CN220081452U - Multifunctional steering wheel group of tunnel defect repairing trolley - Google Patents
Multifunctional steering wheel group of tunnel defect repairing trolley Download PDFInfo
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- CN220081452U CN220081452U CN202321550008.6U CN202321550008U CN220081452U CN 220081452 U CN220081452 U CN 220081452U CN 202321550008 U CN202321550008 U CN 202321550008U CN 220081452 U CN220081452 U CN 220081452U
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- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000009418 renovation Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 10
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- 238000001514 detection method Methods 0.000 description 1
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Abstract
The utility model discloses a multifunctional steering wheel group of a tunnel defect correction trolley, which is vertically supported and horizontally and rotatably connected to the bottom end of a trolley support column, wherein the steering wheel group comprises a wheel frame, a steering motor, a power motor, a wheel shaft, a rail wheel and a pneumatic tire; the wheel frame is vertically supported and horizontally and rotatably connected to the bottom end of the trolley support column, the wheel frame is internally and horizontally penetrated and rotatably connected with the wheel axle, and a power motor for providing rotary power for the wheel axle is fixedly arranged outside the wheel frame; the middle part of the wheel axle is coaxially and fixedly provided with a rail wheel, and the two ends of the wheel axle are coaxially and fixedly provided with pneumatic tires with diameters larger than that of the rail wheel; the lower part of the trolley support column is fixedly provided with a steering motor for providing rotary power for the wheel frame. The steering wheel group can realize dual-mode switching of the track support and the ground support, reduces the limitation of the tunnel construction environment to the trolley running mode, and has stable structure and high bearing capacity.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a multifunctional steering wheel group of a tunnel defect correction trolley.
Background
When the tunnel entity detection problem is rectified, because the arch crown and the vault are too high, when the vault construction quality at the position above the tunnel arch crown is problematic, construction operators need to ascend by means of a tunnel defect rectification trolley (the erection height is 7.8 meters).
Because the construction progress is different and construction condition limits, current platform truck can only travel to the track usually, perhaps only can travel on ground, is difficult to realize the switching of same platform truck at track and subaerial mode of traveling, and current platform truck includes rail wheel platform truck and pneumatic tire platform truck two kinds promptly, and its difference lies in:
1. rail wheel trolley: the vehicle runs along the pre-paved track without designing a steering mechanism, so the vehicle has the advantages of high stability and large bearing capacity; the defect is that the track is paved in the tunnel and then the tunnel is constructed, so that the requirement on the construction environment is higher, and the direction control is not flexible enough;
2. pneumatic tire dolly: the tunnel scaffold has the advantages that the tunnel scaffold can be constructed when a track is not paved in the initial stage of tunnel construction, but because of lack of track guiding, a steering mechanism of a pneumatic tire is required to be designed, and the steering mechanism of the existing trolley is simpler and is mostly a hinge rod connecting structure, such as a tunnel scaffold with a bearing guiding wheel set disclosed in CN 218438126U; however, the steering control device has the advantages of high degree of freedom and flexible steering, but has the problems of insufficient bearing, excessive hinge parts and deformation of the hinge parts after long-term use, and further failure of steering control.
Therefore, how to design a multifunctional steering wheel group of a tunnel defect remedying trolley can reduce the limit of the construction progress (i.e. whether the track is paved) to the running mode of the trolley, and has the advantages of the track wheel trolley on the pneumatic tire trolley, which is a technical problem to be solved urgently by the person in the field.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a multifunctional steering wheel group of a tunnel defect correction trolley, which can realize dual-mode switching of a track support and a ground support, reduce the limitation of a tunnel construction environment on the running mode of the trolley, and has the advantages of stable structure of a steering mechanism and high bearing capacity.
The multifunctional steering wheel group of the tunnel defect repairing trolley is vertically supported and horizontally and rotatably connected to the bottom end of a supporting column of the trolley, and comprises a wheel frame, a steering motor, a power motor, a wheel shaft, a rail wheel and a pneumatic tire; the wheel frame is vertically supported and horizontally and rotatably connected to the bottom end of the trolley support column, the wheel frame is internally and horizontally penetrated and rotatably connected with the wheel axle, and a power motor for providing rotary power for the wheel axle is fixedly arranged outside the wheel frame; the middle part of the wheel axle is coaxially and fixedly provided with a rail wheel, and the two ends of the wheel axle are coaxially and fixedly provided with pneumatic tires with diameters larger than that of the rail wheel; the lower part of the trolley support column is fixedly provided with a steering motor for providing rotary power for the wheel frame.
And the outside of the wheel frame is fixedly provided with a gear box, the power output end of the gear box is in transmission connection with the wheel axle, and the power input end of the gear box is in transmission connection with the power motor.
Moreover, the top of the wheel carrier is vertically fixedly provided with a steering pier column, the top of the steering pier column is vertically supported and radially limited to be inserted in the bottom end face of the trolley support column, the middle part of the steering pier column is coaxially fixedly provided with a friction ring which is connected with the bottom end of the trolley support column in a rotating fit manner, and the lower part of the steering pier column is coaxially fixedly provided with a driven steering gear.
Moreover, a motor bracket is transversely and fixedly arranged on the side wall of the bottom of the trolley support column, and a steering motor is vertically and fixedly arranged on the motor bracket; the power output end of the steering motor is coaxially and fixedly provided with a driving steering gear which is meshed and connected with a driven steering gear.
Moreover, the difference in supporting radius between the rail wheel and the pneumatic tire is smaller than the difference in height between the top surface of the rail and the ground.
The utility model has the advantages and technical effects that:
according to the multifunctional steering wheel group of the tunnel defect correction trolley, the vertical support of the trolley is realized through the steering pier column, the wheel frame, the wheel shaft and the rail wheel or the pneumatic tire; the horizontal torsion power is provided for the wheel frame through the steering motor, the driving steering gear and the driven steering gear, so that the steering function of the trolley is realized; the power motor radial gear box provides rotary power for the wheel axle, namely provides running power for the trolley; finally, the track wheel and the pneumatic tire rotate coaxially at the same speed, the diameter of the pneumatic tire is larger than that of the track wheel, the pneumatic tire idles when the track wheel runs on the track, and the track wheel idles when the pneumatic tire runs on the ground of the tunnel, so that the dual-mode switching of the track/ground mode is realized.
Drawings
Fig. 1 is a front view (track running) of the present utility model;
fig. 2 is a front view (ground traveling) of the present utility model;
FIG. 3 is a side view of the present utility model;
in the figure: 1-a power motor; 2-a gear box; 3-trolley support posts; 4-steering pier column; a 5-friction ring; 6-a driven steering gear; 7-wheel frames; 8-rail wheels; 9-a pneumatic tire; 10-wheel axle; 11-track; 12-ground; 13-a steering motor; 14-a motor bracket; 15-active steering gear.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The multifunctional steering wheel group of the tunnel defect repairing trolley is vertically supported and horizontally and rotatably connected to the bottom end of a trolley support column 3, and comprises a wheel frame 7, a steering motor 13, a power motor 1, a wheel shaft 10, rail wheels 8 and pneumatic tires 9; the wheel frame is vertically supported and horizontally and rotatably connected to the bottom end of the trolley support column, the wheel frame is internally and horizontally penetrated and rotatably connected with the wheel axle, and a power motor for providing rotary power for the wheel axle is fixedly arranged outside the wheel frame; the middle part of the wheel axle is coaxially and fixedly provided with a rail wheel, and the two ends of the wheel axle are coaxially and fixedly provided with pneumatic tires with diameters larger than that of the rail wheel; the lower part of the trolley support column is fixedly provided with a steering motor for providing rotary power for the wheel frame.
And, the outside of wheel carrier has set firmly gear box 2, and the power take off end transmission of this gear box connects the shaft, and the power input end transmission of gear box connects power motor.
Moreover, the top of the wheel carrier is vertically fixedly provided with a steering pier column 4, the top of the steering pier column is vertically supported and radially limited and inserted in the bottom end face of the trolley support column, the middle part of the steering pier column is coaxially and fixedly provided with a friction ring 5 which is connected with the bottom end of the trolley support column in a rotating fit manner, and the lower part of the steering pier column is coaxially and fixedly provided with a driven steering gear 6.
Moreover, a motor bracket 14 is transversely fixedly arranged on the side wall of the bottom of the trolley support column, and a steering motor is vertically fixedly arranged on the motor bracket; a driving steering gear 15 meshed with the driven steering gear is coaxially and fixedly arranged at the power output end of the steering motor.
Moreover, the difference in supporting radius between the rail wheel and the pneumatic tire is smaller than the difference in height between the top surface of the rail 11 and the ground 12.
In order to more clearly describe the specific embodiments of the present utility model, an example is provided below:
the utility model relates to a multifunctional steering wheel group of a tunnel defect remedying trolley, wherein the track running posture of the multifunctional steering wheel group is shown in figure 1, and a track wheel in the middle of a wheel shaft rolls on a track during track running and is used for realizing vertical support of the wheel shaft, a wheel frame and a trolley support column; the ground running gesture is shown in figure 2, and the pneumatic tires at the two ends of the wheel axle roll on the ground of the tunnel when running on the ground, so as to realize the vertical support of the wheel axle, the wheel frame and the trolley support column; thus, the trolley can be switched between the on-track running mode and the ground running mode. In the running process, the power motor provides rotary power for the wheel shaft through the gear box, namely, the power motor provides running power of the trolley; in the ground running mode, the steering motor is provided with a driving steering gear and a driven steering gear to provide rotary power for the integral wheel carrier, so that the pneumatic tire is driven to rotate in a steering way; it should be noted that the difference in height between the top surface of the track and the ground should be greater than the difference in supporting radius between the pneumatic tire and the rail wheel, i.e. the pneumatic tire should be in an idle posture (as shown in fig. 3) and should not contact the ground when the rail wheel is running on the track; when the pneumatic tire is driven on the ground in the same way, the rail wheel should be in an idling state (as shown in fig. 2) and not contact the ground, so as to avoid damaging the outer side Zhou Humian of the rail wheel.
In the description of the present specification, the descriptions of the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in the embodiments or examples of the present utility model.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a multi-functional steering wheel group of tunnel defect renovation platform truck which characterized in that: the steering wheel set is vertically supported and horizontally and rotatably connected to the bottom end of the trolley support column, and comprises a wheel frame, a steering motor, a power motor, a wheel shaft, a rail wheel and a pneumatic tire; the wheel frame is vertically supported and horizontally and rotatably connected to the bottom end of the trolley support column, the wheel frame is internally and horizontally penetrated and rotatably connected with the wheel axle, and a power motor for providing rotary power for the wheel axle is fixedly arranged outside the wheel frame; the middle part of the wheel axle is coaxially and fixedly provided with a rail wheel, and the two ends of the wheel axle are coaxially and fixedly provided with pneumatic tires with diameters larger than that of the rail wheel; the lower part of the trolley support column is fixedly provided with a steering motor for providing rotary power for the wheel frame.
2. The multi-functional steering wheel set of a tunnel defect repair trolley according to claim 1, wherein: the outside of wheel carrier has set firmly the gear box, and the power take off end transmission of this gear box connects the shaft, and the power input end transmission of gear box connects power motor.
3. The multi-functional steering wheel set of a tunnel defect repair trolley according to claim 1, wherein: the top of the wheel carrier is vertically fixedly provided with a steering pier column, the top of the steering pier column is vertically supported and radially limited to be inserted in the bottom end face of the trolley support column, the middle part of the steering pier column is coaxially fixedly provided with a friction ring connected with the bottom end of the trolley support column in a rotating fit manner, and the lower part of the steering pier column is coaxially fixedly provided with a driven steering gear.
4. A multi-functional steering wheel set of a tunnel defect repair trolley according to claim 3, characterized in that: a motor bracket is transversely and fixedly arranged on the side wall of the bottom of the trolley support column, and a steering motor is vertically and fixedly arranged on the motor bracket; and a driving steering gear meshed with the driven steering gear is coaxially and fixedly arranged at the power output end of the steering motor.
5. The multi-functional steering wheel set of a tunnel defect repair trolley according to claim 1, wherein: the difference of the supporting radius of the rail wheel and the pneumatic tire is smaller than the difference of the height of the top surface of the rail and the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321550008.6U CN220081452U (en) | 2023-06-18 | 2023-06-18 | Multifunctional steering wheel group of tunnel defect repairing trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321550008.6U CN220081452U (en) | 2023-06-18 | 2023-06-18 | Multifunctional steering wheel group of tunnel defect repairing trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081452U true CN220081452U (en) | 2023-11-24 |
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ID=88823376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321550008.6U Active CN220081452U (en) | 2023-06-18 | 2023-06-18 | Multifunctional steering wheel group of tunnel defect repairing trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081452U (en) |
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2023
- 2023-06-18 CN CN202321550008.6U patent/CN220081452U/en active Active
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