CN220908140U - Adjustable seam width fixing assembly of telescopic device - Google Patents
Adjustable seam width fixing assembly of telescopic device Download PDFInfo
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- CN220908140U CN220908140U CN202322659407.2U CN202322659407U CN220908140U CN 220908140 U CN220908140 U CN 220908140U CN 202322659407 U CN202322659407 U CN 202322659407U CN 220908140 U CN220908140 U CN 220908140U
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- connecting rods
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- seam width
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- 238000010276 construction Methods 0.000 abstract description 24
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000011900 installation process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of telescopic device fixing assemblies, and discloses a telescopic device adjustable seam width fixing assembly. The main technical characteristics are as follows: the end fixing pieces comprise end connecting frames and end connecting rods positioned on one side of the end connecting frames, the end connecting rods are fixedly connected with the end connecting frames, end threaded holes are formed in the end connecting frames, and end screws are arranged in the end threaded holes; the two end connecting rods are respectively provided with a positive thread and a negative thread, an internal thread connecting sleeve is arranged between the two end connecting rods, and internal threads with different rotation directions are arranged at two ends of the inner wall of the internal thread connecting sleeve. The two side beams are connected together through the adjustable seam width fixing assembly of the telescopic device, so that transportation and installation are facilitated, constructors adjust the distance between the side beams according to the site construction environment, and the construction precision is high. The same applies to telescopic devices with a centre sill.
Description
Technical Field
The utility model belongs to the technical field of telescopic device fixing assemblies, and particularly relates to a telescopic device adjustable seam width fixing assembly.
Background
The currently used telescopic device comprises two side beams, at least one middle beam and a displacement box or only two side beams and a displacement box, and the standard JT/T327-2016 of the highway bridge telescopic device is the general technical condition of the highway bridge telescopic device in the present stage; DB13/T5192-2020 "maintenance and replacement technical regulations for highway bridge expansion device" all set forth the requirement for expansion device installation, if it is constructed according to the operation standard completely, because of being restricted by conditions such as construction place, the construction progress is slow. In order to facilitate transportation and installation, the telescopic device is used for fixedly connecting the side beams and the middle beam together through fixed angle steel according to the requirement after production is completed, and then taking down the fixed angle steel from the side beams and the middle beam after pouring construction is completed. The distance between the middle beam and the side beams and between the adjacent middle beams is set to be a fixed value, the distance between the middle beam and the side beams and between the adjacent middle beams cannot be adjusted according to the site conditions of a construction site (such as the current temperature during construction, the seam width of the existing telescopic device, and the like), and the expansion caused by temperature difference causes cold contraction, so that the seam width of the telescopic device during installation and the distance between the middle beam and the side beams and between the adjacent middle beams are not in accordance with the requirements, the service life of the telescopic device is shortened, and the noise of a vehicle during passing is increased.
Disclosure of utility model
The adjustable seam width fixing component of the telescopic device has the advantages of simple structure, convenience in installation and adjustment, capability of randomly adjusting the distance between the middle beam and the side beam and between the adjacent middle beams according to the site conditions of a construction site, prolonged service life of the telescopic device and reduced noise when a vehicle passes through.
In order to solve the problems, the adjustable seam width fixing component of the telescopic device adopts the following technical scheme: the end fixing piece comprises an end connecting frame and an end connecting rod positioned at one side of the end connecting frame, wherein the end connecting rod is fixedly connected with the end connecting frame, an end threaded hole is formed in the end connecting frame, and an end screw is arranged in the end threaded hole; the two end connecting rods are respectively provided with a positive thread and a negative thread, an internal thread connecting sleeve is arranged between the two end connecting rods, and internal threads with different rotation directions are arranged at two ends of the inner wall of the internal thread connecting sleeve.
The accessory is technically characterized in that:
At least one middle fixing piece is arranged between the two end fixing pieces, the middle fixing piece comprises a middle connecting frame and middle connecting rods fixed with the middle connecting frame, the middle connecting rods are symmetrically arranged on two sides of the middle connecting frame, middle threaded holes are formed in the middle connecting frame, and middle threaded rods are arranged in the middle threaded holes; the two middle connecting rods on each middle fixing piece are respectively provided with a positive rotation thread and a negative rotation thread, the end connecting rod of the positive rotation thread is arranged opposite to the middle connecting rod of the negative rotation thread, and the end connecting rod of the negative rotation thread is arranged opposite to the middle connecting rod of the positive rotation thread; the middle connecting rods of the adjacent middle connecting fixing pieces with threads in different rotation directions are oppositely arranged, and internal thread connecting sleeves are arranged between the end connecting rods and the opposite middle connecting rods and between the adjacent middle connecting rods.
Compared with the prior art, the adjustable seam width fixing assembly of the telescopic device provided by the utility model has the following advantages: the end fixing piece comprises an end connecting frame and an end connecting rod positioned at one side of the end connecting frame, wherein the end connecting rod is fixedly connected with the end connecting frame, an end threaded hole is formed in the end connecting frame, and an end screw is arranged in the end threaded hole; the two end connecting rods are respectively provided with a positive thread and a negative thread, an internal thread connecting sleeve is arranged between the two end connecting rods, internal threads with different rotation directions are arranged at the two ends of the inner wall of the internal thread connecting sleeve, a fixing bolt hole is formed above a side beam of the telescopic device, the lower ends of the end screw rods are respectively inserted into the corresponding fixing bolt holes, thus the two side beams are connected together through the telescopic device adjustable seam width fixing assembly, the side beams cannot move in the transportation and installation processes, transportation and installation are convenient, before construction, constructors adjust the distance of the two side beams by rotating the internal thread connecting sleeve in the corresponding direction according to the field construction environment (such as the temperature during construction, the seam width of the existing telescopic device and the like), the adjustment is more convenient, the construction precision is high, the service life of the telescopic device is prolonged, and the noise of vehicles when passing is reduced;
Secondly, at least one middle fixing piece is arranged between the two end fixing pieces, the middle fixing piece comprises a middle connecting frame and middle connecting rods fixed with the middle connecting frame, the middle connecting rods are symmetrically arranged on two sides of the middle connecting frame, middle threaded holes are formed in the middle connecting frame, and middle threaded rods are arranged in the middle threaded holes; the two middle connecting rods on each middle fixing piece are respectively provided with a positive rotation thread and a negative rotation thread, the end connecting rod of the positive rotation thread is arranged opposite to the middle connecting rod of the negative rotation thread, and the end connecting rod of the negative rotation thread is arranged opposite to the middle connecting rod of the positive rotation thread; the middle connecting rods of the adjacent middle connecting fixing pieces of threads with different screwing directions are oppositely arranged, the inner threaded connecting sleeves are arranged between the end connecting rods and the opposite middle connecting rods and between the adjacent middle connecting rods, fixing bolt holes are formed in the upper parts of the middle beams and the side beams of the telescopic device, the lower ends of the end screw rods and the middle screw rods are respectively inserted into the corresponding fixing bolt holes, the middle beams and the side beams are connected together through the telescopic device adjustable seam width fixing assemblies, the side beams and the middle beams cannot move in the transportation and installation process, transportation and installation are convenient, before construction, constructors adjust the distance between the side beams and the middle beams and between the adjacent middle beams by rotating the inner threaded connecting sleeves in the corresponding directions according to the field construction environment (such as the temperature during construction, the seam width of the existing telescopic device and the like), the adjustment is more convenient, the construction precision is high, the service life of the telescopic device is prolonged, and the noise of vehicles in passing is reduced.
Drawings
FIG. 1 is a schematic view of a telescoping device adjustable seam width fixation assembly for telescoping devices having only two side rails;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of the right-hand end mount;
FIG. 4 is a top view of the end mount of FIG. 3;
FIG. 5 is a schematic view of the structure of an internally threaded connection sleeve;
FIG. 6 is a schematic view of the structure of the telescoping device after the telescoping device is fixed by the adjustable seam width fixing assembly;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic structural view of a telescoping device adjustable seam width fixation assembly for a telescoping device with a center sill;
FIG. 9 is an enlarged view at A in FIG. 8;
FIG. 10 is a schematic top view of the structure of FIG. 8;
FIG. 11 is a schematic view of the structure of the middle mount;
FIG. 12 is a top view of the middle mount;
FIG. 13 is a schematic view of the telescoping device after the telescoping device is secured by the telescoping device adjustable slot width securing assembly;
fig. 14 is a top view of fig. 13.
Detailed Description
The structure and the principle of use of the adjustable seam width fixing assembly of the telescopic device of the present utility model will be described in further detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the adjustable seam width fixing assembly of the telescopic device of the present utility model comprises end fixing members 1 at two ends, wherein the end fixing members 1 comprise end connecting frames 11 and end connecting rods 12 at one side of the end connecting frames, the end connecting rods 12 are fixedly connected with the end connecting frames 11, end threaded holes 13 are formed in the end connecting frames 11, and end threaded rods 14 are arranged in the end threaded holes 13. The two end connecting rods 12 are respectively provided with a positive thread and a negative thread, and as shown in fig. 3 and 4, the end connecting rod at the right part is provided with a negative thread 121, and the end connecting rod at the left side is provided with a positive thread 122. Of course, the right end connecting rod may be provided with a positive screw thread, and the left end connecting rod may be provided with a negative screw thread. An internal thread connecting sleeve 3 is arranged between the two end connecting rods 12, and internal threads with different rotation directions, namely a positive thread 31 and a negative thread 32, are arranged at two ends of the inner wall of the internal thread connecting sleeve 3.
The fixing bolt holes 41 are formed in the upper portion of the side beam 5 of the telescopic device, the lower ends of the end screw rods 14 are respectively inserted into the corresponding fixing bolt holes 41, so that the two side beams are connected together through the telescopic device adjustable seam width fixing assembly, the side beams cannot move in the transportation and installation processes, transportation and installation are facilitated, before construction, constructors can adjust the distance between the two side beams according to the field construction environment (such as the temperature during construction, the seam width of the existing telescopic device and the like) through rotating the internal threaded connecting sleeve in the corresponding direction, the adjustment is more convenient, the construction precision is high, the service life of the telescopic device is prolonged, and the noise when a vehicle passes through is reduced.
As shown in fig. 8, 9, 10, 11, 12, 13 and 14, the telescopic device with center sill is a structural schematic diagram of a telescopic device adjustable seam width fixing assembly used for the telescopic device, and the telescopic device adjustable seam width fixing assembly of the present utility model includes end fixing pieces 1 at both ends and at least one middle fixing piece 2 between the two end fixing pieces 1. The end fixing member 1 includes an end connecting frame 11 and an end connecting rod 12 located on one side of the middle connecting frame 11, the end connecting rod 12 is fixedly connected with the end connecting frame 11, an end threaded hole 13 is provided on the end connecting frame 11, and an end screw 14 is provided in the end threaded hole 13. The middle fixing part 2 comprises a middle connecting frame 21 and middle connecting rods 22 fixed with the middle connecting frame, wherein the middle connecting rods 22 are symmetrically arranged on two sides of the middle connecting frame 21, middle threaded holes 23 are formed in the middle connecting frame 21, and middle threaded rods 24 are arranged in the middle threaded holes 23.
As shown in fig. 11 and 12, the two middle connecting rods 22 on each middle fixing piece 2 are respectively provided with a positive rotation thread 221 and a negative rotation thread 222, the end connecting rod 12 of the positive rotation thread is opposite to the middle connecting rod 22 of the negative rotation thread 222, and the end connecting rod 12 of the negative rotation thread is opposite to the middle connecting rod 22 of the positive rotation thread 221; the middle connecting rods 22 of the adjacent middle connecting fixing pieces 2 with threads of different rotation directions are oppositely arranged, an internal thread connecting sleeve 3 is arranged between the end connecting rod 12 and the opposite middle connecting rod 22 and between the adjacent middle connecting rods 22, and internal threads of different rotation directions, namely a positive rotation thread 31 and a negative rotation thread 32, are arranged at two ends of the inner wall of the internal thread connecting sleeve 3.
The fixing bolt holes 41 are formed in the upper parts of the middle beams 4 and the side beams 5 of the telescopic device, the lower ends of the end screw rods 14 and the middle screw rods 24 are respectively inserted into the corresponding fixing bolt holes 41, so that the middle beams 4 and the side beams 5 are connected together through the adjustable seam width fixing components of the telescopic device, the side beams 5 and the middle beams 4 cannot move in the transportation and installation process, transportation and installation are convenient, before construction, constructors can adjust the distance between the side beams and the middle beams and between the adjacent middle beams by rotating the internal thread connecting sleeve in the corresponding direction according to the field construction environment (such as the temperature during construction, the seam width of the existing telescopic device and the like), the adjustment is more convenient, the construction precision is high, the service life of the telescopic device is prolonged, and the noise of vehicles during passing is reduced.
The protection scope of the present utility model is not limited to the above embodiments, and falls within the protection scope of the present utility model as long as the structure is the same as or similar to that of the adjustable seam width fixing component of the telescopic device of the present utility model.
Claims (2)
1. Adjustable seam width fixed subassembly of telescoping device, its characterized in that: the end fixing piece comprises an end connecting frame and an end connecting rod positioned at one side of the end connecting frame, wherein the end connecting rod is fixedly connected with the end connecting frame, an end threaded hole is formed in the end connecting frame, and an end screw is arranged in the end threaded hole;
The two end connecting rods are respectively provided with a positive thread and a negative thread, an internal thread connecting sleeve is arranged between the two end connecting rods, and internal threads with different rotation directions are arranged at two ends of the inner wall of the internal thread connecting sleeve.
2. The telescoping device adjustable seam width fixation assembly of claim 1, wherein: at least one middle fixing piece is arranged between the two end fixing pieces,
The middle fixing piece comprises a middle connecting frame and middle connecting rods fixed with the middle connecting frame, wherein the middle connecting rods are symmetrically arranged on two sides of the middle connecting frame, middle threaded holes are formed in the middle connecting frame, and middle screws are arranged in the middle threaded holes;
The two middle connecting rods on each middle fixing piece are respectively provided with a positive rotation thread and a negative rotation thread, the end connecting rod of the positive rotation thread is arranged opposite to the middle connecting rod of the negative rotation thread, and the end connecting rod of the negative rotation thread is arranged opposite to the middle connecting rod of the positive rotation thread; the middle connecting rods of the adjacent middle connecting fixing pieces with threads in different rotation directions are oppositely arranged, and internal thread connecting sleeves are arranged between the end connecting rods and the opposite middle connecting rods and between the adjacent middle connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322659407.2U CN220908140U (en) | 2023-10-01 | 2023-10-01 | Adjustable seam width fixing assembly of telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322659407.2U CN220908140U (en) | 2023-10-01 | 2023-10-01 | Adjustable seam width fixing assembly of telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220908140U true CN220908140U (en) | 2024-05-07 |
Family
ID=90915988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322659407.2U Active CN220908140U (en) | 2023-10-01 | 2023-10-01 | Adjustable seam width fixing assembly of telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220908140U (en) |
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2023
- 2023-10-01 CN CN202322659407.2U patent/CN220908140U/en active Active
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