CN113526370B

CN113526370B - Utility tunnel

Info

Publication number: CN113526370B
Application number: CN202110708373.4A
Authority: CN
Inventors: 张潇湖; 刘艳燕
Original assignee: Zhejiang Saige Electronic Engineering Co ltd
Current assignee: Zhejiang Saige Construction Development Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-22
Anticipated expiration: 2041-06-25
Also published as: CN113526370A

Abstract

The application discloses utility tunnel, it includes the piping lane body and sets up the support on piping lane body inner wall, the support includes multilayer and piping lane body inner wall fixed connection's crossbearer, be provided with the slide rail on the interior roof of piping lane body, it is provided with the slider to slide on the slide rail, it is connected with the pulley to rotate on the slider, around being equipped with the jack-up rope on the pulley, the one end of jack-up rope is connected with the fixture who is used for the centre gripping pipeline, be connected with the carriage release lever on the slider. This application has the effect of being convenient for the staff lifting all kinds of pipelines to the support on.

Description

Utility tunnel

Technical Field

The application relates to city infrastructure engineering field especially relates to a utility tunnel.

Background

The utility tunnel is an underground city pipeline utility tunnel, namely, a tunnel space is built underground the city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure and a 'lifeline' for guaranteeing the operation of the city.

In the correlation technique, the support has always been equipped with on utility tunnel's the inner wall, and the support is arranged in playing the supporting role to all kinds of pipelines such as power cable, communication cable, gas pipeline, sewage conduit among the piping lane. After the staff transported all kinds of pipelines to the piping lane, need to carry the pipeline through a plurality of staff and climb the ladder in order to all kinds of pipelines lift to each support on, complex operation remains to be improved.

Disclosure of Invention

In order to facilitate the staff lifting all kinds of pipelines to the support on, this application provides a utility tunnel.

The application provides a utility tunnel adopts following technical scheme:

the utility model provides a utility tunnel, includes the piping lane body and sets up the support on piping lane body inner wall, the support includes multilayer and piping lane body inner wall fixed connection's crossbearer, be provided with the slide rail on the interior roof of piping lane body, it is provided with the slider to slide on the slide rail, it is connected with the pulley to rotate on the slider, around being equipped with the jack-up rope on the pulley, the one end of jack-up rope is connected with the fixture who is used for the centre gripping pipeline, be connected with the carriage release lever on the slider.

Through adopting above-mentioned technical scheme, when lifting all kinds of pipelines to the support, press from both sides tight pipeline through fixture earlier, then pull jack-up rope with lifting fixture and the pipeline that is pressed from both sides tightly. Then the sliding block is pushed by the moving rod to move towards the direction close to the bracket, so that the pulley, the clamping mechanism and the pipeline are driven to move until the pipeline moves onto the cross frame, and finally, another worker takes the pipeline off the clamping mechanism. Through above-mentioned structure for when staff's lifting all kinds of pipelines, need not a plurality of staff and lifts up the pipeline and climb the ladder, be convenient for the staff lifting all kinds of pipelines to the support on.

Optionally, fixture includes shell, locking rope and sets up the clamp splice on the shell, it has the conducting hole that supplies the pipeline to stretch into to run through on the shell, set up the sliding tray that supplies the clamp splice slip to set up on the pore wall of conducting hole, be connected with first guide bar on the clamp splice, the tip of first guide bar runs through to the shell outside, be connected with the reset spring who is used for driving clamp splice immigration sliding tray on the first guide bar, the one end of locking rope is connected on the clamp splice, the other end of locking rope runs through to the shell outside.

Through adopting above-mentioned technical scheme, when pressing from both sides tight pipeline, put into the conducting hole with the pipeline earlier, then pull the locking rope and keep away from the one end of clamp splice to make the pore wall of clamp splice and conducting hole press from both sides tight pipeline. After the pipeline moves to the cross frame, the force applied to the locking rope is removed, the reset spring drives the clamping block to move into the sliding groove, so that the pipeline can be placed on the cross frame by a worker on the ground, and the worker can conveniently lift various pipelines to the support.

Optionally, a clamping groove is formed in the side wall, away from the first guide rod, of the clamping block, and the size of an opening of the clamping groove decreases progressively along the direction from the clamping block to the first guide rod.

Through adopting above-mentioned technical scheme, compare in directly supporting tightly the pipeline through the pore wall of clamp splice lateral wall and conducting hole, the tight groove of clamp has further restricted the pipeline and has removed, stability when having improved fixture grip pipe line.

Optionally, the end connection of jack-up rope has the anti-slip piece, set up the shifting chute that supplies jack-up rope tip to slide and set up on the outer wall of shell, the anti-slip groove that supplies the anti-slip piece to slide and set up is seted up to the tank bottom of shifting chute, the width that the anti-slip piece is greater than the groove width of shifting chute, the anti-slip piece slides when contacting to one side cell wall with the anti-slip groove, the opening of conducting hole is towards the inner diapire of piping lane body, the anti-slip piece slides when contacting to the opposite side cell wall with the anti-slip groove, the opening of conducting hole is towards adjacent support, just the opening of clamping groove is towards the inner diapire of piping lane body.

Through adopting above-mentioned technical scheme, when the opening of conducting hole was towards the interior diapire of piping lane body, the staff of being convenient for removed the shell so that the pipeline moves to in the conducting hole. After the pipeline is moved into the through hole and clamped by the clamping blocks, the hoisting rope is pulled to lift the pipeline off the ground. And then the shell is rotated and the anti-slip block is moved until the opening of the conducting hole faces to the adjacent support, so that a worker can move the pipeline to the cross frame conveniently, and at the moment, the anti-slip block is moved to one side of the groove wall of the anti-slip groove to be contacted. Through the anti-slip block, the moving groove and the anti-slip groove, the shell can rotate relative to the hoisting rope, so that the opening direction of the via hole is changed to facilitate a worker to move the pipeline.

Optionally, the slot bottom of the slip-off preventing slot is provided with a magnet, the slip-off preventing block can attract the magnet, and when the slip-off preventing block attracts the magnet, the opening of the conducting hole faces the adjacent support.

Through adopting above-mentioned technical scheme, through magnet attraction anti-disengaging piece, the conducting hole rotates when having restricted the shell to rotate to the adjacent support of opening orientation, stability when having improved the shell and having driven the pipeline and remove.

Optionally, the locking rope comprises a main rope and at least two auxiliary ropes with end portions connected to the clamping block, and the other ends of the auxiliary ropes are connected with the main rope.

By adopting the technical scheme, the clamping block is pulled by the two auxiliary ropes, so that the clamping block is not easy to skew when moving, and the stability of the clamping block when moving is improved.

Optionally, be provided with the locking subassembly on the shell, the locking subassembly is including connecting the first stop block on the shell and sliding the second stop block that sets up on the shell, all seted up on first stop block and the second stop block with the unanimous locking groove of vice rope quantity, the second stop block can slide to laminating with first stop block, when the second stop block slides to laminating with first stop block, the locking hole that the synthetic confession vice rope wore to establish is enclosed to the locking groove on first stop block and the second stop block, be provided with the lug on the cell wall in locking groove, be provided with the pothook on the second stop block, offer on the first stop block be used for with pothook joint complex draw-in groove.

By adopting the technical scheme, after the main rope is pulled to drive the clamping block to clamp the pipeline through the auxiliary rope, the auxiliary rope is firstly placed into the stop groove formed in the first stop rod block, then the second stop block slides towards the direction close to the first stop block until the second stop block is attached to the first stop block, and at the moment, the clamping hook is in clamping fit with the clamping groove to limit the second stop block to be separated from the first stop block. The auxiliary rope penetrating the stopping hole is clamped by the convex block, and at the moment, even if the force applied to the main rope is removed, the clamping block cannot be reset due to the action of the reset spring. Through adopting above-mentioned structure for after the staff presss from both sides tight pipeline, need not to continuously stimulate the main rope, the staff of being convenient for rotates the shell and removes the anti-disengaging block.

Optionally, the casing is provided with an ejection groove communicated with the via hole, an opening of the ejection groove faces the opening of the via hole, an ejection block is slidably arranged in the ejection groove, the ejection block is connected with a second guide rod, an end of the second guide rod penetrates through the casing, and the second guide rod is connected with an ejection spring for driving the ejection block to move into the via hole.

By adopting the technical scheme, when the pipeline is clamped, the second guide rod and the locking rope are pulled successively, so that the ejection block is accommodated in the ejection groove, the end part of the clamping block extends out of the sliding groove and compresses the pipeline, and the reset spring compresses and the ejection spring stretches. Then, the force applied to the second guide bar is removed, and the ejector block is restrained from moving by the clamp block with the end portion extending out of the sliding groove.

After the clamping mechanism is moved to drive the pipeline to move to the cross frame, the force applied to the locking rope is removed, the clamping block retracts into the sliding groove under the action of the return spring, and the ejection block drives the ejection block to move into the conducting hole under the action of the ejection spring, so that the pipeline is ejected out of the conducting hole. Through the structure, the pipeline on the clamping mechanism can be conveyed to the cross frame only by the worker on the ground, the pipeline is not required to be taken down from the clamping mechanism by another worker, and the worker can move the pipeline to the support conveniently.

Optionally, the crossbearer includes a plurality of horizontal poles of arranging along the horizontal direction, each layer be connected with the extension rod on two at least adjacent horizontal poles in the crossbearer, be connected with the locating piece on the double-phase back of the body outer wall of shell, offer on the locating piece and be used for supplying extension rod and horizontal pole to insert the locating hole of establishing.

Through adopting above-mentioned technical scheme, when on lifting the pipe line to the crossbearer of waiting to place, because easily be fixed with the pipeline on the crossbearer of above-mentioned crossbearer top, consequently it is difficult to directly remove shell and pipeline to the crossbearer completely through the lifting rope. The extension rod and the positioning hole not only have a limiting effect on the shell, so that the shell is not prone to shaking up and down, but also the ejection block is facilitated to push the pipeline to the cross frame.

Optionally, the moving rod is connected with a reel in a rotating manner, and the end part of the hoisting rope far away from the clamping mechanism is fixed on the reel.

Through adopting above-mentioned technical scheme, when hoisting up the pipeline, compare in pulling the jack-up rope by hand through the staff, help staff pulling and rolling jack-up rope through the reel.

In summary, the present application includes at least one of the following benefits:

1. when various pipelines are lifted to the support, the pipelines are clamped through the clamping mechanism, then the reel is rotated to wind the hoisting rope so as to lift the clamping mechanism and the pipelines, then the sliding block is moved through the moving rod so as to drive the pulley, the clamping mechanism and the pipelines to move towards the direction close to the support until the pipelines move to the cross frame, and finally the pipelines are taken down from the clamping mechanism;

2. after the locking rope is pulled to drive the clamping block to clamp the pipeline on the ground, the pipeline is firstly lifted away from the ground, then the shell is rotated and the anti-falling block is moved until the anti-falling block and the magnet are mutually attracted, and at the moment, the conducting hole faces to the adjacent support, so that a worker can conveniently move the pipeline to the cross frame;

3. after moving fixture and pipeline to the crossbearer on, remove the power of exerting on the locking rope, the clamp splice withdraws the sliding tray under reset spring's effect, and ejecting piece moves to the via hole under ejecting spring's effect to with the ejecting via hole of pipeline, through above-mentioned structure, make the staff on subaerial can push away the pipeline in the via hole to the crossbearer on, further improved the simplicity that the staff moved the pipeline to the crossbearer.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

FIG. 2 is a schematic partial cross-sectional view of a salient slip stop and a magnet according to an embodiment of the present application.

FIG. 3 is a schematic view showing a partial structure of a clamping mechanism in an embodiment of the present application.

Fig. 4 is an enlarged schematic view at a in fig. 1.

FIG. 5 is a partial structural diagram of a bump shown in the embodiment of the present application.

Description of reference numerals:

1. a pipe gallery body; 11. a toxic combustible gas detector; 2. a support; 21. a cross frame; 211. a cross bar; 212. an extension rod; 3. a slide rail; 31. a slider; 32. a pulley; 33. a hoisting rope; 331. a slip-preventing block; 34. a travel bar; 341. coiling; 342. a limiting ring; 4. a clamping mechanism; 41. a housing; 411. a via hole; 412. a dovetail groove; 42. a locking rope; 421. a main rope; 422. a secondary rope; 423. a limiting block; 43. a clamping block; 431. a first guide bar; 432. a first pull block; 433. a return spring; 434. a clamping groove; 44. a moving groove; 441. a drop-out prevention groove; 442. a magnet; 45. a sliding groove; 46. positioning blocks; 461. positioning holes; 47. ejecting the groove; 471. ejecting a block; 472. a second guide bar; 473. a second pull block; 474. ejecting a spring; 5. a stop assembly; 51. a first stopper; 511. a card slot; 52. a second stopper; 521. a hook; 522. a dovetail block; 53. a stopper groove; 54. And (4) a bump.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses utility tunnel. Referring to fig. 1, utility tunnel includes pipe gallery body 1, sets up support 2 on 1 inside wall of pipe gallery body, two slide rails 3 of fixing on 1 interior roof of pipe gallery body, two slide block 31 of setting on different slide rails 3 that slide respectively, two divide to rotate pulley 32 of connection on different slide block 31 respectively, two are respectively around establishing the jack-up rope 33 on different pulley 32 and two fixture 4 that are used for the centre gripping pipeline.

Referring to fig. 1, be fixed with poisonous combustible gas detector 11 on the interior roof of piping lane body 1, through poisonous combustible gas detector 11, can detect whether the methane concentration in piping lane body 1 exceeds standard. Poisonous combustible gas detector 11 detects methane concentration and exceeds standard, can send out the police dispatch newspaper and start the fan of locating in piping lane body 1 in order to take out the methane in the piping lane body 1 to locating in the n-butanol solution pond in the piping lane body 1. Through above-mentioned structure, the methane concentration in the pipe gallery body 1 is exceeded standard to the restriction for during staff's construction in pipe gallery body 1, be difficult for because of the gas pipeline in pipe gallery body 1 leaks, and lead to the methane concentration in the pipe gallery body 1 to rise, and then lead to taking place conflagration or dangerous situations such as staff suffocation in the pipe gallery body 1. The greenhouse effect of the earth is increased due to methane, and the greenhouse effect is intensified by directly discharging the methane into the atmosphere. Methane is discharged into the n-butyl alcohol solution pool through the fan, so that the methane is dissolved in the n-butyl alcohol solution, and the effect of protecting the environment is achieved.

Referring to fig. 1, the two slide rails 3 extend along a direction from the side close to the support 2 to the side away from the support 2, the two sliders 31 are fixed with moving rods 34, and the moving rods 34 facilitate the worker to push the sliders 31 to move on the ground. Reels 341 are fixed on the two movable rods 34, one end of one hoisting rope 33 is fixed on one reel 341, one end of the other hoisting rope 33 is fixed on the other reel 341, and the reels 341 are convenient for workers to wind and pull the hoisting rope 33.

Referring to fig. 1 and 2, the clamping mechanism 4 includes a housing 41, a locking rope 42 and a clamping block 43, a through hole 411 is formed through the housing 41, and the through hole 411 is used for a pipeline to extend into. The housing 41 further defines a moving slot 44, and the moving slot 44 is used for slidably disposing the end of the adjacent hoisting rope 33. The bottom of the moving groove 44 is provided with a slip-off preventing groove 441, and the slip-off preventing groove 441 is an arc-shaped groove. The end of the lifting rope 33 far from the reel 341 is fixed with a slip-off preventing block 331, and the slip-off preventing groove 441 is used for the slip-off preventing block 331 to be arranged. The magnet 442 is fixed on the bottom of the retaining block 331, the retaining block 331 is made of a material capable of attracting the magnet 442, such as iron, cobalt, and nickel, and the retaining block 331 of the present embodiment is an iron block. The width of the slip-off prevention block 331 is larger than the groove width of the moving groove 44, and when the slip-off prevention block 331 slides to be in contact with one side wall of the slip-off prevention groove 441, the opening of the through hole 411 faces the ground; when the slip-off prevention block 331 slides to contact the other side wall of the slip-off prevention groove 441, the opening of the through hole 411 faces the bracket 2, and at this time, the slip-off prevention block 331 and the magnet 442 attract each other.

Referring to fig. 2 and 3, a sliding groove 45 is formed on a hole wall of the through hole 411, and the sliding groove 45 is used for allowing the clamping block 43 to slide. Each clamping block 43 is provided with two first guide rods 431 which extend in the same direction and are slidably arranged on the shell 41, one end of each first guide rod 431 is fixed on the clamping block 43, and the other end of each first guide rod 431 penetrates through the outer side of the shell 41. A first pull block 432 with a cross-sectional area larger than that of the first guide rod 431 is fixed on one side of the first guide rod 431 away from the clamping block 43, a return spring 433 is sleeved on the first guide rod 431, and the return spring 433 is used for driving the clamping block 43 to retract into the sliding groove 45. The return spring 433 extends and contracts along the sliding direction of the clamping block 43, and two ends of the return spring 433 are respectively fixed on the first pulling block 432 and the outer wall of the housing 41. When the return spring 433 is in a natural state, the clamp 43 is received in the slide groove 45.

Referring to fig. 2 and 3, a clamping groove 434 is formed in a side wall of the clamping block 43 away from the first guide rod 431, the size of an opening of the clamping groove 434 decreases gradually along a direction from the clamping block 43 to the first guide rod 431, and the clamping groove 434 helps the clamping block 43 to clamp the pipeline. The locking rope 42 includes a main rope 421 and two auxiliary ropes 422, and both the two auxiliary ropes 422 are slidably disposed on the housing 41. One end of the auxiliary rope 422 is fixed on the side wall of the clamping block 43 provided with the clamping groove 434, and the other end of the auxiliary rope 422 penetrates to the outer side of the shell 41 and is fixedly connected with the main rope 421.

Referring to fig. 3 and 4, a limiting ring 342 is fixed to a side wall of the moving rod 34, and the limiting ring 342 is used for the main rope 421 to pass through. The end of the main rope 421 far away from the auxiliary rope 422 is fixed with a limiting block 423, and the width of the limiting block 423 is larger than the inner diameter of the limiting ring 342. The main rope 421 can be connected to the moving rod 34 through the limiting ring 342 and the limiting block 423, so that the worker can pull the main rope 421 conveniently.

Referring to fig. 3 and 5, the housing 41 is connected with the stopper assembly 5, the stopper assembly 5 includes a first stopper 51 and a second stopper 52, the first stopper 51 is fixed on a sidewall of the housing 41 away from the sliding groove 45, and the second stopper 52 is slidably disposed on a sidewall of the housing 41 away from the sliding groove 45. A dovetail groove 412 is formed in the side wall of the housing 41 far away from the sliding groove 45, the opening of the dovetail groove 412 decreases progressively along the direction from the position close to the sliding groove 45 to the position far away from the sliding groove 45, a dovetail block 522 is fixedly connected to the second stop block 52, and the dovetail block 522 is arranged in the dovetail groove 412 in a sliding mode. The dovetail groove 412 extends in a direction from near the first stopper 51 to far from the first stopper 51, so that the second stopper 52 can slide to abut against the first stopper 51.

Referring to fig. 3 and 5, two stop grooves 53 are formed in the side wall of the first stop block 51 close to the second stop block 52 and the side wall of the second stop block 52 close to the first stop block 51, and a protrusion 54 is disposed on the groove wall of each stop groove 53. When the second stop block 52 slides to be engaged with the first stop block 51, the two stop grooves 53 on the second stop block 52 and the two stop grooves 53 on the second stop block 52 enclose two stop holes, and the two stop holes are used for the auxiliary rope 422 to pass through. When the auxiliary rope 422 is inserted into the stopper hole, the protrusion 54 clamps the auxiliary rope 422 to deform the auxiliary rope 422, thereby restricting the movement of the auxiliary rope 422.

Referring to fig. 3 and 5, hooks 521 are fixed on two opposite side walls of the second stopper 52, and the hooks 521 are made of plastic and can deform. The two opposite side walls of the first stop block 51 are both provided with a slot 511, and the slot 511 is used for the snap-fit of the snap hook 521. The second stop block 52 moves to fit with the first stop block 51, and the hook 521 is engaged with the slot 511 to limit the separation of the second stop block 52 from the first stop block 51.

Referring to fig. 3 and 5, when the pipeline is lifted, the housing 41 is firstly moved to move the pipeline into the through hole 411, and then the main rope 421 is tightened, and the main rope 421 drives the clamping block 43 to clamp the pipeline through the auxiliary rope 422. The second stopper 52 is slid until the hook 521 is engaged with the slot 511, so that the protrusion 54 clamps the auxiliary rope 422.

Referring to fig. 2 and 4, the housing 41 is rotated to open the through hole 411 toward the bracket 2, the stopper 423 is moved to the anti-slip block 331 to attract the magnet 442, and then the main rope 421 is tightened and the hook 521 is opened to engage with the engaging groove 511.

Referring to fig. 1, finally, the reel 341 is rotated and the slider 31 is moved by the moving rod 34 so that the clamping mechanism 4 moves the pipeline onto the cross frame 21.

Referring to fig. 1, the support 2 includes seven layers of crossbearers 21 fixed on the side wall of the pipe gallery body 1, and each layer of crossbearers 21 are uniformly distributed along the vertical direction. Each layer of transverse frame 21 comprises a plurality of transverse rods 211, and the transverse rods 211 are uniformly distributed along the horizontal direction. All be provided with four extension rods 212 on every layer of crossbearer 21, wherein two extension rods 212 fix and keep away from one side of pipe gallery body 1 inside wall at two adjacent horizontal poles 211, and other two extension rods 212 fix and keep away from one side of pipe gallery body 1 inside wall at two adjacent horizontal poles 211 in addition.

Referring to fig. 1 and 3, the two opposite side walls of the housing 41 are fixed with positioning blocks 46, the positioning blocks 46 are provided with positioning holes 461 through which the extending rods 212 and the cross rods 211 are inserted, and a distance between the two positioning holes 461 is the same as a distance between two adjacent cross rods 211.

Referring to fig. 3, the housing 41 is formed with an ejection slot 47, the ejection slot 47 is communicated with the through hole 411, and an opening of the ejection slot 47 faces an opening of the through hole 411. An ejection block 471 is slidably disposed in the ejection slot 47, and two second guide rods 472 are disposed on the ejection block 471. The second guide rod 472 is slidably disposed on the housing 41, one end of the second guide rod 472 is fixed to the ejector block 471, and the other end of the second guide rod 472 penetrates the housing 41. A second pull block 473 with a cross-sectional area larger than that of the second guide rod 472 is fixed to the end of the second guide rod 472 far away from the ejector block 471, and an ejector spring 474 is sleeved on the second guide rod 472 and used for driving the ejector block 471 to move into the through hole 411. The ejecting spring 474 extends and contracts in the sliding direction of the ejecting block 471, and both ends of the ejecting spring 474 are fixed to the second pulling block 473 and the outer wall of the housing 41, respectively. When the ejecting spring 474 is in a natural state, the ejecting block 471 moves to the opening of the through hole 411.

The utility model provides an utility tunnel's implementation principle does: when the pipeline is lifted to the cross frame 21, the second guiding rod 472 pulls the push-out block 471 to the push-out groove 47, and then the clamp block 43 and the locking rope 42 clamp the pipeline. When the limiting block 423 moves to attract the magnet 442 and the housing 41 rotates to the opening of the through hole 411 facing the bracket 2, the two reels 341 are rotated by two workers at the same speed, so as to align the clamping mechanism 4 and the pipeline to the positioning hole 461 with the two extending rods 212 on the cross frame 21. The slider 31 is then slid to insert the extension rod 212 into the positioning hole 461 until the end of the cross bar 211 is inserted into the positioning hole 461. Finally, the force applied to the main rope 421 is removed, the clamp block 43 is received in the slide groove 45, and the ejector block 471 is ejected by the ejector spring 474, so that the pipeline is pushed out of the through hole 411.

Through the structure, when workers lift various pipelines, the pipelines do not need to be lifted by a plurality of workers and the ladder is climbed, the operation of lifting the pipelines can be completed only on the ground, and the workers can lift various pipelines to the support 2 conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a utility tunnel, includes piping lane body (1) and sets up support (2) on piping lane body (1) inner wall, its characterized in that: the support (2) comprises a plurality of layers of crossbearers (21) fixedly connected with the inner wall of the pipe gallery body (1), a sliding rail (3) is arranged on the inner top wall of the pipe gallery body (1), a sliding block (31) is arranged on the sliding rail (3) in a sliding manner, a pulley (32) is connected to the sliding block (31) in a rotating manner, a hoisting rope (33) is wound on the pulley (32), one end of the hoisting rope (33) is connected with a clamping mechanism (4) for clamping a pipeline, and a moving rod (34) is connected to the sliding block (31);

the clamping mechanism (4) comprises a shell (41), a locking rope (42) and a clamping block (43) arranged on the shell (41), a through hole (411) for a pipeline to extend into penetrates through the shell (41), a sliding groove (45) for the clamping block (43) to slide is formed in the hole wall of the through hole (411), a first guide rod (431) is connected onto the clamping block (43), the end part of the first guide rod (431) penetrates through the outer side of the shell (41), a return spring (433) for driving the clamping block (43) to move into the sliding groove (45) is connected onto the first guide rod (431), one end of the locking rope (42) is connected onto the clamping block (43), and the other end of the locking rope (42) penetrates through the outer side of the shell (41);

when clamping the pipeline, put into conducting hole (411) with the pipeline earlier, then pulling locking rope (42) and keeping away from the one end of clamp splice (43), thereby make the clamp splice (43) and the pore wall of conducting hole (411) press from both sides the pipeline, treat that the pipeline removes to crossbearer (21) the back, remove the power of exerting on locking rope (42) again, reset spring (433) drive clamp splice (43) immigration sliding tray (45), make the staff can put the pipeline on crossbearer (21) on ground.

2. A utility tunnel according to claim 1, characterized in that: a clamping groove (434) is formed in the side wall, away from the first guide rod (431), of the clamping block (43), and the opening size of the clamping groove (434) decreases progressively along the direction from the clamping block (43) to the first guide rod (431).

3. A utility tunnel according to claim 2, characterized in that: the end connection of jack-up rope (33) has anti-disengaging block (331), offer on the outer wall of shell (41) and supply jack-up rope (33) tip sliding setting's shifting chute (44), the tank bottom of shifting chute (44) is offered and is supplied anti-disengaging block (331) sliding setting's anti-disengaging groove (441), the width of anti-disengaging block (331) is greater than the trough width of shifting chute (44), when anti-disengaging block (331) slide to contact with one side cell wall of anti-disengaging groove (441), the opening of via hole (411) is towards the interior diapire of piping lane body (1), when anti-disengaging block (331) slide to contact with the opposite side cell wall of anti-disengaging groove (441), the opening of via hole (411) is towards adjacent support (2), just the opening of clamping groove (434) is towards the interior diapire of piping lane body (1).

4. A utility tunnel according to claim 3, characterized in that: and a magnet (442) is arranged at the bottom of the anti-slip groove (441), the anti-slip block (331) can attract the magnet (442) mutually, and when the anti-slip block (331) attracts the magnet (442) mutually, the opening of the through hole (411) faces to the adjacent bracket (2).

5. A utility tunnel according to claim 1, characterized in that: the locking rope (42) comprises a main rope (421) and at least two auxiliary ropes (422) with ends connected to the clamping block (43), and the other ends of the auxiliary ropes (422) are connected with the main rope (421).

6. A utility tunnel according to claim 5, characterized in that: the shell (41) is provided with a stop component (5), the stop component (5) comprises a first stop block (51) connected to the shell (41) and a second stop block (52) arranged on the shell (41) in a sliding way, the first stop block (51) and the second stop block (52) are both provided with stop grooves (53) with the number consistent with that of the auxiliary ropes (422), the second stop block (52) can slide to be jointed with the first stop block (51), the second stop block (52) slides to be jointed with the first stop block (51), the stop grooves (53) on the first stop block (51) and the second stop block (52) are enclosed to form a stop hole for the auxiliary rope (422) to pass through, a convex block (54) is arranged on the groove wall of the stop groove (53), a hook (521) is arranged on the second stop block (52), the first stop block (51) is provided with a clamping groove (511) which is used for clamping and matching with the clamping hook (521).

7. A utility tunnel according to claim 1, characterized in that: the improved ejection device is characterized in that an ejection groove (47) communicated with the through hole (411) is formed in the shell (41), the opening of the ejection groove (47) faces the opening of the through hole (411), an ejection block (471) is arranged in the ejection groove (47) in a sliding mode, a second guide rod (472) is connected to the ejection block (471), the end portion of the second guide rod (472) penetrates through the outer side of the shell (41), and an ejection spring (474) used for driving the ejection block (471) to move into the through hole (411) is connected to the second guide rod (472).

8. A utility tunnel according to claim 7, characterized in that: the crossbearer (21) comprises a plurality of cross rods (211) which are arranged along the horizontal direction, each layer is connected with extension rods (212) on at least two adjacent cross rods (211) in the crossbearer (21), positioning blocks (46) are connected on two back outer walls of the shell (41), and positioning holes (461) for the extension rods (212) and the cross rods (211) to be inserted are formed in the positioning blocks (46).

9. A utility tunnel according to claim 1, characterized in that: the moving rod (34) is connected with a reel (341) in a rotating mode, and the end portion, far away from the clamping mechanism (4), of the hoisting rope (33) is fixed on the reel (341).