CN204092873U - High-altitude lifting escape apparatus - Google Patents
High-altitude lifting escape apparatus Download PDFInfo
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- CN204092873U CN204092873U CN201420357182.3U CN201420357182U CN204092873U CN 204092873 U CN204092873 U CN 204092873U CN 201420357182 U CN201420357182 U CN 201420357182U CN 204092873 U CN204092873 U CN 204092873U
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- 230000003028 elevating effect Effects 0.000 claims abstract description 44
- 230000007423 decrease Effects 0.000 abstract description 11
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model relates to high-altitude lifting, escape device, disclose a kind of high-altitude lifting escape apparatus, comprise hoistable platform (9), the bottom of hoistable platform (9) arranges pedal (99), hoistable platform (9) comprises left lifting housing (94) and right lifting housing (93), upper elevating mechanism (91) is connected with left lifting housing (94), lower elevating mechanism (92) is connected with right lifting housing (93), and upper elevating mechanism (91) and lower elevating mechanism (92) are socketed on rope (7).The utility model realizes regulating the speed of the decline of lowering or hoisting gear or static by roll left axle and right roller bearing to the degree that rope clamps, and has function of swashing, the advantages such as security performance is high, simple to operation simultaneously.
Description
Technical field
The utility model relates to high-altitude lifting, escape device, has particularly related to a kind of high-altitude lifting escape apparatus.
Background technology
At present, traditional overhead escape device, what its high-altitude lifting locking device adopted is pulley or the locking of slide strips self-clinching, due to employing is sliding shackle, therefore operator needs rule of thumb to carry out step-down operation in use, the user that correspondence is lacked experience, is often difficult to effectively decline.And above-mentioned escape device cannot rise, only can decline.
Summary of the invention
The utility model is for prior art high and medium escape device complex structure, the shortcomings such as operation inconvenience etc. lacks, provide one and utilize human body and equipment self-weight, during normal condition, lifting locking device is by being fixed on rope from the mode of folder, locking, controlled the locking elasticity of lifting locking device by parking brake, automatically glide to realize whole device, there is the high-altitude lifting escape apparatus of the advantages such as simple to operate, safe ready.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
High-altitude lifting escape apparatus, comprise hoistable platform, the bottom of hoistable platform arranges pedal, and lifting is flat comprises left lifting housing and right lifting housing, and upper elevating mechanism is connected with left lifting housing; Lower elevating mechanism is connected with right lifting housing, and upper elevating mechanism and lower elevating mechanism are socketed on rope, and left lifting housing is connected with right lifting housing hinge, and hoistable platform arranges safety belt.It is hinged that jointed shaft is passed through in left lifting housing and right lifting housing side, and therefore, whole hoistable platform can be opened, and facilitates the installation of internal unit and maintenance and is installed on rope by whole escape apparatus.
As preferably, be provided with left slide rail in left lifting housing, the left end of upper elevating mechanism is arranged on left slide rail, and left lifting housing fixes left handrail; Be provided with right slide rail in right lifting housing, the right-hand member of lower elevating mechanism is arranged on right slide rail, and right lifting housing fixes right handrail.
As preferably, upper elevating mechanism comprises lifting locking device, and lower elevating mechanism comprises lower lifting locking device; Upper lifting locking device comprises location-plate, location-plate comprises prelocalization plate and rear position plate, roll left axle and right roller bearing, prelocalization plate and rear position plate arrange skewed slot respectively, roll left one end of axle is socketed in skewed slot that prelocalization plate is arranged, and the other end of the axle that rolls left is socketed in skewed slot that rear position plate is arranged; One end of right roller bearing is socketed in skewed slot that prelocalization plate is arranged, and the other end of right roller bearing is socketed in skewed slot that rear position plate is arranged; Roll left axle and right roller bearing is slidably connected in skewed slot, and rope is arranged on and rolls left between axle and right roller bearing.
As preferably, the axle that rolls left comprises intermediate lands, and intermediate lands is provided with arc groove, arc groove and rope slip friction; Right rolling shaft structure is identical with the axle that rolls left.
As preferably, the axle that rolls left is provided with prelocalization plate holddown groove and rear position plate holddown groove, prelocalization plate and the clamping of prelocalization plate holddown groove, rear position plate and the clamping of rear position plate holddown groove; Right rolling shaft structure is identical with the axle that rolls left.Roll left before and after axle and be symmetrical arranged left front brake groove and left back brake groove, left front brake groove is connected with brake contiguous block by connecting rod with left back brake groove, and brake contiguous block is connected with braking by braking rope.Roll left before and after axle and be symmetrical arranged left front brake groove and left back brake groove, left front brake groove is connected with brake contiguous block by connecting rod with left back brake groove, and brake contiguous block is connected with braking by braking rope.Left front brake groove is connected with brake contiguous block by connecting rod with left back brake groove, brake contiguous block is synchronously moved up and down with rolling left between axle, when being pulled brake downwards by braking rope, brake contiguous block drives the glides downward that rolls left simultaneously, thus realization is rolled left, axle and rope are held tightly to loosening gradually, realize gliding.
As preferably, be symmetrical arranged left front brake groove and left back brake groove before and after the axle that rolls left, left front brake groove is connected with brake by installing braking rope with in left back brake groove; Right rolling shaft structure is identical with the axle that rolls left; Prelocalization plate is fixedly connected with by side plate with between rear position plate, and prelocalization plate and rear position plate lower end are fixed on base plate.
As preferably, the skewed slot on prelocalization plate is two, comprises left skewed slot and right skewed slot, left skewed slot and right skewed slot are symmetricly set on the both sides of rope respectively, distance between the upper end center line of skewed slot and rope is a, and the distance between the lower center line of skewed slot and rope is b, then have a≤b.
As preferably, upper elevating mechanism and lower elevating mechanism are braked by the right hand that braking rope is connected on right handrail or left hand on left handrail brakes.
As preferably, prelocalization plate is made up of two pieces of symmetrically arranged left front location-plates and right front location-plate, and left front location-plate arranges left skewed slot, and right front location-plate arranges right skewed slot.
As preferably, right lifting housing arranges right lever, the fulcrum of right lever is arranged on right lifting housing, and upper elevating mechanism is connected by the left end of braking rope with right lever, and right hand brake is connected by the right-hand member of braking rope with right lever; Left lifting housing arranges lever left, and the fulcrum of lever left is arranged on left lifting housing, and lower elevating mechanism is connected with the right-hand member of lever left by braking rope, and left hand brake is connected with the left end of lever left by braking rope.
As preferably, pedal comprises left-hand tread plate and right-hand tread plate, and left-hand tread plate is fixedly connected with left lifting housing, and right-hand tread plate is fixedly connected with right lifting housing.
The utility model is owing to have employed above technical scheme, there is significant technique effect: the utility model realizes regulating the speed of the decline of lowering or hoisting gear or static by roll left axle and right roller bearing to the degree that rope clamps, there is function of swashing simultaneously, the advantages such as security performance is high, simple to operation.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Fig. 2 is the structural representation being elevated locking device in the utility model embodiment 1.
Fig. 3 is the sectional view in the A-A face in Fig. 2.
Fig. 4 is the structure chart of the axle that rolls left of Fig. 3.
Fig. 5 is that roll left in the utility model axle and right roller bearing is positioned at skewed slot top, lifting locking device locking state schematic diagram.
Fig. 6 is that roll left in the utility model axle and right roller bearing is positioned at skewed slot bottom, lifting locking device decline view figure.
The structure chart that Fig. 7 is the location-plate of Fig. 2 when being individual plates.
Fig. 8 is the structure chart when location-plate of Fig. 2 is left front location-plate, right front location-plate combines.
Fig. 9 is the location-plate in Fig. 2 is individual plates, and the lower end of skewed slot is the structure chart of straight trough.
Figure 10 is the location-plate in Fig. 2 is two block plate, and the lower end of skewed slot is the structure chart of straight trough.
Figure 11 is the schematic diagram of the utility model embodiment 2.
Figure 12 is the up schematic diagram of left lifting housing in Fig. 1.
Figure 13 is the up schematic diagram of right lifting housing in Fig. 1.
The toponym that in above accompanying drawing, each number designation refers to is as follows: wherein 1-location-plate, 2-side plate, 3-roll left axle, 4-right roller bearing, 5-brake, 6-brake contiguous block, 7-rope, 8-base plate, 9-hoistable platform, 11-prelocalization plate, 12-rear position plate, 13-left skewed slot, 14-right skewed slot, 15-straight trough, 31-prelocalization plate holddown groove, 32-rear position plate holddown groove, 33-intermediate lands, 34-arc groove, 35-left front brake groove, 36-left back brake groove, 91-upper elevating mechanism, 92-left lifting housing, 93-right lifting housing, 94-left lifting housing, 95-left handrail, 96-right handrail, 99-pedal, 111-left front location-plate, 112-right front location-plate, 911-be above elevated locking device, 921-under be elevated locking device, 931-right slide rail, 941-left slide rail, 951-left hand brakes, 961-right hand brakes, 991-left-hand tread plate, 992-right-hand tread plate.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with accompanying drawing 1 to Figure 13:
Embodiment 1
High-altitude lifting escape apparatus, as shown in Figures 1 to 12, comprise hoistable platform 9, the bottom of hoistable platform 9 arranges pedal 99, and hoistable platform 9 comprises left lifting housing 94 and right lifting housing 93, and upper elevating mechanism 91 is connected with left lifting housing 94; Lower elevating mechanism 92 is connected with right lifting housing 93, and upper elevating mechanism 91 is socketed on rope 7 with lower elevating mechanism 92, and left lifting housing 94 is articulated and connected with right lifting housing 93, and hoistable platform 9 arranges safety belt.
Be provided with left slide rail 941 in left lifting housing 94, the left end of upper elevating mechanism 91 is arranged on left slide rail 941, and left lifting housing 94 fixes left handrail 95; Be provided with right slide rail 931 in right lifting housing 93, the right-hand member of lower elevating mechanism 92 is arranged on right slide rail 931, and right lifting housing 93 fixes right handrail 96.
Upper elevating mechanism 91 comprises lifting locking device 911, and lower elevating mechanism 92 comprises lower lifting locking device 921; Upper lifting locking device 911 comprises location-plate 1, location-plate 1 comprises prelocalization plate 11 and rear position plate 12, roll left axle 3 and right roller bearing 4, prelocalization plate 11 and rear position plate 12 arrange skewed slot respectively, roll left one end of axle 3 is socketed in skewed slot that prelocalization plate 11 is arranged, and the other end of the axle 3 that rolls left is socketed in skewed slot that rear position plate 12 is arranged; One end of right roller bearing 4 is socketed in the skewed slot of setting on prelocalization plate 11, and the other end of right roller bearing 4 is socketed in the skewed slot of setting on rear position plate 12; The axle 3 that rolls left is slidably connected in skewed slot with right roller bearing 4, and rope 7 is arranged on and rolls left between axle 3 and right roller bearing 4.The axle 3 that rolls left is arranged in skewed slot with right roller bearing 4, when whole lifting locking device is arranged on rope 7, due to the deadweight of equipment, the axle 3 that rolls left is positioned at skewed slot top with right roller bearing 4, and gravity is heavier, roller bearing 4 is positioned at skewed slot and gets over top, and that is pressed by rope 7 is tighter simultaneously, and rope 7 is steel wire cable, can not infinitely be compressed, when two roller bearings and rope 7 block tighter, frictional force is larger, thus prevents equipment from gliding.When pull left hand brake 951 with the right hand brake 961 time, the axle 3 that rolls left is drop-down with right roller bearing 4, thus the arc groove 34 on roller bearing is reduced gradually with the contact area of rope 7, when arc groove 34 is less than with rope 7 frictional force the gross weight being elevated locking device and weight or people, whole lifting locking device just can decline.Brake comprises left brake and right brake, therefore, only needs reasonably to control brake, can complete the operation of vacant lowering or hoisting gear decrease speed; Unclamp left hand brake 951 and brake 961 with the right hand, the axle 3 that can make gradually again to roll left reenters skewed slot top, increasing friction force with right roller bearing 4, declines to realize slowing down or stops decline, whole simple to operation.
The axle 3 that rolls left comprises intermediate lands 33, and intermediate lands 33 is provided with arc groove 34, arc groove 34 and rope 7 sliding friction; Right roller bearing 4 structure is identical with the axle 3 that rolls left.
The axle 3 that rolls left is provided with prelocalization plate holddown groove 31 and rear position plate holddown groove 32, prelocalization plate 11 and the clamping of prelocalization plate holddown groove 31, rear position plate 12 and rear position plate holddown groove 32 clamping; Right roller bearing 4 structure is identical with the axle 3 that rolls left.
Roll left before and after axle 3 and be symmetrical arranged left front brake groove 35 and left back brake groove 36, left front brake groove 35 5 to be connected by installing braking rope with braking with in left back brake groove 36; Right roller bearing 4 structure is identical with the axle 3 that rolls left; Be fixedly connected with by side plate 2 between prelocalization plate 11 with rear position plate 12, prelocalization plate 11 and rear position plate 12 lower end are fixed on base plate 8.
Skewed slot on prelocalization plate 11 is two, comprise left skewed slot 13 and right skewed slot 14, left skewed slot 13 and right skewed slot 14 are symmetricly set on the both sides of rope 7 respectively, and the distance between the upper end center line of skewed slot and rope 7 is a, distance between the lower end of skewed slot and rope 7 is b, then have a≤b.Therefore, under normal circumstances, due to equipment and body weight, the axle 3 that rolls left is with right roller bearing 4 owing to rubbing with rope 7, and can be positioned at the upper end of skewed slot, being connected together with rope 7 tightly, prevents whole device from gliding; And when pulling parking brake, will roll left axle 3 and the drop-down contact area reducing two roller bearings and rope 7 with this gradually of right roller bearing 4, thus realize the object controlling and regulate decrease speed, whole simple to operation.
Prelocalization plate 11 is made up of with right front location-plate 112 two pieces of symmetrically arranged left front location-plates 111, left front location-plate 111 arranges left skewed slot 13, right front location-plate 112 arranges right skewed slot 14.
Pedal 99 comprises left-hand tread plate 991 and right-hand tread plate 992, and left-hand tread plate 991 is fixedly connected with left lifting housing 94, and right-hand tread plate 992 is fixedly connected with right lifting housing 93.
Embodiment 2
As shown in Figure 7, the difference of the present embodiment and embodiment 1 is: location-plate is individual plates, and skewed slot is symmetricly set on location-plate.As shown in Figure 8, location-plate comprises prelocalization plate 11, and prelocalization plate 11 is made up of with right front location-plate 112 two pieces of symmetrically arranged left front location-plates 111, and skewed slot is symmetricly set on location-plate.Right lifting housing 93 arranges right lever 97, and the fulcrum of right lever 97 is arranged on right lifting housing 93, and upper elevating mechanism 91 is connected by the left end of braking rope with right lever 97, and right hand brake 961 is connected by the right-hand member of braking rope with right lever 97; Left lifting housing 94 arranges lever left 98, and the fulcrum of lever left 98 is arranged on left lifting housing 94, and lower elevating mechanism 92 is connected by the right-hand member of braking rope with lever left 98, and left hand brake 951 is connected by the left end of braking rope with lever left 98.By arranging the position of balance pivot, labour-saving effect can be played.The distance of balance pivot distance rope 7 is larger, and right hand brake 961 brake 951 more laborsaving with left hand, therefore the right hand brake 961 and left hand brake 951 and need by less power, can control to brake.
Embodiment 3
As shown in Figure 9, the difference of the present embodiment and embodiment 1 is: location-plate is individual plates, and skewed slot comprises the short skewed slot on top and the straight trough of bottom, and location-plate is trapezoidal, and skewed slot comprises the short skewed slot 13 on top and the straight trough 15 of bottom.Roll left before and after axle 3 and be symmetrical arranged left front brake groove 35 and left back brake groove 36, left front brake groove 35 is connected with brake contiguous block 6 by connecting rod with left back brake groove 36, and the contiguous block 6 that brakes 5 to be connected with braking by braking rope.Left front brake groove 35 is connected with brake contiguous block 6 by connecting rod with left back brake groove 36, brake contiguous block 6 is synchronously moved up and down with rolling left between axle 3, when being pulled brake 5 downwards by braking rope, brake contiguous block 6 drives axle 3 slide downward that rolls left simultaneously, thus realization is rolled left, axle 3 is held tightly to loosening gradually with rope 7, realizes gliding.As different from Example 2, only adopt single lever in the present embodiment, one end of lever is connected with two lowering or hoisting gears by braking rope, and the other end of lever brakes 951 respectively with left hand, the right hand brakes 961 is connected.
Embodiment 4
As shown in figure 12, the difference of the present embodiment and embodiment 3 is: location-plate comprises prelocalization plate 11, prelocalization plate 11 is made up of with right front location-plate 112 two pieces of symmetrically arranged left front location-plates 111, and skewed slot is symmetricly set on left front location-plate 111 with on right front location-plate 112.
Embodiment 5
As shown in figure 13, when high-altitude lifting escape apparatus rises, operation is as follows: promoted by left lifting housing 94 by left handrail 95, structural design due to upper elevating mechanism 91 rises easily, auto lock during decline, therefore after left lifting housing 94 rises, when active force concentrates on left side, namely upper lifting locking device 911 locks, and prevents left lifting housing 94 from declining.Now, as shown in figure 12, right lifting housing 93 is being promoted by right handrail 96 by same method by operator, and left and right alternately successively, thus realizes the rising climbing function of high-altitude lifting escape apparatus.
Embodiment 6
The present embodiment is with the difference of embodiment 1: upper elevating mechanism 91 is connected with braking rope with lower elevating mechanism 92, and braking rope and the left hand braked on 961 and left handrail 95 of the right hand on right handrail 96 brake and 951 to be connected.Therefore, by press the right hand brake 961 or left hand brake 951 all can control whole device decline; And when whole device lifting operations, then do not need to press right hand brake 961 or left hand brake 951, because upper elevating mechanism 91 moves upward as automatic unlocking state with lower elevating mechanism 92, and when upwards mentioning, only need to overcome half of equipment self-weight, easily can realize lifting operations thus.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (10)
1. high-altitude lifting escape apparatus, comprise hoistable platform (9), the bottom of hoistable platform (9) arranges pedal (99), it is characterized in that: hoistable platform (9) comprises left lifting housing (94) and right lifting housing (93), upper elevating mechanism (91) is connected with left lifting housing (94), lower elevating mechanism (92) is connected with right lifting housing (93), upper elevating mechanism (91) and lower elevating mechanism (92) are socketed on rope (7), left lifting housing (94) and right lifting housing (93) are articulated and connected, (9) arrange safety belt to hoistable platform.
2. lifting escape apparatus in high-altitude according to claim 1, it is characterized in that: in left lifting housing (94), be provided with left slide rail (941), the left end of upper elevating mechanism (91) is arranged on left slide rail (941), the upper fixing left handrail (95) of left lifting housing (94); Be provided with right slide rail (931) in right lifting housing (93), lower elevating mechanism (92) right-hand member is arranged on right slide rail (931), the upper fixing right handrail (96) of right lifting housing (93).
3. lifting escape apparatus in high-altitude according to claim 1, it is characterized in that: upper elevating mechanism (91) comprises lifting locking device (911), and lower elevating mechanism (92) comprises lower lifting locking device (921); Upper lifting locking device (911) comprises location-plate (1), location-plate (1) comprises prelocalization plate (11) and rear position plate (12), roll left axle (3) and right roller bearing (4), prelocalization plate (11) and rear position plate (12) arrange skewed slot respectively, roll left one end of axle (3) is socketed in the upper skewed slot arranged of prelocalization plate (11), and the other end of the axle that rolls left (3) is socketed in the upper skewed slot arranged of rear position plate (12); One end of right roller bearing (4) is connected in the upper skewed slot arranged of prelocalization plate (11), and the other end of right roller bearing (4) is connected in the upper skewed slot arranged of rear position plate (12); The axle (3) that rolls left is slidably connected in skewed slot with right roller bearing (4), and rope (7) is arranged between the axle that rolls left (3) and right roller bearing (4).
4. lifting escape apparatus in high-altitude according to claim 3, it is characterized in that: the axle that rolls left (3) comprises intermediate lands (33), intermediate lands (33) is provided with arc groove (34), arc groove (34) and rope (7) sliding friction; Right roller bearing (4) structure is identical with the axle that rolls left (3).
5. lifting escape apparatus in high-altitude according to claim 3, it is characterized in that: the axle that rolls left (3) is provided with prelocalization plate holddown groove (31) and rear position plate holddown groove (32), prelocalization plate (11) and prelocalization plate holddown groove (31) clamping, rear position plate (12) and rear position plate holddown groove (32) clamping; Right roller bearing (4) structure is identical with the axle that rolls left (3).
6. lifting escape apparatus in high-altitude according to claim 3, it is characterized in that: be symmetrical arranged left front brake groove (35) and left back brake groove (36) before and after the axle that rolls left (3), left front brake groove (35) is connected with brake (5) by braking rope with in left back brake groove (36); Right roller bearing (4) structure is identical with the axle that rolls left (3); Be fixedly connected with by side plate (2) between prelocalization plate (11) with rear position plate (12), prelocalization plate (11) and rear position plate (12) lower end are fixed on base plate (8).
7. lifting escape apparatus in high-altitude according to claim 3, it is characterized in that: the skewed slot on prelocalization plate (11) is two, comprise left skewed slot (13) and right skewed slot (14), left skewed slot (13) and right skewed slot (14) are symmetricly set on the both sides of rope (7) respectively, distance between the upper end center line of skewed slot and rope (7) is a, distance between the lower center line of skewed slot and rope (7) is b, then have a≤b.
8. high-altitude according to claim 3 lifting escape apparatus, is characterized in that: upper elevating mechanism (91) and lower elevating mechanism (92) are braked (961) by the braking rope right hand be connected on right handrail (96) or left hand on left handrail (95) brakes (951).
9. lifting escape apparatus in high-altitude according to claim 8, it is characterized in that: right lifting housing (93) arranges right lever (97), the fulcrum of right lever (97) is arranged on right lifting housing (93), upper elevating mechanism (91) is connected by the left end of braking rope with right lever (97), and right hand brake (961) is connected by the right-hand member of braking rope with right lever (97); Left lifting housing (94) arranges lever left (98), the fulcrum of lever left (98) is arranged on left lifting housing (94), lower elevating mechanism (92) is connected by the right-hand member of braking rope with lever left (98), and left hand brake (951) is connected by the left end of braking rope with lever left (98).
10. lifting escape apparatus in high-altitude according to claim 1, it is characterized in that: pedal (99) comprises left-hand tread plate (991) and right-hand tread plate (992), left-hand tread plate (991) is fixedly connected with left lifting housing (94), and right-hand tread plate (992) is fixedly connected with right lifting housing (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357182.3U CN204092873U (en) | 2014-06-30 | 2014-06-30 | High-altitude lifting escape apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357182.3U CN204092873U (en) | 2014-06-30 | 2014-06-30 | High-altitude lifting escape apparatus |
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| Publication Number | Publication Date |
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| CN204092873U true CN204092873U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420357182.3U Expired - Lifetime CN204092873U (en) | 2014-06-30 | 2014-06-30 | High-altitude lifting escape apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316672A (en) * | 2018-08-21 | 2019-02-12 | 叶泓希 | A kind of simple automatic lifting escape device of top layer platform |
-
2014
- 2014-06-30 CN CN201420357182.3U patent/CN204092873U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316672A (en) * | 2018-08-21 | 2019-02-12 | 叶泓希 | A kind of simple automatic lifting escape device of top layer platform |
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