CN220289349U - Fixing device for radio frequency coaxial cable swing test - Google Patents
Fixing device for radio frequency coaxial cable swing test Download PDFInfo
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- CN220289349U CN220289349U CN202322128400.8U CN202322128400U CN220289349U CN 220289349 U CN220289349 U CN 220289349U CN 202322128400 U CN202322128400 U CN 202322128400U CN 220289349 U CN220289349 U CN 220289349U
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 239000004020 conductor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a fixing device for a radio frequency coaxial cable swing test, which comprises a support frame, a rotating mechanism and a limiting mechanism; the bottoms of the two sides of the support frame are both fixed with support plates, and the support plates are provided with fastening bolts; the rotating mechanism comprises a rotating bracket and a plurality of clamping modules; the rotary bracket comprises two circular baffles and two connecting strips; the outer sides of the two circular baffles are respectively fixed with a connecting shaft; the clamping module comprises a pair of clamping pieces, wherein each clamping piece comprises an adjusting bolt and a clamping block; the limiting mechanism comprises a limiting bracket and a plurality of limiting modules; end plates are fixed at two ends of the limiting support, two support columns are arranged between the two end plates, and two ends of the two support columns are respectively fixed on the inner side surfaces of the two end plates; studs are fixed on the outer side surfaces of the two end plates, and nuts are sleeved on the studs; the limiting modules each comprise a pair of limiting shafts. The utility model can rapidly clamp the radio frequency coaxial cables in batches, and can perform swing test on the radio frequency coaxial cables, and two adjacent radio frequency coaxial cables cannot be mutually wound.
Description
Technical Field
The utility model relates to the technical field of radio frequency coaxial cable detection, in particular to a fixing device for a radio frequency coaxial cable swing test.
Background
A radio frequency coaxial cable refers to a cable having two concentric conductors, wherein the conductors and the shielding layer share the same axis. The basic structure diagram is shown in figure 1, and comprises an inner conductor, an insulating layer, an outer conductor and a protective shell from inside to outside in sequence; the inner conductor is a lead with precise resistance, an insulating layer is formed on the outer surface of the inner conductor through thermal extrusion molding, then an extremely fine copper wire is woven along the outer side of the insulating layer after doubling, a metal woven net is formed to be the outer conductor, and finally a protective shell is formed through thermal extrusion molding again. Coaxial cables are cables commonly used in the communications arts to transmit high frequency signals.
The rf coaxial cable is often bent into various shapes in use, for example, in a notebook computer, after repeated bending, a wire core in the rf coaxial cable may be broken, so that the rf coaxial cable is broken, and therefore, a bending test should be performed on the rf coaxial cable to examine the breaking condition of the cable after bending at a certain speed, angle and times. The fixing device in the current swing test is troublesome in clamping of the radio frequency coaxial cable, is quite low in efficiency and troublesome in the assembly process, and two radio frequency coaxial cables which are close to each other are easy to mutually wind in the swing experiment, so that the accuracy of the swing test is affected.
Therefore, a fixing device for testing the swing of the radio frequency coaxial cable needs to be researched so as to solve the technical problems.
Disclosure of Invention
The utility model aims to provide a fixing device for a radio frequency coaxial cable swing test, which can rapidly clamp the radio frequency coaxial cable to be detected in batches to perform the swing test, and two adjacent radio frequency coaxial cables cannot be mutually wound.
In order to achieve the aim of the utility model, the fixing device for the swing test of the radio frequency coaxial cable comprises a supporting frame, a rotating mechanism and a limiting mechanism;
the bottoms of two sides of the support frame are respectively fixed with a support plate, the support plates are provided with fastening bolts, and the support frame is fixed on an external workbench through the fastening bolts on the two support plates;
the rotating mechanism comprises a rotating bracket and a plurality of clamping modules;
the rotary support comprises two circular baffles and two connecting strips; two ends of the two connecting strips are symmetrically fixed on the inner sides of the two circular baffles respectively;
the outer sides of the two circular baffles are respectively fixed with a connecting shaft, and the rotating bracket is rotatably arranged at the top of the supporting frame through the two connecting shafts;
the clamping modules are arranged on the two connecting strips at equal intervals; a plurality of threaded through holes are formed in the two connecting strips at equal intervals along the length direction of the connecting strips, and the threaded through holes in the two connecting strips are uniformly and correspondingly distributed;
the clamping module comprises a pair of clamping pieces, wherein the clamping pieces comprise an adjusting bolt and a clamping block;
the adjusting bolt is in threaded sleeve connection in the threaded through hole, and the end part of the adjusting bolt penetrates through the threaded through hole;
the side surface of the clamping block, which faces the adjusting bolt, is provided with a connecting hole, and one end of the adjusting bolt is sleeved in the connecting hole and can rotate in the connecting hole;
the limiting mechanism comprises a limiting bracket and a plurality of limiting modules;
end plates are fixed at two ends of the limiting support, two support columns are arranged between the two end plates, and two ends of the two support columns are symmetrically fixed on the inner side surfaces of the two end plates respectively;
studs are fixed on the outer side surfaces of the two end plates, and nuts are sleeved on the studs; the limiting mechanism is horizontally arranged on the support frame through the matching of the stud and the nut and is positioned right below the rotating mechanism;
the limiting modules are distributed on the limiting support at equal intervals, the number of the limiting modules is equal to that of the clamping modules, and the limiting modules correspond to the clamping modules one by one;
the limiting module comprises a pair of limiting shafts, the pair of limiting shafts on the same limiting module are fixed on the two supporting columns in a sleeving manner, the two ends of the pair of limiting shafts are aligned, and annular concave portions are arranged on the limiting shafts.
Preferably, a rubber layer is arranged on the clamping surface of the clamping block.
Further, a groove is formed in the middle of the rubber layer, and the groove penetrates through two sides of the rubber layer.
Optionally, a plurality of guide modules are arranged between the two connecting strips, the number of the guide modules is equal to that of the clamping modules, and the guide modules are in one-to-one correspondence with the clamping modules; the guide modules are distributed on the rotary support at equal intervals; the guide modules comprise two guide posts, and two ends of the two guide posts are respectively fixed on the inner side surfaces of the two connecting strips; the two sides of the connecting hole on the clamping blocks are respectively provided with a sleeving through hole, and the two clamping blocks on the same clamping module are respectively sleeved on the two corresponding guide posts in a sliding manner through the sleeving through holes.
Preferably, the two sides of the supporting frame are vertically provided with kidney-shaped through holes, the two kidney-shaped through holes are symmetrically arranged, and the limiting support is arranged on the two kidney-shaped through holes through studs and nuts at two ends.
Preferably, both sides of the annular concave part on the limiting shaft extend towards the periphery of the limiting shaft to form an annular baffle.
Compared with the prior art, the fixing device for the swing test of the radio frequency coaxial cable has the advantages that:
(1) The radio frequency coaxial cables to be detected can be fast fixed in batches, the swing test is carried out on the radio frequency coaxial cables, and in the test process, two adjacent radio frequency coaxial cables cannot be intertwined, so that the normal running of the swing test is effectively ensured;
(2) Simple structure and convenient use.
Drawings
Fig. 1 is a schematic structural diagram of a radio frequency coaxial cable in the background art;
fig. 2 is a schematic structural diagram of the connection between the rotating mechanism and the supporting frame in the present embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural view of a clamping block in the present embodiment;
fig. 5 is a schematic structural diagram 1 of a fixing device for testing swing of a radio frequency coaxial cable according to the present embodiment;
fig. 6 is a schematic structural diagram 2 of a fixing device for testing swing of a radio frequency coaxial cable according to the present embodiment.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples.
The fixing device for the swing test of the radio frequency coaxial cable comprises a supporting frame 1, a rotating mechanism and a limiting mechanism;
as shown in fig. 2, the support plates 2 are fixed at the bottoms of two sides of the support frame 1, fastening bolts 3 are arranged on the support plates 2, and the support frame 1 is fixed on an external workbench through the fastening bolts 3 on the two support plates 2.
As shown in fig. 2 and 3, the rotating mechanism comprises a rotating bracket 4 and a plurality of clamping modules 8; the rotary support 4 comprises two circular baffles 5 and two connecting strips 9, and two ends of the two connecting strips 9 are symmetrically fixed on the inner sides of the two circular baffles 5 respectively; the outside of two circular baffle 5 all is fixed with connecting axle 6, runing rest 4 passes through two connecting axle 6 rotation sets up the top of support frame 1.
The clamping modules 8 are arranged on the two connecting strips 9 at equal intervals; a plurality of threaded through holes are formed in the two connecting strips 9 at equal intervals along the length direction of the connecting strips, and the threaded through holes in the two connecting strips 9 are uniformly and correspondingly distributed; as shown in fig. 3, the clamping module 8 includes a pair of clamping members including an adjusting bolt 10 and a clamping block 11; the adjusting bolt 10 is in threaded sleeve connection with the threaded through hole, and the end part of the adjusting bolt 10 penetrates through the threaded through hole; the side of the clamping block 11 facing the adjusting bolt 10 is provided with a connecting hole 14, and one end of the adjusting bolt 10 is sleeved in the connecting hole 14 and can rotate in the connecting hole 14.
In this embodiment, as shown in fig. 4, a rubber layer 15 is disposed on the clamping surface of the clamping block 11, so that on one hand, the rf coaxial cable to be tested is more firmly clamped, and on the other hand, the elasticity of the rubber layer 15 is utilized to avoid pinching off the rf coaxial cable due to over-tightening of the clamping. Further, a groove 16 is formed in the middle of the rubber layer 15, the groove 16 penetrates through two sides of the rubber layer 15, and further, limiting fixation is effectively carried out on the radio frequency coaxial cable to be detected, and sliding of the radio frequency coaxial cable during a swing test is avoided.
In this embodiment, as shown in fig. 3, a plurality of guiding modules are disposed between two connecting strips 9, the number of the guiding modules is equal to that of the clamping modules 8, and the guiding modules are in one-to-one correspondence with the clamping modules 8; the guide modules are distributed on the rotary support 4 at equal intervals; the guide modules comprise two guide posts 12, and two ends of the two guide posts 12 are respectively fixed on the inner side surfaces of the two connecting strips 9; the two sides of the clamping blocks 11, which are positioned at the connecting holes 14, are respectively provided with a sleeving through hole 13, and the two clamping blocks 11 on the same clamping module 8 are respectively and slidably sleeved on the two corresponding guide posts 12 through the sleeving through holes 13; by the arrangement, the linear shape of the movement direction of the clamping block 11 can be ensured, and the radio frequency coaxial cable to be detected can be effectively and stably clamped.
As shown in fig. 5, the limiting mechanism comprises a limiting bracket 17 and a plurality of limiting modules; end plates 18 are fixed at two ends of the limiting support 17, two support columns 19 are arranged between the two end plates 18, and two ends of the two support columns 19 are symmetrically fixed on the inner side surfaces of the two end plates 18 respectively; studs 20 are fixed on the outer side surfaces of the two end plates 18, and nuts 21 are sleeved on the studs 20; the limiting mechanism is horizontally arranged on the support frame 1 through the matching of the stud 20 and the nut 21, and is located right below the rotating mechanism.
In this embodiment, as shown in fig. 5, two sides of the supporting frame 1 are vertically provided with kidney-shaped through holes 7, two kidney-shaped through holes 7 are symmetrically arranged, and the limiting support 17 is arranged on the two kidney-shaped through holes 7 through studs 20 and nuts 21 at two ends; the position of the limiting support 17 can be effectively adjusted, and the radio frequency coaxial cables with different lengths are adapted to limit the limiting support.
The limiting modules are distributed on the limiting support 17 at equal intervals, the number of the limiting modules is equal to that of the clamping modules 8, and the limiting modules correspond to the clamping modules 8 one by one; the limiting modules comprise a pair of limiting shafts 22, the limiting shafts 22 on the same limiting module are fixed on the two supporting columns 19 in a sleeving manner, two ends of the limiting shafts 22 are aligned, and annular concave portions 23 are arranged on the limiting shafts 22 and used for limiting the radio-frequency coaxial cable.
When the swing test is carried out on the radio frequency coaxial cable, firstly, the position of the limiting module on the support frame 1 is adjusted according to the length of the radio frequency coaxial cable to be detected, and then the nut 21 is screwed down to fix the position of the limiting module; one end of the radio frequency coaxial cable is placed between two clamping blocks 11 on the same clamping module 8 on the rotating mechanism, the adjusting bolt 10 is screwed down, the two clamping blocks 11 clamp the upper end of the radio frequency coaxial cable, the lower end of the radio frequency coaxial cable is respectively wound on annular concave parts 23 on two limiting shafts below the radio frequency coaxial cable, weights with required weights are hung on the lower end of the radio frequency coaxial cable, and the rotating mechanism is connected with an external driving device, so that a swinging test can be performed.
In this embodiment, as shown in fig. 6, both sides of the annular recess 23 on the limiting shaft 22 extend to the periphery thereof to form an annular baffle 24, so as to further limit the rf coaxial cable and ensure that the rf coaxial cable is not wound.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (6)
1. The fixing device for the swing test of the radio frequency coaxial cable is characterized by comprising a supporting frame, a rotating mechanism and a limiting mechanism;
the bottoms of two sides of the support frame are respectively fixed with a support plate, the support plates are provided with fastening bolts, and the support frame is fixed on an external workbench through the fastening bolts on the two support plates;
the rotating mechanism comprises a rotating bracket and a plurality of clamping modules;
the rotary support comprises two circular baffles and two connecting strips; two ends of the two connecting strips are symmetrically fixed on the inner sides of the two circular baffles respectively;
the outer sides of the two circular baffles are respectively fixed with a connecting shaft, and the rotating bracket is rotatably arranged at the top of the supporting frame through the two connecting shafts;
the clamping modules are arranged on the two connecting strips at equal intervals; a plurality of threaded through holes are formed in the two connecting strips at equal intervals along the length direction of the connecting strips, and the threaded through holes in the two connecting strips are uniformly and correspondingly distributed;
the clamping module comprises a pair of clamping pieces, wherein the clamping pieces comprise an adjusting bolt and a clamping block;
the adjusting bolt is in threaded sleeve connection in the threaded through hole, and the end part of the adjusting bolt penetrates through the threaded through hole;
the side surface of the clamping block, which faces the adjusting bolt, is provided with a connecting hole, and one end of the adjusting bolt is sleeved in the connecting hole and can rotate in the connecting hole;
the limiting mechanism comprises a limiting bracket and a plurality of limiting modules;
end plates are fixed at two ends of the limiting support, two support columns are arranged between the two end plates, and two ends of the two support columns are symmetrically fixed on the inner side surfaces of the two end plates respectively;
studs are fixed on the outer side surfaces of the two end plates, and nuts are sleeved on the studs; the limiting mechanism is horizontally arranged on the support frame through the matching of the stud and the nut and is positioned right below the rotating mechanism;
the limiting modules are distributed on the limiting support at equal intervals, the number of the limiting modules is equal to that of the clamping modules, and the limiting modules correspond to the clamping modules one by one;
the limiting module comprises a pair of limiting shafts, the pair of limiting shafts on the same limiting module are fixed on the two supporting columns in a sleeving manner, the two ends of the pair of limiting shafts are aligned, and annular concave portions are arranged on the limiting shafts.
2. The fixture for testing the swing of a radio frequency coaxial cable according to claim 1, wherein a rubber layer is arranged on the clamping surface of the clamping block.
3. The fixture for testing the swing of the radio frequency coaxial cable according to claim 2, wherein a groove is formed in the middle of the rubber layer, and the groove penetrates through two sides of the rubber layer.
4. A fixing device for testing swinging of a radio frequency coaxial cable according to any one of claims 1 to 3, wherein a plurality of guiding modules are arranged between two connecting strips, the number of the guiding modules is equal to that of the clamping modules, and the guiding modules are in one-to-one correspondence with the clamping modules; the guide modules are distributed on the rotary support at equal intervals; the guide modules comprise two guide posts, and two ends of the two guide posts are respectively fixed on the inner side surfaces of the two connecting strips; the two sides of the connecting hole on the clamping blocks are respectively provided with a sleeving through hole, and the two clamping blocks on the same clamping module are respectively sleeved on the two corresponding guide posts in a sliding manner through the sleeving through holes.
5. The fixing device for the swing test of the radio frequency coaxial cable according to claim 1, wherein two sides of the supporting frame are vertically provided with kidney-shaped through holes, the two kidney-shaped through holes are symmetrically arranged, and the limiting support is arranged on the two kidney-shaped through holes through studs and nuts at two ends.
6. The fixture for testing the swing of the radio frequency coaxial cable according to claim 1 or 5, wherein two sides of the annular concave part on the limiting shaft extend towards the periphery of the annular concave part to form an annular baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128400.8U CN220289349U (en) | 2023-08-08 | 2023-08-08 | Fixing device for radio frequency coaxial cable swing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128400.8U CN220289349U (en) | 2023-08-08 | 2023-08-08 | Fixing device for radio frequency coaxial cable swing test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289349U true CN220289349U (en) | 2024-01-02 |
Family
ID=89336496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322128400.8U Active CN220289349U (en) | 2023-08-08 | 2023-08-08 | Fixing device for radio frequency coaxial cable swing test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289349U (en) |
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2023
- 2023-08-08 CN CN202322128400.8U patent/CN220289349U/en active Active
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