Device and method for removing temporary outfitting of immersed tube roof

Abstract

The application relates to the technical field of tunnel construction, in particular to a removal device and removal method for temporary outfitting pieces on the top of a immersed tube, which comprises a transfer frame, a pre-buried slide way arranged on the central axis of the top of the immersed tube, and a pulley assembly comprising a fixed pulley, a movable pulley set and a pull rope. The transfer frame is transferred to the position of the pre-buried slide way close to the temporary outfitting pieces, the outfitting pieces are hoisted on the transfer frame by a chain block, the second end of the pull rope is pulled, the pull rope is turned by the fixed pulley and the movable pulley set, the first end of the pull rope drives the movable pulley set to move, thereby driving the transfer frame to move along the pre-buried slide way until the concentrated stacking area. The manual labor is greatly reduced, and the construction efficiency is remarkably improved. The pre-buried slide way, the pulley assembly and the transfer frame are low in cost, and the pulley assembly and the transfer frame can be repeatedly used, so that the cost is further reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel construction, and in particular to a device and method for removing temporary outfitting parts on the top of a immersed tube. BACKGROUND

[0002] After the immersed tube segment is prefabricated, it needs to be subjected to primary outfitting, secondary outfitting, and then be installed after installation conditions are met; some outfitting parts in the primary and secondary outfitting are only used to assist the floating of the immersed tube segment, and when the immersed tube segment is floated into place, the outfitting parts complete their existence function and can be removed during the sinking preparation process.

[0003] The temporary outfitting parts are relatively heavy, and the weight of most of the outfitting parts exceeds 100 kg, such as the launching fairlead, the sheep horn fairlead, the GINA water stop belt protection cover, and the 100t mooring post protection cover. Manual removal and transportation are difficult to achieve, and the length of the immersed tube segment is up to hundreds of meters, so the transportation of the outfitting parts is difficult; the outfitting parts need to be manually removed and transported to the accessory of the crane, and then the outfitting parts are moved away from the top of the immersed tube and placed in other places for storage by the crane, so as to facilitate the use of the subsequent immersed tube segment, and the work is of high intensity, high difficulty, and affects the construction efficiency. SUMMARY

[0004] In view of the deficiencies in the prior art, the present application provides a device and method for removing temporary outfitting parts on the top of an immersed tube, which are convenient to operate and have high transportation efficiency.

[0005] The present application provides a device for removing temporary outfitting parts on the top of an immersed tube, comprising:

[0006] A transfer frame comprising a support assembly and a lifting ring fixed on the support assembly, the lifting ring lifting the removed temporary outfitting parts, and the lifted temporary outfitting parts moving with the transfer frame;

[0007] A pre-buried slide is arranged on the central axis of the top of the immersed tube, and the transfer frame moves the temporary outfitting parts in the pre-buried slide to transfer them;

[0008] A pulley assembly comprising a fixed pulley, a movable pulley set, and a pull rope, the movable pulley set comprising at least one movable pulley, the fixed pulley being fixed on the top of the immersed tube for placing a centralized stacking area of the temporary outfitting parts, the movable pulley set being arranged on the transfer frame, a first end of the pull rope being fixed on one side of the movable pulley set, and a second end of the pull rope being stretched out after passing through the fixed pulley and then passing through the other side of the movable pulley set;

[0009] A hand-operated hoist is used to hoist the temporary outfitting parts on the transfer frame;

[0010] The transfer frame is transferred to a position close to the temporary fitting of the pre-embedded slide, the hand-operated hoist hoists the fitting on the transfer frame, the second end of the pull rope is pulled, the pull rope is turned through the fixed pulley and the movable pulley set, the first end of the pull rope drives the movable pulley set to move, thereby driving the transfer frame to move along the pre-embedded slide until the concentrated stacking area.

[0011] The removal device for temporary fittings on the top of the immersed tube of the technical solution can drive or pull the transfer frame to move in the pre-embedded slide, the pre-embedded slide has small frictional resistance, and the use of the pulley set makes the movement of the transfer frame more convenient for workers to operate and force, and more labor-saving, thereby greatly reducing the labor amount, and the transfer frame and the pulley set can be reused, thereby reducing the cost.

[0012] In some embodiments of the present application, the pre-embedded slide includes a main slide and an auxiliary slide, the main slide is located on the central axis of the top of the immersed tube and has the same length as the immersed tube, and the auxiliary slide intersects the main slide perpendicularly and extends to the area where the temporary fittings are concentrated on the immersed tube.

[0013] In some embodiments of the present application, the support assembly includes a main beam and support beams at both ends of the main beam, a lifting ring is arranged on the main beam, the lifting ring is connected with the hand-operated hoist, and is used for lifting the temporary fitting, and the bottom end of the support beam is fixed with a sliding wheel, the sliding wheel moves in the pre-embedded slide, and labor can be saved.

[0014] In some embodiments of the present application, a reinforcing beam is arranged between the support beam and the main beam to reinforce the entire support assembly.

[0015] In some embodiments of the present application, the auxiliary slide has two, and is located at the head and tail ends of the immersed tube respectively, and the temporary fittings are generally concentrated at the head and tail ends of the immersed tube, and the auxiliary slide facilitates the lifting and transfer of the temporary fittings at the head and tail ends of the immersed tube.

[0016] In some embodiments of the present application, the pre-embedded slide is made of PVC material, and has a smooth surface, which can greatly reduce the resistance of the sliding wheel during movement.

[0017] When the removal device for temporary fittings on the top of the immersed tube is used to remove the temporary fittings, the following steps are included:

[0018] S1, a pre-embedded slide is arranged:

[0019] After the immersed tube is prefabricated, before the dry deck concrete is poured, lofting is performed on the top of the immersed tube, a slide groove is formed along the central axis direction of the top of the immersed tube, and a pre-embedded slide is arranged in the slide groove.

[0020] S2, hoist and transfer frame, install pulley assembly:

[0021] The hand-operated hoist and the transfer frame are hoisted and transported to the top of the immersed tube by the crane during secondary outfitting, and the fixed pulley in the pulley assembly is fixed in the concentrated stacking area after the temporary outfitting piece is removed, and the movable pulley set is arranged on the transfer frame;

[0022] S3, remove the temporary outfitting piece:

[0023] The immersed tube is floated to the designated location and moored, and the temporary outfitting piece is removed before the immersed tube is sunk, and after the temporary outfitting piece is bound with a steel wire rope, the hand-operated hoist hoists the steel wire rope and hoists the temporary outfitting piece to the lifting ring of the transfer frame.

[0024] S4, transfer of the temporary outfitting piece:

[0025] After the hand-operated hoist hoists the temporary outfitting piece to the transfer frame, the transfer frame is moved to the pre-buried slide, the first end of the pull rope is fixed on one side of the movable pulley set, the second end of the pull rope is wound around the fixed pulley and then wound around the other side of the movable pulley set and stretched out, the second end of the pull rope is pulled, and after the pull rope is turned by the fixed pulley and the movable pulley set, the first end of the pull rope drives the movable pulley set to move, and drives the transfer frame and the temporary outfitting piece to move along the pre-buried slide until the concentrated stacking area is reached.

[0026] S5, the hoisting device moves the temporary outfitting piece away from the top of the immersed tube, and removes the pulley assembly for next use.

[0027] In some embodiments of the present application, since the outfitting pieces on the top of the immersed tube are basically symmetrically distributed and concentrated at the head and tail ends of the top of the immersed tube, in step S2, the concentrated stacking area after the temporary outfitting piece is removed is located at the head end or the tail end of the immersed tube, which can reduce the transfer workload of the outfitting pieces at one end of the immersed tube, and facilitate the hoisting of the outfitting pieces away from the top of the immersed tube.

[0028] In some embodiments of the present application, in step S1, after the pre-buried slide is arranged in the slide groove, the dry deck concrete is poured, and the pre-buried slide and the dry deck concrete are poured into an integral whole, and later enter the sea with the sinking of the immersed tube.

[0029] Based on the above technical solutions, the immersed tube top temporary outfitting piece removal method of the present application greatly reduces the labor effort, and significantly improves the construction efficiency;

[0030] The pre-buried slide, the pulley assembly, and the transfer frame have low cost, and the pulley assembly and the transfer frame can be reused, further reducing the cost. BRIEF DESCRIPTION OF DRAWINGS

[0031] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0032] Figure 1 Fig. 1 is a schematic view of the front view structure of the transport frame in an embodiment of the present application;

[0033] Figure 2 Fig. 2 is a schematic view of the top view structure of the embedded slide in an embodiment of the present application;

[0034] Figure 3 Fig. 3 is a schematic view of the longitudinal section of the main slide of the embedded slide in an embodiment of the present application;

[0035] Figure 4 Fig. 4 is a schematic view of the steering principle of the pulley assembly in an embodiment of the present application;

[0036] Figure 5 Fig. 5 is a schematic view of the structure of the transport frame hoisting the temporary outfitting piece in an embodiment of the present application;

[0037] Figure 6 Fig. 6 is a schematic view of the side view structure of the transport frame in the embedded slide in an embodiment of the present application.

[0038] In the drawings,

[0039] 10, transport frame; 11, support assembly; 111, main beam; 112, support beam; 113, reinforcing beam; 12, lifting ring; 20, embedded slide; 21, main slide; 22, auxiliary slide; 30, immersed tube; 31, slide groove; 32, concentrated stacking area; 40, pulley assembly; 41, fixed pulley; 42, movable pulley set; 421, mounting seat; 43, pull rope; 431, first end; 432, second end; 50, hand-operated hoist; 60, temporary outfitting piece; 61, steel wire rope. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0041] In the description of this invention, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0042] The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature.

[0043] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0044] like Figures 1-6 As shown, the device for removing the temporary outfitting components on top of the immersed tube in this embodiment includes:

[0045] The transfer frame 10 includes a support assembly 11 and a lifting ring 12 fixed on the support assembly 11. The lifting ring 12 lifts the dismantled temporary outfitting components 60, and the lifted temporary outfitting components 60 move with the transfer frame 10.

[0046] The pre-embedded slide 20 is set on the central axis of the top of the immersed tube 30. The transfer frame 10 drives the temporary outfitting component 60 to move within the pre-embedded slide 20 to transfer it.

[0047] The pulley assembly 40 includes a fixed pulley 41, a movable pulley group 42, and a pull rope 43. The movable pulley group 42 includes at least one movable pulley. The fixed pulley 41 is fixed to the top of the sinking tube 30. The movable pulley group 42 is movably mounted on the transfer frame 10. The first end 431 of the pull rope 43 is fixed to one side of the movable pulley group 42. The second end 432 of the pull rope 43 passes around the fixed pulley 41 and then passes around the other side of the movable pulley group 42 before extending out.

[0048] Specifically, such as Figure 4As shown, in the present embodiment, the fixed pulley 41 is fixed in the concentrated stacking area 32 on the top end of the immersed tube 30 after the temporary outfitting piece 60 is removed, and the two sides of the mounting seat 421 of the movable pulley set 42 are oppositely provided with hooks 422; when the transfer frame 10 is empty, i.e. not transferring the temporary outfitting piece, the movable pulley set 42 is fixed on the transfer frame 10 through one side of the hook 422, and the other side of the hook 422 is empty; when the transfer frame 10 hoists the temporary outfitting piece 60, one side of the hook 422 is fixed on the transfer frame 10, and the other side of the hook 422 is connected and fixed with the first end of the pull rope 43; in another embodiment of the present application, when the transfer frame hoists the temporary outfitting piece 60, one side of the hook 422 can be hooked on the temporary outfitting piece 60, and the other side of the hook 422 is connected and fixed with the first end 431 of the pull rope 43, so that when the second end 432 is pulled, the transfer frame 10 and the temporary outfitting piece 60 can be transferred together.

[0049] The removal device further comprises a hand-operated hoist 50, and the temporary outfitting piece 60 is hoisted on the transfer frame 10 through the hand-operated hoist 50;

[0050] When the temporary outfitting piece is removed and transferred, the transfer frame 10 is transferred to a position close to the temporary outfitting piece 60 on the pre-embedded slide 20, the hand-operated hoist 50 hoists the temporary outfitting piece 60 on the transfer frame 10, the second end 432 of the pull rope 43 is pulled, the pull rope 43 is turned through the fixed pulley 41 and the movable pulley set 42, the first end 431 of the pull rope 43 drives the movable pulley set 42 to move, thereby driving the transfer frame 10 to move along the pre-embedded slide 20 until reaching the concentrated stacking area.

[0051] The removal device of the temporary outfitting piece on the top of the immersed tube in the technical solution pushes or pulls the transfer frame 10 to move in the pre-embedded slide 20, the pre-embedded slide 20 has small friction resistance, and the use of the pulley assembly 40 makes the movement of the transfer frame 10 more convenient for workers to operate and exert force, and more labor-saving, greatly reducing the labor amount, and the transfer frame and the pulley assembly can be repeatedly used, reducing the cost.

[0052] As Figure 2As shown, the pre-embedded slide 20 includes a main slide 21 and auxiliary slides 22, the auxiliary slides 22 are two, located at both ends of the main slide 21, the main slide 21 extends along the center axis of the tube top of the immersed tube 30, and the length of the main slide 21 is the same as the length of the immersed tube 30, the auxiliary slide 22 is perpendicular to the main slide 21, the auxiliary slide 22 extends to the area where the temporary fittings are concentrated, the fittings on the tube top of the immersed tube are basically symmetrically arranged and concentrated at the head end and the tail end of the tube top, for example, the bollard protection cover, the launching fairlead and the sheep horn fairlead are symmetrically arranged at the head end and the tail end of the immersed tube, and the bollard protection cover, the launching fairlead and the sheep horn fairlead are two and symmetrically distributed along the center axis of the immersed tube, so the two auxiliary slides 22 are located at the head end and the tail end of the immersed tube 30, and the two ends of the auxiliary slide 22 extend to the position close to the fittings, so that the transfer frame 10 can move to the position close to the temporary fittings along the pre-embedded slide 20, and the hoisting is facilitated.

[0053] As shown in the drawings, Figure 1 The support assembly 11 includes a main cross beam 111 and support beams 112 at both ends of the main cross beam 111, the main cross beam 111 is provided with a lifting ring 12, the lifting ring 12 is connected with a hand chain block 50, one end of the hand chain block 50 lifts the temporary fitting 60, and the other end is fixed on the lifting ring 12, the bottom end of the support beam 112 is fixed with a sliding wheel 13, the sliding wheel 13 moves in the pre-embedded slide 20, and labor can be saved; for the structure of the support beam 112, as shown in the drawings, Figure 6 In order to increase the stability of the transfer frame, the support beam 112 is in the shape of an isosceles triangle, which can hoist and transport the fittings with large weight.

[0054] In order to further improve the stability of the transfer frame 10, a reinforcing beam 113 is arranged between the support beam 112 and the main cross beam 111 to reinforce the entire support assembly 11.

[0055] In the embodiment, the pre-embedded slide 20 is made of PVC material, which is smooth in surface and free of foreign matter and protrusions, so that the resistance of the sliding wheel moving can be greatly reduced. Since the pre-embedded slide 20 and the dry deck concrete of the immersed tube tube top are poured into an integral whole, the pre-embedded slide 20 cannot be reused and will be sunk into the sea with the tube joint in the later period, so the pre-embedded slide 20 can be made of low-cost material, which can be used after being planed, so that the material is easy to obtain and the cost is low.

[0056] When the above-mentioned device for removing the temporary fittings on the tube top of the immersed tube is used to remove the temporary fittings, the following steps are included:

[0057] S1, setting a pre-embedded slide:

[0058] After the prefabrication of the immersed tube is completed, before the dry deck concrete of the top of the immersed tube is poured, lofting is performed on the top of the immersed tube 30, a slide groove 31 is formed along the central axis direction of the top of the immersed tube 30, and a pre-embedded slide 20 is fixed in the slide groove 31. After the pre-embedded slide 20 is arranged, the dry deck concrete is poured, the pre-embedded slide 20 and the dry deck concrete are poured as a whole, and in the later stage, the pre-embedded slide 20 is put into the sea along with the immersed tube 30;

[0059] S2, hoist and transport the transfer frame, install the pulley assembly:

[0060] During the secondary outfitting, the hand-operated hoist 50 and the transfer frame 10 are hoisted and transported to the top of the immersed tube 30 by a land crane, and the fixed pulley 41 in the pulley assembly 40 is fixed in the concentrated stacking area 32 after the temporary outfitting parts are removed. The concentrated stacking area 32 is an area where the outfitting parts are concentrated after being removed, which facilitates the use of a floating crane to move the outfitting parts away from the top of the immersed tube in the later stage. Generally, the concentrated stacking area 32 is located at the bow or stern of the immersed tube. In this embodiment, as shown in FIG. 2, the concentrated stacking area 32 is located at the bow of the immersed tube, and the fixed pulley 41 is fixed in the concentrated stacking area 32. Since the outfitting parts on the top of the immersed tube are basically symmetrically distributed and concentrated at the bow and stern of the immersed tube, the concentrated stacking area 32 is located at the bow of the immersed tube, which can reduce the transfer workload of the outfitting parts at the bow of the immersed tube and facilitate the smooth transfer of the outfitting parts to the concentrated stacking area 32 in the later stage. Figure 2

[0061] S3, remove the temporary outfitting parts:

[0062] Before the immersed tube 30 is sunk to the designated location for mooring, the temporary outfitting parts have lost their function at this time, so before sinking, the temporary outfitting parts need to be removed. The empty transfer frame 10 is moved to the vicinity of the temporary outfitting parts 60 to be removed. At this time, the transfer frame 10 can not be in the pre-embedded slide, the bolts of the temporary outfitting parts 60 are loosened, the temporary outfitting parts 60 are bound using the steel wire rope 61, the hand-operated hoist 50 is used to lift the steel wire rope 61, and the temporary outfitting parts 60 are hoisted and lifted onto the lifting ring 12 of the transfer frame 10. Then, the transfer frame 10 and the hoisted temporary outfitting parts 60 are manually pushed into the pre-embedded slide 20.

[0063] S4, transfer of the temporary outfitting parts:

[0064] After the temporary outfitting parts 60 are hoisted onto the transfer frame 10 by the hand-operated hoist 50 in step S3, the transfer frame 10 is manually moved into the auxiliary slide 22 of the pre-embedded slide 20. Since the auxiliary slide 22 extends to a position close to the temporary outfitting parts 60, it is relatively easy to manually push the transfer frame 10 into the auxiliary slide 22.

[0065] ​After the transfer frame 10 moves to the auxiliary slide 22, the first end 431 of the pull rope 43 is fixed on the one side hook 422 of the mounting seat 421 of the movable pulley block 42, the second end 432 is pulled out after passing through the fixed pulley 41 and the other side of the movable pulley block 42, the second end 431 of the pull rope 43 is pulled, the pull rope 431 passes through the fixed pulley 41 and the steering of the movable pulley block 42, and the first end 431 of the pull rope 43 drives the movable pulley block 42 to move, because the movable pulley block 42 is fixed on the transfer frame or the temporary outfitting piece 60, so that the movable pulley block 42 moves under force, and drives the transfer frame 10 to move along the embedded slide 20 until reaching the centralized stacking area 32; the steps S3-S4 are repeated until all the temporary outfitting pieces are transferred to the centralized stacking area.

[0066] S5, using a lifting device such as a floating crane or other lifting facilities, the temporary outfitting piece 60 is adjusted away from the top of the immersed tube, the pulley block 43 is removed, and the transfer frame 10 and the pulley block 43 are lifted away from the immersed tube, and are used next time, and the immersed tube is started to be immersed when the conditions are met.

[0067] The above-mentioned immersed tube top temporary outfitting piece removal device pushes or pulls the transfer frame to move in the embedded slide, the friction resistance of the embedded slide is small, and the use of the pulley block makes the movement of the transfer frame more convenient for workers to operate and force, and more labor-saving, greatly reducing the labor amount, and the transfer frame and the pulley block assembly can be reused, reducing the cost; the immersed tube top temporary outfitting piece removal method greatly reduces the labor of the labor force, and significantly improves the construction efficiency; the embedded slide, the pulley block assembly, and the transfer frame have low cost, and the pulley block assembly and the transfer frame can be reused, further reducing the cost.

[0068] Finally, it should be noted that: the embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts of each embodiment can be referred to.

[0069] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent; without departing from the spirit of the technical scheme of the present application, they should be covered in the technical scheme range of the present application.

Claims

1. A method of removal of a temporary topside fitment of a immersed tube tunnel, characterized in that: The removal device comprises: a transfer frame comprising a support assembly and a lifting ring fixed on the support assembly, the lifting ring lifting the removed temporary outfitting piece, the lifted temporary outfitting piece moving with the transfer frame; a pre-embedded slide channel arranged on the central axis of the pipe top of the immersed tube, the transfer frame moving the temporary outfitting piece in the pre-embedded slide channel to transfer the temporary outfitting piece; a pulley assembly comprising a fixed pulley, a movable pulley set and a pull rope, the movable pulley set comprising at least one movable pulley, the fixed pulley being fixed on the top of the immersed tube for placing a concentrated stacking area of the temporary outfitting piece, the movable pulley set being arranged on the transfer frame, a first end of the pull rope being fixed on one side of the movable pulley set, a second end of the pull rope extending out after passing through the fixed pulley and then passing through the other side of the movable pulley set; a hand-operated hoist, the hand-operated hoist being used to hoist the temporary outfitting piece on the transfer frame; the transfer frame being moved to a position close to the temporary outfitting piece on the pre-embedded slide channel, the hand-operated hoist hoisting the outfitting piece on the transfer frame, the second end of the pull rope being pulled, the pull rope being turned through the fixed pulley and the movable pulley set, the first end of the pull rope moving the movable pulley set, thereby moving the transfer frame along the pre-embedded slide channel until the concentrated stacking area; a method for removing the above removal device, comprising the following steps: S1, arranging a pre-embedded slide channel: after the immersed tube is prefabricated, before the dry deck concrete of the pipe top is poured, lofting is performed on the top of the immersed tube, a slide channel groove is formed along the central axis direction of the pipe top of the immersed tube, and a pre-embedded slide channel is arranged in the slide channel groove; S2, hoisting and placing a transfer frame and installing a pulley assembly: during secondary outfitting, the hand-operated hoist and the transfer frame are hoisted to the pipe top of the immersed tube by a crane for storage, the fixed pulley in the pulley assembly is fixed in the concentrated stacking area after the temporary outfitting piece is removed, and the movable pulley set is arranged on the transfer frame; S3, removing the temporary outfitting piece: the immersed tube is floated to a designated position for mooring, before the immersed tube is sunk, the temporary outfitting piece is removed, the hand-operated hoist hoists the steel wire rope after the temporary outfitting piece is bound with the steel wire rope, and the hand-operated hoist hoists the temporary outfitting piece to the lifting ring of the transfer frame; S4, transferring the temporary outfitting piece: after the hand-operated hoist hoists the temporary outfitting piece to the transfer frame, the transfer frame is moved into the pre-embedded slide channel, the first end of the pull rope is fixed on one side of the movable pulley set, the second end of the pull rope extends out after passing through the fixed pulley and then passing through the other side of the movable pulley set, the second end of the pull rope is pulled, the pull rope is turned through the fixed pulley and the movable pulley set, the first end of the pull rope moves the movable pulley set, thereby moving the transfer frame and the temporary outfitting piece along the pre-embedded slide channel until the concentrated stacking area is reached; S5, the hoisting device hoists the temporary outfitting piece away from the pipe top of the immersed tube, and the pulley assembly is removed for next use.

2. The method of removal of temporary deck fittings of a immersed tube tunnel according to claim 1, characterized in that, The embedded slide channel comprises a main slide channel and an auxiliary slide channel, the main slide channel is located on the top axis of the immersed tube and has the same length as the immersed tube, and the auxiliary slide channel intersects with the main slide channel perpendicularly and extends to the area where the temporary fittings are concentrated.

3. The method of removal of temporary deck fittings of immersed tube tunnels according to claim 2, characterized in that, The support assembly comprises a main beam and support beams at both ends of the main beam, a lifting ring is arranged on the main beam, the lifting ring is connected with the chain hoist, and the chain hoist is used for lifting the temporary fittings, and the bottom end of the support beam is fixed with a sliding wheel which moves in the embedded slide channel.

4. The method of removal of temporary deck fittings of immersed tube tunnels according to claim 3, characterized in that, A reinforcing beam is arranged between the support beam and the main beam.

5. The method of removal of temporary deck fittings of immersed tube tunnels according to claim 2, characterized in that, The auxiliary slide channel has two, which are located at the head and tail ends of the immersed tube.

6. The method of removal of temporary deck fittings of immersed tube tunnels according to claim 1, characterized in that, The embedded slide channel is made of PVC.

7. The method of removal of temporary deck fittings of immersed tube tunnels according to claim 1, characterized in that, In step S2, the concentrated stacking area after the temporary fittings are removed is located at the head end or the tail end of the immersed tube.

8. The method of removal of temporary deck fittings of immersed tube tunnels according to claim 7, characterized in that, In step S1, after the embedded slide channel is arranged in the slide channel, the dry deck concrete is poured, and the embedded slide channel and the dry deck concrete are poured into an integral whole.

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