CN216277874U - Trolley supporting system for tunnel construction - Google Patents
Trolley supporting system for tunnel construction Download PDFInfo
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- CN216277874U CN216277874U CN202122506757.6U CN202122506757U CN216277874U CN 216277874 U CN216277874 U CN 216277874U CN 202122506757 U CN202122506757 U CN 202122506757U CN 216277874 U CN216277874 U CN 216277874U
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Abstract
The utility model discloses a trolley supporting system for tunnel construction, which comprises a trolley, wherein the trolley comprises a frame, a bottom supporting structure is telescopically and adjustably arranged below the frame, a top supporting structure is telescopically and adjustably arranged above the frame, and a rear supporting structure is telescopically and adjustably arranged at the rear part of the frame, which is far away from the side to be constructed, characterized in that an equipment placing cabin for placing construction equipment is arranged in the trolley. The advantage has equipment to place the cabin in the platform truck, places the cabin through equipment and is used for placing construction equipment for the platform truck can load construction equipment when possessing basic supporting role, and the construction is used in the tunnel of being convenient for, has realized the extension of function diversification.
Description
Technical Field
The utility model relates to the field of tunnel construction, in particular to a trolley supporting system for tunnel construction.
Background
With the rapid development of cities, overground spaces become more and more limited, underground space development is a necessary trend of future city development, tunnel engineering has been developed into an important engineering in the underground space development process, and a contact channel is often required to be built between two tunnels in the tunnel construction process. According to the stipulation in the subway design specification, in urban rail transit construction, when the coherent length of a tunnel between two single line interval tunnels is more than 600 meters, a communication channel is required to be arranged for fire evacuation, and in urban rail transit, as lines are located below roads and buildings, open excavation or ground reinforcement conditions are not provided.
At present, two construction methods are generally adopted for the construction of the communication channel: one method is the mining method undercut (namely the freezing method), the mining method undercut is adopted to carry out the construction of the contact channel, the freezing reinforcement is needed, and due to the limitation of the process, the freezing method has larger construction risk and potential safety hazard, so that the safety is difficult to guarantee, the potential quality hazard is larger, the uneven settlement is easy to cause, the construction period is long, and the construction cost is high; the other method is mechanical construction, which is a new construction method in recent years, and the method has the advantages of safe and reliable construction, short period, low energy requirement, small capital investment and suitability for most working conditions.
Because of the particularity of the mechanical construction, the main tunnel needs to be supported in the construction process, for example, the chinese patent publication CN109057804A discloses a pipe-jacking initial frame support system for constructing a tunnel connection channel, which comprises a bottom top support structure fixed at the bottom of the initial frame, a top support structure fixed at the top of the initial frame, and a side top support structure fixed at one side of the initial frame far away from the connection channel to be constructed. The supporting system with the structure only has the conventional supporting function and single function.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a multifunctional trolley support system for tunnel construction.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a platform truck braced system for tunnel construction, includes the platform truck, the platform truck include the frame, the below of frame be provided with bottom sprag structure with scalable regulation, the top of frame be provided with top sprag structure with scalable regulation, the frame keep away from and be provided with rear portion bearing structure with scalable regulation of rear portion of treating the construction side, the platform truck in have the equipment that is used for laying construction equipment and place the cabin.
The frame on vertically be provided with four support post, four support post set up the frame on enclose and establish into a square equipment place the cabin, the bottom in equipment place the cabin be provided with equipment supporting mechanism. The equipment support mechanism provides a stable support orientation for the associated equipment placed within the equipment placement compartment.
The frame on be provided with and be used for placing equipment supporting mechanism place the cavity, equipment supporting mechanism set up place the cavity in. The concave cavity is arranged to provide stable installation positioning for the equipment supporting mechanism.
The equipment supporting mechanism comprises a bottom support, a positioning cavity for placing equipment is arranged on the bottom support, leg assemblies are respectively arranged on the left side and the right side of the bottom support, each leg assembly comprises a front supporting leg and a rear supporting leg, the rear end of the front supporting leg extends into the bottom support, the front end of the rear supporting leg extends into the bottom support, the front supporting leg and the rear supporting leg in the same leg assembly are connected through a supporting hydraulic jack to realize forward and backward extension of the front supporting leg and the rear supporting leg in the bottom support, adjusting gaps are respectively arranged between the left end face of the bottom support and the left inner end face of the placing cavity, between the right end face of the bottom support and the right inner end face of the placing cavity, two adjusting hydraulic jacks are respectively arranged between the bottom support and the rear end of the frame from back to front, the left and right sides of the two adjusting hydraulic jacks are arranged at intervals in parallel, the two adjusting hydraulic jacks are arranged between the two supporting leg assemblies, the front ends of the adjusting hydraulic jacks stretch into and are fixedly arranged inside the bottom supports, the rear ends of the frames are provided with two positioning seats in a matched mode, and the rear ends of the adjusting hydraulic jacks are fixedly arranged on the positioning seats corresponding to the positions. The adjustable position of laying of equipment is realized to above-mentioned structure, and after the position adjustment tared in place, through supporting hydraulic jack with preceding supporting leg and back supporting leg strut, make it withstand the tunnel inner wall forward backward to realize equipment supporting mechanism's stable support, avoid arranging equipment on it and taking place to topple in the course of the work.
The trolley is provided with a hydraulic station for providing power sources for the supporting hydraulic jack and the adjusting hydraulic jack. The support hydraulic jack and the adjusting hydraulic jack are powered by an external hydraulic station, and the two adjusting hydraulic jacks are independently controlled to realize fine adjustment of the left and right positions of the bottom support.
The front end of the front supporting leg is provided with a front boot support, the rear end of the rear supporting leg is provided with a rear boot support, and the front end face of the front boot support and the rear end face of the rear boot support are respectively matched with the inner wall face of the main tunnel at the corresponding position. The stable support is realized through the boot support.
The side of frame to be under construction be provided with anterior bearing structure with scalable regulation, anterior bearing structure be two, anterior bearing structure set up the equipment place the left and right sides in cabin. And further stable top bracing of the whole trolley in the tunnel is realized.
The bottom supporting structure is provided with a bottom top supporting surface matched with the inner wall surface of the main tunnel, the top supporting structure is provided with a top supporting surface matched with the inner wall surface of the main tunnel, the rear supporting structure is provided with a rear top supporting surface matched with the inner wall surface of the main tunnel, and the front supporting structure is provided with a front top supporting surface matched with the inner wall surface of the main tunnel. And a sufficiently large contact area is ensured between the main tunnel and the inner wall of the main tunnel during jacking, and the stability of the jacking is ensured.
The supporting upright posts are of hollow structures;
the bottom supporting structure comprises a bottom supporting jacking block and a bottom hydraulic jack, the upper end of the bottom hydraulic jack fixedly extends into the supporting upright column from bottom to top, the bottom supporting jacking block is fixedly arranged at the lower end of the bottom hydraulic jack, and the bottom end surface of the bottom supporting jacking block is a bottom jacking surface;
the top supporting structure comprises a top supporting jacking block and a top hydraulic jack, the lower end of the top hydraulic jack fixedly extends into the supporting upright column from top to bottom, the top supporting jacking block is fixedly arranged at the upper end of the top hydraulic jack, and the top end surface of the top supporting jacking block is the top jacking surface;
the rear supporting structure comprises a rear supporting jacking block and a rear hydraulic jack, the front end of the rear hydraulic jack fixedly extends into the supporting upright post from back to front, the rear supporting jacking block is fixedly arranged at the rear end of the rear hydraulic jack, and the rear end surface of the rear supporting jacking block is the rear jacking surface;
the front supporting structure comprises a front supporting jacking block and a front hydraulic jack, the rear end of the front hydraulic jack fixedly extends into the supporting upright post from front to back, the front supporting jacking block is fixedly arranged at the front end of the front hydraulic jack, and the front end surface of the front supporting jacking block is the front jacking surface;
and a hydraulic station for providing power sources for the bottom hydraulic jack, the top hydraulic jack, the rear hydraulic jack and the front hydraulic jack which are arranged in the supporting upright columns is arranged in each supporting upright column. The support column provides stable installation location for the installation of each hydraulic jack when playing the whole supporting role, and the support column is hollow, can arrange the hydraulic pressure station that is used for providing the power supply in the support column, and the rational utilization space for entire system structure is comparatively compact.
Compared with the prior art, the utility model has the advantages that: the device placing cabin is arranged in the trolley, and the device placing cabin is used for placing construction equipment, so that the trolley can be loaded with the construction equipment while having a basic supporting effect, construction in a tunnel is facilitated, and diversified functions are expanded.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a front view of the apparatus support mechanism of the present invention mounted to a vehicle frame;
FIG. 4 is a schematic view of the apparatus support mechanism of the present invention shown partially in section mounted on a vehicle frame;
FIG. 5 is a perspective view of the frame of the present invention;
FIG. 6 is a schematic perspective view of the supporting mechanism of the present invention;
FIG. 7 is a schematic view of a partial cross-sectional structure of the apparatus supporting mechanism according to the present invention;
FIG. 8 is a schematic cross-sectional view of a support post at the rear end of the present invention;
fig. 9 is a schematic sectional view of the front end support pillar according to the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in the figures, the trolley supporting system for tunnel construction comprises a trolley 1, wherein the trolley 1 comprises a frame 101, a bottom supporting structure Z1 is telescopically and adjustably arranged below the frame 101, a top supporting structure Z2 is telescopically and adjustably arranged above the frame 101, a rear supporting structure Z3 is telescopically and adjustably arranged at the rear part of the frame 101 far away from the side to be constructed, and an equipment placing cabin 10 for placing construction equipment is arranged in the trolley 1.
In this embodiment, four supporting columns 102 are vertically arranged on the frame 101, the four supporting columns 102 are arranged on the frame 101 to enclose the equipment placing chamber 10 in a square shape, and the equipment supporting mechanism 4 is arranged at the bottom of the equipment placing chamber 10. The equipment support mechanism provides a stable support orientation for the associated equipment placed within the equipment placement compartment.
In this embodiment, the carriage 101 is provided with a placing cavity 11 for placing the equipment support mechanism 4, and the equipment support mechanism 4 is disposed in the placing cavity 11. The placement of the cavity 11 provides a stable mounting orientation for the equipment support mechanism 4.
In this embodiment, the device supporting mechanism 4 includes a base support 41, a positioning cavity 411 for placing the device is provided on the base support 41, leg assemblies are respectively provided on the left and right sides of the base support 41, each leg assembly includes a front supporting leg 42 and a rear supporting leg 43, the rear end of the front supporting leg 42 extends into the base support 41, the front end of the rear supporting leg 43 extends into the base support 41, the front supporting leg 42 and the rear supporting leg 43 in the same leg assembly are connected by a supporting hydraulic jack 44 to realize forward and backward extension of the front supporting leg 42 and the rear supporting leg 43 in the base support 41, adjusting gaps J are respectively provided between the left end face of the base support 41 and the left inner end face of the placing cavity 11, between the right end face of the base support 41 and the right inner end face of the placing cavity 11, two adjusting hydraulic jacks 45 are provided between the base support 41 and the rear end of the frame 101 from front to back, two regulation hydraulic jack 45 are parallel left and right and are set up at the interval, and two regulation hydraulic jack 45 set up between two landing leg assemblies, and the front end of adjusting hydraulic jack 45 stretches into fixedly and sets up inside collet 41, and the rear end cooperation of frame 101 is provided with two positioning seats 12, and the rear end of adjusting hydraulic jack 45 is fixed to be set up on the positioning seat 12 of corresponding position. The structure realizes the adjustment of the placement position of the equipment, and after the position is adjusted in place, the front supporting leg 42 and the rear supporting leg are supported by the supporting hydraulic jack 44 to be forward and backward propped against the inner wall of the tunnel, thereby realizing the stable support of the equipment supporting mechanism 4 and avoiding the equipment arranged on the equipment supporting mechanism from overturning in the working process.
In this embodiment, the trolley 1 is provided with a hydraulic station (not shown) for providing a power source for the support hydraulic jacks 44 and the adjustment hydraulic jacks 45. The supporting hydraulic jacks 44 and the adjusting hydraulic jacks 45 are powered by an external hydraulic station, and the two adjusting hydraulic jacks 45 are independently controlled to realize fine adjustment of the left and right positions of the bottom support 41.
In this embodiment, the front end of the front support leg 42 is provided with a front shoe supporter 421, the rear end of the rear support leg 43 is provided with a rear shoe supporter 431, and the front end surface of the front shoe supporter 421 and the rear end surface of the rear shoe supporter 431 are respectively matched with the inner wall surface of the main tunnel at the corresponding positions. The stable support is realized through the boot support.
In this embodiment, the side of the vehicle frame 101 to be constructed is telescopically provided with front support structures Z4, two front support structures Z4, and two front support structures Z4 are provided on the left and right sides of the equipment placing compartment 10. And further stable top bracing of the whole trolley in the tunnel is realized.
In this particular embodiment, the bottom support structure Z1 has a bottom jacking face Z11 which mates with the inner wall face of the main tunnel, the top support structure Z2 has a top jacking face Z21 which mates with the inner wall face of the main tunnel, the rear support structure Z3 has a rear jacking face Z31 which mates with the inner wall face of the main tunnel, and the front support structure Z4 has a front jacking face Z41 which mates with the inner wall face of the main tunnel. And a sufficiently large contact area is ensured between the main tunnel and the inner wall of the main tunnel during jacking, and the stability of the jacking is ensured.
In this embodiment, the support column 102 is a hollow structure;
the bottom supporting structure Z1 comprises a bottom supporting top block Z12 and a bottom hydraulic jack Z13, the upper end of the bottom hydraulic jack Z13 fixedly extends into the supporting upright column 102 from bottom to top, the bottom supporting top block Z12 is fixedly arranged at the lower end of the bottom hydraulic jack Z13, and the bottom end face of the bottom supporting top block Z12 is a bottom supporting face Z11;
the top supporting structure Z2 comprises a top supporting jacking block Z22 and a top hydraulic jack Z23, the lower end of the top hydraulic jack Z23 fixedly extends from top to bottom and is installed in the supporting upright column 102, the top supporting jacking block Z22 is fixedly installed at the upper end of the top hydraulic jack Z23, and the top end surface of the top supporting jacking block Z22 is a top jacking surface Z21;
the rear supporting structure Z3 comprises a rear supporting top block Z32 and a rear hydraulic jack Z33, the front end of the rear hydraulic jack Z33 is fixedly inserted into the supporting upright post 102 from back to front, the rear supporting top block Z32 is fixedly arranged at the rear end of the rear hydraulic jack Z33, and the rear end surface of the rear supporting top block Z32 is a rear supporting surface Z31;
the front supporting structure Z4 comprises a front supporting top block Z42 and a front hydraulic jack Z43, the rear end of the front hydraulic jack Z43 fixedly extends into the supporting upright post 102 from front to back, the front supporting top block Z42 is fixedly arranged at the front end of the front hydraulic jack Z43, and the front end surface of the front supporting top block Z42 is a front supporting surface Z41;
within each support column 102 is located a hydraulic station Y for powering the bottom hydraulic jack Z13, the top hydraulic jack Z23, the rear hydraulic jack Z33 and the front hydraulic jack Z43 mounted therein. The supporting upright post 102 realizes integral supporting, stable installation and positioning are provided for installation of each hydraulic jack, the supporting upright post 102 is hollow, a hydraulic station Y for providing a power source can be arranged in the supporting upright post 102, and space is reasonably utilized, so that the whole system is compact in structure.
Claims (9)
1. The utility model provides a tunnel construction is with platform truck braced system, includes the platform truck, the platform truck include the frame, the below of frame be provided with bottom sprag structure with telescopically adjusting, the top of frame be provided with top sprag structure with telescopically adjusting, the frame keep away from the rear portion of treating the construction side and be provided with rear portion bearing structure with telescopically adjusting, its characterized in that the platform truck in have the equipment that is used for laying construction equipment and place the cabin.
2. The trolley support system for tunnel construction according to claim 1, wherein four support columns are vertically arranged on the trolley frame, the four support columns are arranged on the trolley frame to enclose the equipment placing cabin in a square shape, and an equipment support mechanism is arranged at the bottom of the equipment placing cabin.
3. The support system of claim 2, wherein the carriage is provided with a placement cavity for placing the device support mechanism, and the device support mechanism is disposed in the placement cavity.
4. The trolley support system of claim 3, wherein the device support mechanism comprises a base, the base is provided with a positioning cavity for placing devices, the left side and the right side of the base are respectively provided with a leg assembly, the leg assembly comprises a front support leg and a rear support leg, the rear end of the front support leg extends into the base, the front end of the rear support leg extends into the base, the front support leg and the rear support leg in the same leg assembly are connected through a support hydraulic jack to realize forward and backward extension of the front support leg and the rear support leg in the base, an adjustment gap J is respectively arranged between the left end surface of the base and the left inner end surface of the placing cavity, between the right end surface of the base and the right end surface of the placing cavity, the hydraulic support is characterized in that two adjusting hydraulic jacks are arranged between the bottom support and the rear end of the frame from front to back, the two adjusting hydraulic jacks are arranged side by side at intervals, the two adjusting hydraulic jacks are arranged between the two support leg assemblies, the front ends of the adjusting hydraulic jacks stretch into and are fixedly arranged in the bottom support, the rear end of the frame is provided with two positioning seats in a matched mode, and the rear ends of the adjusting hydraulic jacks are fixedly arranged on the positioning seats in corresponding positions.
5. A tunnel construction trolley support system as claimed in claim 4, wherein the trolley is provided with hydraulic stations for providing power to the support hydraulic jacks and the adjustment hydraulic jacks.
6. The trolley support system for tunnel construction according to claim 4, wherein the front end of the front support leg is provided with a front shoe supporter, the rear end of the rear support leg is provided with a rear shoe supporter, and the front end surface of the front shoe supporter and the rear end surface of the rear shoe supporter are respectively fitted to the inner wall surface of the main tunnel at the corresponding positions.
7. The trolley support system for tunnel construction according to claim 2, wherein the side of the trolley frame to be constructed is telescopically provided with two front support structures, and the two front support structures are provided at the left and right sides of the equipment placing compartment.
8. A tunnel construction trolley support system as claimed in claim 7, wherein the bottom support structure has a bottom top support surface for engaging the inner wall surface of the main tunnel, the top support structure has a top support surface for engaging the inner wall surface of the main tunnel, the rear support structure has a rear top support surface for engaging the inner wall surface of the main tunnel, and the front support structure has a front top support surface for engaging the inner wall surface of the main tunnel.
9. The trolley support system for tunnel construction according to claim 8, wherein the support columns are hollow structures;
the bottom supporting structure comprises a bottom supporting jacking block and a bottom hydraulic jack, the upper end of the bottom hydraulic jack fixedly extends into the supporting upright column from bottom to top, the bottom supporting jacking block is fixedly arranged at the lower end of the bottom hydraulic jack, and the bottom end surface of the bottom supporting jacking block is a bottom jacking surface;
the top supporting structure comprises a top supporting jacking block and a top hydraulic jack, the lower end of the top hydraulic jack fixedly extends into the supporting upright column from top to bottom, the top supporting jacking block is fixedly arranged at the upper end of the top hydraulic jack, and the top end surface of the top supporting jacking block is the top jacking surface;
the rear supporting structure comprises a rear supporting jacking block and a rear hydraulic jack, the front end of the rear hydraulic jack fixedly extends into the supporting upright post from back to front, the rear supporting jacking block is fixedly arranged at the rear end of the rear hydraulic jack, and the rear end surface of the rear supporting jacking block is the rear jacking surface;
the front supporting structure comprises a front supporting jacking block and a front hydraulic jack, the rear end of the front hydraulic jack fixedly extends into the supporting upright post from front to back, the front supporting jacking block is fixedly arranged at the front end of the front hydraulic jack, and the front end surface of the front supporting jacking block is the front jacking surface;
and a hydraulic station for providing power sources for the bottom hydraulic jack, the top hydraulic jack, the rear hydraulic jack and the front hydraulic jack which are arranged in the supporting upright columns is arranged in each supporting upright column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506757.6U CN216277874U (en) | 2021-10-18 | 2021-10-18 | Trolley supporting system for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506757.6U CN216277874U (en) | 2021-10-18 | 2021-10-18 | Trolley supporting system for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277874U true CN216277874U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122506757.6U Active CN216277874U (en) | 2021-10-18 | 2021-10-18 | Trolley supporting system for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277874U (en) |
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2021
- 2021-10-18 CN CN202122506757.6U patent/CN216277874U/en active Active
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