Track self-laying and self-walking mechanism for tunnel lining trolley
By designing a track self-laying mechanism for tunnel lining trolleys, using components such as rack and rack meshing and hydraulic rods, the problems of track lifting and self-laying are solved, and the track is conveniently lifting and self-laying are achieved, which is convenient to use and has high safety.
Patent Information
- Application Number
- CN202422085331.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-27
AI Technical Summary
There is a lack of a device in the prior art to facilitate track lifting and lowering, and to use rack and rack meshing to drive the track or lining trolleys to walk.
A self-laying mechanism for tunnel lining trolley tracks is designed, and the tracks are lifted and laid and laid themselves through components such as trolley mounting plates, hydraulic rods, vertical frames, motors, racks and racks meshing.
It realizes convenient lifting and self-laying of the track. It drives the track or lining trolley to walk through the meshing of rack and rack, which is convenient to use and safe.
Smart Images

Figure CN222949877U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of self-propelled lining trolleys, in particular to a self-propelled mechanism for self-laying tracks of tunnel lining trolleys. Background Art
[0002] The concrete lining trolley is an indispensable non-standard product for secondary lining in the tunnel construction process. It is used for the concrete lining construction of the inner wall of the tunnel. During the movement of the concrete lining trolley, the workers need to use external force to move the track back and forth, which is time-consuming and labor-intensive, and increases the workload of the workers while affecting the progress of the project.
[0003] The prior art, for example, is a utility model of a self-tracking walking device for a lining trolley, with the authorization announcement number CN220724727U. The device is connected to the lifting device of the lining trolley through a connecting frame, the lifting device of the lining trolley controls the working mode of the track conveying mechanism, and the track required for the lining trolley to travel is moved through the track conveying mechanism.
[0004] The invention discloses a self-tracking walking device and a tunnel lining trolley, and the authorization announcement number is CN110552720B. The walking device is directly connected to the bottom of the guide sleeve, and the lifting device can realize the lifting and lowering of the whole device, and drive the walking device to extend and retract up and down. When the bridge frame is supported on the ground, the track wheel clamps and pushes the track to move into place; when the track is placed on the ground, the lifting device drives the walking wheel down to contact the track, the bridge frame is separated from the ground, and then the whole device is pushed forward by the walking wheel, thereby realizing the self-tracking function of the invention. The whole device has a simple and reliable structure, which greatly improves the efficiency of tunnel construction.
[0005] Invent a fully automatic hydraulic travel system for a tunnel lining trolley, application number: 201510163414.0. Invent a fully automatic hydraulic travel system for a tunnel lining trolley with high safety performance, stable travel, convenient operation, high degree of automation and high control accuracy.
[0006] At present, there is still a lack of a device that can facilitate the lifting of the track and use gear rack meshing to drive the track or lining trolley to move.
[0007] Therefore, in view of the above problems, a self-propelled mechanism for self-laying track of a tunnel lining trolley is proposed to solve the above problems. Utility Model Content
[0008] In view of the deficiencies in the prior art, the utility model develops a self-propelled mechanism for laying and moving tracks of tunnel lining trolleys. The utility model can conveniently realize track lifting and lowering, adopts gear rack meshing to drive the track to move, and realizes self-laying and self-driving.
[0009] The technical solution to the technical problem solved by the utility model is as follows: the utility model provides a self-propelled mechanism for the trolley track for tunnel lining, comprising: a trolley mounting plate, the trolley mounting plate is connected to a vertical frame; at least one U-shaped frame, two vertical plates of which are respectively connected to a group of evenly distributed wheel axles by bearings, each of the wheel axles is respectively connected to a wheel, and the U-shaped frame is connected to the vertical frame; a track is provided with symmetrical track grooves, each of the wheels is respectively nested in the corresponding track groove; at least one power assembly is provided on one side of the vertical frame, and the power assembly is connected to the vertical frame. By arranging the wheels in the track grooves and mounting the trolley on the trolley mounting plate, the movement of the trolley along the track is facilitated.
[0010] As an optimization, the power assembly includes a motor, the motor is connected to a motor bracket, the motor bracket is connected to the vertical frame, the output shaft of the motor is connected to a rotating shaft, the rotating shaft is connected to a gear, the track is connected to a rack, and the gear meshes with the rack. By using a motor and meshing the gear and rack, when the motor rotates, the relative movement of the trolley and the track is achieved.
[0011] As an optimization, the track is connected to a mounting plate, the mounting plate is connected to at least one guide round rod, the U-shaped frame is provided with a round groove, and the guide round rod is arranged in the round groove. By arranging the guide round rod in the round groove, the stability of the trolley movement is enhanced.
[0012] As an optimization, the two ends of the track are respectively connected to limit plates. By adopting the limit plates, the wheels are prevented from leaving the track.
[0013] As an optimization, the trolley mounting plate is connected to at least one hydraulic rod, and the push rod of the hydraulic rod is connected to the support plate. By using the hydraulic rod, the hydraulic rod is extended to make the support plate contact the ground, so that the trolley is raised, the track is separated from the ground, and when the motor rotates, the track moves, and the track is laid and moved automatically.
[0014] As an optimization, the support plate is made of cast iron.
[0015] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:
[0016] (1) This device uses gear rack meshing to drive the track or lining trolley to move, which is easy to use.
[0017] (2) This device uses a limit plate to limit the wheel, preventing the wheel from leaving the track, making it safer to use.
[0018] (3) This device is driven by a hydraulic rod to make the support plate contact the ground, so that the device rises and the track is slightly higher than the ground, making it easier for the track to be laid and moved by itself. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0021] Figure 2 It is a schematic diagram of a partial three-dimensional structure of the utility model.
[0022] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model.
[0023] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the utility model.
[0024] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the utility model.
[0025] In the figure: 1, trolley mounting plate, 2, hydraulic rod, 3, vertical frame, 4, motor bracket, 5, motor, 6, track, 7, track groove, 8, rack, 9, rotating shaft, 10, gear, 11, mounting plate, 12, guide round rod, 13, support plate, 14, limit plate, 15, U-shaped frame, 16, round groove, 17, wheel, 18, axle. DETAILED DESCRIPTION
[0026] In order to clearly illustrate the technical features of this solution, the utility model is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. 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 an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between 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.
[0027] like Figures 1 to 5 As shown, embodiment 1: a self-propelled mechanism for trolley track laying for tunnel lining, comprising: a trolley mounting plate 1, the trolley mounting plate 1 is connected to a vertical frame 3; at least one U-shaped frame 15, two vertical plates of which are respectively connected to a group of evenly distributed wheel axles 18 by bearings, each of the wheel axles 18 is respectively connected to a wheel 17, and the U-shaped frame 15 is connected to the vertical frame 3; a track 6, provided with symmetrical track grooves 7, each of the wheels 17 is respectively nested in the corresponding track groove 7; at least one power assembly is arranged on one side of the vertical frame 3, and the power assembly is connected to the vertical frame 3. By arranging the wheels 17 in the track groove 7, the trolley is mounted on the trolley mounting plate 1, so that the trolley can move along the track 6 conveniently.
[0028] The power assembly includes a motor 5, the motor 5 is connected to a motor bracket 4, the motor bracket 4 is connected to the vertical frame 3, the output shaft of the motor 5 is connected to a rotating shaft 9, the rotating shaft 9 is connected to a gear 10, the track 6 is connected to a rack 8, and the gear 10 meshes with the rack 8. By adopting the motor 5 and the meshing of the gear and rack, when the motor 5 rotates, the relative movement of the trolley and the track 6 is achieved.
[0029] The two ends of the track 6 are respectively connected to the limiting plates 14. By adopting the limiting plates 14, the wheels 17 are prevented from leaving the track 6.
[0030] The trolley mounting plate 1 is connected to at least one hydraulic rod 2, and the push rod of the hydraulic rod 2 is connected to the support plate 13. By using the hydraulic rod 2, the hydraulic rod 2 is extended to make the support plate 13 contact the ground, so that the trolley is raised, and the track 6 is out of contact with the ground. When the motor 5 rotates, the track 6 moves, and the track is laid and self-propelled.
[0031] The support plate 13 is made of cast iron.
[0032] The workflow of this embodiment is:
[0033] When the trolley moves, the motor 5 is controlled to rotate, the motor 5 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the gear 10 to rotate, the gear 10 engages with the rack 8, and the gear 10 rotates and moves at the same time, so as to realize the movement of the rotating shaft 9, the motor 5, the motor bracket 4, the vertical frame 3, the trolley mounting plate 1, the hydraulic rod 2, the support plate 13, the U-shaped frame 15 and the axle 18, and the axle 18 drives the wheel 17 to move and rotate along the track groove 7, and the wheel 17 drives the axle 18 to rotate.
[0034] When the track 6 moves, the hydraulic rod 2 is controlled to extend, driving the support plate 13 to move, so that the support plate 13 contacts the ground, driving the device as a whole to rise, so that the track 6 is slightly higher than the ground, and controlling the motor 5 to rotate, the motor 5 drives the gear 10 to rotate, the gear 10 drives the rack 8 to move, the rack 8 drives the track 6 to move, and the track 6 drives the wheel 17 to rotate.
[0035] Embodiment 2: This embodiment is further described on the basis of embodiment 1, wherein the track 6 is connected to the mounting plate 11, the mounting plate 11 is connected to at least one guide round rod 12, the U-shaped frame 15 is provided with a round groove 16, and the guide round rod 12 is arranged in the round groove 16. By arranging the guide round rod 12 in the round groove 6, the stability of the trolley movement is enhanced.
[0036] The workflow of this embodiment is:
[0037] When the trolley moves, the U-shaped frame 15 moves along the guide round rod 12. When the track 6 moves, the guide round rod 12 moves relatively along the U-shaped frame 15.
[0038] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.
Claims
1. A self-propelled mechanism for laying track of a tunnel lining trolley, characterized in that: include: A trolley mounting plate (1), wherein the trolley mounting plate (1) is connected to the vertical frame (3); At least one U-shaped frame (15), two vertical plates of which are respectively connected to a group of evenly distributed wheel axles (18) by bearings, each of the wheel axles (18) being respectively connected to a wheel (17), and the U-shaped frame (15) being connected to the vertical frame (3); The track (6) is provided with symmetrical track grooves (7), and each wheel (17) is respectively nested in the corresponding track groove (7); At least one power assembly is arranged on one side of the vertical frame (3), and the power assembly is connected to the vertical frame (3).
2. The self-propelled mechanism for self-laying track of a tunnel lining trolley according to claim 1 is characterized by: The power assembly comprises a motor (5), the motor (5) is connected to a motor bracket (4), the motor bracket (4) is connected to the vertical frame (3), the output shaft of the motor (5) is connected to a rotating shaft (9), the rotating shaft (9) is connected to a gear (10), the track (6) is connected to a rack (8), and the gear (10) meshes with the rack (8).
3. The self-propelled mechanism for self-laying track of a tunnel lining trolley according to claim 1 is characterized by: The track (6) is connected to a mounting plate (11), the mounting plate (11) is connected to at least one guide round rod (12), the U-shaped frame (15) is provided with a round groove (16), and the guide round rod (12) is arranged in the round groove (16).
4. The self-propelled mechanism for self-laying track of a tunnel lining trolley according to claim 1 is characterized by: Both ends of the track (6) are respectively connected to limit plates (14).
5. The self-propelled mechanism for self-laying track of a tunnel lining trolley according to claim 1 is characterized by: The trolley mounting plate (1) is connected to at least one hydraulic rod (2), and a push rod of the hydraulic rod (2) is connected to a support plate (13).
6. The self-propelled mechanism for self-laying track of a tunnel lining trolley according to claim 5 is characterized by: The support plate (13) is made of cast iron.
Citation Information
Patent Citations
A fully automatic hydraulic traveling system of a tunnel lining trolley
CN104806269B
A self-tracking walking device and a tunnel lining trolley
CN110552720B
Self-track-laying walking device of lining trolley
CN220724727U