CN214532993U

CN214532993U - Tunnel secretly digs interim braced system of lining cutting construction platform truck

Info

Publication number: CN214532993U
Application number: CN202120739360.9U
Authority: CN
Inventors: 常小华
Original assignee: Chongqing Yongang Industrial Co ltd
Current assignee: Chongqing Yongang Industrial Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-10-29
Anticipated expiration: 2031-04-12

Abstract

The utility model relates to a tunnel undercut lining cutting construction trolley temporary support system, it includes a plurality of adjusting device that set up in trolley main part bottom, and the bottom of trolley main part is provided with running gear, adjusting device includes telescopic machanism and guiding mechanism, guiding mechanism includes adjustment piece and adjustment driving piece, the adjustment piece includes the adjustment seat, telescopic machanism's flexible end slides and connects in the adjustment seat, telescopic machanism fixed connection is in the trolley main part, the adjustment driving piece includes adjustment motor and coaxial fixed connection in the adjustment axle of adjustment motor output shaft, adjustment axle perpendicular to running gear's walking direction, threaded connection is worn to establish by the adjustment axle in telescopic machanism's flexible end, the adjustment axle rotates to be connected in the adjustment seat. The application can adjust the adaptability according to the construction position.

Description

Tunnel secretly digs interim braced system of lining cutting construction platform truck

Technical Field

The application relates to the field of tunnel construction equipment, in particular to a temporary support system of a tunnel underground excavation lining construction trolley.

Background

Along with the expansion of capital construction, lining is often done to the inner wall of tunnel by adopting a lining platform truck, and when the current formwork platform truck is used, a track for walking needs to be laid firstly, the platform truck is arranged on the track, and the construction is carried out after the platform truck walks to a construction position. And the steel form of present lining cutting platform truck generally all is including the cope match-plate pattern with articulate the side form board in the cope match-plate pattern, the steel form sets up in the top of platform truck frame to adjust the steel form through a plurality of hydraulic cylinder, the steel form sets up to a plurality of and splices each other, when adopting the steel form outside to carry out concrete placement, pour the side earlier, pour the top again, but this kind of pouring can lead to producing the gap between the concrete in the pouring space great relatively, make the lining cutting intensity in tunnel low and the quality poor relatively.

In the existing related technology, chinese patent with application number CN201910056574.4 discloses a tunnel main tunnel lining formwork trolley, which has the technical key points that: the trolley frame comprises trolley frames, a steel template, a template adjusting rolling mechanism, a travelling mechanism, hydraulic pressure and an electrical control system, wherein the trolley frames are arranged into two parts and are respectively arranged at the front end and the rear end of the steel template, a lower longitudinal beam is connected between the two sides of the trolley frames, the travelling mechanism is arranged at the bottom of the lower longitudinal beam, a supporting platform is fixedly arranged on the front side wall of the trolley frame positioned on the front side of the steel template, and the hydraulic pressure and the electrical control system are arranged on the supporting platform.

In view of the above-mentioned related technologies, the inventor believes that when the existing lining trolley is used, the trolley frame is moved to a position where lining is needed only through the traveling mechanism, and when centering is needed, if position deviation occurs, centering is relatively inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to be relatively convenient and fast to do adaptive adjustment according to the construction position, the application provides a temporary support system of a tunnel underground excavation lining construction trolley.

The application provides an advertisement translation door structure adopts following technical scheme:

the utility model provides an advertisement translation door structure, includes a plurality of adjusting device that set up in platform truck main part bottom, and the bottom of platform truck main part is provided with running gear, adjusting device includes telescopic machanism and guiding mechanism, guiding mechanism includes adjustment piece and adjustment driving piece, the adjustment piece includes the adjustment seat, telescopic machanism's flexible end slides and connects in the adjustment seat, telescopic machanism fixed connection is in the platform truck main part, the adjustment driving piece includes adjustment motor and coaxial fixed connection in the adjustment axle of adjustment motor output shaft, adjustment axle perpendicular to running gear's walking direction, threaded connection is worn to establish and in telescopic machanism's flexible end by the adjustment axle, the adjustment axle rotates to be connected in the adjustment seat.

Through adopting above-mentioned technical scheme, advancing the platform truck main part to the construction position through running gear, when needing to make the relative tunnel centering of platform truck main part, only need stretch out earlier through telescopic machanism's flexible end and make adjusting device support and locate predetermined rail, make the relative ground of running gear break away from, and with platform truck main part lifting, support in order to do interim construction, then rotate through adjustment motor drive adjusting shaft, so that telescopic machanism's flexible end slides along the axial of adjusting shaft, can adjust the relative tunnel width direction's of platform truck main part position, in order to do centering adjustment.

Optionally, the adjusting seat is channel-section steel column structure, the adjusting part still includes the guide rail of fixed connection in adjusting seat both sides board, the guide rail is on a parallel with the adjusting axle, the guide rail slides and is connected with the slide, telescopic machanism's flexible end ball articulates in the slide.

Through adopting above-mentioned technical scheme, telescopic machanism's flexible end slides through the slide and connects in the guide rail, and makes telescopic machanism's flexible end slide and connect in the adjustment seat, and telescopic machanism's flexible end ball articulates in the slide simultaneously, can do small angular adjustment according to the support condition of reality to the adaptability of optimizing use.

Optionally, the slide is provided with the piece that slides, the piece that slides includes a plurality of rollers and two go-between that slide that set up around the guide rail center, the go-between is the level setting for elastic ring and the central axis, the central axis perpendicular to adjustment axis of go-between, the guide rail is located to the go-between cover, the both ends of the roller that slides rotate respectively and connect in two go-between, the slide supports and locates a plurality of rollers that slide.

Through adopting above-mentioned technical scheme, when the slide slided along the guide rail, the slide can also make a plurality of rollers that slide can encircle the guide rail setting through the go-between when locating the hindrance that a plurality of rollers that slide can effectual reduction slide and receive through supporting to can make the slide shift to the optional position homoenergetic of guide rail and support and locate the roller that slides, with optimization result of use.

Optionally, encircle the guide ring groove has been seted up at the center of guide rail, the central axis of guide ring groove is the level and perpendicular to adjustment shaft, and is a plurality of the roller that slides all blocks and locates in the guide ring groove.

By adopting the technical scheme, when the sliding roller rolls relative to the guide rail, the sliding roller can be guided by the guide ring groove, so that the use stability is optimized.

Optionally, two ends of the guide rail respectively penetrate through two side plates of the adjusting seat, two side walls of the guide rail are respectively provided with a limiting groove, the opening direction of the limiting groove is parallel to the sliding roller, the bottom of the sliding seat is fixedly connected with two limiting bosses, and the two limiting bosses are respectively buckled in the limiting grooves.

Through adopting above-mentioned technical scheme, the slide can be through two spacing boss locks in the spacing inslot, and when making the slide can slide and connect in the guide rail, can also when not needing interim support, with the whole promotion of adjustment seat.

Optionally, the telescopic mechanism includes at least one telescopic piece and a guide piece, the guide piece includes a guide tube and a guide post fixedly connected to the bottom of the trolley main body, the upper end of the guide post is inserted into the guide tube, the lower end of the guide post is hinged to the sliding seat through a ball, and the telescopic end of the telescopic piece is hinged to the guide post.

By adopting the technical scheme, when the position of the trolley main body needs to be temporarily supported and adjusted, the guide column can axially slide relative to the guide tube only through the telescopic piece, and the guide column can be guided by the guide tube in a sliding manner, so that the stability during use is optimized.

Optionally, a plurality of reinforcing ribs are provided around the guide tube, the reinforcing ribs being fixedly connected to the guide tube and the trolley body.

By adopting the technical scheme, the reinforcing ribs can effectively increase the load bearing capacity of the guide tube.

Optionally, the adjusting shaft is inserted through and screwed to the middle part of the guide column.

Through adopting above-mentioned technical scheme, when can making the adjustment shaft drive the guide post and slide, reduce the moment that guide post self produced.

Optionally, the extensible member is the pneumatic cylinder and is provided with a plurality ofly, and is a plurality of extensible member encircles the guide tube setting, the flexible end and the base of extensible member articulate respectively in guide post and platform truck main part.

Through adopting above-mentioned technical scheme, when needs make the guide post stretch out and do interim support, only need to make the flexible end of a plurality of extensible members stretch out to encircle the guide tube setting through a plurality of extensible members, can make the guide tube atress relatively more even.

In summary, the present application includes at least one of the following beneficial technical effects:

1. advancing the platform truck main part to the construction position through running gear, when needing to make the relative tunnel centering of platform truck main part, only need stretch out earlier through telescopic machanism's flexible end and make adjusting device support and locate predetermined rail, make the relative ground of running gear break away from, and with platform truck main part lifting, support in order to do interim construction, then rotate through adjustment motor drive adjusting shaft, so that telescopic machanism's flexible end slides along the axial of adjusting shaft, can adjust the relative tunnel width direction's of platform truck main part position, in order to do the centering adjustment.

Drawings

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

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of an adjusting device according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a glide according to an embodiment of the present application;

fig. 5 is a partial sectional structural schematic diagram of an embodiment of the present application.

Description of reference numerals: 1. a trolley main body; 11. a bogie frame; 12. a steel form; 2. a traveling mechanism; 21. a traveling base; 22. a traveling wheel; 3. a telescoping mechanism; 31. a telescoping member; 32. a guide member; 321. a guide tube; 322. a guide post; 323. reinforcing ribs; 324. an adjustment hole; 325. an adjustment groove; 326. a drive block; 4. an adjustment mechanism; 41. an adjustment member; 411. an adjusting seat; 412. a guide rail; 413. a slide base; 414. a guide ring groove; 415. a limiting groove; 416. a limiting boss; 42. adjusting the driving member; 421. adjusting the motor; 422. an adjustment shaft; 43. a sliding member; 431. a slipping roller; 432. and (7) connecting rings.

Detailed Description

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

The embodiment of the application discloses tunnel undercut lining construction platform truck temporary support system. Referring to fig. 1 and 2, the temporary support system of the tunnel excavation lining construction trolley comprises a plurality of adjusting devices arranged at the bottom of a trolley body 1, and a plurality of traveling mechanisms 2 for traveling are further arranged at the bottom of the trolley body 1.

Referring to fig. 2 and 3, the trolley main body 1 includes a trolley frame 11 and steel formworks 12 laid on the top and side of the trolley frame 11; the traveling mechanism 2 is arranged at the bottom of the trolley frame 11, and the traveling mechanism 2 comprises a traveling base 21 fixedly connected to the bottom of the trolley frame 11 and a plurality of traveling wheels 22 rotatably connected to the traveling base 21 so as to support and drive the trolley frame 11 and the steel formwork 12 to travel. In addition, a motor can be arranged on the walking base 21 and used for driving the walking wheels 22 to rotate or adopting external power to pull the trolley frame 11 to walk integrally.

The plurality of adjusting devices are divided into two groups, and the two groups of adjusting devices are respectively arranged on the longitudinal beams at the two bottoms of the trolley frame 11 along the traveling direction. The adjusting device comprises a telescopic mechanism 3 for supporting the trolley frame 11 to ascend and descend and an adjusting mechanism 4 for adjusting the position of the trolley frame 11.

Referring to fig. 2 and 3, the telescopic mechanism 3 includes at least one telescopic member 31 and a guide member 32, the telescopic member 31 is a hydraulic cylinder and is provided in plurality, and the plurality of telescopic members 31 are provided around the guide member 32. The guiding member 32 comprises a guiding pipe 321 and a guiding column 322 fixedly connected to the longitudinal beam at the bottom of the trolley frame 11, the guiding pipe 321 and the guiding column 322 are both vertically arranged, the upper part of the guiding column 322 is inserted into the guiding pipe 321, and the guiding pipe 321 and the guiding column 322 are connected in a sliding manner. The telescopic end of the telescopic member 31 is hinged with the guide column 322, the base of the telescopic member 31 is hinged with the trolley frame 11, the lower end of the guide column 322 is hinged with the adjusting mechanism 4 through a ball, and the telescopic end of the telescopic mechanism 3 is the guide column 322.

When the platform frame is used, when the position needs to be adjusted through the adjusting mechanism 4, the guide column 322 only needs to move along the axial direction of the guide pipe 321 through the telescopic piece 31, so that the platform frame 11 integrally ascends, and then the position is adjusted through the adjusting mechanism 4 and temporary construction support is performed; after the construction is finished, the position of the trolley frame 11 is adjusted through the adjusting mechanism 4, so that the walking wheels 22 can be connected to a preset track in a rolling mode and then pulled to the next construction position.

Referring to fig. 3 and 4, a plurality of reinforcing ribs 323 are provided around the guide pipe 321, and the reinforcing ribs 323 are fixedly coupled to the guide pipe 321 and the bogie frame 11 for increasing stability of coupling of the guide pipe 321 and the bogie body 1.

The adjusting mechanism 4 comprises an adjusting part 41 and an adjusting driving part 42, the adjusting part 41 comprises an adjusting seat 411 and a guide rail 412, the adjusting seat 411 is of a channel steel-shaped structure and has an upward opening, and two side plates of the adjusting seat 411 are parallel to the traveling direction of the traveling mechanism 2. The guide rail 412 is inserted through and fixedly connected to two side plates of the adjusting seat 411, the guide rail 412 is slidably connected to a sliding seat 413, and the lower end of the guide post 322 is pivotally connected to the sliding seat 413. The adjusting driving member 42 is used for driving the guiding post 322 to slide along the guiding rail 412.

Referring to fig. 3 and 4, the sliding base 413 is provided with a sliding member 43, the sliding member 43 includes a plurality of sliding rollers 431 disposed around the center of the guide rail 412 and two connecting rings 432, and the sliding rollers 431 are disposed horizontally and parallel to the traveling direction of the bogie frame 11. The central axis of the connecting ring 432 is horizontally arranged and parallel to the central axis of the sliding roller 431, and the connecting ring 432 is sleeved on the guide rail 412. Both ends of the slip roller 431 are rotatably connected to two connection rings 432, respectively. The sliding rollers 431 above the guide rail 412 are connected to the guide rail 412 in a rolling manner, and the sliding base 413 abuts against the sliding rollers 431 on the upper surface of the guide rail 412. Wherein, the connecting ring 432 is an elastic ring, and two side plates of the adjusting seat 411 are provided with openings for accommodating the sliding rollers 431 to slide out.

When the adjusting driving member 42 drives the guiding post 322 to slide, the sliding base 413 is driven to slide relative to the guiding rail 412, and at this time, the sliding base 413 rolls relative to the guiding rail 412 through a plurality of sliding rollers 431 located above the guiding rail 412, so that the obstruction caused when the sliding base 413 slides relative to the guiding rail 412 is effectively reduced; meanwhile, when the sliding roller 431 slides out of the guide rail 412, the sliding roller 431 can move around the guide rail 412 under the action of the connecting ring 432, so that the sliding base 413 can slide to any position of the guide rail 412, the sliding roller 431 can be used for rolling support, and the using effect is effectively optimized.

In other embodiments, the connecting ring 432 may be a chain, so that the sliding roller 431 is rotatably connected to a pin, a chain plate or a sleeve of the chain.

Referring to fig. 3 and 4, in order to reduce the possibility that the sliding rollers 431 slide out of the guide rail 412, a guide ring groove 414 is formed around the center of the guide rail 412, the central axis of the guide ring groove 414 is horizontally arranged, the opening of the guide ring groove faces the direction away from the center of the guide rail 412, the central axis of the guide ring groove 414 is parallel to the sliding rollers 431, and the sliding rollers 431 are partially clamped in the guide ring groove 414 to guide the sliding rollers 431, so that the stability in use is optimized.

Referring to fig. 3, the two side walls of the guide rail 412 have respectively been provided with a limiting groove 415, the opening direction of the limiting groove 415 is parallel to the sliding roller 431, the bottom of the sliding seat 413 is fixedly connected with two limiting bosses 416, the lower end of the limiting boss 416 extends vertically downwards first, and then extends horizontally and buckles in the limiting groove 415, so that the two limiting bosses 416 are buckled in the two limiting grooves 415 respectively, and the two side walls of the limiting groove 415 coincide with the opposite side plates of the two side plates of the adjusting seat 411 respectively, so that the sliding seat 413 is connected to the guide rail 412 in a relatively stable sliding manner, and when the extensible member 31 contracts, the adjusting seat 411 is buckled in the limiting groove 415 through the limiting bosses 416, and the adjusting seat 411 is integrally lifted.

Referring to fig. 3, the adjusting driving member 42 includes an adjusting motor 421 fixedly connected to the adjusting base 411 and an adjusting shaft 422, the adjusting shaft 422 penetrates through and is rotatably connected to two side plates of the adjusting base 411, and the adjusting shaft 422 is coaxially and fixedly connected to an output shaft of the adjusting motor 421. The adjusting shaft 422 is a screw, and the adjusting shaft 422 is inserted into and threaded with the guiding post 322, so that when the position of the bogie frame 11 needs to be adjusted, the adjusting shaft 422 is driven to rotate by the adjusting motor 421, and the guiding post 322 can be driven to slide along the length direction of the guiding rail 412.

Referring to fig. 3 and 5, in order to reduce the possibility that the adjustment shaft 422 may bend due to the load applied to the adjustment shaft 422 from the guide post 322. The guiding column 322 is provided with an adjusting hole 324 extending along the axial direction of the adjusting shaft 422, and the adjusting hole 324 is a square hole or a long-strip-shaped hole. The two vertical side walls of the adjusting hole 324 are respectively provided with an adjusting groove 325 which vertically extends, a driving block 326 is arranged in the adjusting hole 324, the adjusting shaft 422 penetrates through and is in threaded connection with the driving block 326, and the adjusting shaft 422 is in threaded connection with the guide column 322 through the driving block 326.

The vertical edges of the two sides of the driving block 326 are respectively clamped and abutted in the adjusting groove 325, so that the driving block 326 can vertically slide along the adjusting groove 325 and can limit the axial rotation of the driving block 326.

Therefore, when the adjusting shaft 422 rotates, the guide post 322 can be driven to slide by the sliding of the driving block 326, and when the guide post 322 applies pressure to the sliding seat 413, the pressure applied to the adjusting shaft 422 can be effectively reduced by the vertical sliding of the driving block 326, so that the using effect is optimized.

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 tunnel undercut lining construction platform truck temporary support system which characterized in that: comprises a plurality of adjusting devices arranged at the bottom of a trolley main body (1), a walking mechanism (2) is arranged at the bottom of the trolley main body (1), the adjusting device comprises a telescopic mechanism (3) and an adjusting mechanism (4), the adjusting mechanism (4) comprises an adjusting piece (41) and an adjusting driving piece (42), the adjusting piece (41) comprises an adjusting seat (411), the telescopic end of the telescopic mechanism (3) is connected to the adjusting seat (411) in a sliding way, the telescopic mechanism (3) is fixedly connected with the trolley main body (1), the adjusting driving part (42) comprises an adjusting motor (421) and an adjusting shaft (422) coaxially and fixedly connected with an output shaft of the adjusting motor (421), the adjusting shaft (422) is perpendicular to the traveling direction of the traveling mechanism (2), the adjusting shaft (422) penetrates through and is in threaded connection with the telescopic end of the telescopic mechanism (3), and the adjusting shaft (422) is rotatably connected with the adjusting seat (411).

2. The temporary support system of the tunnel undercut lining construction trolley according to claim 1, wherein: adjusting seat (411) are channel-section steel column structure, adjusting part (41) still include guide rail (412) of fixed connection in adjusting seat (411) both sides board, guide rail (412) are on a parallel with adjusting axle (422), guide rail (412) slide and are connected with slide (413), the flexible end ball of telescopic machanism (3) articulates in slide (413).

3. The temporary support system of the tunnel undercut lining construction trolley according to claim 2, wherein: slide (413) are provided with slide (43), slide (43) include a plurality of roller (431) and two go-between (432) that slide that set up around guide rail (412) center, go-between (432) are the level setting for elastic ring and the central axis, the central axis perpendicular to adjustment shaft (422) of go-between (432), guide rail (412) are located to go-between (432) cover, the both ends of the roller (431) that slide rotate respectively and connect in two go-between (432), slide (413) are to locating a plurality of rollers (431) that slide.

4. The temporary support system of the tunnel undercut lining construction trolley according to claim 3, wherein: the center that encircles guide rail (412) has seted up guide ring groove (414), the central axis of guide ring groove (414) is the level and perpendicular to adjusting shaft (422), and is a plurality of roller (431) that slide all block locate in guide ring groove (414).

5. The temporary support system of the tunnel undercut lining construction trolley according to claim 3, wherein: the two ends of the guide rail (412) are respectively penetrated through the two side plates of the adjusting seat (411), the two side walls of the guide rail (412) are respectively provided with a limiting groove (415), the opening direction of the limiting groove (415) is parallel to the sliding roller (431), the bottom of the sliding seat (413) is fixedly connected with two limiting bosses (416), and the two limiting bosses (416) are respectively buckled in the limiting groove (415).

6. The temporary support system of the tunnel undercut lining construction trolley according to claim 2, wherein: the telescopic mechanism (3) comprises at least one telescopic piece (31) and a guide piece (32), the guide piece (32) comprises a guide pipe (321) and a guide column (322) which are fixedly connected to the bottom of the trolley main body (1), the upper end of the guide column (322) is inserted into the guide pipe (321), the lower end of the guide column (322) is hinged to the sliding seat (413) through a ball, and the telescopic end of the telescopic piece (31) is hinged to the guide column (322).

7. The temporary support system of the tunnel undercut lining construction trolley according to claim 6, wherein: a plurality of reinforcing ribs (323) are arranged around the guide pipe (321), and the reinforcing ribs (323) are fixedly connected to the guide pipe (321) and the trolley main body (1).

8. The temporary support system of the tunnel undercut lining construction trolley according to claim 6, wherein: the adjusting shaft (422) penetrates through and is in threaded connection with the middle part of the guide post (322).

9. The temporary support system of the tunnel undercut lining construction trolley according to claim 6, wherein: the telescopic piece (31) is a hydraulic cylinder and is provided with a plurality of telescopic pieces (31) which are arranged around the guide pipe (321), and the telescopic end and the base of the telescopic piece (31) are respectively hinged to the guide column (322) and the trolley main body (1).