Railway area box culvert construction auxiliary device

Abstract

The utility model relates to a railway area box culvert construction auxiliary device which comprises a frame and a lifting appliance, the frame comprises a top plate, the lifting appliance is located above the top plate, supporting legs are arranged below the top plate, guide rails are arranged below the supporting legs, and the frame can move along the guide rails. A movable plate is arranged below the top plate, a clamp is arranged below the movable plate, and the clamp comprises a clamping arm and an adjusting mechanism. The adjusting mechanism comprises a bidirectional lead screw, the clamping arms are located on the bidirectional lead screw, the transmission mechanism is located at one end of the bidirectional lead screw and comprises a transmission shaft, and the transmission shaft is fixedly connected with the bidirectional lead screw. The box culvert lifting device is simple in structure and convenient to use, box culverts of different sizes can be conveyed in various scenes, the box culverts can be lifted through the lifting appliance, the box culverts can be prevented from shaking in the lifting process through the clamps and the supporting rods, the box culverts can be conveyed to the needed positions through the guide rails, and compared with a traditional lifting mode, the box culvert lifting device is more stable, safer and more convenient to use. And shaking can be avoided in the box culvert hoisting process, and follow-up butt joint of workers is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to construction auxiliary tool technical field, especially designs a railway regional box culvert construction auxiliary device. BACKGROUND

[0002] Box culvert refers to the culvert that the hole body is built with reinforced concrete box pipe section. The box culvert is composed of one or more square or rectangular sections, and is generally made of reinforced concrete or masonry. Nowadays, in order to complete the project in a short time and not be restricted by weather, prefabricated box culverts are usually used, which are hoisted and connected at the construction site, and have the advantages of waterproofness, earthquake resistance and short engineering period, but the prefabricated box culverts are usually moved by using a crane and other equipment when disassembled.

[0003] The prior art discloses a side box culvert hoisting device, and the authorized publication number is CN220449614U, which comprises a portal, a lifting appliance arranged at the upper part of the portal, supporting legs arranged at the lower part of the portal, and a walking mechanism arranged at the lower part of the supporting legs; and an auxiliary supporting structure detachably connected with the portal. However, the prior art adopts the hoisting mode to transport the box culvert, the crane is unstable and has poor safety, and the box culverts are prone to shaking during hoisting, so that the box culverts need to be manually calibrated again when being docked, thereby affecting the engineering efficiency. UTILITY MODEL CONTENT

[0004] The present application provides a railway regional box culvert construction auxiliary device, which aims to solve the problem that the box culverts need to be recalibrated and aligned when being docked due to shaking during hoisting.

[0005] The technical scheme adopted by the utility model to solve the above technical problem is: a railway regional box culvert construction auxiliary device, comprising a frame and a lifting appliance, the frame comprising a top plate, the lifting appliance being located above the top plate, the lower surface of the top plate being connected with a supporting leg flange, and a cross beam being connected between the supporting legs.

[0006] Further, a movable plate is arranged below the top plate, the movable plate being connected with the top plate through an extension rod, and a clamp being arranged below the movable plate.

[0007] Further, the clamp comprises a clamping arm and an adjusting mechanism, the adjusting mechanism comprising a bidirectional screw rod, the clamping arm being symmetrically placed on the bidirectional screw rod and being movable in the length direction of the bidirectional screw rod in opposite directions, and the bidirectional screw rod being rotated through a transmission mechanism.

[0008] Further, the lifting appliance comprises a wire winder, four lifting wires being wound on the wire winder, four through holes being arranged on the top plate and the movable plate, one end of the lifting wire being fixedly connected to the wire winder, and the other end of the lifting wire being connected to a lifting ring above the box culvert through the top plate and the movable plate.

[0009] Further, the top plate is provided with a protection mechanism above, the protection mechanism is located at the perforation of the top plate, the protection mechanism comprises a fixed shaft, fixed columns are connected to the both ends of the fixed shaft, and the included angle between the fixed columns and the top plate is 30-45°, so that the protection mechanism can make the hanging wire be located at the center of the perforation.

[0010] Further, the support leg is provided with a guide rail below, and the lower end of the support leg is fixedly connected with a sliding block in the guide rail, so that the frame can move along the guide rail.

[0011] Further, the cross beams are provided with support rods on the sides close to each other, the support rods comprise housings and inner rods, the ends close to each other of the housings are connected with stoppers, and the housings and the inner rods are connected through threads, so that the housings can move along the length direction of the inner rods by screwing the housings.

[0012] Further, the clamping arm comprises a moving block and a supporting plate, the moving block is provided with a threaded hole, a bidirectional screw rod passes through the threaded hole, and the lower end of the moving block is fixedly connected with the supporting plate, so that the supporting plate is in a horizontal state.

[0013] Further, the upper surface of the supporting plate is provided with a threaded hole, a screw rod is connected in the threaded hole, the upper end of the screw rod is fixedly connected with the lower surface of the pad, and the pad can move along the vertical direction by rotating the screw rod.

[0014] Further, the transmission mechanism is located at the right side of the bidirectional screw rod, the transmission mechanism comprises a transmission shaft, the transmission shaft is fixedly connected with the bidirectional screw rod, and the transmission shaft can drive the bidirectional screw rod to rotate.

[0015] Further, one end of the transmission shaft is located in a shaft sleeve, the shaft sleeve is fixedly connected with the movable plate, an opening is arranged below the shaft sleeve, the part of the transmission shaft located in the shaft sleeve is provided with a limiting groove, and a connecting block is arranged in the limiting groove.

[0016] Further, the connecting blocks are connected through iron wires, the iron wires pass through the transmission shaft and the shaft sleeve, extend downward from the opening on the shaft sleeve, and the connecting blocks can drive the transmission shaft to rotate along the moving direction of the iron wire by pulling the iron wire.

[0017] Compared with the prior art, the utility model has the advantages of simple structure, convenient use, can transport box culverts of different sizes in various scenes, can prevent the box culvert from shaking in the lifting process through the lifting appliance and the clamp and the support rod, can send the box culvert to the required position through the guide rail, and the box culvert construction in the railway area is usually carried out below the track to avoid affecting traffic, a channel is dug below the track, the box culvert is placed in the corresponding position, and then jacking work is needed, compared with the traditional lifting mode, the utility model is more stable and safe, can make the box culvert move along the guide rail, and can avoid shaking in the process of lifting the box culvert, so that workers can conveniently butt joint subsequently. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the front view structure schematic diagram of the utility model.

[0019] Fig. 2 is a side view structure schematic diagram of the utility model;

[0020] Fig. 3 is the adjusting mechanism structure schematic diagram of the utility model;

[0021] Fig. 4 is the transmission mechanism structure schematic diagram of the utility model;

[0022] Fig. 5 is the transmission mechanism side sectional view structure schematic diagram of the utility model;

[0023] Fig. 6 is the support plate schematic diagram of the utility model;

[0024] Fig. 7 is the protection mechanism structure schematic diagram of the utility model;

[0025] In the drawing 1-branch leg, 2-top plate, 3-movable plate, 4-adjusting groove, 5-round sliding slot, 6-crossbeam, 7-winding shaft, 8-support column, 9-telescopic rod, 10-support plate, 11-lifting ring, 12-fixed shaft, 13-fixed column, 14-limiting plate, 15-bidirectional screw rod, 16-baffle, 17-sleeve ring, 18-transmission shaft, 19-shaft sleeve, 20-connecting rod, 21-limiting groove, 22-connecting block, 23-moving plate, 24-sleeper, 25-screw rod, 26-supporting rod, 27-baffle block, 28-limiting ring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. It should be understood that the preferred embodiments described herein are only used for explaining and explaining the utility model, and are not used for limiting the utility model. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. The components of the embodiments of the utility model described and shown in the drawings herein can be arranged and designed in various different configurations. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model. In the embodiments, the components of the embodiments of the application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the application.

[0027] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be electrically connected; it can be a hydraulic oil circuit connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] Reference Figs. 1 to 7 A railway regional box culvert construction auxiliary device, comprising a lifting appliance, the lifting appliance is located on a frame, the box culvert located on the ground or the carrier vehicle is moved away from the ground through the lifting appliance, and then the box culvert is sent to the required position through a moving mechanism.

[0030] The frame comprises four supporting legs 1, a top plate 2 and a movable plate 3. The supporting legs 1 are arranged at the four corners of the bottom of the top plate 2 and are connected to the bottom surface of the top plate 2 through flanges, facilitating disassembly. The lower end of each supporting leg 1 is provided with a moving mechanism. The moving mechanism can be a guide rail, which is installed by workers in advance. The lower end of each supporting leg 1 is provided with a sliding block located in the guide rail. The sliding block allows the frame to move along the guide rail, avoiding deviation and reducing the time required for calibration during the installation of the box culvert, thereby improving the efficiency of the project. The sliding block can also be a pulley, which needs to support the movement of the frame and the box culvert. To prevent resistance during movement, a suitable amount of lubricating substance can be added to the guide rail. Regardless of whether the lower end of the supporting leg 1 is equipped with a sliding block or a pulley, a driving system needs to be provided on the frame. The driving system comprises a driving motor installed on the frame. The output shaft of the driving motor is connected to a driving gear. The side surface of the guide rail is provided with a tooth groove extending along the length direction of the guide rail. The driving gear is engaged with the protruding teeth in the tooth groove. When the driving motor is working, the frame can be moved.

[0031] The lifting appliance is located above the top plate 2. The box culvert can be lifted by the lifting appliance. The lifting appliance comprises a winding device. The winding device comprises a winding shaft 7 and a support column 8. The winding shaft 7 is wound with four lifting lines. The top plate 2 is provided with four through holes. The four lifting lines are respectively passed through the corresponding through holes. Each lifting line is provided with a baffle 16 on both sides. The baffle 16 is fixedly connected to the winding shaft 7. The two lifting lines passing through the through holes on the left side of the winding device are wound on the winding shaft 7 from top to bottom. The remaining two lifting lines are wound on the winding shaft 7 from bottom to top. When the winding device rotates, the four lifting lines will be wound at the same time. At this time, the lengths of the four lifting lines are the same, so that the box culvert can be kept in a horizontal state. The movable plate 3 is also provided with four through holes. The four lifting lines are respectively passed through the corresponding through holes on the movable plate 3. The lower end of each lifting line is connected to a buckle. The upper side of the box culvert is provided with a lifting ring 11. The buckle is used to connect the lifting line and the lifting ring 11. When the winding device winds up the lifting line, the box culvert is driven away from the ground.

[0032] Because the wire needs to do reciprocating motion, the edge of the hole on the top plate 2 can damage the wire when moving in the hole, so a protection mechanism is designed above the hole on the top plate 2, which can reduce the friction of the wire and prolong the service life of the wire; the protection mechanism comprises a fixed shaft 12, the fixed shaft 12 is provided with a fixed column 13 at both ends, the fixed shaft 12 and the fixed column 13 are detachably connected, a roller is arranged on the fixed shaft 12, the wire can slide on the surface of the roller, a short rod is arranged at the top end of the fixed column 13, a limiting plate 14 is fixedly connected between the short rods, the limiting plate 14 is parallel to the fixed shaft 12, the wire is located between the limiting plate 14 and the roller, the wire can be prevented from separating from the protection mechanism through the limiting plate 14, the fixed column 13 is in an inclined state, the included angle between the fixed column 13 and the top plate 2 is 30-45°, so that the wire can be located at the center position of the hole on the top plate 2 and avoid contacting the edge of the hole.

[0033] The clamp comprises a clamping arm and an adjusting mechanism, the adjusting mechanism is located on the lower surface of the movable plate 3 and can adjust the distance between the clamping arms, the adjusting mechanism comprises a bidirectional screw rod 15, the lower surface of the movable plate 3 is provided with an adjusting groove 4, a fixed rod is fixedly connected in the center of the adjusting groove 4, a sleeve ring 17 is connected to the lower end of the fixed rod, the bidirectional screw rod 15 passes through the sleeve ring 17 and is arranged in parallel with the length side of the adjusting groove, the end part of the adjusting groove 4 is provided with a circular sliding groove 5, the two ends of the bidirectional screw rod 15 are located in the circular sliding groove 5, bearings are arranged between the circular sliding groove 5, the sleeve ring 17 and the bidirectional screw rod 15, so that the bidirectional screw rod 15 can rotate in the adjusting groove 4.

[0034] In order to make the bidirectional screw rod 15 rotate, a transmission mechanism is further arranged, the transmission mechanism is located on the right side of the bidirectional screw rod 15 and comprises a transmission shaft 18, a transmission groove is arranged on the right side of the circular sliding groove 5 at the right end of the bidirectional screw rod 15, the transmission groove is communicated with the right circular sliding groove 5, the transmission shaft 18 is located in the transmission groove, the left end of the transmission shaft 18 is fixedly connected with the right end of the bidirectional screw rod 15, an axle sleeve 19 is arranged at the right end of the transmission shaft 18, the axle sleeve 19 is fixedly connected with the inner wall of the transmission groove through a connecting rod 20 above the axle sleeve 19; the transmission shaft 18 passes through the axle sleeve 19, an annular groove is arranged in the inner ring of the axle sleeve 19, limit grooves 21 are arranged at the positions of the transmission shaft 18 corresponding to the annular groove, the limit grooves 21 are annularly arranged with the axis of the transmission shaft 18 as the center, connecting blocks 22 are arranged in the limit grooves 21, the connecting blocks 22 are connected by iron wires, the connecting blocks 22 are equidistantly connected on the iron wires, an opening is arranged at the lower end of the axle sleeve 19, the iron wires are connected end to end and extend downward through the opening, the worker pulls the iron wire, the connecting blocks 22 move together with the iron wire, the connecting blocks 22 are clamped in the limit grooves 21, the connecting blocks 22 move while driving the transmission shaft 18 to rotate in the direction in which the connecting blocks 22 move, so as to drive the bidirectional screw rod 15 to rotate.

[0035] The above transmission mode is only an example, the transmission shaft 18 can also be directly connected to other driving devices, for example, a motor and a rocker arm.

[0036] The clamping arms are arranged symmetrically on the bidirectional screw rod 15, and each clamping arm comprises a moving plate 23 and a supporting plate 10. The moving plate 23 is provided with a threaded hole, and the bidirectional screw rod 15 passes through the threaded hole. The two moving plates 23 are arranged on the two sides of the collar 17 respectively. When the bidirectional screw rod 15 rotates, the moving plates 23 can move in opposite directions at the same time. The lower end of the moving plate 23 is fixedly connected with one end of the supporting plate 10. The end of the supporting plate 10 that is close to the other end is a movable end. The clamping arms can prevent the box culvert from shaking during hoisting and can bear part of the gravity of the box culvert on the lifting appliance. If the lifting wire breaks during hoisting, the box culvert can be temporarily fixed by the clamping arms to prevent accidents during hoisting.

[0037] To avoid the gap between the clamping arms and the box culvert, a spacer plate 24 is arranged above the supporting plate 10. The supporting plate 10 is provided with a threaded hole, and a screw rod 25 is connected in the threaded hole. The upper end of the screw rod 25 is fixedly connected with the lower surface of the spacer plate 24. Rotating the screw rod 25 can make the spacer plate 24 move in the vertical direction. When the supporting plate 10 is located inside the opening of the box culvert, rotating the screw rod 25 can make the upper surface of the spacer plate 24 contact with the inner wall of the box culvert, which is convenient for transportation.

[0038] The side surface of each horizontal beam 6 that is close to the other side surface is provided with a supporting rod 26. The supporting rod 26 is a telescopic straight rod, which comprises an outer shell and an inner rod. The inner rod is fixedly connected with the side surface of the horizontal beam 6 that is close to the other side surface. The end of the outer shell that is close to the other end is provided with a stop block 27. The outer shell is connected with the inner rod through threads. Rotating the outer shell can make the outer shell move along the length direction of the inner rod. The supporting rod 26 can prevent the box culvert from shaking left and right, so that the box culvert is more stable.

[0039] Each supporting leg 1 is provided with a limiting ring 28 close to the lower end. The limiting ring 28 is fixedly connected with the supporting leg 1. The limiting ring 28 is located above the horizontal beam 6, which can limit the lowest position of the movable plate 3. The telescopic rod 9 can refer to the product model ACI140 of Foshan Yicheng Intelligent Technology Co., Ltd. The winding device and the telescopic rod 9 are driven by a motor.

[0040] The utility model discloses not only can carry prefabricated box culvert, also can carry the box culvert of on -the -spot pouring. Through the device can carry box culvert by carrier to ground, or is carried to the excavation tunnel in, work, the worker first buckles the ring 11 on the box culvert top, starts the reel, and the box culvert is lifted away from the ground by the lifting line, and then starts telescopic link 9, and movable plate 3 moves downward, the clamping arm is located the opening of the box culvert both sides at this moment, and the distance between the clamping arm is shortened through the bidirectional screw rod 15, and the gasket 24 on the supporting plate 10 is adjusted, so that the clamping arm fixes the box culvert, and then the supporting rod 26 on the crossbeam 6 is adjusted, and the supporting rod 26 can make the box culvert keep parallel with the crossbeam 6, and the clamping arm and the supporting rod 26 can prevent the box culvert from shaking due to inertia during moving, and then the box culvert is sent to the required position through the guide rail, and through the joint work of various components, the box culvert moves along the preset guide rail, thereby reducing the time of worker alignment, thereby increasing the work efficiency.

[0041] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of the change or replacement within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be mainly the protection scope of the claims.

Claims

1. A railway regional box culvert construction auxiliary device, comprising a frame and a lifting appliance, the frame is connected with a guide rail, the frame can move on the guide rail, characterized in that: The frame includes a top plate, a lifting device located on the top plate, a movable plate located below the top plate, the movable plate being connected to the top plate via a telescopic rod, the movable plate being able to move vertically, and a clamp located below the movable plate; The clamp includes clamping arms and an adjustment mechanism. The adjustment mechanism includes a bidirectional lead screw. There are two clamping arms, both of which are connected to the bidirectional lead screw. The bidirectional lead screw can control the two clamping arms to move simultaneously in opposite directions. A movable plate is provided below the top plate. The lifting device includes a reel with four lifting lines wound on it. Both the top plate and the movable plate have four through holes. One end of the lifting line is fixedly connected to the reel, and the other end passes through the top plate and the movable plate and is connected to the lifting ring on the box culvert.

2. The railway regional box culvert construction auxiliary device according to claim 1, characterized in that: The top plate is equipped with a protective mechanism located at the perforation of the top plate. The protective mechanism includes a fixed shaft with fixed columns connected to both ends. The angle between the fixed columns and the top plate is 30-45°. The protective mechanism allows the suspension line to be located at the center of the perforation.

3. The railway regional box culvert construction auxiliary device according to claim 1, characterized in that: The top plate is connected to a support leg, and the lower end of the support leg is connected to a slider. The slider is located inside the guide rail and can slide on the guide rail. The support leg passes through a movable plate.

4. The auxiliary device for construction of box culverts in railway areas according to claim 3, characterized in that: The outrigger is connected to a crossbeam, and a retractable and lockable support rod is connected to the crossbeam. The support rod includes an outer shell and an inner rod, and a stop block is connected to the outer shell.

5. The auxiliary device for railway area box culvert construction according to claim 1, characterized in that: The clamping arm includes a movable block and a support plate. The movable block has a threaded hole, through which a bidirectional lead screw passes. The lower end of the movable block is fixedly connected to the support plate, which is in a horizontal state.

6. The auxiliary device for construction of box culverts in railway areas according to claim 5, characterized in that: The upper surface of the support plate is provided with a threaded hole, and a screw is connected inside the threaded hole. The upper end of the screw is fixedly connected to the lower surface of the pad. Rotating the screw can move the pad in the vertical direction.

7. The auxiliary device for construction of box culverts in railway areas according to claim 1, characterized in that: The bidirectional lead screw is connected to a transmission mechanism located on the right side of the bidirectional lead screw. The transmission mechanism includes a transmission shaft, which is fixedly connected to the bidirectional lead screw and can drive the bidirectional lead screw to rotate.

8. The auxiliary device for construction of box culverts in railway areas according to claim 7, characterized in that: One end of the drive shaft is located inside the bushing, the bushing is fixedly connected to the movable plate, the bushing has an opening at the bottom, the part of the drive shaft inside the bushing has a limiting groove, and a connecting block is provided in the limiting groove.

9. The auxiliary device for construction of box culverts in railway areas according to claim 8, characterized in that: The connecting blocks are connected by an iron wire, which passes between the drive shaft and the bushing and extends downward from the opening on the bushing. Pulling the iron wire can cause the connecting block to drive the drive shaft to rotate in the direction of the iron wire.

Images