CN213022584U

CN213022584U - Test equipment for coaxial cable

Info

Publication number: CN213022584U
Application number: CN202022039646.4U
Authority: CN
Inventors: 陈俊中; 李惠子; 徐启忠
Original assignee: Aiou Cable Manufacturing Hangzhou Co ltd
Current assignee: Aiou Cable Manufacturing Hangzhou Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-20
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a test equipment for coaxial cable relates to cable test technical field, can both carry out compressive property to a single cable to current most cable testing arrangement and detect, can not detect many cables simultaneously, needs people's handheld cable to carry out the problem of fixing when detecting moreover, now proposes following scheme, the camera includes a supporting plate, two support frames are installed to the top face symmetry of backup pad, and two support frame positions are parallel to each other, two the upper end of support frame is equipped with first lead screw, and the one end of first lead screw passes through the bearing rotation with a lateral wall of one of them support frame and is connected, and the other end passes a lateral wall and the fixedly connected with carousel of another support frame. The utility model is simple in operation, convenient to use not only can carry out compressive property simultaneously to a plurality of cables and detect, can fix the cable when detecting moreover, have brought the facility for operating personnel.

Description

Test equipment for coaxial cable

Technical Field

The utility model relates to a cable test technical field especially relates to a test equipment for coaxial cable.

Background

The coaxial cable can be divided into a baseband coaxial cable and a broadband coaxial cable in terms of application, and the coaxial cable is divided into a 50 Ω baseband cable and a 75 Ω broadband cable. The baseband cable is divided into a thin coaxial cable and a thick coaxial cable. The baseband cable is only used for digital transmission, and the coaxial cable refers to a cable which has two concentric conductors, and the conductor and the shielding layer share the same axis. Most common coaxial cables consist of a copper conductor separated by an insulating material, outside of which is another layer of annular conductor and its insulation, and then the entire cable is surrounded by a sheath of polyvinyl chloride or teflon material.

In the prior art, most cables are exposed outside frequently, the compression resistance performance becomes particularly important, but the compression resistance testing device can detect a single cable and cannot detect a plurality of cables simultaneously, the cables need to be held by hands to be fixed during detection, time and labor are wasted, and therefore the testing equipment for the coaxial cables is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a test equipment for coaxial cable has solved current most of cable testing arrangement and can both carry out compressive property to a single cable and detect, can not detect many cables simultaneously, needs people's handheld cable to carry out the problem of fixing when detecting moreover.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a test device for coaxial cables comprises a support plate, wherein two support frames are symmetrically arranged on the top end face of the support plate, the positions of the two support frames are parallel to each other, a first lead screw is arranged at the upper end of each support frame, one end of the first lead screw is rotatably connected with one side wall of one support frame through a bearing, the other end of the first lead screw penetrates through one side wall of the other support frame and is fixedly connected with a rotary table, two moving blocks are sleeved on the first lead screw in a threaded manner, the bottom ends of the two moving blocks are respectively hinged with a first connecting rod through a rotating shaft, the two first connecting rods are respectively hinged with a same pressing block through a rotating shaft, a pressure sensor is arranged on the lower end face of the pressing plate, the pressing plate is fixedly connected with the bottom end of the pressure sensor, a cavity is formed in the support plate, a rotating, the same belt is sleeved between the two belt pulleys, the other end of the rotating rod is fixedly connected with a first gear, the bottom end face of the cavity is rotatably connected with a threaded pipe, a second gear is fixedly connected to the outer side wall of the threaded pipe, the first gear is meshed with the second gear, a threaded rod is sleeved on the inner wall of the threaded pipe in a threaded mode, the top end face of the threaded rod is fixedly connected with a bearing table, and the upper end face of the bearing table is provided with a fixing mechanism.

Preferably, the fixing mechanism comprises two chutes arranged on the top end face of the bearing platform, three second lead screws are connected to each chute in a rotating mode, the three second lead screws are connected with each other through a coupler, two nut blocks are sleeved on the outer side face of each second lead screw in a threaded mode, pulley frames are fixedly connected to one side faces, opposite to the two nut blocks, pulleys are installed in each pulley frame, one end of one second lead screw penetrates through one side wall of the bearing platform and is fixedly connected with a ratchet wheel and a third gear, one end of the other second lead screw, located on the same side, penetrates through one side wall of the bearing platform and is fixedly connected with a fourth gear, and a chain is sleeved between the third gear and the fourth gear.

Preferably, a handle is installed on one end face of the third gear, a fixed block is fixedly connected to one side face, close to the ratchet wheel, of the bearing table, a stop block is hinged to the fixed block, an elastic block is installed on the upper end face of the fixed block, and the elastic block is in contact with the stop block.

Preferably, the upper end face of the supporting plate is fixed with a detection table, and one side face, close to the fixing mechanism, of the detection table is provided with a plurality of detection heads.

Preferably, the rigid coupling has four elastic telescopic rod that are the rectangle and distribute between backup pad and the plummer, and is located the top of three pulley yoke on same line and all installs the third motor, and three third motor is connected with three looks spaced pulley transmission respectively.

Preferably, the screw thread directions of the first screw rod and the second screw rod are opposite.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, place the cable respectively in fixed establishment department earlier, twist grip makes the third gear drive the synchronous rotation of fourth gear, and a plurality of second lead screws rotate in step, and two nut pieces on the second lead screw are close to the motion each other, and two nut pieces way two pulleys of east are close to each other, finally tightly fix the cable, are convenient for detect on next step.

2. The utility model discloses, rotate the carousel, make first lead screw rotate, two movable blocks on the first lead screw are the motion of being close to each other, make the head rod drive briquetting and clamp plate downstream, simultaneously, under the cooperation of belt pulley and belt, first gear drives the synchronous rotation of second gear, and the threaded rod in the screwed pipe shifts up in step, and fixed establishment drives cable rebound, and clamp plate and pressure sensor extrude the cable.

3. The utility model discloses in, the third motor is restarted in the reversal carousel, and the motor drives the pulley and rotates, is equipped with the rubber skid resistant course on the pulley, and the pulley drives the cable and removes, makes during the cable inserts the detection head, gives an output signal of cable, and the other end is through the instrument of special detection cable again, looks over whether the cable damages.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view of the fixing mechanism of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

fig. 4 is a schematic side view of the ratchet of the present invention.

Reference numbers in the figures: 1. a support plate; 2. a support frame; 3. a first lead screw; 4. a turntable; 5. a moving block; 6. a first connecting rod; 7. briquetting; 8. a pressure sensor; 9. pressing a plate; 10. rotating the rod; 11. a belt pulley; 12. a belt; 13. a first gear; 14. a threaded pipe; 15. a second gear; 16. a threaded rod; 17. a bearing table; 18. a fixing mechanism; 181. a chute; 182. a second lead screw; 183. a nut block; 184. a pulley yoke; 185. a pulley; 186. a ratchet wheel; 187. a third gear; 188. a fourth gear; 189. a chain; 1810. a fixed block; 1811. a stopper block; 1812. an elastic block; 19. a detection table; 20. and a detection head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a testing device for coaxial cables comprises a supporting plate 1, two supporting frames 2 are symmetrically installed on the top end surface of the supporting plate 1, the positions of the two supporting frames 2 are parallel to each other, a first lead screw 3 is installed at the upper end of each supporting frame 2, one end of each first lead screw 3 is rotatably connected with one side wall of one supporting frame 2 through a bearing, the other end of each first lead screw passes through one side wall of the other supporting frame 2 and is fixedly connected with a rotating disc 4, two moving blocks 5 are sleeved on the first lead screw 3 in a threaded manner, the bottom ends of the two moving blocks 5 are respectively hinged with a first connecting rod 6 through a rotating shaft, the two first connecting rods 6 are respectively hinged with a same pressing block 7 through a rotating shaft, a pressure sensor 8 is installed on the lower end surface of the pressing plate 9, a pressing plate 9 is fixedly connected to the, all install belt pulley 11 on the lateral wall of dwang 10 and on the lateral wall of first lead screw 3, same belt 12 has been cup jointed between two belt pulleys 11, the other end rigid coupling of dwang 10 has first gear 13, cavity bottom face rotates and is connected with screwed pipe 14, the rigid coupling has second gear 15 on the lateral wall of screwed pipe 14, and first gear 13 meshes with second gear 15 mutually, threaded rod 16 has been cup jointed to the screw thread on the 14 inner walls of screwed pipe, the top terminal surface rigid coupling of threaded rod 16 has plummer 17, and the up end of plummer 17 is equipped with fixed establishment 18.

The fixing mechanism 18 includes two sliding grooves 181 provided on the top end surface of the bearing table 17, and each sliding groove 181 is rotatably connected with three second screw rods 182, the three second screw rods 182 are connected with each other through a coupler, two nut blocks 183 are screwed on the outer side surface of each second screw rod 182, a pulley frame 184 is fixedly connected to one side surface opposite to the two nut blocks 183, a pulley 185 is installed in each pulley frame 184, one end of one of the second screw rods 182 penetrates through one side wall of the bearing table 17 and is fixedly connected with a ratchet wheel 186 and a third gear 187, one end of the other second screw rod 182 located on the same side penetrates through one side wall of the bearing table 17 and is fixedly connected with a fourth gear 188, a chain 189 is sleeved between the third gear 187 and the fourth gear 188, and the fixing mechanism 18 can fix the cable.

One end face of the third gear 187 is provided with a handle, a fixed block 1810 is fixedly connected to one side face of the bearing platform 17 close to the ratchet wheel 186, the fixed block 1810 is hinged to a stop block 1811, an elastic block 1812 is installed on the upper end face of the fixed block 1810, the elastic block 1812 is in contact with the stop block 1811, and the elastic block 1812 is matched with the ratchet wheel 186 to fix the position of the third gear 187.

The upper end face of backup pad 1 is fixed with detects platform 19, and detects a side that platform 19 is close to fixed establishment 18 and install a plurality of heads 20 that detect, and the rigid coupling has four elasticity telescopic links that are the rectangle and distribute between backup pad 1 and the plummer 17, and is located the top of three pulley yoke 184 on the same row and all installs the third motor, and three third motor is connected with three looks spaced pulley 185 transmission respectively, and the third motor can make pulley 185 drive the cable removal.

The screw thread directions of the first lead screw 3 and the second lead screw 182 are opposite, and the two nut blocks 183 and the two moving blocks 5 move close to each other.

The working principle is as follows: when the pressure sensor is used, the model number of the pressure sensor is PT124G-111, the cables are respectively placed at the fixing mechanism 18, the handle is rotated to enable the third gear 187 to drive the fourth gear 188 to synchronously rotate, the plurality of second lead screws 182 synchronously rotate, the two nut blocks 183 on the second lead screws 182 move close to each other, the two nut blocks 183 approach to each other through the two pulleys 185, finally, the cables are tightly fixed, the next detection is convenient, the turntable 4 is rotated to enable the first lead screw 3 to rotate, the two moving blocks 5 on the first lead screw 3 move close to each other, the first connecting rod 6 drives the pressing block 7 and the pressing plate 9 to move downwards, meanwhile, under the matching of the belt pulley 11 and the belt 12, the first gear 13 drives the second gear 15 to synchronously rotate, the threaded rod 16 in the threaded pipe 14 synchronously moves upwards, the fixing mechanism 18 drives the cables to move upwards, the pressing plate 9 and the pressure sensor 8 extrude the cables, when the detection is finished, the rotary table 4 is reversely rotated, the third motor is started again, the motor drives the pulley 185 to rotate, the pulley 185 is provided with a rubber anti-slip layer, the pulley 185 drives the cable to move, the cable is inserted into the detection head 20, an output signal is given to the cable, and the other end of the cable is checked whether the cable is damaged through an instrument special for detecting the cable.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A test device for coaxial cables comprises a support plate (1) and is characterized in that two support frames (2) are symmetrically installed on the top end face of the support plate (1), the positions of the two support frames (2) are parallel to each other, a first lead screw (3) is arranged at the upper end of each of the two support frames (2), one end of each first lead screw (3) is rotatably connected with one side wall of one of the support frames (2) through a bearing, the other end of each first lead screw penetrates through one side wall of the other support frame (2) and is fixedly connected with a rotating disc (4), two moving blocks (5) are sleeved on the first lead screw (3) in a threaded manner, the bottom ends of the two moving blocks (5) are hinged with first connecting rods (6) through rotating shafts, the two first connecting rods (6) are hinged with a same pressing block (7) through rotating shafts, and a pressure sensor (8, the bottom rigid coupling of pressure sensor (8) has clamp plate (9), the cavity has been seted up to the inside of backup pad (1), and rotates in the cavity and be connected with dwang (10), all installs belt pulley (11) on the lateral wall of dwang (10) and on the lateral wall of first lead screw (3), has cup jointed same belt (12) between two belt pulleys (11), and the other end rigid coupling of dwang (10) has first gear (13), and cavity bottom face rotates and is connected with screwed pipe (14), the rigid coupling has second gear (15) on the lateral wall of screwed pipe (14), and first gear (13) and second gear (15) mesh mutually, and threaded rod (16) have been cup jointed to the screw thread on screwed pipe (14) inner wall, the top face rigid coupling of threaded rod (16) has plummer (17), and the up end of plummer (17) is equipped with fixed establishment (18).

2. The test equipment for the coaxial cable according to claim 1, wherein the fixing mechanism (18) comprises two sliding grooves (181) formed on the top end surface of the bearing platform (17), each sliding groove (181) is rotatably connected with three second lead screws (182), the three second lead screws (182) are connected with each other through a coupling, the outer side surface of each second lead screw (182) is in threaded sleeve connection with two nut blocks (183), one side surface of each nut block (183) opposite to each other is fixedly connected with a pulley frame (184), each pulley frame (184) is provided with a pulley (185), one end of one second lead screw (182) penetrates through one side wall of the bearing platform (17) and is fixedly connected with a ratchet wheel (186) and a third gear (187), one end of the other second lead screw (182) positioned on the same side penetrates through one side wall of the bearing platform (17) and is fixedly connected with a fourth gear (188), a chain (189) is sleeved between the third gear (187) and the fourth gear (188).

3. The test equipment for the coaxial cable according to claim 2, wherein a handle is installed on one end face of the third gear (187), a fixed block (1810) is fixedly connected to one side face, close to the ratchet wheel (186), of the bearing platform (17), a stop block (1811) is hinged to the fixed block (1810), an elastic block (1812) is installed on the upper end face of the fixed block (1810), and the elastic block (1812) is in contact with the stop block (1811).

4. The test equipment for coaxial cables according to claim 1, characterized in that the upper end face of the support plate (1) is fixed with a test table (19), and a side face of the test table (19) close to the fixing mechanism (18) is provided with a plurality of test heads (20).

5. The test equipment for the coaxial cable according to claim 1, wherein four elastic telescopic rods are fixedly connected between the support plate (1) and the bearing table (17), the four elastic telescopic rods are distributed in a rectangular shape, a third motor is mounted above the three pulley frames (184) in the same row, and the three third motors are in transmission connection with the three spaced pulleys (185) respectively.

6. A test device for coaxial cables according to claim 1, characterized in that the threads of the first screw (3) and of the second screw (182) are of opposite hand.