Tunnel meeting platform

Abstract

The invention provides a tunnel meeting platform, and belongs to the field of tunnel construction equipment. The tunnel meeting platform comprises a vehicle body and two sets of meeting tracks arranged on the vehicle body, the vehicle body comprises a vehicle frame, a moving device used for running along the tracks in a tunnel is arranged below the vehicle frame, two moving frames are arranged on the upper side of the vehicle frame in the left-right direction, and a guide rail is arranged on the vehicle frame; the moving frames are provided with guiding matching parts matched with the guiding rails in a guiding mode in the left-right direction, the frame is provided with a driving device used for driving the moving frames to move in the left-right direction, and the two meeting rails are arranged on the two moving frames respectively. According to the tunnel meeting platform, the distance between the two moving frames can be adjusted according to the size of a tunnel and the size of a locomotive group, then the distance between the two sets of meeting rails is adjusted, the tunnel meeting platform can adapt to different projects after being adjusted, and therefore the tunnel meeting platform can be repeatedly used, resource waste is avoided, and the construction cost is reduced.

Description

Technical Field

[0001] The invention belongs to the field of tunnel construction equipment, and in particular relates to a tunnel vehicle meeting platform. Background Art

[0002] During tunnel construction, rail locomotives are generally used to transport materials and slag. On tracks that only allow locomotives to pass in one direction, locomotives entering and exiting the tunnel need to meet at specific locations.

[0003] At present, there are two ways for locomotives to meet each other. One is to set a fixed switch at a set position on the track. Two locomotives running in opposite directions meet each other at the fixed switch. The locomotive that arrives first needs to wait at the fixed switch. However, with the excavation of the tunnel, the distance between the fixed switch and the tunnel face is getting farther and farther, which increases the waiting time of the locomotive that arrives first, seriously affecting the transportation efficiency.

[0004] Another way is to use a mobile platform for passing and meeting trains. The mobile platform includes a car body that can run on the original track. A moving device for walking along the original track in the tunnel is set under the car body. The car body is provided with two sets of meeting tracks for two trains to pass side by side. The front and rear of the meeting tracks are provided with connecting tracks for a single train to pass. The connecting tracks are set on the slopes at the front and rear ends of the car body for connecting with the original track. The connecting tracks and the meeting tracks are connected by a bifurcated track. The platform can move in the tunnel, so that its position can be adjusted according to the construction progress, which improves the transportation efficiency.

[0005] In actual use, in tunnels with small cross-sectional dimensions, wider platforms cannot enter, and narrower platforms need to be used; in tunnels with large cross-sectional dimensions, larger locomotive formations may be required, and the two sets of meeting tracks on the meeting platform also need to have a larger spacing. However, the width of the current meeting platform is fixed, and the spacing between the two sets of meeting tracks on it is also fixed, so the equipment is difficult to reuse, resulting in a waste of resources. Summary of the invention

[0006] The object of the present invention is to provide a tunnel meeting platform to solve the technical problem that the meeting platform in the prior art is difficult to adjust the distance between two sets of meeting tracks according to usage requirements, resulting in difficulty in reusing the meeting platform and waste of resources.

[0007] To achieve the above purpose, the technical solution of the tunnel meeting platform provided by the present invention is: A tunnel meeting platform comprises a vehicle body and two groups of meeting tracks arranged on the vehicle body. The vehicle body comprises a frame, a moving device for traveling along the track in the tunnel is arranged below the frame, two moving frames are arranged on the upper side of the frame along the left and right directions, a guide rail is arranged on the frame, a guide matching part for guiding and matching with the guide rail along the left and right directions is arranged on the moving frame, a driving device for driving the moving frame to move along the left and right directions is arranged on the frame, and the two groups of meeting tracks are respectively arranged on the two moving frames.

[0008] As a further improvement, the frame includes a main frame and a sub-frame arranged on both sides of the main frame. The sub-frame cooperates with the main frame to telescope or fold. The main frame is provided with a control device for driving the sub-frame to unfold or retract. Both the main frame and the sub-frame are provided with guide rails.

[0009] As a further improvement, a secondary support member for supporting the secondary frame is provided below the secondary frame.

[0010] As a further improvement, main support members for supporting the main frame are provided on both left and right sides below the main frame.

[0011] As a further improvement, the sub-frame includes a side beam and at least two folding beams hinged to the side beams, the folding beams are arranged parallel to each other, one end of the folding beam away from the side beam is hinged to the main frame, and the control device is a first telescopic device arranged between the main frame and the folding beam for driving the folding beam to swing.

[0012] As a further improvement, the main frame includes longitudinal beams and transverse beams, the number of folding beams is the same as the number of transverse beams and they are connected one-to-one, and the guide rails are arranged on the transverse beams and the folding beams.

[0013] As a further improvement, main support members for supporting the main frame are provided on both left and right sides below the main frame.

[0014] As a further improvement, the movable frame includes at least two sliding fittings arranged in the front-to-back direction, the sliding fittings correspond to the guide rails one by one, the guide fitting parts are arranged on the sliding fittings, the sliding fittings are slidingly fitted with the corresponding guide rails, a connecting body is fixedly connected between at least two adjacent sliding fittings, and the driving device is a second telescopic device connected between the connecting body and the frame.

[0015] As a further improvement, the front and rear ends of the vehicle body are both provided with connection structures for connecting with adjacent vehicle bodies.

[0016] As a further improvement, the connection structure is an articulated seat fixedly mounted on the vehicle body.

[0017] The beneficial effect is that the tunnel meeting platform provided by the present invention is an improvement on the prior art. The tunnel meeting platform is provided with a mobile frame that can move left and right on the frame, and the meeting track is installed on the mobile frame, so that the distance between the two mobile frames can be adjusted according to the size of the tunnel and the size of the locomotive formation, and then the distance between the two groups of meeting tracks can be adjusted. After adjustment, it can adapt to different projects, so that the tunnel meeting platform can be reused, avoid resource waste, and reduce construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a top view of a specific embodiment 1 of the tunnel meeting platform of the present invention, in which the sub-frame is in a retracted state; Figure 2 This is a front view of a specific embodiment 1 of the tunnel meeting platform of the present invention, in which the sub-frame is in a retracted state; Figure 3 It is a cross-sectional view from a side perspective of a specific embodiment 1 of the tunnel meeting platform of the present invention, in which the sub-frame is in a retracted state; Figure 4 A top view of a specific embodiment 1 of the tunnel meeting platform of the present invention, in which the auxiliary frame is in an unfolded state but the spacing between the movable frames is not widened; Figure 5 This is a front view of a specific embodiment 1 of the tunnel meeting platform of the present invention, in which the auxiliary frame is in an unfolded state but the spacing between the movable frames is not widened; Figure 6 A top view of a specific embodiment 1 of the tunnel meeting platform of the present invention, in which the sub-frame is in an unfolded state and the spacing between the movable frames is widened; Figure 7 This is a front view of a specific embodiment 1 of the tunnel meeting platform of the present invention, in which the auxiliary frame is in an unfolded state and the spacing between the movable frames is widened.

[0019] Description of reference numerals: 1. Main frame; 11. Crossbeam; 12. Longitudinal beam; 13. Main support member; 2. Auxiliary frame; 21. Side beam; 22. Folding beam; 23. Auxiliary support member; 3. Moving device; 31. Driving wheel set; 32. Driven wheel set; 4. First telescopic device; 5. Second telescopic device; 6. Moving frame; 61. Sliding fitting body; 62. Connecting body; 7. Articulated seat; 8. Meeting track; 9. Original track. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with embodiments.

[0021] In order to solve the problems in the prior art, the basic concept of the present invention is to movably arrange two sets of meeting tracks on the vehicle body along the left-right direction, so as to adjust the distance between the two sets of meeting tracks.

[0022] Specific embodiment 1 of the tunnel meeting platform provided by the present invention: A tunnel meeting platform, see attached Figure 1 , Attachment Figure 2 And attached Figure 3 , including a car body and two sets of meeting tracks 8 arranged on the car body. The front and rear ends of the car body are both provided with connection structures for connecting with adjacent car bodies, and the connection structures are specifically hinged seats 7 fixedly installed on the car body. During use, the number of the tunnel meeting platform to be used can be determined according to the length of the locomotive formation.

[0023] The tunnel meeting platform only provides space for two locomotives traveling in opposite directions to pass each other. Therefore, when in use, an auxiliary platform is required to be connected to the front and rear ends of multiple connected tunnel meeting platforms. The auxiliary platform is provided with a connecting track for connecting to the original track 9 in the tunnel, and a branch track connecting the connecting track to the meeting track 8.

[0024] The vehicle body includes a vehicle frame, a moving device 3 and a moving frame 6 .

[0025] The moving device 3 is installed under the vehicle body, and includes two sets of wheel sets for cooperating with the original track 9 in the tunnel, one set of wheel sets is a driving wheel set 31 equipped with a power system, and the other set of wheel sets is a driven wheel set 32. The moving device 3 can be used to make the tunnel meeting platform move automatically in the tunnel, which is convenient to use.

[0026] There are two moving frames 6 and both are arranged above the vehicle frame. The two moving frames 6 are arranged in the left-right direction, and the two sets of meeting tracks 8 are respectively arranged on the two moving frames 6. The vehicle frame is provided with guide rails for guiding and sliding the moving frames 6 in the left-right direction, and the vehicle frame is provided with a driving device for driving the moving frames 6 to move in the left-right direction. The driving device is used to adjust the distance between the two moving frames 6, so that the distance between the two sets of meeting tracks 8 can be changed.

[0027] The vehicle frame includes a main frame body 1 and two auxiliary frames 2. The two auxiliary frames 2 are respectively located on the left and right sides of the main frame body 1. Both the main frame body 1 and the auxiliary frames 2 are frame structures made of H-shaped steel.

[0028] The main frame 1 includes three longitudinal beams 12 and four transverse beams 11. The length direction of the transverse beam 11 is the same as the left-right direction, and each transverse beam 11 is arranged along the front-back direction. The length direction of the longitudinal beam 12 is the same as the front-back direction, and each longitudinal beam 12 is arranged along the left-right direction. The two longitudinal beams 12 located on the left and right sides of the main frame 1 are respectively located at the two ends of the length direction of the transverse beam 11.

[0029] The sub-frame 2 includes a side beam 21 and four folding beams 22. The folding beams 22 correspond to the cross beam 11 one by one and are hinged. The end of the folding beam 22 away from the cross beam 11 is hinged to the side beam 21. The four folding beams 22 in the same sub-frame 2 are arranged parallel to each other. The main frame 1 is provided with a control device for driving the sub-frame 2 to be deployed or retracted. Specifically, the control device is a first telescopic device 4 arranged between the main frame 1 and the folding beam 22. The telescopic action of the first telescopic device 4 can control the swing of the folding beam 22. When the folding beam 22 is in the same straight line with the corresponding cross beam 11, the sub-frame 2 is in an deployed state; when the folding beam 22 swings to one side of the corresponding side longitudinal beam 12, the sub-frame 2 is in a retracted state.

[0030] Main support members 13 are provided on both the left and right sides below the main frame 1, and the main support members 13 are used to support the main frame 1; and sub-support members 23 are provided below the sub-frame 2, and the sub-support members 23 are used to support the sub-frame 2. Both the main support member 13 and the sub-support member 23 are support columns, and the main support member 13 and the sub-support member 23 are respectively fixedly installed on the main frame 1 and the sub-frame 2 by bolts. After the vehicle body moves or the sub-frame 2 is retracted, the corresponding main frame 1 or sub-frame 2 can be removed to avoid interference with the ground, and then reinstalled when necessary. Specifically, the main support member 13 is installed on the longitudinal beam 12 at the edge, and the sub-support member 23 is installed on the side beam 21. The main support member 13 is arranged between two adjacent cross beams 11, and the sub-support member 23 is arranged between two adjacent folding beams 22.

[0031] Since the support of the frame by the mobile device 3 is only within a small range in the middle of the frame, when the distance between the two mobile frames 6 is large, the pressure of the mobile frame 6 on the frame will exceed the support range of the mobile device 3 on the frame, which may easily cause deformation of the frame. Figure 4 , Attachment Figure 5 , Attachment Figure 6 and attached Figure 7 The purpose of providing the main support member 13 and the auxiliary support member 23 is to provide a larger support range for the frame, thereby avoiding deformation of the frame during use.

[0032] The movable frame 6 includes at least two sliding fitting bodies 61 arranged in the front-to-back direction, and a connecting body 62 is fixedly connected between at least two adjacent sliding fitting bodies 61. The sliding fitting body 61 is used for sliding cooperation with the corresponding guide rail. Specifically, the sliding fitting body 61 is a channel steel. There are four sliding fitting bodies 61, and the opening of each sliding fitting body 61 is buckled downward on the corresponding crossbeam 11. The upper end wing plate of the crossbeam 11 constitutes a guide rail for guiding the sliding fitting body 61, and the inner wall of the groove on the sliding fitting body 61 constitutes a guide cooperation part for guiding the guide rail. A connecting body 62 is arranged between the first two sliding fitting bodies 61, and a connecting body 62 is also arranged between the rear two sliding fitting bodies 61. The driving device is a second telescopic device 5 arranged between the longitudinal beam 12 located in the middle and the corresponding connecting body 62. The second telescopic device 5 can drive the movable frame 6 to move left and right through telescoping.

[0033] The wing plate at the upper end of the folding beam 22 is also a part of the guide rail. When the auxiliary frame 2 is unfolded, the folding beam 22 and the cross beam 11 of the main frame 1 are in the same straight line. Figure 6 and attached Figure 7 , the sliding fitting body 61 of the mobile frame 6 can slide onto the folding beam 22, and the folding beam 22 is used to provide support for the mobile frame 6. In order to ensure the smooth movement of the mobile frame 6, a notch for the sliding fitting body 61 of the mobile frame 6 to pass through needs to be provided on the longitudinal beam 12 of the main frame 1 and the side beam 21 of the auxiliary frame 2. In other embodiments, the mobile frame 6 can also be smoothly moved from the main frame 1 to the auxiliary frame 2 by making the upper surfaces of the cross beam 11 and the folding beam 22 higher than the longitudinal beam 12 and the side beam 21.

[0034] The first telescopic device 4 and the second telescopic device 5 are both oil cylinders, and in other embodiments they may also be air cylinders or electric push rods.

[0035] When the diameter of the tunnel under construction is small and the size of the locomotive group is small, the tunnel meeting platform can choose to retract the auxiliary frame 2 so that the tunnel meeting platform can enter the tunnel under construction, and only adjust the spacing between the two sets of meeting tracks 8 on the main frame 1 to meet the construction needs, such as the attached Figure 1 , Attachment Figure 2 and attached Figure 3 .

[0036] When the diameter of the tunnel under construction is large and the size of the locomotive group is large, the tunnel meeting platform can choose to unfold the auxiliary frame 2 and adjust the spacing between the two sets of meeting tracks 8 on the main frame 1 and the auxiliary frame 2 to meet the construction needs, such as the attached Figure 4 , Attachment Figure 5 , Attachment Figure 6 and attached Figure 7 .

[0037] In this way, the tunnel meeting platform can be reused in different projects, thereby effectively avoiding waste of resources and reducing construction costs. Moreover, since the tunnel meeting platform can be used in combination, its use and adjustment flexibility is higher.

[0038] The auxiliary platform provided with connecting tracks and branch tracks can be replaced and adapted according to the needs in different tunnels, which will not be elaborated here.

[0039] Specific embodiment 2 of the tunnel meeting platform provided by the present invention: This embodiment is based on Embodiment 1, and is different from Embodiment 1 in that the sub-frame and the main frame in this embodiment are not connected in a folding structure, but are connected in a telescopic manner.

[0040] Specifically, the sub-frame in this embodiment includes side beams and telescopic beams, wherein four telescopic beams are provided and are vertically fixedly connected to the side beams. The cross beam is a rectangular steel tube, and the telescopic beam is a rectangular steel tube that can be inserted into the cross beam and cooperate with the cross beam guide. The control device in this embodiment is a third telescopic device provided between the side beam and the longitudinal beam, and the third telescopic device can control the side beam to move left and right, thereby controlling the telescopic movement of the sub-frame.

[0041] When the sub-frame is unfolded, there is a height difference between the upper surface of the telescopic beam of the sub-frame and the corresponding sliding fitting body of the mobile frame, so the sliding fitting body is easily deformed during use. To solve this problem, a pad can be set on the upper side of the telescopic beam of the sub-frame after the sub-frame is unfolded. After the pad is set, the upper surface of the pad is flush with the upper surface of the beam, providing better support for the mobile frame. The pad can be connected to the corresponding telescopic beam by bolt connection, or a positioning hole can be set on the upper side of the telescopic beam, and a positioning column for inserting into the positioning hole is fixedly set on the lower surface of the pad to connect the pad to the corresponding telescopic beam.

[0042] Compared with Example 1, the sub-frame in this embodiment may not be fully unfolded during use to adapt to more working conditions.

[0043] Specific embodiment 3 of the tunnel meeting platform provided by the present invention: This embodiment is based on Embodiment 1, and differs from Embodiment 1 in that a sub-frame is not provided in this embodiment. When the size of the locomotive formation is large and the spacing between the two sets of meeting tracks is also required to be large, the mobile frames can be driven away from each other, and one end of the mobile frame can be cantilevered outside the main frame. Then, a support rod is installed under the mobile frame, and the lower end of the support rod is in contact with the ground, thereby supporting the cantilevered end of the mobile frame.

[0044] Specific embodiment 4 of the tunnel meeting platform provided by the present invention: This embodiment is based on embodiment 1, and is different from the embodiment in that no secondary support member and main support member are provided in this embodiment. In order to ensure the structural strength of the secondary frame and the main frame, a diagonal brace may be provided between the side beam of the secondary frame and the moving device, or between the longitudinal beam of the main frame and the moving device.

[0045] Specific embodiment 5 of the tunnel meeting platform provided by the present invention: This embodiment is based on Embodiment 1, and differs from Embodiment 1 in that the driving device in this embodiment is not a second telescopic device, but a rack and pinion transmission device, which includes a rack fixedly mounted on a movable frame, a motor fixedly mounted on a frame, and a gear fixedly mounted on an output shaft of the motor, and the gear is meshed with the rack.

[0046] Specific embodiment 6 of the tunnel meeting platform provided by the present invention: This embodiment is based on Embodiment 1, and differs from Embodiment 1 in that the control device in this embodiment is not the first telescopic device, but a rotational drive device, which includes a motor and a reducer transmission-connected to the motor, and the output end of the reducer is transmission-connected to a rotating shaft, which is the hinge shaft for hingedly connecting the folding beam and the cross beam, and the hinge shaft is fixedly connected to the folding beam and rotationally connected to the cross beam.

[0047] Specific embodiment 7 of the tunnel meeting platform provided by the present invention: This embodiment is based on Embodiment 1, and differs from Embodiment 1 in that, in this embodiment, the movable frame includes a rectangular frame, guide wheels are arranged at the bottom of the rectangular frame, guide rails made of channel steel with an opening upward are arranged above the cross beam of the frame, and the guide wheels are embedded in the guide rails, so that the movable frame can be guided and moved in the left and right directions on the frame. In this embodiment, the guide wheels constitute a guide matching part.

[0048] Specific embodiment 8 of the tunnel meeting platform provided by the present invention: This embodiment is based on Embodiment 1, and is different from Embodiment 1 in that the vehicle body in this embodiment is longer, and during use, the vehicle body is used alone, and there is no need to connect multiple vehicle bodies for use.

[0049] Specific embodiment 9 of the tunnel meeting platform provided by the present invention: This embodiment is based on Embodiment 1, and differs from Embodiment 1 in that the connection structure for connecting with adjacent vehicle bodies in this embodiment is a bolt connection seat, and connection holes are provided on the bolt connection seat along the front-to-back direction, so as to rigidly connect the adjacent vehicle bodies.

[0050] Specific embodiment 10 of the tunnel meeting platform provided by the present invention: This embodiment is based on Embodiment 1, and differs from Embodiment 1 in that, in this embodiment, ramps are further provided at the front and rear ends of the vehicle body, and the connecting tracks and the branching tracks are both provided on the ramps. Connecting tracks and branching tracks of different shapes and sizes can be replaced for use in different projects, and there is no need to configure an auxiliary platform.

[0051] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments without creative work, or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A tunnel vehicle-passing platform, comprising a vehicle body and two sets of vehicle-passing tracks arranged on the vehicle body, wherein the vehicle body comprises a vehicle frame, and a moving device for traveling along the tracks in the tunnel is arranged below the vehicle frame, wherein: Two mobile frames are arranged on the upper side of the frame along the left and right directions. The frame is provided with guide rails. The mobile frames are provided with guide matching parts that guide and match with the guide rails along the left and right directions. The frame is provided with a driving device for driving the mobile frames to move along the left and right directions. The two sets of meeting tracks are respectively arranged on the two mobile frames.

2. The tunnel vehicle-passing platform according to claim 1 is characterized in that: The frame includes a main frame and auxiliary frames arranged on both sides of the main frame. The auxiliary frames cooperate with the main frame to telescope or fold. The main frame is provided with a control device for driving the auxiliary frames to unfold or retract. Both the main frame and the auxiliary frames are provided with guide rails.

3. The tunnel vehicle-passing platform according to claim 2 is characterized in that: A secondary support member for supporting the secondary frame is arranged below the secondary frame.

4. The tunnel vehicle-meeting platform according to claim 2 or 3, characterized in that: Main support members for supporting the main frame are arranged on both left and right sides below the main frame.

5. The tunnel vehicle-meeting platform according to claim 2 or 3, characterized in that: The auxiliary frame includes a side beam and at least two folding beams hinged to the side beams. The folding beams are arranged parallel to each other. One end of the folding beam away from the side beam is hinged to the main frame. The control device is a first telescopic device arranged between the main frame and the folding beam for driving the folding beam to swing.

6. The tunnel vehicle-passing platform according to claim 5 is characterized in that the main The frame comprises longitudinal beams and transverse beams. The number of folding beams is the same as the number of transverse beams and they are connected one by one. The guide rails are arranged on the transverse beams and the folding beams.

7. The tunnel vehicle-passing platform according to claim 5 is characterized in that: Main support members for supporting the main frame are arranged on both left and right sides below the main frame.

8. The tunnel vehicle-meeting platform according to any one of claims 1 to 3, characterized in that: The movable frame includes at least two sliding fitting bodies arranged along the front-to-back direction, the sliding fitting bodies correspond to the guide rails one by one, the guide fitting parts are arranged on the sliding fitting bodies, the sliding fitting bodies are slidingly fitted with the corresponding guide rails, a connecting body is fixedly connected between at least two adjacent sliding fitting bodies, and the driving device is a second telescopic device connected between the connecting body and the frame.

9. The tunnel vehicle-meeting platform according to any one of claims 1 to 3, characterized in that: The front and rear ends of the vehicle body are both provided with connection structures for connecting with adjacent vehicle bodies.

10. The tunnel vehicle-meeting platform according to claim 9, characterized in that: The connection structure is an articulated seat fixedly mounted on the vehicle body.

Images