporting device, which is far away from the sliding block 5, is in an arc shape and can tightly cling to the tunnel duct piece 12 when being pushed by the air cylinder 1, the air cylinder 1 drives the supporting device to support the tunnel duct piece 12 and simultaneously applies a, whole device can be pressed to ground 16 by above-mentioned reverse acting force, guide block 8 will contact with ground 16, guide block 8 will prop up whole device this moment, so whole device will not slide on slide rail 7 when operating condition, and roller train 6 can not receive other acting forces except elastic mechanism 15, the durability of device has been guaranteed, again because

guide block

8 and 7 clearance fit of track, guide block 8 at this moment still can retrain the horizontal degree of freedom of whole device, the stability and the security of device have been guaranteed, to sum up, when whole device is operating condition, can not slide, and can not sway about can not, its stability and security obtain certain guarantee.

The transverse section of the slide rail 10 is in an I shape, the I-shaped structure ensures the supporting strength, when the fastening screw 11 is not inserted into the slide block 5 or inserted into the slide block 5 but not screwed in place, the slide block 5 can freely slide on the slide rail 10, when the fastening screw 11 is inserted into the slide block 5 and is in a screwed state, the slide block 5 cannot slide on the slide rail 10, so that the beneficial effect of adjustable supporting point can be achieved, the two slide blocks 5 ensure the uniform supporting force, and the stroke of the slide block 5 is limited within the length of the slide rail due to the action of the stop block 13.

In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Claims

1. The movable tunnel segment support frame for subway construction is characterized by comprising a support (4), two stand columns (2) and a roller train (6), wherein the two stand columns (2) are arranged in parallel, the two stand columns (2) are fixedly connected through the support (4), air cylinders (1) are fixedly arranged at the top, the upper part and the lower part of each stand column (2), and a support device is fixedly arranged at the end part of a telescopic rod of each air cylinder (1); the roller group (6) is arranged at the bottom of the upright post (2), and the roller group (6) can slide up and down at the bottom of the upright post (2);

the supporting device comprises a sliding rail (10), two sliding blocks (5) and two supporting heads (9), wherein the sliding blocks (5) are arranged on the sliding rail (10) in a sliding mode, the two sliding blocks (5) are fixedly connected with the two supporting heads (9) respectively, and one ends, far away from the sliding blocks (5), of the supporting heads (9) are arc-shaped.

2. The movable tunnel segment support frame for subway construction as claimed in claim 1, wherein said slide rail (10) is h-shaped in transverse cross-section, said slide rail (10) has stoppers (13) at both ends, said slide block (5) comprises a top plate and two L-shaped plates symmetrically arranged, said top plate is fixedly connected to the tops of said two L-shaped plates, and the bottoms of said L-shaped plates are slidably arranged in the grooves at both sides of said slide rail (10).

3. The movable tunnel segment support frame for subway construction as claimed in claim 1, wherein said slide block (5) has a threaded through hole at one side, a set screw (11) is connected to said threaded through hole, one end of said set screw (11) can contact said slide rail (10).

4. The movable tunnel segment support frame for subway construction as claimed in claim 1, wherein said two columns (2) are provided with guide blocks (8) on both sides of bottom, said guide blocks (8) are adapted to said track (7).

5. The movable tunnel segment support frame for subway construction as claimed in claim 4, wherein said roller set (6) comprises a plurality of rollers arranged side by side, said rollers can roll on the track (7), two end faces of said roller set (6) are respectively and fixedly connected with sliding plates (14), and said sliding plates (14) can slide up and down in the guide blocks (8).

6. The movable tunnel segment support frame for subway construction as claimed in claim 5, wherein said column (2) is fixedly installed with an elastic mechanism (15) at the bottom, and another end of said elastic mechanism (15) is connected with said sliding plate (14).

7. The movable tunnel segment support frame for subway construction as claimed in claim 1, wherein said cylinder (1) is connected with an air pump (3).

8. The movable tunnel segment support frame for subway construction as claimed in claim 1, wherein said two support heads (9) are curved and can be attached to tunnel segment (12).