CN205556020U - Cable shaft opener - Google Patents

Abstract

A cable well opener relates to the technical field of electric power construction and is used to realize fast and efficient opening of a cable well cover. The adopted technical solution is a cable well opener, which is characterized in that it includes a clamping device, a prying device and a manhole cover pull rope, and the clamping device includes a first cross bar and a second cross bar, and the second cross bar A jack is arranged in the bar along the transverse direction, and the right end of the first cross bar is slidably connected in the jack, and the lower side of the first cross bar is fixedly connected with a first pull hook, and the first pull hook is close to the side of the first cross bar. At the left end, the first drag hook is in the shape of "└", the second drag hook is fixedly connected to the lower side of the second cross bar, the second drag hook is close to the right end of the second cross bar, and the second drag hook is in the shape of "┘ "shape. The clamping device clamps the manhole cover, and then pulls the cable manhole cover through the manhole cover pull rope and the prying device. The beneficial effect is that the utility model is suitable for quick opening of cable well covers of different sizes, and has the characteristics of being convenient to carry.

Description

cable well opener

technical field

The utility model relates to the technical field of electric power construction, in particular to a cable well opener.

Background technique

Cable wells are important facilities for line laying, and a cable well cover is arranged on each cable well, and construction personnel need to open the cable well cover during inspection and maintenance of lines. In the prior art, construction workers open the cable well cover by using a lever to pry the edge of the cable well cover. But because most of the cable wells are set in the open environment, there will be a lot of dust and loads accumulated on the edge of the well cover, and when using the lever to pry the cable well cover, you need to find a fulcrum and a point of force, on the edge of the cable well cover When it is covered with dust, it is difficult to find a force point and a fulcrum, so this brings great difficulties to the opening of the cable well cover, which not only reduces the efficiency of maintenance, but also easily damages the cable well cover.

Utility model content

The purpose of the utility model is to provide a cable well opener, which is used to realize fast and efficient opening of the cable well cover. The utility model has the characteristics of easy folding and portability, and is suitable for opening cable well covers with different diameters.

The technical solution adopted by the utility model to solve the technical problem is: a cable well opener, including a clamping device, a prying device and a manhole cover pull rope, the clamping device includes a first cross bar and a second cross bar, The second crossbar is provided with a socket along the transverse direction, the right end of the first crossbar is slidably connected in the socket, the upper side of the first crossbar is fixedly connected with a first pull ring, and the upper side of the second crossbar The upper side is fixedly connected with a second pull ring, one end of the manhole cover stay rope is tied to the first draw ring, and the other end of the manhole cover stay rope is tied to the second draw ring;

The lower side of the first crossbar is fixedly connected with a first pull hook, the first pull hook is close to the left end of the first crossbar, the first pullhook is in the shape of "└", and the lower side of the second crossbar is fixed A second pull hook is connected, the second pull hook is close to the right end of the second cross bar, and the second pull hook is in the shape of "┘";

The prying device includes a connecting plate, a pressure rod, an installation shaft, a bracket, and a support rope, one end of the connecting plate is provided with a rope hole, the well cover stay rope passes through the rope hole, and the other end of the connecting plate is hinged At one end of the pressure rod, the pressure rod is rotatably mounted on the installation shaft, and each end of the installation shaft is respectively provided with two brackets, and each of the brackets is respectively rotatably mounted on the installation shaft, and each of the The middle positions of the brackets are respectively provided with bracket holes;

Described support rope comprises first support rope and second support rope, and one end of described first support rope is tied in the bracket hole of one of the brackets that is positioned at the left end of rotating shaft, and the other end of described first support rope is tied in the bracket hole that is positioned at rotating shaft. In the bracket hole of another bracket at the left end, one end of the second bracket rope is tied to the bracket hole of one of the brackets at the right end of the rotating shaft, and the other end of the second bracket rope is tied to another bracket at the right end of the rotating shaft. in the bracket hole.

Further, four isolating threaded holes are equally spaced along the axial direction of the installation shaft, and each isolating threaded hole is equipped with an isolating bolt, and the two brackets at the left end of the installation shaft are located on the leftmost side. Between the two adjacent isolation bolts, the two brackets at the right end of the installation shaft are located between the rightmost two isolation adjacent bolts, and the pressure rod is located between the middle two adjacent isolation bolts between.

Further, the upper side of the second cross bar is provided with a cross bar threaded hole, the cross bar threaded hole communicates with the insertion hole, and a compression bolt is fitted in the cross bar threaded hole.

Further, the prying device also includes a first base and a second base, and each of the first base and the second base includes two hinged frames, and the hinged frames are in the shape of "┐". The bottom is hinged on one of the hinged frames of the first base, the bottom of one of the brackets located at the left end of the rotating shaft is hinged on the other hinged frame of the first base, and the bottom of the other bracket located at the right end of the rotating shaft is hinged on one of the second bases. On a articulated frame, the bottom of another support positioned at the left end of the rotating shaft is hinged on another articulated frame of the second base.

Further, the first draw ring is located directly above the first draw hook, and the second draw ring is located directly above the second draw hook.

Further, the free end of the pressure rod is fixedly connected with a handle, and the handle is provided with anti-slip rubber.

The beneficial effects of the utility model are:

1. The utility model provides a cable well opener, which can be used to quickly and efficiently open the cable well cover. Cable manhole covers of different sizes are used to adjust the distance between the first and second structures. The connection relationship between each bracket and the installation shaft meets the requirement that each component is easy to be retracted, so that the utility model is easy to disassemble and carry.

2. When the utility model is working, each spacer bolt prevents the parts installed on the installation shaft from slipping off the installation shaft, and also plays a role in avoiding mutual interference of each part.

3. The compression bolt can compress the first crossbar into the second crossbar, and the compression bolt can play the role of fixing the distance between the first construction and the second construction when the cable manhole cover is opened.

4. The first and second bases serve to increase the frictional force between the bottom and the bottom surface of each bracket, and the structure of each hinge frame can facilitate the installation of the corresponding base.

5. Set the first pull ring directly above the first structure, and set the second pull ring directly above the second structure, so that the tension of the manhole cover rope can be avoided from pulling the first crossbar and the second crossbar together. The bar is stretched and bent, so that the service life of the first cross bar and the second cross bar can be improved.

6. The handle and non-slip rubber can improve the comfort of use.

Description of drawings

Fig. 1 is the structural representation of cable manhole cover;

Fig. 2 is the overall structural representation of the utility model;

Fig. 3 is a partially enlarged view of part A in Fig. 2;

Fig. 4 is the structural representation of clamping device;

Fig. 5 is the structural representation of the first bracket;

Figure 6 is a schematic diagram of the distribution of isolation bolts;

In the figure: 1 cable manhole cover, 11 first opening hole, 12 second opening hole, 13 manhole cover stay rope, 2 first cross bar, 21 first pull ring, 22 first pull hook, 3 second cross bar, 31 second Pull ring, 32 second pull hook, 33 compression bolt, 4 connecting plate, 41 rope hole, 5 pressure bar, 51 handle, 6 installation shaft, 61 first bracket, 611 first bracket hole, 62 second bracket, 63 first bracket Three brackets, 64 fourth bracket, 65 first isolation bolt, 66 second isolation bolt, 67 third isolation bolt, 68 fourth isolation bolt, 7 first base, 71 first hinged frame, 72 second hinged frame, 8 Second base, 81 the 3rd articulated frame, 82 the 4th articulated frame, 91 first support ropes, 92 second support ropes.

detailed description

As shown in Figure 1, two opening holes, the first opening hole 11 and the second opening hole 12, are provided on the cable well cover 1, and the first opening hole and the second opening hole respectively pass through the upper and lower bottom surfaces of the cable well cover. Well openers are designed for this type of cable manhole covers.

As shown in FIGS. 2 to 6 , a cable well opener includes a clamping device, a prying device and a manhole cover pull rope 13 . The clamping device includes a first crossbar 2 and a second crossbar 3 . Prying device comprises connecting plate 4, depression bar 5, installation shaft 6, first support 61, second support 62, the 3rd support 63, the 4th support 65 altogether four supports and first support rope 91, the second support rope 92 total two support ropes. In order to better illustrate the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 2 and Fig. 4, the second crossbar 3 is provided with a socket along the transverse direction, the right end of the first crossbar 2 is slidably connected in the socket, and the upper side of the second crossbar 3 is provided with a crossbar threaded hole. The threaded hole of the cross bar is connected to the jack, and the threaded hole of the cross bar is equipped with a compression bolt 33 . The upper side of the first cross bar 2 is fixedly connected with the first draw ring 21 by welding, the upper side of the second cross bar 3 is fixedly connected with the second draw ring 31, and one end of the manhole cover stay rope 13 is tied to the first draw ring. 21, the other end of the manhole cover stay rope 13 is tied on the second draw ring 31; the lower side of the first cross bar 2 is fixedly connected with the first draw hook 22, the first draw hook 22 is close to the left end of the first cross bar 3, the first The drag hook 22 is in the shape of "└", and the lower side of the second cross bar 3 is fixedly connected with a second drag hook 32, which is close to the right end of the second cross bar, and the second drag hook 32 is in the shape of "┘". As a preferred setting position of the first pull ring 21 and the second pull ring 31 , the first pull ring 21 is located directly above the first pull hook 22 , and the second pull ring 31 is located directly above the second pull hook 32 .

As shown in Figure 2, one end of the connecting plate 4 is provided with a rope hole 41, the well cover pull rope 13 passes through the rope hole, the other end of the connecting plate 4 is hinged on one end of the pressure rod 5, and the pressure rod 5 is rotatably mounted on the installation shaft 6 , the free end of the pressure rod 5 is fixedly connected with a handle 51, and the handle is provided with anti-slip rubber. The left end of the mounting shaft is provided with two supports of the first support 61 and the second support 62, and the right end of the mounting shaft is provided with two supports of the third support 63 and the fourth support 64, and each support is respectively rotatably mounted on the mounting shaft.

As shown in Figure 1 and Figure 6, in order to prevent the brackets or pressure rods 5 from slipping off the installation shaft 6 during use, four isolated threaded holes are distributed at equal intervals along the axial direction of the installation shaft 6, and each An isolating bolt is fitted in each isolating threaded hole, and in the figure from left to right are the first isolating bolt 65, the second isolating bolt 66, the third isolating bolt 67 and the fourth isolating bolt 68, the first support 61 and the The second bracket 62 is located between the first isolation bolt 65 and the second isolation bolt 66 . The third bracket 63 and the fourth bracket 64 are located between the third isolation bolt 67 and the fourth isolation bolt 68 . The compression rod 5 is located between the second isolation bolt 66 and the third isolation bolt 67 .

As shown in Figure 1 and Figure 5 as an example, a bracket hole is respectively provided at the middle position of each bracket, taking the first bracket 61 as an example, a first bracket hole 611 is arranged in the middle of the bracket 61, and one end of the first bracket rope 91 In the bracket hole of the first support 61, the other end of the first bracket rope 91 is tied in the bracket hole of the second bracket 62, and one end of the second bracket rope 92 is tied in the bracket hole of the third bracket 63, and the second bracket The other end of 92 ropes is tied in the support hole of the 4th support 64.

As shown in Figure 2 and Figure 3, in order to increase the frictional force between each support and the ground, the prying device also includes a first base 7 and a second base 8, and the first base 7 includes a first hinged frame 71 and a second The hinged frame 72 is two hinged frames, and the second base 8 includes a third hinged frame 81 and a fourth hinged frame 82. Each hinged frame is in the shape of "┐" respectively, and the bottom of the first bracket 61 is hinged on the first hinged frame. On the frame 71, the bottom of the third support 63 is hinged on the second articulated frame 72, the bottom of the fourth support 64 is hinged on the third articulated frame 81, and the bottom of the second support 62 is hinged on the fourth articulated frame 82.

As shown in Figures 1 to 6, when the utility model is used to open the well cover, firstly the various components are assembled, and then the first support 61, the second support 62, the third support 63 and the fourth support 64 are supported on the bottom surface , and then adjust the distance between the first truss 22 and the second truss 32 through the relative sliding between the first crossbar 2 and the second crossbar 3, so that the first truss 22 passes through the first opening 11 , the second truss 32 passes through the second opening 12, and then the distance between the first truss 22 and the second truss 32 is reduced by sliding between the first crossbar 2 and the second crossbar 3, so that The horizontal parts of the first structure 22 and the second structure 32 are respectively stuck on the lower surface of the cable well cover, and then the free end of the hand-holding pressure rod 5 is used to pull up the cable well cover by the principle of leverage.

Claims (6)

1. A cable shaft opener, characterized in that it comprises a clamping device, a prying device and a manhole cover stay rope, and the clamping device comprises a first cross bar and a second cross bar, and the second cross bar is arranged laterally There is a jack, the right end of the first cross bar is slidably connected in the jack, the upper side of the first cross bar is fixedly connected with a first pull ring, and the upper side of the second cross bar is fixedly connected with a second pull ring. ring, one end of the manhole cover stay rope is tied to the first draw ring, and the other end of the manhole cover stay rope is tied to the second draw ring; A first draw hook is fixedly connected to the lower side of the first cross bar, and the first draw hook is close to the left end of the first cross bar, and the first draw hook is shape, the lower side of the second cross bar is fixedly connected with a second pull hook, the second pull hook is close to the right end of the second cross bar, and the second pull hook is shape; The prying device includes a connecting plate, a pressure rod, an installation shaft, a bracket, and a support rope, one end of the connecting plate is provided with a rope hole, the well cover stay rope passes through the rope hole, and the other end of the connecting plate is hinged At one end of the pressure rod, the pressure rod is rotatably mounted on the installation shaft, and each end of the installation shaft is respectively provided with two brackets, and each of the brackets is respectively rotatably mounted on the installation shaft, and each of the The middle positions of the brackets are respectively provided with bracket holes; Described support rope comprises first support rope and second support rope, and one end of described first support rope is tied in the bracket hole of one of the brackets that is positioned at the left end of rotating shaft, and the other end of described first support rope is tied in the bracket hole that is positioned at rotating shaft. In the bracket hole of another bracket at the left end, one end of the second bracket rope is tied to the bracket hole of one of the brackets at the right end of the rotating shaft, and the other end of the second bracket rope is tied to another bracket at the right end of the rotating shaft. in the bracket hole. 2. A cable well opener according to claim 1, characterized in that there are four isolating threaded holes distributed at equal intervals along the axial direction of the installation shaft, and each isolating threaded hole is equipped with One spacer bolt, the two brackets at the left end of the installation shaft are located between the leftmost two adjacent spacer bolts, and the two brackets at the right end of the installation shaft are located between the rightmost two spacer adjacent bolts Between, the pressure bar is located between two adjacent spacer bolts in the middle. 3. A cable well opener according to claim 1, characterized in that, the upper side of the second cross bar is provided with a cross bar threaded hole, the cross bar threaded hole communicates with the jack, and the cross bar threaded hole Fitted with compression bolts. 4. A cable well opener according to claim 1, wherein the prying device further comprises a first base and a second base, each of the first base and the second base comprises two hinged frames, so The hinged frame is The bottom of one of the brackets at the right end of the rotating shaft is hinged on one of the hinged frames of the first base, the bottom of one of the brackets at the left end of the rotating shaft is hinged on the other hinged frame of the first base, and the other at the right end of the rotating shaft The bottom of the support is hinged on one of the hinged frames of the second base, and the bottom of the other bracket positioned at the left end of the rotating shaft is hinged on the other hinged frame of the second base. 5 . The cable well opener according to claim 1 , wherein the first draw ring is located directly above the first draw hook, and the second draw ring is located directly above the second draw hook. 6 . The cable well opener according to claim 1 , wherein the free end of the pressure rod is fixedly connected with a handle, and the handle is provided with non-slip rubber. 7 .