Prestressed concrete sleeper anti-collision limiting device

Abstract

The utility model discloses a prestressed concrete sleeper anti-collision limiting device which comprises a transverse plate, a sliding groove is formed in the middle of the transverse plate, a threaded rod is rotationally connected to the interior of the sliding groove, a first bevel gear is fixedly connected to the end, away from the sliding groove, of the threaded rod, and a movable plate is connected to the surface of the threaded rod in a threaded mode. And the top of the moving plate is fixedly connected with a reinforcing plate. A rotating handle is rotated, a second bevel gear rotates, and a first bevel gear drives a threaded rod to rotate, so that a movable plate slides in a sliding groove, the distance between a limiting block and a sleeper is adjusted, a ball makes contact with one side of the sleeper and limits the sleeper, the deviation condition in the moving process is prevented, and the service life of the sleeper is prolonged. And if the supporting frame vibrates to cause the sleeper to deflect, the sleeper extrudes the balls towards one side, and the connecting springs are extruded and contracted, so that a certain displacement space is provided for the sleeper, and the sleeper is prevented from colliding with the limiting blocks.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bridge engineering construction technical field, concretely is a kind of pre-stressed concrete sleeper anti-bump limiting device. BACKGROUND

[0002] Concrete sleeper is used as concrete product of railway sleeper, cement, sand, stone, water and admixture are mixed into mixture according to certain proportion, pour into combined model with steel wire or reinforcing bar, adopt vibration forming or load vibration forming, steam curing, release steel wire or reinforcing bar, cut the end part of sleeper and the like to make concrete sleeper product.

[0003] According to the utility model of a kind of pre-stressed concrete sleeper anti-bump limiting device of public number CN221112303U, including limiting support and limiting roller, limiting support is fixed at equal intervals on the frame beam of conveying roller way, and limiting support is rotatably installed with limiting roller corresponding the transport height position of sleeper, limiting roller is made of flexible material, the roller edge of limiting roller protrudes limiting support and extends to the inner edge of the frame beam of conveying roller way inside a distance.The utility model structure is simple, and design is ingenious, by being provided with limiting support and the limiting roller made of flexible material in the both sides of conveying roller way, when the deviation of sleeper finished product occurs in conveying process, will preferentially encounter limiting roller, limiting roller can separate sleeper from limiting support, avoid the damage of the knock of sleeper, and, the rotation guide effect of limiting roller can also adjust the advancing posture of sleeper, so that sleeper can be smoothly completed conveying, ensure the appearance quality of sleeper finished product, and will not cause the consequence of production efficiency reduction.

[0004] The limiting roller and the like structure can realize the adjustment of the advancing direction of sleeper, and avoid the knock of sleeper, but since limiting roller is only provided on one side of sleeper, when sleeper deflects to the middle, lack limiting device, and the collision of two sleepers can easily occur. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of pre-stressed concrete sleeper anti-bump limiting device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of pre-stressed concrete sleeper anti-bump limiting device, including horizontal plate, the middle part of the horizontal plate is equipped with sliding slot, the inside of the sliding slot is rotatably connected with threaded rod, the end of the threaded rod away from the sliding slot is fixedly connected with first bevel gear, the surface of the threaded rod is screw-connected with moving plate, the top of the moving plate is fixedly connected with reinforcing plate, the side of the reinforcing plate away from the moving plate is fixedly connected with limiting block, the inside of the limiting block is equipped with installation slot, the inner wall of the installation slot is fixedly connected with connecting spring, the inside of the installation slot is rotatably connected with ball.

[0007] As a further preferred of the technical solution, the number of the cross plates is provided with a plurality, the moving plate and the sliding groove are matched, the moving plate adopts an L-shaped structure, the limiting plate and the moving plate are fixedly connected, and the connecting spring is located on the side of the ball close to the reinforcing plate.

[0008] As a further preferred of the technical solution, the middle part of the cross plate is provided with a movable cavity, a rotating handle is rotatably connected in the movable cavity, and a second bevel gear is fixedly connected on the side of the rotating handle close to the movable cavity.

[0009] As a further preferred of the technical solution, the rotating handle is composed of a rotating disc and a rotating rod, the rotating disc is located outside the cross plate, and the second bevel gear is engaged with the first bevel gear.

[0010] As a further preferred of the technical solution, the left and right sides of the cross plate are fixedly connected with connecting frames, an electric push rod is fixedly connected on the inner wall of the connecting frame, a mounting frame is fixedly connected at the bottom end of the electric push rod, and a limiting roller is rotatably connected in the middle part of the mounting frame.

[0011] As a further preferred of the technical solution, a guide groove is formed in the middle part of the connecting frame, the mounting frame is located inside the guide groove, the number of the electric push rods is provided with two, and the limiting roller is made of silica gel material.

[0012] As a further preferred of the technical solution, a supporting frame is fixedly connected at the bottom end of the connecting frame, a conveying roller is rotatably connected in the supporting frame, and a tie is arranged at the top end of the conveying roller.

[0013] The utility model provides a kind of pre-stressed concrete sleeper anti-collision limiting device, with the following beneficial effects:

[0014] (1) the utility model discloses a rotating rotating handle, second bevel gear rotates, first bevel gear drives screw rod to rotate, so that moving plate slides in sliding groove, to adjust the spacing between limiting block and tie, make the contact of ball and one side of tie and limit it, prevent the deviation in the process of moving, if supporting frame is vibrated and causes tie to deviate, tie extrudes ball to one side, connecting spring is extruded and shrinks, to give tie certain displacement space, avoid to knock with limiting block.

[0015] (2) the utility model discloses starting electric push rod, its output rod drives mounting frame to slide in the guide groove of connecting frame, to make limiting roller descend to appropriate height, and with the height of tie is matched, in the process of tie movement, limiting roller rotates along with it, guarantee the normal conveying of tie, and limiting roller is made of silica gel material, avoid tie and connecting frame to knock by its deformation capacity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the structure of the utility model;

[0017] Figure 2 is a schematic view of the structure of the support frame and the sleeper of the utility model;

[0018] Figure 3 is a schematic view of the structure of the cross plate and the connecting frame of the utility model;

[0019] Figure 4 is a schematic view of the structure of the moving plate and the limiting block of the utility model.

[0020] In the figure: 1, cross plate; 2, sliding groove; 3, threaded rod; 4, first bevel gear; 5, moving plate; 6, reinforcing plate; 7, limiting block; 8, mounting groove; 9, connecting spring; 10, ball; 11, movable cavity; 12, rotating handle; 13, second bevel gear; 14, connecting frame; 15, electric push rod; 16, mounting frame; 17, limiting roller; 18, support frame; 19, conveying roller; 20, sleeper. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0022] The utility model provides technical schemes: as Figure 1 and Figure 4 As shown in the figure, in the embodiment, a prestressed concrete sleeper anti-collision limiting device includes a cross plate 1, a sliding groove 2 is formed in the middle of the cross plate 1, a threaded rod 3 is rotatably connected inside the sliding groove 2, a first bevel gear 4 is fixedly connected to the end of the threaded rod 3 away from the sliding groove 2, a moving plate 5 is screw-connected to the surface of the threaded rod 3, a reinforcing plate 6 is fixedly connected to the top of the moving plate 5, a limiting block 7 is fixedly connected to the side of the reinforcing plate 6 away from the moving plate 5, a mounting groove 8 is formed in the inside of the limiting block 7, a connecting spring 9 is fixedly connected to the inner wall of the mounting groove 8, and a ball 10 is rotatably connected inside the mounting groove 8.

[0023] The number of cross plates 1 is multiple, the moving plate 5 is matched with the sliding groove 2, the moving plate 5 adopts an L-shaped structure, the limiting plate is fixedly connected with the moving plate 5, and the connecting spring 9 is located on the side of the ball 10 close to the reinforcing plate 6.

[0024] A movable cavity 11 is formed in the middle of the cross plate 1, a rotating handle 12 is rotatably connected inside the movable cavity 11, and a second bevel gear 13 is fixedly connected to the side of the rotating handle 12 close to the movable cavity 11.

[0025] By rotating the rotating handle 12, the second bevel gear 13 rotates, the first bevel gear 4 drives the threaded rod 3 to rotate, the moving plate 5 slides in the sliding groove 2, the distance between the limiting block 7 and the sleeper 20 is adjusted, the ball 10 contacts and limits one side of the sleeper 20, and the deviation in the moving process is prevented; if the support frame 18 vibrates to cause the sleeper 20 to deviate, the sleeper 20 extrudes the ball 10 to one side, the connecting spring 9 is extruded and shrunk, so that a displacement space of the sleeper 20 is provided, and the bumping with the limiting block 7 is avoided.

[0026] The rotating handle 12 is composed of a rotating disc and a rotating rod, the rotating disc is located outside the horizontal plate 1, and the second bevel gear 13 is engaged with the first bevel gear 4.

[0027] The left and right sides of the horizontal plate 1 are fixedly connected with connecting frames 14, the inner walls of the connecting frames 14 are fixedly connected with electric push rods 15, the bottom ends of the electric push rods 15 are fixedly connected with mounting frames 16, and the mounting frames 16 are rotationally connected with limiting rollers 17 at the middle portions.

[0028] The middle portions of the connecting frames 14 are provided with guide grooves, the mounting frames 16 are located in the guide grooves, the number of the electric push rods 15 is two, and the limiting rollers 17 are made of silica gel.

[0029] The electric push rods 15 are started, the output rods of the electric push rods 15 drive the mounting frames 16 to slide in the guide grooves of the connecting frames 14, so that the limiting rollers 17 are lowered to a suitable height and are matched with the height of the sleepers 20, in the moving process of the sleepers 20, the limiting rollers 17 rotate, the normal conveying of the sleepers 20 is ensured, and the limiting rollers 17 are made of silica gel, so that the bumping of the sleepers 20 with the connecting frames 14 is avoided through the deformation capacity of the limiting rollers 17.

[0030] The bottom ends of the connecting frames 14 are fixedly connected with support frames 18, the inside of the support frames 18 is rotationally connected with conveying rollers 19, and the top ends of the conveying rollers 19 are provided with sleepers 20.

[0031] The utility model provides a kind of prestressed concrete sleeper anti-bumping limiting device, and specific working principle is as follows:

[0032] In use, the sleeper 20 is placed on the conveying roller 19, the rotating handle 12 is rotated, the second bevel gear 13 is rotated, the first bevel gear 4 drives the threaded rod 3 to rotate, the moving plate 5 slides in the sliding groove 2, the limiting block 7 moves and approaches the side of the sleeper 20, the ball 10 contacts and limits the side of the sleeper 20 after moving a certain distance, the other side of the sleeper 20 contacts the limiting roller 17, thereby limiting and guiding the moving direction of the sleeper 20, the conveying roller 19 is rotated by the driving device on the supporting frame 18, and the sleeper 20 is conveyed, when the supporting frame 18 vibrates and causes the sleeper 20 to deflect, the sleeper 20 extrudes the ball 10 to one side, the connecting spring 9 is extruded and shrunk, and the other side limiting roller 17 is extruded and deformed, thereby providing a certain displacement space for the sleeper 20, and avoiding knocking with the limiting block 7 and the connecting frame 14.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bump stop limiting device for a prestressed concrete sleeper comprising a cross plate (1), characterized in that: The middle part of the cross plate (1) is provided with a sliding groove (2), a threaded rod (3) is rotatably connected inside the sliding groove (2), a first bevel gear (4) is fixedly connected to one end of the threaded rod (3) away from the sliding groove (2), a moving plate (5) is screw-connected to the surface of the threaded rod (3), a reinforcing plate (6) is fixedly connected to the top of the moving plate (5), a limiting block (7) is fixedly connected to the side of the reinforcing plate (6) away from the moving plate (5), an installation groove (8) is formed in the inside of the limiting block (7), a connecting spring (9) is fixedly connected to the inner wall of the installation groove (8), and a ball (10) is rotatably connected inside the installation groove (8).

2. The anti-collision limiting device for prestressed concrete sleepers according to claim 1, characterized in that: A plurality of cross plates (1) are provided, the moving plate (5) is matched with the sliding groove (2), the moving plate (5) adopts an L-shaped structure, the limiting block is fixedly connected with the moving plate (5), and the connecting spring (9) is located on the side of the ball (10) close to the reinforcing plate (6).

3. The anti-collision limiting device for prestressed concrete sleepers according to claim 1, characterized in that: The middle part of the cross plate (1) is provided with a movable cavity (11), a rotating handle (12) is rotatably connected inside the movable cavity (11), and a second bevel gear (13) is fixedly connected to the side of the rotating handle (12) close to the movable cavity (11).

4. The anti-collision limiting device for prestressed concrete sleepers according to claim 3, characterized in that: The rotating handle (12) is composed of a rotating disc and a rotating rod, the rotating disc is located outside the cross plate (1), and the second bevel gear (13) is engaged with the first bevel gear (4).

5. The anti-collision limiting device for prestressed concrete sleepers according to claim 1, characterized in that: The left and right sides of the cross plate (1) are fixedly connected with a connecting frame (14), the inner wall of the connecting frame (14) is fixedly connected with an electric push rod (15), the bottom end of the electric push rod (15) is fixedly connected with a mounting frame (16), and the middle part of the mounting frame (16) is rotatably connected with a limiting roller (17).

6. The anti-collision limiting device for prestressed concrete sleepers according to claim 5, characterized in that: The middle part of the connecting frame (14) is provided with a guide groove, the mounting frame (16) is located inside the guide groove, the number of the electric push rods (15) is two, and the limiting roller (17) is made of silica gel.

7. The anti-collision limiting device for prestressed concrete sleeper according to claim 5, characterized in that: The bottom end of the connecting frame (14) is fixedly connected with a supporting frame (18), the inside of the supporting frame (18) is rotatably connected with a conveying roller (19), and the top end of the conveying roller (19) is provided with a sleeper (20).

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