CN209940406U - Working platform lifting device - Google Patents
Working platform lifting device Download PDFInfo
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- CN209940406U CN209940406U CN201920643802.2U CN201920643802U CN209940406U CN 209940406 U CN209940406 U CN 209940406U CN 201920643802 U CN201920643802 U CN 201920643802U CN 209940406 U CN209940406 U CN 209940406U
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Abstract
The utility model provides a working platform lifting device, which comprises two guide rails which are arranged in parallel, wherein the inner side wall of each guide rail is provided with a guide chute, the bottom and the top of each guide rail are fixedly provided with a lead screw fixing rod, and the middle part of the side wall of each lead screw fixing rod is provided with a lead screw through a lead screw mounting seat; the lifting trolley is installed between the guide sliding grooves in a sliding fit mode, a gear transmission box assembly is fixed on a middle cross beam of the lifting trolley, the input end of the gear transmission box assembly is connected with a power device used for providing power, and a screw used for forming screw rod transmission fit with a screw rod is installed in the output end of the gear transmission box assembly in a matched mode. This elevating gear can be used for the lift of aircraft maintenance platform, and then satisfies the maintenance of the not co-altitude position of aircraft, great improvement its efficiency of overhauing, guaranteed the security of lift operation moreover.
Description
Technical Field
The utility model relates to an aircraft overhauls frock platform equipment field, especially a work platform elevating gear.
Background
In aircraft repair and high altitude construction, need to repair work platform and guarantee staff's safety, for lightening platform weight and number, need work platform can carry out the lift of big stroke to guarantee the needs of different stations, avoid frequently changing the platform simultaneously in order to improve work efficiency, work platform elevating gear should have self-locking function, should have the manual operation function under the outage condition.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides a work platform elevating gear, this elevating gear can be used for the aircraft to overhaul the lift of platform, and then satisfies the maintenance of the not co-altitude position of aircraft, great improvement its efficiency of overhauing, guaranteed the security of lift operation moreover.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a working platform lifting device comprises two guide rails which are arranged in parallel, wherein the inner side walls of the guide rails are provided with guide chutes, lead screw fixing rods are fixed at the bottoms and the tops of the guide rails, and lead screws are arranged in the middle of the side walls of the lead screw fixing rods through lead screw mounting seats; the lifting trolley is installed between the guide sliding grooves in a sliding fit mode, a gear transmission box assembly is fixed on a middle cross beam of the lifting trolley, the input end of the gear transmission box assembly is connected with a power device used for providing power, and a screw used for forming screw rod transmission fit with a screw rod is installed in the output end of the gear transmission box assembly in a matched mode.
Four corners of the outer side of the lifting trolley are provided with idler wheels matched with the guide sliding grooves.
A guide sleeve mounting seat which is used for being in sliding fit with the screw rod is fixed on the side wall of the lifting trolley, and a guide sleeve is mounted inside the guide sleeve mounting seat.
And a platform mounting frame for mounting the working platform is fixed on the side wall of the lifting trolley.
The power device comprises a motor, an output shaft of the motor is connected with one input shaft of a double-input output speed reducer, and the other input shaft of the double-input output speed reducer is connected with a manual input mechanism; the dual-input output speed reducer is fixedly installed at the top of the gear transmission box assembly, and one of the output shafts is connected with the input end of the gear transmission box assembly.
The manual input mechanism comprises a manual input shaft, the manual input shaft is installed on the middle cross beam through a main shaft hinge seat, and a hand wheel is installed at the other end of the manual input shaft.
The gear transmission case subassembly includes the gear box body, the internally mounted of gear box body has the driving gear, the driving gear is installed on the output shaft of power device's dual input output speed reducer, driving gear and driven gear meshing transmission, driven gear sets up in the outside of screw to can drive its rotation, the bearing is passed through at the both ends of screw and install on the gear box body.
The utility model discloses there is following beneficial effect:
1. the utility model provides a big lift stroke work platform solution: for large-scale ultrahigh working platforms such as vertical tail working platforms, the lifting platform surface is often a cantilever platform surface, and the large lifting stroke can simplify the platform structure, reduce the platform layer number and reduce the platform weight.
2. The utility model discloses operating system passes through the motor, and it is rotatory with dual input output speed reducer drive gear box internal gear, and it is rotatory to drive the screw, because the lead screw is fixed motionless, the screw is rotatory to reciprocate simultaneously, drives lifting platform's reciprocating in the guide rail.
3. The utility model discloses utilize the vice self auto-lock performance of spiral, solved transmission problem and auto-lock problem, reached compact structure, pleasing to the eye, the high purpose of transmission efficiency.
4. The utility model discloses operating system is provided with emergent manual input mechanism, and under the no power supply condition, the manual work can carry out the platform by manual operation and go up and down.
5. The utility model discloses compact structure, safe and reliable can simplify large-scale platform structure, has the ability that highly provides the working face wantonly in the stroke range.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a first perspective three-dimensional view of the present invention.
Fig. 2 is an enlarged view of the upper part of fig. 1 according to the present invention.
Fig. 3 is a second perspective three-dimensional view of the present invention.
Fig. 4 is an enlarged view of a portion of the upper part of fig. 3 according to the present invention.
Fig. 5 is a three-dimensional view of the present invention with the gear case removed.
Fig. 6 is an enlarged view of a portion of the upper portion of fig. 5 according to the present invention.
In the figure: the automatic lifting device comprises a screw fixing rod 1, a screw mounting seat 2, a screw 3, a guide rail 4, a guide chute 5, a guide sleeve mounting seat 6, a gear transmission box assembly 7, a motor 8, a middle cross beam 9, a lifting trolley 10, a roller 11, a platform mounting frame 12, a hand wheel 13, a manual input shaft 14, a main shaft hinge seat 15, a double-input and output speed reducer 16, a screw 17, a driven gear 18, a driving gear 19 and an output shaft 20.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1-6, a working platform lifting device comprises two guide rails 4 arranged in parallel, wherein the inner side walls of the guide rails 4 are provided with guide chutes 5, a lead screw fixing rod 1 is fixed at the bottom and the top of each guide rail 4, and a lead screw 3 is arranged in the middle of the side wall of the lead screw fixing rod 1 through a lead screw mounting seat 2; install lift dolly 10 through sliding fit between the direction spout 5, be fixed with gear drive case subassembly 7 on the middle part crossbeam 9 of lift dolly 10, gear drive case subassembly 7's input links to each other with the power device who is used for providing power, gear drive case subassembly 7's output cooperation is installed and is used for constituting screw drive complex screw 17 with lead screw 3. Through adopting the elevating gear of above-mentioned structure, can be used for the lift of aircraft maintenance platform, and then satisfy the maintenance of the not co-altitude position of aircraft, in the use, through foretell power device drive gear box subassembly 7, again by gear drive box subassembly 7 drive screw 17 rotation, again by the screw drive cooperation between screw 17 and the lead screw 3, drive whole lift dolly 10 and go up and down along guide rail 4 to finally drive lift platform's lift.
Further, four corners of the outer side of the lifting trolley 10 are provided with rollers 11 for matching with the guide sliding groove 5. The friction force of the sliding is effectively reduced by the roller 11.
Furthermore, a guide sleeve mounting seat 6 which is in sliding fit with the screw rod 3 is fixed on the side wall of the lifting trolley 10, and a guide sleeve is mounted inside the guide sleeve mounting seat 6. The guide sleeve can be used for guiding the screw rod 3.
Further, a platform mounting frame 12 for mounting a working platform is fixed on the side wall of the lifting trolley 10. The mounting of the lifting platform is facilitated by the platform mounting frame 12.
Further, the power device comprises a motor 8, an output shaft of the motor 8 is connected with one input shaft of a double-input output speed reducer 16, and the other input shaft of the double-input output speed reducer 16 is connected with a manual input mechanism; the dual-input output reducer 16 is fixedly mounted at the top of the gearbox assembly 7, and one of the output shafts is connected with the input end of the gearbox assembly 7. Through the power device, in the working process, the motor 8 can drive the double-input output speed reducer 16, and then the double-input output speed reducer 16 drives the gear transmission box assembly 7 to rotate.
Furthermore, the manual input mechanism comprises a manual input shaft 14, the manual input shaft 14 is installed on the middle cross beam 9 through a main shaft hinge seat 15, and a hand wheel 13 is installed at the other end of the manual input shaft 14. Through the manual input mechanism, manual operation can be performed under the condition of power failure, in the using process, the hand wheel 13 is rotated manually, the hand wheel 13 drives the manual input shaft 14, the manual input shaft 14 drives the dual-input output speed reducer 16, and finally the lifting purpose is achieved.
Further, gear box subassembly 7 includes the gear box, the internally mounted of gear box has driving gear 19, driving gear 19 is installed on power device's dual input output speed reducer 16's output shaft 20, driving gear 19 and driven gear 18 meshing transmission, driven gear 18 sets up in the outside of screw 17 to can drive its rotation, the both ends of screw 17 are passed through the bearing and are installed on the gear box. Through the gear transmission box assembly 7, in the working process, the driving gear 19 can be driven through the output shaft 20, the driven gear 18 is driven by the driving gear 19, the nut 17 is driven to rotate through the driven gear 18, and finally the whole lifting trolley 10 is lifted through the matching between the nut 17 and the screw rod 3.
The utility model discloses a use as follows:
firstly, a motor 8 drives and drives a double-input and double-output speed reducer 16, an output shaft 20 of the double-input and double-output speed reducer 16 drives a driving gear 19, the driving gear 19 drives a driven gear 18, the driven gear 18 drives a nut 17 to rotate, and the lifting of the whole lifting trolley 10 is realized through the matching between the nut 17 and a screw rod 3;
under the condition of power failure, the manual input shaft 14 can be manually rotated, the manual input shaft 14 drives the dual-input output speed reducer 16, the output shaft 20 of the dual-input output speed reducer 16 drives the driving gear 19, the driving gear 19 drives the driven gear 18, the driven gear 18 drives the screw 17 to rotate, and the lifting of the whole lifting trolley 10 is realized through the matching between the screw 17 and the screw rod 3.
Claims (7)
1. The utility model provides a work platform elevating gear which characterized in that: the guide rail fixing device comprises two guide rails (4) which are arranged in parallel, wherein a guide chute (5) is formed in the inner side wall of each guide rail (4), a lead screw fixing rod (1) is fixed at the bottom and the top of each guide rail (4), and a lead screw (3) is installed in the middle of the side wall of each lead screw fixing rod (1) through a lead screw installing seat (2); install lift dolly (10) through sliding fit between direction spout (5), be fixed with gear drive case subassembly (7) on middle part crossbeam (9) of lift dolly (10), the input of gear drive case subassembly (7) links to each other with the power device who is used for providing power, the output cooperation of gear drive case subassembly (7) is installed and is used for constituting screw drive complex screw (17) with lead screw (3).
2. The work platform lifting device of claim 1, wherein: four corners of the outer side of the lifting trolley (10) are provided with idler wheels (11) which are matched with the guide sliding groove (5).
3. The work platform lifting device of claim 1, wherein: a guide sleeve mounting seat (6) which is in sliding fit with the screw rod (3) is fixed on the side wall of the lifting trolley (10), and a guide sleeve is mounted inside the guide sleeve mounting seat (6).
4. The work platform lifting device of claim 1, wherein: and a platform mounting rack (12) for mounting a working platform is fixed on the side wall of the lifting trolley (10).
5. The work platform lifting device of claim 1, wherein: the power device comprises a motor (8), an output shaft of the motor (8) is connected with one input shaft of a double-input output speed reducer (16), and the other input shaft of the double-input output speed reducer (16) is connected with a manual input mechanism; the double-input and double-output speed reducer (16) is fixedly arranged at the top of the gear transmission box assembly (7), and one output shaft is connected with the input end of the gear transmission box assembly (7).
6. The work platform lifting device of claim 5, wherein: the manual input mechanism comprises a manual input shaft (14), the manual input shaft (14) is installed on the middle cross beam (9) through a main shaft hinge seat (15), and a hand wheel (13) is installed at the other end of the manual input shaft (14).
7. Work platform lifting device according to claim 1 or 5, characterized in that: gear drive case subassembly (7) include the gear box body, the internally mounted of gear box body has driving gear (19), output shaft (20) at power device's dual input output speed reducer (16) are installed in driving gear (19), driving gear (19) and driven gear (18) meshing transmission, driven gear (18) set up in the outside of screw (17) to can drive its rotation, the bearing is passed through at the both ends of screw (17) and is installed on the gear box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920643802.2U CN209940406U (en) | 2019-05-07 | 2019-05-07 | Working platform lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920643802.2U CN209940406U (en) | 2019-05-07 | 2019-05-07 | Working platform lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209940406U true CN209940406U (en) | 2020-01-14 |
Family
ID=69131709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920643802.2U Active CN209940406U (en) | 2019-05-07 | 2019-05-07 | Working platform lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209940406U (en) |
-
2019
- 2019-05-07 CN CN201920643802.2U patent/CN209940406U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200703 Address after: No.1 Lingyun Road, Yuyang office, Dangyang city, Yichang City, Hubei Province Patentee after: Lingyun (Yichang) aviation equipment Engineering Co., Ltd Address before: 444100 98 Yuen Nan Road, Yuyang office, Dangyang city, Yichang, Hubei Patentee before: NO.5710 FACTORY OF PLA |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200821 Address after: No.1 Lingyun Road, Yuyang office, Dangyang city, Yichang City, Hubei Province Co-patentee after: LINGYUN SCIENCE & TECHNOLOGY GROUP Co.,Ltd. Patentee after: Lingyun (Yichang) aviation equipment Engineering Co., Ltd Address before: No.1 Lingyun Road, Yuyang office, Dangyang city, Yichang City, Hubei Province Patentee before: Lingyun (Yichang) aviation equipment Engineering Co., Ltd |
|
| TR01 | Transfer of patent right |