CN105019765B - Sliding subsidiary door sheet type hanging hole safety protection device - Google Patents
Sliding subsidiary door sheet type hanging hole safety protection device Download PDFInfo
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- CN105019765B CN105019765B CN201510487108.2A CN201510487108A CN105019765B CN 105019765 B CN105019765 B CN 105019765B CN 201510487108 A CN201510487108 A CN 201510487108A CN 105019765 B CN105019765 B CN 105019765B
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Abstract
The invention relates to the field of buildings, in particular to a sliding subsidiary door sheet type hanging hole safety protection device. The sliding subsidiary door sheet type hanging hole safety protection device comprises an outer frame fixed to a building floor, and a main door sheet is rotatably connected to the outer frame through a hinge; a first hinged support is fixed to the side, close to the hinge, of the bottom of the main door sheet, and a supporting leg is fixed below the outer frame; a second hinged support is fixed to the lower end of the supporting leg, and the two ends of a push rod boosting system are connected with the first hinged support and the second hinged support respectively; the outer side of the main door sheet is provided with at least one jacking mechanism, and supporting roller wheel structures are arranged on the surface of each jacking mechanism; and a subsidiary door sheet is supported on the supporting roller wheel structures. The sliding subsidiary door sheet type hanging hole safety protection device is suitable for complex installation sites; lifting space and maintenance space of equipment can be retained to the maximum extent; the protection device is good in decorative performance; and the safety performance is high.
Description
Technical field
The present invention relates to building field, specifically a kind of sliding pair door panel-type hangs thing hole safety device.
Background technology
Hanging thing hole safety device is a kind of safety applying equipment lifting hole or maintenance hole in tier building
Preventer, for example: the enterprise such as power station, thermal power plant, steel plant, such lifting eye, manhole generally adopt steel deck-plate to seal
Cap bore hole or hole surrounding install permanent barrier, when needing in lifting building the equipment of lower floor or repair apparatus, need to hang out
Steel deck-plate, arranges temporary fence, by lifting appliances such as crane or hoist engines during work；Workload is big, need many people to assist；Can
Ornamental poor, inharmonious with integrated environment, unsightly；There is potential safety hazard.
Content of the invention
The present invention is directed to the problems referred to above, provides a kind of sliding pair door panel-type to hang thing hole safety device, using this protection
Device can be suitably used for the erecting bed of complexity, can lift by crane space and space for maintenance by retaining device to greatest extent.
According to technical scheme: a kind of sliding pair door panel-type hangs thing hole safety device, it is characterized in that: include
It is fixed on the housing on building floor, main door plate is rotationally connected with housing by hinge, main door plate bottom is near hinge side
It is fixed with the first pivoting support, below housing, is fixed with supporting leg, supporting leg lower end is fixed with the second pivoting support, push rod power-assisted
System two ends are connected with the first pivoting support, the second pivoting support respectively, are provided with least one set jack outside described main door plate
Structure, lifting body surface is provided with supporting rollern structure, and secondary door-plate is supported in described supporting rollern structure.
As a further improvement on the present invention, described push rod force aid system include described push rod force aid system include one group or
Multigroup push rod, and multigroup push rod is arranged in parallel, push rod provides power to carry out stretching motion by driving means
As a further improvement on the present invention, described driving means include synchronizing shaft, motor, and motor passes through tooth
Wheel drive synchronizing shaft is rotated, and synchronizing shaft two ends are connected with the input shaft of corresponding push rod by a shaft coupling respectively.
As a further improvement on the present invention, described driving means include synchronizing shaft, the first motor, the second driving electricity
Machine, first gear case, second gear case, the outfan of described first motor passes through first shaft coupling and first gear case
Input is connected, and the outfan of the second motor is connected with the input of second gear case by second shaft coupling, synchronizing shaft
Two ends are connected with the intermediate propeller shaft of first gear case, second gear case by a shaft coupling respectively, first gear
The outfan of case, the outfan of second gear case pass through the travelling gear phase on first gear and the input shaft of push rod respectively
Engagement.
As a further improvement on the present invention, described push rod includes shell and the sleeve being slidably connected with shell, inside the shell
It is provided with screw mandrel, screw mandrel one end is stretched in sleeve in chamber, and the screw mandrel nut thread cooperation fixing with sleeve ends, the screw mandrel other end
Rotating support, in the plane bearing of shell upper, clutch shaft bearing, second bearing, installs the second umbrella in the screw mandrel upper end body of rod simultaneously
Gear, shell is additionally provided with the input shaft of horizontal expansion, and the first bevel gear, described first bevel gear and second are fixed in input shaft the inner
Bevel gear is meshed.
As a further improvement on the present invention, described push rod includes shell and the sleeve being slidably connected with shell, inside the shell
It is provided with screw mandrel, screw mandrel one end is stretched in sleeve in chamber, and the screw mandrel nut thread cooperation fixing with sleeve ends, the screw mandrel other end
Rotating support, in the plane bearing of shell upper, clutch shaft bearing, second bearing, installs worm gear in the screw mandrel upper end body of rod simultaneously,
Shell is additionally provided with the input shaft of horizontal expansion, and the part that input shaft stretches into inside the shell forms worm screw, and described worm gear and worm screw match
Close.
As a further improvement on the present invention, described lifting body includes track, and rail base one end is provided with first axle,
The other end is provided with second hinge, and wherein first axle lower end is connected with the first sleeve, and the first sleeve is slidably connected the first push rod
Seat, is provided with the first screw mandrel, the first screw mandrel upper end is stretched in the first sleeve, and the first screw mandrel and first in the first tip-lever support cavity
First nut thread of sleeve lower end connects, and 3rd bearing, fourth bearing, the first plane bearing rotation are passed through in the first screw mandrel lower end
It is supported in the first tip-lever support, and fixes the 3rd bevel gear on the first screw mandrel lower end body of rod, the first tip-lever support is additionally provided with
First power input shaft of horizontal expansion, the 5th bevel gear, described 5th bevel gear and are fixed in first power input shaft the inner
Three bevel gears are meshed；Second hinge lower end is connected with second sleeve, and second sleeve is slidably connected the second tip-lever support, the second top
It is provided with the second screw mandrel, the second screw mandrel upper end is stretched in second sleeve in pole socket cavity, and the second screw mandrel and second sleeve lower end
The second nut thread connect, 5th bearing, 6th bearing, the second plane bearing rotating support are passed through in the in the second screw mandrel lower end
In two tip-lever supports, and fix the 4th bevel gear on the second screw mandrel lower end body of rod, the second tip-lever support is additionally provided with horizontal expansion
The second power input shaft, the 6th bevel gear, described 6th bevel gear and the 4th bevel gear are fixed in second power input shaft the inner
It is meshed；First synchronizing shaft one end is connected with the first power input shaft by the 3rd shaft coupling, and the first synchronizing shaft other end leads to
Cross the 4th shaft coupling to be connected with the second power input shaft；Described first synchronizing shaft is driven by the 3rd motor and is rotated,
The gear of the 3rd motor outfan is meshed with fixing the 4th gear on the first synchronizing shaft.
The method have technical effect that: product of the present invention is suitable for complex erecting bed；Can protect to greatest extent
Stay equipment lifting space and space for maintenance；Preventer has preferable dicoration；Security performance is high.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 open mode schematic diagram.
Fig. 3 is second embodiment structural representation of the present invention.
Fig. 4 is Fig. 3 open mode schematic diagram.
Fig. 5 is the structural representation of push rod force aid system in the present invention.
Fig. 6 is the structural representation of the second embodiment of push rod force aid system.
Fig. 7,8 be the present invention in push rod two kinds of structural representations.
Fig. 9 is lifting body contraction state schematic diagram in the present invention.
Figure 10 is lifting body raised configuration schematic diagram in the present invention.
Figure 11 is the connection diagram of supporting rollern structure and track in the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is further described.
In Fig. 1 ~ 11, including building floor 1, housing 2, input shaft 20, the first bevel gear 21, nut 22, screw mandrel 23, sleeve
24, clutch shaft bearing 25.1, second bearing 25.2, the second bevel gear 26, plane bearing 27, shell 28, worm screw 29, hinge 3, worm gear
30, the first tip-lever support 31.1, the second tip-lever support 31.2, the first plane bearing 32.1, the second plane bearing 32.2, the 3rd bevel gear
33.1, the 4th bevel gear 33.2,3rd bearing 34.1, fourth bearing 34.2,5th bearing 34.3,6th bearing 34.4, first
Nut 35, the first screw mandrel 36, the first sleeve 37.1, second sleeve 37.2, first axle 38.1, second hinge 38.2, track 39,
First pivoting support 4, the 5th bevel gear 40.1, the 6th bevel gear 40.2, the first power input shaft 41.1, the second power input shaft
41.2, the 3rd shaft coupling 42.1, the 4th shaft coupling 42.2, the first synchronizing shaft 43, the 4th gear 44, the 3rd motor 45, the
Two nuts 46, the second screw mandrel 47, roller 48.1,48.2, axle 49, connecting plate 50, main door plate 5, supporting rollern structure 6.1,6.2,
Lifting body 7.1, secondary door-plate 8.1, supporting leg 9, pivoting support 10, push rod force aid system 11, push rod 12.1,12.2, shaft coupling
13.1st, 13.2, synchronizing shaft 14, gear 15, motor 16, first gear 17.1,17.2, first gear case 18.1, the second tooth
Roller box 18.2, synchronous bearing 19 etc..
As shown in Figure 1,3, the present invention is that a kind of sliding pair door panel-type hangs thing hole safety device, including being fixed on
Housing 2 on building floor 1, main door plate 5 is rotationally connected with housing 2 by hinge 3, and main door plate 5 bottom is near hinge 3 side
It is fixed with the first pivoting support 4, below housing 2, is fixed with supporting leg 9, supporting leg 9 lower end is fixed with the second pivoting support 10, pushes away
Bar force aid system 11 two ends are connected with the first pivoting support 4, the second pivoting support 10 respectively, be provided with outside described main door plate 5 to
Few one group of lifting body 7.1, lifting body 7.1 surface is provided with supporting rollern structure 6.1,6.2, and secondary door-plate 8.1 is supported in described
In supporting rollern structure 6.1,6.2.Fig. 1 and Fig. 3 sets forth one embodiment of the present invention, the area of two kinds of embodiments
It is not, the embodiment in Fig. 3 is than having more a set of lifting body 7.1 in Fig. 1.
As shown in Figure 5,6, described push rod force aid system 11 includes one or more groups of push rods 12.1,12.2, and multigroup push rod
12.1st, 12.2 is arranged in parallel, and push rod 12.1,12.2 provides power to carry out stretching motion by driving means.Driving means can
There to be numerous embodiments.
As shown in figure 5, the first embodiment of driving means: driving means include synchronizing shaft 14, motor 16, drive
Galvanic electricity machine 16 drives synchronizing shaft 14 to be rotated by gear 15, synchronizing shaft 14 two ends pass through respectively shaft coupling 13.1,
13.2 are connected with the input shaft 20 of corresponding push rod 12.1,12.2.
As shown in fig. 6, driving means include synchronizing shaft 14, the first motor 16.1, the second motor 16.2, first
Gear-box 18.1, second gear case 18.2, the outfan of described first motor 16.1 passes through first shaft coupling 14.1 and the
The input of one gear-box 18.1 is connected, and the outfan of the second motor 16.2 passes through second shaft coupling 14.2 and second gear
The input of case 18.2 is connected, synchronizing shaft 14 two ends pass through respectively a shaft coupling 13.1,13.2 and first gear case 18.1, the
The intermediate propeller shaft of both two gear-boxes 18.2 is connected, the outfan of first gear case 18.1, second gear case 18.2 defeated
Go out end to be meshed with the travelling gear on the input shaft 20 of push rod 12.1,12.2 by a first gear 17.1,17.2 respectively.
In practice, motor 16 can also be air motor, hydraulic motor etc., and gear 15 can also be chain or skin
Band etc., by gear 15 or chain or belt by power transmission to synchronizing shaft 14, thus driving push rod motion.
As shown in fig. 7, in the present invention push rod the first embodiment, push rod 12.1,12.2 include shell 28 and with outer
The sleeve 24 that shell 28 is slidably connected, is provided with screw mandrel 23 in shell 28 inner chamber, screw mandrel 23 one end is stretched in sleeve 24, and screw mandrel 23 with
The fixing nut 22 screw thread cooperation in sleeve 24 end, screw mandrel 23 other end rotating support in shell 28 top plane bearing 27,
In clutch shaft bearing 25.1, second bearing 25.2, in the screw mandrel 23 upper end body of rod, the second bevel gear 26 is installed, shell 28 is additionally provided with simultaneously
The input shaft 20 of horizontal expansion, the first bevel gear 21, described first bevel gear 21 and the second bevel gear are fixed in input shaft 20 the inner
26 are meshed.
As shown in figure 8, in the present invention push rod second embodiment, push rod 12.1,12.2 include shell 28 and with outer
The sleeve 24 that shell 28 is slidably connected, is provided with screw mandrel 23 in shell 28 inner chamber, screw mandrel 23 one end is stretched in sleeve 24, and screw mandrel 23 with
The fixing nut 22 screw thread cooperation in sleeve 24 end, screw mandrel 23 other end rotating support in shell 28 top plane bearing 27,
In clutch shaft bearing 25.1, second bearing 25.2, in the screw mandrel 23 upper end body of rod, worm gear 30 is installed, shell 28 is additionally provided with and laterally prolongs simultaneously
The input shaft 20 stretched, the part that input shaft 20 stretches in shell 28 forms worm screw 29, and described worm gear 30 is matched with worm screw 29.
The course of action of push rod is as follows: power is inputted by input shaft 20, by input shaft 20 drive successively the first bevel gear 21,
Second bevel gear 26 carries out action, and drives screw mandrel 23 to be rotated by the second bevel gear 26, and screw mandrel 23, in rotation process, carries
Moving sleeve 24 carries out stretching motion.
As shown in Fig. 9,10, lifting body 7.1 includes track 39, and track 39 bottom end is provided with first axle 38.1, separately
One end is provided with second hinge 38.2, and wherein first axle 38.1 lower end is connected with the first sleeve 37.1, and the first sleeve 37.1 is sliding
Be dynamically connected the first tip-lever support 31.1, is provided with the first screw mandrel 36 in the first tip-lever support 31.1 cavity, and the first screw mandrel 36 upper end is stretched into
In first sleeve 37.1, and the first screw mandrel 36 is threadeded with the first nut 35 of the first sleeve 37.1 lower end, the first screw mandrel 36
3rd bearing 34.1, fourth bearing 34.2, the first plane bearing 32.1 rotating support are passed through in the first tip-lever support 31.1 in lower end,
And the 3rd bevel gear 33.1 is fixed on the first screw mandrel 36 lower end body of rod, the first tip-lever support 31.1 is additionally provided with horizontal expansion
First power input shaft 41.1, the 5th bevel gear 40.1, described 5th bevel gear are fixed in the first power input shaft 41.1 the inner
40.1 are meshed with the 3rd bevel gear 33.1；Second hinge 38.2 lower end is connected with second sleeve 37.2, second sleeve 37.2
Be slidably connected the second tip-lever support 31.2, is provided with the second screw mandrel 47 in the second tip-lever support 31.2 cavity, and the second screw mandrel 47 upper end is stretched
Enter in second sleeve 37.2, and the second screw mandrel 47 is threadeded with the second nut 46 of second sleeve 37.2 lower end, the second screw mandrel
5th bearing 34.3,6th bearing 34.4, the second plane bearing 32.2 rotating support are passed through in the second tip-lever support 31.2 in 47 lower ends
In, and the 4th bevel gear 33.2 is fixed on the second screw mandrel 47 lower end body of rod, the second tip-lever support 31.2 is additionally provided with and laterally prolongs
The second power input shaft 41.2 stretched, the 6th bevel gear 40.2, described 6th umbrella tooth are fixed in the second power input shaft 41.2 the inner
Wheel 40.2 is meshed with the 4th bevel gear 33.2；The 3rd shaft coupling 42.1 and the input of the first power are passed through in first synchronizing shaft 43 one end
Axle 41.1 is connected, and the first synchronizing shaft 43 other end is connected with the second power input shaft 41.2 by the 4th shaft coupling 42.2；
Described first synchronizing shaft 43 is driven by the 3rd motor 45 and is rotated, the gear and first of the 3rd motor 45 outfan
On synchronizing shaft 43, the 4th fixing gear 44 is meshed.
The course of action of lifting body 7.1 is as follows: the 3rd motor 45 also may be used by the 4th gear 44(of a pair of meshing
To be chain, belt etc.) drive the first synchronizing shaft 43 rotate, the first synchronizing shaft 43 two ends respectively pass through the 3rd shaft coupling 42.1,
4th shaft coupling 42.2 is connected to the first tip-lever support 31.1, the first power input shaft 41.1, second of the second tip-lever support 31.2 moves
On power input shaft 41.2, final drive the first sleeve 37.1, second sleeve 37.2 are stretched out, but the pitch ratio due to the second screw mandrel 47
The pitch of the first screw mandrel 36 is big, lead to track 39 be in slope state (pitch of pitch ratio first screw mandrel 36 of the second screw mandrel 47 is big,
The distance of the second screw mandrel 47 rotation 1 circle the second nut 46 linear motion is than the first screw mandrel 36 rotation 1 circle the first nut 35 straight line fortune
Dynamic distance, for example: the pitch of the second screw mandrel 47 is 5mm, the pitch of the first leading screw 36 is 3mm, the second screw mandrel 47 rotation 1 circle
Second nut 46 linear motion 5mm, the first screw mandrel 36 rotation 1 circle the first nut 35 linear motion 3mm).
Shown in Figure 11, supporting rollern 6.1,6.2 includes the roller 48.1,48.2 being slideably positioned in track 39, two rollings
Wheel is attached separately to axle 49 two ends, and connecting plate 50 and axle 49 are fixed together and can be slided with rolling in rail 39.Secondary door
On connecting plate 50, connecting plate 50 is driven by the first screw mandrel 36, the second screw mandrel 47 and carries out elevating movement plate 8.1.
Claims (5)
1. a kind of sliding pair door panel-type hangs thing hole safety device, it is characterized in that: inclusion is fixed on outer on building floor (1)
Frame (2), main door plate (5) is rotationally connected with housing (2) by hinge (3), and main door plate (5) bottom is solid near hinge (3) side
Surely there is the first pivoting support (4), below housing (2), be fixed with supporting leg (9), supporting leg (9) lower end is fixed with second hinged
Seat (10), push rod force aid system (11) two ends are connected with the first pivoting support (4), the second pivoting support (10) respectively, described master
Be provided with least one set lifting body (7.1) outside door-plate (5), lifting body (7.1) surface be provided with supporting rollern structure (6.1,
6.2), secondary door-plate (8.1) is supported in described supporting rollern structure (6.1,6.2)；
Described push rod force aid system (11) includes one or more groups of push rods (12.1,12.2), and multigroup push rod (12.1,12.2) phase
Mutually it be arranged in parallel, push rod (12.1,12.2) provides power to carry out stretching motion by driving means；
Described driving means include synchronizing shaft (14), motor (16), and motor (16) passes through gear (15) and drives synchronization
Axle (14) is rotated, synchronizing shaft (14) two ends pass through respectively shaft coupling (13.1,13.2) and corresponding push rod (12.1,
12.2) input shaft (20) is connected.
2. hang thing hole safety device according to the sliding pair door panel-type described in claim 1, it is characterized in that: described driving means
Including synchronizing shaft (14), the first motor (16.1), the second motor (16.2), first gear case (18.1), the second tooth
Roller box (18.2), the outfan of described first motor (16.1) passes through first shaft coupling (14.1) and first gear case
(18.1) input is connected, and the outfan of the second motor (16.2) passes through second shaft coupling (14.2) and second gear case
(18.2) input is connected, and synchronizing shaft (14) two ends pass through a shaft coupling (13.1,13.2) and first gear case respectively
(18.1), second gear case (18.2) both intermediate propeller shafts are connected, the outfan of first gear case (18.1), the second tooth
The outfan of roller box (18.2) passes through the input shaft of a first gear (17.1,17.2) and push rod (12.1,12.2) respectively
(20) travelling gear on is meshed.
3. hang thing hole safety device according to the sliding pair door panel-type described in claim 1, it is characterized in that: described push rod
(12.1,12.2) include shell (28) and the sleeve (24) being slidably connected with shell (28), in shell (28) inner chamber, be provided with screw mandrel
(23), screw mandrel (23) one end is stretched in sleeve (24), and screw mandrel (23) nut (22) screw thread fixing with sleeve (24) end is joined
Close, screw mandrel (23) other end rotating support is in the plane bearing (27) on shell (28) top, clutch shaft bearing (25.1), second bearing
(25.2) on, in screw mandrel (23) the upper end body of rod, the second bevel gear (26) is installed, shell (28) is additionally provided with the defeated of horizontal expansion simultaneously
Enter axle (20), the first bevel gear (21), described first bevel gear (21) and the second bevel gear (26) are fixed in input shaft (20) the inner
It is meshed.
4. hang thing hole safety device according to the sliding pair door panel-type described in claim 1, it is characterized in that: described push rod
(12.1,12.2) include shell (28) and the sleeve (24) being slidably connected with shell (28), in shell (28) inner chamber, be provided with screw mandrel
(23), screw mandrel (23) one end is stretched in sleeve (24), and screw mandrel (23) nut (22) screw thread fixing with sleeve (24) end is joined
Close, screw mandrel (23) other end rotating support is in the plane bearing (27) on shell (28) top, clutch shaft bearing (25.1), second bearing
(25.2) on, in screw mandrel (23) the upper end body of rod, worm gear (30) is installed, shell (28) is additionally provided with the input shaft of horizontal expansion simultaneously
(20) part that, input shaft (20) stretches in shell (28) forms worm screw (29), and described worm gear (30) is matched with worm screw (29).
5. hang thing hole safety device according to the sliding pair door panel-type described in claim 1, it is characterized in that: described lifting body
(7.1) include track (39), track (39) bottom end is provided with first axle (38.1), and the other end is provided with second hinge
(38.2), wherein first axle (38.1) lower end is connected with the first sleeve (37.1), and the first sleeve (37.1) is slidably connected
One tip-lever support (31.1), is provided with the first screw mandrel (36) in the first tip-lever support (31.1) cavity, the first screw mandrel (36) upper end is stretched into
In first sleeve (37.1), and the first screw mandrel (36) is threadeded with first nut (35) of the first sleeve (37.1) lower end, the
One screw mandrel (36) lower end pass through 3rd bearing (34.1), fourth bearing (34.2), the first plane bearing (32.1) rotating support in
In first tip-lever support (31.1), and fix the 3rd bevel gear (33.1), the first tip-lever support on the body of rod of the first screw mandrel (36) lower end
(31.1) it is additionally provided with first power input shaft (41.1) of horizontal expansion on, the first power input shaft (41.1) the inner fixes
Five bevel gears (40.1), described 5th bevel gear (40.1) is meshed with the 3rd bevel gear (33.1)；Under second hinge (38.2)
End is connected with second sleeve (37.2), and second sleeve (37.2) is slidably connected the second tip-lever support (31.2), the second tip-lever support
(31.2) it is provided with the second screw mandrel (47) in cavity, the second screw mandrel (47) upper end is stretched in second sleeve (37.2), and second
Bar (47) is threadeded with second nut (46) of second sleeve (37.2) lower end, and 5th bearing is passed through in the second screw mandrel (47) lower end
(34.3), 6th bearing (34.4), the second plane bearing (32.2) rotating support be in the second tip-lever support (31.2), and second
4th bevel gear (33.2) is fixed on the body of rod of screw mandrel (47) lower end, the second tip-lever support (31.2) is additionally provided with the of horizontal expansion
Two power input shafts (41.2), the 6th bevel gear (40.2), described 6th umbrella tooth are fixed in the second power input shaft (41.2) the inner
Wheel (40.2) is meshed with the 4th bevel gear (33.2)；The 3rd shaft coupling (42.1) and first is passed through in first synchronizing shaft (43) one end
Power input shaft (41.1) is connected, and the first synchronizing shaft (43) other end passes through the 4th shaft coupling (42.2) and the second power input
Axle (41.2) is connected；Described first synchronizing shaft (43) is driven by the 3rd motor (45) and is rotated, the 3rd motor
(45) gear of outfan fixing fourth gear (44) upper with the first synchronizing shaft (43) is meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487108.2A CN105019765B (en) | 2015-08-10 | 2015-08-10 | Sliding subsidiary door sheet type hanging hole safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487108.2A CN105019765B (en) | 2015-08-10 | 2015-08-10 | Sliding subsidiary door sheet type hanging hole safety protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105019765A CN105019765A (en) | 2015-11-04 |
| CN105019765B true CN105019765B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510487108.2A Active CN105019765B (en) | 2015-08-10 | 2015-08-10 | Sliding subsidiary door sheet type hanging hole safety protection device |
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| CN (1) | CN105019765B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332500B (en) * | 2015-11-20 | 2017-08-01 | 江苏广通电力设备有限公司 | Intelligent hanging object blind patch deploys control system |
| CN105298087B (en) * | 2015-11-20 | 2017-10-24 | 江苏广通电力设备有限公司 | Intelligent hanging object blind patch lift controlling system |
| CN110441552A (en) * | 2019-07-19 | 2019-11-12 | 国网新疆电力有限公司奎屯供电公司 | Telescopic CT measuring rod and its measurement method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2790620B2 (en) * | 1996-03-19 | 1998-08-27 | 阿南電機株式会社 | Hatch safety fence |
| CN201099937Y (en) * | 2007-04-14 | 2008-08-13 | 北京佳多科曼科技发展有限公司 | Article-hoisting port safety barrier device |
| CN201305987Y (en) * | 2008-12-04 | 2009-09-09 | 上海太比雅科技有限公司 | Foldable cover plate and foldable guardrail |
| CN202401915U (en) * | 2011-12-19 | 2012-08-29 | 上海太比雅电力设备有限公司 | Large self-balancing safe and labor-saving cover plate device |
| CN204899557U (en) * | 2015-08-10 | 2015-12-23 | 江苏广通电力设备有限公司 | Thing hole safety device is hung to sliding pair door plant formula |
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2015
- 2015-08-10 CN CN201510487108.2A patent/CN105019765B/en active Active
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| CN105019765A (en) | 2015-11-04 |
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