CN204073178U - High-altitude roofing fall-proof guide rails and anti-fall dolly - Google Patents
High-altitude roofing fall-proof guide rails and anti-fall dolly Download PDFInfo
- Publication number
- CN204073178U CN204073178U CN201420524501.5U CN201420524501U CN204073178U CN 204073178 U CN204073178 U CN 204073178U CN 201420524501 U CN201420524501 U CN 201420524501U CN 204073178 U CN204073178 U CN 204073178U
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- fall
- connection block
- fin
- dolly
- guide rail
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Abstract
The utility model discloses a kind of high-altitude roofing fall-proof guide rails and anti-fall dolly, described guide rail body includes integrated base, Connection Block and auxiliary section, described Connection Block two ends connect base and auxiliary section respectively, described auxiliary section includes fin that two panels is oblique setting and two panels fin is symmetrical arranged about the axial line of Connection Block, described fin respectively and separately towards side Connection Block end face between angle arrange in obtuse angle, described anti-fall dolly is provided with roller and described roller abutted against with coordinating of guide rail, the utility model provides and a kind ofly reduces the high-altitude roofing fall-proof guide rails of frictional force between anti-fall dolly and guide rail and anti-fall dolly, improve the security performance of anti-fall dolly and guide rail simultaneously.
Description
Technical field
The utility model relates to a kind of anti-falling overhead equipment, and more particularly, it relates to a kind of high-altitude roofing fall-proof guide rails and anti-fall dolly.
Background technology
Along with the development in epoch, the height of building also along with the development of science and technology more and more higher, also along with having occurred that so a collection of needs often carry out the staff of work high above the ground in society, work high above the ground usually along with danger, so more tend to fall arrest direction in the development of building roofing these years.
Chinese patent (publication number: CN203291416U) discloses the anti-fall tracker of a kind of trailing type, two blocks of side plates mentioned by this file, the bottom of side plate is fixed with guide pad respectively, two guide pads are oppositely arranged and for suitable with the groove of guide rail, safety rope is fixedly mounted on side plate, when personnel's movement, anti-fall tracker is driven to move with track by safety rope, when personnel slip drop time, instantaneous safety rope applies the life security that active force ensures workmen on anti-fall tracker, from its Figure of description, find out that between guide pad and guide rail, motion is point cantact, following some shortcomings are had in this guide pad and guide rail relative movement:
1, between described guide pad and guide rail, contact area is little, poor for the impact capacity of bearing when meeting accident, and if there is accident, guide pad easily departs from from the groove of guide rail, occurs safety problem;
2, be sliding friction between the two, frictional force is large, if the oblique safety rope of pullling of operator, occurs guide pad extruding guide rail exactly, and then further increases the frictional force between guide pad and guide rail, make workmen more be difficult to pull anti-fall tracker.
Chinese patent (publication number: CN103830859A) discloses a kind of guide tracked drop preventer, the catching device that refer to a kind of guide rail in this file and coordinate with guide rail, described catching device is then embedded in described guide rail, catching device can slide at guide rail interior, although such set-up mode improves security performance, same too increases frictional force, makes in sliding process more inconvenient, and this catching device complex structure, be not easy to manufacture.
Chinese patent (publication number: CN201482022U) discloses a kind of anti-falling overhead guide rail device, track cross-section disclosed in file is made up of " work " the font track on top and bottom " U " type mount pad, reach the benefit that endurance is strong, easy for installation and the scope of application is wide, it has following shortcoming equally:
1, because top is " work " font track, so its mid-plane is horizontal plane, if time corresponding catching device is subject to the side draw of safety rope, catching device is certain to interact with the upper surface of I-shaped track, form resistance friction, have only and could pull more easily along track level pulls time, so this track equally can not side draw catching device easy movement;
2 and the upper surface of I-shaped track shorter, long-term pull catching device to clash into upper surface easily to cause upper surface generation deformation, need often to overhaul, ensure its security, which increase the workload of maintenance, and easily occur safety problem.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is that providing a kind of reduces the high-altitude roofing fall-proof guide rails of frictional force between anti-fall dolly and guide rail and anti-fall dolly, improves the security performance of anti-fall dolly and guide rail simultaneously.
For achieving the above object, the utility model provides following technical scheme: a kind of high-altitude roofing fall-proof guide rails, comprise guide rail body, described guide rail body includes integrated base, Connection Block and auxiliary section, described Connection Block two ends connect base and auxiliary section respectively, described auxiliary section includes fin that two panels is oblique setting and two panels fin is symmetrical arranged about the axial line of Connection Block, described fin all and its towards side end face between be formed with angle, described angle is arranged all in obtuse angle.
The anti-fall dolly that a kind of with described high-altitude roofing fall-proof guide rails matches, include pedestal and be arranged at the clasp on pedestal, described pedestal includes abutting part and is positioned at the installation portion of abutting part both sides, described installation portion to tilt along direction, abutting part side dorsad towards direction, clasp side dorsad all separately, described installation portion is provided with the roller that to abut with auxiliary section and be connected and described roller can be embedded between described auxiliary section and Connection Block formed in angle, described roller to be axially fixed on installation portion and can to rotate in a circumferential direction along its axial line.
By adopting technique scheme, above-mentioned anti-fall dolly is sheathed in guide rail, two side wheels of anti-fall dolly abut against with corresponding auxiliary section respectively, the abutting part of corresponding anti-fall dolly then abuts against with two panels fin and coordinates, for the problem of background technology, first, the auxiliary section of guide rail is designed to the fin that two panels and Connection Block are arranged in obtuse angle by the utility model, if in builder needs the anti-fall dolly of oblique traction on roofing, then anti-fall dolly is according to the position of builder, active force between the fin that another roller of the fin that one of them roller compression abuts with it then abuts with it according to the principle of mechanics reduces, as auxiliary slip, even if side direction draws anti-fall dolly like this, anti-fall dolly still can free slippage smoothly, do not deposit the extruding force from other directions and frictional force that occur because of side direction traction in the prior art.
Secondly, the pass between the roller of described anti-fall dolly and installation portion is that axial restraint rotates in a circumferential direction, so in trailer wagon sliding process, roller can carry out rotation around its axle center, further reduce it and track moves mutually time frictional force.
Finally, if there is accident, time anti-fall dolly is subject to exceeding ordinary tractive force, the fin that one of them roller can abut against with it is formed and contacts closely, and stressed lopsidedness is partial to by anti-fall dolly, corresponding opposite side fin abuts mutually with the abutting part of anti-fall dolly, also form corresponding interface arrangment between the two, thus security performance when double shield occurs unexpected between anti-fall dolly and guide rail.
The utility model is set to further: described fin is connected side and is provided with the first limiting section with Connection Block, and described first limiting section and fin are that L-type is arranged, and described first limiting section tilts along fin to Connection Block towards direction, base side.
By adopting technique scheme, be provided with the first limiting section its mainly for improving security performance when accident appears in this guide rail and anti-fall dolly further, when anti-fall dolly occurs unexpected, just there will be towards unidirectional inclination, according to said above, one of them roller abuts with fin, another fin abuts with abutting part, set up now first limiting section, then another roller just can be connected in the first limiting section, so just, triangle polyester fibre structure can be formed, when further ensure that anti-fall dolly occurs unexpected, can be formed in a kind of rock-steady structure, and can not depart from guide rail.
The utility model is set to further: be provided with concave face between described two fins and described concave face towards direction, base side depression, described concave face is symmetrical arranged about the axial line of described Connection Block.
By adopting technique scheme, because when occurring unexpected, the Impact direction of fin bends towards opposite side fin, concave face is provided with between present two fins, strengthen the shearing stress between two fins, prevent fin to be subject to accidental shock generation deformation, ensure the service life of this guide rail.
The utility model is set to further: be provided with the support portion in triangular shape projection between described Connection Block and base, described support portion is symmetrical set about the axial line of Connection Block.
By adopting technique scheme, change prior art middle guide bottom surface and be generally planar structure, triangular shape props up protruding support portion not only can adapt to rough surface configuration on roofing, facilitate installation, but also the structural strength of guiderail base can be improved, make guide rail have a good stability.
The utility model is set to further: described fin is provided with the second limiting section relative to the end side be connected with Connection Block, and described second limiting section and fin are that L-type is arranged, and described second limiting section is towards base lopsidedness.
By adopting technique scheme, second limiting section departs from away when being then for preventing anti-fall dolly from surprisingly tilting from guide rail, if there is excessive skew in anti-fall dolly, second limiting section can well provide a reverse apical grafting power for anti-fall dolly, make it can be limited between auxiliary section and Connection Block, as the security protection of quadruple.
The utility model is set to further: described Connection Block is provided with mating holes.
By adopting technique scheme, described mating holes is for locating two sections of separate guide rail body, due to the limited length of guide rail body, when needing two sections of separate guide rail body to be interconnected, can practical mating holes, in mating holes, put into round bar, then another section of guide rail body put, ensure that many guide rail body connected after the linearity of entirety.
The utility model is set to further: described abutting part is provided with arc-shaped convex portion towards fin one side end face, and described arc-shaped convex portion is positioned at the center position of described abutting part.
By adopting technique scheme, the capable lug boss of circular arc can abut with on corresponding abutting part, and its position is just in time relative with the center of concave face, and when anti-fall dolly does not move, this lug boss just abuts against with concave face, forms stable structure.
The utility model is set to further: the thickness of the cross section of described roller is not less than 2/3rds of auxiliary section total length.
By adopting technique scheme, ensure the contact surface of roller and auxiliary section, while ensureing that it normally can slide and can not skid, under also improving fortuitous event, the interaction force between roller and mating surface.
The utility model is set to further: described clasp includes buckling parts and two securing rods of U-shaped setting, described abutting part is provided with installing hole, the arragement direction of described two securing rods is identical with the setting direction of described installing hole, described securing rod is arranged in installing hole relative to the opposite side be connected with buckling parts, be provided with bearing pin in described installing hole and described bearing pin along its direction of axis line through described two securing rods, described bearing pin is detachably axially fixed in installing hole.
By adopting technique scheme, what clasp was subject to usually is all pulling force, if clasp is welded on pedestal, easy destruction weld under frequent pulling, coordinating of bearing pin and clasp is adopted in the utility model, bearing pin is utilized to locate clasp, the installation of clasp is carried out in the mode of carrying out bearing pin location, which not only simplifies installation, and the fixed effect that improve between buckling parts and pedestal, avoiding long-term use weld to occur there is situation about destroying in corrosion or Yin Lali, simplifies maintenance work.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model high-altitude roofing fall-proof guide rails and anti-fall dolly embodiment;
Fig. 2 is the guide rail structure schematic diagram of the utility model high-altitude roofing fall-proof guide rails and anti-fall dolly embodiment;
Fig. 3 is the anti-fall dolly installation diagram of the utility model high-altitude roofing fall-proof guide rails and anti-fall dolly embodiment;
Fig. 4 is the front view of the utility model high-altitude roofing fall-proof guide rails and anti-fall dolly embodiment.
Detailed description of the invention
Referring to figs. 1 through Fig. 4, the utility model high-altitude roofing fall-proof guide rails and anti-fall dolly embodiment are described further.
A kind of high-altitude roofing fall-proof guide rails, comprise guide rail body 6, described guide rail body 6 includes integrated base 63, Connection Block 62 and auxiliary section 61, described Connection Block 62 two ends connect base 63 and auxiliary section 61 respectively, described auxiliary section 61 includes fin 65 that two panels is oblique setting and two panels fin 65 is symmetrical arranged about the axial line of Connection Block 62, described fin 65 respectively and separately towards side Connection Block 62 end face between angle arrange in obtuse angle.
The anti-fall dolly 2 that a kind of with described high-altitude roofing fall-proof guide rails matches, include pedestal 21 and be arranged at the clasp 1 on pedestal 21, described pedestal 21 includes abutting part and is positioned at the installation portion 22 of abutting part both sides, described installation portion 22 to tilt along direction, abutting part side dorsad towards direction, clasp 1 side dorsad all separately, described installation portion 22 is provided with the roller 5 that to abut with auxiliary section 61 and be connected and described roller 5 can be embedded between described auxiliary section 61 and Connection Block 62 formed in angle, described roller 5 to be axially fixed on installation portion 22 and can to rotate in a circumferential direction along its axial line.
Described guide rail adopts aluminum alloy materials to make, described guide rail entirety is a symmetrical structure, the support portion of triangular shape projection is provided with on its axle center, described Connection Block 62 is positioned at the peak of support portion, described base 63 is also provided with some triangular shape protruding reinforcing ribs in the both sides of support portion, to ensure the structural strength of base 63.
Described Connection Block 62 one end is connected with the peak place of support portion, the other end is then connected with two panels fin 65, two panels fin 65 is symmetrical arranged about axial line, the shape setting roughly triangular in shape of two panels fin 65, the first limiting section 66 of L-type is provided with between two panels fin 65 and Connection Block 62, relative to the first limiting section 66, the opposite side of two panels fin 65 is provided with the second limiting section 64, define between first limiting section 66 and the second limiting section 64 and coordinate with roller 5 sliding part abutted, angle between described fin 65 and Connection Block 62 is arranged in obtuse angle, optimized angle is 135 °, when side direction is drawn, all can be free to slide between anti-fall dolly 2 under this angle and guide rail, minimum probability occurs clamping situation appears in guide rail and anti-fall dolly 2, anti-fall dolly 2 is under appearance is unexpected, this angle also well can ensure that dolly can not depart from away from guide rail.
The concave face 67 formed between described two panels fin 65 is in triangular shape, such two panels fin 65 can form the relation mutually pullled, improve shearing stress, make the structure of two panels fin 65 more stable, deformation can not be there is because of accident, change the angle of its originally setting, reduce maintenance work.
Described anti-fall dolly 2 is also symmetrical structure accordingly, ultimate range between the abutting part width of its pedestal 21 and two panels fin 65 is suitable, two ends of abutting part are extended respectively installation portion 22, arrange in obtuse angle between installation portion 22 and abutting part, corresponding installation portion 22 is that burnishing surface is arranged and this burnishing surface parallels with the end face of the first limiting section 66 and the second limiting section 64 towards the end face of base 63 side, described installation portion 22 is all provided with standard shaft 4 towards guide rail, standard shaft 4 is provided with roller 5, rolling bearing is provided with between described roller 5 and standard shaft 4, rotating in a circumferential direction with this axial location achieved between roller 5 and standard shaft 4, (this structure is also for the known technology of mechanical personnel, just no longer describe in detail herein, in figure also and not shown corresponding rolling bearing), 5, described roller to be embedded in auxiliary section between the first limiting section 66 and the second limiting section 64 61 and to abut against with auxiliary section 61.
When anti-fall dolly 2 matches with track, be loose fit between anti-fall dolly 2 and guide rail, described anti-fall dolly 2 is by the effect of gravity, the lug boss of the circular arc on abutting part just abuts with concave face 67, two rollers 5 abut respectively with the first corresponding limiting section 66, form rock-steady structure; When anti-fall dolly 2 is subject to the tractive force of builder time, the lug boss of described circular arc has departed from concave face 67, roller 5 and auxiliary section 61 are formed fits closely, now no matter whichaway pulls anti-fall dolly 2, due to the oblique setting of fin 65, so the equal energy of anti-fall dolly 2 is good and fin 65 adjusts angle, reduces frictional force, ensure that anti-fall dolly 2 can be free to slide along all directions.
When occurring fortuitous event, anti-fall dolly 2 is inherently towards lopsidedness, one of them roller 5 forms interaction force with fin 65, roller 5 upwards must be arranged perpendicular to inclined-plane for the active force of fin 65, according to mechanics principle, this power can be decomposed into horizontal component and component vertically upward, horizontal component makes anti-fall dolly 2 compress with on fin 65, component vertically upward then becomes to making anti-fall dolly 2 to depart from slide rail, this time, second limiting section 64 limits the power of anti-fall dolly 2 vertical direction, as the protection that one deck is extra, ensure that anti-fall dolly 2 is stable and between the first limiting section 66 and the second limiting section 64, and the roller 5 of opposite side moves downward due to the inclination of anti-fall dolly 2, roller 5 is then connected in the first limiting section 66 relative to the opposite side end face with installation portion 22, the first limiting section 66 is utilized to form second interface arrangment with roller 5, in addition, contact between the lug boss of circular arc and concave face 67 and the contact between abutting part and fin 65 can assist this anti-fall dolly 2 occurring forming stable location structure with track under fortuitous event, the security performance between this anti-fall dolly 2 and guide rail is all strengthened from all directions, not only make slip more convenient, and ensured security performance.
Roofing can adopt 0.9mm standing seam roof slabs 9, this is also roof boarding the most frequently used in prior art, standing seam roof slabs 9 has standing-seam structure 91, the lock seaming structure of two pieces of adjacent standing seam roof slabs 9 can lock mutually, some pieces then can be combined into whole roofing, an aluminium alloy fixture 8 is all configured with for each standing-seam structure 91, the concrete pattern of aluminium alloy fixture 8 does not limit, only need to reach one end can clamp standing-seam structure 91 other end and be provided with screwed hole 101 for fixing aluminum alloy guide rail, can associate easily to those skilled in the art.
The concrete installation method of described guide rail and anti-fall dolly:
S1: be all provided with two aluminium alloy fixtures 8 corresponding to each standing-seam structure 91, aluminium alloy fixture 8 is fixed on standing seam roof slabs 9 by the cooperation of bolt 7 nut;
S2: aluminum alloy guide rail is layed on aluminium alloy fixture 8, the screwed hole 101 that aluminum alloy guide rail is preset is corresponding with the screwed hole 101 that aluminium alloy fixture 8 is preset, utilize bolt 7 fastening (it should be noted that the distance between two aluminium alloy fixtures 8 should be suitable with the width of aluminum alloy guide rail to the greatest extent herein);
S3: the through hole 23(preset from pedestal 21 by clasp 1 this through hole 23 is connected with installing hole 3 and direction of axis line along installing hole 3 is arranged) middlely to insert, direction of axis line equally along installing hole 3 on the securing rod 12 of described clasp 1 offers mating holes 11, one end on this bearing pin 10 of a bearing pin 10(is provided with screwed hole 101) penetrate installing hole 3, same two mating holes 11 through securing rod 12, complete the location of clasp 1, by the screwed hole 101 of bearing pin 10 upward, finally penetrate a bolt 7 from pedestal 21, be screwed in screwed hole 101, bearing pin 10 is fixed, prevent bearing pin 10 from deviating from, complete the installation of the clasp 1 of anti-fall dolly 2.
S4: entered from the end of guide rail is sheathed by anti-fall dolly 2, finally some have the welding block of limit function on the welding edges of guide rail, prevents anti-fall dolly 2 from deviating from from end.
In addition, described Connection Block 62 is provided with mating holes 68, described mating holes is for locating two sections of guide rail body of mutually piecing together 6, common, the length of guide rail body 6 is between 1-3 rice, if need the guide rail body 6 more grown, then need in mating holes 68, insert a location round bar, and then other one end guide rail body 6 is socketed on mating holes 68, such guarantee two sections can in piecing together between one in together to guide rail body 6, ensure that the linear pattern of whole piece guide rail, make anti-fall dolly 2 can stably at slide on rails.
In the line service of this guide rail and anti-fall dolly 2, only need to detect the fastening problems between each bolt, eliminate in maintenance process in the past the destruction situation also will removing to detect pad, also need to carry out welding of doing over again on a large scale if there is breakage, and the utility model only to need to change corresponding bolt just passable, enormously simplify daily system maintenance work.
It will be apparent to those skilled in the art that high-altitude of the present utility model roofing fall-proof guide rails and anti-fall dolly comprise any combination of each several part in this description.As space is limited and in order to be make description simple and clear, these combinations are not introduced one by one in detail at this, but after having seen this description, the scope of the present utility model that any combination of each several part be made up of this description is formed is self-evident.
Claims (10)
1. a high-altitude roofing fall-proof guide rails, comprise guide rail body, it is characterized in that: described guide rail body includes integrated base, Connection Block and auxiliary section, described Connection Block two ends connect base and auxiliary section respectively, described auxiliary section includes fin that two panels is oblique setting and two panels fin is symmetrical arranged about the axial line of Connection Block, described fin all and its towards side end face between be formed with angle, described angle is arranged all in obtuse angle.
2. high-altitude according to claim 1 roofing fall-proof guide rails, it is characterized in that: described fin is connected side and is provided with the first limiting section with Connection Block, described first limiting section and fin are that L-type is arranged, and described first limiting section tilts along fin to Connection Block towards direction, base side.
3. high-altitude according to claim 1 roofing fall-proof guide rails, is characterized in that: be provided with concave face between described two fins and described concave face towards direction, base side depression, described concave face is symmetrical arranged about the axial line of described Connection Block.
4. high-altitude according to claim 1 roofing fall-proof guide rails, is characterized in that: be provided with the support portion in triangular shape projection between described Connection Block and base, described support portion is symmetrical set about the axial line of Connection Block.
5. high-altitude according to claim 1 roofing fall-proof guide rails, it is characterized in that: described fin is provided with the second limiting section relative to the end side be connected with Connection Block, described second limiting section and fin are that L-type is arranged, and described second limiting section is towards base lopsidedness.
6. high-altitude according to claim 1 roofing fall-proof guide rails, is characterized in that: described Connection Block is provided with mating holes.
7. the anti-fall dolly matched with the high-altitude roofing fall-proof guide rails described in any one in the claims 1-6, include pedestal and be arranged at the clasp on pedestal, it is characterized in that: described pedestal includes abutting part and is positioned at the installation portion of abutting part both sides, described installation portion to tilt along direction, abutting part side dorsad towards direction, clasp side dorsad all separately, described installation portion is provided with the roller that to abut with auxiliary section and be connected and described roller can be embedded between described auxiliary section and Connection Block formed in angle, described roller to be axially fixed on installation portion and can to rotate in a circumferential direction along its axial line.
8. anti-fall dolly according to claim 7, is characterized in that: described abutting part is provided with arc-shaped convex portion towards fin one side end face, and described arc-shaped convex portion is positioned at the center position of described abutting part.
9. anti-fall dolly according to claim 7, is characterized in that: the thickness of the cross section of described roller is not less than 2/3rds of auxiliary section total length.
10. anti-fall dolly according to claim 7, it is characterized in that: described clasp includes buckling parts and two securing rods of U-shaped setting, described abutting part is provided with installing hole, the arragement direction of described two securing rods is identical with the setting direction of described installing hole, described securing rod is arranged in installing hole relative to the opposite side be connected with buckling parts, be provided with bearing pin in described installing hole and described bearing pin along its direction of axis line through described two securing rods, described bearing pin is detachably axially fixed in installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420524501.5U CN204073178U (en) | 2014-09-12 | 2014-09-12 | High-altitude roofing fall-proof guide rails and anti-fall dolly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420524501.5U CN204073178U (en) | 2014-09-12 | 2014-09-12 | High-altitude roofing fall-proof guide rails and anti-fall dolly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204073178U true CN204073178U (en) | 2015-01-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420524501.5U Expired - Fee Related CN204073178U (en) | 2014-09-12 | 2014-09-12 | High-altitude roofing fall-proof guide rails and anti-fall dolly |
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| Country | Link |
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| CN (1) | CN204073178U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174129A (en) * | 2014-09-12 | 2014-12-03 | 浙江百安固金属屋面有限公司 | High-altitude roof falling-preventing guide rail and falling-preventing trolley |
| CN106563220A (en) * | 2016-10-27 | 2017-04-19 | 国网山东省电力公司桓台县供电公司 | Tower climbing anti-falling device and falling suspension handling method thereof |
-
2014
- 2014-09-12 CN CN201420524501.5U patent/CN204073178U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174129A (en) * | 2014-09-12 | 2014-12-03 | 浙江百安固金属屋面有限公司 | High-altitude roof falling-preventing guide rail and falling-preventing trolley |
| CN104174129B (en) * | 2014-09-12 | 2016-09-07 | 浙江百安固金属屋面有限公司 | High-altitude roofing fall-proof guide rails and anti-fall dolly |
| CN106563220A (en) * | 2016-10-27 | 2017-04-19 | 国网山东省电力公司桓台县供电公司 | Tower climbing anti-falling device and falling suspension handling method thereof |
| CN106563220B (en) * | 2016-10-27 | 2022-04-15 | 国网山东省电力公司桓台县供电公司 | Anti-falling device for climbing pole tower and falling suspension processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150912 |
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| EXPY | Termination of patent right or utility model |