Anti-loose locking structure of power transmission line monitoring and shooting device

Abstract

The utility model provides an anti-loose locking structure of a power transmission line monitoring and shooting device. The anti-loose locking structure comprises a camera shell, a connecting cylinder, a screw and a jackscrew, a groove is formed in the top of the camera shell, a small-diameter threaded hole is formed in one side wall of the groove in a penetrating mode, and a large-diameter threaded hole is formed in the other side wall of the groove in a penetrating mode. A through hole is formed in the bottom of the connecting cylinder in a penetrating mode, the bottom of the connecting cylinder extends into the groove, the screw extends into the large-diameter threaded hole, the through hole and the small-diameter threaded hole, and fastening connection among the screw, the connecting cylinder and the camera shell is achieved. The jackscrew is arranged in the large-diameter end of the variable-diameter threaded hole in a threaded connection mode, the plane end of the jackscrew abuts against the head of the screw, a secondary locking structure is formed, and the long-acting locking strength of the whole power transmission line monitoring and shooting device is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to power transmission line monitoring and shooting device technical field, concretely relates to a kind of power transmission line monitoring and shooting device's anti-loose locking structure. BACKGROUND

[0002] Power transmission line monitoring and shooting device is a kind of device for monitoring the state of power transmission line, mainly for real-time monitoring the operating state of power transmission line, detects and records line fault, environmental change and potential destructive behavior, while collecting temperature, humidity and other key data, is transmitted to monitoring center by communication module remote, stores data for analysis, provides comprehensive guarantee for line maintenance and power system stable operation.

[0003] Power transmission line monitoring and shooting device is usually installed in the tower, wire, insulator and other parts of power transmission line, is restricted by high-altitude operation, complex terrain, power safety risk and multiple factors, after completing installation test, power transmission line monitoring and shooting device will be put into long-term operation state, therefore, ensure its fastening installation is one of the key links to guarantee its stable operation.

[0004] The fastening structure of existing power transmission line monitoring and shooting device usually adopts screw or bolt directly fixed connection mode, however, in actual long-term operation environment, these fastening structures are susceptible to environmental factors, such as ice and snow rain impact, to cause loosening failure. Existing scheme is difficult to effectively respond to the above situation, difficult to ensure the long-term stability and reliability of fastening structure, and then possibly cause fastening performance to decline, affect the safe operation of device. UTILITY MODEL CONTENTS

[0005] To solve the problems presented in the above background art, the utility model provides a kind of power transmission line monitoring and shooting device's anti-loose locking structure, utilizes screw to fasten and connect connecting cylinder and camera shell, then realizes the fastening limit of the fastening structure consisting of screw, connecting cylinder and camera shell by additionally adding top screw, forms two-stage locking structure, strengthens the locking strength of power transmission line monitoring and shooting device as a whole.

[0006] The utility model is realized through the following technical solutions:

[0007] A kind of power transmission line monitoring and shooting device's anti-loose locking structure, it is characterized by comprising:

[0008] The camera housing, the connecting cylinder, the screw and the jackscrew; the top of the camera housing is provided with a recess, a small-diameter threaded hole is formed through one side wall of the recess, and a large-diameter threaded hole is formed through the other side wall of the recess; an outer boss is arranged on one side of the bottom of the connecting cylinder, and a through hole is formed through the bottom of the connecting cylinder; the bottom of the connecting cylinder extends into the recess, and the through hole, the small-diameter threaded hole and the large-diameter threaded hole are arranged along the same central axis; the screw extends into the large-diameter threaded hole, the through hole and the small-diameter threaded hole, and the screw is screwed with the small-diameter threaded hole, and the head of the screw abuts against the outer boss of the bottom of the connecting cylinder; the jackscrew is provided with an outer thread on the circumferential surface, and one end of the jackscrew is a flat end; the jackscrew is arranged in the large-diameter end of the variable-diameter threaded hole through the thread, and the flat end of the jackscrew abuts against the head of the screw.

[0009] Preferably, the other end of the jackscrew opposite to the flat end is provided with an internal hexagonal recess, so as to facilitate fastening and installation of the jackscrew.

[0010] Preferably, the jackscrew is made of corrosion-resistant stainless steel material, so as to avoid rain erosion.

[0011] Preferably, the connecting cylinder adopts a hollow structure, the top and the bottom of the connecting cylinder are communicated with the outside, and the through hole formed through the bottom of the connecting cylinder is composed of two through holes arranged along the same central axis.

[0012] Preferably, the connecting cylinder is made of aluminum material by pressure casting and is subjected to surface plastic spraying treatment, so as to avoid rain erosion.

[0013] Preferably, the cross section of the outer boss is greater than or equal to the cross section of the head of the screw, so that the head of the screw can be completely crimped on the outer boss, and stable connection among the screw, the connecting cylinder and the camera housing is realized.

[0014] The utility model discloses the beneficial effect is:

[0015] The screw is used for fastening and connecting the connecting cylinder and the camera housing, the jackscrew is arranged in the large-diameter end of the variable-diameter threaded hole through the thread, and the flat end of the jackscrew abuts against the head of the screw, so that fastening and limiting of the fastening structure composed of the screw, the connecting cylinder and the camera housing are realized, a two-stage locking structure is formed, the locking strength of the whole power transmission line monitoring and shooting device is strengthened, the screw can not be loosened in a long-term non-maintenance state, and long-acting anti-loosening locking of the power transmission line monitoring and shooting device is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 The front view of the power transmission line monitoring device and the anti-loose locking structure thereof according to the embodiments of the present application;

[0018] Figure 2 The side view of the power transmission line monitoring device and the anti-loose locking structure thereof according to the embodiments of the present application;

[0019] Figure 3 The cross-sectional view along Figure 2 the line A-A;

[0020] Figure 4 The enlarged view of the position B in Figure 3 ;

[0021] Figure 5 The oblique view of the jackscrew according to the embodiments of the present application.

[0022] Explanation of reference signs

[0023] 10-camera housing; 11-groove; 13-small-diameter threaded hole; 14-large-diameter threaded hole; 15-camera body; 20-connection cylinder; 21-outer boss; 22-first positioning tooth; 23-through hole; 23a-first through hole; 23b-second through hole; 30-screw; 40-jackscrew; 41-internal hexagonal groove; 42-flat end; 52-second positioning tooth; 60-solar support. DETAILED DESCRIPTION

[0024] The present application will be further described in detail below in combination with the drawings and embodiments.

[0025] As Figures 1-4 shown, the embodiments of the present disclosure provide an anti-loose locking structure of a power transmission line monitoring device, comprising: a camera housing 10, a connection cylinder 20, a screw 30 and a jackscrew 40; the camera housing 10 is provided with a camera body 15, and the top of the camera housing 10 is provided with a groove 11 having two oppositely arranged side walls, wherein one side wall of the groove 11 is provided with a small-diameter threaded hole 13, and the other side wall of the groove 11 is provided with a large-diameter threaded hole 14, the small-diameter threaded hole 13 and the large-diameter threaded hole 14 are arranged along the same center axis, the hole diameter of the small-diameter threaded hole 13 matches the thread diameter of the screw 30, and the hole diameter of the large-diameter threaded hole 14 is larger than the outer diameter of the head of the screw 30.

[0026] The connecting cylinder 20 adopts a hollow structure, the top and bottom of the connecting cylinder 20 are communicated with the outside, the connecting cylinder 20 is made of aluminum material by pressure casting and is treated by surface spraying to avoid rain erosion. The power transmission line monitoring device also has a solar support 60, the top of the connecting cylinder 20 is fastened and connected with the solar support 60 through screws, one side of the bottom of the connecting cylinder 20 is provided with an outer boss 21, the end side of the outer boss 21 is a plane; the other side of the bottom of the connecting cylinder 20 is provided with a first positioning tooth 22, the inner side of the side wall of the recess 11 with a small diameter threaded hole 13 is provided with a second positioning tooth 52, the first positioning tooth 22 of the bottom of the connecting cylinder 20 and the second positioning tooth 52 of the recess 11 can be mutually abutted and fitted, for realizing the limiting and fixing between the connecting cylinder 20 and the camera shell 10, so that the included angle between the connecting cylinder 20 and the horizontal plane is always kept as the included angle during installation; the bottom of the connecting cylinder 20 is provided with a through hole 23, the through hole 23 provided at the bottom of the connecting cylinder 20 is composed of two through holes provided along the same central axis, the two through holes provided along the same central axis can be respectively recorded as a first through hole 23a and a second through hole 23b.

[0027] As shown in Figure 5 the top screw 40 is in a cylindrical shape, the top screw 40 is made of corrosion-resistant stainless steel material to avoid rain erosion. The circumferential surface of the top screw 40 has external threads, the external threads of the top screw 40 are matched with the internal threads of the large diameter threaded hole 14, one end side of the top screw 40 is a plane, which can be recorded as a plane end 42, the other end side of the top screw 40 opposite to the plane end 42 is provided with an internal hexagonal recess 41, the internal hexagonal recess 41 is used for fixed installation of the top screw 40.

[0028] The process of fastening and installing the anti-loose locking structure of the power transmission line monitoring device of the embodiment is as follows: first, rotate the connecting cylinder 20 to adjust the included angle between the connecting cylinder 20 and the horizontal plane to the angle required for installation of the power transmission line monitoring device; then, extend the bottom of the connecting cylinder 20 into the recess 11, so that the through hole 23, the small diameter threaded hole 13 and the large diameter threaded hole 14 are arranged along the same central axis, horizontally move the connecting cylinder 20, so that the first positioning tooth 22 of the bottom of the connecting cylinder 20 and the second positioning tooth 52 of the recess 11 are mutually abutted and fitted; extend the shank part of the screw 30 from the large diameter threaded hole 14 into the through hole 23 and directly to the small diameter threaded hole 13, then rotate the screw 30 to make the screw 30 threadedly connected with the small diameter threaded hole 13, and the head of the screw 30 abuts against the outer boss 21 of the bottom of the connecting cylinder 20, the cross section of the outer boss 21 is greater than or equal to the cross section of the head of the screw 30, so that the head of the screw 30 can be completely pressed on the outer boss 21, to realize the fastening connection among the screw 30, the connecting cylinder 20 and the camera shell 10. In other words, the cross section of the outer boss 21 can completely cover the cross section of the head of the screw 30, so that the contact area between the outer boss 21 and the head of the screw 30 is maximized, and the fastening connection is more stable.

[0029] After the fastening of the screw 30 is completed, the inner hexagonal groove 41 of the jackscrew 40 can be inserted by the installation tool, and the jackscrew 40 is rotated, the outer thread of the jackscrew 40 is matched with the inner thread of the large-diameter threaded hole 14, the jackscrew 40 is arranged in the large-diameter end of the variable-diameter threaded hole through the threaded connection, and the flat end 42 of the jackscrew 40 is tightly abutted with the head of the screw 30. At this time, the anti-loose locking structure is completed, the fastening and limiting of the fastening structure composed of the screw 30, the connecting barrel 20 and the camera housing 10 are realized by adding the jackscrew 40, a two-stage locking structure is formed, and the long-term locking strength of the whole power transmission line monitoring and shooting device is strengthened.

[0030] In the actual long-term operation of the power transmission line monitoring and shooting device, even if the impact of ice, snow and rain occurs, the impact force can be conducted to the jackscrew 40 through the screw 30, the impact force is eliminated through the secondary limiting of the jackscrew 40, the screw 30 is prevented from loosening due to back-off, and the long-term anti-loose locking of the power transmission line monitoring and shooting device is realized.

[0031] The above-described embodiments are only used to describe the preferred embodiments of the utility model, and do not limit the scope of the utility information, and various deformations and improvements of the technical scheme of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope of the utility model.

Claims

1. A locking structure for preventing loosening in a power transmission line monitoring device, characterized in that, The utility model relates to a camera shell, connecting cylinder, screw and jackscrew, the top of camera shell is equipped with recess, one side wall of recess is equipped with small pitch thread hole, the other side wall of recess is equipped with big pitch thread hole, one side of connecting cylinder bottom is equipped with outer boss, the bottom of connecting cylinder is equipped with through hole, the bottom of connecting cylinder enters into recess, and through hole, small pitch thread hole and big pitch thread hole are arranged along the same center axis, the screw enters into big pitch thread hole, through hole and small pitch thread hole, and the screw is connected with small pitch thread hole, and the head of screw and the outer boss of connecting cylinder bottom abut, the lateral surface of jackscrew is equipped with outer thread, and one end side of jackscrew is plane end, and jackscrew is arranged in the big diameter end of variable diameter thread hole through thread connection, and the plane end of jackscrew and the head of screw abut each other. The other end side of the jackscrew opposite to the plane end is provided with an internal hexagonal recess.

2. The anti-loosening locking structure of a power transmission line monitoring device according to claim 1, characterized in that, The jackscrew is made of corrosion-resistant stainless steel material.

3. The anti-loosening locking structure of a power transmission line monitoring device according to claim 1 or 2, characterized in that, The connecting cylinder adopts a hollow structure, the top and bottom of the connecting cylinder are in communication with the outside, and the through hole arranged through the bottom of the connecting cylinder is composed of two through holes arranged along the same center axis on both sides.

4. The anti-loosening locking structure of a power transmission line monitoring device according to claim 1, characterized in that, The connecting cylinder is made of aluminum material by pressure casting and is subjected to surface plastic spraying treatment.

5. The anti-loosening locking structure of a power transmission line monitoring device according to claim 1 or 4, characterized in that, The cross section of the outer boss is greater than or equal to the cross section of the head of the screw.

6. The anti-loosening locking structure of a power transmission line monitoring device according to claim 1, characterized in that, ​

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