CN210236978U - Multi-stage lead screw and lifting oil cylinder combined lifting device for lifting - Google Patents
Multi-stage lead screw and lifting oil cylinder combined lifting device for lifting Download PDFInfo
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- CN210236978U CN210236978U CN201921099078.8U CN201921099078U CN210236978U CN 210236978 U CN210236978 U CN 210236978U CN 201921099078 U CN201921099078 U CN 201921099078U CN 210236978 U CN210236978 U CN 210236978U
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- 230000009172 bursting Effects 0.000 abstract description 3
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Abstract
The utility model relates to the technical field of building machines, in particular to a combined lifting device of a multistage lead screw and a lifting oil cylinder for lifting, which comprises a bearing platform, at least two movable platforms and a lower support frame, wherein the bearing platform, the at least two movable platforms and the lower support frame are sequentially sleeved on a guide rail from top to bottom; the movable platform comprises a lifting oil cylinder, a movable supporting beam and screw rod supporting beams which are parallel to the movable supporting beam and positioned at two sides above the movable supporting beam, and the lifting oil cylinder is fixedly arranged on the movable supporting beam; a synchronous lifting nut is embedded in the side part of the screw rod supporting beam, and the screw rod supporting beam is provided with a quick return nut which is coaxial with the synchronous lifting nut; compared with the prior art, the lifting oil cylinder can be prevented from bursting, and the lead screw or the pressure-bearing platform suddenly drop, so that the safety performance of the lifting device is ensured, and the problem of poor safety in the past is solved.
Description
Technical Field
The invention relates to the technical field of building machines, in particular to a combined lifting device of a multistage screw rod and a lifting oil cylinder for lifting.
Background
An air building machine which is a new industrialized intelligent construction technology is an equipment platform and a matched construction technology independently developed in China. The air building machine and the building technology realize the industrial intelligent building of cast-in-place reinforced concrete of high-rise houses in a mechanical operation and intelligent control mode. It is characterized by that all the technological processes are integrated and layer-by-layer completed in the air.
At present, an aerial building machine comprises four standard section groups arranged in a rectangular array, a lifting mechanism and a pressure-bearing platform, specifically, a plurality of standard sections are overlapped and fixed in an end-to-end connection mode to form the standard section groups, the pressure-bearing platform is of various types and is generally formed by splicing a plurality of truss section bars, two end parts of each truss section bar are respectively sleeved on two adjacent standard section groups, the lifting mechanism is installed on each standard section group, and the working end of each lifting mechanism is fixedly connected with the truss section bar so as to drive the truss section bar to move upwards or downwards.
The existing lifting mechanism generally adopts a hydraulic cylinder as a driving power source, but the existing lifting mechanism has a complex structure and poor safety performance.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a combined lifting device of a multistage screw rod and a lifting oil cylinder for lifting, which can solve the problem of poor safety.
The purpose of the invention is realized by the following technical scheme: the combined lifting device comprises a pressure bearing platform, at least two movable platforms and a lower support frame, wherein the pressure bearing platform, the at least two movable platforms and the lower support frame are sequentially sleeved on a guide rail from top to bottom; the movable platform comprises a lifting oil cylinder, a movable supporting beam and screw rod supporting beams which are parallel to the movable supporting beam and are positioned on the two sides above the movable supporting beam, the lifting oil cylinder is fixedly arranged on the movable supporting beam, and a telescopic rod of the lifting oil cylinder is fixedly connected with the screw rod supporting beams; the synchronous lifting nut is embedded in the side part of the screw rod supporting beam, the screw rod supporting beam is provided with the quick return nut which is coaxial with the synchronous lifting nut, the lifting device is also provided with a screw rod which sequentially penetrates through the synchronous lifting nut and the quick return nut, the screw rod supporting beam is provided with the quick return hydraulic motor, the quick return hydraulic motor is in transmission connection with the synchronous lifting nut, the movable supporting beam is provided with the synchronous lifting hydraulic motor, and the synchronous lifting hydraulic motor is in transmission connection with the synchronous lifting nut; the movable supporting beam of the movable platform at the lowest part is fixedly connected with the lower supporting frame, the lead screw of the movable platform at the lowest part is fixedly connected with the movable supporting beam of the working platform above the lead screw, and the lead screw of the movable platform at the uppermost part is fixedly connected with the pressure-bearing platform.
The telescopic bracket is a telescopic hydraulic cylinder which is horizontally arranged, a claw is fixedly connected to the working end of the telescopic hydraulic cylinder, and the claw is inserted into a clamping groove of the guide rail in a clamping state.
Wherein, the guide rail includes the standard festival of a plurality of range upon range of rigid couplings, and each standard festival all sets up the work end male draw-in groove that supplies flexible bracket.
Wherein, the movable platform is provided with three.
Wherein, the lower supporting frame is provided with two telescopic brackets which are respectively and symmetrically arranged on the bottom surface of the lower supporting frame.
The guide device is characterized by further comprising a plurality of guide rollers, wherein the guide rollers are fixedly arranged on the movable supporting beam and the pressure-bearing platform respectively, and the working ends of the guide rollers are tightly attached to the guide rail in an assembling state.
The invention has the beneficial effects that: according to the working process of the combined lifting device of the multistage screw rod and the lifting oil cylinder for lifting, in an initial state, the telescopic bracket of the pressure-bearing platform and the telescopic bracket of the lower support frame are both inserted into the guide rail and are in a clamping state, the pressure-bearing platform is in a position to be lifted, namely the distance between the pressure-bearing platform and the lower support frame is shortest, the lifting oil cylinder is in a withdrawing state, if the pressure-bearing platform needs to be lifted, the telescopic bracket of the pressure-bearing platform is withdrawn from the guide rail, and the telescopic bracket of the lower support frame is in a state of being inserted into the guide rail; the lifting oil cylinder on the movable supporting beam of each movable platform extends out to drive the quick return nut to move upwards, the quick return nut drives the screw rod to move upwards, at the moment, the synchronous lifting hydraulic motor corotation drives the synchronous lifting nut to rotate forwards, the lifting oil cylinder and the synchronous lifting nut are formed to simultaneously exert lifting force on the screw rod, the lifting oil cylinder is used as main lifting force, the synchronous lifting nut is used as auxiliary lifting force, the synchronous lifting nut mainly prevents the lifting oil cylinder from bursting, the screw rod or the pressure-bearing platform suddenly drop, the safety performance of the lifting device is guaranteed, and the problem of poor safety in the past is solved.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a multi-stage screw and lift cylinder combined lifting device for lifting according to this embodiment.
Fig. 2 is a schematic structural view of the multi-stage screw and lift cylinder combined lifting device for lifting according to the embodiment after a guide rail is hidden.
Reference numerals: the hydraulic lifting device comprises a quick return hydraulic motor 1, a quick return nut 2, a screw rod 3, a synchronous lifting hydraulic motor 4, a synchronous lifting nut 5, a guide roller 6, a movable supporting beam 7, a pressure-bearing platform 8, a telescopic bracket 9, a lower supporting frame 10, a lifting oil cylinder 11 and a screw rod supporting beam 12.
Detailed Description
The invention is further described with reference to the following examples.
The embodiment of the combined lifting device of the multistage screw rod 3 and the lifting oil cylinder 11 for lifting, disclosed by the invention, as shown in fig. 1 and 2, comprises a pressure bearing platform 8, three movable platforms and a lower support frame 10, which are sequentially sleeved on a guide rail from top to bottom. The guide rail is assembled by a plurality of standard sections which are fixedly connected in a stacked mode, and each standard section is provided with a clamping groove for inserting the working end of the telescopic bracket 9. The pressure bearing platform 8 and the lower support frame 10 are both provided with telescopic brackets 9, as a preferred scheme, the lower support frame 10 is provided with two telescopic brackets 9, and the two telescopic brackets 9 are respectively and symmetrically arranged on the bottom surface of the lower support frame 10; the bearing platform is provided with two telescopic brackets 9, and the two telescopic brackets 9 are symmetrically arranged on the top end surface of the bearing platform 8. The guide rail is provided with a plurality of clamping grooves for inserting the working ends of the telescopic brackets 9 at intervals in the vertical direction. Specifically, the telescopic bracket 9 is a horizontally arranged telescopic hydraulic cylinder, the working end of the telescopic hydraulic cylinder is fixedly connected with a jaw, and the jaw is inserted into a clamping groove of the guide rail (standard knot) in a clamping state. It should be noted that the pressure-bearing platform 8 is a truss platform known to those skilled in the art, and is mainly a work platform.
As an improvement, please refer to fig. 2, the movable platform includes a lifting cylinder 11, a movable supporting beam 7 and a screw rod supporting beam 12 parallel to the movable supporting beam 7 and located at two sides above the movable supporting beam, the lifting cylinder 11 is fixedly installed on the movable supporting beam 7, and a telescopic rod of the lifting cylinder 11 is fixedly connected with the screw rod supporting beam 12; a synchronous lifting nut 5 is embedded in the side part of the screw rod supporting beam 12, the screw rod supporting beam 12 is provided with a quick return nut 2 which is coaxial with the synchronous lifting nut 5, the lifting device is also provided with a screw rod which sequentially penetrates through the synchronous lifting nut 5 and the quick return nut 2, the screw rod supporting beam 12 is provided with a quick return hydraulic motor 1, the quick return hydraulic motor 1 is in transmission connection with the synchronous lifting nut 5, a movable supporting beam 7 is provided with a synchronous lifting hydraulic motor 4, and the synchronous lifting hydraulic motor 4 is in transmission connection with the synchronous lifting nut 5; the movable supporting beam 7 of the movable platform at the lowest part is fixedly connected with the lower supporting frame 10, the screw rod of the movable platform at the lowest part is fixedly connected with the movable supporting beam 7 of the working platform above the movable supporting beam, and the screw rod of the movable platform at the uppermost part is fixedly connected with the pressure-bearing platform 8.
In the working process of the lifting device combining the multistage screw rod 3 and the lifting oil cylinder 11 for lifting of the embodiment, in an initial state, the telescopic bracket 9 of the pressure-bearing platform 8 and the telescopic bracket 9 of the lower support frame 10 are both inserted into the guide rail and are in a clamping state, the pressure-bearing platform 8 is in a position to be lifted, namely, the distance between the pressure-bearing platform 8 and the lower support frame 10 is shortest, the lifting oil cylinder 11 is in a withdrawing state, if the pressure-bearing platform 8 needs to be lifted, the telescopic bracket 9 of the pressure-bearing platform 8 is withdrawn from the guide rail, and the telescopic bracket 9 of the lower support frame 10 is inserted into the guide rail; the lifting oil cylinder 11 on the movable supporting beam 7 of each movable platform extends out to drive the quick return nut 2 to move upwards, the quick return nut 2 drives the screw rod 3 to move upwards, at the moment, the synchronous lifting hydraulic motor 4 rotates forwards to drive the synchronous lifting nut 5 to rotate forwards, the lifting oil cylinder 11 and the synchronous lifting nut 5 are formed to simultaneously exert lifting force on the screw rod 3, the lifting oil cylinder 11 is used as main lifting force, the synchronous lifting nut 5 is used as auxiliary lifting force, the synchronous lifting nut 5 mainly prevents the lifting oil cylinder 11 from bursting, and the screw rod 3 or the pressure-bearing platform 8 suddenly drop down, so that the safety performance of the lifting device is ensured, and the problem of poor safety in the past is solved. Because the stroke of the lifting oil cylinder 11 is short, after the lifting oil cylinder 11 finishes one stroke, the synchronous lifting hydraulic motor 4 stops working, the screw rod 3 is in a static state, the lifting oil cylinder 11 withdraws downwards, the quick return hydraulic motor 1 reverses quickly to drive the quick return nut 2 to reverse, so that the quick return nut 2 and the lifting oil cylinder 11 move downwards along the main lifting screw rod 3 simultaneously, the withdrawal of the lifting oil cylinder 11 is finished, and the next lifting oil cylinder 11 is ready to be jacked.
In this embodiment, the distance between the pressure-bearing platform 8 and the lower support frame 10 can be changed by controlling the movement of the movable support beams 7 of the movable platforms, and the multistage adjustment can be performed according to different conditions, so that the multi-stage adjustable pressure-bearing platform has good applicability.
After the pressure-bearing platform 8 is lifted to a designated position, the telescopic brackets 9 of the pressure-bearing platform 8 are inserted into the guide rails, and then the telescopic brackets 9 of the lower support frame 10 are retracted from the guide rails in preparation for the upward movement of the lower support frame 10. The reverse sequence of movement is repeated in accordance with the above-mentioned lifting steps, thereby completing the upward movement of the lower support frame 10 to the designated position, i.e., returning to the initial state, and completing a lifting process.
In this embodiment, in order to improve the flow degree of the lifting process, the lifting device further includes a plurality of guide rollers 6, the guide rollers 6 are respectively and fixedly mounted on the movable supporting beam 7 and the pressure-bearing platform 8, and in an assembled state, the working ends of the guide rollers 6 are tightly attached to the guide rail.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a multistage lead screw and lift cylinder combination hoisting device for promote which characterized in that: the guide rail device comprises a pressure bearing platform, at least two movable platforms and a lower support frame, wherein the pressure bearing platform, the at least two movable platforms and the lower support frame are sequentially sleeved on a guide rail from top to bottom;
the movable platform comprises a lifting oil cylinder, a movable supporting beam and screw rod supporting beams which are parallel to the movable supporting beam and positioned on the two sides above the movable supporting beam, the lifting oil cylinder is fixedly arranged on the movable supporting beam, and a telescopic rod of the lifting oil cylinder is fixedly connected with the screw rod supporting beam; the synchronous lifting nut is embedded in the side part of the screw rod supporting beam, the screw rod supporting beam is provided with a quick return nut which is coaxial with the synchronous lifting nut, the lifting device is also provided with a screw rod which sequentially penetrates through the synchronous lifting nut and the quick return nut, the screw rod supporting beam is provided with a quick return hydraulic motor, the quick return hydraulic motor is in transmission connection with the synchronous lifting nut, the movable supporting beam is provided with a synchronous lifting hydraulic motor, and the synchronous lifting hydraulic motor is in transmission connection with the synchronous lifting nut;
the movable supporting beam of the movable platform at the lowest part is fixedly connected with the lower supporting frame, the lead screw of the movable platform at the lowest part is fixedly connected with the movable supporting beam of the working platform above the lead screw, and the lead screw of the movable platform at the uppermost part is fixedly connected with the pressure-bearing platform.
2. The combined lifting device of the multistage screw rod and the lifting cylinder for lifting according to claim 1, characterized in that: the telescopic bracket is a telescopic hydraulic cylinder horizontally arranged, a claw is fixedly connected to the working end of the telescopic hydraulic cylinder, and the claw is inserted into a clamping groove of the guide rail in a clamping state.
3. The combined lifting device of the multistage screw rod and the lifting cylinder for lifting according to claim 1, characterized in that: the guide rail includes the standard festival of a plurality of range upon range of rigid couplings, and each standard festival all sets up the work end male draw-in groove that supplies flexible bracket.
4. The combined lifting device of the multistage screw rod and the lifting cylinder for lifting according to claim 1, characterized in that: the movable platform is provided with three.
5. The combined lifting device of the multistage screw rod and the lifting cylinder for lifting according to claim 1, characterized in that: the lower supporting frame is provided with two telescopic brackets which are respectively and symmetrically arranged on the bottom surface of the lower supporting frame.
6. The combined lifting device of the multistage screw rod and the lifting cylinder for lifting according to claim 1, characterized in that: the guide device is characterized by further comprising a plurality of guide rollers, wherein the guide rollers are fixedly arranged on the movable supporting beam and the pressure-bearing platform respectively, and the working ends of the guide rollers are tightly attached to the guide rail in an assembling state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921099078.8U CN210236978U (en) | 2019-07-11 | 2019-07-11 | Multi-stage lead screw and lifting oil cylinder combined lifting device for lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921099078.8U CN210236978U (en) | 2019-07-11 | 2019-07-11 | Multi-stage lead screw and lifting oil cylinder combined lifting device for lifting |
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| Publication Number | Publication Date |
|---|---|
| CN210236978U true CN210236978U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921099078.8U Withdrawn - After Issue CN210236978U (en) | 2019-07-11 | 2019-07-11 | Multi-stage lead screw and lifting oil cylinder combined lifting device for lifting |
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| Country | Link |
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| CN (1) | CN210236978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255423A (en) * | 2019-07-11 | 2019-09-20 | 东莞市华楠骏业机械制造有限公司 | A kind of multistage screw rod for promotion combines lifting device with lift cylinder |
-
2019
- 2019-07-11 CN CN201921099078.8U patent/CN210236978U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255423A (en) * | 2019-07-11 | 2019-09-20 | 东莞市华楠骏业机械制造有限公司 | A kind of multistage screw rod for promotion combines lifting device with lift cylinder |
| CN110255423B (en) * | 2019-07-11 | 2024-08-16 | 深圳市卓越工业化智能建造开发有限公司 | Multi-stage screw rod and lifting oil cylinder combined lifting device for lifting |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 No.4, Yanxing Second Road, Humen Town, Dongguan City, Guangdong Province Patentee after: Guangdong Huanan Junye Machinery Manufacturing Co.,Ltd. Address before: Second 523000 Industrial Zone, Shen Gang community, Humen Town, Guangdong, Dongguan Patentee before: DONGGUAN HUANAN JUNYE MACHINERY MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210220 Address after: 6501, building 1, excellence Century Center, Fuhua Third Road, Futian street, Futian District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Excellence Industrialization Intelligent Construction Development Co.,Ltd. Address before: No.4, Yanxing 2nd Road, Humen Town, Dongguan City, Guangdong Province 523000 Patentee before: Guangdong Huanan Junye Machinery Manufacturing Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200403 Effective date of abandoning: 20240816 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200403 Effective date of abandoning: 20240816 |