CN203238997U - Two-stage elevating stage - Google Patents
Two-stage elevating stage Download PDFInfo
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- CN203238997U CN203238997U CN 201320179759 CN201320179759U CN203238997U CN 203238997 U CN203238997 U CN 203238997U CN 201320179759 CN201320179759 CN 201320179759 CN 201320179759 U CN201320179759 U CN 201320179759U CN 203238997 U CN203238997 U CN 203238997U
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- steelframe
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- elevating
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Abstract
The utility model relates to the technical field of elevating stage, especially to a two-stage elevating stage which solves the problems of insufficient depth of stage ground pits, high elevating height of a lifting platform and difficulty of installing a normal elevating stage. The two-stage elevating stage is characterized by comprising an inner fixing steel rack, a middle elevating steel frame arranged outside the fixing steel frame, and an outer servo-actuated steel frame arranged outside the middle elevating steel frame, wherein the inner fixing steel rack and the middle elevating steel frame are elevated when driven by a gear and a tooth bar engaging with each other, a servo-actuated chain is arranged between the middle elevating steel frame and the outer servo-actuated steel frame, and the servo-actuated chain, a sprocket wheel cooperating with the servo-actuated chain and the outer servo-actuated steel frame form a servo-actuated diploid mechanism. An elevating stage limiting the depth of a ground pit reaches a lifting height greater than the depth of the ground pit through two-stage elevating, and safe installation and use are achieved. The two-stage elevating stage is stable to operate and is flexible, and elevating performance stage groups various in shape and scale can be formed by combining one or more stages.
Description
Technical field
The utility model relates to the elevator stage technical field, especially a kind of twin-stage elevator stage.
Background technology
The application of elevator stage is more and more wider, and structure, drive form are also varied.Be the disclosed a kind of self-steering elevator stage of CN102094538A such as patent publication No., comprise stage, outer important actor, interior important actor, guiding mechanism, driving mechanism and counterweight etc., guiding mechanism is installed on the inboard and interior important actor of the outer important actor outside, purpose is the accurate guiding when realizing the stage lifting, the gear-tooth bar that driving mechanism adopts a pair of one-tenth herringbone to arrange, tooth bar is installed on interior important actor both sides, gear is installed on the outer important actor, the realization stage rises, gapless motion during decline, counterweight is consistent with stage and important actor weight or slightly overweight stage and outer important actor weight, to reduce to drive power power.And for example patent publication No. is a kind of composite lifting stage of CN102535895A, comprise main platform, sub-platform and master control system, main platform comprises foundation structure, main platform fixed guide and main platform drive unit, foundation structure is steel work, main platform fixed guide is positioned at the two ends of foundation structure, main platform drive unit is hydraulic cylinder and the fluid pressure drive device that is arranged symmetrically with, the hydraulic cylinder top is fixed on the main couple of foundation structure below, adopt hydraulic lifting to support and drive foundation structure and move both vertically, be fixed with liftable sub-platform at main platform table top, when main platform integral body moves both vertically, sub-platform is done relatively and is moved both vertically, perhaps sub-platform independently moving, and all sub-platforms can be synchronized with the movement, also can singlely move, or the marshalling motion.These stages are fit to have the place of enough foundation depths, need not to consider the hoisting depth problem, and for foundation ditch is more shallow need to be greater than the hoisting depth of foundation depth the time, above-mentioned all kinds of elevator stage can not use with regard to limited.
Summary of the invention
The purpose of this utility model is in order to solve because of stage foundation depth deficiency, and the elevating stage hoisting depth is larger, the problem that conventional elevator stage is difficult to realize is installed, provide a kind of reasonable in design, lifting is steady, by effective cooperation of sprocket wheel, chain, steelframe, reach the twin-stage elevator stage of a kind of servo-actuated times of Cheng Xiaoguo.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of twin-stage elevator stage, comprise drive unit, it is characterized in that being provided with fixedly steelframe of internal layer, be provided with middle level lifting steelframe in fixing steelframe outside, be provided with outer servo-actuated steelframe in the outside of middle level lifting steelframe, described internal layer fixedly between steelframe and the middle level lifting steelframe by rack and pinion engagement transmission lifting; Be provided with servo-actuated chain between middle level lifting steelframe and the outer servo-actuated steelframe, servo-actuated chain forms servo-actuated times of journey mechanism with the sprocket wheel that cooperates servo-actuated chain and outer servo-actuated steelframe.The drive unit of the technical program and common driving are different, owing to considering the maximum height when elevator stage is retracted, speed reducer output shaft in the drive unit is made speed change terminal tailing axle, and to reduce transmission progression, the gear linear velocity of drive unit two ends output shaft equates.Drive unit arrives tooth bar to power by gear transmission, directly drive middle level lifting steelframe along fixedly steelframe elevating movement of internal layer, because servo-actuated chain is between middle level lifting steelframe and outer servo-actuated steelframe, and an end and internal layer fixedly steelframe are fixed, the other end and outer servo-actuated steelframe are fixed, upper lower sprocket then is separately fixed at middle level lifting steelframe upper and lower side, therefore when the elevating movement of middle level lifting steelframe, servo-actuated chain can only move around sprocket wheel, between outer servo-actuated steelframe and the middle level lifting steelframe relative displacement occurs thereupon also then, and the speed of service of outer servo-actuated steelframe is the twice of middle level lifting steelframe, and the lifting travel of outer servo-actuated steelframe also is the twice of middle level lifting steelframe.
As preferably, an end of described servo-actuated chain is fixed on the fixedly top of steelframe of internal layer, and the other end of servo-actuated chain is fixed on the lower end of outer servo-actuated steelframe.Servo-actuated chain becomes around shape under the combination of two ends sprocket wheel, and two chains that are in parallel position relationship are namely arranged, and two parallel chains are separately fixed at internal layer fixedly on steelframe and the outer servo-actuated steelframe, to obtain relative motion relation.
As preferably, described sprocket wheel with cooperating servo-actuated chain is provided with upper sprocket wheel and lower sprocket, is installed in respectively the up and down two ends of middle level lifting steelframe.During operation, the position of upper lower sprocket is geostationary, by the fixing mutual alignment of steelframe and outer servo-actuated steelframe short transverse of chain traction internal layer.
As preferably, described drive unit comprises motor, reductor, is provided with two output shafts that are located along the same line in the reductor, and output shaft is gear shaft.Just because of the installing space of stage lift structure is limited, drive unit reduces the shared space of drive unit and running part as far as possible when guaranteeing the elevating stage functional requirement.
As preferably, described gear shaft is the first gear shaft, the gear teeth of the first gear shaft end and tooth bar engagement.After the drive unit outputting power, running part has the multiple kind of drive, in general, in order to improve the stationarity of elevating stage, establishes vertical configuration tooth bar everywhere, and wherein the first gear shaft end direct geared drives two toothed rack of a side.
As preferably, described the first gear shaft reaches second gear shaft parallel with the first gear shaft by the transition gear transmission with power, the gear teeth of the second gear shaft end and the engagement of the tooth bar of opposite side.Continuous upper one described, opposite side two toothed rack of four vertical tooth racks are driven by the second gear shaft, the first gear shaft, the second gear shaft are synchronous.
As preferably, the flank back side of described tooth bar is provided with guiding back pressure wheel.Tooth bar is fixed on the middle level lifting steelframe, and stability and operation straightness accuracy in order to guarantee whole middle level lifting steelframe when moving up and down arrange guiding back pressure wheel.
As preferably, described drive unit is fixed on internal layer fixedly in the steelframe, and the first gear shaft is positioned at internal layer fixedly on the steelframe by bearing, and the second gear shaft is positioned at internal layer fixedly on the steelframe by bearing.Whole drive unit is fixed on internal layer fixedly in the steelframe, makes the center of gravity of whole elevating stage be in low level, and bearing support is installed in internal layer fixedly on the steelframe, as the strong point of gear shaft.
As preferably, be provided with vertically arranged guiding device between described middle level lifting steelframe and the outer servo-actuated steelframe; Described guiding device comprises the guide rail that is fixed on the outer servo-actuated steelframe, leads boot of elevator, leads boot of elevator and is fixed on the middle level lifting steelframe, leads the boots of leading that are provided with in the boot of elevator with the self-lubricating material manufacturing.Outer servo-actuated steelframe is pure driven member, and executing in running, force part can only rely on middle level lifting steelframe, and guiding device can limit the position of inside and outside two-layer steelframe.
As preferably, be provided with travel switch between the servo-actuated steelframe of described skin and the middle level lifting steelframe; Middle level lifting steelframe and internal layer fixedly are provided with the stroke protection switch between the steelframe.After setting the limit lifting travel, the assembling travel switch is with the security of operation of protection elevating stage.
Effective effect of the present utility model is: the limited elevator stage of foundation depth is reached hoisting depth greater than foundation depth by the twin-stage reduction, guarantee simultaneously the purpose that safety is installed and used, and operate steadily, energy separate unit or many performance lift platform groups that are arbitrarily made with various shapes, scale, flexible and changeable.
Description of drawings
Fig. 1 is a kind of decline low spot status architecture schematic diagram of the present utility model.
Fig. 2 is the plan structure schematic diagram of the utility model Fig. 1.
Fig. 3 is the right TV structure schematic diagram of the utility model Fig. 1.
Fig. 4 is a kind of rise status architecture schematic diagram of the present utility model.
Fig. 5 is the local structure for amplifying schematic diagram of the utility model Fig. 3.
Fig. 6 is the local structure for amplifying schematic diagram of M among the utility model Fig. 4.
Fig. 7 is the local structure for amplifying schematic diagram of the utility model Fig. 2.
Among the figure: 1. outer servo-actuated steelframe, 2. middle level lifting steelframe, 3. fixedly steelframe, 4. drive unit of internal layer, 5. tooth bar, 6. servo-actuated chain, 7. the first gear shaft, 8. the second gear shaft, 9. First Transition gear, 10. the second transition gear, 11. guiding back pressures wheels, 12. the first chain fixer, 13. guiding devices, 14. lead boot of elevator, 15. guide rail, 16. lead boots, 17. second chain fixers, 18. the stage face, 19. upper sprocket wheels, 20. lower sprockets.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
A kind of twin-stage elevator stage of the present embodiment, referring to Fig. 1, Fig. 3, steelframe is established inside and outside three layers, with the fixing steelframe 3 of the fixing internal layer in ground, fixedly be set with middle level lifting steelframe 2 in the outside of steelframe 3 at internal layer, be set with outer servo-actuated steelframe 1 in the outside of middle level lifting steelframe 2.Wherein, internal layer fixedly between steelframe 3 and the middle level lifting steelframe 2 by four groups of rack-and-pinions engagements.Be provided with four groups of servo-actuated chains 6 between middle level lifting steelframe 2 and the outer servo-actuated steelframe 1, and guiding device 13 is housed.
Four groups of rack-and-pinion engagement systems are, drive unit 4 comprises a reductor, and output shaft is exported along same straight line towards the reductor two ends in the reductor, and is provided with gear in the output shaft outer end, the first gear shaft 7.The gear at the first gear shaft 7 two ends respectively with two engagements of four toothed rack, 5 one sides, and wherein the gear of an end meshes with First Transition gear 9 simultaneously, First Transition gear 9 is transmission the second transition gear 10 again, drive the second gear shaft 8 by the second transition gear 10, then by the gear at the second gear shaft 8 two ends respectively with four toothed rack 5 in two engagements of opposite side, such as Fig. 2, shown in Figure 5, article four, tooth bar is arranged on rectangular four bights, and the diameter of transition gear designs by the spacing of four tooth bars.
Servo-actuated chain 6 is fixed on the middle level lifting steelframe 2, cooperate servo-actuated chain 6 to establish up and down two sprocket wheels, be upper sprocket wheel 19 and lower sprocket 20, referring to Fig. 4, Fig. 6, by upper lower sprocket and chain assembled, make chain have two parallel shape chain bodies, wherein an end of servo-actuated chain 6 inboards is fixed on the fixedly top of steelframe 3 of internal layer by the first chain fixer 12, and an end in servo-actuated chain 6 outsides is fixed on the lower end of outer servo-actuated steelframe 1 by the second chain fixer 17.Like this, servo-actuated chain 6, upper sprocket wheel 19, lower sprocket 20, the first chain fixer 12, the second chain fixer 17, and outer servo-actuated steelframe 1 has formed servo-actuated times of journey mechanism.
Referring to Fig. 7, it is T shape elevator exclusive guideway 15 that guiding device 13 adopts cross sections, and guide rail 15 is fixed on the inboard of outer servo-actuated steelframe 1, and the boots 16 of leading of guide rail 15 are made by self-lubricating material, lead boots 16 are fixed on middle level lifting steelframe 2 by fixed mount 14 the outside.
During work, when drive unit 4 drives 2 rising of middle level lifting steelframe, because the first chain fixer 12 is fixed on internal layer fixedly on the steelframe 3, at this moment, rising along with middle level lifting steelframe 2, servo-actuated chain 6 can only rotate around upper sprocket wheel 19 and lower sprocket 20, then servo-actuated chain 6 inboards move downward, the outside moves upward, and the second chain fixer 17 makes servo-actuated chain 6 connect outer servo-actuated steelframe 1, along with the motion of chain, outer servo-actuated steelframe 1 is upwards promoted so that the speed that doubles middle level lifting steelframe 2 is servo-actuated, then the stroke of outer servo-actuated steelframe 1 also is the twice of middle level lifting steelframe 2, and during decline, servo-actuated chain 6 direction of rotation get final product on the contrary.Like this, just reach outer servo-actuated steelframe 1 lifting travel double in middle level lifting steelframe 2, increased the requirement of elevator stage stroke to satisfy foundation depth when inadequate.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any structure after the simple transformation of the present utility model is all belonged to protection domain of the present utility model.
Claims (10)
1. twin-stage elevator stage, comprise drive unit (4), it is characterized in that being provided with fixedly steelframe (3) of internal layer, fixedly be provided with middle level lifting steelframe (2) in the steelframe outside at internal layer, be provided with outer servo-actuated steelframe (1) in the outside of middle level lifting steelframe (2), described internal layer fixedly between steelframe (3) and the middle level lifting steelframe (2) by rack and pinion engagement transmission lifting; Be provided with servo-actuated chain (6) between middle level lifting steelframe (2) and the outer servo-actuated steelframe (1), servo-actuated chain (6) forms servo-actuated times of journey mechanism with the sprocket wheel that cooperates servo-actuated chain and outer servo-actuated steelframe.
2. a kind of twin-stage elevator stage according to claim 1 is characterized in that an end of described servo-actuated chain (6) is fixed on the fixedly top of steelframe (3) of internal layer, and the other end of servo-actuated chain (6) is fixed on the lower end of outer servo-actuated steelframe (1).
3. a kind of twin-stage elevator stage according to claim 1 and 2 is characterized in that described sprocket wheel with cooperating servo-actuated chain is provided with upper sprocket wheel (19) and lower sprocket (20), is installed in respectively the up and down two ends of middle level lifting steelframe (2).
4. a kind of twin-stage elevator stage according to claim 1 is characterized in that described drive unit (4) comprises motor, reductor, is provided with two output shafts that are located along the same line in the reductor, and output shaft is gear shaft.
5. a kind of twin-stage elevator stage according to claim 4 is characterized in that described gear shaft is the first gear shaft (7), the gear teeth of the first gear shaft (7) end and tooth bar (5) engagement.
6. a kind of twin-stage elevator stage according to claim 5, it is characterized in that described the first gear shaft (7) is by the transition gear transmission, power is passed to second gear shaft (8) parallel with the first gear shaft, the gear teeth of the second gear shaft (8) end and the engagement of the tooth bar (5) of opposite side.
7. the opposite side that according to claim 1 and 2 or 4 or 5 described a kind of twin-stage elevator stages, it is characterized in that tooth bar (5) is provided with guiding back pressure wheel (11).
8. a kind of twin-stage elevator stage according to claim 6, it is characterized in that described drive unit (4) is fixed on internal layer fixedly in the steelframe (3), the first gear shaft (7) is positioned at internal layer fixedly on the steelframe (3) by bearing, and the second gear shaft (8) is positioned at internal layer fixedly on the steelframe (3) by bearing.
9. according to claim or 2 or 4 or 5 described a kind of twin-stage elevator stages, it is characterized in that being provided with vertically arranged guiding device (13) between middle level lifting steelframe (2) and the outer servo-actuated steelframe (1); Described guiding device (13) comprises the guide rail (15) that is fixed on the outer servo-actuated steelframe (1), leads boot of elevator (14), leads boot of elevator (14) and is fixed on the middle level lifting steelframe (2), leads to be provided with in the boot of elevator and leads boots (16) with the self-lubricating material manufacturing.
10. a kind of twin-stage elevator stage according to claim 1 and 2 is characterized in that being provided with travel switch between the servo-actuated steelframe of described skin (1) and the middle level lifting steelframe (2); Middle level lifting steelframe (2) and internal layer fixedly are provided with the stroke protection switch between the steelframe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179759 CN203238997U (en) | 2013-04-11 | 2013-04-11 | Two-stage elevating stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179759 CN203238997U (en) | 2013-04-11 | 2013-04-11 | Two-stage elevating stage |
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| Publication Number | Publication Date |
|---|---|
| CN203238997U true CN203238997U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320179759 Expired - Lifetime CN203238997U (en) | 2013-04-11 | 2013-04-11 | Two-stage elevating stage |
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| CN (1) | CN203238997U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255935A (en) * | 2013-04-11 | 2013-08-21 | 浙江大丰实业有限公司 | Double-level elevator stage |
| CN105484528A (en) * | 2015-11-16 | 2016-04-13 | 济南华北升降平台制造有限公司 | Multi-bench elevating stage |
| CN105883317A (en) * | 2016-01-27 | 2016-08-24 | 滕华 | Intelligent three-axis robot |
| CN105923509A (en) * | 2016-06-27 | 2016-09-07 | 浙江理工大学 | Economical lifting platform for helping the disabled |
| CN106168072A (en) * | 2016-07-29 | 2016-11-30 | 浙江大丰实业股份有限公司 | A kind of multistage lifting formula stage structure |
| CN107816225A (en) * | 2017-10-11 | 2018-03-20 | 浙江大丰实业股份有限公司 | A kind of built-in step type bilayer stage |
-
2013
- 2013-04-11 CN CN 201320179759 patent/CN203238997U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255935A (en) * | 2013-04-11 | 2013-08-21 | 浙江大丰实业有限公司 | Double-level elevator stage |
| CN105484528A (en) * | 2015-11-16 | 2016-04-13 | 济南华北升降平台制造有限公司 | Multi-bench elevating stage |
| CN105484528B (en) * | 2015-11-16 | 2017-12-01 | 济南华北升降平台制造有限公司 | More table top elevator stages |
| CN105883317A (en) * | 2016-01-27 | 2016-08-24 | 滕华 | Intelligent three-axis robot |
| CN105923509A (en) * | 2016-06-27 | 2016-09-07 | 浙江理工大学 | Economical lifting platform for helping the disabled |
| CN105923509B (en) * | 2016-06-27 | 2017-12-29 | 浙江理工大学 | Economical hoistable platform of helping the disabled |
| CN106168072A (en) * | 2016-07-29 | 2016-11-30 | 浙江大丰实业股份有限公司 | A kind of multistage lifting formula stage structure |
| CN107816225A (en) * | 2017-10-11 | 2018-03-20 | 浙江大丰实业股份有限公司 | A kind of built-in step type bilayer stage |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20131016 |