CN215733215U

CN215733215U - Cable tightness adjusting device for electric power engineering installation

Info

Publication number: CN215733215U
Application number: CN202121956391.6U
Authority: CN
Inventors: 张志昆; 阎丽萍; 朱素英; 王芳; 李新水; 杨立新
Original assignee: Henan Zhengda Engineering Management Service Co ltd
Current assignee: Henan Zhengda Engineering Management Service Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-01
Anticipated expiration: 2031-08-19

Abstract

The utility model relates to a cable tightness adjusting device for electric power engineering installation.A shell is symmetrically provided with two transmission shafts at left and right sides, and the transmission shafts horizontally penetrate through the shell; a driving bevel gear is arranged in the shell and sleeved on the transmission shaft, two driven bevel gears are symmetrically arranged above and below the driving bevel gear, the driven bevel gears are arranged in the shell, and the driven bevel gears are meshed with the driving bevel gear; a push rod is further arranged on the driven bevel gear in a penetrating mode, the axis of the push rod is overlapped with that of the driven bevel gear, threads are arranged on the side wall of the push rod, the push rod is in meshing fit with the driven bevel gear through the threads, a key groove is further formed in the side wall of the push rod, the push rod is matched with the driven bevel gear through the key groove, and a top plate is arranged at one end, close to the center of the shell, of the push rod; this application drives a plurality of roofs of driven bevel gear drive through initiative bevel gear and removes to well, and the cable homoenergetic to different specifications is firm to be pressed from both sides tightly and is made the cable atress even all the time to the security of improvement to the cable centre gripping.

Description

Cable tightness adjusting device for electric power engineering installation

Technical Field

The utility model relates to a cable fixing technology, in particular to a cable tightness adjusting device for electric power engineering installation.

Background

A cable is a conductor made of one or more conductors insulated from each other and an outer insulating protective layer, and is a very important resource for transmitting power or information from one place to another.

The cable is required to be clamped in actual use, but the tightness of the cable is required to be adjusted in clamping, the tightness of the cable cannot be adjusted by a common clamping device, the cable is clamped by the common clamping device through a bolt and a clamping ring, a good clamping effect can be achieved only for the cable of one specification, and the cable cannot be clamped or clamping force is not uniform when the cable is faced with cables of different specifications; moreover, the clamping mode of the device is generally that the lead screw is screwed tightly, and the lead screw is easy to rotate when the device is influenced by the outside, so that the cable is loosened, and safety accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cable tightness adjusting device for electric power engineering installation, which is used for solving the problem that cables of multiple specifications cannot be reliably clamped in the prior art.

In order to solve the problems, the utility model provides a cable tightness adjusting device for electric power engineering installation, wherein two transmission shafts are symmetrically arranged on a shell of the cable tightness adjusting device for electric power engineering installation from left to right, and the transmission shafts horizontally penetrate through the shell; a drive bevel gear is arranged in the shell and sleeved on the transmission shaft, two driven bevel gears are symmetrically arranged above and below the drive bevel gear, the driven bevel gears are arranged in the shell and meshed with the drive bevel gear, and an included angle between the axis of each driven bevel gear and the axis of the drive bevel gear is forty-sixty degrees; a push rod is further arranged on the driven bevel gear in a penetrating mode, the axis of the push rod is overlapped with that of the driven bevel gear, threads are arranged on the side wall of the push rod, the push rod is meshed and matched with the driven bevel gear through the threads, the push rod is further arranged on the shell in a penetrating mode, a key groove is further formed in the side wall of the push rod, and the push rod is matched with the shell through the key groove; and a top plate is arranged at one end of the ejector rod close to the center of the shell.

The utility model provides a cable tightness adjusting device for electric power engineering installation, which is also characterized in that:

further, still be equipped with the cooperation chamber on the casing outer wall, wear to be equipped with the rotation handle in the cooperation chamber, it establishes to rotate the handle cover on the transmission shaft, the circumference equipartition has the spline on the transmission shaft, the transmission shaft pass through the spline with rotate the handle and be connected.

Further, it is equipped with the annular disc to rotate the cover on the handle, the annular disc is kept away from the terminal surface of casing for the axis equipartition of annular disc is equipped with first one-way terminal surface tooth, be equipped with in the cavity in cooperation chamber with the one-way terminal surface tooth of second that first one-way terminal surface tooth corresponds, rotate the handle with be equipped with the spring between the casing under the spring force effect first one-way terminal surface tooth with the one-way terminal surface tooth meshing cooperation of second.

Further, the top plate is an arc-shaped plate.

Furthermore, a rubber pad is paved on the end face of the top plate close to the center of the shell.

Further, the casing includes left shell, right shell, left shell with right shell butt joint installation just passes through connecting screw fixed connection.

The utility model has the following beneficial effects: thereby drive the rotation of initiative bevel gear through rotating the transmission shaft and drive driven bevel gear and rotate, driven bevel gear rotates and drives the ejector pin through the screw and remove in the keyway direction to the casing, thereby make roof centre gripping top tight cable, firm the clamp tightly just make the cable atress even all the time to the cable homoenergetic of different specifications, thereby improve the security to the cable centre gripping, reduce the occurence of failure.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a connection diagram of the top bar 2 and the top plate 61 in the embodiment of the present invention.

11. A left shell; 12. a right shell; 13. a connecting screw; 14. a mating cavity; 15. a second one-way end face tooth; 2. a top rod; 21. a thread; 22. a keyway; 3. a driven bevel gear; 4. a drive bevel gear; 41. a drive shaft; 42. a spline; 5. rotating the handle; 51. an annular disc; 52. a first one-way face tooth; 61. a top plate; 62. a rubber pad; 7. a spring.

Detailed Description

The utility model will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the embodiment of the cable tightness adjusting device for electrical engineering installation shown in fig. 1 to 3, two transmission shafts 41 are symmetrically arranged on the left and right of the housing of the cable tightness adjusting device for electrical engineering installation, and the transmission shafts 41 horizontally penetrate through the housing; a driving bevel gear 4 is arranged in the shell, the driving bevel gear 4 is sleeved on the transmission shaft 41, two driven bevel gears 3 are symmetrically arranged above and below the driving bevel gear 4, the driven bevel gears 3 are installed in the shell, the driven bevel gears 3 are meshed with the driving bevel gear 4, and an included angle between the axis of each driven bevel gear 3 and the axis of the driving bevel gear 4 is forty-sixty degrees; a push rod 2 is further arranged on the driven bevel gear 3 in a penetrating mode, the axis of the push rod 2 is overlapped with the axis of the driven bevel gear 3, threads 21 are arranged on the side wall of the push rod 2, the push rod 2 is meshed and matched with the driven bevel gear 3 through the threads 21, the push rod 2 is further arranged on the shell in a penetrating mode, a key groove 22 is further formed in the side wall of the push rod 2, and the push rod 2 is matched with the shell through the key groove 22; a top plate 61 is arranged at one end of the ejector rod 2 close to the center of the shell; when the cable needs to be clamped, the cable firstly penetrates through the shell, the transmission shaft 41 is rotated, the transmission shaft 41 drives the driving bevel gear 4 to rotate so as to drive the driven bevel gear 3 to rotate, the driven bevel gear 3 rotates to drive the ejector rod 2 to move towards the shell along the direction of the key groove 22 through the threads 21, and the top plate 61 is enabled to clamp and tightly push the cable; this application drives a plurality of roofs 61 of driven bevel gear 3 drive through initiative bevel gear 4 and removes to well, and the cable homoenergetic to different specifications is firm to be pressed from both sides tightly and is made the cable atress even all the time to the improvement is to the security of cable centre gripping.

In an embodiment of the present application, preferably, still be equipped with cooperation chamber 14 on the casing outer wall, wear to be equipped with in the cooperation chamber 14 and rotate handle 5, it establishes to rotate handle 5 cover on the transmission shaft 41, the circumference equipartition has spline 42 on the transmission shaft 41, transmission shaft 41 passes through spline 42 with rotate handle 5 and connect, the convenience of elasticity cable operation can be conveniently made things convenient for to activity handle 5.

In one embodiment of the present application, preferably, the rotating handle 5 is sleeved with an annular disc 51, the end surface of the annular disc 51 far away from the housing is uniformly provided with first one-way end surface teeth 52 relative to the axis of the annular disc 51, the cavity of the matching cavity 14 is provided with second one-way end surface teeth 15 corresponding to the first one-way end surface teeth 52, a spring 7 is arranged between the rotating handle 5 and the housing, the first one-way end surface teeth 52 are meshed and matched with the second one-way end surface teeth 15 under the elastic force of the spring 7, when the tightness of the cable needs to be adjusted, the rotating handle 5 is pressed first, the rotating handle 5 compresses the spring 7, and the first one-way end surface teeth 52 are disengaged from the second one-way end surface teeth 15, and the rotating handle 5 can be adjusted by screwing; after the adjustment is completed, the rotating handle 5 is loosened, the rotating handle 5 rebounds under the action of the spring 7 to enable the first one-way end face teeth 52 to be meshed with the second one-way end face teeth 15 again, the rotating handle 5 cannot rotate at the moment, the problem that cables are loosened due to the influence of external factors can be effectively avoided, and the safety is improved.

In an embodiment of the present application, preferably, the top plate 61 is an arc-shaped plate, which can effectively increase a contact area when the cable is clamped, and improve reliability.

In one embodiment of the present application, a rubber pad 62 is preferably laid on an end surface of the top plate 61 close to the center of the housing, so as to improve the static friction with the cable and avoid damaging the cable.

In an embodiment of the present application, preferably, the housing includes a left shell 11 and a right shell 12, the left shell 11 and the right shell 12 are butt-jointed and fixedly connected through a connection screw 13, and the split design facilitates the detachment and maintenance of the device.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A cable tightness adjusting device for electric power engineering installation is characterized in that two transmission shafts are symmetrically arranged on a shell left and right, and the transmission shafts horizontally penetrate through the shell; a drive bevel gear is arranged in the shell and sleeved on the transmission shaft, two driven bevel gears are symmetrically arranged above and below the drive bevel gear, the driven bevel gears are arranged in the shell and meshed with the drive bevel gear, and an included angle between the axis of each driven bevel gear and the axis of the drive bevel gear is forty-sixty degrees; a push rod is further arranged on the driven bevel gear in a penetrating mode, the axis of the push rod is overlapped with that of the driven bevel gear, threads are arranged on the side wall of the push rod, the push rod is meshed and matched with the driven bevel gear through the threads, the push rod is further arranged on the shell in a penetrating mode, a key groove is further formed in the side wall of the push rod, and the push rod is matched with the shell through the key groove; and a top plate is arranged at one end of the ejector rod close to the center of the shell.

2. The cable tightness adjusting device for electric power engineering installation according to claim 1, wherein: still be equipped with the cooperation chamber on the casing outer wall, wear to be equipped with the rotation handle in the cooperation chamber, it establishes to rotate the handle cover on the transmission shaft, the circumference equipartition has the spline on the transmission shaft, the transmission shaft passes through the spline with rotate the handle and be connected.

3. The cable tightness adjusting device for electric power engineering installation according to claim 2, wherein: rotate and overlap on the handle and be equipped with annular disc, annular disc keeps away from the terminal surface of casing for annular disc's axis equipartition is equipped with first one-way terminal surface tooth, be equipped with in the cavity in cooperation chamber with the one-way terminal surface tooth of second that first one-way terminal surface tooth corresponds, rotate the handle with be equipped with the spring between the casing under the spring force effect first one-way terminal surface tooth with the meshing cooperation of the one-way terminal surface tooth of second.

4. The cable tightness adjusting device for electric power engineering installation according to claim 1, wherein: the top plate is an arc-shaped plate.

5. The cable tightness adjusting device for electric power engineering installation according to claim 1, wherein: and a rubber pad is paved on the end face of the top plate close to the center of the shell.

6. The cable tightness adjusting device for electric power engineering installation according to claim 1, wherein: the casing includes left shell, right side shell, left side shell with right side shell butt joint installation just passes through connecting screw fixed connection.