CN105201400B - Fixing device - Google Patents

Abstract

The invention provides a fixing device. The fixing device is used for fixing a horizontal ladder to a cross arm of a tower, the fixing device comprises a clamping assembly which is matched with the cross arm and a first positioning part, and the first positioning part is connected with the clamping assembly to fix the clamping assembly on the horizontal ladder. According to the technical scheme, the problem that in the prior art, when operation is conducted through a horizontal ladder method, the work efficiency is low due to the fact that the horizontal ladder is fixed through ropes can be solved.

Description

Fixtures

technical field

The invention relates to the field of maintenance equipment for power transmission lines, in particular to a fixing device.

Background technique

When replacing insulators on straight towers and other poles of transmission lines, the equipotential operation method is generally adopted. In actual work, most operators use the flat ladder method to enter the potential. In the process of using the above-mentioned flat ladder method to enter the potential, the tail end of the flat ladder is usually fixed to the cross arm by means of manual binding with ropes.

Due to the high frequency of use of flat ladders, the way of manual tying is too cumbersome. After a period of time, the ropes tied at the tail of the flat ladder will wear out and need to be checked and replaced regularly. Moreover, the above-mentioned manual binding method cannot fully fix the flat ladder and the cross arm. When the operator continues to use the flat ladder to go out of the line, it is easy to cause the swing of the flat ladder, which affects the personal safety of the operator, and the work efficiency is low.

Contents of the invention

The main purpose of the present invention is to provide a fixing device to solve the problem of low work efficiency caused by using ropes to fix the flat ladder during the flat ladder operation in the prior art.

In order to achieve the above object, the present invention provides a fixing device, which is used to fix the flat ladder to the cross arm of the pole tower. The components are connected to secure the snap-on components to the ladder.

Further, the fixing device further includes an adjustment assembly, the adjustment assembly includes a stop plate, and the snap-fit assembly is movably arranged relative to the stop plate.

Further, the adjustment assembly further includes: a rod body having a threaded portion, and the stop plate cooperates with the rod body; the first nut has an internal thread mated with the threaded portion.

Further, the adjustment assembly further includes a grip part connected with the first nut.

Further, the first positioning portion is a positioning plate, and two positioning plates are respectively provided at opposite ends of the stopper plate.

Further, the clamping assembly includes: a fixing part; the clamping part is pivotally connected with the fixing part.

Further, the clamping assembly further includes a connecting structure, and the clamping part is connected to the fixing part through the connecting structure.

Further, the first end of the clamping part has a snap ring, the second end of the clamping part has a hook, the fixing part has a first through hole, and the connection structure passes through the first through hole and the snap ring in order to connect the clamping part and the fixing part connect.

Further, the snap-fit assembly also includes a fall-off prevention piece for preventing the connection structure from falling off, and the drop-off prevention piece is connected with the connection structure.

Further, the fixing part includes two oppositely arranged side plates and a connecting plate connecting the two side plates, at least one side plate is provided with a first through hole, and one end where the snap ring of the clamping portion is located extends into the two side plates to form a within the accommodation space.

Applying the technical solution of the present invention, the clamping assembly of the fixing device cooperates with the cross arm, and the first positioning part connected with the clamping assembly is connected with the flat ladder, so that the flat ladder can be fixed to the cross arm. The above-mentioned fixing method is easy to operate , The connection between the flat ladder and the cross arm is reliable, which improves the work efficiency.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 shows the three-dimensional structure schematic diagram of the embodiment that the fixing device cooperates with the flat ladder according to the present invention;

Figure 2 shows a front view of the fixture of Figure 1;

Figure 3 shows a left side view of Figure 2; and

FIG. 4 shows a top view of FIG. 2 .

Wherein, the above-mentioned accompanying drawings include the following reference signs:

1. Clamping component; 11. Clamping part; 111. Snap ring; 112. Hook; 12. Fixed part; 121. Side plate; 13. Connection structure; 2. Adjusting component; 21. Stop plate; 22. Rod body ; 23, the first nut; 24, the holding part; 3, the first positioning part; 4, the flat ladder.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in Figures 1 to 4, the present invention provides a fixing device. The fixing device is used to fix the flat ladder to the cross arm of the tower, and the fixing device includes a clamping assembly 1 matched with the cross arm and a first positioning part 3 connected with the clamping assembly 1 . The first positioning part 3 is used for fixing the clamping assembly 1 on the flat ladder.

In the above arrangement, since the clamping assembly 1 is engaged with the cross arm, the first positioning part 3 connected with the clamping assembly 1 fixes the clamping assembly 1 on the flat ladder. Compared with the way of fixing with ropes, the way of snap-fitting is easy to operate, and the way of connecting the flat ladder and the fixing device with the first positioning part 3 can fix the flat ladder more firmly. Therefore, the operator is using the flat ladder method During the operation process, the flat ladder is not easy to shake, which reduces the psychological burden of the operators and improves the work efficiency. Furthermore, the personal safety of workers can also be improved.

As shown in FIG. 1 , in the embodiment of the present invention, the fixing device further includes an adjustment component 2 . The adjustment assembly 2 includes a stop plate 21 , and the snap-in assembly 1 is movably arranged relative to the stop plate 21 .

In the above arrangement, the adjustment assembly 2 can be used to adjust the distance between the clamping assembly 1 and the cross arm to make the connection between the fixing device and the cross arm more firm.

As shown in FIG. 2 and FIG. 3 , in the embodiment of the present invention, the clamping assembly 1 includes a fixing part 12 and a clamping part 11 . Wherein, the engaging portion 11 is pivotally connected to the fixing portion 12 .

When it is necessary to fix the flat ladder to cross arms with different angles or directions, since the snap joint portion 11 is pivotally connected to the fixing portion 12 , the snap fit between the snap joint portion 11 and the cross arm is facilitated.

As shown in FIG. 2 , specifically, the first end of the engaging portion 11 has a snap ring 111 , and the second end of the engaging portion 11 has a hook 112 . The fixing part 12 has a first through hole, and the connection structure 13 passes through the first through hole and the snap ring 111 in order to connect the snap-in part 11 and the fixing part 12 .

As shown in FIG. 3 , in the embodiment of the present invention, the clamping assembly 1 further includes a connection structure 13 . The clamping part 11 is connected to the fixing part 12 through the connecting structure 13 .

Preferably, the connection structure 13 is a screw, and the shape of the hook 112 is adapted to the shape of the cross arm. The snap ring 111 can rotate around the screw.

In order to prevent the screw from falling off from the first through hole, the clamping assembly 1 further includes a second nut connected to the connecting structure 13 .

In an alternative embodiment not shown in the drawings of the embodiment of the present invention, the connecting structure 13 can also be set as a pin shaft, and the anti-dropping part can be set as a pin, and the end of the pin shaft away from the fixed part 12 can be set to cooperate with the pin pin holes.

As shown in Fig. 3, in the embodiment of the present invention, the fixed part 12 includes two side plates 121 arranged oppositely and a connecting plate connecting the two side plates 121, at least one of the side plates 121 is provided with a first through hole, snap-fit One end of the snap ring 111 of the part 11 protrudes into the accommodation space formed by the two side plates 121 .

Specifically, one side plate 121 has a first through hole, and the other side plate 121 is provided with a threaded hole, and the threaded hole opens toward the inside of the fixing portion 12 . The first end of the screw as the connection structure 13 passes through the first through hole, the snap ring 111 of the clamping part 11 in turn and stretches into the inside of the threaded hole, and cooperates with the threaded hole. The second nut is connected so as to realize the connection between the clamping part 11 and the fixing part 12 .

As shown in FIGS. 1 to 3 , in the embodiment of the present invention, the adjustment assembly 2 further includes a rod body 22 and a first nut 23 . The rod body 22 has a threaded portion, and the stop plate 21 cooperates with the rod body 22; the first nut 23 has an internal thread matched with the threaded portion.

In order to facilitate the adjustment of the position of the fixing device relative to the stop plate 21 , the adjustment assembly 2 further includes a gripping portion 24 connected with the first nut 23 .

The fixing device of the present application can firmly fix the tail end of the flat ladder, and will not shake when the operator continues to use the flat ladder to go out of the line, eliminates the psychological burden of the operator, improves work efficiency, and ensures the safety of the operation.

Specifically, the stop plate 21 is sheathed on the outer periphery of the rod body 22 and abuts against the upper end surface of the connecting plate of the fixing portion 12 . The first positioning portion 3 is a positioning plate, and two positioning plates are respectively provided at opposite ends of the stop plate 21 .

As shown in Figure 1, in the embodiment of the present invention, in order to facilitate manufacture and installation, the positioning plate and the stop plate 21 are integrally formed. After the fixed plate is fixedly connected with the flat ladder 4, the first nut 23 is rotated by the grip part 24 So that the first nut 23 abuts against the upper end surface of the stopper plate 21, when the hook 112 is engaged with the cross arm, by rotating the first nut 23, when the rod body 22 moves upward relative to the stopper plate 21, the snap-fit The hook 112 of the part 11 rises together with the rod body 22, so that the hook 112 can be locked on the cross arm, or when the rod body 22 moves down relative to the stopper plate 21, the hook 112 of the clamping part 11 follows the rod body 22 drop together, so that the hook 112 can be disengaged from the cross arm.

The fixing device of the embodiment of the present invention is convenient for the operator to operate. The tail end of the flat ladder 4 is fixed to the cross arm through the threaded cooperation of the rod body 22 and the first nut 23. The hook 112 is firmly fixed by snapping and matching with the cross arm. , the flat ladder is not easy to swing; and the removal and installation speed of the fixing device is fast, which shortens the working time, improves the work efficiency, and reduces the labor intensity of the operators while improving safety.

Utilizing the fixing device of the embodiment of the present invention, the operator can stabilize the flat ladder when using the flat ladder method to go out of the line, so that the flat ladder does not shake; Direction of movement to control the stability of the flat ladder. During operation, after the operator has tied the flat ladder to the pole tower, the operator on the pole tower can hang the first end (head end) of the flat ladder 4 on the working wire, and the second end (tail end) of the flat ladder 4 Connect with the fixing device, the clamping part 11 of the fixing device is directly engaged with the angle steel on the tower, and finally the rod body 22 is tightened to fix the flat ladder 4 firmly. The end will not shake, which enhances the safety of the operation, and after being fixed firmly, there is no need for special personnel to guard it, thereby improving work efficiency.

From the above description, it can be seen that the above-mentioned embodiments of the present invention have achieved the following technical effects: the fixing device is used to fix the flat ladder to the cross arm of the pole tower, and the fixing device includes a clamping assembly that cooperates with the cross arm and a The first positioning part connected with the clamping assembly is used to fix the clamping assembly on the flat ladder. In the above setting, since the clamping assembly is engaged with the cross arm, the first positioning part connected with the clamping assembly The clamping assembly is fixed to the flat ladder by the first positioning part. Compared with the method of fixing with ropes, the clamping and fitting method is easy to operate, and the method of connecting the flat ladder and the fixing device with the first positioning part can fix the flat ladder more firmly. Therefore, the flat ladder is not easy to shake during the operation of the operator using the flat ladder method, which reduces the psychological burden of the operator and improves work efficiency. Furthermore, the personal safety of workers can also be improved.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. a kind of fixing device, it is characterised in that the fixing device for flat ladder (4) is fixed at the cross-arm of shaft tower, institute Stating fixing device includes：

Clip assembly (1), is coordinated with the cross-arm；

First location division (3), is connected for the clip assembly (1) to be fixed to the flat ladder (4) with the clip assembly (1) On,

Clip assembly (1) includes：

Fixed part (12)；

Access Division (11), is pivotally connected with the fixed part (12),

Clip assembly (1) also includes attachment structure (13), and Access Division (11) are by the attachment structure (13) and institute Fixed part (12) connection is stated, the first end of Access Division (11) has snap ring (111), the second end tool of Access Division (11) Have a hook (112), described fixed part (12) with the first perforation, attachment structure (13) sequentially pass through first perforation and Snap ring (111) are so that the Access Division (11) and the fixed part (12) to be connected.

2. fixing device according to claim 1, it is characterised in that the fixing device also includes adjusting part (2), institute Adjusting part (2) is stated including baffle plate (21), clip assembly (1) movably can be set relative to the baffle plate (21) Put.

3. fixing device according to claim 2, it is characterised in that adjusting part (2) also include：

The body of rod (22), with threaded portion, baffle plate (21) are coordinated with the body of rod (22)；

First nut (23), with the internal thread coordinated with the threaded portion.

4. fixing device according to claim 3, it is characterised in that adjusting part (2) also include and described first The grip part (24) that nut (23) connects.

5. fixing device according to claim 2, it is characterised in that described first location division (3) are location-plate, it is described only The two ends being oppositely arranged of baffle plate (21) are respectively arranged with a location-plate.

6. fixing device according to claim 1, it is characterised in that clip assembly (1) is also included for preventing The anti-falling piece that attachment structure (13) comes off is stated, the anti-falling piece is connected with the attachment structure (13).

7. fixing device according to claim 1, it is characterised in that described fixed part (12) include two for being oppositely arranged Side plate (121) and connect the connecting plate of described two side plate (121), on side plate described at least one (121), be provided with described the One perforation, the receiving that two side plate (121) are formed is stretched in one end that the snap ring (111) of Access Division (11) is located In space.