Subway tunnel segment transporting and splicing device

Abstract

The utility model discloses a subway tunnel segment transporting and splicing device which comprises a moving table, a rotating mechanism, a splicing mechanism and a segment fixing mechanism which are sequentially connected, the rotating mechanism can move in the segment laying direction and is used for driving the splicing mechanism to rotate, and the segment fixing mechanism is used for fixing segments. The splicing mechanisms are movably connected with the duct piece fixing mechanism, the splicing mechanisms are used for enabling the duct piece fixing mechanism to rotate on two planes perpendicular to each other, and the splicing mechanisms get close to each other and are used for splicing duct pieces; by means of the device, the functions of transporting, splicing and staggering the duct pieces can be achieved at the same time; the structure is simple and the cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of segment assembly, particularly relates to a subway tunnel segment transportation and splicing device. BACKGROUND

[0002] Segment assembly is an important link in shield engineering, and its quality directly affects the stress condition of the tunnel and the safety of the overall project. During the assembly process, the standard block segment is usually started from the lower part, and then the standard segments are alternately installed on the left and right sides, followed by the assembly of adjacent block segments, and finally the capping block segment is installed. During the assembly, attention should be paid to tightening the connecting bolts to ensure the firmness of the circumferential and axial connections. In the simulation of shield tunneling, the diameter of the corresponding ring of the segments used in the test is smaller, and the material quality is greatly reduced. Although the above conditions greatly facilitate the segment assembly work in the experiment, the existing test equipment does not have the functions of simultaneous transportation, splicing and staggered joint of segments.

[0003] For example, patent No. CN110939460B discloses a test segment assembly system, which includes a sunken experimental pit, a counterforce wall arranged in the experimental pit, a segment support platform arranged on the left side of the counterforce wall and connected with the counterforce wall perpendicularly, a segment ring arranged on the segment support platform, a segment support frame arranged in the segment ring, a counterforce frame arranged on the left side of the segment support platform, and a segment support frame moving device arranged between the segment support frame and the counterforce frame. The counterforce frame is fixedly connected with the ground of the experimental pit, the counterforce wall is fixedly connected with the bottom of the experimental pit perpendicularly, one end of the segment support frame moving device is connected with the counterforce frame, and the other end of the segment support frame moving device is connected with the segment support frame and the counterforce wall respectively.

[0004] It can be seen that the test equipment in the prior art does not have the functions of simultaneous transportation, splicing and staggered joint. INVENTION CONTENTS

[0005] The utility model aims at providing a subway tunnel segment transportation and splicing device, which solves the problem that the prior art does not have the functions of simultaneous transportation, splicing and staggered joint.

[0006] The utility model is implemented as follows: a subway tunnel segment transportation and splicing device, a moving table, a rotating mechanism, a splicing mechanism and a segment fixing mechanism connected in sequence, the rotating mechanism can move along the direction of segment laying, the rotating mechanism is used for driving the splicing mechanism to rotate, the segment fixing mechanism is used for fixing the segment, the splicing mechanism is movably connected with the segment fixing mechanism, the splicing mechanism is used for rotating the segment fixing mechanism on two mutually perpendicular planes, and the splicing mechanisms are close to each other for segment splicing.

[0007] The utility model discloses a pipe piece fixing mechanism fixes the pipe piece, and then the pipe piece can be moved to the position of waiting for laying through the moving platform, and then the pipe piece fixing mechanism can rotate on two mutually perpendicular planes under the drive of the splicing mechanism, so that the pipe piece placed on the ground is first rotated upwards to make the pipe piece be in the vertical suspended state, and then the pipe piece is rotated to the two sides to make the openings of the pipe pieces oppositely arranged, finally the pipe pieces are spliced through the mutual approaching of the splicing mechanisms to form the annular pipe pieces, and when the staggered joint is needed according to the requirement after the splicing is completed, the annular pipe pieces on the pipe piece fixing mechanism are rotated through the rotation of the splicing mechanism driven by the rotating mechanism to form the staggered joint with the pipe piece installed previously.

[0008] The further technical scheme of the utility model discloses: the splicing mechanism is two groups, and the pipe piece fixing mechanism is two groups and one-to-one corresponds with the splicing mechanism.

[0009] The further technical scheme of the utility model discloses: the splicing mechanism includes first drive, second drive, third drive, support arm and movable piece, one end of the support arm is movably connected with the pipe piece fixing mechanism through the movable piece, the output end of first drive and second drive is connected with the adjacent two sides on the pipe piece fixing mechanism respectively, the first drive is used to rotate the pipe piece fixing mechanism from horizontal to vertical, the second drive is used to rotate the pipe piece fixing mechanism to the outside of the support arm, and the third drive is used to drive the support arm to approach or move away from each other.

[0010] After the pipe piece fixing mechanism fixes the pipe piece, the first drive acts to lift the pipe piece from the ground to the vertical state, and the pipe piece fixing mechanism is rotated from horizontal to vertical at this time, the second drive acts to further act the pipe piece in the vertical state to make the pipe pieces on the two pipe piece fixing mechanisms be in the opening opposite state, and the pipe piece fixing mechanism is rotated to the outside of the support arm from the vertical state at this time, then the third drive acts to make the pipe piece fixing mechanisms approach each other, and the pipe pieces also approach each other, and the pipe pieces are spliced to form the annular pipe pieces, and for the pipe piece needing staggered installation, the pipe piece fixing mechanism on the splicing mechanism is rotated through the rotating mechanism to realize the staggered joint with the previous annular pipe piece.

[0011] The further technical scheme of the utility model discloses: first drive including first capstan and first rope, one end of first rope is connected with first capstan, and the other end of first rope is placed above movable piece and is connected with segmental lining fixing mechanism, second drive including second capstan and second rope, one end of second rope is connected with second capstan, and the other end of second rope is connected with the outside of segmental lining fixing mechanism.

[0012] Through the connection of first rope and segmental lining fixing mechanism and the connection of second rope and segmental lining fixing mechanism, the control of segmental lining fixing mechanism is realized, so that segmental lining is pulled up from the ground to vertical state, and then rotates to the opposite setting of opening to both sides.

[0013] The further technical scheme of the utility model discloses: the one end of support arm away from segmental lining fixing mechanism is slidably equipped with mounting seat, and third drive is placed on mounting seat, and the output end of third drive is connected with support arm. Third drive is connected with support arm and is used for the mutual approach between two groups of splicing mechanisms, so that support arm slides on mounting seat and approaches, and the splicing of segmental lining is completed.

[0014] The further technical scheme of the utility model discloses: the segmental lining on single group segmental lining fixing mechanism is semicircular. Segmental lining is first assembled into semicircular, and then is installed through the device of the utility model, and installation is convenient and fast.

[0015] The further technical scheme of the utility model discloses: the rotating mechanism includes pulley cylinder and connecting piece, and the pulley cylinder is two groups of respectively slidingly arranged on the upper and lower surfaces of mobile station, and the two sides of two groups of pulley cylinder are connected through connecting piece.

[0016] When pulley cylinder slides on mobile station, the position between annular segmental lining can be adjusted, the upper and lower surfaces are all equipped with pulley cylinder, so as to guarantee the stability in sliding process, and when pulley cylinder is connected through connecting piece, the upper and lower pulley cylinders can be driven to move synchronously.

[0017] The further technical scheme of the utility model discloses: the mobile station is equipped with side jack, and the output end of side jack is connected with connecting piece.

[0018] The action of side jack makes pulley cylinder connected with connecting piece slide on mobile station, and the position adjustment of segmental lining in segmental lining laying direction is completed, in addition, when adjusting longer distance, the adjustment can be completed by moving mobile station.

[0019] The further technical scheme of the utility model discloses: the rotating mechanism further includes control box, the control box is equipped with driving wheel, driven wheel and belt for connecting driving wheel and driven wheel, the driving wheel is equipped with rotating handle that passes out control box, and the driven wheel is connected with splicing mechanism.

[0020] By rotating the handle, the driving wheel is rotated, the belt drives the driven wheel, and the driven wheel drives the splicing mechanism to rotate, so that the segment on the segment fixing part can be rotated to complete the staggered joint installation.

[0021] A further technical scheme of the utility model is: the moving table includes a platform extending along the segment laying direction, a limiting protrusion is arranged at one end of the platform connected with the rotating mechanism, and a counterweight is arranged at the other end of the platform.

[0022] The limiting protrusion can prevent the rotating mechanism from being separated from the moving table during sliding, and the counterweight effectively ensures the stress stability of the whole device and prevents collapse.

[0023] The utility model also provides a subway tunnel segment transportation and splicing method, the method is based on the device, and the method comprises the following steps:

[0024] S1: the segments are spliced into a semicircle, the opening of the semicircular segment faces upwards, and the segments are fixed through the segment fixing part;

[0025] S2: the moving table moves or the rotating mechanism moves along the moving table to a splicing position, the segment fixing mechanism is rotated along two mutually perpendicular planes by the splicing mechanism, the openings of the segments are oppositely arranged, the splicing mechanisms are close to each other, the splicing of the segments is completed, and a ring-shaped segment is formed;

[0026] S3: the rotating mechanism drives the splicing mechanism to rotate, and the ring-shaped segment rotates synchronously to realize staggered joint installation.

[0027] The utility model has the advantages that: in the utility model, the segments are fixed through the segment fixing mechanism, then the segments are moved to the position to be laid through the moving table, the segment fixing mechanism is rotated on two mutually perpendicular planes by the splicing mechanism, so that the segments placed on the ground are first rotated upwards to be in a vertical and suspended state, then the segments are rotated to two sides, the openings of the segments are oppositely arranged, the segments are spliced by the splicing mechanisms close to each other, a ring-shaped segment is formed, when staggered joint installation is needed after splicing, the ring-shaped segment on the segment fixing mechanism is rotated by the rotating mechanism driving the splicing mechanism to rotate, so that the segments are installed in a staggered manner on the last installed segment; the device in the utility model can simultaneously satisfy the functions of segment transportation, splicing and staggering; the structure is simple, and the cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a perspective view of a subway tunnel segment transportation and splicing device provided by the utility model;

[0029] Figure 2is a structure schematic view of the pipe piece fixing mechanism provided by the utility model;

[0030] Figure 3 is an end structure schematic view of the pipe piece fixing mechanism provided by the utility model;

[0031] Figure 4 is a structure schematic view of the splicing mechanism provided by the utility model;

[0032] Figure 5 is a structure schematic view of the pipe piece fixing mechanism provided by the utility model; Figure 4 is a top view of the pipe piece fixing mechanism;

[0033] Figure 6 is a structure schematic view of the movable piece provided by the utility model;

[0034] Figure 7 is a structure schematic view of the rotating mechanism provided by the utility model;

[0035] Figure 8 is a structure schematic view inside the control box provided by the utility model;

[0036] Figure 9 is a structure schematic view of the moving station provided by the utility model.

[0037] Reference signs:

[0038] 1. pipe piece fixing mechanism, 12. side rope connecting end, 13. upper rope connecting end, 14. fixator control part, 15. pipe piece fixator,

[0039] 2. splicing mechanism, 21. first drive, 22. second drive, 23. third drive, 24. support arm, 25. movable piece, 251. connecting rod, 252. bidirectional reverser, 211. first winch, 212. first rope, 221. second winch, 222. second rope, 26. mounting seat, 201. upper position limiter, 202. side position limiter, 27. shaft body, 213, clamping block;

[0040] 3. rotating mechanism, 31. pulley cylinder, 32. connecting piece, 33. control box, 34. driving wheel, 35. driven wheel, 36. belt, 37. rotating handle,

[0041] 4. moving station, 41. platform, 42. side jack, 43. sliding support, 44. counterweight, 45. position limiting protrusion, 421. control rod, 46, pulley. DETAILED DESCRIPTION

[0042] The embodiments of the present application will be described in detail below with specific examples. Those skilled in the art can easily understand other advantages and functions of the present application from the disclosure of the specification. The present application can also be implemented or applied in other different specific embodiments, and various modifications or changes can be made to the details in the specification without departing from the spirit of the present application.

[0043] It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to the specification are only used to understand and read the disclosed content by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the functions and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technology. At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" in the specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present application.

[0044] Embodiment one:

[0045] Figures 1-9 A subway tunnel segment transportation and splicing device is shown, which is connected in sequence by a moving table 4, a rotating mechanism 3, a splicing mechanism 2 and a segment fixing mechanism 1. The rotating mechanism 3 can move along the segment laying direction. The rotating mechanism 3 is used to drive the splicing mechanism 2 to rotate. The segment fixing mechanism 1 is used to fix the segment. The splicing mechanism 2 is movably connected with the segment fixing mechanism 1. The splicing mechanism 2 is used to rotate the segment fixing mechanism 1 on two mutually perpendicular planes. The splicing mechanisms 2 are close to each other to splice the segments.

[0046] In the present application, the segments are fixed by the segment fixing mechanism, and then the segments can be moved by the moving table to the position to be laid. Then the segment fixing mechanism driven by the splicing mechanism can rotate on two mutually perpendicular planes, so as to rotate the segments placed on the ground upwards to make the segments in a vertical suspended state, and then rotate to the sides to make the openings of the segments oppositely arranged. Finally, the segments are spliced by the splicing mechanisms close to each other to form a ring-shaped segment. After splicing, when staggered connection is needed, the splicing mechanism is rotated by the rotating mechanism to make the ring-shaped segment on the segment fixing mechanism rotate to form staggered installation on the previously installed segment. The device in the present application can simultaneously satisfy the functions of segment transportation, splicing and staggering. The structure is simple and the cost is low.

[0047] The utility model discloses a tube slice fixed establishment, splicing mechanism, rotating mechanism, mobile station, the tube slice fixed establishment, splicing mechanism, rotating mechanism, mobile station are in proper order and are docked to form subway tunnel tube slice transportation splicing test device, and the tube slice fixed establishment is equipped with the tube slice fixer 15 both up and down, and the centre is connected through the movable element 25 with splicing mechanism 2, the movable element 25 includes connecting rod and the bidirectional commutator connected with connecting rod, the front end of splicing mechanism is equipped with the limiter, is equipped with the rope that penetrates inside, and the middle rear part is equipped with the winch of rope corresponding, and the tail part is equipped with the jack and axle body that can control splicing mechanism, the four gyro wheel cylinders of rotating mechanism are symmetrically clamping mobile station, and the rotating mechanism placed above mobile station includes the box, is equipped with rotating mechanism in the box, and there is rotating handle outside the box, the rear half of mobile station is equipped with the sliding leg with gyro wheel, can realize reciprocating motion, and the rear part is equipped with counterweight and keeps balance, and the side jack of long arm is equipped with the side of both sides, and the control rod of side jack is in the tail part.

[0048] The utility model discloses a subway tunnel tube slice transportation splicing test device's splicing method, in initial state, release the winch on splicing mechanism, and the tube slice fixed establishment is in the horizontal state under the gravity, and the tube slice that is initially assembled as semicircle is connected on the tube slice fixed establishment, and the position of connected tube slice is controlled through sliding platform and rotating mechanism, and after reaching target position, the upper winch on splicing mechanism is rotated first, and the tube slice fixed establishment is gradually pulled up to vertical state, and then the side winch of splicing mechanism both sides is rotated, and the upper winch is controlled to loosen the upper rope properly, realizes the rotation of tube slice fixed establishment to both sides, and the jack on splicing mechanism is controlled to push to the middle, to realize the connection of two semicircular tube slices, and the whole rotation of annular tube slice on tube slice fixed establishment is realized through the rotating handle after rotating mechanism, to realize the staggered joint of tube slice, and finally the connection of tube slice fixed establishment to tube slice is released, and the tube slice transportation and assembly process are completed.

[0049] In the embodiment, the mobile station 4 is movable.

[0050] In the embodiment, the splicing mechanism 2 is two groups, and the tube slice fixed establishment 1 is two groups and corresponds to the splicing mechanism 2 one by one. The two groups of splicing mechanisms and the two groups of tube slice fixed establishments are matched one by one, which is more easy to operate for the splicing of the tube slices.

[0051] In the embodiment, the splicing mechanism 2 comprises a first drive 21, a second drive 22, a third drive 23, a support arm 24 and a movable piece 25, one end of the support arm 24 is movably connected with the pipe piece fixing mechanism 1 through the movable piece 25, the pipe piece fixing mechanism 1 is connected with the output ends of the first drive 21 and the second drive 22 on two adjacent sides respectively, the first drive 21 is used for rotating the pipe piece fixing mechanism 1 from horizontal to vertical, the second drive 22 is used for rotating the pipe piece fixing mechanism 1 to the outside of the support arm 24, and the third drive 23 is used for driving the support arms 24 to move close to or away from each other.

[0052] After the pipe piece fixing mechanism fixes the pipe pieces, the first drive acts to lift the pipe pieces from the ground to a vertical state, at this time, the pipe piece fixing mechanism is rotated from horizontal to vertical; the second drive acts to further act on the pipe pieces in the vertical state, so that the pipe pieces on the two groups of pipe piece fixing mechanisms are in an open opposite state, at this time, the pipe piece fixing mechanism is rotated from the vertical state to the outside of the support arm; then, through the action of the third drive, the pipe piece fixing mechanisms move close to each other, and the pipe pieces also relatively close to each other, the splicing of the pipe pieces is completed, and a ring-shaped pipe piece is formed; for the pipe pieces that need to be installed in a staggered manner, the splicing mechanism is driven to rotate by the rotating mechanism, so that the ring-shaped pipe pieces on the pipe piece fixing mechanisms on the splicing mechanism rotate to realize the staggered connection with the previous ring-shaped pipe piece.

[0053] In the embodiment, the movable piece 25 comprises a connecting rod 251 and a bidirectional reverser 252, one end of the connecting rod 252 is welded with the pipe piece fixing mechanism 1, and the other end of the connecting rod 251 is connected with the support arm 24 through the bidirectional reverser 252. The bidirectional reverser 252 is a cross structure.

[0054] In the embodiment, one end of the support arm 24 close to the pipe piece fixing mechanism 1 is provided with an upper limit stopper 201, a side limit stopper 202, a side opening and a bottom opening, the side opening and the bottom opening are communicated with the movable piece 25, so that the first drive 21 and the second drive 22 can avoid interference during the rotation of the movable piece 25, the upper limit stopper 201 is used for limiting the upper side of the movable piece 25, and the side limit stopper 202 is used for limiting one side of the movable piece 25. During the action of the first drive 21 for lifting the pipe pieces from the ground to a vertical state, the upper limit stopper 201 plays a limiting role, during the action of the second drive 22 for rotating the pipe pieces in the vertical state to an open opposite state, the support arm 24 limits the pipe pieces, and when the second drive 22 returns to the original position, the side limit stopper 202 is used for limiting; the accurate splicing of the pipe pieces is completed.

[0055] In the embodiment, the side limit stopper 202 is arranged on the side close to the two groups of support arms 24.

[0056] In the embodiment, the first drive 21 comprises a first winch 211 and a first rope 212, one end of the first rope 212 is connected with the first winch 211, and the other end of the first rope 212 is connected with the segment fixing mechanism 1 above the movable element 25; the second drive 22 comprises a second winch 221 and a second rope 222, one end of the second rope 222 is connected with the second winch 221, and the other end of the second rope 222 is connected with the segment fixing mechanism 1 outside.

[0057] Through the connection of the first rope and the segment fixing mechanism and the connection of the second rope and the segment fixing mechanism, the control of the segment fixing mechanism is realized, so that the segment is pulled up from the ground to the vertical state, and then is rotated to the opposite opening.

[0058] In the embodiment, the top and the outside of the support arm 24 are provided with hidden grooves for accommodating the first rope 212 and the second rope 222.

[0059] In the embodiment, the first winch 211 is arranged above the support arm 24, and the second winch 221 is arranged outside the support arm 24, which is convenient for operation.

[0060] In the embodiment, the outside of the connection between the segment fixing mechanism 1 and the movable element 25 is provided with a side rope connecting end 12, one end of the connection between the segment fixing mechanism 1 and the movable element 25 is provided with an upper rope connecting end 13, the upper rope connecting end 13 is connected with the first rope 212, and the side rope connecting end 12 is connected with the second rope 222.

[0061] In the embodiment, the end of the support arm 24 away from the segment fixing mechanism 1 is slidably provided with a mounting seat 26, the third drive 23 is arranged on the mounting seat 26, and the output end of the third drive 23 is connected with the support arm 24. The third drive is connected with the support arm for mutually approaching between the two groups of splicing mechanisms, so that the support arm is slid on the mounting seat to approach, and the splicing of the segments is completed.

[0062] In the embodiment, the side of the mounting seat 26 away from the support arm 24 is provided with a shaft body 27 connected with the rotating mechanism 3.

[0063] In the embodiment, the mounting seat 26 is provided with the third drive 23, the third drive 23 is a jack, the jack is welded with the support arm 24, and the support arm 24 is limited in the mounting seat 26 through the clamping block 213.

[0064] In the embodiment, the segments on the single group of segment fixing mechanisms 1 are semicircular. The segments are first assembled into a semicircle, and then are installed through the device of the utility model, which is convenient and fast.

[0065] In the embodiment, the segment fixing mechanism 1 is H-shaped. The middle part of the segment fixing mechanism 1 is connected with the support arm 24 through the movable part 25, and the side part rope connecting end 12 is arranged on the middle part of the outer side of the segment fixing mechanism 1. The upper part rope connecting end 13 is arranged in the upper part groove of the segment fixing mechanism 1, with the segment fixing mechanism 1 in the vertical state as the reference.

[0066] In the embodiment, the segment fixing mechanism 1 is H-shaped. The middle part of the segment fixing mechanism 1 is connected with the support arm 24 through the movable part 25, and the side part rope connecting end 12 is arranged on the middle part of the outer side of the segment fixing mechanism 1. The upper part rope connecting end 13 is arranged in the upper part groove of the segment fixing mechanism 1, with the segment fixing mechanism 1 in the vertical state as the reference.

[0067] In the embodiment, the segment fixing mechanism 1 is H-shaped. The middle part of the segment fixing mechanism 1 is connected with the support arm 24 through the movable part 25, and the side part rope connecting end 12 is arranged on the middle part of the outer side of the segment fixing mechanism 1. The upper part rope connecting end 13 is arranged in the upper part groove of the segment fixing mechanism 1, with the segment fixing mechanism 1 in the vertical state as the reference.

[0068] In the embodiment, the segment fixing mechanism 1 is H-shaped. The middle part of the segment fixing mechanism 1 is connected with the support arm 24 through the movable part 25, and the side part rope connecting end 12 is arranged on the middle part of the outer side of the segment fixing mechanism 1. The upper part rope connecting end 13 is arranged in the upper part groove of the segment fixing mechanism 1, with the segment fixing mechanism 1 in the vertical state as the reference.

[0069] In the embodiment, the segment fixing mechanism 1 is H-shaped. The middle part of the segment fixing mechanism 1 is connected with the support arm 24 through the movable part 25, and the side part rope connecting end 12 is arranged on the middle part of the outer side of the segment fixing mechanism 1. The upper part rope connecting end 13 is arranged in the upper part groove of the segment fixing mechanism 1, with the segment fixing mechanism 1 in the vertical state as the reference.

[0070] The pulley cylinders are slid on the moving table, so as to adjust the positions between the annular segments; the upper and lower surfaces are both provided with pulley cylinders, so as to ensure the stability during the sliding process; and the pulley cylinders are connected through the connecting parts, so as to drive the upper and lower pulley cylinders to move synchronously.

[0071] In the embodiment, the moving table 4 is provided with the side jack 42, and the output end of the side jack 42 is connected with the connecting part 32.

[0072] The side jack is actuated, so as to drive the pulley cylinders connected with the connecting part to slide on the moving table, and the positions of the segments in the segment laying direction are adjusted; in addition, the moving table can be moved to adjust the positions for a long distance.

[0073] In the embodiment, the rotating mechanism 3 further comprises a control box 33, the control box 33 is internally provided with a driving wheel 34, a driven wheel 35 and a belt 36 for connecting the driving wheel 34 and the driven wheel 35, the driving wheel 34 is provided with a rotating handle 37 penetrating the control box 33, and the driven wheel 35 is connected with the splicing mechanism 2.

[0074] By rotating the handle, the driving wheel is rotated, the belt is driven to the driven wheel, the driven wheel drives the splicing mechanism to rotate, the pipe segment on the pipe segment fixing member can be rotated, and the staggered joint installation is completed.

[0075] In the embodiment, the shaft body 27 is connected with the driven wheel 35.

[0076] In the embodiment, the splicing device is used in the subway tunnel pipe segment transportation splicing test.

[0077] In the embodiment, the moving table 4 comprises a platform 41 extending along the pipe segment laying direction, one end of the platform 41 connected with the rotating mechanism 3 is provided with a limiting protrusion 45, and the other end of the platform 41 is provided with a counterweight 44.

[0078] The limiting protrusion can avoid the rotating mechanism from being separated from the moving table during sliding, and the counterweight effectively ensures the stress stability of the whole device and avoids collapse.

[0079] In the embodiment, the side jack 42 is controlled by a control rod 421 at the end of the platform 41, the side jack 42 is welded with the platform 41 and the output end 42 is connected with the connecting piece 32 of the rotating mechanism 3.

[0080] In the embodiment, the end of the platform 41 is provided with a sliding support 43, and a pulley 46 is installed below the sliding support 43.

[0081] Embodiment two:

[0082] A subway tunnel pipe segment transportation splicing method, the method is based on the device of embodiment one, and the method comprises the following steps:

[0083] S1: the pipe segments are spliced into a semicircle, the opening of the semicircular pipe segments faces upward, and the pipe segments are fixed by the pipe segment fixing member 1;

[0084] S2: the moving table 4 moves or the rotating mechanism 3 moves along the moving table 4 to the splicing position, the pipe segment fixing member 1 is rotated along two mutually perpendicular planes by the splicing mechanism 2, the openings of the pipe segments are oppositely arranged, the splicing mechanisms 2 are close to each other, the pipe segments are spliced, and a ring-shaped pipe segment is formed;

[0085] S3: the rotating mechanism 3 drives the splicing mechanism 2 to rotate, and the ring-shaped pipe segment rotates synchronously to realize staggered joint installation.

[0086] In the embodiment, a metro tunnel segment transportation and splicing method comprises the following steps:

[0087] S1: first assemble the segments into a semicircular shape with the segment opening facing upward, in the initial state of the metro tunnel segment transportation and splicing test device, insert the segment fixer 15 on the segment fixing mechanism 1 into the corresponding groove on the segment by pushing the fixer control part 14 to complete the segment fixation;

[0088] S2: after the segment fixation, move the metro tunnel segment transportation and splicing test device to the splicing position, first rotate the first winch 211 on the splicing mechanism 2 to gradually pull up the segment fixing mechanism 1 to the vertical state, then rotate the second winch 221 on both sides of the splicing mechanism 2 to control the appropriate loosening of the first rope 212 to realize the rotation of the segment fixing mechanism 1 to both sides, control the third drive 23 on the splicing mechanism 2 to push forward to the middle to realize the connection of the two semicircular segments, rotate the rotating handle 37 behind the rotating mechanism 3 to realize the rotation of the annular segment on the segment fixing mechanism 1 to realize the staggered joint installation of the segments;

[0089] S3: after the staggered joint installation of the segments is completed, reset the rotating handle 37, push the fixer control part 14 in the reverse direction to separate the segment fixing mechanism 1 from the groove on the segment, loosen the second winch 221 on both sides of the splicing mechanism 2, push the segment fixing mechanism 1 to the correct position, loosen the first winch 211 on the splicing mechanism 2, and the segment fixing mechanism 1 returns to the horizontal position under the action of gravity, and push the metro tunnel segment transportation and splicing test device to leave the site.

[0090] In the embodiment, in the initial state, the semicircular segment opening is placed upward, the segment fixing mechanism 1 rotates downward to the horizontal position of the segment fixing body 11 under the action of gravity, the segment fixing part 15 is extended and fixed on the segment, the first flexible drive 21 pulls the segment fixing body 11, the segment fixing body 11 rotates upward to the vertical position, at this time the segment opening faces the end of the support arm 24, the second flexible drive 22 pulls the segment fixing body 11 to continue to act, the segment fixing body 11 moves to the outside of the support arm 24, at this time the segment opening faces the outside of the support arm 24, the third drive makes the support arms 24 close to each other, and the splicing of the segments is completed.

[0091] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A subway tunnel segment transport and splicing device, characterized in that: The utility model relates to a pipe splicing device, including mobile station (4) that connects in turn, rotating mechanism (3), splicing mechanism (2) and segment fixing mechanism (1), mobile station (4) extends along segment laying direction, rotating mechanism (3) can slide along mobile station (4), rotating mechanism (3) is used to drive splicing mechanism (2) rotation, segment fixing mechanism (1) is used for fixing segment, splicing mechanism (2) is movably connected with segment fixing mechanism (1), and splicing mechanism (2) is used for segment fixing mechanism (1) rotates in two mutually perpendicular planes, and splicing mechanism (2) is used for segment splicing.

2. The metro tunnel segment transportation and splicing device according to claim 1, characterized in that: The splicing mechanism (2) is two groups, and the segment fixing mechanism (1) is two groups and corresponds to the splicing mechanism (2).

3. The metro tunnel segment transportation and splicing device according to claim 2, characterized in that: The splicing mechanism (2) includes first drive (21), second drive (22), third drive (23), support arm (24) and movable part (25), one end of support arm (24) is movably connected with segment fixing mechanism (1) through movable part (25), adjacent two sides on segment fixing mechanism (1) are connected with the output end of first drive (21) and second drive (22) respectively, first drive (21) is used for rotating segment fixing mechanism (1) from horizontal to vertical, second drive (22) is used for rotating segment fixing mechanism (1) to the outside of support arm (24), and third drive (23) is used for driving support arm (24) to approach or move away from each other.

4. The metro tunnel segment transportation and splicing device according to claim 3, characterized in that: The first drive (21) includes first winch (211) and first rope (212), one end of first rope (212) is connected with first winch (211), and the other end of first rope (212) is connected with segment fixing mechanism (1) above movable part (25), second drive (22) includes second winch (221) and second rope (222), one end of second rope (222) is connected with second winch (221), and the other end of second rope (222) is connected with the outside of segment fixing mechanism (1).

5. The metro tunnel segment transportation and splicing device according to claim 3, characterized in that: The end of support arm (24) away from segment fixing mechanism (1) is slidably provided with mounting seat (26), third drive (23) is arranged on mounting seat (26), and the output end of third drive (23) is connected with support arm (24).

6. The metro tunnel segment transportation and splicing device according to claim 2, characterized in that: The segment on the single group segment fixing mechanism (1) is semicircular.

7. The metro tunnel segment transporting and splicing device according to any one of claims 1-6, characterized in that: The rotating mechanism (3) includes pulley cylinder (31) and connecting piece (32), the pulley cylinder (31) is two groups and is slidably arranged on the upper and lower surfaces of mobile station (4), and the two sides of two groups of pulley cylinder (31) are connected through connecting piece (32).

8. The metro tunnel segment transportation and splicing device according to claim 7, characterized in that: The side jack (42) is arranged on the mobile station (4), and the output end of the side jack (42) is connected with the connecting piece (32).

9. The metro tunnel segment transportation and splicing device according to claim 7, characterized in that: The rotating mechanism (3) further comprises a control box (33) provided with a driving wheel (34), a driven wheel (35) and a belt (36) for connecting the driving wheel (34) and the driven wheel (35), the driving wheel (34) is provided with a rotating handle (37) penetrating the control box (33), and the driven wheel (35) is connected with the splicing mechanism (2).

10. The metro tunnel segment transporting and splicing device according to any one of claims 1-6, characterized in that: The mobile station (4) comprises a platform (41) extending along the direction of pipe piece laying, one end of the platform (41) connected with the rotating mechanism (3) is provided with a limiting protrusion (45), and the other end of the platform (41) is provided with a counterweight (44).

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