CN218346728U

CN218346728U - Rail guard is used in circuit maintenance

Info

Publication number: CN218346728U
Application number: CN202222684264.6U
Authority: CN
Inventors: 李林芳; 李岩; 靳欣; 靳立伟
Original assignee: State Grid Henan Electric Power Co Xiuwu County Power Supply Co
Current assignee: State Grid Henan Electric Power Co Xiuwu County Power Supply Co
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-01-20
Anticipated expiration: 2032-10-10

Abstract

The utility model belongs to the technical field of high altitude construction equipment, a rail guard is used in circuit maintenance is related to, including guardrail and lift platform, lift platform includes the bottom plate, cut the fork support frame, hand formula drive assembly, roof and telescopic link, bottom plate below equipartition has four walking wheels of taking the brake, cut fork support frame collapsible connection between bottom plate and roof, hand formula drive assembly connects on the bottom plate and is connected with cutting fork support frame transmission, it realizes folding or expansion through hand formula drive assembly to cut the fork support frame, the stiff end symmetric connection of four telescopic links is at the top of bottom plate, and the expansion end of four telescopic links corresponds the below of connecting in four bights of roof respectively, be equipped with the retaining member on the telescopic link, the guardrail encloses to be established around the roof, one side of guardrail is equipped with the guardrail door that can open and shut, the lateral part of roof is equipped with the staircase couple. The device is convenient to operate, good in stability, high in safety, low in manufacturing cost, convenient for people to go up and down and beneficial to popularization and application.

Description

Rail guard is used in circuit maintenance

Technical Field

The utility model belongs to the technical field of high altitude construction equipment, specifically speaking relates to a rail guard is used in circuit maintenance.

Background

When maintenance personnel maintain the overhead line, safety protection needs to be provided for operating personnel through the liftable protective guard. The pull-plug type aerial work platform guardrail disclosed in the Chinese patent document CN105236325A comprises a platform, screw holes, guardrails, nuts and a steel shaft; the edge of the platform is provided with a screw hole, the bottom of the guardrail is welded with a steel shaft, and the steel shaft is inserted into the screw hole of the platform and is fixed through a nut; this scheme can protect staff's safety, reduces the space that the guardrail occupy, improves aerial working platform's suitability.

However, the lifting structure of the existing guard rail is driven by a hydraulic mechanism, so that the manufacturing cost is high, and when an operator works on the edge or the end of the working platform of the guard rail, the stability is poor, certain potential safety hazards exist, and in addition, the existing device is inconvenient for the operator to go up and down, and is not suitable for popularization and application.

Therefore, improvements are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the above-mentioned not enough, provide a rail guard is used in circuit maintenance.

The utility model provides a technical scheme as follows:

the utility model provides a rail guard is used in circuit maintenance, includes guardrail and lift platform, lift platform includes the bottom plate, cuts fork support frame, hand formula drive assembly, roof and telescopic link, bottom plate below equipartition has four walking wheels of taking the brake, cut fork support frame folding joint between bottom plate and roof, hand formula drive assembly connect on the bottom plate and with cut fork support frame transmission and be connected, cut the fork support frame and realize folding or expand through hand formula drive assembly, the stiff end symmetric connection of four telescopic links is at the top of bottom plate, and the expansion end of four telescopic links corresponds the below of connecting in four bights of roof respectively, be equipped with the retaining member on the telescopic link, the guardrail encloses to be established around the roof, and one side of guardrail is equipped with the guardrail door that can open and shut, the lateral part of roof is equipped with the staircase couple, the staircase couple corresponds to set up in the below of guardrail door, can dismantle on the staircase couple and have been linked up the staircase.

Preferably, the top parallel arrangement of bottom plate has two drive grooves, the bottom parallel arrangement of roof has two sliding tray that correspond with the drive groove, all is equipped with a slide bar in every sliding tray, cut the top of fork support frame through two sets of top blocks and two slide bar sliding connection, hand formula drive assembly includes two threaded rods, and two threaded rods rotate respectively and connect in two drive grooves, and the both ends correspondence of every threaded rod is provided with forward screw thread section and reverse screw thread section, and the forward screw thread section and the reverse screw thread section of every threaded rod have a lower slider respectively threaded connection, and four lower slider correspond and articulate in the bottom of cutting the fork support frame, and four lower sliders and four upper sliders correspond the setting from top to bottom one by one, the spout has been seted up to the bottom of lower slider, the bottom of drive groove is equipped with slide rail with spout sliding fit, two the corresponding one end of threaded rod runs through to the same one side of bottom plate respectively, and two stretches out the outer one end of bottom plate and pass through the drive assembly transmission connection, and one of them threaded rod keeping away from the drive groove is equipped with the rocking wheel. Wave and shake the wheel, under drive assembly's drive, make two threaded rods corotation in step or reversal to two lower sliders on every threaded rod of drive are close to each other or are kept away from along the slide rail, thereby the drive is cut fork support frame and is expanded or fold, in order to adjust lift platform's height according to the position of circuit, and this device shakes the wheel through manual shaking and adjusts, helps reducing equipment input, and improves the security of operation.

Preferably, the transmission assembly comprises synchronous pulleys respectively arranged on the two threaded rods, and the two synchronous pulleys are connected through a synchronous belt transmission.

Preferably, still be equipped with the positioning disk on the threaded rod that is equipped with rocking wheel, the positioning disk is located the bottom plate outside, and the equipartition has a plurality of locating holes on the outer disc of positioning disk, it is provided with locating component to correspond on the lateral wall of bottom plate, locating component is including fixing the fixing base on the bottom plate lateral wall, sliding connection has the locating lever on the fixing base, the top and the locating hole cooperation of locating lever are connected, and the bottom of locating lever is equipped with the drawing disk, the lower pot head of locating lever is equipped with the spring, the both ends of spring respectively with fixing base and drawing disk fixed connection, when adjusting lift platform height, pull the drawing disk earlier, make the locating lever break away from the locating hole to rock the rocking wheel, after the adjustment takes one's place, loosen the drawing disk, the locating lever inserts under the reset action of spring in the locating hole that corresponds to lock the threaded rod, improve the stability and the security of lift platform in-process.

Preferably, the telescopic link includes a fixed section of thick bamboo and the movable rod of sliding connection in a fixed section of thick bamboo, a fixed section of thick bamboo is fixed on the bottom plate, the retaining member adopts tight set nut, tight set nut threaded connection is on the lateral wall of a fixed section of thick bamboo, and tight set nut extends the one end in a fixed section of thick bamboo and contradicts with the movable rod to be connected. The telescopic link can be adjusted according to the height of lift platform in a flexible way, after lift platform adjustment targetting in place, carries on spacingly through the retaining member to the telescopic link, through the setting of telescopic link, has improved the stability of supporting the roof.

Preferably, one side of the guardrail door is hinged with the guardrail through a hinge, the other side of the guardrail door is connected with a bolt in a sliding mode, and a pin hole matched with the bolt is correspondingly formed in the guardrail. The structure is convenient to operate, and operating personnel can conveniently get in and out of the guardrail.

The utility model discloses still include other equipment or subassembly that can make its normal use, these equipment or subassembly all adopt conventional technical means in this field. Additionally, the utility model discloses in add the device of injecing and the conventional technological means in this field is all adopted to the subassembly, all adopt prior art like the walking wheel of cutting fork support frame, area brake etc. no longer describe here.

When this device uses, remove the device through the walking wheel and treat the below of maintenance line, then the locking is died and is taken turns the preventing device and slide, loosen the retaining member on the telescopic link, according to the height of circuit, expand the operation to cutting fork formula support frame through hand formula drive assembly, make the roof adjust the operation position, then screw up the retaining member, the height of fixed telescopic link, hang the top of staircase on the staircase couple, and the bottom slope that makes the staircase supports subaerial, then climb up the roof through the staircase, close and fix the guardrail door and can carry out the circuit maintenance operation, roof guardrail all around is used for carrying out safety protection to the operation personnel.

Compared with the prior art, the utility model discloses the beneficial effect who gains is: the device is convenient to operate, good in stability, high in safety, low in manufacturing cost and convenient for people to go up and down, and is favorable for popularization and application.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention in the embodiment.

Fig. 2 is a schematic top view of the bottom plate and the hand-operated driving assembly according to the embodiment of the present invention.

Fig. 3 is an enlarged schematic view of the structure of the G portion in fig. 1.

Detailed Description

The technology of the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Example (b):

as shown in fig. 1-3, the utility model provides a pair of rail guard is used in circuit maintenance, including guardrail 1 and lift platform, lift platform includes bottom plate 2, cuts fork support frame 3 (cut fork support frame 3 and can adopt the same support frame structure on the cut fork lift platform of the production of economic benefits hydraulic machinery limited company of denying, this part is prior art, and this article no longer specifically describe), hand formula drive assembly, roof 4 and telescopic link 5, 2 below equipartitions of bottom plate have four walking wheels 6 of taking the brake, cut fork support frame 3 collapsible connection between bottom plate 2 and roof 4, hand formula drive assembly connects on bottom plate 2 and is connected with cut fork support frame 3 transmission, cut fork support frame 3 and realize folding or expand through hand formula drive assembly, and the stiff end symmetric connection of four telescopic links 5 is at the top of bottom plate 2, and the expansion end of four telescopic links 5 corresponds the below of connecting in four bights of roof 4 respectively, be equipped with retaining member 7 on telescopic link 5, guardrail 1 encloses around roof 4, and one side of guardrail 1 is equipped with the guardrail door 8 that can open and open, the guardrail 4's lateral part is equipped with the couple 9, the staircase couple 9 corresponds the staircase and has set up and has connect the staircase and has the couple 10 and has the handrail door can dismantle the couple.

In this implementation, please refer to fig. 1 and 2, two driving grooves 11 are arranged in parallel at the top end of the bottom plate 2, two sliding grooves 12 corresponding to the driving grooves 11 are arranged in parallel at the bottom of the top plate 4, a sliding rod 13 is arranged in each sliding groove 12, the top end of the scissor type support frame 3 is in sliding connection with the two sliding rods 13 through two sets of upper sliding blocks 14, the hand-operated driving assembly comprises two threaded rods 15, the two threaded rods 15 are respectively rotatably connected in the two driving grooves 11, two ends of each threaded rod 15 are correspondingly provided with a forward threaded section and a reverse threaded section, the forward threaded section and the reverse threaded section of each threaded rod 11 are respectively in threaded connection with a lower sliding block 16, the four lower sliding blocks 16 are correspondingly hinged at the bottom of the scissor type support frame 3, the four lower sliding blocks 16 are respectively and vertically and correspondingly arranged with the four upper sliding blocks 14 one by one another, a sliding groove is formed in the bottom of the lower sliding block 16, a sliding rail 17 in sliding fit with the sliding groove is arranged at the bottom of the driving groove 11, one end of each threaded rod 15 is respectively penetrated to the same side of the bottom plate 2, one end of the two threaded rods 15 is connected through a transmission assembly, and one end of the threaded rod 15 is provided with a driving wheel 18. Rocking wheel 18 is waved, under drive assembly's drive, makes two threaded rods 15 synchronous corotation or reversal to two lower sliders 16 on every threaded rod 15 of drive are close to each other or are kept away from along the slide rail, thereby the drive is cut fork support frame 3 and is expanded or folding, with the height of position adjustment lift platform according to the circuit, and this device is waved rocking wheel 18 through the manual and is adjusted, helps reducing equipment to drop into, and improves the security of operation.

In particular, with reference to fig. 2, the transmission assembly comprises two timing pulleys 19 respectively arranged on the two threaded rods 15, the two timing pulleys being drivingly connected by a timing belt 20.

In a further improvement, referring to fig. 3, a positioning disc 21 is further disposed on the threaded rod 15 having the rocking wheel 18, the positioning disc 21 is disposed on the outer side of the bottom plate 2, a plurality of positioning holes 22 are uniformly distributed on the outer circumferential surface of the positioning disc 21, a positioning assembly is correspondingly disposed on the side wall of the bottom plate 2, the positioning assembly includes a fixing seat 23 fixed on the side wall of the bottom plate 2, a positioning rod 24 is slidably connected on the fixing seat 23, the top end of the positioning rod 24 is connected with the positioning holes 22 in a matching manner, a pull disc 25 is disposed at the bottom of the positioning rod 24, a spring 26 is sleeved at the lower end of the positioning rod 24, two ends of the spring 26 are respectively fixedly connected with the fixing seat 23 and the pull disc 25, when the height of the lifting platform is adjusted, the pull disc 25 is pulled first to separate the positioning rod 24 from the positioning holes 22 so as to rock the rocking wheel 18, after the positioning rod is adjusted in position, the pull disc 25 is released, and the positioning rod 24 is inserted into the corresponding positioning hole 22 under the restoring action of the spring 26, so as to lock the threaded rod 15, thereby improving the stability and the safety of the lifting platform during the operation.

In this embodiment, please refer to fig. 1, the telescopic rod 5 includes a fixed cylinder and a movable rod slidably connected in the fixed cylinder, the fixed cylinder is fixed on the bottom plate 2, the locking member 7 is a fastening nut, the fastening nut is screwed on a side wall of the fixed cylinder, and one end of the fastening nut extending into the fixed cylinder is abutted against the movable rod. The telescopic link 5 can be adjusted according to the height of lift platform in a flexible way, after the lift platform adjusts to target in place, carries out spacingly to telescopic link 5 through retaining member 7, through the setting of telescopic link 5, has improved the stability of supporting roof 4.

In a further improvement, referring to fig. 1, one side of the guardrail door 8 is hinged to the guardrail 1 through a hinge, the other side is connected to a bolt in a sliding manner, and the guardrail 1 is correspondingly provided with a pin hole (not shown) matching with the bolt. The structure is convenient to operate, and operating personnel can conveniently get in and out of the guardrail.

When this device uses, remove the device through walking wheel 6 and treat the below of maintenance circuit, then 6 preventing device slips of locking walking wheel, loosen retaining member 7 on telescopic link 5, height according to the circuit, expand the operation to cutting fork formula support frame 3 through hand formula drive assembly, make roof 4 adjust the operation position, then tighten retaining member 7, the height of fixed telescopic link 5, hang to staircase couple 9 with the top of staircase 10 on, and make the bottom inclined support of staircase 10 subaerial, then climb up roof 4 through staircase 10, close and fix guardrail door 8 and can carry out the circuit maintenance operation, roof 4 guardrail 1 all around is used for carrying out safety protection to the operation personnel.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rail guard is used in circuit maintenance, includes guardrail and lift platform, its characterized in that: lifting platform includes the bottom plate, cuts fork support frame, hand formula drive assembly, roof and telescopic link, bottom plate below equipartition has four walking wheels of taking the brake, cut fork support frame folding joint between bottom plate and roof, hand formula drive assembly connect on the bottom plate and be connected with cutting fork support frame transmission, cut the fork support frame and realize folding or expand through hand formula drive assembly, the stiff end symmetric connection of four telescopic links is at the top of bottom plate, and the expansion end of four telescopic links corresponds the below of connecting in four bights of roof respectively, be equipped with the retaining member on the telescopic link, the guardrail encloses to be established around the roof, and one side of guardrail is equipped with the guardrail door that can open and shut, the lateral part of roof is equipped with the staircase couple, the staircase couple corresponds to set up in the below of guardrail door, can dismantle on the staircase couple and have articulated the staircase.

2. The protective guard for line maintenance according to claim 1, wherein: the top parallel arrangement of bottom plate has two drive grooves, the bottom parallel arrangement of roof has two sliding tray that correspond with the drive groove, all is equipped with a slide bar in every sliding tray, cut the top of fork support frame through two sets of top sliders and two slide bar sliding connection, hand formula drive assembly includes two threaded rods, and two threaded rods rotate respectively and connect in two drive grooves, and the both ends correspondence of every threaded rod is provided with forward screw thread section and reverse screw thread section, and the forward screw thread section of every threaded rod and reverse screw thread section threaded connection have a lower slider respectively, and four lower slider correspondences articulate the bottom at the fork support frame, and four lower sliders and four upper sliders correspond the setting from top to bottom one by one, the spout has been seted up to the bottom of lower slider, the bottom of drive groove be equipped with spout sliding fit's slide rail, two the corresponding one end of threaded rod runs through to the same one side of bottom plate respectively, and two stretches out the outer one end of bottom plate and pass through the drive assembly transmission connection, and the one end that drive groove was kept away from to one of them threaded rod is equipped with the rocking wheel.

3. The protective guard for line maintenance according to claim 2, wherein: the transmission assembly comprises synchronous belt pulleys respectively arranged on the two threaded rods, and the two synchronous belt pulleys are connected through synchronous belt transmission.

4. A guard rail for line maintenance as claimed in claim 2 or 3, wherein: still be equipped with the positioning disk on the threaded rod with rocking wheel, the bottom plate outside is located to the positioning disk, and the equipartition has a plurality of locating holes on the outer disc of positioning disk, it is provided with locating component to correspond on the lateral wall of bottom plate, locating component is including fixing the fixing base on the bottom plate lateral wall, sliding connection has the locating lever on the fixing base, the top and the locating hole cooperation of locating lever are connected, and the bottom of locating lever is equipped with the drawing dish, the lower pot head of locating lever is equipped with the spring, the both ends of spring respectively with fixing base and drawing dish fixed connection.

5. The protective guard for line maintenance according to claim 1, wherein: the telescopic link includes solid fixed cylinder and the movable rod of sliding connection in solid fixed cylinder, gu fixed cylinder fixes on the bottom plate, the retaining member adopts tight set nut, tight set nut threaded connection is on solid fixed cylinder's lateral wall, and tightly decides the one end that the nut extends in the solid fixed cylinder and contradict with the movable rod and be connected.

6. The protective guard for line maintenance according to claim 1, wherein: one side of the guardrail door is hinged with the guardrail through a hinge, the other side of the guardrail door is connected with a bolt in a sliding mode, and a pin hole matched with the bolt is correspondingly formed in the guardrail.