CN211351499U

CN211351499U - Special tool for sealing cable stuffing box

Info

Publication number: CN211351499U
Application number: CN202020176789.7U
Authority: CN
Inventors: 董意; 肖亮; 程建国; 程国庆
Original assignee: Jiangnan Shipyard Group Co Ltd
Current assignee: Jiangnan Shipyard Group Co Ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2020-08-25
Anticipated expiration: 2030-02-17

Abstract

The utility model provides a special tool for sealing a cable stuffing box, which comprises a pipe body, wherein one side of the pipe body is provided with an opening for clamping a cable, and the shape of an inner cavity at the front end of the pipe body is matched with that of a gland nut of the stuffing box; the two sides of the rear end of the tube body are provided with main handles which are detachably arranged on the tube body; the rear end face of the pipe body is detachably provided with an extension rod which is arranged along the longitudinal direction of the pipe body; the rear end of the extension rod is spliced with an auxiliary handle, the auxiliary handle is in sliding fit with the extension rod, and two ends of the auxiliary handle are provided with limiting blocks. When the gland packing box is used, a cable is placed into the inner cavity of the pipe body from the opening of the pipe body, the front end of the pipe body is sleeved on the gland packing box compression nut, and the gland packing box compression nut can be screwed by rotating the main handle. When the operation space is small, the main handle is taken down, and the extension rod and the auxiliary handle are installed. Then the auxiliary handle is rotated, and the stuffing box compression nut can be screwed. The auxiliary handle can slide left and right to adapt to different working environments.

Description

Special tool for sealing cable stuffing box

Technical Field

The utility model relates to a special frock in the shipbuilding, especially a special frock is sealed to cable packing box.

Background

The ship cables are distributed in all cabins of the whole ship, the sealing modes for cable penetrating are different due to different ship types, and the sealing modes for cable penetrating of some small ships adopt a combination board sealing mode that a plurality of stuffing boxes are intensively arranged together. Because the distance between the stuffing boxes of the combined plate is very small, a common wrench is difficult to be sleeved into a compression nut of the stuffing box. The space of the position where the packing box combination plate is located is narrow, other equipment or pipes are arranged around the packing box combination plate, and when a common open-end wrench is used for fastening a packing box compression nut, enough rotating space is not available in the horizontal direction, so that the operation of personnel is very difficult, and the construction efficiency is very low.

In the past, when the cable stuffing box combined plate is subjected to sealing operation, tools such as a monkey wrench, a slip joint pliers and a pipe wrench are combined, matched and used, a large amount of time and energy are consumed, and due to the fact that no special matched tool is arranged, the wrench can frequently slip during construction, so that the stuffing box compression nut is frequently damaged in different degrees, the sealing effect cannot be guaranteed, and the gland stuffing box combined plate is often turned over for many times to be fastened.

SUMMERY OF THE UTILITY MODEL

The not enough to above-mentioned prior art, the to-be-solved technical problem of the utility model is to provide a special frock is sealed to cable packing box, simple structure, low in production cost, excellent in use effect.

In order to realize the above and other related purposes, the utility model provides a special tool for sealing a cable stuffing box, which comprises a tube body, wherein one side of the tube body is provided with an opening for clamping a cable, and the shape of an inner cavity at the front end of the tube body is matched with that of a gland nut of the stuffing box; the two sides of the rear end of the tube body are provided with main handles which are detachably arranged on the tube body; the rear end face of the pipe body is detachably provided with an extension rod which is arranged along the longitudinal direction of the pipe body; the rear end of the extension rod is spliced with an auxiliary handle, the auxiliary handle is in sliding fit with the extension rod, and two ends of the auxiliary handle are provided with limiting blocks. When the device is used, a cable is placed into the inner cavity of the pipe body from the opening of the pipe body, the front end of the pipe body is sleeved on the stuffing box compression nut, and the main handle is rotated to drive the pipe body to rotate, so that the stuffing box compression nut is screwed and screwed down or taken down. When the operation space is small, the main handle is taken down, and the extension rod and the auxiliary handle are installed. Then the auxiliary handle is rotated to drive the pipe body to rotate, so that the stuffing box compression nut is screwed and screwed down or taken down. The auxiliary handle can slide left and right according to the operation environment so as to adapt to different working environments.

The front end and the rear end of body adopt split type setting, and the front end of body forms the opening sleeve that is used for twisting to move stuffing box gland nut, and the rear end of body forms the open pipe to opening sleeve, open pipe pass through fixed screw and link together. Thus, the processing and assembly are convenient. After a certain part is damaged, the maintenance and the replacement are convenient, and the cost is reduced.

The opening sleeve is internally provided with a lining, the shape of the inner wall of the lining is matched with that of a gland nut of the stuffing box, and the lining is arranged on the opening sleeve through screws. The use of the bushings of different sizes can adapt to the stuffing box compression nuts of different sizes, and the application range is wide. Meanwhile, after the bushing is damaged, only the bushing needs to be replaced, so that the maintenance cost is greatly reduced.

The bottom of the open pipe is provided with a flange, and the fixing screw is positioned on the flange. In this way, a fixed connection of the opening tube and the opening sleeve is facilitated.

The rear end of the tube body is provided with a handle interface tube with internal threads, and the main handle is connected with the handle interface tube in a threaded manner. Like this, be convenient for the main handle to install at the body rear end to conveniently pull down.

The rear end face of the pipe body is provided with a square tenon, and the extension rod is sleeved on the square tenon through a four-corner sleeve at the bottom. Like this, the dismouting extension rod of being convenient for, simultaneously, the rotation of guaranteeing the extension rod can drive the body and then rotate.

The limiting block at one end of the auxiliary handle is in threaded connection with the end part of the auxiliary handle. Therefore, the limiting block at one end is taken down, and the auxiliary handle can be conveniently inserted on the extension rod. After the insertion is finished, the limiting block is screwed on the handle.

The limiting block is spherical. Is convenient for hand holding operation.

The utility model discloses a special frock is sealed to cable packing box has following beneficial effect:

(1) small volume, light weight, convenient carrying, convenient installation and disassembly and long service life.

(2) Easy operation and strong universality.

(3) Effectively reduce work intensity of labour, improve construction quality and efficiency.

(4) Safe and reliable, and is not easy to slip in the process of force application.

(5) The compression nut is not damaged in the fastening process.

(6) The method is suitable for complex and narrow construction environments.

(7) Simple structure and convenient processing.

Drawings

Fig. 1 is a schematic structural view of the special tool for sealing a cable stuffing box of the utility model when in use;

FIG. 2 is a schematic view of a front-view three-dimensional structure of the cable stuffing box seal of the present invention;

FIG. 3 is a schematic structural view of the extension rod and the auxiliary handle of the present invention;

fig. 4 is a schematic diagram of a rear perspective structure of the cable stuffing box seal of the present invention;

fig. 5 is a schematic perspective view of the bushing of the present invention.

Description of the reference numerals

The novel multifunctional combined type stuffing box comprises a bulkhead 1, a stuffing box combined plate 2, a stuffing box 3, a stuffing box compression nut 4, a cable 5, a pipe body 6, an open pipe 7, an open sleeve 8, a handle interface tube 9, a fixing screw 10, a square tenon 11, a main handle 12, an extension rod 13, a four-corner sleeve 14, a limiting block 15, an auxiliary handle 16, a screw 17, a bushing 18, a screw hole 19 and a threaded hole 20.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to the attached drawings 1-5, the utility model provides a special frock is sealed to cable packing box, including body 6, open 6 one side of body has the opening that the card of supply cable 5 was gone into. The front end and the rear end of body 6 adopt split type setting, and the front end of body 6 forms the opening sleeve 8 that is used for twisting to move stuffing box gland nut 4, and the rear end of body 6 forms opening pipe 7 to opening sleeve 8, opening pipe 7 link together through set screw 10. The bottom of the open pipe 7 is provided with a flange, and the fixing screw 10 is positioned on the flange. The split sleeve 8 is provided with a bush 18, the shape of the inner wall of the bush 18 is matched with that of the stuffing box compression nut 4, and the bush is arranged on the split sleeve 8 through a screw 17. The back of the opening sleeve 8 is provided with a pit matched with the screw 17. The open pipe 7 is provided at both sides of the rear end thereof with main handles 12, and the main handles 12 are detachably attached to the open pipe 7. The rear end of the opening tube 7 is provided with a handle mouthpiece 9 with internal threads, and a main handle 12 is connected to the handle mouthpiece 9 in a threaded manner. An extension rod 13 is detachably mounted on the rear end face of the open pipe 7, and the extension rod 13 is arranged along the longitudinal direction of the pipe body 6. In this embodiment, the rear end surface of the open pipe 7 is provided with a square tenon 11, and the extension rod 13 is sleeved on the square tenon 11 through a four-corner sleeve 14 at the bottom. An auxiliary handle 16 is inserted at the rear end of the extension rod 13, the auxiliary handle 16 is in sliding fit with the extension rod 13, and two ends of the auxiliary handle 16 are provided with limit blocks 15. The stopper 15 is spherical. The limiting block 15 at one end of the auxiliary handle 16 is connected with the end of the auxiliary handle 16 in a threaded mode.

The length of the auxiliary handle 16 is less than the sum of the lengths of the two main handles after installation. Therefore, the operation space is reduced as far as possible, and the operation of screwing the stuffing box and pressing the nut can be carried out as long as the operation space can stretch into the pipe body.

As shown in fig. 1 to 5, when a cable stuffing box sealing operation is performed at the hull bulkhead 1, the hexagonal socket head cap 8 and the open pipe 7 are connected together by screwing the hexagonal socket head cap fixing screw 10 into the screw hole 20 at the upper end of the hexagonal socket head cap 8 through the screw hole 19 at the flange at the lower end of the open pipe 7. The handle 12 is screwed into the handle mouthpiece 9 at the upper end of the open tube 7.

The cable 5 is sleeved in through the opening of the pipe body 6, the hexagonal opening sleeve 8 is sleeved in the stuffing box 3, the stuffing box compression nut 4 is clamped, and a constructor can rotate the main handle 12 in the horizontal direction by force according to the field environment condition, so that the stuffing box compression nut 4 can be screwed.

And the stuffing box combination plate 2 is used for a very narrow and irregular area of a construction environment. In the case where there is not enough space in the horizontal direction, the main handle 12 is removed, the sub-handle 16 is passed through the hole above the extension rod 13, and then the handle stopper 15 is screwed into one end of the handle 16. The four-corner sleeve 14 is sleeved on the square tenon 11 of the rear end face of the open pipe 7, the operation in the horizontal direction can be extended in the vertical direction by rotating the extension rod 13, the pipe body 6 is driven to rotate, and the stuffing box compression nut 4 on the stuffing box 3 is screwed. In the rotating process, the position of the auxiliary handle 16 in the hole above the extension rod 13 can be adjusted randomly to be inclined to the left or the right according to the space size of a construction site.

According to the size and specification difference of the stuffing box 3, a hexagonal bushing 18 matched with the stuffing box 3 in size is selected, the hexagonal bushing 18 is inserted into the hexagonal opening sleeve 8, the fixing screw 17 on the back of the hexagonal opening sleeve 8 is screwed, and the hexagonal bushing 18 is fixed in the concave pit on the back of the hexagonal bushing 18, so that the hexagonal bushing 18 is tightly connected with the hexagonal opening sleeve 8, and the loosening is prevented. The tool set is suitable for sealing operation of stuffing boxes of all models and is also suitable for complex and narrow construction environments.

The utility model discloses utensil high industrial utilization value. When constructors lay cables by using the cable packing box sealing device, the situations that the packing box is damaged and hands of constructors are injured in the process of sealing the cable packing box can be effectively avoided. The labor intensity of constructors is reduced, and the construction progress and the safety are greatly improved. The sealing operation time of the stuffing box is effectively shortened; the utility model discloses an effectively use in the cable laying of various types of ships, have with low costs, maneuverability is strong, reduced great human cost.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a special frock is sealed to cable stuffing box, includes body (6), its characterized in that: an opening for clamping the cable (5) is formed in one side of the pipe body (6), and the shape of an inner cavity at the front end of the pipe body (6) is matched with that of the stuffing box compression nut (4); two sides of the rear end of the pipe body (6) are provided with main handles (12), and the main handles (12) are detachably arranged on the pipe body (6); an extension rod (13) is detachably arranged on the rear end face of the pipe body (6), and the extension rod (13) is arranged along the longitudinal direction of the pipe body (6); the rear end of the extension rod (13) is inserted with an auxiliary handle (16), the auxiliary handle (16) is in sliding fit with the extension rod (13), and two ends of the auxiliary handle (16) are provided with limit blocks (15).

2. The special tool for sealing the cable stuffing box according to claim 1, wherein: the front end and the rear end of body (6) adopt split type setting, and the front end of body (6) forms opening sleeve (8) that are used for twisting to move stuffing box gland nut (4), and the rear end of body (6) forms opening pipe (7) to opening sleeve (8), opening pipe (7) link together through set screw (10).

3. The special tool for sealing the cable stuffing box according to claim 2, wherein: a bushing (18) is arranged in the opening sleeve (8), the shape of the inner wall of the bushing (18) is matched with that of the stuffing box compression nut (4), and the bushing is installed on the opening sleeve (8) through a screw (17).

4. The special tool for sealing the cable stuffing box according to claim 2, wherein: the bottom of the open pipe (7) is provided with a turned edge, and the fixing screw (10) is positioned on the turned edge.

5. The special tool for sealing the cable stuffing box according to claim 1 or 2, wherein: the rear end of the pipe body (6) is provided with a handle interface tube (9) with internal threads, and the main handle (12) is in threaded connection with the handle interface tube (9).

6. The special tool for sealing the cable stuffing box according to claim 1, wherein: the rear end face of body (6) is equipped with square tenon (11), extension rod (13) cup joint on this square tenon (11) through four corners sleeve (14) of bottom.

7. The special tool for sealing the cable stuffing box according to claim 1 or 6, wherein: and a limiting block (15) at one end of the auxiliary handle (16) is in threaded connection with the end part of the auxiliary handle (16).

8. The special tool for sealing the cable stuffing box according to claim 7, wherein: the limiting block (15) is spherical.