Guide device for steel rail detection vehicle and steel rail detection vehicle
By designing a guide device for a rail detection vehicle on the rail detection vehicle, and guiding the inner and outer sides of the rail with the first guide assembly and the second guide assembly, the problem of detecting the vehicle's walking track deviation in the prior art is solved, and the problem of improving the Accuracy of detection.
Patent Information
- Application Number
- CN202421200702.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-29
AI Technical Summary
During the driving process of the existing rail detection vehicle, the force is uneven due to the arrangement of the limit wheels, causing the detection vehicle to travel in an S-shaped or Z-shaped shape, affecting the detection accuracy.
A guide device is designed, including a first guide assembly and a second guide assembly, which guides the inner and outer sides of the rails respectively, and ensures the opposite of the walking wheel of the detection vehicle and the rails through the rotation of the second guide assembly and the coordination of the limiting parts. Status remain stable.
It effectively avoids the deviation of the walking trajectory of the detection vehicle due to uneven force, maintains the relative position of the walking wheels and detection elements of the detection vehicle and the rails, and improves the accuracy of the detection.
Smart Images

Figure CN222474150U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of track detection, in particular to a guide device for a rail detection vehicle and the rail detection vehicle. Background Art
[0002] Rail inspection vehicles are special vehicles used to inspect the geometry and unevenness of tracks in order to evaluate the geometry of tracks. They are important tools for ensuring safe, stable and comfortable driving and guiding track maintenance and repair. According to the records of the rail inspection vehicle, locations where the track is not in good condition can be found so that emergency repairs or speed limit measures can be taken, and the mileage sections that should be planned for maintenance can be determined to prepare maintenance work plans. In addition, the maintenance level of the track and the quality of the repair work can also be evaluated based on the records of the rail inspection vehicle.
[0003] In order to ensure the detection accuracy of the detection vehicle, it is necessary to maintain its relative position with the rail when it is moving on the rail. In the prior art, a limiting wheel is set on the detection vehicle, and the limiting wheel is pressed against the inner side of the rail to maintain the position of the running wheel of the detection vehicle on the rail, thereby ensuring the accuracy of the detection; however, the method of setting the limiting wheel on the inner side to tighten the vehicle requires that the force applied to the running wheels on both sides of the vehicle be kept consistent when pulling the trolley, otherwise the detection vehicle will move in an S-shape or Z-shape, that is, the relative position of the running wheels of the detection vehicle and the detection elements and the rail will change, thereby affecting the accuracy of the detection. The above problems need to be solved urgently. Utility Model Content
[0004] The utility model discloses a guide device for a rail inspection vehicle and the rail inspection vehicle, aiming to solve the technical problems existing in the prior art.
[0005] The utility model adopts the following technical solutions:
[0006] On the one hand, the utility model provides a guide device for a rail inspection vehicle, the guide device comprising a first guide assembly, a second guide assembly and a mounting frame; the mounting frame is used to connect with the inspection vehicle; the first guide assembly is fixedly mounted on the mounting frame, and is used to guide the inner side of the rail; the second guide assembly is rotatably mounted on the mounting frame, and is used to guide the outer side of the rail, and has a guide position and an avoidance position higher than the guide position in the rotation direction; when the second guide assembly is located at the guide position, it can roll on the rail.
[0007] In the guide device for a rail inspection vehicle of the utility model, the first guide assembly includes a first frame and a first guide wheel; the first frame is fixedly connected to the mounting frame; the first guide wheel is rotatably mounted on the first frame and can roll along the inner side of the rail head.
[0008] In the guide device for a rail inspection vehicle of the utility model, the second guide assembly includes a second frame and a second guide wheel; the second frame is rotatably mounted on the mounting frame; the second guide wheel is rotatably mounted on the second frame and can roll along the outer side of the rail head.
[0009] In the guide device for a rail inspection vehicle of the utility model, the second guide assembly also includes a first limit member; the first limit member is arranged on the mounting frame and is located on the rotation line of the second frame body; the second frame body has a notch adapted to the first limit member; when the second guide assembly is in the guiding position, the first limit member is located in the notch to limit the second guide assembly from continuing to rotate.
[0010] The guide device for a rail inspection vehicle of the utility model further includes a second limit member; one end of the second limit member is detachably connected to the mounting frame, and can pass through the mounting frame to abut against the second frame body, so that the second frame body is maintained in an avoidance position or a guide position.
[0011] In the guide device for a rail inspection vehicle of the utility model, the first guide assembly includes one first guide wheel; the second guide assembly includes two second guide wheels; and the first guide wheel is located in the area between the second guide wheels.
[0012] In the guide device for a rail inspection vehicle of the utility model, the second guide assembly further includes a third guide wheel, the third guide wheel is arranged on one side or both sides of the first guide wheel, and the distance between the wheel surface and the rail is farther than that of the first guide wheel.
[0013] In the guide device for a rail inspection vehicle of the utility model, the guide device also includes a slider rail assembly and an elastic member; the rail of the slider rail assembly is used to connect with the inspection vehicle, and the slider is connected to the mounting frame; one side of the elastic member is fixedly installed, and the other side is connected to the mounting frame, so that the first guide assembly can approach or move away from the rail.
[0014] In a second aspect, the utility model also provides a rail inspection vehicle, which includes the above-mentioned guide device and a frame; the guide device is installed on the frame; the frame includes at least two running wheels; each running wheel is respectively provided with the guide device; the first guide assembly and the second guide assembly of the guide device are respectively located on both sides of the running wheel of the frame, and jointly guide the running wheel.
[0015] In the rail inspection vehicle of the utility model, the guide device located on the same rail includes a mounting frame, a first guide assembly, a second guide assembly, a slider rail assembly and an elastic member; the mounting frame is connected to the frame; the first guide assembly is mounted on the mounting frame for guiding the inner side of the rail; the second guide assembly is mounted on the mounting frame for guiding the outer side of the rail; the slide rail of the slider rail assembly is connected to the frame, and the slider is connected to the mounting frame; one side of the elastic member is fixedly mounted on the frame, and the other side is connected to the mounting frame, so that the first guide assembly is against the rail.
[0016] The technical solution adopted by the utility model can achieve the following beneficial effects:
[0017] The utility model mainly provides a guiding device for a rail inspection vehicle, which guides the inner and outer sides of the rail with a first guiding component and a second guiding component at the same time, thereby avoiding the problem that the inspection vehicle walks along an S-shaped track due to uneven force when pulling the inspection vehicle, thereby affecting the inspection accuracy, and can keep the relative positions of the running wheels and the inspection elements of the inspection vehicle and the rails stable, thereby making the inspection result more accurate; and since the second guiding component can be rotated to an avoidance position, the distance between the second guiding component and the first guiding component is increased, which facilitates the positioning of the rail between the second guiding component and the first guiding component when the inspection vehicle is placed on the rail, that is, the second guiding component 12 is rotated to the avoidance position, and then the second guiding component is lowered to the guiding position after the inspection vehicle is placed on the rail, and cooperates with the first guiding component for guidance. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the following is a brief introduction to the drawings required for the description of the embodiment, which constitute a part of the utility model. The schematic embodiment of the utility model and its description explain the utility model and do not constitute an improper limitation of the utility model. In the drawings:
[0019] Figure 1 This is a schematic diagram of the main structure of a guide device for a rail inspection vehicle according to the utility model;
[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of a guide device for a rail inspection vehicle according to the utility model;
[0021] Figure 3 This is a schematic diagram of the top view of the structure of a guide device for a rail inspection vehicle according to the utility model;
[0022] Figure 4 It is a structural schematic diagram of the second frame of the utility model when it is in the avoidance position;
[0023] Figure 5 It is a structural schematic diagram of the rail inspection vehicle of the utility model.
[0024] Description of reference numerals:
[0025] 1. Guide device; 11. First guide assembly; 111. First frame; 112. First guide wheel; 113. Third guide wheel; 12. Second guide assembly; 121. Second frame; 1211. Notch; 122. Second guide wheel; 123. First limit member; 124. Second limit member; 13. Mounting frame; 14. Slider and rail assembly; 15. Elastic member; 16. Guide rod; 2. Frame; 21. Travel wheel. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. In the description of the utility model, it should be noted that the term "or" is usually used in the sense of including "and / or", unless the content clearly indicates otherwise.
[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a magnetic connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, the meaning of "multiple" is at least two, such as two, three or more, etc., unless otherwise clearly and specifically limited.
[0028] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] In order to solve the problems existing in the prior art, the embodiments of the present application provide a guide device for a rail inspection vehicle and a rail inspection vehicle.
[0030] Example 1
[0031] This embodiment provides a guide device for a rail inspection vehicle, such as Figure 1As shown, the guide device 1 includes a first guide component 11, a second guide component 12 and a mounting frame 13; the mounting frame 13 is used to connect with the inspection vehicle; the first guide component 11 is fixedly mounted on the mounting frame 13, and is used to guide the inner side of the rail; the second guide component 12 is rotatably mounted on the mounting frame 13, and is used to guide the outer side of the rail; the second guide component 12 has a guide position and an avoidance position higher than the guide position in the rotation direction; when the second guide component 12 is in the guide position, it can roll on the rail; when it is in the avoidance position, the distance between the second guide component 12 and the first guide component 11 increases, specifically, the distance between the second guide component 12 and the guiding part of the first guide component 11 increases, so as to facilitate positioning the rail between the second guide component 12 and the first guide component 11.
[0032] The utility model discloses a guiding device for a rail inspection vehicle. Based on guiding the inner and outer sides of the rails simultaneously with a first guiding component 11 and a second guiding component 12, it is possible to prevent the inspection vehicle from walking along an S-shaped or Z-shaped track due to uneven force when pulling the inspection vehicle. When the walking wheel walking track tends to deviate, the second guiding component 12 limits the deviation of the walking wheel, thereby maintaining the relative position of the walking wheel and the inspection element of the inspection vehicle and the rails stable, thereby making the inspection result more accurate. Based on the fact that the second guiding component 12 can be rotated to an avoidance position, the distance between the second guiding component 12 and the first guiding component 11 is increased, which facilitates positioning the rails between the second guiding component 12 and the first guiding component 11 when placing the inspection vehicle on the rails, that is, rotating the second guiding component 12 to the avoidance position, and then placing the inspection vehicle on the rails and lowering the second guiding component 12 to the guiding position to cooperate with the first guiding component 11 for guidance.
[0033] In some preferred embodiments, Figure 1 and Figure 2 As shown, the first guide assembly 11 includes a first frame 111 and a first guide wheel 112; the first frame 111 is connected to the mounting frame 13; the first guide wheel 112 is rotatably mounted on the first frame 111 and can roll along the inner side of the rail head; preferably, the first guide wheel 112 is made of hard rubber to be insulated from the rail.
[0034] In some preferred embodiments, Figure 2 and Figure 4 As shown, the second guide assembly 12 includes a second frame 121 and a second guide wheel 122; the second frame 121 is installed on the mounting frame 13; the second guide wheel 122 is rotatably installed on the second frame 121 and can roll along the outer side of the rail head; preferably, the second guide wheel 122 is made of hard rubber to be insulated from the rail.
[0035] Preferably, if Figure 1 , Figure 2 and Figure 4 As shown, the second frame 121 is rotatably mounted on the mounting frame 13, and has a guide position and an avoidance position higher than the guide position in the rotation direction. When the second frame 121 is located at the avoidance position, the distance between the second guide assembly 12 and the first guide assembly 11 is increased, which makes it easier to position the rail between the second guide assembly 12 and the first guide assembly 11 when the inspection vehicle is placed on the rail.
[0036] Preferably, if Figure 1 , Figure 2 and Figure 4 As shown, the second guide assembly 12 also includes a first limit member 123; the first limit member 123 is arranged on the mounting frame 13 and is located on the rotation line of the second frame body 121; the second frame body 121 has a notch 1211 adapted to the first limit member 123; when the second guide assembly 12 is in the guiding position, the first limit member 123 is located in the notch 1211 to limit the second guide assembly 12 from continuing to rotate; the first limit member 123, such as a limit rod, cooperates with the notch 1211 to limit, the structure is simple, and it is easy to manufacture.
[0037] Preferably, if Figure 1 , Figure 2 and Figure 4 As shown, it also includes a second limit member 124; one end of the second limit member 124 is detachably attached to the mounting frame 13, and can pass through the mounting frame 13 to abut against the second frame body 121, so that the second frame body 121 is maintained in an avoidance position. Specifically, one end of the second limit member 124 can be plugged into the second frame body 121 or screwed to the second frame body 121; based on the setting of the second limit member 124, the second frame body 121 can be maintained in an avoidance position or a guide position, such as a positioning hole provided on the first frame body 111 for cooperating with the second limit member 124 for plugging.
[0038] In some preferred embodiments, Figure 1 and Figure 3 As shown, the first guide assembly 11 includes a first guide wheel 112; the second guide assembly 12 includes two second guide wheels 122; the first guide wheel 112 is located in the area between the second guide wheels 122, and the rail is located between the first guide wheel 112 and the second guide wheel 122, such as a clearance fit arrangement; based on this arrangement, the inspection vehicle can pass smoothly when passing through the turning area, avoiding the situation where the first guide assembly 11 and the second guide assembly 12 are stuck in the turning area; preferably, the first guide assembly 11 also includes a third guide wheel 113, the third guide wheel 113 is arranged on one side or both sides of the first guide wheel 112, and the distance between the wheel surface and the rail is farther than that of the first guide wheel, and the third guide wheel 113 is used to maintain stability when the inspection vehicle passes through the rail turning area.
[0039] In some preferred embodiments, Figure 1 and Figure 2 As shown, the guide device 1 also includes a slider rail assembly 14 and an elastic member 15; the rail of the slider rail assembly 14 is used to connect with the inspection vehicle, and the slider is connected to the mounting frame 13; one side of the elastic member 15 is fixedly installed, and the other side is connected to the mounting frame 13, so that the first guide assembly 11 can approach or move away from the rail; preferably, the elastic expansion and contraction direction of the elastic member 15 is in the same direction as the extension direction of the guide rail; based on the arrangement of the slider rail assembly 14 and the elastic member 15, the first guide assembly 11 and the second guide assembly 12 can approach or move away from the rail, which can adapt to changes in the width between the rails and further improve the scope of application; preferably, the slider rail assembly 14 and the elastic member 15 are 2 in number and symmetrically arranged to keep the force on the first guide assembly 11 balanced.
[0040] Preferably, if Figure 1 and Figure 2 As shown, the elastic member 15 is a spring, which is sleeved on a guide rod 16 arranged on the mounting frame 13; one side of the guide rod 16 is connected to the inspection vehicle through a fixing member 17, and the guide rod 16 can move relative to the fixing member 17, and the moving direction is parallel to the extension direction of the slide rail. The other side is fixed on the mounting frame 13 or the slider or the first frame body 111. Taking fixing on the mounting frame 13 as an example, at this time, one end of the spring is against the fixing member and the other end is against the mounting frame 13; or the guide rod 16 can be set on the guide rail; the specific setting can be made according to the actual situation.
[0041] Example 2
[0042] This embodiment provides a rail inspection vehicle, such as Figure 5 As shown, it includes the guide device 1 and the frame 2 in the above-mentioned embodiment 1; the guide device 1 is installed on the frame 2; the frame 2 includes at least two running wheels 21, and the running wheels 21 are rotatably installed on the frame 2; they are used to run on two rails respectively; each running wheel 21 is provided with a guide device 1; the first guide component 11 and the second guide component 12 of the guide device 1 are respectively located on both sides of the running wheel 21 of the frame 2, and guide the running wheel 21 together; the rail inspection vehicle of the utility model limits and guides both sides of the rail based on the first guide component 11 and the second guide component 12 of the guide device 1 respectively, so even if there is an unbalanced force when pulling the inspection vehicle, there will be no problem of the inspection vehicle running along the S-shaped track, thereby ensuring the accuracy of the inspection.
[0043] In some preferred embodiments, the number of the running wheels 21 is 4, and each running wheel 21 is provided with a guide device 1 , so that the stability of the detection vehicle during movement is improved based on the four running wheels 21 .
[0044] In some preferred embodiments, the guide device 1 located on the same rail includes a mounting frame 13, a first guide component 11, a second guide component 12, a slider rail assembly 14 and an elastic member 15; the mounting frame 13 is connected to the frame 2; the first guide component 11 is mounted on the mounting frame 13, and is used to guide the inner side of the rail; the second guide component 12 is mounted on the mounting frame 13, and is used to guide the outer side of the rail; the slide rail of the slider rail assembly 14 is connected to the frame 2, and the slider is connected to the mounting frame 13; one side of the elastic member 15 is fixedly mounted on the frame 2, and the other side is connected to the mounting frame 13, so that the first guide component 11 is against the rail; based on the guide device 1 including the slider rail assembly 14 and the elastic member 15, the adaptability of the inspection vehicle to the width change between the rails is improved, and the scope of application of the inspection vehicle is improved.
[0045] The embodiments of the utility model are described above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, all of which are within the protection of the utility model.
Claims
1. A guide device for a rail inspection vehicle, characterized in that: The guide device comprises a first guide assembly, a second guide assembly and a mounting frame; The mounting frame is used to connect with the inspection vehicle; The first guide assembly is fixedly mounted on the mounting frame and is used to guide the inner side of the rail; The second guide assembly is rotatably mounted on the mounting frame and is used to guide the outer side of the rail. The second guide assembly has a guide position and an avoidance position higher than the guide position in the rotation direction. When the second guide assembly is located at the guide position, it can roll on the rail.
2. The guide device for a rail inspection vehicle according to claim 1, characterized in that: The first guide assembly includes a first frame and a first guide wheel; The first frame is connected to the mounting frame; The first guide wheel is rotatably mounted on the first frame and can roll along the inner side surface of the rail head.
3. The guide device for a rail inspection vehicle according to claim 1, characterized in that: The second guide assembly includes a second frame and a second guide wheel; The second frame is rotatably mounted on the mounting frame; The second guide wheel is rotatably mounted on the second frame and can roll along the outer side surface of the rail head.
4. The guide device for a rail inspection vehicle according to claim 3, characterized in that: The second guide assembly further includes a first stopper; The first position-limiting member is disposed on the mounting frame and is located on the rotation line of the second frame; The second frame has a notch adapted to the first limiting member; When the second guide assembly is located at the guiding position, the first limiting member is located in the notch to limit the second guide assembly from further rotation.
5. The guide device for a rail inspection vehicle according to claim 3, characterized in that: Also includes a second limiting member; One end of the second position-limiting member is detachably connected to the mounting frame, and can pass through the mounting frame to abut against the second frame body, so that the second frame body is kept in the avoiding position or the guiding position.
6. The guide device for a rail inspection vehicle according to any one of claims 1 to 5, characterized in that: The first guide assembly includes one first guide wheel; the second guide assembly includes two second guide wheels; The first guide wheel is located in a region between the second guide wheels.
7. The guide device for a rail inspection vehicle according to claim 6, characterized in that: The second guide assembly also includes a third guide wheel; the third guide wheel is arranged on one side or both sides of the first guide wheel, and the distance between the wheel surface and the rail is farther than that of the first guide wheel.
8. The guide device for a rail inspection vehicle according to any one of claims 1 to 5, characterized in that: The guide device also includes a slider rail assembly, an elastic member and a guide rod; The slide rail of the slider and rail assembly is used to connect with the inspection vehicle, and the slider is connected to the mounting frame; One side of the elastic member is fixedly installed, and the other side is connected to the mounting frame, so that the first guide assembly can approach or move away from the rail.
9. A rail inspection vehicle, characterized in that: A guide device and a frame comprising any one of claims 1 to 8; The guide device is mounted on the frame; The frame comprises at least two running wheels; each running wheel is provided with the guide device respectively; The first guide assembly and the second guide assembly of the guide device are respectively located on both sides of the running wheel of the frame, and jointly guide the running wheel.
10. The rail inspection vehicle according to claim 9, characterized in that: The guide device located on the same rail includes a mounting frame, a first guide assembly, a second guide assembly, a slider rail assembly and an elastic member; The mounting frame is connected to the vehicle frame; The first guide assembly is mounted on the mounting frame and is used to guide the inner side of the rail; The second guide assembly is mounted on the mounting frame and is used to guide the outer side of the rail; The slide rail of the slider and slide rail assembly is connected to the frame, and the slider is connected to the mounting frame; One side of the elastic member is fixedly mounted on the vehicle frame, and the other side is connected to the mounting frame, so that the first guide assembly abuts against the rail.