CN111056405A - Lifting device for elevator car - Google Patents
Lifting device for elevator car Download PDFInfo
- Publication number
- CN111056405A CN111056405A CN201911355837.7A CN201911355837A CN111056405A CN 111056405 A CN111056405 A CN 111056405A CN 201911355837 A CN201911355837 A CN 201911355837A CN 111056405 A CN111056405 A CN 111056405A
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- CN
- China
- Prior art keywords
- plate
- base
- hole
- bearing base
- car
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
- B66B9/025—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable by screw-nut drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
- B66B11/0246—Maintenance features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/0266—Passive systems
- B66B11/0273—Passive systems acting between car and supporting frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a lifting device for an elevator car, which comprises a screw rod, a bearing base and a limiting top plate, wherein the elevator car is arranged between the bearing base and the limiting top plate; the bearing base comprises a base, a bottom plate and an arc-shaped plate, the arc-shaped plate is hinged with the bottom plate, the base is provided with a fixing groove, the bottom of the fixing groove is provided with a through hole, and the auxiliary support penetrates through the through hole to temporarily support the bottom plate; the driving device drives the ball sleeve to rotate, so that the bearing base rises along the screw, the bottom plate is gradually separated from the support of the auxiliary supporting column, and the car presses the bottom plate and the arc plate into the fixing groove under the guidance of the arc plate. By adopting the invention, the car is convenient and quick to install, and the car is easy to replace in the later period.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a lifting device for an elevator car.
Background
Compared with a traction type elevator, the screw type elevator is high in safety. From the working principle of the screw elevator, the unique meshing structure of the screw elevator can ensure that the elevator never falls. And the structure is simple, no counterweight exists, less space is occupied, the space utilization rate is high, and the device is very suitable for the household environment with small amount of soil.
Screw elevators, on the other hand, are generally operated by means of a screw and a screw drive means corresponding to the screw, such as a large nut with a thrust bearing or a threaded sleeve with balls. The existing screw type lift car generally needs to be provided with a screw thread driving device firstly and then a lift car is built on the screw thread driving device, so that the installation is complex.
Moreover, according to the user demand of current elevator, can not change the car generally, and the car is difficult to change. For high-grade hotels and luxury houses with exhibition properties, corresponding car replacement can be carried out according to the propaganda theme in the current year or other requirements, and particularly for the car which cannot be decorated in site construction and needs to be customized in different places.
In addition, in the case of an elevator driven by a plurality of screws, although the number of effective load-carrying persons of the car can be increased, the car is easily inclined as the service time is prolonged and the synchronization errors of the screws are accumulated, and the abrasion of the screw driving device and the screws is also increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a lifting device, wherein a lift car is convenient and quick to install, and the lift car is easy to replace at a later stage.
In order to solve the technical problem, the invention provides a lifting device which is used for loading an elevator car and is characterized by comprising a screw rod, a bearing base and a limit top plate corresponding to the bearing base, wherein the elevator car is arranged between the bearing base and the limit top plate;
the bearing base comprises a base, a bottom plate matched with the bottom of the lift car and arc plates arranged on four sides of the bottom plate, the arc plates are hinged with the bottom plate, the base is provided with a fixing groove matched with the bottom plate, the bottom of the fixing groove is provided with a through hole corresponding to the auxiliary support column, and the auxiliary support penetrates through the through hole to temporarily support the bottom plate;
the driving device drives the ball sleeve to rotate, so that the bearing base rises along the screw, the bottom plate is gradually separated from the support of the auxiliary supporting column, and the car presses the bottom plate and the arc plate into the fixing groove under the guidance of the arc plate.
As an improvement of the scheme, a fixing plate is arranged on the inner wall of the fixing groove, and an elastic piece is arranged between the fixing plate and the inner wall of the fixing groove.
As an improvement of the scheme, the surface of the base is also provided with a groove matched with the arc-shaped plate.
As an improvement of the scheme, the bearing base further comprises a buffer piece, one end of the buffer piece is connected with the bottom of the base, and the other end of the buffer piece is connected with the ball sleeve.
As an improvement of the scheme, at least 4 screw rods are arranged, the bearing base is provided with ball sleeves corresponding to the screw rods in number, and the ball sleeves are symmetrically distributed at four corners of the bearing base.
As an improvement of the above scheme, the lifting device is characterized by further comprising an adjusting device for adjusting the levelness of the bearing base, wherein the adjusting device comprises a main driving gear, a transmission gear and a telescopic device for translating the transmission gear;
the screw rod is provided with a screw rod gear matched with the transmission gear, and the transmission gear moves to a position between the main driving wheel and the screw rod gear through the telescopic device so that the transmission gear is meshed with the main driving gear and the screw rod gear respectively.
As an improvement of the scheme, the bottom of the fixing groove is also provided with a rubber air bag cushion (ps can press the elastic element-fixing plate on two sides), and an expansion through hole for pressure deformation is arranged in the air bag cushion.
As an improvement of the above scheme, the expansion through hole is arranged corresponding to the through hole for the auxiliary supporting column to pass through.
As an improvement of the scheme, the rubber airbag cushion is provided with an inflation valve, the bottom of the base is provided with an inflation hole, and the inflation valve is inserted into the inflation hole.
As the improvement of the above scheme, the limiting top plate comprises a top plate and a connecting column which is used for being in threaded connection with the top of the car, the limiting top plate is provided with a screw rod hole matched with the screw rod, and the screw rod hole is internally provided with a roller which is inconsistent with the screw rod.
The implementation of the invention has the following beneficial effects:
the invention discloses a lifting device which comprises a screw rod, a bearing base and a limiting top plate, wherein a lift car is arranged between the bearing base and the limiting top plate so as to limit the lift car from tipping.
The bearing base is provided with a ball sleeve matched with the screw rod and a driving device for driving the ball sleeve to rotate, so that the bearing base is driven to lift through the rotation of the ball sleeve.
And an auxiliary supporting column is arranged below the bearing base. The bearing base comprises a base, a bottom plate and arc plates arranged on four sides of the bottom plate, the arc plates are hinged with the bottom plate, the base is provided with a fixing groove matched with the bottom plate, the bottom of the fixing groove is provided with a through hole corresponding to the auxiliary supporting column, and the auxiliary supporting column penetrates through the through hole to temporarily support the bottom plate;
consequently, the drive arrangement drive when bearing the base and rising, the bottom plate breaks away from gradually the support of auxiliary stay post, the arc can the perk that makes progress, the dislocation the car is in under the direction of arc, can revolve gradually to predetermined position, impress bottom plate and arc simultaneously in the fixed slot to but make the firm car of arc centre gripping, so simple to operate is swift. Moreover, when the car needs to be replaced, the car can be controlled to descend, the auxiliary supporting columns are utilized to gradually eject the car out of the fixing grooves, so that the bottom plate and the arc-shaped plates are positioned on the same horizontal plane, and the car can be conveniently moved out by workers.
Drawings
FIG. 1 is a schematic view of the construction of the lift device of the present invention;
FIG. 2 is a schematic structural diagram of a load-bearing base of the lifting device of the present invention;
FIG. 3 is a schematic structural view of a limit top plate of the lifting device of the present invention;
FIG. 4 is a schematic view of the ball sleeve of the elevator apparatus of the present invention;
fig. 5 is a schematic structural view of an adjusting device of the lifting device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, 2, 3, 4 and 5, the invention provides a lifting device for loading an elevator car, the lifting device comprises a screw rod 1, a bearing base 2 and a limit top plate 3 corresponding to the bearing base 2, the elevator car is arranged between the bearing base 2 and the limit top plate 3, the bearing base 2 is provided with a ball sleeve 4 matched with the screw rod 1 and a driving device 41 for driving the ball sleeve 4 to rotate, and an auxiliary support column 5 is arranged below the bearing base 2; the bearing base 2 comprises a base 21, a bottom plate 22 matched with the bottom of a car and arc-shaped plates 23 arranged on four sides of the bottom plate, the arc-shaped plates 23 are hinged with the bottom plate 22, the base 21 is provided with a fixing groove 211 matched with the bottom plate 22, the bottom of the fixing groove 211 is provided with a through hole 212 corresponding to the auxiliary supporting column 5, and the auxiliary supporting column 5 penetrates through the through hole 212 to temporarily support the bottom plate 22;
the driving device 41 drives the ball sleeve 4 to rotate, so that the bearing base 2 rises along the screw rod 1, the bottom plate 22 is gradually separated from the support of the auxiliary supporting column 5, and the car presses the bottom plate 22 and the arc-shaped plate 23 into the fixing groove 211 together under the guidance of the arc-shaped plate 23.
Specifically, referring to fig. 3 and 4, the limit top plate 3 includes a top plate 31 and a connecting column 32 for being in threaded connection with the top of the car, the top plate 3 is provided with a screw hole 33 adapted to the screw 1, and a roller 34 abutting against the screw 33 is arranged in the screw hole 33. The surface of the base 21 is further provided with a groove 213 matched with the arc-shaped plate 23, so that the arc-shaped plate 23 and the bottom plate 22 can be positioned on the same horizontal plane with the surface of the base 21, and a worker can move the car above the fixing groove 211.
In order to make it easier for the car to be pressed into the fixing groove 211 together with the floor 22, in order to prevent the car from becoming difficult to engage in the fixing groove 211. The inner wall of the fixing groove 211 is provided with a fixing plate 24, and an elastic member 241 is arranged between the fixing plate 24 and the inner wall of the fixing groove 211. The elastic member 241 is provided to expand the fixing groove 211 so that the car is more easily fitted into the fixing groove 21, and the elastic member 241 keeps the movement of the car restricted by the fixing plate 24. The elastic member 241 is preferably a spring, and the upper end of the fixing plate 24 is rounded to make it easier to compress the spring during the downward insertion of the car.
Further, in order to improve the operation stationarity behind the car installation to improve the comfort of passenger in the use, bear base 2 and still include bolster 6, bolster 6 one end with the bottom of base 21 is connected, the other end with ball sleeve 4 is connected. Moreover, the bottom of fixed slot 211 still is equipped with rubber gasbag pad 7, be equipped with the inflation through-hole 71 that is used for the pressurized deformation in the rubber gasbag pad 7. The arrangement of the rubber airbag cushion 7 can further relieve the discomfort brought to passengers when the elevator is lifted. Preferably, said buffer 6 is a spring or a hydraulic buffer. The rubber air bag cushion 7 and the buffer piece 6 are arranged at the same time, so that the buffer piece with higher stiffness coefficient is properly adopted under the condition of ensuring sufficient buffer effect, and the over-large floating of the lift car during lifting is avoided. On the other hand, in order not to affect the support of the auxiliary supporting column 5 to the bottom plate 22, the expansion through hole 71 is disposed corresponding to the through hole 212 for the auxiliary supporting column 5 to pass through. It should be noted that the number of the expansion through holes may be larger than the number of the through holes to ensure sufficient cushioning property for deformation of the rubber airbag cushion 7. And the aperture of the expansion through hole 71 is larger than that of the through hole 212, so that the through hole 212 cannot be blocked by the expansion through hole 71 due to the compression deformation of the rubber airbag cushion 7 under the condition that the car is unloaded. The rubber airbag cushion 7 is provided with an inflation valve 72, the bottom of the base 21 is provided with an inflation hole 25, and the inflation valve 72 is inserted into the inflation hole 25. The installer can inflate based on the weight of the car actually installed.
In order to improve the bearing capacity of the invention, at least 4 screw rods 1 are arranged, the bearing base 2 is provided with ball sleeves 4 corresponding to the screw rods 1 in number, and the ball sleeves 4 are symmetrically distributed at four corners of the bearing base 2. It should be noted that the ball sleeve 4 is provided with a tooth-shaped portion for transmission, the driving device 41 includes a gear shaft 411 and a motor 412 for driving the gear shaft to rotate, the gear shaft 411 is provided with tooth-shaped portions equal in number to the ball sleeves 4 so as to respectively drive the ball sleeves 4, and the ball sleeves 4 are linked with the gear shaft 411 through a chain.
The lifting device further comprises an adjusting device 8 used for adjusting the levelness of the bearing base, the adjusting device 8 comprises a main driving gear 81, a transmission gear 82, a telescopic device 83 used for translating the transmission gear and a frame plate, and the main driving gear 81, the transmission gear 82 and the telescopic device 83 used for translating the transmission gear are installed on the frame plate. The screw rod 1 is provided with a screw rod gear 11 matched with the transmission gear, and the transmission gear 11 moves to a position between the main driving wheel 81 and the screw rod gear 11 through the telescopic device 83, so that the transmission gear 82 is respectively meshed with the main driving gear 81 and the screw rod gear 11, and the main driving gear 81 can respectively control the rotation of each screw rod 1, thereby adjusting the levelness of the bearing base 2. It should be noted that, referring to fig. 5, the number of the transmission gears between the screw gear 11 and the main driving gear 81 can be increased according to the actual distance and position, and the telescopic device 83 only needs to control one of the transmission gears.
Correspondingly, the load base 2 is provided with an electronic level (not shown in the figures) for detecting the car levelness, in order to feed back the car levelness to the adjusting device 8. The main drive gear 81 may be driven by a motor. On the other hand, when all the transmission gears 82 are respectively engaged with the main driving gear 81 and the screw gear 11, the adjusting device 8 can cooperate with the driving device 41 to jointly drive the lifting of the load-bearing base 2, so as to compensate the problem that the lifting speed of the existing screw elevator is too slow.
Preferably, the telescopic device 83 is an electric push rod.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A lifting device for an elevator car is used for loading the elevator car and is characterized by comprising a screw rod, a bearing base and a limiting top plate corresponding to the bearing base, wherein the elevator car is arranged between the bearing base and the limiting top plate;
the bearing base comprises a base, a bottom plate matched with the bottom of the lift car and arc plates arranged on four sides of the bottom plate, the arc plates are hinged with the bottom plate, the base is provided with a fixing groove matched with the bottom plate, the bottom of the fixing groove is provided with a through hole corresponding to the auxiliary support column, and the auxiliary support penetrates through the through hole to temporarily support the bottom plate;
the driving device drives the ball sleeve to rotate, so that the bearing base rises along the screw, the bottom plate is gradually separated from the support of the auxiliary supporting column, and the car presses the bottom plate and the arc plate into the fixing groove under the guidance of the arc plate.
2. The lifting device as claimed in claim 1, wherein a fixing plate is provided on an inner wall of the fixing groove, and an elastic member is provided between the fixing plate and the inner wall of the fixing groove.
3. The lifting device as claimed in claim 1, wherein the surface of the base is further provided with a groove adapted to the arc-shaped plate.
4. The lift device of claim 1, wherein the load base further comprises a buffer member, one end of the buffer member being coupled to the bottom of the base and the other end of the buffer member being coupled to the ball sleeve.
5. The lifting device as claimed in claim 1, wherein there are at least 4 screws, and the bearing base has ball sleeves corresponding to the number of screws, and the ball sleeves are symmetrically arranged at four corners of the bearing base.
6. The lift device of claim 5, further comprising an adjustment device for adjusting the levelness of said load bearing base, said adjustment device comprising a main drive gear, a drive gear, and a telescoping device for translating said drive gear;
the screw rod is provided with a screw rod gear matched with the transmission gear, and the transmission gear moves to a position between the main driving wheel and the screw rod gear through the telescopic device so that the transmission gear is meshed with the main driving gear and the screw rod gear respectively.
7. The lifting device as claimed in claim 1, wherein a rubber air bag cushion is further provided at the bottom of the fixing groove, and an expansion through hole for deformation under pressure is provided in the air bag cushion.
8. The lifting device as claimed in claim 7, wherein the expansion through hole is provided corresponding to the through hole for the auxiliary support column to pass through.
9. The lifting device as claimed in claim 8, wherein the rubber airbag cushion is provided with an inflation valve, the bottom of the base is provided with an inflation hole, and the inflation valve is inserted into the inflation hole.
10. The lifting device as claimed in claim 1, wherein the limit top plate comprises a top plate and a connecting column for being in threaded connection with the top of the car, the limit top plate is provided with a screw hole matched with the screw, and a roller which is in contact with the screw is arranged in the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355837.7A CN111056405A (en) | 2019-12-25 | 2019-12-25 | Lifting device for elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355837.7A CN111056405A (en) | 2019-12-25 | 2019-12-25 | Lifting device for elevator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111056405A true CN111056405A (en) | 2020-04-24 |
Family
ID=70303354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911355837.7A Pending CN111056405A (en) | 2019-12-25 | 2019-12-25 | Lifting device for elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111056405A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202785182U (en) * | 2012-08-31 | 2013-03-13 | 苏州富士精工电梯有限公司 | Organic building passenger elevator clamped with limit damping |
| CN203545399U (en) * | 2013-09-29 | 2014-04-16 | 广州快菱电梯有限公司 | Packsack-type elevator structure |
| CN105035928A (en) * | 2015-07-08 | 2015-11-11 | 日立电梯（中国）有限公司 | Lift self-balancing device, lift and lift self-balancing adjustment method |
| CN106315368A (en) * | 2016-09-23 | 2017-01-11 | 南安创源机电科技有限公司 | Screw type vertical elevator |
| CN108715390A (en) * | 2018-08-14 | 2018-10-30 | 叶荣伟 | A kind of double ball-screw driving elevators |
| CN109019254A (en) * | 2018-08-14 | 2018-12-18 | 张元� | A kind of multiscrew multi-storey building elevator |
-
2019
- 2019-12-25 CN CN201911355837.7A patent/CN111056405A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202785182U (en) * | 2012-08-31 | 2013-03-13 | 苏州富士精工电梯有限公司 | Organic building passenger elevator clamped with limit damping |
| CN203545399U (en) * | 2013-09-29 | 2014-04-16 | 广州快菱电梯有限公司 | Packsack-type elevator structure |
| CN105035928A (en) * | 2015-07-08 | 2015-11-11 | 日立电梯（中国）有限公司 | Lift self-balancing device, lift and lift self-balancing adjustment method |
| CN106315368A (en) * | 2016-09-23 | 2017-01-11 | 南安创源机电科技有限公司 | Screw type vertical elevator |
| CN108715390A (en) * | 2018-08-14 | 2018-10-30 | 叶荣伟 | A kind of double ball-screw driving elevators |
| CN109019254A (en) * | 2018-08-14 | 2018-12-18 | 张元� | A kind of multiscrew multi-storey building elevator |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200424 |
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| RJ01 | Rejection of invention patent application after publication |