JPH04124814U - Assembly type workbench inside manhole - Google Patents

Abstract

(57) [Summary] [Purpose] The purpose of this invention is to develop a manhole that can be disassembled and assembled easily into narrow manholes and handholes.
The purpose of the present invention is to provide a workbench that can be assembled within a room. [Configuration] The in-manhole assembly workbench according to the present invention is
A pedestal 2 installed on the manhole floor, a support 3 removably provided on the pedestal 2, and a support 3 removably provided on the top of the support 3 for removably attaching a cable connection tool 4, etc. In the manhole assembly type workbench equipped with a rail member 5, the above-mentioned support is formed from an outer support member 16 and an inner support member 17 that can be fitted into each other to make it expandable and retractable. Cables can be carried in and out of the cables and hand holes without any hindrance, and cable connection work can be carried out at a suitable work position.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea is suitable for narrow manholes, such as connecting PEC cables between manholes. Regarding the in-manhole assembly workbench that improves work efficiency in manholes. Ru.

0002

[Conventional technology]

Recently, city PEC (city unit star colored foamed polyethylene insulation laminate sheets) In order to improve the work efficiency in communication line connection work such as Construction methods that use compression tools (PAT connectors, etc.) such as Picaponds are becoming popular. There is. Compression tools that use this type of connector are designed so that the connector connects at the same time as the compression connection. The connecting fittings are configured to strip the insulation and make electrical and mechanical connections. It has the excellent advantage of improving connection quality and speeding up work.

0003

[Problem that the idea aims to solve]

However, when connecting connectors inside narrow manholes or handholes, The usual method is to fix the compression tool to the metal installation inside the manhole, but this With this method, the work position is limited by the position where the installation hardware is installed. , If the laying position of the wiring fittings is installed in a position that is difficult to work with, The problem was that it was difficult to connect the data.

0004 The purpose of this invention is to provide a container that can be easily brought into narrow manholes and handholes. An object of the present invention is to provide a workbench that can be disassembled and assembled inside a manhole.

[0005]

[Means to solve the problem]

The in-manhole assembly type workbench according to the present invention to achieve the above object is - A pedestal to be installed on the floor of the room, a removably provided pillar on this pedestal, and a pillar to be installed on the floor of the building. It is removably installed on the top of the In the manhole assembly type workbench equipped with a rail member, the above-mentioned support can be expanded and contracted. It is formed from an outer support member and an inner support member that can be fitted into each other in order to Ru.

[0006]

[Effect]

The in-manhole assembly type workbench according to the present invention can be disassembled and assembled freely, and can be installed in a narrow manhole. It can be brought into the main hole or hand hole without any hindrance.

[0007] To assemble, first install the pedestal in a suitable position relative to the manhole or handhole. , attach the support to the pedestal, then attach the rail member to the support, then attach the rail member to the support. Attach the cable connection tool etc. to the Adjust the length to a suitable working height and finish.

[0008] Therefore, compared to the conventional method using laying hardware, manholes, Workability inside the hand hole is greatly improved.

[0009]

【Example】

A preferred embodiment of this invention will be described below with reference to the accompanying drawings.

0010 As shown in Fig. 1, the in-manhole assembly type workbench 1 according to this invention is mainly used for manhole installation. A pedestal 2 installed on the hall floor (not shown) and a support removably provided on the pedestal 2. A cable connection tool 4 etc. is removably installed on the pillar 3 and the top of the pillar 3. It consists of a rail member 5 that is attached to the current location. Pedestal 2 is shown in Figures 2 and 3. As shown in FIG. It is formed with tenons 8 and 9 of different depths. The depth of the tenon 8 of the board 6 is It is formed deeper than the depth of tenon 9 of material 7, and after fitting tenons 8 and 9, one pedestal is formed. 2. However, the manhole floor is currently somewhat uneven. Because the unevenness of the dovetail causes the pedestal 2 to wobble and become unstable, in this invention, each board Height adjustment members 10 are attached to both ends of 6 and 7. The height adjustment member 10 is shown in FIG. 1, screw holes 6a, 7a formed in the plate materials 6, 7 (see FIGS. 2 and 3) The seating member 11 is fixed to the manhole floor by screwing it onto the manhole floor. an adjusting screw member 12 formed with a The lock nut 13 is made up of a lock nut 13.

[0011] The rail member 5 is moved along the longitudinal direction of the mounting part for the cable connection tool 4, etc. It is made of board material that can be used to form the bed surface to make it movable, and one side has a A dovetail groove 14 is formed to allow the cable connection tool 4 to move freely along the longitudinal direction. A stepped portion 15 is provided at one end of the opposite surface to restrict the movement of the tool. It is integrally formed.

0012 Each of the struts 3 according to the present invention is an outer strut member whose cross section is shaped like a rectangular pipe. 16, and an inner support member provided so as to be housed in the outer support member 16 so as to be able to rise and fall freely. 17 and the inner support member 17 pulled out relative to the outer support member 16, It is comprised of a locking means 18 for fixing it at the extended length. locking means 18 is formed on two adjacent surfaces of the outer support member 16 along its longitudinal direction. The elongated hole 19 for sliding and the lower end side of the inner support member 17 and opposite to the elongated hole 19. The screw hole 20 formed in the corresponding part and the elongated hole 19 are passed through and screwed into the screw hole 20. It consists of a knob bolt 21 provided in the same manner as shown in FIG. How to tighten knob bolt 21 When the inner support member 17 is rotated in the direction, the inner support member 17 is pulled toward the outer support member 16. The outer support member 16 is sandwiched and fixed between the seat surface of the inner support member 17 and the outer surface of the inner support member 17. Ru. The outer support member 16 has a dovetail groove 14 and a dovetail groove 14 in order to fix the rail member 5. This is screwed onto the opposing surfaces to create a screw biasing force at the joint of each plate material 6, 7. A lock bolt 23 is attached for use. In addition, the outer support member 16 is , an essential member 24 is attached coaxially and integrally to the base end (lower end) thereof. ing. In order to fit the plate materials 6 and 7 into the lower end of this main member 24, A tenon 25 is formed at the upper end of the outer support member 16 to horizontally hold the rail member 5. A tenon 26 is formed to maintain the fit in position. The essential member 24 is a pedestal. 2 to the outer support member 16 after assembly. The side surface is formed into a hexagonal shape, and a screw is installed between the plates 6 and 7 at the connection part of the plates 6 and 7. A locking bolt 27 for applying the same biasing force is screwed together.

[0013] In this way, the lock bolt 23 and fixing bolt 27 are used to secure the pedestal 2 and rail member 5. The pedestal 2 can be freely separated into plates 6 and 7 by tenons 8 and 9, and the lock can be freely engaged and detached. By making the length of the column 3 telescopic and compact using the lock means 18, it is possible to reduce the size of the narrow space. The in-manhole assembly type according to the present invention does not cause any obstruction to manholes and handholes. The workbench 1 can be transported and assembled at a suitable working position. And then - Attach the cable connection tool 4 etc. to the member 5 and work inside manholes and handholes. can be carried out. Note that the height of the stepped portion 15 is set more appropriately than the height of the plate materials 6 and 7. the width of the plates 6 and 7 is appropriately shorter than the inner width of the outer support member 16, As shown in FIG. 4, the height adjustment member 10 is removed from the plate materials 6 and 7 and the and housed in the above-mentioned support column 3 in that state, and the outer support member 16 is stored at maximum. When the lock bolt 23 is fully screwed into the storage position, the compact It can be carried as a unit.

[0014] By the way, the cable connection tool 4 and other work tools are attached to the rail member 5. For this purpose, the fixture 28 has an engaging portion that slidably engages with the rail member 5. 29 and for vertically mounting the mounting rod 30 of the cable connection tool 4. hole 31, the height of which can be freely adjusted with a rail lock bolt 32. It is configured to In addition, to further improve the efficiency of cable connection work. , the rail member 5 opposite to the cable connecting tool 4 has a dovetail groove 14 that engages with the dovetail groove 14. The covered wire 3 of the cable 34 has a bolt 33 for rail locking. A cable gripping tool 37 integrally having a metal fitting 36 for gripping the cable 5 is attached. It is being

[0015] The material of each part constituting the workbench 1 may be any material with appropriate strength. It is sufficient if the material is ferrous or non-ferrous. In addition, the above-mentioned pillar 3 is It is not limited to the two-stage expandable structure, but can also be used as a three-stage or four-stage structure. It may be configured to better accommodate hand holes of different depths. in this case , a screw hole 20 is formed in the inner support member, and a long hole 2 is formed in all the outer support members. 6 is of course formed. In addition, the cable connection tool 4 and the cable Two or more sets of rail grippers 37 are attached to the rail member 5 to improve work efficiency. Of course, it is also possible to do so.

[0016]

[Effect of the idea]

As is clear from the above explanation, this invention has the following excellent effects: Demonstrate.

[0017] (1) It is possible to carry items into and out of narrow manholes and handholes without any hindrance. Since it can be installed in a suitable working position, work efficiency can be improved and the quality of work can be improved. Ru.

[0018] (2) The desired tool height can be adjusted for hand holes of different heights.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a preferred embodiment of this invention.

FIG. 2 is a plan view showing the shape of a plate forming the pedestal.

FIG. 3 is a plan view showing the shape of a plate forming the pedestal.

FIG. 4 is a partial sectional view showing the packaged state of the workbench.

[Explanation of symbols]

1 Workbench inside the manhole 2 pedestal 3 Pillar 4 Cable connection tool 5 Rail members 16 Outer support member 17 Inner support member

Claims (1)

[Scope of utility model registration request] [Claim 1] A pedestal installed on the manhole floor, a column removably provided on the pedestal, and a column removably provided on the top of the column for detachably attaching a cable connection tool, etc. A manhole assembly type workbench equipped with a rail member, characterized in that the manhole is formed from an outer support member and an inner support member that can be fitted into each other so that the support support is expandable and retractable. Internal assembly workbench.