CN222025787U - Automatic running gear of tunnel excavation platform truck - Google Patents
Automatic running gear of tunnel excavation platform truck Download PDFInfo
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- CN222025787U CN222025787U CN202420428798.9U CN202420428798U CN222025787U CN 222025787 U CN222025787 U CN 222025787U CN 202420428798 U CN202420428798 U CN 202420428798U CN 222025787 U CN222025787 U CN 222025787U
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- tunnel excavation
- arm
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- support
- bottom beam
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model provides a tunnel excavation trolley automatic walking device, belongs to tunnel construction technical field, including the drive track, the fixed roof beam that erects in top of drive track, the both ends of roof beam all are provided with vertical supporting mechanism, the both ends outside of roof beam all are provided with side supporting mechanism; the side supporting mechanism is provided with a side supporting arm and a side supporting hydraulic cylinder which are hinged with the outer side of the bottom beam, a telescopic arm is arranged in one end, which is away from the bottom beam, of the side supporting arm, and a side supporting plate is hinged to the end part of the telescopic arm; the vertical support mechanism is provided with a vertical support hydraulic cylinder fixedly arranged at the end part of the bottom beam along the vertical direction, and a vertical support plate is fixedly arranged at the bottom end of the vertical support hydraulic cylinder. According to the utility model, the track is driven to drive the tunnel excavation trolley to move in the tunnel according to the construction progress, and the side support mechanisms are in contact support with the side walls of the tunnel through the contact support between the longitudinal support mechanisms and the ground, so that the stability of the tunnel excavation trolley in the construction process can be improved, and the construction safety is ensured.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction, and particularly relates to an automatic travelling device of a tunnel excavation trolley.
Background
The crawler-type tunnel excavation trolley can be widely applied to the tunneling construction of rock roadways, tunnels and culverts of departments such as mines, metallurgy, hydropower, railways, highways and the like. For example, chinese patent publication No. CN219262377U discloses a tunnel working truck with a track-type driving steering device. However, the chassis structure of the crawler belt is complex, so that the stability of the crawler belt is poor, and the crawler belt is easy to shake in the construction process, so that the construction safety is affected.
Therefore, it is necessary to design a tunnel excavation trolley stability improvement device capable of improving the stability of the tunnel excavation trolley in the construction process and guaranteeing the construction safety so as to solve the technical problems faced at present.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides the automatic travelling device for the tunnel excavation trolley, which can improve the stability of the tunnel excavation trolley in the construction process and ensure the construction safety.
The technical scheme of the utility model is as follows: the automatic travelling device of the tunnel excavation trolley is characterized by comprising a driving crawler, wherein a bottom beam is arranged on a fixing frame above the driving crawler, longitudinal supporting mechanisms are arranged at two ends of the bottom beam, and side supporting mechanisms are arranged at the outer sides of the two ends of the bottom beam; the side supporting mechanism is provided with a side supporting arm and a side supporting hydraulic cylinder which are hinged with the outer side of the bottom beam, a telescopic arm is arranged in one end, which is far away from the bottom beam, of the side supporting arm, and a side supporting plate is hinged to the end part of the telescopic arm; the vertical support mechanism is provided with a vertical support hydraulic cylinder fixedly arranged at the end part of the bottom beam along the vertical direction, and a vertical support plate is fixedly arranged at the bottom end of the vertical support hydraulic cylinder.
The side support hydraulic cylinder is hinged to the outer side of the side support arm at one end deviating from the bottom beam, one end of the telescopic arm is sleeved in the side support arm in a sliding manner, and a locking mechanism for locking or releasing the telescopic arm is arranged at the end of the side support arm.
The telescopic arm is uniformly provided with adjusting holes, the locking mechanism is a bolt-nut mechanism penetrating through the side supporting arm, and the adjusting holes are matched with the bolt-nut mechanism.
The inside of drive track has the track support, the both sides of track support all symmetry are provided with down the supporting seat, the both sides of floorbar be provided with the corresponding last supporting seat of lower supporting seat, correspond go up the supporting seat with connect through the stand between the lower supporting seat.
The outside of side backup pad is fixed and is provided with the side backing plate, the side backing plate is the rubber slab.
The bottom of the longitudinal supporting plate is fixedly provided with a bottom backing plate, and the bottom backing plate is a rubber plate.
The automatic travelling device of the tunnel excavation trolley is symmetrically arranged at the bottom of the tunnel excavation trolley, the driving crawler can drive the tunnel excavation trolley to move in the tunnel according to the construction progress, after the movement is completed, the tunnel excavation trolley is supported by contact between the longitudinal supporting mechanism and the ground, and the side supporting mechanism is supported by contact between the side supporting mechanism and the side wall of the tunnel, so that the stability of the tunnel excavation trolley in the construction process can be improved, and the construction safety is ensured.
Drawings
Fig. 1 is a schematic structural view of an automatic travelling device of a tunnel excavation trolley.
Fig. 2 is a schematic structural view of a use state of the automatic walking device of the tunnel excavation trolley.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the utility model, its application, or uses. The present utility model may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.
The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Examples
As shown in fig. 1, the automatic walking device of the tunnel excavation trolley comprises a driving crawler belt 1, wherein a bottom beam 2 is arranged on a fixed frame above the driving crawler belt 1, longitudinal supporting mechanisms 4 are arranged at two ends of the bottom beam 2, and side supporting mechanisms 5 are arranged at outer sides of two ends of the bottom beam 2; the side support mechanism 5 is provided with a side support arm 51 and a side support hydraulic cylinder 55 which are hinged with the outer side of the bottom beam 2, one end, away from the bottom beam 2, of the side support hydraulic cylinder 55 is hinged with the outer side of the side support arm 51, a telescopic arm 52 is arranged in one end, away from the bottom beam 2, of the side support arm 51, and a side support plate 53 is hinged at the end part of the telescopic arm 52; one end of the telescopic arm 52 is slidably sleeved in the side supporting arm 51, so that the actual total length of the telescopic arm 52 and the side supporting arm 51 can be adjusted according to the actual width of the tunnel, the supporting requirements of tunnels with different widths are met, a locking mechanism 57 used for locking or releasing the telescopic arm 52 is arranged at the end part of the side supporting arm 51, and after the actual total length of the telescopic arm 52 and the side supporting arm 51 is adjusted, the actual total length of the telescopic arm 52 and the side supporting arm 51 can be ensured to be fixed by locking the side supporting arm 51 and the telescopic arm 52 through the locking mechanism 57.
The telescopic arm 52 is uniformly provided with the adjusting holes 56, the locking mechanism 57 is a bolt and nut mechanism penetrating through the side supporting arm 51, the adjusting holes 56 are matched with the bolt and nut mechanism, the bolt and nut mechanism is provided with matched bolts and nuts, the bolts penetrate through the corresponding adjusting holes 56 and are locked by assembling nuts at the other ends of the bolts, the side supporting arm 51 and the telescopic arm 52 can be locked, and the side supporting arm 51 and the telescopic arm 52 can be released by disassembling the bolts.
The inside of the driving crawler 1 is provided with a crawler support 11, two sides of the crawler support 11 are symmetrically provided with a lower supporting seat 12, two sides of the bottom beam 2 are provided with an upper supporting seat 21 corresponding to the lower supporting seat 12, and a stand column 3 is arranged between the corresponding upper supporting seat 21 and the lower supporting seat 12; specifically, the lower supporting seat 12 is welded and fixed on the side surface of the track bracket 11, and the upper supporting seat 21 is welded and fixed on the side surface of the bottom beam 2; more specifically, the two ends of the upright post 3 are detachably connected with the lower supporting seat 12 and the upper supporting seat 21 through flanges respectively, so that the bottom beam 2 and the driving crawler 1 can be detached, and the failed driving crawler 1 can be detached, replaced and maintained conveniently.
The outside of the side support plate 53 is fixedly provided with a side backing plate 54, the side backing plate 54 is a rubber plate, and the side backing plate 54 made of the rubber plate is used for increasing friction between the side support plate 53 and the side wall of the tunnel.
The vertical supporting mechanism 4 is provided with a vertical supporting hydraulic cylinder 41 fixedly arranged at the end part of the bottom beam 2 along the vertical direction, a vertical supporting plate 42 is fixedly arranged at the bottom end of the vertical supporting hydraulic cylinder 41, and the vertical supporting hydraulic cylinder 41 drives the vertical supporting plate 42 to move downwards to be in contact with the ground so as to realize the support between the vertical supporting hydraulic cylinder and the ground.
The bottom of the vertical support plate 42 is fixedly provided with a bottom pad plate 43, the bottom pad plate 43 is a rubber plate, and the bottom pad plate 43 made of the rubber plate is used for increasing friction between the vertical support plate 42 and the ground.
As shown in fig. 2, the tunnel excavation trolley automatic walking device 100 is symmetrically arranged at the bottom of the tunnel excavation trolley 200, the connection mode adopts welding, the tunnel excavation trolley 200 can be driven to move in the tunnel according to the construction progress by driving the crawler belt 1, after the movement is completed, the tunnel excavation trolley is supported by contact between the longitudinal supporting mechanism 4 and the ground, and the side supporting mechanism 5 is supported by contact between the side supporting mechanism and the side wall of the tunnel, so that the stability of the tunnel excavation trolley in the construction process can be improved, and the construction safety is ensured; after the contact support between the longitudinal support mechanism 4 and the ground is stable, the side support hydraulic cylinders 55 in the side support mechanisms 5 extend to drive the side support arms 51 to outwards overturn, the side support arms 51 drive the telescopic arms 52 and the side support plates 53 to outwards overturn until the side support plates 53 are in contact with the inner wall of the tunnel, and the side support mechanisms 5 of the two tunnel excavation trolley automatic travelling devices 100 on the two sides of the bottom end of the tunnel excavation trolley 200 simultaneously contact and support the two side walls of the tunnel, so that the stability of the tunnel excavation trolley in the horizontal direction is ensured.
Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
The above examples only represent some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (6)
1. The automatic travelling device of the tunnel excavation trolley is characterized by comprising a driving crawler, wherein a bottom beam is arranged on a fixing frame above the driving crawler, longitudinal supporting mechanisms are arranged at two ends of the bottom beam, and side supporting mechanisms are arranged at the outer sides of the two ends of the bottom beam; the side supporting mechanism is provided with a side supporting arm and a side supporting hydraulic cylinder which are hinged with the outer side of the bottom beam, a telescopic arm is arranged in one end, which is far away from the bottom beam, of the side supporting arm, and a side supporting plate is hinged to the end part of the telescopic arm; the vertical support mechanism is provided with a vertical support hydraulic cylinder fixedly arranged at the end part of the bottom beam along the vertical direction, and a vertical support plate is fixedly arranged at the bottom end of the vertical support hydraulic cylinder.
2. The tunnel excavation trolley automatic traveling device according to claim 1, characterized in that: the side support hydraulic cylinder is hinged to the outer side of the side support arm at one end deviating from the bottom beam, one end of the telescopic arm is sleeved in the side support arm in a sliding manner, and a locking mechanism for locking or releasing the telescopic arm is arranged at the end of the side support arm.
3. The tunnel excavation trolley self-traveling device according to claim 2, characterized in that: the telescopic arm is uniformly provided with adjusting holes, the locking mechanism is a bolt-nut mechanism penetrating through the side supporting arm, and the adjusting holes are matched with the bolt-nut mechanism.
4. The tunnel excavation trolley automatic traveling device according to claim 1, characterized in that: the inside of drive track has the track support, the both sides of track support all symmetry are provided with down the supporting seat, the both sides of floorbar be provided with the corresponding last supporting seat of lower supporting seat, correspond go up the supporting seat with connect through the stand between the lower supporting seat.
5. The tunnel excavation trolley automatic traveling device according to claim 1, characterized in that: the outside of side backup pad is fixed and is provided with the side backing plate, the side backing plate is the rubber slab.
6. The tunnel excavation trolley automatic traveling device according to claim 1, characterized in that: the bottom of the longitudinal supporting plate is fixedly provided with a bottom backing plate, and the bottom backing plate is a rubber plate.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222025787U true CN222025787U (en) | 2024-11-19 |
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| GR01 | Patent grant |