Portable steel rail moving device

Abstract

The utility model belongs to the technical field of carrying devices, and relates to a convenient steel rail moving device which is characterized by comprising two moving trolleys and trolley connecting rods, the two moving trolleys are oppositely arranged, and each moving trolley comprises a moving chassis, moving universal wheels, a clamp and a clamp lifting driving mechanism. Movable universal wheels are installed at the four corners of the bottom of the movable chassis, a clamp lifting driving mechanism is installed at the upper end of the movable chassis, a clamp driven by the clamp lifting driving mechanism to ascend and descend is installed at the bottom of the movable chassis, and the two ends of the trolley connecting rod are installed on the movable trolley in a hooked mode respectively. The portable steel rail moving device is scientific and reasonable in design, has the advantages of being high in operation safety, high in working efficiency, labor-saving, convenient to operate and easy to achieve, and has high innovativeness.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of carrying device relates to a portable rail moving device. BACKGROUND

[0002] A certain intercity railway engineering is 41.934 kilometers long, involves 1204 prefabricated box girders, of which 1146 are 32-meter box girders, 58 are 24-meter box girders, 2 are non-standard girders, the cross section of the box girder is 5.3 meters wide at the bottom, 12.2 meters wide at the top, the cross section center beam is 2.686 meters high, the support center distance in the transverse bridge direction is 4.4 meters, and the wing plate is 2.836 meters wide. The 32m box girder weighs 714.75 tons, and the 24m box girder weighs 552 tons. LG900H bridge erecting machine is used for box girder erection on site, the whole machine weight of LG900H bridge erecting machine is 573 tons, LG900H bridge erecting machine is composed of beam hoisting crane, main beam and cross beam, front support leg, rear support leg hydraulic system and power system, etc., steel rails are used for auxiliary walking during girder erection, the steel rails are of QU120 type, each meter weighs 118 kilograms, mechanical cooperation is required during movement, the bridge operation space is limited, manual cooperation is generally used for movement, and the operation difficulty is great.

[0003] When the bridge erecting machine is moved, the rail laying work needs to be carried out first, and due to the large weight of the rail itself, a forklift, a small rail transporter and a small flat car are usually used to move the rail in actual operation. However, there are many disadvantages in moving the rail by using the forklift: 1. Due to the limitation of the beam surface and the width of the bridge erecting machine, the machine often lacks enough operation space; 2. The safety risk of using the forklift is relatively large, and a slight carelessness may cause serious safety accidents. The small rail transporter mainly binds the rail through a chain, and needs to rely on manpower to lift the rail on the plane, and cannot effectively fix the rail. During the movement, the swing range of the rail is large, so that the bridge operation risk is very high. 3. The small flat car also has obvious defects, it cannot fix the rail, and also needs manpower to transport the rail to the flat car, the operation is extremely inconvenient, not only consumes a lot of manpower and time, but also may cause safety problems due to improper operation.

[0004] In summary, the existing method for moving the rail has the problems of poor safety, low moving efficiency, labor-intensive, inconvenient operation and the like, which affects the progress of the site box girder erection. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a portable rail moving device which has scientific and reasonable structure design, high operation safety, high work efficiency, saves manpower and effort, is convenient to operate and easy to realize.

[0006] The utility model solves the technical problem by the following technical scheme:

[0007] The utility model provides a portable steel rail moving device, its characterized in being: including two opposite mobile trolleys and trolley connecting rod, the mobile trolley includes mobile chassis, mobile universal wheel, clamp and clamp lifting drive mechanism, is installed with mobile universal wheel at the bottom four corners of mobile chassis, is installed with clamp lifting drive mechanism at the upper end of mobile chassis, is installed with the clamp that is driven lifting by clamp lifting drive mechanism at the bottom of mobile chassis, both ends of trolley connecting rod are respectively hooked on mobile trolley.

[0008] Moreover, the mobile chassis includes a cross beam and two universal wheel mounting beams, the universal wheel mounting beams are arranged opposite to each other, and the cross beam is arranged at the middle of the upper ends of the two universal wheel mounting beams.

[0009] Moreover, the cross beam includes two channel steels arranged opposite to each other and spaced apart, and connecting plates connecting the two channel steels are welded at the upper and lower ends of the two channel steels.

[0010] Moreover, the clamp lifting drive mechanism includes a base, a bearing, an adjusting screw, and a rotating disc, a through hole is arranged on the mobile chassis, the base is arranged at a position corresponding to the through hole on the mobile chassis, an internal thread hole is arranged in the base, the bearing is fixed at the upper end of the base, the adjusting screw is threadedly connected in the base, one end of the adjusting screw is connected to the clamp after being led out from the bottom of the mobile chassis, and the other end of the adjusting screw is fixed with the rotating disc after being led out from the bearing.

[0011] Moreover, the clamp is provided with a clamping groove, and the structure of the clamping groove is matched with the structure of the upper part of the steel rail.

[0012] Moreover, the utility model also includes limiting plates, two opposite limiting plates are arranged at the inner sides of the two universal wheel mounting beams, a limiting slot is formed between the two limiting plates, and the clamp is lifted in the limiting slots on the two sides.

[0013] Moreover, the utility model also includes a push handle, and the push handle is arranged at the rear end of the mobile chassis.

[0014] Moreover, the trolley connecting rod includes a left connecting rod body, a right connecting rod body, and an adjusting sleeve, a hook head is arranged at one end of the outer side of the left connecting rod body and the right connecting rod body, a threaded rod is arranged at one end of the inner side of the left connecting rod body and the right connecting rod body, the adjusting sleeve is provided with an internal thread structure with opposite threads at both ends, and the two ends of the adjusting sleeve are threadedly connected with the threaded rods of the left connecting rod body and the right connecting rod body.

[0015] Moreover, the rotating disc is a cross rotating disc, and the hook head is a Y-shaped structure, and the Y-shaped hook head is hooked on the cross rotating disc.

[0016] The utility model has the advantages and beneficial effects that:

[0017] 1. The portable steel rail moving device solves the problems of moving difficulty caused by the heavy weight of the steel rail of the beam erecting vehicle in the process of erecting the box girder, and enables the steel rail of the bridge erecting machine to be conveniently moved, so that many people are no longer needed to laboriously push or carry the steel rail, the wasted manpower in the steel rail moving link is greatly reduced, and the overall construction efficiency is improved.

[0018] 2. The portable steel rail moving device improves the steel rail moving efficiency, and one person can complete the movement of one steel rail, realizes rapid installation and disassembly, avoids the delay of the construction progress caused by the long installation and disassembly process, and further guarantees that the entire box girder erecting project can be efficiently and orderly promoted.

[0019] 3. The portable steel rail moving device can effectively improve the safety of the construction process. The moving trolley has a stable structure and a reliable operation mechanism, can ensure the stable movement of the steel rail during the movement of the steel rail, reduces the safety hazards caused by the shaking and sliding of the steel rail, and also reduces the probability of accidents caused by human errors to a certain extent.

[0020] 4. The portable steel rail moving device has the advantages of high operation safety, high working efficiency, labor saving, convenient operation and easy implementation, and is a portable steel rail moving device with high innovation. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the utility model;

[0022] Figure 2 is a structural schematic view of the moving trolley of the utility model;

[0023] Figure 3 is a side view of Figure 2 ;

[0024] Figure 4 is a top view of Figure 2 ;

[0025] Figure 5 is a structural schematic view of the moving trolley clamp in a descending state of the utility model;

[0026] Figure 6 is a structural schematic view of the hook head and the rotary disc hook of the utility model.

[0027] LIST OF REFERENCE NUMERALS

[0028] 1-rotary disc, 2-push handle, 3-bearing, 4-base, 5-cross beam, 6-clamp, 7-limiting plate, 8-universal wheel mounting beam, 9-moving universal wheel, 10-connecting piece, 11-slotted steel, 12-adjusting screw, 13-moving trolley, 14-left connecting rod body, 15-adjusting sleeve, 16-right connecting rod body, 17-hook head. DETAILED DESCRIPTION

[0029] The utility model will be further described in detail below through specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the utility model.

[0030] A portable steel rail moving device can effectively solve the problems of difficult operation and high safety risk during the moving and installation of the steel rail. Through the application of the trolley, the construction efficiency of the box girder erection is further improved, the speed of the steel rail installation and removal is improved, the labor input is reduced, the steel rail becomes stable and firm during the moving process, the operation is simple, the construction risk is greatly reduced, and the safety of the on-site operation is effectively ensured. The utility model discloses the following: two opposite mobile trolleys 13 and a trolley connecting rod are provided, the mobile trolley comprises a mobile chassis, a mobile universal wheel 9, a clamp 6 and a clamp lifting driving mechanism, the mobile universal wheels are installed at the bottom corners of the mobile chassis, the clamp lifting driving mechanism is installed at the upper end of the mobile chassis, the clamp driven by the clamp lifting driving mechanism is installed at the bottom of the mobile chassis, and the two ends of the trolley connecting rod are respectively hooked on the mobile trolleys.

[0031] In the embodiment, the mobile chassis comprises a cross beam 5 and a universal wheel mounting beam 8, the cross beam comprises two channel steels 11 oppositely and spacedly arranged, connecting plates 10 connecting the two channel steels are spacedly welded at the upper and lower ends of the two channel steels, the universal wheel mounting beams are oppositely arranged, the cross beam is installed at the middle position of the upper end of the two universal wheel mounting beams, and the universal wheel mounting beam is made of a square tube with a wall thickness of 5 mm.

[0032] The clamp lifting driving mechanism comprises a base 4, a bearing 3, an adjusting screw 12 and a rotating disc 1, in the embodiment, the base is a hexagonal nut, the gap between the two channel steels forms a through hole, the hexagonal nut is installed at the position corresponding to the through hole on the mobile chassis, the bearing is fixedly connected to the upper end of the hexagonal nut, the adjusting screw is threadedly connected in the hexagonal nut, one end of the adjusting screw rod is connected to the clamp after penetrating out of the bottom of the mobile chassis, and the other end of the adjusting screw rod is fixedly connected to the rotating disc after penetrating out of the bearing.

[0033] The clamp is provided with a clamping groove, the structure of the clamping groove is matched with the structure of the upper part of the steel rail, the clamp is used for penetrating into one end of the steel rail and lifting the steel rail. The clamp is made of a 1cm-thick steel plate, the middle part of the clamp is cut into a T-shaped groove by using a cutting machine, so that the clamp is matched with the shape of the upper part of the steel rail and a certain gap is reserved, the clamp is moved along the axis of the steel rail during the clamping of the steel rail, the lower part of the clamp is cut into a circular arc, and the upper part of the clamp is firmly welded with the adjusting screw.

[0034] In order to guarantee the stability of the clamp lifting, the utility model discloses a limiting plate 7 is designed, and two oppositely arranged limiting plates are arranged at the inner side of the two universal wheel mounting beams, and the gap between the two limiting plates forms a limiting groove, and the clamp is lifted in the limiting groove on both sides.

[0035] In order to facilitate the use of the utility model, a push handle 2 is further arranged at the rear end of the moving chassis. The push handle is made of a steel pipe and welded into a U-shaped piece. The two vertical parts of the U-shaped piece are welded to the top surface of the end part of the universal wheel mounting frame.

[0036] The trolley connecting rod comprises a left connecting rod body 14, a right connecting rod body 16 and an adjusting sleeve 15, a hook head 17 is arranged at one end of the outer side of the left connecting rod body and the right connecting rod body, a threaded rod is arranged at one end of the inner side of the left connecting rod body and the right connecting rod body, the adjusting sleeve is internally provided with opposite threads, and the two ends of the adjusting sleeve are respectively threadedly connected with the threaded rods of the left connecting rod body and the right connecting rod body. The length of the trolley connecting rod can be adjusted through the cooperation of the adjusting sleeve and the threaded rods at the two ends. The rotating disc is a cross rotating disc, and the hook head is in the shape of Y, which is hooked on the cross rotating disc to achieve the purpose of stable connection. The trolley connecting rod can connect two moving trolleys to form one device, so that one person can complete the transfer work of the steel rail through the utility model in the case of insufficient personnel.

[0037] Working principle:

[0038] After the box girder is installed in place and the stress system is established, the operator moves the steel rail into the top surface of the next span box girder for laying by using the moving trolley.

[0039] Although the embodiments and drawings of the utility model are disclosed for the purpose of illustration, those skilled in the art can understand that various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore, the scope of the utility model is not limited to the disclosed contents in the embodiments and drawings.

Claims

1. A portable rail moving device, characterized by: It comprises two opposite mobile trolleys and a trolley connecting rod, the mobile trolley comprises a mobile chassis, mobile universal wheels, a clamp and a clamp lifting driving mechanism, the mobile chassis is provided with mobile universal wheels at the bottom of four corners, the clamp lifting driving mechanism is installed at the upper end of the mobile chassis, the clamp driven by the clamp lifting driving mechanism is installed at the bottom of the mobile chassis, the two ends of the trolley connecting rod are respectively hooked on the mobile trolleys.

2. A portable rail moving device according to claim 1, wherein: The mobile chassis comprises a cross beam and a universal wheel mounting beam, the universal wheel mounting beams are oppositely arranged, and the cross beam is installed at the middle position of the upper end of the two universal wheel mounting beams.

3. A portable rail moving device according to claim 2, wherein: The cross beam comprises two channel steels oppositely and spacedly arranged, and connecting plates connecting the two channel steels are spacedly welded at the upper and lower ends of the two channel steels.

4. The portable rail moving device of claim 1, wherein: The clamp lifting driving mechanism comprises a base, a bearing, an adjusting screw and a rotating disc, the mobile chassis is provided with a through hole, the base is installed at the position corresponding to the through hole of the mobile chassis, the inner thread hole is arranged in the base, the bearing is fixed at the upper end of the base, the adjusting screw is threadedly connected in the base, one end of the adjusting screw is connected to the clamp after being led out from the bottom of the mobile chassis, and the other end of the adjusting screw is fixed with the rotating disc after being led out from the bearing.

5. The portable rail moving device of claim 1, wherein: The clamp is provided with a clamping groove, and the structure of the clamping groove is matched with the structure of the upper part of the steel rail.

6. A portable rail moving device as claimed in claim 2, wherein: It also comprises limiting plates, two opposite limiting plates are spacedly arranged at the inner sides of the two universal wheel mounting beams, the gap between the two limiting plates forms a limiting groove, and the clamp is lifted in the limiting grooves on the two sides.

7. A portable rail moving device as claimed in claim 1, wherein: It also comprises a push handle, and the push handle is installed at the rear end of the mobile chassis.

8. A portable rail moving device as claimed in claim 4, wherein: The trolley connecting rod comprises a left connecting rod body, a right connecting rod body and an adjusting sleeve, a hook head is arranged at one end of the outer side of the left connecting rod body and the right connecting rod body, a threaded rod is arranged at one end of the inner side of the left connecting rod body and the right connecting rod body, the adjusting sleeve is provided with an inner thread structure with opposite threads at both ends, and the two ends of the adjusting sleeve are respectively threadedly connected with the threaded rods of the left connecting rod body and the right connecting rod body.

9. A portable rail moving device according to claim 8, wherein: The rotating disc is a cross rotating disc, and the hook head is a Y-shaped structure, and the Y-shaped hook head is hooked on the cross rotating disc.

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