CN216277962U - Excavation supporting operation platform truck with adjustable tunnel - Google Patents
Excavation supporting operation platform truck with adjustable tunnel Download PDFInfo
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- CN216277962U CN216277962U CN202122907206.0U CN202122907206U CN216277962U CN 216277962 U CN216277962 U CN 216277962U CN 202122907206 U CN202122907206 U CN 202122907206U CN 216277962 U CN216277962 U CN 216277962U
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Abstract
The utility model discloses an adjustable tunnel excavation supporting operation trolley which comprises a dome structure and sliding supporting structures supported at two sides of the bottom of the dome structure; the dome structure comprises an outer arc-shaped steel plate and an inner arc-shaped steel plate, an energy absorption component is welded between the outer arc-shaped steel plate and the inner arc-shaped steel plate, the outer arc-shaped steel plate and the inner arc-shaped steel plate form an interval through the energy absorption component, closed plates are arranged at two ends of the interval, and an energy absorption device is matched between the closed plates and the sliding support structure; the supporting height of the energy absorption device is adjustable; the supporting height of the energy absorption device in the device is adjustable, and the supporting height of the dome structure can be reasonably adjusted according to the height of the tunnel.
Description
Technical Field
The utility model relates to an adjustable excavation supporting operation trolley for a tunnel.
Background
In the tunneling construction of the tunnel, the tunnel after tunneling needs to be temporarily supported so as to reduce the probability of collapse.
The existing supporting modes comprise two modes, one mode is that movable supporting is carried out through a supporting trolley, the other mode is that fixed position supporting is built, and the supporting position of the fixed position supporting cannot be reasonably adjusted along with the advancing work.
In practical application, the top of the existing movable support is of a single-layer steel plate structure, so that support failure can be caused by local desoldering or deformation, and potential safety hazards exist.
Therefore, the adjustable tunnel excavation supporting operation trolley with the good protection effect is designed.
Disclosure of Invention
The utility model aims to provide an adjustable tunnel excavation supporting operation trolley with a good protection effect.
In order to solve the problems, the utility model adopts the following technical scheme:
a tunnel adjustable excavation supporting operation trolley comprises a dome structure and sliding supporting structures supported at two sides of the bottom of the dome structure;
the dome structure comprises an outer arc-shaped steel plate and an inner arc-shaped steel plate, an energy absorption component is welded between the outer arc-shaped steel plate and the inner arc-shaped steel plate, the outer arc-shaped steel plate and the inner arc-shaped steel plate form an interval through the energy absorption component, closed plates are arranged at two ends of the interval, and an energy absorption device is matched between the closed plates and the sliding support structure; the support height of the energy absorption device is adjustable.
Preferably, the energy absorbing member comprises an outer shell made of spring steel, the outer shell is cylindrical, a rubber inner core is arranged inside the outer shell, the rubber inner core is provided with a hollow hole, and the rubber inner core and the outer shell are in transition fit; the outer shell is welded and fixed with the outer arc-shaped steel plate and the inner arc-shaped steel plate respectively.
When the tunnel top is locally collapsed, a compression force is formed outside the outer arc-shaped steel plate, and energy is absorbed through the deformation of the outer arc-shaped steel plate and the elastic deformation of the energy absorption member.
Preferably, the sliding support structure comprises a support, the upper end of the support is vertically bent to form an upper support plate, the lower end of the support is vertically bent to form a lower support plate, the upper support plate and the lower support plate are in the same direction, the energy absorption device is matched with the upper support plate, a bearing is arranged at the top of the lower support plate, a wheel shaft is matched through the bearing, and steel rollers are matched at two ends of the wheel shaft; and a steel pipe is welded between the longitudinally adjacent brackets.
In the technical scheme, the two ends of each single wheel shaft are provided with the rollers, so that the stability of the single support is improved, and the steel pipes are welded between the vertically adjacent supports to connect the supports, so that the stability is improved.
Preferably, the energy absorption device comprises a screw rod and a guide rod which are fixed at the bottom of the closing plate, the screw rod and the guide rod vertically penetrate downwards to the upper supporting plate, an adjusting nut is matched on the screw rod, an energy absorption spring is sleeved on the screw rod, and the energy absorption spring acts on the adjusting nut and the upper supporting plate.
Preferably, inverted V-shaped connecting frames are welded between the tops of the left and right supports, and cross bars are welded on the inner sides of the connecting frames.
The connecting frame is arranged to increase the connecting strength between two transversely adjacent brackets, so that the four brackets in the rectangular array form a firm whole to give a better support to the dome structure.
The utility model has the beneficial effects that:
1. the device is slidable and can adjust the position along with tunneling;
2. the dome structure in the device is an upper layer structure and a lower layer structure, the protection capability is stronger, and the energy-absorbing member is arranged in the device, so that the elastic supporting effect can be provided for the outer arc-shaped steel plate; the protection capability is increased;
3. the supporting height of the energy absorption device in the device is adjustable, and the supporting height of the dome structure can be reasonably adjusted according to the height of the tunnel;
4. the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a schematic structural view of the sliding support structure.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, the adjustable tunnel excavation supporting operation trolley comprises a dome structure 1 and sliding support structures 2 supported at two sides of the bottom of the dome structure 1;
the dome structure 1 comprises an outer arc-shaped steel plate 101 and an inner arc-shaped steel plate 102, an energy absorption member 3 is welded between the outer arc-shaped steel plate 101 and the inner arc-shaped steel plate 102, the outer arc-shaped steel plate 101 and the inner arc-shaped steel plate 102 form an interval through the energy absorption member 3, two ends of the interval are provided with a sealing plate 103, and an energy absorption device 4 is matched between the sealing plate 103 and the sliding support structure 2; the support height of the energy-absorbing device 4 is adjustable.
In a preferred embodiment of the present invention, the energy absorbing member 3 comprises an outer shell 301 made of spring steel, the outer shell 301 is cylindrical, a rubber inner core 302 is disposed inside the outer shell 301, the rubber inner core 302 has a hollow hole 303, and the rubber inner core 302 and the outer shell 301 are in transition fit; the outer shell 301 is welded and fixed with the outer arc-shaped steel plate 101 and the inner arc-shaped steel plate 102 respectively.
When the tunnel top is locally collapsed, a compression force is formed outside the outer arc-shaped steel plate, and energy is absorbed through the deformation of the outer arc-shaped steel plate and the elastic deformation of the energy absorption member.
In a preferred embodiment of the present invention, the sliding support structure 2 includes a bracket 201, an upper end of the bracket 201 is vertically bent to form an upper support plate 202, a lower end of the bracket 201 is vertically bent to form a lower support plate 203, the upper support plate 202 and the lower support plate 203 are in the same direction, the energy absorbing device 4 is matched with the upper support plate 202, a bearing 204 is disposed on the top of the lower support plate 203, a wheel shaft 205 is matched through the bearing 204, and two ends of the wheel shaft 205 are matched with steel rollers 206; a steel pipe 207 is welded between the longitudinally adjacent brackets 201.
In the technical scheme, the two ends of each single wheel shaft are provided with the rollers, so that the stability of the single support is improved, and the steel pipes are welded between the vertically adjacent supports to connect the supports, so that the stability is improved.
In a preferred embodiment of the present invention, the energy absorbing device 4 includes a screw 401 and a guide rod 402 fixed at the bottom of the closing plate 103, the screw 401 and the guide rod 402 both vertically penetrate the upper support plate 202, the screw 401 is matched with an adjusting nut 403, an energy absorbing spring 404 is sleeved on the screw 401, and the energy absorbing spring 404 acts between the adjusting nut 403 and the upper support plate 202; the energy absorbing spring 404 is located on the upper portion of the upper support plate 202.
In a preferred embodiment of the present invention, a v-shaped connecting frame 221 is welded between the tops of the left and right brackets 201, and a cross bar 222 is welded inside the connecting frame 221.
The connecting frame is arranged to increase the connecting strength between two transversely adjacent brackets, so that the four brackets in the rectangular array form a firm whole to give a better support to the dome structure.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an excavation support operation platform truck with adjustable tunnel which characterized in that: the sliding support structure is supported at two sides of the bottom of the dome structure;
the dome structure includes outer arc steel sheet and interior arc steel sheet outer arc steel sheet with the welding has the energy-absorbing component between the interior arc steel sheet, outer arc steel sheet and interior arc steel sheet pass through the energy-absorbing component forms an interval, is provided with the closure plate in the both ends department at this interval, the closure plate with the cooperation has the energy-absorbing device between the sliding support structure.
2. The adjustable excavation supporting operation trolley for the tunnel according to claim 1, wherein: the energy absorption member comprises a shell made of spring steel, the shell is cylindrical, a rubber inner core is arranged inside the shell, the rubber inner core is provided with a hollow hole, and the rubber inner core and the shell are in transition fit; the outer shell is welded and fixed with the outer arc-shaped steel plate and the inner arc-shaped steel plate respectively.
3. The adjustable excavation supporting operation trolley for the tunnel according to claim 1, wherein: the sliding support structure comprises a support, the upper end of the support is vertically bent to form an upper support plate, the lower end of the support is vertically bent to form a lower support plate, the upper support plate and the lower support plate are in the same direction, the energy absorption device is matched with the upper support plate, a bearing is arranged at the top of the lower support plate, a wheel shaft is matched through the bearing, and two ends of the wheel shaft are matched with steel rollers; and a steel pipe is welded between the longitudinally adjacent brackets.
4. The adjustable excavation supporting operation trolley for the tunnel according to claim 3, wherein: the energy absorbing device is including being fixed in screw rod and the guide arm of the bottom of closure plate, screw rod and guide arm all pass perpendicularly downwards go up the backup pad, the cooperation has adjusting nut on the screw rod the cover is equipped with energy absorbing spring on the screw rod, energy absorbing spring act on adjusting nut with go up between the backup pad.
5. The adjustable excavation supporting operation trolley for the tunnel according to claim 3, wherein: a V-shaped connecting frame is welded between the tops of the left and right supports, and a cross rod is welded on the inner side of the connecting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122907206.0U CN216277962U (en) | 2021-11-25 | 2021-11-25 | Excavation supporting operation platform truck with adjustable tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122907206.0U CN216277962U (en) | 2021-11-25 | 2021-11-25 | Excavation supporting operation platform truck with adjustable tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277962U true CN216277962U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122907206.0U Active CN216277962U (en) | 2021-11-25 | 2021-11-25 | Excavation supporting operation platform truck with adjustable tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277962U (en) |
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2021
- 2021-11-25 CN CN202122907206.0U patent/CN216277962U/en active Active
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