Track fixing device for edge operation

Abstract

The utility model provides a rail fixing device used for edge operation, which comprises a clamping device used for being installed on a bridge portal crane rail, the clamping device is composed of two symmetrically-arranged fixing clamping plates, and each fixing clamping plate comprises a clamping plate body, an upper connecting plate and a lower connecting plate. The upper connecting plate and the lower connecting plate are fixedly connected with the upper end and the lower end of the clamping plate body respectively to form a rigid frame structure. The two fixing clamping plates are oppositely connected through at least two sets of fixing bolts, the fixing bolts sequentially penetrate through the connecting holes in the upper connecting plates of the two fixing clamping plates, and pre-tightening force is applied through nuts, so that the clamping device is tightly attached to the track; hanging rings are symmetrically arranged on the two sides of the clamping plate body and hinged to mounting holes in the top end of the clamping plate body through pin shafts, and a rotatable safety hanging point is formed. The utility model has the advantages of simple structure, quickness in assembly, easiness in manufacturing, light weight and convenience in movement.

Description

TECHNICAL FIELD

[0001] The utility model relates to the edge operation safety protection tool manufacturing technical field, concretely is a track fixing device for edge operation. BACKGROUND

[0002] Mechanical processing plant, large warehouse, hydropower station power plant, water conservancy facilities dam are provided with bridge machine, door machine, are used for the hoisting and overhauling of equipment and workpiece cooperation. The operation track of bridge door machine is on both sides of the open edge operation surface, when the equipment facilities, civil foundation on both sides of the track are overhauled, the operation risk is higher. In order to guarantee that operation is safe and efficient, safe, reliable, convenient safety protection device is particularly important, and it puts forward great test to us maintenance personnel, and in modernization, the safe, efficient, lean maintenance mode of equipment also puts forward new requirements to us contemporary maintenance person.

[0003] At present, when operating on both sides of the bridge door operation track, the following methods are mainly used for setting safety protection measures: one is that the safety belt is hung on the metal structure of the bridge machine or door machine installed on the track by the operating personnel;Two are that the anchor bolt is temporarily installed in the foundation near the track as the suspension point of the safety rope or safety belt;Three is that the scaffold is directly erected at the maintenance position. These methods have the following shortcomings: 1. the safety belt is directly hung on the metal structure of the bridge door machine, which will affect the normal operation of the bridge door machine;2. multiple work points, long-time maintenance, temporary anchor bolts need to be installed repeatedly, and the working efficiency is low;3. the maintenance efficiency of the scaffold erection mode is low, and the economic cost is high.

[0004] Therefore, combined with the work situation on the spot, a track fixing device for edge operation is proposed to solve the above problems. SUMMARY

[0005] The utility model aims at overcoming the above-mentioned insufficient, provide a kind of track fixing device for edge operation, to solve the problem proposed in background art.

[0006] The utility model discloses a kind of track fixing device for edge operation, the technical scheme used to solve the above technical problems is as follows: a kind of track fixing device for edge operation, including the clamping device for being installed on bridge door machine track, the clamping device is made of two symmetrically arranged fixed clamping plate, the fixed clamping plate includes clamping plate body, upper connecting plate and lower connecting plate, the upper connecting plate and lower connecting plate are respectively with the upper and lower ends of clamping plate body Fixed connection, form rigid frame structure;

[0007] Two fixed clamping plates are connected through at least two groups of fixed bolts, the fixed bolts pass through the connecting holes on the upper connecting plates of the two fixed clamping plates in sequence, and pre-tightening force is applied through the flange nuts, so that the clamping device is tightly attached to the rail; symmetrical suspension lifting rings are arranged on the two sides of the clamping plate body, the suspension lifting rings are connected with the mounting holes at the top end of the clamping plate body through pin shafts, and a rotatable safe hanging point is formed.

[0008] Preferably, the upper connecting plate and the lower connecting plate are both long strip-shaped plate structures made of high-strength alloy steel plates, and the upper connecting plate and the lower connecting plate are connected with the end of the clamping plate body through continuous weld seams.

[0009] Preferably, the outer side wall of the clamping plate body is a plane structure, the thickness is 10-15 mm, and the surface is subjected to rust-proof treatment; the inner side wall of the clamping plate body is divided into upper and lower parts, the upper part is a plane structure, and the lower part is provided with a curved surface matched with the surface arc of the bridge door machine rail.

[0010] Preferably, the curved surface is covered with a flexible contact layer made of polyurethane material, and the thickness is 3-5 mm; the flexible contact layer is fixed on the curved surface through adhesion.

[0011] Preferably, at least three connecting holes are uniformly distributed on the plate of the upper connecting plate, the diameter of the connecting holes is 12-16 mm, and the spacing is 100-150 mm; the diameter of the fixed bolt is matched with the connecting hole, and the fixed bolt is locked through the combination of a flat washer and a flange nut to prevent the bolt from loosening.

[0012] Preferably, the mounting hole is a through hole penetrating through the top end of the clamping plate body, the hole diameter is 20-25 mm, and a wear-resistant bushing is arranged on the inner wall of the hole, the wear-resistant bushing is made of nylon material and is used for reducing the wear of the pin shaft.

[0013] Preferably, the suspension lifting ring is a U-shaped structure made of forged alloy steel, and symmetrical threaded through holes are arranged at the two ends of the opening of the suspension lifting ring; the pin shaft is a stepped shaft structure, one end of the pin shaft is provided with external threads matched with the threaded through holes, and the other end of the pin shaft is fixed through a split pin.

[0014] Preferably, the bottom of the fixed clamping plate is provided with a detachable supporting leg, the supporting leg is fixed on the bottom end of the clamping plate body through a bolt, the height of the supporting leg is adjustable, and the supporting leg is used for providing additional support stability on a non-horizontal rail.

[0015] Preferably, the total weight of the clamping device is not more than 15 kg, all the connecting components are designed to be light in weight, and the surface is coated with a fluorescent warning coating.

[0016] Preferably, the contact surface of the flange nut is provided with serrated texture.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model adopts modularization design: through the standardization connection of clamping device, bolt and lifting ring, support quick assembly and flexible adaptation different track size;

[0019] 2. The utility model has high strength and stability: fixed bolt and nut cooperate gasket, provide even clamping force, curved surface is pasted with and antiskid convex design enhances the anti-overturning capacity;

[0020] 3. The utility model can realize multifunctional suspension: the lifting ring rotatable design supports multiple loadings such as safety rope, tool, material, satisfies complex operation demand;

[0021] 4. The utility model is economic and environmental protection: the device can be repeatedly used, reduces material waste, and the flexible contact layer protects the track surface, prolongs the life of the device and the track. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure connection schematic drawing of the utility model;

[0023] Figure 2 It is the clamping device structure schematic drawing of the utility model;

[0024] Figure 3 It is the fixed clamping plate structure schematic drawing of the utility model;

[0025] Figure 4 It is the fixed bolt structure schematic drawing of the utility model;

[0026] Figure 5 It is the suspension lifting ring structure schematic drawing of the utility model;

[0027] Figure 6 It is the specific embodiment schematic drawing of the utility model. DETAILED DESCRIPTION

[0028] The utility model will be further explained in connection with the drawings and examples:

[0029] Referring to Figures 1 to 6 , a track fixing device for edge operation, comprising a clamping device for being installed on a bridge door machine track, the clamping device is composed of two symmetrically arranged fixed clamping plates 1, the fixed clamping plate 1 includes clamping plate body 4, upper connecting plate 5 and lower connecting plate 6, the upper connecting plate 5 and the lower connecting plate 6 are fixedly connected with the upper and lower ends of clamping plate body 4 respectively, forming a rigid frame structure;

[0030] Two fixed clamping plates 1 are connected by at least two groups of fixed bolts 2, which pass through the connecting holes 5.1 on the upper connecting plate 5 of the two fixed clamping plates 1 in turn, and are pre-tightened by flange nuts 2.1 to make the clamping device tightly fit the rail; the two sides of the clamping plate body 4 are symmetrically provided with suspension lifting rings 3, which are connected with the mounting holes 4.2 at the top end of the clamping plate body 4 through pin shafts 3.1 to form rotatable safe hanging points. The upper connecting plate 5 and the lower connecting plate 6 can be fixedly connected with the upper and lower ends of the clamping plate body 4 respectively by welding or bolt connection to form a rigid frame structure

[0031] Preferably, the upper connecting plate 5 and the lower connecting plate 6 are both long strip-shaped plate structures made of high-strength alloy steel plates, and the upper connecting plate 5 and the lower connecting plate 6 are connected with the ends of the clamping plate body 4 through continuous welds. The width is 1.2-1.5 times the width of the rail; to ensure the bending strength and shear resistance of the connecting part.

[0032] Preferably, the outer side wall of the clamping plate body 4 is a plane structure, the thickness is 10-15mm, and the surface is treated by rust prevention; the inner side wall of the clamping plate body 4 is divided into upper and lower parts, the upper part is a plane structure, and the lower part is provided with a curved surface 4.1 matched with the surface arc of the bridge door machine rail.

[0033] Preferably, the curved surface 4.1 is covered with a flexible contact layer made of polyurethane material, the thickness is 3-5mm, and the flexible contact layer is fixed on the curved surface 4.1 by adhesion. To increase the friction coefficient and reduce the wear on the surface of the rail.

[0034] Preferably, the upper connecting plate 5 is uniformly provided with at least three connecting holes 5.1 on the plate, the diameter of the connecting hole 5.1 is 12-16mm, and the pitch is 100-150mm; the diameter of the fixed bolt 2 matches the connecting hole 5.1, and is locked by the combination of a flat washer 2.2 and a flange nut 2.1 to prevent the bolt from loosening.

[0035] Preferably, the mounting hole 4.2 is a through hole penetrating the top end of the clamping plate body 4, the hole diameter is 20-25mm, and the inner wall of the hole is provided with a wear-resistant bushing made of nylon material to reduce the wear of the pin shaft 3.1.

[0036] Preferably, the suspension lifting ring 3 is a U-shaped structure made of forged alloy steel, and the opening ends are provided with symmetric threaded holes 3.2; the pin shaft 3.1 is a stepped shaft structure, one end is provided with external threads matched with the threaded holes 3.2, and the other end is fixed by a split pin 3.1.1. To ensure that the lifting ring can rotate freely around the pin shaft without the risk of falling off.

[0037] Preferably, the bottom of the fixed clamping plate 1 is provided with a detachable support foot 7 which is fixed on the bottom end of the clamping plate body 4 by bolts. Its height is adjustable, which is used to provide additional support stability on the non-horizontal rail.

[0038] Preferably, the total weight of the clamping device is not more than 15 kg, all connecting parts are designed with lightweight, and the surface is coated with a fluorescent warning coating. It is convenient to identify at night or in low light environment.

[0039] Preferably, the contact surface of the flange nut 2.1 is provided with a sawtooth texture. It is used to increase the friction with the connecting plate and prevent the fixing bolt 2 from loosening in a vibrating environment.

[0040] The working principle of the embodiment is as follows:

[0041] Step one, the workers place two fixed clamping plates 1 on both sides of the rail, so that the curved surface 4.1 is in contact with the rail; step two, the fixed bolt 2 is inserted, and the flange nut 2.1 and the gasket 2.2 are installed in turn, and the torque wrench is tightened to the specified torque; step three, the suspension ring 3 is inserted into the mounting hole 4.2 of the clamping plate 4, the pin shaft is inserted into the mounting hole, and the end of the pin shaft is fixed by the split pin 3.1.1 to prevent it from falling off; step four, check the stability of the device to ensure that there is no shaking before hanging the safety rope or tool.

[0042] The above embodiment is only a preferred technical solution of the present application, and should not be regarded as a limitation of the present application. The protection scope of the present application should be based on the technical solution claimed in the claims, including the equivalent replacement scheme of the technical features in the technical solution claimed in the claims. That is, the equivalent replacement improvement within this range is also within the protection scope of the present application.

Claims

1. A track fixing device for edge operations, comprising a clamping device for installation on the bridge gantry crane track, characterized in that: The clamping device consists of two symmetrically arranged fixed clamping plates. Each fixed clamping plate includes a clamping plate body, an upper connecting plate, and a lower connecting plate. The upper connecting plate and the lower connecting plate are respectively fixedly connected to the upper and lower ends of the clamping plate body to form a rigid frame structure. Two fixed clamping plates are connected to each other by at least two sets of fixing bolts. The fixing bolts pass through the connecting holes on the upper connecting plates of the two fixed clamping plates in sequence, and a pre-tightening force is applied by the flange nut to make the clamping device fit tightly with the rail. The clamping plate body is provided with symmetrical hanging rings on both sides. The hanging rings are connected to the mounting holes at the top of the clamping plate body by pins to form rotatable safety hanging points.

2. A track fixing device for edge-adjacent operations according to claim 1, characterized in that: Both the upper and lower connecting plates are long strip-shaped structures made of high-strength alloy steel plates, and are connected to the ends of the clamp body by continuous welds.

3. A track fixing device for edge-keeping operations according to claim 1, characterized in that: The outer side wall of the clamp body is a planar structure with a thickness of 10-15mm and the surface is treated with rust prevention; the inner side wall of the clamp body is divided into upper and lower parts, the upper part is a planar structure, and the lower part is provided with a curved surface that matches the curvature of the bridge gantry crane track surface.

4. A track fixing device for edge-adjacent operations according to claim 3, characterized in that: The curved surface is covered with a flexible contact layer made of polyurethane material with a thickness of 3-5 mm, which is fixed to the curved surface by adhesive bonding.

5. A track fixing device for edge work according to claim 1, characterized in that: The upper connecting plate has at least three connecting holes evenly distributed on its surface. The diameter of the connecting holes is 12-16 mm and the spacing is 100-150 mm. The diameter of the fixing bolt matches the connecting hole and is locked by a combination of flat washer and flange nut to prevent the bolt from loosening.

6. A track fixing device for edge-adjacent operations according to claim 1, characterized in that: The mounting hole is a through hole that penetrates the top of the clamping plate body, with a diameter of 20-25mm. The inner wall of the hole is provided with a wear-resistant bushing made of nylon material, which is used to reduce the wear of the pin.

7. A track fixing device for edge-adjacent operations according to claim 1, characterized in that: The suspension ring has a U-shaped structure and is made of forged alloy steel. Its open ends are provided with symmetrical threaded through holes. The pin has a stepped shaft structure, with an external thread at one end that engages with the threaded through hole, and the other end is fixed by a cotter pin.

8. A track fixing device for edge work according to claim 1, characterized in that: The bottom of the fixed clamp is provided with a detachable support foot, which is fixed to the bottom end of the clamp body by bolts.

9. A track fixing device for edge work according to claim 1, characterized in that: The total weight of the clamping device does not exceed 15kg, all connecting parts are designed to be lightweight, and the surface is coated with a fluorescent warning coating.

10. A track fixing device for edge-adjacent operations according to claim 1, characterized in that: The contact surface of the flange nut has a serrated texture.

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