CN216299244U - Auxiliary tool for mounting nut of high-speed railway box girder lifting appliance - Google Patents
Auxiliary tool for mounting nut of high-speed railway box girder lifting appliance Download PDFInfo
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- CN216299244U CN216299244U CN202123150056.XU CN202123150056U CN216299244U CN 216299244 U CN216299244 U CN 216299244U CN 202123150056 U CN202123150056 U CN 202123150056U CN 216299244 U CN216299244 U CN 216299244U
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- fagging
- base plate
- screw thread
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Abstract
The utility model relates to an auxiliary tool for mounting nuts of a high-speed rail box girder lifting appliance, which comprises a first supporting plate and a second supporting plate which are arranged side by side, wherein one ends of the first supporting plate and the second supporting plate are respectively connected with a base plate, the first supporting plate and the second supporting plate are positioned on the same plane, a mounting space for inserting a suspender threaded section is formed between the first supporting plate and the second supporting plate, the thickness of the first supporting plate and the thickness of the second supporting plate are smaller than the thread pitch of the suspender threaded section, and the distance between the first supporting plate and the second supporting plate is larger than the inner diameter of the thread of the suspender threaded section and smaller than the outer diameter of the thread of the suspender threaded section. The support can realize the support of the gasket after the gasket is installed on the threaded section of the suspender, the manual lifting is not needed before the nut is installed in place, the operation mode of manually lifting the gasket for a long time is replaced, and the operation intensity of operators is greatly reduced; the device is small and portable, low in processing and manufacturing cost and convenient to use; greatly reduced construction operation safety risk, avoided the gasket to drop and caused personnel's injury.
Description
Technical Field
The utility model relates to the technical field of high-speed rail bridge construction equipment, in particular to an auxiliary tool for mounting nuts of a beam high-speed rail box beam hanger.
Background
At present, the domestic high-speed rail bridge mainly adopts a 900-ton 32-meter beam type, a part of railway lines begin to adopt a 1000-ton 40-meter beam type, the length and the weight of the bridge are very large, and for convenience of construction, 8 suspenders are adopted for vertical hoisting during demolding, carrying and erecting construction of the bridge. The hanger rod is made of 40CrNiMo, the length is generally 1600mm, the diameter is generally 100mm, and the weight of a single hanger rod is about 230 kg. The two ends of the hanger rod are provided with threads, and the hanger rod is matched with 2 sets of nuts (the single weight is generally 15 kg) and 2 sets of gaskets (the single weight is about 30 kg), wherein one pair is arranged above the hanger and one pair is fixed with the beam body.
During the specific use, penetrate the hoist with jib upper portion earlier, the installation gasket, the nut is installed afterwards, makes jib and hoist stable connection. During the girder, the jib penetrates the roof beam body through the hoist and mount hole of reserving on the roof beam piece, then installs the jib gasket earlier in the roof beam body boxroom, and the nut is installed again, and the hoist lifts by crane after the installation is accomplished, accomplishes the roof beam body and shifts, erects the construction.
However, due to the weight of the single gasket and the nut, when the nut is tightened, one worker is required to lift the gasket by hand, and the other worker is required to lift and tighten the nut. The installation of gasket nut can't be accomplished to one person promptly, and the process of lifting the gasket consumes the manpower, and intensity of labour is big.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, solve the problems of difficult gasket installation and the like, avoid the situations of personnel injury and the like caused by the falling-off of the gasket and facilitate the installation and construction operation of the lifting appliance nut.
In order to achieve the above object, one or more embodiments of the present invention provide an auxiliary tool for installing nuts of a high-speed rail box girder hanger, including a first supporting plate and a second supporting plate which are arranged side by side, wherein one end of the first supporting plate and one end of the second supporting plate are respectively connected to a base plate, the first supporting plate and the second supporting plate are located on the same plane, an installation space for inserting a threaded section of a boom is formed between the first supporting plate and the second supporting plate, the thickness of the first supporting plate and the thickness of the second supporting plate are smaller than the thread pitch of the threaded section of the boom, and a distance between the first supporting plate and the second supporting plate is larger than the inner diameter of the threaded section of the boom and smaller than the outer diameter of the threaded section of the boom.
As a further improvement, at least one of the first and second gussets is slidable and fixed along the base plate to vary a distance between the first and second gussets.
The beneficial effects of one or more of the above technical solutions are as follows:
according to the utility model, the combination of the first supporting plate and the second supporting plate is adopted, the threaded section of the lifting appliance is inserted into the installation space, and the distance between the thicknesses of the first supporting plate and the second supporting plate is required to ensure that the first supporting plate and the second supporting plate are respectively inserted between two adjacent threads of the threaded section, so that the stopping effect can be realized in the axial direction of the threaded section of the suspender, the gasket installed to a set position is prevented from falling back, the gasket is not required to be always lifted manually, the manual use is reduced, and the labor burden is reduced.
According to the utility model, at least one of the first supporting plate and the second supporting plate can slide and be fixed along the base plate, so that the distance between the first supporting plate and the second supporting plate can be adjusted, and the device can be suitable for suspender thread sections with different sizes in a set range.
The beneficial effects of the utility model are as follows:
1. the device is small and portable, low in processing and manufacturing cost and convenient to use;
2. the operation mode of manually lifting the gaskets for a long time is replaced, 8 gaskets and nuts are required to be installed when one hole beam is lifted, the labor can be saved each time, and the work efficiency can be improved by 30s by 8=240 s; the labor can be saved when the gasket and the nut are disassembled once, the work efficiency is improved by 30s by 8=240s, 8 minutes can be saved when the gasket and the nut are assembled and disassembled once, the effective operation time can be saved by about 50 minutes by calculating according to the 6-hole beam in transportation every day, and the operation intensity of operators is greatly reduced;
3. greatly reduced construction operation safety risk reduces artifical long-time lifting instability factor, especially when hoist gasket, nut are dismantled, avoids the gasket to drop and causes personnel's injury.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is an isometric view of an overall structure in example 1 of the present invention;
FIG. 2 is a plan view of the entire structure in embodiment 2 of the present invention;
fig. 3 is a side view of a part of the structure of the first supporting plate and the second supporting plate in embodiment 2 of the present invention.
In the figure: 1. a first supporting plate; 2. a substrate; 3. a handle; 4. an installation space; 5. a second supporting plate; 6. locking the bolt; 7. locking the nut; 8. a strip-shaped hole; 501. a slide board.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up, down, left and right" when appearing in the present invention merely indicate correspondence with the up, down, left and right directions of the drawings themselves, and are not limiting of structure, but merely for convenience of description and simplified description, and do not indicate or imply that the referenced apparatus or component must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting of the present invention.
Example 1
As shown in fig. 1, this embodiment provides a high-speed railway box girder hoist nut installation appurtenance, including first fagging 1 and second fagging 5 side by side, the one end of first fagging 1 and second fagging 5 is connected with base plate 2 respectively, first fagging 1 and second fagging 5 are located the coplanar, form between first fagging 1 and the second fagging 5 and be used for inserting jib screw thread section installation space 4, the thickness of first fagging 1 and second fagging 5 is less than the pitch of jib screw thread section, the interval between first fagging 1 and the second fagging 5 is greater than the internal diameter of screw thread of jib screw thread section, be less than the external diameter of screw thread of jib screw thread section.
In this embodiment, the first fagging 1 and the second fagging 5 that arrange side by side are rectangular shaped plate, and first fagging 1, second fagging 5 and base plate 2 can the components of a whole that can divide the body to make, then fix together through modes such as bolted connection or welding, also can adopt integrated into one piece to make, and a monoblock steel sheet forms first fagging 1 part, second fagging 5 part and third fagging part through seting up a breach in one side promptly.
In this embodiment, the substrate 2, the first supporting plate 1 and the second supporting plate 5 form a horseshoe-shaped structure. The parts of the first and second gussets 1 and 5 remote from the base plate 2 form the inlets from which the threaded sections of the hanger bar are inserted into the mounting space 4.
In this embodiment, for the convenience of operation of a worker, a handle 3 is mounted on the base plate 2. The handle 3 may be mounted on the side of the base plate 2 away from the first and second support plates 1, 5, or may be mounted at another position on the base plate 2. The handle 3 can be round steel, square steel or thick steel plate and the like, and can be conveniently held and gripped.
In this embodiment, carry out the atress according to steel sheet material, the biggest weight of hoist gasket and examine calculation, remain 3 times factor of safety, consider the pitch of jib screw thread section simultaneously, for example when jib pitch is 4mm, the thickness 2-3mm of first fagging 1 and second fagging 5 can satisfy the requirement.
The inner distance between the first supporting plate 1 and the second supporting plate 5 is 14cm by 9.2cm (length by width), and the outer distance is 20cm by 15cm (length by width). The internal distance of the screw thread of the hanging rod is 9cm, the external distance is 10cm, the internal distance between the first supporting plate 1 and the second supporting plate 5 is slightly larger than the internal diameter of the screw thread of the hanging rod and smaller than the external diameter of the screw thread of the hanging rod, so that the stress is ensured to meet the requirement, and meanwhile, the hanging rod is convenient to insert and pull.
The working principle is as follows:
after the jib penetrated the roof beam body, two people lifted the gasket jointly and penetrated the screw thread section of jib, and two people afterwards held up steadily, avoided the gasket to drop, and another person inserts this device below the gasket for the jib is in installation space 4, and the steady personnel of holding up in the palm loose hand, and this device can steadily hold up the gasket. Then the operator installs the nut. The lifting appliance nut installation auxiliary tool changes the procedure that two people need to specially lift the gasket and the other person installs the nut when the lifting appliance gasket and the nut are installed in the past, greatly lightens the labor intensity of construction operation personnel, greatly reduces the safety risk of construction operation, and improves the construction efficiency.
Example 2
As shown in fig. 2 and 3, unlike the embodiment 1, at least one of the first and second support plates 1 and 5 can be slid and fixed along the base plate 2 to change the distance between the first and second support plates 1 and 5.
In this embodiment, the first supporting plate 1 is fixed with the substrate 2, the elongated hole 8 is disposed at the substrate 2, the second supporting plate 5 is fixed with the sliding plate 501 and forms a stepped structure, the sliding plate 501 is provided with two mounting holes, the locking bolt 6 penetrates through the mounting holes, and the head of the locking bolt 6 sequentially penetrates through the sliding plate 501 and the substrate 2 and then is connected with the locking nut 7.
The first supporting plate 1 and the second supporting plate 5 are respectively connected with the substrate 2 in a sliding manner, and the connection structure of the first supporting plate 1 and the substrate 2 is the same as that of the second supporting plate 5 and the substrate 2.
The working principle is as follows: the working principle of the present embodiment is substantially the same as that of embodiment 1, except that when the dimension of the suspension rod is changed, the second supporting plate 5 is slid along the elongated hole 8 by loosening the two locking nuts 7, so that the distance between the first supporting plate 1 and the second supporting plate 5 is changed, and the locking nuts 7 are tightened again after the distance is adjusted to be proper.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (5)
1. The utility model provides a high-speed railway case roof beam hoist nut installation appurtenance, a serial communication port, including first fagging and second fagging side by side, the one end of first fagging and second fagging is connected with the base plate respectively, first fagging and second fagging are in the coplanar, form the installation space that is used for inserting the jib screw thread section between first fagging and the second fagging, first fagging and second fagging prop the plate thickness and are less than the pitch of jib screw thread section, interval between first fagging and the second fagging is greater than the internal diameter of screw thread of jib screw thread section, be less than the external diameter of screw thread of jib screw thread section.
2. The tool of claim 1, wherein the base plate and the first and second support plates form a horseshoe-shaped structure.
3. The high-speed railway box girder hanger nut installation auxiliary tool of claim 1, wherein a handle is installed at the base plate.
4. The tool of claim 1, wherein at least one of the first and second support plates is slidable and fixed along the base plate to change a distance between the first and second support plates.
5. The auxiliary tool for installing the nut of the high-speed rail box girder lifting appliance according to claim 4, wherein the first supporting plate is fixed to the base plate, the base plate is provided with a long-strip-shaped hole, the second supporting plate is fixed to the sliding plate and forms a step-shaped structure, the sliding plate is provided with two installation holes, the installation holes are provided with locking bolts, and the heads of the locking bolts sequentially penetrate through the sliding plate and the base plate and then are connected with the locking nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123150056.XU CN216299244U (en) | 2021-12-15 | 2021-12-15 | Auxiliary tool for mounting nut of high-speed railway box girder lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123150056.XU CN216299244U (en) | 2021-12-15 | 2021-12-15 | Auxiliary tool for mounting nut of high-speed railway box girder lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216299244U true CN216299244U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123150056.XU Active CN216299244U (en) | 2021-12-15 | 2021-12-15 | Auxiliary tool for mounting nut of high-speed railway box girder lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216299244U (en) |
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2021
- 2021-12-15 CN CN202123150056.XU patent/CN216299244U/en active Active
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