Subway tunnel segment staggered joint installation device

Abstract

The utility model discloses a metro tunnel segment staggered joint installation device which comprises a rotating mechanism, a splicing mechanism and a segment fixing mechanism which are sequentially connected, the rotating mechanism is used for driving the splicing mechanism to rotate, the segment fixing mechanism is used for fixing segments, and the splicing mechanism is movably connected with the segment fixing mechanism. The splicing mechanisms are used for enabling the segment fixing mechanism to rotate on two planes perpendicular to each other, and the splicing mechanisms get close to each other for segment splicing; the method comprises the steps that firstly, the duct pieces are spliced into a semicircular shape, openings of the semicircular duct pieces face upwards, and the duct pieces are fixed through the duct piece fixing pieces; after the segment fixing mechanism is rotated along two mutually perpendicular planes by the splicing mechanisms, the openings of the segments are oppositely arranged, and the splicing mechanisms are close to each other to form an annular segment; the rotating mechanism drives the splicing mechanism to rotate, and the annular duct pieces rotate synchronously, so that staggered-joint installation of the duct pieces is achieved; by means of the device, the functions of segment splicing and joint staggering 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 splicing, particularly relates to a subway tunnel segment staggered joint installation 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 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 test segment 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 segment splicing and staggered joint at the same time.

[0003] For example, patent No. CN110939460B, a test segment assembly system, includes a sunken experimental pit, a counterforce wall provided in the experimental pit, a segment support platform provided on the left side of the counterforce wall and connected perpendicularly with the counterforce wall, a segment ring provided on the segment support platform, a segment support frame provided in the segment ring, a counterforce frame provided on the left side of the segment support platform, and a segment support frame moving device provided 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 perpendicularly with the bottom of the experimental pit, 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 splicing and staggered joint at the same time. INVENTION CONTENTS

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

[0006] The utility model is implemented as follows: a subway tunnel segment staggered joint installation device, including the rotation mechanism, the splicing mechanism and the segment fixing mechanism that connect in turn, the rotation 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 the segment fixing mechanism to rotate on two mutually perpendicular planes, the splicing mechanism is used for segment splicing by moving close to each other.

[0007] The utility model discloses a pipe piece fixed establishment is fixed with pipe piece, then the splicing mechanism drives pipe piece fixed establishment to rotate on two mutually perpendicular planes, thereby realizing that the pipe piece placed on the ground is first rotated upward to make the pipe piece opening face the splicing mechanism end, then rotates to the splicing mechanism outside again, makes the pipe piece opening opposite arrangement, finally through the splicing mechanism between each other close, the pipe piece is spliced, forms annular pipe piece, after splicing is completed, according to the need staggered joint, through the rotating mechanism drive splicing mechanism rotates and makes annular pipe piece on pipe piece fixed establishment rotate, forms staggered installation to the last one installed pipe piece, through the device in the utility model can satisfy pipe piece splicing and staggered function simultaneously, simple structure, and low in cost.

[0008] The further technical scheme of the utility model is: the splicing mechanism includes first drive, second drive, third drive, support arm and movable element, one end of support arm is movably connected with pipe piece fixed establishment through movable element, and the output end of first drive and second drive is connected with the adjacent two sides on pipe piece fixed establishment, and first drive is used for rotating pipe piece fixed establishment from horizontal to vertical, and second drive is used for rotating pipe piece fixed establishment to the outside of support arm, and third drive is used for driving pipe piece fixed establishment to move close to each other or away from each other.

[0009] After pipe piece fixed establishment fixes pipe piece, first drive acts, and the pipe piece with the opening upward is rotated from the ground to the opening towards support arm end, and at this moment, pipe piece fixed establishment is rotated from horizontal to vertical, second drive acts, and the pipe piece with the opening towards support arm end is further acted, and the pipe piece on pipe piece fixed establishment is rotated to the opening towards the side of support arm, and at this moment, the adjacent pipe piece is in the opening opposite state, then through the action of third drive, pipe piece fixed establishment moves close to each other, and the pipe piece also relatively approaches, and the splicing of pipe piece is completed, and annular pipe piece is formed, for the pipe piece needing staggered installation, the present application rotates splicing mechanism through rotating mechanism, and the annular pipe piece on pipe piece fixed establishment on splicing mechanism rotates, and staggered installation with the previous annular pipe piece is realized.

[0010] The further technical scheme of the utility model is: first winch and first rope are included in first drive, one end of first rope is connected with first winch, and the other end of first rope is placed above movable element and is connected with pipe piece fixed establishment, second winch and second rope are included in second drive, one end of second rope is connected with second winch, and the other end of second rope is connected with the outside of pipe piece fixed establishment.

[0011] Through the connection of first rope and pipe piece fixed establishment and the connection of second rope and pipe piece fixed establishment, the control of pipe piece fixed establishment is realized, so that the pipe piece is pulled up to the vertical state from the ground, and then rotates to the opening opposite setting on both sides.

[0012] The further technical scheme of the utility model is: first winch is placed above support arm, second winch is placed outside support arm.

[0013] The further technical scheme of the utility model is: support arm is equipped with mounting seat on the end far from pipe piece fixing mechanism, third drive is placed on mounting seat, and third drive output end is connected with support arm.

[0014] The further technical scheme of the utility model is: the connecting mechanism is two groups, and the pipe piece fixing mechanism is two groups and corresponds to the connecting mechanism.

[0015] The further technical scheme of the utility model is: the pipe piece fixing mechanism includes pipe piece fixing body, pipe piece fixing part and pipe piece control part, the pipe piece fixing part is placed in the end of pipe piece fixing body, and the pipe piece control part is used to drive the pipe piece fixing part to stretch out and retract.

[0016] The further technical scheme of the utility model is: the pipe piece control part includes sleeve, sleeve rod and limiting handle, one end of the sleeve is connected with the pipe piece fixing part, the other end of the sleeve is connected with the sleeve rod, the limiting handle is placed on the sleeve, and the pipe piece fixing body is equipped with limiting slot for fixing the limiting handle.

[0017] The further technical scheme of the utility model is: the rotating mechanism includes movable installation main body, the installation main body is equipped with driving wheel, driven wheel and belt for connecting the driving wheel and driven wheel, the driving wheel is equipped with rotating handle penetrating the installation main body, and the driven wheel is connected with the connecting mechanism.

[0018] The utility model also provides a subway tunnel pipe piece staggered joint installation method, the method is based on the installation device, and includes the following steps:

[0019] S1: first, assemble the pipe piece into semicircular shape, and make the semicircular pipe piece open upward, then fix the pipe piece through the pipe piece fixing part;

[0020] S2: the installation device is moved to a splicing position, after the splicing mechanism rotates the segment fixing mechanism along two mutually perpendicular planes, 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; the ring-shaped segment is synchronously rotated by rotating the splicing mechanism, so that the segments are staggered and installed.

[0021] In the initial state, the winch on the splicing mechanism is released, the segment fixing mechanism is placed in a horizontal state under the action of gravity, the segments preliminarily spliced into a semicircle are connected to the segment fixing mechanism, the position of the connected segments is controlled by the rotating mechanism, after the segments reach the target position, the first winch on the splicing mechanism is rotated to gradually pull up the segment fixing mechanism to a vertical state, the second winch on the two sides of the splicing mechanism is rotated to control the first winch to appropriately loosen the first rope, the segment fixing mechanism is rotated to the two sides, the third drive on the splicing mechanism is controlled to push to the middle, so that the two semicircular segments are connected, the rotating handle after the rotating mechanism is rotated to realize the overall rotation of the ring-shaped segment on the segment fixing mechanism, so that the segments are staggered and installed, and finally the connection of the segment fixing mechanism to the segments is released to complete the segment splicing and staggered installation.

[0022] The utility model discloses have the advantage that: the utility model discloses through segment fixing mechanism, fix segment, then splicing mechanism drive segment fixing mechanism can rotate on two mutually perpendicular plane, to realize the segment placed on the ground first upward rotation makes segment opening towards splicing mechanism end, then again rotate to splicing mechanism outside, make segment opening opposite arrangement, finally through splicing mechanism between each other close, splicing segment, form ring -shaped segment, after splicing is completed, according to need staggered connection, through rotating mechanism drive splicing mechanism rotation to make segment fixing mechanism on the ring -shaped segment rotation, form staggered installation to the last installation good segment, through the device in the utility model can satisfy segment splicing and staggered function simultaneously, simple structure, and low in cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structure schematic diagram of subway tunnel segment staggered installation device provided by the utility model;

[0024] Figure 2 It is a structure schematic diagram of segment fixing mechanism provided by the utility model;

[0025] Figure 3 It is a structure schematic diagram of segment fixing mechanism end provided by the utility model;

[0026] Figure 4 It is a structure schematic diagram of splicing mechanism provided by the utility model;

[0027] Figure 5The utility model provides a Figure 4 The plane view of the utility model is shown in the figure.

[0028] Figure 6 The utility model provides a movable piece's structure schematic view.

[0029] Figure 7 The utility model provides a rotating mechanism's structure schematic view.

[0030] Figure 8 The utility model provides a rotating mechanism's internal structure schematic view.

[0031] Reference signs:

[0032] 1. Tube piece fixing mechanism, 11. Tube piece fixing body, 12. Side rope connection end, 13. Upper rope connection end, 14. Tube piece control piece, 141. Sleeve, 142. Sleeve rod, 143. Limit handle, 15. Tube piece fixing piece,

[0033] 2. Splicing mechanism, 21. First drive, 22. Second drive, 23. Third drive, 24. Support arm, 25. Movable piece, 251. Connecting rod, 252. Bidirectional commutator, 211. First capstan, 212. First rope, 221. Second capstan, 222. Second rope, 26. Mounting seat, 201. Upper limit stopper, 202. Side limit stopper, 27. Shaft body, 213, Clamping block;

[0034] 3. Rotating mechanism, 31. Installation main body, 32. Handrail, 33. Rotation handle, 34. Roller cylinder, 35. Driving wheel, 36. Driven wheel, 37. Belt. DETAILED DESCRIPTION

[0035] The following through specific concrete example the embodiment of the utility model is explained, and the person skilled in the art can easily understand the other advantages and efficacy of the utility model from the content disclosed in the specification.The utility model can also be implemented or applied by another different specific embodiment, and each item of detail in the specification can be based on different viewpoints and application, and various modifications or changes are carried out without departing from the spirit of the utility model.

[0036] It should be noted that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and do not have technical substantive significance, and any modification of structure, change of proportional relationship or adjustment of size, without affecting the functions and purposes that can be achieved by the present utility model, should still fall within the scope of the technical content disclosed by the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" and the like in the present specification are only for the convenience of clear understanding of the description, and are not used to limit the scope of the present utility model, and the change or adjustment of the relative relationship, without substantially changing the technical content, is also regarded as the scope of the present utility model.

[0037] Embodiment one:

[0038] Figures 1-8 A subway tunnel segmental joint installation device is shown, comprising a rotating mechanism 3, a splicing mechanism 2 and a segmental joint fixing mechanism 1 connected in sequence, the rotating mechanism 3 is used to drive the splicing mechanism 2 to rotate, the segmental joint fixing mechanism 1 is used to fix the segmental joint, the splicing mechanism 2 is movably connected with the segmental joint fixing mechanism 1, the splicing mechanism 2 is used to rotate the segmental joint fixing mechanism 1 on two mutually perpendicular planes, and the splicing mechanism 2 is used to splice the segmental joints by moving close to each other.

[0039] In the present utility model, the segmental joint is fixed by the segmental joint fixing mechanism, then the segmental joint fixing mechanism is driven by the splicing mechanism to rotate on two mutually perpendicular planes, so as to realize the rotation of the segmental joint placed on the ground upwards to make the opening of the segmental joint face the end of the splicing mechanism, and then rotate to the outside of the splicing mechanism to make the openings of the segmental joints oppositely arranged, finally, the segmental joints are spliced by moving close to each other between the splicing mechanisms, forming a ring-shaped segmental joint, after splicing, when the staggered joint connection is needed, the splicing mechanism is rotated by the rotating mechanism to make the ring-shaped segmental joint on the segmental joint fixing mechanism rotate, forming the staggered joint installation for the last installed segmental joint; the device in the present utility model can simultaneously satisfy the functions of segmental joint splicing and staggered joint, and has simple structure and low cost.

[0040] The pipe piece fixing mechanism, the splicing mechanism and the rotating mechanism are sequentially connected to form a subway tunnel pipe piece staggered joint installation device, the pipe piece fixing mechanism is provided with pipe piece fixers 15 on the upper and lower sides, and is connected with the splicing mechanism 2 through a movable piece 25, the movable piece 25 comprises a connecting rod and a bidirectional commutator connected with the connecting rod; the front end of the splicing mechanism is provided with a limiter, the inside is provided with a through rope, the middle and rear parts are provided with a rope corresponding winch, and the tail part is provided with a jack capable of controlling the splicing mechanism; the rotating mechanism is provided with two roller cylinders below, realizes the reciprocating movement of the device, is provided with a rotating mechanism inside, is provided with a rotating handle outside, and is provided with a handrail on the top; the pipe piece fixing mechanism is connected with the pipe piece, the winches on the upper part and the two sides of the splicing mechanism and the jack control the pipe piece fixing mechanism to pull the pipe piece to be perpendicular and spliced, and the staggered joint is further completed through the rotation of the control shaft body.

[0041] In the embodiment, the rotating mechanism 3 is movable.

[0042] 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 adjacent two sides of the pipe piece fixing mechanism 1 are connected with the output ends of the first drive 21 and the second drive 22 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 pipe piece fixing mechanism 1 to move close to or away from each other.

[0043] After the pipe piece fixing mechanism fixes the pipe piece, the first drive acts, the pipe piece with the opening upward is rotated from the ground to the end of the support arm with the opening, at this time, the pipe piece fixing mechanism is rotated from horizontal to vertical; the second drive acts, the pipe piece with the opening toward the end of the support arm is further actuated, so that the pipe piece on the pipe piece fixing mechanism is rotated to the side of the support arm with the opening, at this time, the adjacent pipe pieces are in the opening opposite state, then the third drive acts, so that the pipe piece fixing mechanism moves close to each other, and the pipe pieces also relatively close to each other, the splicing of the pipe pieces is completed, and the annular pipe piece is formed; for the pipe piece needing staggered joint installation, the rotating mechanism drives the splicing mechanism to rotate, so that the annular pipe piece on the pipe piece fixing mechanism on the splicing mechanism is rotated, and the staggered joint with the previous annular pipe piece is realized.

[0044] In the embodiment, the movable piece 25 comprises a connecting rod 251 and a bidirectional commutator 252, one end of the connecting rod 251 is welded with the pipe piece fixing mechanism 1, the other end of the connecting rod 251 is connected with the support arm 24 through the bidirectional commutator 252. The bidirectional commutator 252 is a cross structure.

[0045] In the embodiment, the support arm 24 is provided with an upper position limiter 201, a side position limiter 202, a side opening and a bottom opening near one end of the pipe piece fixing mechanism 1. The side opening and the bottom opening are communicated with the movable piece 25 to avoid interference during the rotation of the movable piece 25 driven by the first drive 21 and the second drive 22. The upper position limiter 201 is used for limiting the upper side of the movable piece 25, and the side position limiter 202 is used for limiting one side of the movable piece 25. During the process that the first drive 21 drives the pipe piece to be lifted from the ground to the vertical state, the upper position limiter 201 plays a limiting role. During the process that the second drive 22 drives the pipe piece in the vertical state to rotate to the opening opposite state, the support arm 24 limits the pipe piece, and when the second drive 22 is returned to the original position, the side position limiter 202 is used for limiting. The accurate splicing of the pipe piece is completed.

[0046] In the embodiment, the side position limiter 202 is arranged on the side close to the two groups of support arms 24.

[0047] In the embodiment, the first drive 21 includes 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 arranged above the movable piece 25 and connected with the pipe piece fixing mechanism 1. The second drive 22 includes 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 outer side of the pipe piece fixing mechanism 1.

[0048] Through the connection of the first rope and the pipe piece fixing mechanism and the connection of the second rope and the pipe piece fixing mechanism, the control of the pipe piece fixing mechanism is realized, so that the pipe piece is lifted from the ground to the vertical state, and then rotates to the opening opposite state.

[0049] In the embodiment, the top and the outer side of the support arm 24 are provided with a hidden groove for accommodating the first rope 212 and the second rope 222.

[0050] 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.

[0051] In the embodiment, the end of the support arm 24 away from the pipe piece fixing mechanism 1 is 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 approaching each other between adjacent splicing mechanisms, so that the support arm slides on the mounting seat to approach, and the splicing of the pipe piece is completed.

[0052] In the embodiment, the mounting base 26 is provided with a shaft body 27 connected with the rotating mechanism 3 on the side away from the support arm 24.

[0053] In the embodiment, the mounting base 26 is provided with a third drive 23, which is a jack, and the jack is welded with the support arm 24, and the support arm 24 is limited in the mounting base 26 by a clamping block 213.

[0054] In the embodiment, the splicing mechanism 2 is two groups, and the pipe piece fixing mechanism 1 is also two groups and corresponds to the splicing mechanism 2 one by one. The two groups of splicing mechanisms and the two groups of pipe piece fixing mechanisms are matched one by one, which is more easy to operate for the splicing of the pipe pieces.

[0055] In the embodiment, the pipe pieces on a single group of the pipe piece fixing mechanism 1 are semicircular. The pipe pieces are first assembled into semicircles, and then are installed by the device of the utility model, which is convenient and fast.

[0056] In the embodiment, the pipe piece fixing mechanism 1 includes a pipe piece fixing body 11, a pipe piece fixing part 15 and a pipe piece control part 14, the pipe piece fixing part 15 is arranged at the end of the pipe piece fixing body 11, and the pipe piece control part 14 is used to drive the pipe piece fixing part 15 to extend and retract.

[0057] In the embodiment, the pipe piece fixing mechanism 1 is provided with the pipe piece fixing part 15 which can extend and retract at the end. When the pipe piece needs to be fixed, the pipe piece fixing part 15 extends, and when the pipe piece needs to be separated from the pipe piece fixing part 15, the pipe piece fixing part 15 retracts, so as to ensure the paving of the pipe piece.

[0058] In the embodiment, the pipe piece fixing mechanism 1 is H-shaped. The pipe piece fixing mechanism 1 is provided with the pipe piece fixing part 15 at the end, which is more firm and stable for the fixing of the pipe piece. The middle part of the pipe piece fixing mechanism 1 is connected with the support arm 24 through the movable part 25, the middle part of the outer side of the pipe piece fixing mechanism 1 is provided with the side rope connecting end 12, and the pipe piece fixing mechanism 1 is in the vertical state as a reference, and the upper part of the pipe piece fixing mechanism 1 is provided with the upper rope connecting end 13 in the recess.

[0059] In the embodiment, the pipe piece control part 14 includes a sleeve 141, a sleeve rod 142 and a limiting handle 143, one end of the sleeve 141 is connected with the pipe piece fixing part 15, the other end of the sleeve 141 is slidably connected with the sleeve rod 142, the limiting handle 143 is arranged on the sleeve 141, and the pipe piece fixing body 11 is provided with a limiting groove for fixing the limiting handle 143.

[0060] In the embodiment, when the segment fixing mechanism 1 needs to fix the segment, the limiting handle 143 is turned out of the limiting slot, at this time, the sleeve 141 can slide along the sleeve rod 142, so as to drive the segment fixing member 15 to extend out of the segment fixing mechanism 1 and be fixed on the positioning part of the segment, then the sleeve 141 is turned to make the limiting handle 143 be clamped into the limiting slot, and the fixing of the segment is completed. The segment fixing member 15 is controlled by the segment control member 14, the extension and retraction of the segment fixing member 15 is realized, and the fixing of the segment is achieved.

[0061] In the embodiment, the outer side of the connecting part of the segment fixing mechanism 1 and the movable member 25 is provided with a side rope connecting end 12, one end of the connecting part of the segment fixing mechanism 1 and the movable member 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.

[0062] In the embodiment, the rotating mechanism 3 comprises a movable installation main body 31, the installation main body 31 is internally provided with a driving wheel 35, a driven wheel 36 and a belt 37 for connecting the driving wheel 35 and the driven wheel 36, the driving wheel 35 is provided with a rotating handle 33 penetrating out of the installation main body 31, and the driven wheel 36 is connected with the splicing mechanism 2. 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 segment on the segment fixing member can be rotated, and the staggered joint installation is completed.

[0063] In the embodiment, the shaft body 27 is connected with the driven wheel 36.

[0064] In the embodiment, the installation device is used in the subway tunnel segment transportation and splicing test.

[0065] In the embodiment, the installation main body 31 is provided with a handrail 32 above and a roller cylinder 34 below. The handrail 32 and the rotating handle 33 are arranged on one side of the installation main body 31 and the principle splicing mechanism 2.

[0066] Embodiment two:

[0067] A subway tunnel segment staggered joint installation method, which is based on the installation device in embodiment one and comprises the following steps:

[0068] S1: first, the segments are spliced into a semicircular shape, the opening of the semicircular segment faces upward, and the segments are fixed by the segment fixing member 1;

[0069] S2: the installation device is moved to a splicing position, the splicing mechanism 2 rotates the pipe piece fixing mechanism 1 along two mutually perpendicular planes, the openings of the pipe pieces are oppositely arranged, the splicing mechanism 2 is close to each other, the splicing of the pipe pieces is completed, and a ring-shaped pipe piece is formed; the ring-shaped pipe piece is synchronously rotated by rotating the rotating mechanism 3 to realize the staggered joint of the pipe pieces.

[0070] In the embodiment, S1: the pipe pieces are first spliced into a semicircular shape, the openings of the semicircular pipe pieces face upwards, in an initial state, the pipe piece fixing member 15 on the pipe piece fixing mechanism 1 is inserted into the corresponding groove in the pipe piece by pushing the pipe piece control member 14 to complete the fixation of the pipe piece;

[0071] S2: after the pipe pieces are fixed, the installation device is moved to the splicing position, the first winch 211 is rotated to gradually pull up the pipe piece fixing mechanism 1 to a vertical state, the second winches 221 on the two sides are rotated to appropriately loosen the first rope 212 of the first winch 211 to realize the rotation of the pipe piece fixing mechanism to the outside of the support arm 24, the third drive 23 is controlled to push to the middle to make the support arms 24 close to each other, the connection of the two semicircular pipe pieces is realized, the rotating handle 33 of the rotating mechanism 3 is rotated to realize the rotation of the splicing mechanism 2, and the ring-shaped pipe piece is synchronously rotated to realize the staggered joint of the pipe pieces;

[0072] S3: after the pipe pieces are installed, the rotating handle 33 is reset, the pipe piece control member 14 is reversely pushed to separate the pipe piece fixing mechanism 1 from the groove on the pipe piece, the second winches 221 on the two sides of the splicing mechanism 2 are loosened, the pipe piece fixing mechanism 1 is pushed to be correct, the first winch 211 on the splicing mechanism 2 is loosened, the pipe piece fixing mechanism 1 returns to the horizontal position under the action of gravity, and the installation device is pushed away from the scene.

[0073] In the initial state, the winch on the splicing mechanism is released, the pipe piece fixing mechanism is laid horizontally under the action of gravity, the pipe pieces preliminarily spliced into a semicircle are connected to the pipe piece fixing mechanism, the position of the connected pipe pieces is controlled by the rotating mechanism, the first winch on the splicing mechanism is rotated to gradually pull up the pipe piece fixing mechanism to a vertical state, the second winches on the two sides of the splicing mechanism are rotated to appropriately loosen the first rope of the first winch to realize the rotation of the pipe piece fixing mechanism to the two sides, the third drive on the splicing mechanism is controlled to push to the middle to realize the connection of the two semicircular pipe pieces, the rotating handle of the rotating mechanism is rotated to realize the overall rotation of the ring-shaped pipe piece on the pipe piece fixing mechanism to realize the staggered joint of the pipe pieces, and finally the connection of the pipe piece fixing mechanism to the pipe pieces is released to complete the splicing and staggered joint of the pipe pieces.

[0074] The above merely describes preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. A subway tunnel segment misalignment installation device, characterized in that: The utility model provides a pipe splicing device, including the rotation mechanism (3) that connects in proper order, splicing mechanism (2) and segment fixing mechanism (1), the rotation mechanism (3) is used to drive splicing mechanism (2) rotation, segment fixing mechanism (1) is used for fixing segment, splicing mechanism (2) with segment fixing mechanism (1) swing joint, splicing mechanism (2) is used for segment fixing mechanism (1) rotates on two mutually perpendicular planes, splicing mechanism (2) is close to each other for segment splicing.

2. The device for installing the subway tunnel segment with staggered joints according to claim 1, characterized in that: The splicing mechanism (2) includes a first drive (21), a second drive (22), a third drive (23), a support arm (24), and a movable element (25). One end of the support arm (24) is swingly connected to the segment fixing mechanism (1) through the movable element (25). The segment fixing mechanism (1) is connected to the output ends of the first drive (21) and the second drive (22) on the adjacent two sides, respectively. The first drive (21) is used to rotate the segment fixing mechanism (1) from horizontal to vertical. The second drive (22) is used to rotate the segment fixing mechanism (1) to the outside of the support arm (24). The third drive (23) is used to drive the segment fixing mechanism (1) to move closer to or away from each other.

3. The device for installing the subway tunnel segment according to claim 2, characterized in that: The first drive (21) includes a first winch (211) and a first rope (212). One end of the first rope (212) is connected to the first winch (211), and the other end of the first rope (212) is connected to the segment fixing mechanism (1) above the movable element (25). The second drive (22) includes a second winch (221) and a second rope (222). One end of the second rope (222) is connected to the second winch (221), and the other end of the second rope (222) is connected to the outside of the segment fixing mechanism (1).

4. The device for installing the subway tunnel segment according to claim 3, characterized in that: The first winch (211) is placed above the support arm (24), and the second winch (221) is placed outside the support arm (24).

5. The device for installing the subway tunnel segment according to claim 2, characterized in that, 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 placed on the mounting seat (26), and the output end of the third drive (23) is connected to the support arm (24).

6. The device for installing the subway tunnel segment with staggered joints according to any one of claims 1-5, characterized in that: The splicing mechanism (2) is two groups, and the segment fixing mechanism (1) is also two groups and corresponds to the splicing mechanism (2) one by one.

7. The device for installing the subway tunnel segment according to any one of claims 1-5, characterized in that: The segment fixing mechanism (1) includes a segment fixing body (11), a segment fixing element (15), and a segment control element (14). The segment fixing element (15) is placed at the end of the segment fixing body (11), and the segment control element (14) is used to drive the segment fixing element (15) to extend and retract.

8. The device for installing the subway tunnel segment according to claim 7, characterized in that: The segment control element (14) includes a sleeve (141), a sleeve rod (142), and a limiting handle (143). One end of the sleeve (141) is connected to the segment fixing element (15), and the other end of the sleeve (141) is slidably connected to the sleeve rod (142). The limiting handle (143) is placed on the sleeve (141), and the segment fixing body (11) is provided with a limiting groove for fixing the limiting handle (143).

9. The device for installing the subway tunnel segment according to any one of claims 1-5, characterized in that: The rotating mechanism (3) comprises a movable mounting body (31), the mounting body (31) is internally provided with a driving wheel (35), a driven wheel (36) and a belt (37) for connecting the driving wheel (35) and the driven wheel (36), the driving wheel (35) is provided with a rotating handle (33) penetrating out of the mounting body (31), and the driven wheel (36) is connected with the splicing mechanism (2).

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