CN211235241U

CN211235241U - Clamp for 50 omega cluster radio frequency coaxial cable assembly tensile test

Info

Publication number: CN211235241U
Application number: CN201922033886.0U
Authority: CN
Inventors: 周川楠; 龙永会; 罗勇; 杨先金; 宋志佗; 杜泉峰
Original assignee: Chengdu Tairui Communication Equipment Detection Co ltd
Current assignee: Chengdu Tairui Communication Equipment Detection Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-11
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a 50 omega radio frequency coaxial cable subassembly anchor clamps for tensile test tied in a bundle, the anchor clamps for tensile test include upper fixture and lower fixture, upper fixture meets with the first pulling force joint of chest expander, lower fixture meets with the second pulling force joint of chest expander, and upper fixture and lower fixture centre gripping respectively in waiting to tensile test's cable subassembly both ends; through the utility model discloses a structural design of anchor clamps has realized matcing with the shape of 50 omega radio frequency coaxial cable subassembly tied in a bundle to the problem of skidding and droing between cable subassembly and the anchor clamps of having avoided traditional test process to appear has improved test efficiency. Meanwhile, through the structural design of the fastening sleeve in the lower clamp, the structural protection of the cable assembly is completed, the damage to the cable in the test process is avoided, and the lower clamp can adapt to the cable assemblies with various sizes and specifications.

Description

Clamp for 50 omega cluster radio frequency coaxial cable assembly tensile test

Technical Field

The utility model belongs to cable testing arrangement field especially relates to a 50 omega radio frequency coaxial cable subassembly anchor clamps for tensile test tied in a bundle.

Background

With the rapid development of wireless communication technology, bundled cable assemblies are becoming more and more used. The bunched cable assembly is used for connection between an antenna and RRU equipment and is used for connecting a bunched connector to a calibration network, and the transmission performance of the whole assembly is directly influenced by the connection between connectors at two ends of the bunched cable assembly and the cable.

The 50 omega bundled radio frequency coaxial cable assembly consists of a bundled cable and a connector, and is shown in a simplified figure in figure 1.

The tensile test is one of the most basic methods for mechanical property test, and although there are many factors affecting the tensile test result, the clamp is one of the most important and the most basic devices. At present, a set of clamps (an upper part and a lower part) is needed to clamp two ends of a material during a tensile test. The upper clamp is fixed with the sensor, the lower clamp is fixed with the base of the tensile machine, the sample is clamped between the two clamps, and the tensile machine is started to test after the two clamps are fixed. As the tension increases, then to a certain value and for a certain period of time. The tensile test method of the 50 omega bundled radio frequency coaxial cable assembly comprises the following steps: a longitudinal force 240N was applied to the connectors at both ends of the cluster tool for a 1min force application time. The force is applied to each end connector in turn, and the distance between the force application point and the fixed point is at least 300 mm.

That is, in the prior art, a bundled cable joint and a cable are directly clamped on an upper clamp and a lower clamp which are commonly used by a tensile machine respectively, and tensile force is applied. Because the upper clamp is not matched with the connector, the upper clamp is easy to slip and fall off. The cable is easily damaged due to the fact that the lower clamp is unprotected. Therefore, a clamping device based on the specific shape and size design of the 50 Ω bundled rf coaxial cable is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to overcome the problems in the prior art, the clamp for the 50 omega bundling radio frequency coaxial cable assembly tensile test is provided, the shape matching with the 50 omega bundling radio frequency coaxial cable assembly is completed through the structural design of the clamp, so that the problems of slipping and falling between the cable assembly and the clamp in the traditional test process are avoided, and the test efficiency is improved.

The purpose of the utility model is realized through the following technical scheme:

a50 omega bunched radio frequency coaxial cable assembly tensile test clamp comprises an upper clamp and a lower clamp, wherein the upper clamp is connected with a first tensile joint of a chest expander, the lower clamp is connected with a second tensile joint of the chest expander, and the upper clamp and the lower clamp are respectively clamped on a connector and a cable of a cable assembly to be tensile tested; the upper clamp comprises an upper connector, a connecting shaft and a clamping piece, one end of the upper connector is connected with the first tensile connector, the other end of the upper connector is connected with the connecting shaft, the connecting shaft is connected with the clamping piece, and the clamping piece is connected with a connector of a cable assembly; the clamping piece is clamped in the through hole structure, and the through hole structure is provided with a notch part smaller than 1/2 circular arc; the lower clamp comprises a lower connector, a connecting plate and a clamping seat, one end of the lower connector is connected with the second tension connector, the other end of the lower connector is connected with the connecting plate, the connecting plate is connected with the clamping seat, and the clamping seat is connected with a cable of the cable assembly.

According to a preferred embodiment, the clamping piece is of a split-type clamping structure, and a clamping space matched with the shape of the branch connector and/or the main connector in the cable assembly is arranged in the clamping piece.

According to a preferred embodiment, the upper part of the clamping piece is provided with a limiting part with a diameter larger than that of the through hole structure, and the lower part of the clamping piece is provided with a straight cylinder structure matched with the diameter of the through hole structure.

According to a preferred embodiment, the clamping seat is a bisection type clamping structure, and a clamping space for accommodating a cable of the cable assembly is arranged between the bisection type clamping structures.

According to a preferred embodiment, a fastening sleeve is further arranged between the clamping seat and the cable line of the cable assembly.

According to a preferred embodiment, the clamping sleeve is made of a rubber material.

According to a preferred embodiment, the split clamping structures of the clamping shoes are fixedly connected by means of bolts.

According to a preferred embodiment, the lower connector is connected with the connecting plate in a hinged manner.

According to a preferred embodiment, a bolt hole structure is arranged on the lower connector, and the lower connector is connected with the second tension connector through a bolt.

According to a preferred embodiment, a bolt hole structure is arranged on the upper connector, and the upper connector is connected with the first tension connector through a bolt.

The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; and the utility model discloses also can the independent assortment between (each non-conflict selection) selection and between other choices. The technical solutions to be protected by the present invention, which are various combinations that can be known to those skilled in the art based on the prior art and the common general knowledge after understanding the present invention, are not exhaustive herein.

The utility model has the advantages that: through the utility model discloses a structural design of anchor clamps has realized matcing with the shape of 50 omega radio frequency coaxial cable subassembly tied in a bundle to the problem of skidding and droing between cable subassembly and the anchor clamps of having avoided traditional test process to appear has improved test efficiency. Meanwhile, through the structural design of the fastening sleeve in the lower clamp, the structural protection of the cable assembly is completed, the damage to the cable in the test process is avoided, and the lower clamp can adapt to the cable assemblies with various sizes and specifications.

Drawings

Fig. 1 is a schematic structural view of a cable assembly of the present invention;

fig. 2 is a schematic structural view of the upper clamp of the present invention;

fig. 3 is a schematic structural view of the lower clamp of the present invention;

fig. 4 is a schematic view of the working state of the present invention;

the tension device comprises a tension device 100, a tension connector 101, a first tension connector 102, a second tension connector 200, an upper clamp 201, an upper connector 202, a connecting shaft 203, a notch portion 204, a clamping piece 300, a lower clamp 301, a lower connector 302, a connecting plate 303, a fastening sleeve 304, a clamping seat 400, a cable assembly 401, a branch connector 402 and a main connector.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that, in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Additionally, the utility model discloses it is pointed out that, in the utility model, if do not write out structure, connection relation, positional relationship, power source relation etc. that concretely relates to very much, then the utility model relates to a structure, connection relation, positional relationship, power source relation etc. are technical personnel in the field on prior art's basis, can not learn through creative work.

Example 1:

referring to fig. 2, 3 and 4, a clamp for tensile testing of a 50 Ω bundled rf coaxial cable assembly 400 is shown. The tensile test jig includes an upper jig 200 and a lower jig 300. The clamping of the connector and the cable line in the cable assembly 400 to be subjected to the tensile test is performed by the upper and

lower clamps

200 and 300 and placed on the chest expander 100. The chest expander 100 performs a tension test according to test conditions.

Preferably, the upper clamp 200 is connected to the first tension joint 101 of the chest expander 100. The lower clamp 300 is connected to the second tension joint 102 of the chest expander 100. And the upper jig 200 and the lower jig 300 clamp the connector and the cable line, respectively, in the cable assembly 400 to be tension tested. Thereby accomplishing a drawing process of the cable assembly 400. The chest expander 100 respectively applies tension to the cable assembly 400 through the first tension joint 101 and the second tension joint 102 according to test conditions, and completes a tension test.

Preferably, the upper clamp 200 includes an upper connector 201, a connecting shaft 202, and a clamping member 204.

Preferably, one end of the upper connector 201 is connected to the first tension connector 101. Furthermore, a bolt hole structure is arranged on the upper connector 201, and the upper connector 201 is connected with the first tension connector 101 through a bolt.

Preferably, the other end of the upper connector 201 is connected to the connecting shaft 202. The connecting shaft 202 is connected with the clamping piece 204, and the clamping piece 204 is connected with one end of the cable assembly 400.

Preferably, the clamp 204 is a split clamp structure. A clamping space matching the shape of the sub-connector 401 and/or the main connector 402 of the cable assembly 400 is provided in the clamping member 204. For completing the clamping of the connectors in the cable assembly 400.

Further, the connecting shaft 202 is provided with a groove structure extending along the axial direction of the connecting shaft 202. And the bottom end of the groove structure is provided with a through hole structure, and the clamping piece 204 is clamped in the through hole structure. That is, the fixing and clamping of the clamping member 204 is completed through the through hole structure.

Preferably, the upper portion of the clamping member 204 is provided with a limiting portion having a diameter larger than that of the through hole structure. The lower part of the clamping piece 204 is provided with a straight cylinder structure matched with the diameter of the through hole structure. And the through hole structure is provided with a notch part 203 smaller than 1/2 circular arc. The notch 203 is designed such that the clip 204 does not slip out of the notch 203, but the cable line of the cable assembly 400 can freely pass through the notch 203.

Preferably, the lower clamp 300 includes a lower connection head 301, a connection plate 302, and a clamping seat 304.

Preferably, one end of the lower connector 301 is connected to the second tension connector 102. Further, a bolt hole structure is arranged on the lower connector 301, and the lower connector 301 is connected with the second pull connector 102 through a bolt.

Preferably, the other end of the lower connector 301 is connected to the connecting plate 302. Further, the lower connector 301 and the connecting plate 302 may be connected in a hinged manner.

Preferably, the connecting plate 302 is connected to the holder 304. The holder 304 is connected to the cable wires in the cable assembly 400. Clamping of the electrical cables in the cable assembly 400 is accomplished by the clamp block 304.

Preferably, the clamping base 304 is a split type clamping structure, and a clamping space for accommodating a cable in the cable assembly 400 is provided between the split type clamping structures.

Further, the split clamping structures of the clamping base 304 are fixedly connected through bolts.

Preferably, a fastening sleeve 303 is further disposed between the clamping seat 304 and the cable line. The adapter sleeve 303 is made of a rubber material. Further, the fastening sleeve 303 is provided with various dimensions to accommodate the dimensional configurations of the various cables in the cable assembly 400.

Through the utility model discloses a structural design of anchor clamps has realized matcing with the shape of 50 omega radio frequency coaxial cable subassembly tied in a bundle to the problem of skidding and droing between cable subassembly and the anchor clamps of having avoided traditional test process to appear has improved test efficiency. Meanwhile, through the structural design of the fastening sleeve in the lower clamp, the structural protection of the cable assembly is completed, the damage to the cable in the test process is avoided, and the lower clamp can adapt to the cable assemblies with various sizes and specifications.

The aforesaid the utility model discloses basic embodiment and each further alternative can the independent assortment in order to form a plurality of embodiments, is the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each selection example can be combined with any other basic examples and selection examples at will.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The clamp for the tensile test of the 50 omega bundled radio frequency coaxial cable assembly is characterized by comprising an upper clamp (200) and a lower clamp (300), wherein the upper clamp (200) is connected with a first tensile joint (101) of a chest expander (100), the lower clamp (300) is connected with a second tensile joint (102) of the chest expander (100), and the upper clamp (200) and the lower clamp (300) are respectively clamped on a connector and a cable wire of a cable assembly (400) to be subjected to the tensile test;

the upper clamp (200) comprises an upper connector (201), a connecting shaft (202) and a clamping piece (204), one end of the upper connector (201) is connected with the first tensile connector (101), the other end of the upper connector is connected with the connecting shaft (202), the connecting shaft (202) is connected with the clamping piece (204), and the clamping piece (204) is connected with a connector of a cable assembly (400);

the clamping piece (204) is clamped in the through hole structure, and the through hole structure is provided with a notch part (203) smaller than 1/2 circular arc;

lower anchor clamps (300) are including connector (301), connecting plate (302) and grip slipper (304) down, connector (301) one end down with second pulling force joint (102) meet the other end with connecting plate (302) meet, connecting plate (302) with grip slipper (304) link to each other, grip slipper (304) with the cable conductor of cable subassembly (400) meets.

2. The clamp for the tensile test of the 50 Ω bundled rf coaxial cable assembly according to claim 1, wherein the clamping member (204) is a split-type clamping structure, and a clamping space matching the shape of the center connector (401) and/or the center connector (402) of the cable assembly (400) is provided in the clamping member (204).

3. The clamp for the tensile test of the 50 Ω bundled radio frequency coaxial cable assembly according to claim 2, wherein the upper portion of the clamping member (204) is provided with a limiting portion having a diameter larger than that of the through hole structure, and the lower portion of the clamping member (204) is provided with a straight tube structure matching with the diameter of the through hole structure.

4. The clamp for the tensile test of the 50 Ω cluster rf coaxial cable assembly according to claim 1, wherein the clamping base (304) is a split-type clamping structure, and a clamping space for accommodating the cable of the cable assembly (400) is provided between the split-type clamping structures.

5. The clamp for the tensile test of the 50 Ω bundled rf coaxial cable assembly according to claim 4, wherein a fastening sleeve (303) is further disposed between the clamping seat (304) and the cable of the cable assembly (400).

6. The clamp for the tensile test of the 50 Ω bundled radio frequency coaxial cable assembly according to claim 5, wherein said fastening sleeve (303) is made of rubber material.

7. The clamp for the tensile test of the 50 Ω bundled radio frequency coaxial cable assembly according to claim 4, wherein the split-type clamping structures of the clamping base (304) are fixedly connected by bolts.

8. The clamp for the tensile test of the 50 Ω bundled rf coaxial cable assembly according to claim 1, wherein the lower connector (301) is connected to the connecting plate (302) in a hinged manner.

9. The clamp for the tensile test of the 50 Ω bundled radio frequency coaxial cable assembly according to claim 1, wherein the lower connector (301) is provided with a pin hole structure, and the lower connector (301) is connected to the second pull tab (102) through a pin.

10. The clamp for the tensile test of the 50 Ω bundled rf coaxial cable assembly according to claim 1, wherein the upper connector (201) is provided with a pin hole structure, and the upper connector (201) is connected to the first pull tab (101) through a pin.