CN2861116Y - Locking guide apparatus for lifting platform - Google Patents
Locking guide apparatus for lifting platform Download PDFInfo
- Publication number
- CN2861116Y CN2861116Y CN 200520105944 CN200520105944U CN2861116Y CN 2861116 Y CN2861116 Y CN 2861116Y CN 200520105944 CN200520105944 CN 200520105944 CN 200520105944 U CN200520105944 U CN 200520105944U CN 2861116 Y CN2861116 Y CN 2861116Y
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- Prior art keywords
- locking
- voussoir
- lifting
- lift
- pulley
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- Expired - Fee Related
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Abstract
A lockup guide means useful for elevating platform relates to lift the control mechanism of the stage machinery, used in other occasions that need the large table-board and the dead-weight lift. The purpose of the utility model is that the lifting device can carry out stepless stop and be reliably locked up at any position within the running distance; and the lifting can stably stop at any position with load over a long period of time, and under locked-up condition, the lifting can start or contraorbital start at any time after it is easily unlocked. The lifting is equipped with an erection guide rail (6). The elevating platform moves up and down along the guide rail (6) though a guide shoe (8). The elevating platform is equipped with a brake skid shoe (3). The groove of the brake guide shoe (3) is equipped with a fixed wedge (5) .A movable wedge (4) whose inclined plane is in the face of fixed wedge (5) inclined plane is installed in the brake guide shoe (3). Bevels of the fixed wedge and movable wedge are the same. The other plane of the movable wedge (4) is installed on the surface of guide trail (6). The upper end of the movable wedge (4) is hung by the one end of wire rope (10). The other end of wire rope (10) goes round locking puller block (12) with a clump weight (9) hung.
Description
Technical field
The utility model relates to the stage machinery lifting control mechanism, specifically is a kind of anti-fall safety locking and guide piece that is used for the arenas elevator stage, can be used for the occasion of the big table top of other needs, heavy lift lifting.
Background technology
At present, adopt gentle type to drive (chain hoisting type, rope hoisting formula etc.) structure in the big table top of known arenas elevator stage and other occasion, the heavy lift lifting bay-lift structure more and more, wherein anti-fall safety locking is its critical component.What adopt at most both at home and abroad is the bolt-type structure, and enough big electronic steel latch promptly is set on jacking equipment, and when equipment was elevated to a certain position, the protruding insertion of electronic steel latch level was preset in the hole of fixed sturcture, and it is anti-fall to play safety.The steel latch is withdrawn into original position earlier during the table top starting, the capable again lifting of main platform.This structure function satisfies operating needs substantially, but some limitation are arranged, one, and latched position is preset as ad-hoc location, is fixed with level, can not lock at an arbitrary position; Its two, when table top in that certain position berthing time is long when a small amount of sinking is arranged, the steel latch is crushed to death, and is difficult to extract out, main platform back-to-back starting makes the steel latch upwards kill again easily, has same problem.
The velocity measurement mechanisms safety tongs that the man lift uses has been ripe structure, but it uses the characteristics of object different.Man lift's characteristics are running velocity height fast, stroke is big, load is light, startup stops frequent and the load-carrying berthing time is short, be that speed is not less than 1 meter per second, stroke and is not less than 20 meters, load and is not more than 2 tons occasion, so its velocity measurement mechanisms safety tongs is highly sensitive, bearing capacity is little, rigidity is low, satisfy the safe and reliable operating needs of quick man lift fully, but be not suitable for using in the so big table top of stage bay-lift, the heavy lift lifting jacking equipment.
Summary of the invention
The purpose of this utility model be jacking equipment the optional position can stepless stop and positive lock in stroke range, and load-carrying for a long time rests in the optional position and guarantees and do not rock, and starting at any time or back-to-back starting can be unblanked easily under locked condition.
The utility model is the locking guide piece that is used for bay-lift, comprise a vertically arranged guiding rail (6), the lifting stand moves up and down along guiding rail (6) by leading boots (8), the lifting stand is equipped with braking piston shoes (3), brake to be equipped with in the groove of leading boots (3) and decide voussoir (5), moving voussoir (4) is installed braking and is led in the groove of boots (3), its inclined-plane is facing to deciding voussoir (5) inclined-plane, and the oblique angle is identical, the Plane Installation of opposite side is on the end face of guide rail (6), the upper end of moving voussoir (4) is suspended on an end of steel rope (10), and the other end of steel rope (10) walks around that locking assembly pulley (12) is outstanding a clump weight (9).
The weight of moving voussoir (4) is greater than the weight of clump weight (9).
Locking assembly pulley (12) is by half pulley (12.12), compress slide plate (12.11), cam frid (12.10), locking protruding pin (12.8), slip thread plate (12.7), screw collar (12.6), gear reduction motor (12.5) is formed, wherein gear reduction motor (12.5) gets electric rotation and advances slip thread plate (12.7) by screw collar (12.6), make locking protruding pin (12.8) compress cam frid (12.10), compressing slide plate (12.11) clamps steel rope (10), by the male and female face on the cam frid (12.10) pulley (12.12) is turned an angle, to move voussoir (4) and mention certain altitude, make it and decide voussoir (5) gap to reach the minimum value of setting, thereby make the locking of lifting master stand.
The beneficial effects of the utility model are: 1) make stepless stop in jacking equipment optional position in stroke range and positive lock; 2) equipment load-carrying for a long time rests in the optional position and guarantees not rock, and starting at any time or back-to-back starting can be unblanked easily under locked condition; 3) when load is excessive when exceeding mechanism's braking potential and can not increase brake structure again, can make the jacking equipment downslide of in contingency, slowing down, play safe accident prevention effect equally; 4) have the function that big rigidity lifting is led concurrently; 5) simple in structure, easily manufactured, cost is low.
Description of drawings
Fig. 1 is the utility model integral structure scheme drawing, and Reference numeral and corresponding name are called: boots base plate (1) is led in braking, and boots adapter plate (2) is led in braking, boots (3) are led in braking, moving voussoir (4) is decided voussoir (5), guiding rail (6), guide rail fixation kit (7), lead boots (8), clump weight (9), steel rope (10), assembly pulley (11), locking assembly pulley (12).
Fig. 2 is that A-A among Fig. 1 is to structure diagram.
Fig. 3 is a locking pulley block structure sketch, Reference numeral and corresponding name are called: locking pulley base plate (12.1), right support (12.2), switch bracket (12.3), near switch (12.4), gear reduction motor (12.5), screw collar (12.6), slip thread plate (12.7), locking protruding pin (12.8); Nylon locating bush (12.9), cam frid (12.10) compresses slide plate (12.11), half pulley (12.12), shaft block ring (12.13), pad (12.14), deep groove ball bearing (12.15), left socle (12.16), rotating shaft (12.17).
Fig. 4 is the plan structure sketch of Fig. 3, and wherein (12.18) are the switch shielding plate.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Shown in Figure 1, be integral structure of the present utility model, Fig. 2 is that A-A among Fig. 1 is to structure diagram.As shown in Figure 1, guiding rail (6) by heavy rail transformation of the way processing is installed on cement or the steel vertical columns by guide rail fixation kit (7), decide voussoir (5) be installed in the braking lead in the groove of boots (3), braking is led boots (3) and is installed in braking by bearing pin and leads on the boots adapter plate (2), and can relatively rotate.Braking is led boots adapter plate (2) and is fixed on braking again and leads boots base plate (1), and braking is led boots base plate (1) and is fixed on the lifting stand, can be in company with lifting.Moving voussoir (4) also is installed in braking and leads in the groove of boots (3), its inclined-plane is with respect to the inclined-plane of deciding voussoir (5), the Plane Installation of opposite side is on the end face of guiding rail (6), the upper end of moving voussoir (4) is suspended on an end of steel rope (10), and the other end of steel rope (10) walks around that locking assembly pulley (12) and common assembly pulley (11) are outstanding a clump weight (9).
Can installing of locking assembly pulley (12) by shown position, when with other constructive interferences, also can be installed in other positions in steel rope (10) horizontal segment path, its turning can replace with common assembly pulley, but guarantee that steel rope is not less than 120 degree (more than best 150 degree) at the cornerite on the locking assembly pulley, available common assembly pulley is handled flexibly.
When the lifting stand is parked in the optional position, locking assembly pulley (12) action, steel rope (10) clamped and revolve an angle and will move voussoir (4) and mention in the position of setting, it keeps certain clearance with respect to moving voussoir and guide pass, guarantees that the stand body locks and do not rock.When lifting stand desire out of control was weighed down if the jacking equipment master drives or driving system meets accident, moving voussoir (4) was locked, and the voussoir (5) of deciding that descends with bay-lift makes voussoir (4) and guiding rail (6) jam-packed and self-locking friction braking.After accident took place making locking braking function generation effect braking, at trouble-shooting when the row starting descends (except the rise) again, can normally use after need rising the bay-lift release earlier.
Under normal circumstances, the lifting stand rests in the optional position, when if row starts lifting again, control lock fixed pulley group (12) action in advance makes the released clamping of steel rope (12), moving voussoir (4) falls to braking automatically and leads in the groove of boots (3), itself and guiding rail (6) reach decides voussoir (5) gap increase, the arbitrarily lifting of lifting stand.
At the lifting stand braking being installed leads the appropriate position, top of boots (3) position the assistance directional tagging, the common boots (8) of leading has been installed.
Above-mentioned clamped wire rope (10) is also mentioned the function that moving voussoir (4) makes its locking and is mainly realized by locking assembly pulley (12), as Fig. 3, shown in Figure 4, locking assembly pulley (12) is by half pulley (12.12), compress slide plate (12.11), cam frid (12.10), locking protruding pin (12.8), slip thread plate (12.7), screw collar (12.6), gear reduction motor (12.5) is formed, gear reduction motor (12.5) gets electric rotation and advances slip thread plate (12.7) by screw collar (12.6), make locking protruding pin (12.8) compress cam frid (12.10), compressing slide plate (12.11) clamps steel rope (10), by the male and female face on the cam frid (12.10) pulley (12.12) is turned an angle, to move voussoir (4) and mention certain altitude, make it and decide voussoir (5) gap to reach the minimum value of setting, thereby make the locking of lifting master stand.
As shown in Figure 3, Figure 4, left socle (12.16) and right support (12.2) are fixed by bolts on the locking pulley base plate (12.1), rotating shaft (12.17) is installed on the left socle (12.16), in the rotating shaft (12.17) successively suit deep groove ball bearing (12.15), half pulley (12.12), pad (12.14), shaft block ring (12.13), compress slide plate (12.11), cam frid (12.10).Right support (12.2) is gone up gear reducing motor (12.5) is installed, and is fixed with screw collar (12.6) on the gear reduction motor shaft, is rotary with slip thread plate (12.7) on the screw collar, is fixed with locking protruding pin (12.8) and nylon locating bush (12.9) on the slip thread plate.
When locking is carried out in locking assembly pulley (12) action, gear reduction motor (12.5) gets electric just the commentaries on classics moves ahead screw collar (12.6) driving slip thread plate (12.7), and drive locking protruding pin (12.8) and move ahead and compress cam frid (12.10) successively, compress slide plate (12.11) and steel rope (10) on the groove of half pulley (12.12), when propulsive effort makes slip thread plate (12.7) when continuing to move ahead, the cam path of locking protruding pin (12.8) pushing cam frid (12.10) forces cam frid (12.10), compress the angle that slide plate (12.11) and half pulley (12.12) rotation one is set, and force steel rope (10) will move voussoir (4) and mention a height of setting, carry out locking.Motor counter-rotating when unblanking, slip thread plate (12.7) rollback, steel rope (10) pine folder, and cam frid (12.10) in lead dot effect turning down to original position, moving voussoir (4) falls to causing braking leads in the groove of boots (3).Slip thread plate (12.7) is equipped with switch shielding plate (12.18), before and after it position limit of operation by be installed on the switch bracket (12.3) near the start-stop of switch (12.4) control motor.
Claims (3)
1, the locking guide piece that is used for bay-lift, comprise a vertically arranged guiding rail (6), the lifting stand moves up and down along guiding rail (6) by leading boots (8), it is characterized in that the lifting stand is equipped with braking piston shoes (3), brake to be equipped with in the groove of leading boots (3) and decide voussoir (5), moving voussoir (4) is installed braking and is led in the groove of boots (3), its inclined-plane is facing to deciding voussoir (5) inclined-plane, and the oblique angle is identical, the Plane Installation of opposite side is on the end face of guide rail (6), the upper end of moving voussoir (4) is suspended on an end of steel rope (10), and the other end of steel rope (10) walks around that locking assembly pulley (12) is outstanding a clump weight (9).
2, the locking guide piece that is used for bay-lift according to claim 1 is characterized in that the weight of the weight of moving voussoir (4) greater than clump weight (9).
3, the locking guide piece that is used for bay-lift according to claim 1, it is characterized in that locking assembly pulley (12) by half pulley (12.12), compress slide plate (12.11), cam frid (12.10), locking protruding pin (12.8), slip thread plate (12.7), screw collar (12.6), gear reduction motor (12.5) is formed, wherein gear reduction motor (12.5) gets electric rotation and advances slip thread plate (12.7) by screw collar (12.6), make locking protruding pin (12.8) compress cam frid (12.10), compressing slide plate (12.11) clamps steel rope (10), by the male and female face on the cam frid (12.10) pulley (12.12) is turned an angle, to move voussoir (4) and mention certain altitude, make it and decide voussoir (5) gap to reach the minimum value of setting, thereby make the locking of lifting master stand.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520105944 CN2861116Y (en) | 2005-12-15 | 2005-12-15 | Locking guide apparatus for lifting platform |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520105944 CN2861116Y (en) | 2005-12-15 | 2005-12-15 | Locking guide apparatus for lifting platform |
Publications (1)
Publication Number | Publication Date |
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CN2861116Y true CN2861116Y (en) | 2007-01-24 |
Family
ID=37658741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200520105944 Expired - Fee Related CN2861116Y (en) | 2005-12-15 | 2005-12-15 | Locking guide apparatus for lifting platform |
Country Status (1)
Country | Link |
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CN (1) | CN2861116Y (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104314329A (en) * | 2014-10-08 | 2015-01-28 | 芜湖华强文化科技产业有限公司 | Garbage collecting device of internal garbage self-cleaning stage |
CN105179538A (en) * | 2015-09-07 | 2015-12-23 | 环江国源照明科技有限公司 | Locking device |
CN105215489A (en) * | 2015-09-11 | 2016-01-06 | 苏州市宝玛数控设备有限公司 | A kind of bi-directional symmetrical wire cutting machine |
CN105741636A (en) * | 2016-04-15 | 2016-07-06 | 浙江刚玉智能科技有限公司 | Fire-fighting simulating Xushi step detection platform |
CN106429739A (en) * | 2016-08-24 | 2017-02-22 | 无锡科通工程机械制造有限公司 | Lifting platform drive rack |
CN107082391A (en) * | 2017-06-26 | 2017-08-22 | 上海海事大学 | Production tree transfers the sliding rail of guided tooling |
CN107100591B (en) * | 2017-06-26 | 2018-04-17 | 上海海事大学 | Production tree transfers the leading arm slipping base of guided tooling |
CN108466973A (en) * | 2018-04-27 | 2018-08-31 | 无锡德林防务装备股份有限公司 | A kind of Manual lifting platform |
CN110939301A (en) * | 2019-11-21 | 2020-03-31 | 甘肃工大舞台技术工程有限公司 | A subassembly, device and stage for unilateral lift promotion |
-
2005
- 2005-12-15 CN CN 200520105944 patent/CN2861116Y/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104314329A (en) * | 2014-10-08 | 2015-01-28 | 芜湖华强文化科技产业有限公司 | Garbage collecting device of internal garbage self-cleaning stage |
CN105179538A (en) * | 2015-09-07 | 2015-12-23 | 环江国源照明科技有限公司 | Locking device |
CN105215489A (en) * | 2015-09-11 | 2016-01-06 | 苏州市宝玛数控设备有限公司 | A kind of bi-directional symmetrical wire cutting machine |
CN105741636A (en) * | 2016-04-15 | 2016-07-06 | 浙江刚玉智能科技有限公司 | Fire-fighting simulating Xushi step detection platform |
CN106429739A (en) * | 2016-08-24 | 2017-02-22 | 无锡科通工程机械制造有限公司 | Lifting platform drive rack |
CN107082391A (en) * | 2017-06-26 | 2017-08-22 | 上海海事大学 | Production tree transfers the sliding rail of guided tooling |
CN107100591B (en) * | 2017-06-26 | 2018-04-17 | 上海海事大学 | Production tree transfers the leading arm slipping base of guided tooling |
CN108466973A (en) * | 2018-04-27 | 2018-08-31 | 无锡德林防务装备股份有限公司 | A kind of Manual lifting platform |
CN108466973B (en) * | 2018-04-27 | 2024-03-26 | 无锡海核装备科技有限公司 | Manual lifting platform |
CN110939301A (en) * | 2019-11-21 | 2020-03-31 | 甘肃工大舞台技术工程有限公司 | A subassembly, device and stage for unilateral lift promotion |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |