CN107947059B - A lifting mechanism for a communication cable support rod - Google Patents

Abstract

The invention discloses a lifting mechanism for a support rod of a communication cable, comprising a support column, a fixing mechanism is installed at the bottom of the support column, a height adjustment mechanism is installed inside the support column, and a fine adjustment mechanism is installed on the upper end of the height adjustment mechanism A driving mechanism is installed on the upper part of the support column, the driving mechanism is connected with the height adjustment mechanism in a transmission connection, and a locking mechanism is installed on the bottom of the driving mechanism. The beneficial effect is that: the driving gear drives the transmission gear to rotate, the transmission gear and the height-adjusting rack engage and drive, so as to drive the height-adjusting rod to rise and fall, and realize the height adjustment of the device, and the threaded connection with the external rod can be realized by driving the connecting rod, so that it can be used on the ground. Adjust the height; the fine-tuning rod can float up and down through the fine-tuning spring, which can be fine-tuned with the change of the slack of the cable to prevent damage to the cable; the locking spring is used to drive the locking pin up through the lifting plate to lock the drive gear, preventing the The height of the device is automatically lowered, and the safety performance is high.

Description

A lifting mechanism for a communication cable support rod

technical field

The invention relates to the technical field of communication auxiliary devices, in particular to a lifting mechanism for a support rod of a communication cable.

Background technique

The communication cable is the main component of the communication facility. In order to ensure the safety of the cable, according to the requirements of the operation regulations of the power communication line, the minimum arc sag of the cable should reach 4.5 meters from the road surface. During maintenance, try to ensure that the cable-to-ground distance is 5 meters. With the development of the city, the road and other settings are developing to the suburban field. Due to the high padding of the foundation, the height of the cable has been lower than the safe height, and the cable is easily scratched and pulled by the higher vehicles, which has a potential safety hazard. Therefore, it is necessary to readjust the cable. Therefore, it is necessary to add a lifting mechanism to the original support rod to facilitate the adjustment of the height of the cable.

The applicant found that there are at least the following technical problems in the prior art: the current lifting mechanism cannot adjust the height at any time on the ground, and the adjustment efficiency is low; There is no fine-tuning mechanism in the high mechanism, which is easy to cause damage to the cable; at the same time, there is no locking mechanism, and the device has the risk of falling, which is a safety hazard.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a lifting mechanism for the support rod of the communication cable in order to solve the above problems, so as to solve the problem that the current lifting mechanism in the prior art cannot perform height adjustment on the ground at any time, and the adjustment efficiency is low; The slack degree of the cable will change with the change of temperature. The current lifting mechanism does not have a fine-tuning mechanism, which is easy to cause damage to the cable. At the same time, there is no locking mechanism, and the device has technical problems such as the risk of falling and potential safety hazards. Among the technical solutions provided by the present invention, the preferred technical solution can adjust the height on the ground, and the adjustment operation is simple and convenient; at the same time, it has a locking mechanism, which can prevent the height of the device from falling, and has high safety performance; it can automatically adjust the height according to the degree of cable slack. Technical effects such as fine-tuning to prevent damage to the cable are described below.

For achieving the above object, the invention provides the following technical solutions:

The present invention provides a lifting mechanism for a communication cable support rod, including a support column, a fixing mechanism is installed at the bottom of the support column, a sliding cavity is arranged inside the support column, and a height adjustment mechanism is installed inside the sliding cavity , a fine adjustment mechanism is installed on the upper end of the height adjustment mechanism; a drive mechanism is installed on the upper part of the support column, the drive mechanism is connected with the height adjustment mechanism, and a locking mechanism is installed at the bottom of the drive mechanism;

The fixing mechanism includes a fixing base plate and a fastening bolt, the fixing base plate is installed on the lower end of the support column, a fixing vertical plate is installed at the bottom of the fixing base plate, and the fastening bolt is installed on the fixing vertical plate, so The fastening bolts pass through the fixed vertical plate, and a fixing block is installed at the ends of the fastening bolts;

The height-adjusting mechanism includes a height-adjusting rod and a height-adjusting rack, the height-adjusting rod is slidably installed inside the sliding cavity, the height-adjusting rack is installed on one side of the height-adjusting rod, and the height-adjusting rod is The upper end is provided with a fine-tuning cavity;

The fine-tuning mechanism includes a fine-tuning rod and a support plate, the fine-tuning rod is fixedly installed inside the fine-tuning cavity through a fine-tuning spring, and the support plate is installed on the upper end of the fine-tuning rod;

The drive mechanism includes an installation base plate and a drive gear, the installation base plate is fixedly installed on the upper part of the support column, a transmission gear and the drive gear are sequentially installed on the installation base plate, and the drive gear is in phase with the transmission gear. The transmission gear is meshed with the height-adjusting rack; a drive handle is installed on the outside of the drive gear, and a drive connecting rod is installed at the end of the drive handle through the universal seat;

The locking mechanism includes a mounting box and a locking pin, the mounting box is fixedly mounted on the mounting base plate, and the mounting box is located under the driving gear; the mounting box is slidably installed inside the mounting box. The unlocking sliding column is provided with an unlocking spring on the outside of the unlocking sliding column; the upper end of the unlocking sliding column is installed with a lifting plate through a locking spring, and the locking pin is installed on the upper end of the lifting plate, and the locking pin passes through The installation box is deep into the bottom of the drive gear, and one side of the locking pin adopts an inclined surface structure.

Using the above-mentioned lifting mechanism for the support rod of the communication cable, when installing the device, the device is placed on the upper end of the original support rod, and the fixing block is driven by the fastening bolt to fix it, so as to meet the requirements of different original support rods. When adjusting the height, it is threaded with the drive connecting rod through a long rod with threads on the ground. Since the drive connecting rod is installed on the end of the drive handle through the universal seat, so By swinging the drive connecting rod, the drive handle can be driven to drive the drive gear to rotate, the drive gear drives the transmission gear to rotate, and the transmission gear engages with the height-adjusting rack for transmission, so that the adjustment The high rack drives the height adjustment rod up and down, so as to realize the height adjustment of the device, the device can adjust the height on the ground, and the adjustment operation is simple and convenient; Thread connection, pull down the unlocking sliding column, overcome the elastic force of the unlocking spring, make the unlocking sliding column drive the lifting plate and the locking pin to descend, realize the unlocking of the device, and after the height adjustment is completed, the The threaded connection between the external long rod and the unlocking sliding column is opened, and under the elastic force of the unlocking spring, the unlocking sliding column drives the lifting plate and the locking pin to return to their original positions. Under the action of the elastic force of the spring, the lifting plate drives the locking pin to rise between the adjacent teeth of the driving gear, thereby realizing the locking of the driving gear, and the device can realize automatic locking to prevent the device from falling. , high safety performance; with the change of ambient temperature, the slack degree of the cable will change, and the elastic force of the fine-tuning spring can make the fine-tuning rod move up and down inside the fine-tuning cavity, so as to adapt to the slack of the cable changes to ensure the supporting effect of the cable, while preventing damage to the cable.

Preferably, a limit plate is installed on the upper end of the support column, and the height adjustment rod passes through the inside of the limit plate.

Preferably, there are two fastening bolts in total, and they are distributed symmetrically.

Preferably, the surface of the fixed block adopts an arc structure.

Preferably, a sliding seat is installed at the bottom of the height-adjusting rod, and the sliding seat is slidably matched with the sliding cavity.

Preferably, the outer diameter of the fine adjustment rod is equal to the inner diameter of the fine adjustment cavity, and clearance fit is adopted.

Preferably, support brackets are evenly distributed at the upper end of the support plate, and the surface of the support bracket adopts a circular arc structure.

Preferably, the end of the drive connecting rod adopts a hollow structure, and the inner surface is provided with a connecting thread.

Preferably, the upper end of the unlocking sliding column adopts a T-shaped structure.

Preferably, the lower end of the unlocking sliding column adopts a hollow structure, and the inner surface is provided with a connecting thread.

The beneficial effects are as follows: 1. The drive gear drives the drive gear to rotate, and the drive gear and the height-adjusting rack engage and drive, so as to drive the height-adjusting rod to rise and fall, and realize the height adjustment of the device. Height adjustment on the ground;

1. The fine-tuning spring can make the fine-tuning rod float up and down, which can be fine-tuned with the change of the slack degree of the cable to prevent the cable from being damaged;

3. The locking spring is used to drive the locking pin to rise through the lifting plate to realize the locking of the driving gear, preventing the height of the device from automatically falling, and has high safety performance.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the present invention;

Fig. 3 is the structural representation of the present invention;

Fig. 4 is the control system block diagram of the present invention;

Fig. 5 is the control system block diagram of the present invention;

FIG. 6 is a block diagram of the control system of the present invention.

The reference numerals are explained as follows:

1. Fixing mechanism; 101. Fixing base plate; 102. Fastening bolts; 103. Fixing vertical plate; 104. Fixing block; 2. Supporting column; 201. Limiting plate; 202. Sliding cavity; 3. Height adjusting mechanism; 301 , height adjustment rod; 302, height adjustment rack; 303, sliding seat; 304, fine adjustment cavity; 4, fine adjustment mechanism; 401, fine adjustment rod; 402, support plate; 403, fine adjustment spring; 5, drive mechanism; 501, installation Base plate; 502, transmission gear; 503, drive gear; 504, drive handle; 505, universal seat; 506, drive connecting rod; 6, locking mechanism; 601, installation box; 602, unlock spring; 603, unlock slide column; 604, locking spring; 605, lifting plate; 606, locking pin; 7, supporting bracket.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-6, the present invention provides a lifting mechanism for a communication cable support rod, including a support column 2, a fixing mechanism 1 is installed at the bottom of the support column 2, and a sliding cavity 202 is provided inside the support column 2, A height-adjusting mechanism 3 is installed inside the sliding cavity 202 , and a fine-tuning mechanism 4 is installed on the upper end of the height-adjusting mechanism 3 ; a driving mechanism 5 is installed on the upper part of the support column 2 , and the driving mechanism 5 is connected with the height-adjusting mechanism 3 by transmission, and a lock is installed at the bottom of the driving mechanism 5 dead body 6;

The fixing mechanism 1 includes a fixing base plate 101 and fastening bolts 102. The fixing base plate 101 is installed at the lower end of the support column 2. A fixing vertical plate 103 is installed at the bottom of the fixing base plate 101. The fixing vertical plate 103 is installed with fastening bolts 102 and 102. Passing through the fixed vertical plate 103, a fixed block 104 is installed at the end of the fastening bolt 102;

The height-adjusting mechanism 3 includes a height-adjusting rod 301 and a height-adjusting rack 302 . The height-adjusting rod 301 is slidably installed inside the sliding cavity 202 , a height-adjusting rack 302 is installed on one side of the height-adjusting rod 301 , and a fine adjustment is arranged on the upper end of the height-adjusting rod 301 . cavity 304;

The fine-tuning mechanism 4 includes a fine-tuning rod 401 and a support plate 402. The fine-tuning rod 401 is fixedly installed inside the fine-tuning cavity 304 through a fine-tuning spring 403, and a support plate 402 is installed on the upper end of the fine-tuning rod 401;

The drive mechanism 5 includes an installation base plate 501 and a drive gear 503. The installation base plate 501 is fixedly installed on the upper part of the support column 2. The installation base plate 501 is sequentially installed with a transmission gear 502 and a drive gear 503. The drive gear 503 meshes with the transmission gear 502, and the transmission gear 502 meshes with the height-adjusting rack 302; a drive handle 504 is installed on the outside of the drive gear 503, and a drive connecting rod 506 is installed at the end of the drive handle 504 through the universal seat 505;

The locking mechanism 6 includes a mounting box 601 and a locking pin 606. The mounting box 601 is fixedly mounted on the mounting base plate 501, and the mounting box 601 is located under the driving gear 503; the mounting box 601 is slidably installed with an unlocking sliding column 603 inside. , an unlocking spring 602 is arranged on the outer side of the unlocking sliding column 603; the upper end of the unlocking sliding column 603 is installed with a lifting plate 605 through a locking spring 604, and a locking pin 606 is installed on the upper end of the lifting plate 605, and the locking pin 606 passes through the installation box 601, And deep into the bottom of the driving gear 503, the side of the locking pin 606 adopts a slope structure.

As an optional embodiment, a limiting plate 201 is installed on the upper end of the support column 2 , and the height-adjusting rod 301 passes through the interior of the limiting plate 201 , which can limit the height-adjusting rod 301 and prevent the height-adjusting rod 301 from separating from the sliding cavity 202 ;

There are two fastening bolts 102, and they are distributed symmetrically, so that the installation stability of the device and the original support rod can be ensured;

The surface of the fixing block 104 adopts an arc structure, which can ensure the sufficient contact between the fixing block 104 and the original support rod, and ensure the installation stability of the device;

A sliding seat 303 is installed at the bottom of the height-adjusting rod 301, and the sliding seat 303 is slidably matched with the sliding cavity 202, so that the setting can play a guiding role for the height-adjusting rod 301, and it is convenient for the height-adjusting rod 301 to rise and fall inside the sliding cavity 202;

The outer diameter of the fine-tuning rod 401 is equal to the inner diameter of the fine-tuning cavity 304, and a clearance fit is adopted, which facilitates the lifting and lowering of the fine-tuning rod 401 in the fine-tuning cavity 304, and assists in fine-tuning the height of the device;

The upper end of the support plate 402 is evenly distributed with support brackets 7, and the surface of the support bracket 7 adopts an arc structure, and the support effect of the device on the cable can be improved by the support bracket 7;

The end of the driving connecting rod 506 adopts a hollow structure, and the inner surface is provided with a connecting thread, which is convenient to realize the threaded connection between the driving connecting rod 506 and the external long rod, and is to assist in realizing the ground adjustment of the height of the device;

The upper end of the unlocking sliding column 603 adopts a T-shaped structure, which can limit the position of the unlocking sliding column 603;

The lower end of the unlocking sliding column 603 adopts a hollow structure, and the inner surface is provided with a connecting thread, which is convenient to realize the threaded connection of the unlocking sliding column 603 and the external long rod, so that the device can be unlocked on the ground, which is convenient for subsequent height adjustment.

With the above structure, when the device is installed, the device is placed on the upper end of the original support rod, and the fixing block 104 is driven by the tightening bolt 102 for fixing, so as to meet the safety and rotation of different original support rods; when adjusting the height, pass the ground through the ground. The threaded long rod is threadedly connected to the driving connecting rod 506. Since the driving connecting rod 506 is installed on the end of the driving handle 504 through the universal seat 505, the driving handle 504 can be driven to rotate the driving gear 503 by swinging the driving connecting rod 506 , the driving gear 503 drives the transmission gear 502 to rotate, and the transmission gear 502 meshes with the height-adjusting rack 302 for transmission, so that the height-adjusting rack 302 drives the height-adjusting rod 301 to rise and fall, thereby realizing the height adjustment of the device, and the device can perform height adjustment on the ground , the adjustment operation is simple and convenient; before the height adjustment is performed, the unlocking sliding column 603 is threadedly connected to the unlocking sliding column 603 through a long rod with a thread, and the unlocking sliding column 603 is pulled downward to overcome the elastic force of the unlocking spring 602, so that the unlocking sliding column 603 drives the lifting plate 605 and the locking pin 606 descend to unlock the device. After the height adjustment is completed, disconnect the threaded connection between the external long rod and the unlocking sliding column 603. Under the elastic force of the unlocking spring 602, the unlocking sliding column 603 drives the lifting plate 605. And the locking pin 606 returns to its original position, and under the elastic force of the locking spring 604, the lifting plate 605 drives the locking pin 606 to rise between the adjacent teeth of the driving gear 503, thereby realizing the locking of the driving gear 503. It can realize automatic locking, prevent the device from falling, and has high safety performance; with the change of the surrounding temperature, the slack degree of the cable will change, and the elastic force of the fine-tuning spring 403 can be used to make the fine-tuning rod 401 lift and slide inside the fine-tuning cavity 304, Therefore, it can adapt to the change of the slack of the cable, ensure the supporting effect of the cable, and prevent damage to the cable at the same time.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. The utility model provides a rising mechanism of communication cable bracing piece, includes support column (2), its characterized in that: the bottom of the supporting column (2) is provided with a fixing mechanism (1), a sliding cavity (202) is arranged in the supporting column (2), a height adjusting mechanism (3) is arranged in the sliding cavity (202), and the upper end of the height adjusting mechanism (3) is provided with a fine adjusting mechanism (4); a driving mechanism (5) is installed on the upper portion of the supporting column (2), the driving mechanism (5) is in transmission connection with the height adjusting mechanism (3), and a locking mechanism (6) is installed at the bottom of the driving mechanism (5);

the fixing mechanism (1) comprises a fixing base plate (101) and a fastening bolt (102), the fixing base plate (101) is installed at the lower end of the supporting column (2), a fixing vertical plate (103) is installed at the bottom of the fixing base plate (101), the fastening bolt (102) is installed on the fixing vertical plate (103), the fastening bolt (102) penetrates through the fixing vertical plate (103), and a fixing block (104) is installed at the end part of the fastening bolt (102);

the height adjusting mechanism (3) comprises a height adjusting rod (301) and a height adjusting rack (302), the height adjusting rod (301) is slidably mounted inside the sliding cavity (202), the height adjusting rack (302) is mounted on one side of the height adjusting rod (301), and a fine adjusting cavity (304) is arranged at the upper end of the height adjusting rod (301);

the fine adjustment mechanism (4) comprises a fine adjustment rod (401) and a support plate (402), the fine adjustment rod (401) is fixedly installed inside the fine adjustment cavity (304) through a fine adjustment spring (403), and the support plate (402) is installed at the upper end of the fine adjustment rod (401);

the driving mechanism (5) comprises a mounting substrate (501) and a driving gear (503), the mounting substrate (501) is fixedly mounted on the upper portion of the supporting column (2), a transmission gear (502) and the driving gear (503) are sequentially mounted on the mounting substrate (501), the driving gear (503) is meshed with the transmission gear (502), and the transmission gear (502) is meshed with the height-adjusting rack (302); a driving handle (504) is installed on the outer side of the driving gear (503), and a driving connecting rod (506) is installed at the end part of the driving handle (504) through a universal seat (505);

the locking mechanism (6) comprises an installation box body (601) and a locking pin (606), the installation box body (601) is fixedly installed on the installation base plate (501), and the installation box body (601) is located below the driving gear (503); an unlocking sliding column (603) is slidably mounted in the mounting box body (601), and an unlocking spring (602) is arranged on the outer side of the unlocking sliding column (603); the upper end of the unlocking sliding column (603) is provided with a lifting plate (605) through a locking spring (604), the upper end of the lifting plate (605) is provided with a locking pin (606), the locking pin (606) penetrates out of the mounting box body (601) and extends into the bottom of the driving gear (503), and one side of the locking pin (606) adopts an inclined plane structure.

2. The raising mechanism of a telecommunication cable support pole of claim 1, wherein: limiting plate (201) is installed to support column (2) upper end, heightening pole (301) are followed limiting plate (201) is inside to be passed.

3. The raising mechanism of a telecommunication cable support pole of claim 1, wherein: the number of the fastening bolts (102) is two, and the fastening bolts are symmetrically distributed.

4. The raising mechanism of a telecommunication cable support pole of claim 1, wherein: the surface of the fixed block (104) adopts an arc structure.

5. The raising mechanism of a telecommunication cable support pole of claim 1, wherein: the bottom of the height-adjusting rod (301) is provided with a sliding seat (303), and the sliding seat (303) is in sliding fit with the sliding cavity (202).

6. The raising mechanism of a telecommunication cable support pole of claim 1, wherein: the outer diameter of the fine adjustment rod (401) is equal to the inner diameter of the fine adjustment cavity (304), and clearance fit is adopted.

7. The raising mechanism of a telecommunication cable support pole of claim 1, wherein: the supporting plate is characterized in that supporting supports (7) are uniformly distributed at the upper end of the supporting plate (402), and the surfaces of the supporting supports (7) adopt arc structures.

8. The raising mechanism of a telecommunication cable support pole of claim 1, wherein: the end part of the driving connecting rod (506) is of a hollow structure, and the inner surface of the driving connecting rod is provided with connecting threads.

9. The raising mechanism of a telecommunication cable support pole of claim 1, wherein: the upper end of the unlocking sliding column (603) is of a T-shaped structure.

10. The raising mechanism of a telecommunication cable support pole of claim 1, wherein: the lower end part of the unlocking sliding column (603) is of a hollow structure, and the inner surface of the unlocking sliding column is provided with connecting threads.

Images