CN213597674U

CN213597674U - Roller type safety fence net folding and unfolding frame for overhauling site

Info

Publication number: CN213597674U
Application number: CN202022191968.0U
Authority: CN
Inventors: 高原; 张磊; 杜娟; 贾文弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-02
Anticipated expiration: 2030-09-30

Abstract

The utility model belongs to the technical field of electric power overhaul equipment, in particular to a roller type safety fence net folding and unfolding frame for an overhaul site, which comprises a base, 4 universal wheels, a ground anchor rod and a rotary folding and unfolding mechanism; the rotary retraction jack comprises a core rod, 2 bearings, an insulating pull rod, a fixed disc, a double-plug pipe clamp and 2 single-plug pipe clamps; 2 bearings are sleeved on the upper part and the lower part of the core rod and are arranged in the insulating pull rod; the double-plug pipe clamp is fixed on the upper part of the insulating pull rod, and 2 single-plug pipe clamps are fixed on the upper part and the lower part of the insulating pull rod; the fixed disc is provided with a circular hole, the bottom of the fixed disc is provided with a sleeve, and the sleeve is sleeved at the top end of the insulating pull rod; 4 universal wheels are fixed at the bottom end of the base, a threaded sleeve is welded in a central hole of the base, and the core rod is arranged on the threaded sleeve; the top of ground stock is equipped with the screw thread, and its bottom is the toper, and ground stock installs on the nut. The net winding operation is simple, safe and reliable, the labor is saved, and the winding and unwinding efficiency is improved.

Description

Roller type safety fence net folding and unfolding frame for overhauling site

Technical Field

The utility model belongs to the technical field of electric power overhauls equipment, concretely relates to a roller type safety barrier net receive and releases frame for overhauing scene.

Background

At the electric power equipment maintenance site, when carrying out high-voltage test, need set up safety fence net around the equipment tested, prevent the emergence of incident. Generally, the length of the fence net used for a 110 kv substation is about 600 meters, and the length of the fence net used for a 35 kv substation is about 100 meters. At the maintenance site, the winding and unwinding modes of the safety fence nets are time-consuming and labor-consuming, the winding and unwinding efficiency is low, and especially the net winding can be completed only by the cooperation of a plurality of people. When the fence net is collected, the fence net needs to be placed on the ground, one person or two persons crouch on the ground to roll the net from one end, the other persons stretch the flat conveying net in a matching way, the fence net rolled by about 100 meters needs at least 1 hour, the net is collected, time and labor are wasted, and manpower is wasted. In addition, in the process of collecting the net, the fence net laid on the ground is easy to trip down and hurt the workers. And when the net is collected in high-temperature weather, the guardrail net is rolled up by squatting on the ground for a long time, so that the people are easy to syncope, and potential safety hazards exist. Therefore, a roller type safety fence net folding and unfolding frame which is time-saving, labor-saving, safe and reliable and used for overhauling a site is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a labour saving and time saving and safe and reliable's a roller type safety barrier net receive and releases frame for overhauing scene. The fence net is folded and unfolded through rotation of the vertical rotary folding and unfolding mechanism, operation is simple and convenient, labor is saved, and folding and unfolding efficiency is improved. Safe and convenient, low cost, economy and applicability, and easy popularization and use on a large scale.

The utility model adopts the technical proposal that: a roller type safety fence net retractable frame for a maintenance site comprises a base, 4 universal wheels, a ground anchor rod and a rotary retractable mechanism; the rotary retraction jack comprises a core rod, 2 bearings, an insulating pull rod, a fixed disc, a double-plug pipe clamp and 2 single-plug pipe clamps; the 2 bearings are sleeved on the upper part and the lower part of the core rod, the inner hole of each bearing is in interference fit with the core rod, each bearing is installed in the insulating pull rod, and each bearing is in interference fit with the insulating pull rod; the double-plug pipe clamp is fixed on the upper part of the insulating pull rod, pipe inserting joints are arranged on two sides of the double-plug pipe clamp, and nylon rotary rods are inserted in the pipe inserting joints; the 2 single plug pipe clamps are fixed at the upper part and the lower part of the insulating pull rod, one side of each single plug pipe clamp is provided with an insertion pipe joint, and a nylon stranded rod is inserted in the insertion pipe joint; the fixed disc is provided with circular holes which are uniformly distributed on the circumference, the bottom of the fixed disc is provided with a sleeve, the top of the sleeve is provided with a convex edge, and the sleeve is sleeved on the top end of the insulating pull rod; the 4 universal wheels are fixed at the bottom end of the base, a threaded sleeve is welded in a central hole of the base, and the core rod is installed on the threaded sleeve through threads at the bottom end of the core rod; the top of ground stock is equipped with the screw thread, and its bottom is the toper, and ground stock installs on the nut, and the nut welding is on the base.

Furthermore, the number of the bearings is 3, one of the bearings is arranged at the upper part of the insulating pull rod, and the other two bearings are arranged at the lower part of the insulating pull rod.

Furthermore, the top end of the core rod is milled with planes which are symmetrically distributed.

Further, symmetrically distributed grooves are milled below the threads of the ground anchor rod.

Further, the universal wheel is fixed at the bottom end of the base through welding or bolts.

Further, the number of the round holes in the fixed disc is at least 2.

Furthermore, the sleeve of the fixed disk is in interference fit with the insulating pull rod.

Further, the rotary retraction mechanism is at least 3 sets.

This neotype beneficial effect: the roller type safety fence net folding and unfolding frame is time-saving, labor-saving, safe and reliable and is used for overhauling a site. The fence net is folded and unfolded through rotation of the vertical rotary folding and unfolding mechanism, operation is simple and convenient, labor is saved, and folding and unfolding efficiency is improved. Safe and convenient, low cost, economy and applicability, and easy popularization and use on a large scale. When the fence net is folded and unfolded on the overhaul site, the folding and unfolding of the fence net can be completed only by the cooperation of two persons, the folding and unfolding are time-saving and labor-saving, and the potential safety hazard is eliminated. The retracting and releasing of the fence net with the length of about 100 meters is not more than 30 minutes, and the retracting and releasing efficiency is improved.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic structural view of a core rod according to a first embodiment;

FIG. 3 is a schematic structural view of a ground anchor according to an embodiment;

FIG. 4 is a schematic top view of a dual plug ferrule according to an embodiment;

FIG. 5 is a schematic top view of a single male pipe clamp according to a first embodiment;

FIG. 6 is a schematic bottom view of a fixing plate according to an embodiment;

FIG. 7 is a schematic top view of an insulated pull rod according to an embodiment;

FIG. 8 is a schematic view of the second embodiment;

FIG. 9 is a schematic structural diagram of the third embodiment.

The specific implementation mode is as follows:

example one

Referring to fig. 1-7, a roller type safety fence net retracting and releasing frame for an overhaul site comprises a base 2, 4 universal wheels 1, an earth anchor rod 13 and a rotary retracting and releasing mechanism; the rotary retraction jack comprises a

core rod

10, 2 bearings 7, an insulating pull rod 11, a fixed disc 6, a double-

plug pipe clamp

5 and 2 single-plug pipe clamps 4; the 2 bearings 7 are sleeved on the upper part and the lower part of the core rod 10, the inner hole of each bearing 7 is in interference fit with the core rod 10, each bearing 7 is installed in the insulating pull rod 11, and each bearing 7 is in interference fit with the insulating pull rod 11; the double-plug pipe clamp 5 is fixed on the upper part of the insulating pull rod 11, the two sides of the double-plug pipe clamp 5 are provided with pipe inserting joints 17, and nylon rotary rods 8 are inserted into the pipe inserting joints 17; the 2 single plug pipe clamps 4 are fixed at the upper part and the lower part of the insulating pull rod 11, one side of each single plug pipe clamp 4 is provided with an insertion pipe joint 17, and a nylon stranded rod 9 is inserted in each insertion pipe joint 17; the fixed disk 6 is provided with circular holes 18 uniformly distributed on the circumference, the bottom of the fixed disk 6 is provided with a sleeve 19, the top of the sleeve 19 is provided with a convex edge 20, and the sleeve 19 is sleeved on the top end of the insulating pull rod 11; the 4 universal wheels 1 are fixed at the bottom end of the base 2, a threaded sleeve 12 is welded in a central hole of the base 2, and the core rod 10 is installed on the threaded sleeve 12 through threads 15 at the bottom end of the core rod; the top end of the ground anchor rod 13 is provided with threads 15, the bottom end of the ground anchor rod is conical, the ground anchor rod 13 is arranged on the nut 3, and the nut 3 is welded on the base 2; the top end of the core rod 10 is milled with symmetrically distributed planes 14; symmetrically distributed grooves 16 are milled below the threads 15 of the ground anchor rod 13; the universal wheel 1 is fixed at the bottom end of the base 2 through welding or bolts; the number of the round holes 18 on the fixed disc 6 is at least 2; the sleeve 19 of the fixed disc 6 is in interference fit with the insulating pull rod 11; the number of the rotary retraction jack is at least 3.

Taking a rolling safety fence net as an example, the retractable frame is pushed to a designated place through the universal wheels, the fence net is vertically supported when the net is retracted, and the meshes on the upper part and the lower part of one end of the net are respectively hung on the nylon twisted rods which are distributed up and down. One person holds the nylon rotating rod to rotate the whole rotary retracting mechanism, the bearing drives the insulating pull rod to rotate, and the other person is responsible for stretching and pulling the guardrail net, so that the guardrail net is stretched flatly in the vertical direction as much as possible, and the quality of the rolled net is guaranteed. When a piece of net is rolled up to the tail end, the rope at the tail end of the guardrail net is tied to the round hole of the fixed disc, and the net is prevented from being scattered. After a piece of net is collected, the shifting wrench is clamped on the plane at the top end of the core rod, the core rod is rotated, and the whole rotary collecting and releasing mechanism and the collected net roll are detached, collected and stored. And then another set of rotary retraction and extension mechanism is arranged on the threaded sleeve of the base, and the second piece of guardrail net is continuously wound. When the net is put or pulled, one person only needs to stretch one end of the guardrail net, and the other person assists to rotate the retractable frame to finish net putting. The roller type safety fence net folding and unfolding frame is small in occupied area, perpendicular to the ground during application, detachable during storage, convenient to disassemble and assemble and labor-saving, and capable of moving by 360 degrees. Safe and reliable, operating handle and rotating portion adopt insulating fiber stick, nylon stick or the insulating material of epoxy that dielectric strength is high, and main part and base can be dismantled.

The double-plug pipe clamp and the single-plug pipe clamp can adopt pipe clamps with plugs sold in the market, also can purchase pipe clamps without plugs, and the pipe plugs are processed or purchased and welded on the pipe clamps. The insulating pull rod is made of epoxy resin insulating materials, can be selected from insulating pull rods discarded by a substation, and is energy-saving and environment-friendly. The core rod is made of stainless steel or white steel materials, so that the core rod is rust-proof and durable. The universal wheels are preferably universal wheels or caster wheels with braking function produced by Dongyui caster Co., Ltd, Huiyi caster Co., Ltd, Dongguan Chashui caster Co., Ltd, Nanpi county Crystal flower caster manufacturing Co., Ltd, Yuanshan district Ming Yuan caster factory in Linyi City, Yun Yizhen mechanical equipment Co., Ltd, Heishui lake New district Longfu caster factory, Weike metal product factory in Zhongshan City, flying caster factory in Zhongshan City and Aushui caster product Co., Ltd.

Example two

Referring to fig. 8, on the basis of the technical scheme of the embodiment, when the storage place is an outdoor uneven sand ground, the base is unstable due to uneven ground in the process of storing and releasing the fence net, and the storage frame is prone to toppling. At the moment, the ground anchor rod is detached and screwed at the bottom of the threaded sleeve, the movable wrench can be used for clamping and screwing on the groove, and then the ground anchor rod is inserted into the ground, so that the whole retractable frame is more stable.

EXAMPLE III

Referring to fig. 9, on the basis of the first technical solution of the embodiment, the number of the bearings is 3, one of the bearings is disposed on the upper portion of the insulating pull rod, and the other two bearings are disposed on the lower portion of the insulating pull rod. The use of 3 bearings can make the insulating pull rod more stable in the process of rotating.

Claims

1. The utility model provides a roller type safety barrier net receive and releases frame for overhauing on-spot which characterized in that: the retractable frame comprises a base (2), 4 universal wheels (1), an earth anchor rod (13) and a rotary retractable mechanism; the rotary retraction jack comprises a core rod (10), 2 bearings (7), an insulating pull rod (11), a fixed disc (6), a double-plug pipe clamp (5) and 2 single-plug pipe clamps (4); the 2 bearings (7) are sleeved on the upper portion and the lower portion of the core rod (10), inner holes of the bearings (7) are in interference fit with the core rod (10), the bearings (7) are installed in the insulating pull rod (11), and the bearings (7) are in interference fit with the insulating pull rod (11); the double-plug pipe clamp (5) is fixed on the upper part of the insulating pull rod (11), two sides of the double-plug pipe clamp (5) are provided with pipe inserting connectors (17), and nylon rotary rods (8) are inserted into the pipe inserting connectors (17); the 2 single-plug pipe clamps (4) are fixed on the upper part and the lower part of the insulating pull rod (11), one side of each single-plug pipe clamp (4) is provided with an insertion pipe joint (17), and a nylon stranded rod (9) is inserted into each insertion pipe joint (17); round holes (18) are uniformly distributed on the circumference of the fixed disc (6), a sleeve (19) is arranged at the bottom of the fixed disc (6), a convex edge (20) is arranged at the top of the sleeve (19), and the sleeve (19) is sleeved at the top end of the insulating pull rod (11); the 4 universal wheels (1) are fixed at the bottom end of the base (2), a threaded sleeve (12) is welded in a central hole of the base (2), and the core rod (10) is installed on the threaded sleeve (12) through threads (15) at the bottom end of the core rod; the top of ground stock (13) is equipped with screw thread (15), and its bottom is the toper, and ground stock (13) is installed on nut (3), and nut (3) welds on base (2).

2. The roller type safety fence net retracting frame for the overhaul site as claimed in claim 1, wherein: the number of the bearings (7) is 3, one of the bearings is arranged at the upper part of the insulating pull rod (11), and the other two bearings are arranged at the lower part of the insulating pull rod (11).

3. A roller type safety fence net retracting frame for use in an overhaul site as claimed in claim 1 or 2, wherein: the top end of the core rod (10) is milled with planes (14) which are symmetrically distributed.

4. A roller type safety fence net retracting frame for use in an overhaul site as claimed in claim 1 or 2, wherein: symmetrically distributed grooves (16) are milled below the threads (15) of the ground anchor rod (13).

5. A roller type safety fence net retracting frame for use in an overhaul site as claimed in claim 1 or 2, wherein: the universal wheel (1) is fixed at the bottom end of the base (2) through welding or bolts.

6. A roller type safety fence net retracting frame for use in an overhaul site as claimed in claim 1 or 2, wherein: the number of the round holes (18) on the fixed disc (6) is at least 2.

7. A roller type safety fence net retracting frame for use in an overhaul site as claimed in claim 1 or 2, wherein: the sleeve (19) of the fixed disc (6) is in interference fit with the insulating pull rod (11).

8. A roller type safety fence net retracting frame for use in an overhaul site as claimed in claim 1 or 2, wherein: the number of the rotary retraction jack is at least 3.