Tunnel secondary lining trolley walking mechanism with anti-skid function

Abstract

The utility model discloses a tunnel secondary lining trolley walking mechanism with an anti-skid function, and relates to the field of tunnel construction equipment. The secondary lining trolley is mainly designed for solving the problems that an existing secondary lining trolley is not provided with an anti-skid structure during construction, and the safety coefficient is low. The trolley comprises a frame fixed to the bottom of the trolley, and walking mechanisms are arranged on the two sides of the frame. The walking mechanism comprises a driving wheel, a driven wheel and a crawler belt, the driving wheel is connected with an output shaft of the driving motor, the steel rail comprises a bottom plate and side plates, a plurality of first protruding blocks are fixed to the bottom plate of the steel rail, the space between every two adjacent first protruding blocks is an anti-skid groove, and a plurality of second protruding blocks are fixed to the surface of a crawler belt plate. Clamping grooves are formed in the upper ends of side plates of the steel rails, and connecting rods on the tops of the clamping grooves are rotationally connected to axles of the driving wheels. A plurality of arc-shaped clamping grooves are formed in side plates of the steel rails, grooves are formed in side plates of the clamping grooves, telescopic springs are arranged in the grooves, telescopic blocks are arranged at the other ends of the telescopic springs, and balls are installed on the telescopic blocks. The device has the advantage of effectively preventing the device from slipping.

Description

Technical Field

[0001] The utility model relates to the field of tunnel construction equipment, in particular to a tunnel secondary lining trolley walking mechanism with an anti-slip function. Background Art

[0002] Tunnel construction refers to the process of excavating and building tunnels underground or in mountains. During the tunnel construction process, the tunnel secondary lining trolley is mainly used as a special vehicle for transporting and installing the secondary lining inside the tunnel. It has sufficient carrying capacity and mobility, plays an important role in tunnel construction, can improve construction efficiency, ensure the quality of the secondary lining, and provide a safe and reliable foundation for the project.

[0003] During construction, existing secondary lining trolleys are usually laid with rails and run on the rails via moving wheels. The moving wheels are in direct contact with the rails and no anti-skid structure is set. If the rails are slippery, the secondary lining trolley is likely to slip during movement or slide when it stops, causing damage to the secondary lining trolley itself and posing a certain threat to personnel safety, and the construction safety factor is low. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a tunnel secondary lining trolley walking mechanism with an anti-skid function which can reduce the safety risk caused by the sliding of the secondary lining trolley during the construction process.

[0005] The purpose of the utility model is achieved as follows: it includes a frame, the frame is fixed to the bottom of the tunnel secondary lining trolley body, and the left and right sides of the frame are respectively provided with walking mechanisms;

[0006] The walking mechanism comprises two driving wheels and a plurality of driven wheels arranged front and rear, the driven wheels are connected to the frame through shafts, tracks are sleeved on the driving wheels and the plurality of driven wheels, the two driving wheels are respectively connected to the output shafts of two driving motors, and the two driving motors are fixed to the frame; its characteristic is that it also comprises two rails corresponding to the two walking mechanisms, the cross section of the rails is a groove shape with an opening facing upward, that is, the rails comprise a bottom plate and two side plates extending upward connected to the left and right ends of the bottom plate as one body, a plurality of first protrusions arranged front and rear are fixed on the bottom plate of the rails, a distance is left between two adjacent first protrusions, the space between two adjacent first protrusions is an anti-skid groove, a plurality of second protrusions arranged front and rear are fixed on the surface of the track shoe (the side facing outward), a distance is left between two adjacent second protrusions, and the specifications and dimensions of the second protrusions are adapted to the specifications and dimensions of the anti-skid groove on the rails.

[0007] The first protrusion and the second protrusion are both trapezoidal, and the anti-slip groove is also trapezoidal.

[0008] The upper ends of the two side plates of each rail are equipped with a downward-opening clamping groove, that is, the clamping groove consists of a top plate and two downward-extending side plates connected to the left and right ends of the top plate as a whole. The clamping groove is clamped on the two side plates of the rail, and the tops of the two clamping grooves are hinged with connecting rods, and the other ends of the two connecting rods are respectively rotatably connected to the wheel axles of the driving wheels of the walking mechanism.

[0009] Each rail side plate is provided with a plurality of arc-shaped slots arranged equidistantly front to back on the side facing the clamping groove, the openings of the arc-shaped slots all face the side plates of the clamping groove, the two side plates of the clamping groove are provided with grooves on the side facing the rail side plates, the openings of the grooves all face the side plates of the rail, each groove is provided with a telescopic spring, one end of the telescopic spring is fixed to the groove bottom of the groove, the other end of the telescopic spring is fixed with a telescopic block, the telescopic block is rotatably mounted with a ball on the side facing the arc-shaped slot, the end of the ball facing the arc-shaped slot is exposed from the telescopic block, and the specifications and dimensions of the ball are adapted to the specifications and dimensions of the arc-shaped slot.

[0010] The inner surface of the clamping groove is provided with an anti-slip rubber layer.

[0011] The advantages of the utility model are: the traditional cooperation between the moving wheel and the rail is changed, and the moving wheel is changed into a crawler design in which the driving wheel drives and the driven wheel rotates in coordination. A plurality of second protrusions are provided on the surface of the crawler, which cooperate with the anti-skid grooves formed between the plurality of first protrusions on the rail. When the device moves, the second protrusions cooperate with the anti-skid grooves, which effectively prevents the device from slipping. At the same time, the telescopic block in the clamping groove is continuously compressed and stretched under the action of the telescopic spring, so that the ball is inserted into the arc-shaped clamping groove for fixed locking when the device stops, fixing the device and the rail, avoiding the device from sliding, improving the anti-skid ability of the device, ensuring the safe operation of the tunnel secondary lining trolley, and reducing the risks and problems caused by sliding during the construction process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a main structural schematic diagram of the utility model;

[0013] Figure 2 It is a left-side structural schematic diagram of the utility model;

[0014] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure at point A in the middle. DETAILED DESCRIPTION

[0015] Combine the following Figure 1-3 Further explain the utility model;

[0016] It includes a vehicle frame 1, which is fixed at the bottom of a tunnel secondary lining trolley body 2, and a walking mechanism is provided on the left and right sides of the vehicle frame;

[0017] The walking mechanism includes two driving wheels 3 and a plurality of driven wheels 4 arranged front and rear, the driven wheels are connected to the frame through shafts, and tracks 5 are provided outside the driving wheels and the plurality of driven wheels, and the two driving wheels are respectively connected to the output shafts of two driving motors 6, and the two driving motors are fixed to the frame; it is characterized in that it also includes two rails 7 corresponding to the two walking mechanisms, the cross section of the rails is a groove shape with an opening facing upward, that is, the rails include a bottom plate 71 and two side plates 72 extending upward connected to the left and right ends of the bottom plate, and a plurality of front and rear arranged side plates are fixed to the bottom plate of the rails A first protrusion 73, a distance is left between two adjacent first protrusions, and the space between the two adjacent first protrusions is an anti-skid groove 74. A plurality of second protrusions 51 arranged front and back are fixed on the surface of the track shoe (the side facing outward), and a distance is left between two adjacent second protrusions. The specifications and dimensions of the second protrusions are adapted to the specifications and dimensions of the anti-skid groove on the rail. The second protrusions can be placed in the anti-skid groove, and the track shoe walks in the groove of the rail. When the device moves, the cooperation between the second protrusions on the track shoe and the anti-skid groove is achieved, so that the device can be mutually coordinated and stuck during the walking process, thereby improving the anti-skid ability.

[0018] The first protrusion and the second protrusion are both trapezoidal, and the anti-slip groove is also trapezoidal.

[0019] The upper ends of the two side plates 72 of each rail 7 are fitted with a downward-opening clamping groove 8, that is, the clamping groove consists of a top plate and two downward-extending side plates connected to the left and right ends of the top plate as a whole, the clamping groove is clamped on the two side plates of the rail, and the tops of the two clamping grooves are hinged with connecting rods 9, and the other ends of the two connecting rods are respectively rotatably connected to the wheel axles of the driving wheels of the walking mechanism.

[0020] Each rail side plate is provided with a plurality of arc-shaped slots 75 arranged equidistantly front to back on the two side surfaces facing the clamping groove, the openings of the arc-shaped slots all face the side plates of the clamping groove, and the two side plates of the clamping groove are provided with grooves 81 on the side facing the rail side plates, and the openings of the grooves all face the side plates of the rail, and a telescopic spring 82 is provided in each groove, one end of the telescopic spring 82 is fixed to the groove bottom of the groove, and a telescopic block 83 is fixed to the other end of the telescopic spring, and a ball 84 is rotatably installed on the side facing the arc-shaped slot, and the end of the ball facing the arc-shaped slot is exposed from the telescopic block, and the specifications and dimensions of the ball are adapted to the specifications and dimensions of the arc-shaped slot, and the rotatable ball cooperates with the telescopic spring to facilitate the device to continuously clamp the ball into the arc-shaped slot during movement, thereby fixing the stopped device, and the specifications and dimensions of the ball are adapted to the specifications of the slot, so that the fixed clamping is tighter, thereby increasing the stability of the fixation.

[0021] The inner surface of the clamping groove is provided with an anti-skid rubber layer 85, which increases the friction between the clamping groove and the rail, thereby improving the anti-skid performance of the device.

[0022] When the second lining trolley is in mobile construction, first align the crawler tracks at the bottom of the vehicle body with the rails and insert them into the rails. At this time, the two driving motors work to drive the two active wheels to rotate, thereby driving the crawler tracks to rotate. At the same time, the driven wheels rotate along with the crawler tracks to share the pressure on the two active wheels. The second protrusions on the surface of the crawler tracks cooperate with the anti-skid grooves on the rails. During the movement of the device, the second protrusions are continuously inserted into the anti-skid grooves for fixed matching, thereby increasing the anti-skid performance. At the same time, the telescopic blocks in the card slots are continuously compressed and stretched under the action of the telescopic springs, thereby making the balls inserted into the arc-shaped card slots for fixed locking and anti-skid braking to prevent sliding when the device stops, or the balls rotate with the movement of the device, and the telescopic springs are compressed to make the balls extend out of the card slots for movement, thereby ensuring the normal movement of the device.

[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A tunnel secondary lining trolley travel mechanism with an anti-skid function, comprising a frame (1), the frame being fixed to the bottom of a tunnel secondary lining trolley body (2), and travel mechanisms being respectively provided on the left and right sides of the frame; The walking mechanism comprises two driving wheels (3) arranged front and rear and a plurality of driven wheels (4), the driven wheels are connected to the frame via shafts, crawler tracks (5) are provided outside the driving wheels and the plurality of driven wheels, the two driving wheels are respectively connected to the output shafts of two drive motors (6), and the two drive motors are fixed to the frame; the characteristics are: It also includes two steel rails (7) corresponding to the two walking mechanisms, wherein the cross section of the steel rail is a groove shape with an opening facing upward, that is, the steel rail includes a bottom plate (71) and two side plates (72) connected to the left and right ends of the bottom plate and extending upward, a plurality of first protrusions (73) arranged in a front-to-back manner are fixed on the bottom plate of the steel rail, a distance is left between two adjacent first protrusions, and the space between the two adjacent first protrusions is an anti-skid groove (74), and a plurality of second protrusions (51) arranged in a front-to-back manner are fixed on the surface of the track shoe, a distance is left between two adjacent second protrusions, and the specifications and dimensions of the second protrusions are adapted to the specifications and dimensions of the anti-skid groove on the steel rail; The upper ends of the two side plates (72) of each rail (7) are matched with a clamping groove (8) with an opening facing downward, that is, the clamping groove is composed of a top plate and two side plates extending downward and connected to the left and right ends of the top plate as a whole, the clamping groove is clamped on the two side plates of the rail, and the tops of the two clamping grooves are hinged with connecting rods (9), and the other ends of the two connecting rods are respectively rotatably connected to the wheel axles of the driving wheels; Each rail side plate is provided with a plurality of arc-shaped slots (75) arranged equidistantly in front and back on two side surfaces facing the clamping groove, the openings of the arc-shaped slots all face the side plates of the clamping groove, the two side plates of the clamping groove are provided with grooves (81) on the side facing the rail side plate, the openings of the grooves all face the side plates of the rail, each groove is provided with a telescopic spring (82), one end of the telescopic spring is fixed to the groove bottom of the groove, the other end of the telescopic spring is fixed with a telescopic block (83), a ball bearing (84) is rotatably mounted on the side of the telescopic block facing the arc-shaped slot, the end of the ball bearing facing the arc-shaped slot is exposed from the telescopic block, and the specification and size of the ball bearing are adapted to the specification and size of the arc-shaped slot.

2. The tunnel secondary lining trolley travel mechanism with anti-skid function according to claim 1 is characterized in that: The first protrusion and the second protrusion are both trapezoidal, and the anti-slip groove is also trapezoidal.

3. The tunnel secondary lining trolley travel mechanism with anti-skid function according to claim 1 or 2, characterized in that: The inner surface of the clamping groove is provided with an anti-slip rubber layer (85).

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