CN222496424U - Tunnel car traveling steering system - Google Patents
Tunnel car traveling steering system Download PDFInfo
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- CN222496424U CN222496424U CN202421227283.9U CN202421227283U CN222496424U CN 222496424 U CN222496424 U CN 222496424U CN 202421227283 U CN202421227283 U CN 202421227283U CN 222496424 U CN222496424 U CN 222496424U
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- steering system
- tunnel
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 229910000611 Zinc aluminium Inorganic materials 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 7
- 210000005069 ears Anatomy 0.000 abstract 2
- 239000003921 oil Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
本实用新型涉及一种隧道车行走转向系统，包括连接梁、转向机构和升降机构，连接梁的两端通过两个连接座与两个轮辋相连，连接座上设有第一连接耳和第二连接耳，转向机构包括转向连杆和转向油缸，转向连杆的两端分别与两个第一连接耳铰接相连，两个转向油缸设置在连接梁的底部，两个转向油分别与两个第二连接耳铰接相连以带动轮辋以及轮胎进行转向，升降机构一端与连接梁相连，另一端与车架相连，以带动连接梁相对于车架升降。本实用新型的一种隧道车行走转向系统，车辆高度可以通过升降油缸调整悬挂连杆的长度来实现，转向油缸调整连接座不同角度的转动实现车辆转向，省去原有的悬挂架结构，降低了车身高度，提高了车辆的通过性。
The utility model relates to a tunnel vehicle travel steering system, including a connecting beam, a steering mechanism and a lifting mechanism, the two ends of the connecting beam are connected to two wheel rims through two connecting seats, the connecting seat is provided with a first connecting ear and a second connecting ear, the steering mechanism includes a steering link and a steering cylinder, the two ends of the steering link are respectively hingedly connected to the two first connecting ears, the two steering cylinders are arranged at the bottom of the connecting beam, the two steering oils are respectively hingedly connected to the two second connecting ears to drive the wheel rim and the tire to steer, one end of the lifting mechanism is connected to the connecting beam, and the other end is connected to the frame to drive the connecting beam to rise and fall relative to the frame. In the tunnel vehicle travel steering system of the utility model, the vehicle height can be achieved by adjusting the length of the suspension link through the lifting cylinder, and the steering cylinder adjusts the rotation of the connecting seat at different angles to achieve vehicle steering, eliminating the original suspension frame structure, reducing the vehicle body height, and improving the vehicle's passability.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a tunnel vehicle traveling steering system.
Background
At present, when many underground tunnels are constructed, the transportation vehicles are wheel-rail type transportation vehicles due to the limitation of road surfaces in the tunnels and other reasons such as underground construction space, and the track needs to be paved in the tunnels for single-line operation. The transportation efficiency is low, and the operation is single.
The tire type transport vehicle cannot meet the requirement of annular pavement in a tunnel, and cannot finish the construction operation of an underground tunnel. The existing tire type transportation vehicle suspension mechanisms enable tires to be vertically adjusted up and down, and one set of suspension brackets can only drive one set of connecting seats to vertically adjust the height, so that the tire type transportation vehicle suspension mechanism is relatively limited. In addition, because the vehicle is provided with the suspension, the vehicle body has a certain height, and the use requirement can not be met when the tunnel height is not high or the driving road surface is not flat under the complex working condition in the tunnel.
Disclosure of utility model
The utility model aims to provide a traveling steering system of a tunnel vehicle, which aims to facilitate the reduction of the height of the vehicle and improve the universality of the vehicle in the tunnel.
In order to achieve the aim, the technical scheme adopted by the utility model is that the traveling steering system of the tunnel car comprises a connecting beam, a steering mechanism and a lifting mechanism;
The connecting beam is horizontally arranged at the bottom of the frame, and two ends of the connecting beam are respectively connected with two rims and tires sleeved on the rims through two connecting seats;
The steering mechanism comprises a steering connecting rod and steering oil cylinders, the steering connecting rod is arranged on one side of the connecting beam side by side along the length direction of a vehicle, two ends of the steering connecting rod are respectively connected with two first connecting lugs in a hinged manner, the two steering oil cylinders are arranged at the bottom of the connecting beam, the two steering oil cylinders are respectively connected with two second connecting lugs in a hinged manner towards the direction deviating from the steering connecting rod, and the steering oil cylinders are driven to move singly or in a linked manner so as to drive the two steering oil cylinders;
The lifting mechanism is arranged in two corresponding to two rims, one end of the lifting mechanism is connected with the connecting beam, and the other end of the lifting mechanism is connected with the frame so as to drive the connecting beam to lift relative to the frame.
Furthermore, the connecting beam is connected with the two connecting seats through the connecting pin shafts.
Further, an encoder for reading the relative rotation angle between the connecting beam and the connecting seat is arranged on the connecting pin shaft.
Further, a zinc-aluminum alloy sleeve is sleeved outside the connecting pin shaft, and the encoder is fixed on the zinc-aluminum alloy sleeve through bolts.
Further, the lifting mechanism comprises two groups of hanging connecting rods and lifting cylinders, one ends of the two hanging connecting rods in the same group are hinged to the frame, the other ends of the two hanging connecting rods are respectively connected with the top surface and the side surface of the connecting beam, and the lifting cylinders are connected with the other side surface of the connecting beam.
The tunnel car walking steering system provided by the utility model has the beneficial effects that:
compared with the prior art, the tunnel vehicle traveling steering system has the advantages that the height of the vehicle can be realized by adjusting the length of the oil cylinder, so that the tunnel vehicle traveling steering system is suitable for operation of a transport vehicle on a rugged road surface, the trafficability and the operation flexibility of the vehicle are greatly improved, and the operation obstacle caused by the limitation of topography is reduced.
And through the single action or linkage of the control oil cylinder, the rotation of different angles of the connecting seat can be realized, and the vehicle can be ensured to realize rapid and accurate steering in a narrow space no matter the operation of a single oil cylinder or the cooperative work of the oil cylinders, which is very important for driving in a tunnel or other environments needing fine control.
In addition, the original suspension bracket structure is omitted, so that the overall height of the vehicle body is reduced, the weight of the vehicle is reduced, and the passing capacity of the vehicle in a short and narrow space is further improved. This is particularly important for tunnel construction or other confined space operations, and can be effective for more diverse construction environments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a tunnel truck travel steering system provided by an embodiment of the present utility model;
FIG. 2 is a bottom view of a tunnel truck travel steering system according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a connection pin according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a lifting mechanism according to an embodiment of the present utility model;
Fig. 5 is a plan view of the state of fig. 4.
1, A tire, 2, a rim, 3, an encoder, 4, a connecting beam, 5, a connecting pin shaft, 6, a connecting seat, 61, a first connecting lug, 62, a second connecting lug, 7, a steering cylinder, 8, a steering connecting rod, 9, a cylinder pin shaft, 10, a frame, 11, a hanging connecting rod, 12, a lifting cylinder, 13, a bolt, 14 and a zinc-aluminum alloy sleeve.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present embodiment more clear, the present embodiment is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present embodiments.
Referring to fig. 1 to 5, a traveling steering system of a tunnel car according to the present embodiment will be described. The traveling steering system of the tunnel car comprises a connecting beam 4, a steering mechanism and a lifting mechanism.
The connecting beam 4 is horizontally arranged at the bottom of the frame 10, two ends of the connecting beam 4 are respectively connected with two rims 2 and the tire 1 sleeved on the rims 2 through two connecting seats 6, and the two sides of the connecting seats 6 along the length direction of the vehicle are provided with a first connecting lug 61 and a second connecting lug 62.
The steering mechanism comprises a steering connecting rod 8 and steering oil cylinders 7, wherein the steering connecting rod 8 is arranged on one side of the connecting beam 4 side by side along the length direction of a vehicle, two ends of the steering connecting rod 8 are respectively hinged with two first connecting lugs 61, two steering oil cylinders 7 are arranged at the bottom of the connecting beam 4, the two steering oil cylinders 7 are respectively hinged with two second connecting lugs 62 towards the direction deviating from the steering connecting rod 8, and the rim 2 and the tyre 1 are driven to steer by driving the two steering oil cylinders 7 to move singly or in linkage.
The lifting mechanism is arranged corresponding to two rims 2, one end of the lifting mechanism is connected with the connecting beam 4, and the other end of the lifting mechanism is connected with the frame 10 so as to drive the connecting beam 4 to lift relative to the frame 10.
The tunnel vehicle traveling steering system of the embodiment can realize the vehicle height through a lifting mechanism so as to adapt to the operation of a transport vehicle on a rugged road surface, and can realize the rotation of the connecting seat 6 at different angles by controlling the single action or linkage of two steering cylinders, thereby realizing the steering effect. The steering system omits the original suspension bracket structure, reduces the height of the vehicle body, improves the trafficability of the vehicle and can adapt to more construction conditions.
An exemplary structure of a traveling steering system for a tunnel car according to this embodiment is shown in fig. 1, a connecting beam 4 is horizontally disposed at the bottom of a frame 10, and left and right ends of the connecting beam 4 are respectively connected to two rims 2 and corresponding tires 1 through connecting seats 6.
Wherein, referring to fig. 2, the connection seat 6 is configured like a triangle, the top corner position of the connection seat 6 is connected with the rim 2, the middle part of the bottom edge position of the connection seat 6 is connected with the connection beam 4, and a first connection lug 61 and a second connection lug 62 are respectively arranged at the bottom corner positions of the front end and the rear end of the triangle bottom edge of the connection seat 6, in this embodiment, the connection lug positioned at the front side of the connection beam 4 is referred to as a first connection lug 61, and the connection lug positioned at the rear side of the connection beam 4 is referred to as a second connection lug 62.
As shown in the state of fig. 2, the two side connecting seats 6 are provided with mounting holes for the steering links 8 and mounting holes for the steering cylinders 7 below the connecting beams 4. The steering connecting rod 8 in the steering mechanism is positioned at the front side of the connecting beam 4, and two ends of the steering connecting rod 8 are respectively inserted into the mounting hole sites through pin shafts so as to be connected with the two first connecting lugs 61.
The number of the steering cylinders 7 is two, the two steering cylinders 7 are arranged in the mounting holes in the middle of the connecting beam 4 through the cylinder pin shafts 9, and the power output ends of the two steering cylinders 7 are respectively connected with the two second connecting lugs 62. When steering is performed, one steering cylinder 7 is controlled or two steering cylinders 7 are simultaneously driven to drive the connecting seat 6 to rotate relative to the connecting beam 4, so that the steering of the rim 2 and the tire 1 is realized.
As a preferred embodiment, the connecting beam 4 and the two connecting seats 6 are hinged through the connecting pin shaft 5 so as to ensure the smoothness of relative rotation between the connecting beam and the two connecting seats. It will be appreciated that the connection between the connection beam 4 and the connection seat 6 may be made by other hinged connection, and may be set according to practical situations.
And preferably to ensure steering accuracy of the rim 2 and the tire 1. In this embodiment, the connection pin 5 is provided with an encoder 3 for reading the relative rotation angle between the connection beam 4 and the connection base 6. As a specific preferred embodiment, as shown in fig. 3, a zinc-aluminum alloy sleeve 14 is sleeved on the outer side of the connecting pin 5, the encoder 3 is fixed on the zinc-aluminum alloy sleeve 14 through a bolt 13, and through electrical control, the swinging angle of the connecting seat 6 can be clarified, and through signals received by an electromagnetic valve, the telescopic length of the steering cylinder 7 is controlled, and the swinging angle of the connecting seat 6 is accurately controlled.
In addition, in the present embodiment, as shown in fig. 4 and 5, the foregoing elevating mechanism preferably includes a suspension link 11 and an elevating cylinder 12. Wherein, hang connecting rod 11 and set up into two sets of, and the one end of two hanging connecting rods 11 of same group all links to each other with frame 10 is articulated, and the other end of two hanging connecting rods 11 links to each other with the top surface and the side of tie beam 4 respectively, and lift cylinder 12 links to each other with the other side of tie beam 4. The lifting oil cylinder 12 drives the suspension connecting rod 11 to stretch and retract under the action of electrohydraulic control, and the connecting beam 4 can float up and down along with the stretch and retraction of the lifting oil cylinder 12, so that the lifting action of the vehicle body is realized.
The tunnel car walking steering system of the embodiment can enable the tunnel transport car to smoothly finish steering transport functions in complex working conditions. And the steering system omits the original suspension structure, can realize all actions of the original suspension type walking steering mechanism, has flexible and various combined actions, and is suitable for use in various working condition environments. The design is safe and reliable, saves space and saves cost.
The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The tunnel car walking steering system is characterized by comprising a connecting beam (4), a steering mechanism and a lifting mechanism;
The connecting beam (4) is horizontally arranged at the bottom of the frame (10), and two ends of the connecting beam (4) are respectively connected with two rims (2) and tires (1) sleeved on the rims (2) through two connecting seats (6), wherein a first connecting lug (61) and a second connecting lug (62) are arranged on two sides of the connecting seats (6) along the length direction of the vehicle;
the steering mechanism comprises a steering connecting rod (8) and steering oil cylinders (7), the steering connecting rod (8) is arranged on one side of the connecting beam (4) side by side along the length direction of a vehicle, two ends of the steering connecting rod (8) are respectively hinged with two first connecting lugs (61), the two steering oil cylinders (7) are arranged at the bottom of the connecting beam (4), the two steering oil cylinders (7) are respectively hinged with two second connecting lugs (62) towards the direction deviating from the steering connecting rod (8), and the rim (2) and the tire (1) are driven to steer by driving the two steering oil cylinders (7) to move singly or in a linkage mode;
The two rims (2) are correspondingly arranged on the lifting mechanism, one end of the lifting mechanism is connected with the connecting beam (4), and the other end of the lifting mechanism is connected with the frame (10) so as to drive the connecting beam (4) to lift relative to the frame (10).
2. The tunnel traffic steering system according to claim 1, wherein,
The connecting beams (4) are connected with the two connecting seats (6) through connecting pin shafts (5).
3. The tunnel traffic steering system according to claim 2, wherein,
The connecting pin shaft (5) is provided with an encoder (3) for reading the relative rotation angle between the connecting beam (4) and the connecting seat (6).
4. A tunnel traffic steering system according to claim 3, wherein,
The outer side of the connecting pin shaft (5) is sleeved with a zinc-aluminum alloy sleeve (14), and the encoder (3) is fixed on the zinc-aluminum alloy sleeve (14) through a bolt (13).
5. The tunnel traffic steering system according to claim 1, wherein,
The lifting mechanism comprises two groups of suspension connecting rods (11) and lifting cylinders (12), one ends of the two suspension connecting rods (11) in the same group are hinged to the frame (10), the other ends of the two suspension connecting rods (11) are respectively connected with the top surface and the side surface of the connecting beam (4), and the lifting cylinders (12) are connected with the other side surface of the connecting beam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421227283.9U CN222496424U (en) | 2024-05-31 | 2024-05-31 | Tunnel car traveling steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421227283.9U CN222496424U (en) | 2024-05-31 | 2024-05-31 | Tunnel car traveling steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222496424U true CN222496424U (en) | 2025-02-18 |
Family
ID=94546366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421227283.9U Active CN222496424U (en) | 2024-05-31 | 2024-05-31 | Tunnel car traveling steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222496424U (en) |
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2024
- 2024-05-31 CN CN202421227283.9U patent/CN222496424U/en active Active
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