CN2654460Y - Embedded type electro lifting driving machine - Google Patents
Embedded type electro lifting driving machine Download PDFInfo
- Publication number
- CN2654460Y CN2654460Y CN 200320108080 CN200320108080U CN2654460Y CN 2654460 Y CN2654460 Y CN 2654460Y CN 200320108080 CN200320108080 CN 200320108080 CN 200320108080 U CN200320108080 U CN 200320108080U CN 2654460 Y CN2654460 Y CN 2654460Y
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- Prior art keywords
- bearing
- nut
- lifting
- rotating cylinder
- sleeve
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- Expired - Fee Related
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Abstract
The utility model relates to a embedded type dynamoelectric frame machine, which comprises a stand and a winding gear, wherein the stand comprises a bearing support arranged on the basement of platform, a sleeve fixed on the motherboard of the bearing support and used for supporting a lifting sleeve, a gear case and a reducer; the winding gear comprises a screw, a lifting sleeve, a rotating cylinder and an oil cylinder, which are coaxially sleeved with each other from inside to outside, wherein the lifting sleeve is screwed on a bearing nut screwed on a swivel screw; a safety nut is arranged downwards the bearing nut and is screwed on the screw, which is loosely matched with the lifting sleeve by a key. The lifting sleeve is withdrawn back into the stand when out of work, the whole machine can be entirely embedded into the ground or under the basic plane; the reducer can drive the rotating cylinder and the screw connected with the rotating cylinder to turn by gears when working, and then the lifting sleeve lifts along a lead block. The screw can directly acts on the safety nut after the bearing nut is worn into a bareheaded, then the safety nut is separated from the key and enables the simultaneous racing of the safety nut and the screw, and the lifting sleeve dose not rise or fall, therefore the utility model can ensure not only the safe usage, but also timely maintenance.
Description
Technical field
The utility model relates to a kind of hoisting crane tool.
Background technology
Own railway development so far, being used for the unwheeling manufacturing of railway locomotive, passenger vehicle, lorry and subway, light rail vehicle and the weight-lifting equipment and the method for upkeep operation has following several:
1, jack: adopt manual operation, not only labour intensity is big, and the safe reliability extreme difference.
2, driving: adopt driving that vehicle is sling vehicle, be placed on and carry out operation on the iron-clad horses.This kind mode of operation is time-consuming dangerous again.
3, pneumatic car lifting J-Horner; Do not have synchronously, auto-lock function, safety, reliability are very poor.
4, hydraulic pressure car lifting J-Horner: do not have synchronously, auto-lock function, maintenance load are big, and safety, reliability are relatively poor.
5, conventional electric screw jacks for lifting locomotive: have synchronously, auto-lock function, safety, good reliability.But occupy the factory building finite space, hinder the operation that repairs, displacement must be with the driving handling, and is an impediment to and realizes security civilization production.
The disclosed flush type electric screw jacks for lifting locomotive of Chinese patent ZL99254544.7, adopt the lifting tube of outside thread formula, foreign material in use are easy to fall into damage lifting tube and load-bearing nut in the screw lifting tube by thread pitch, cause stuck, and the load-bearing nut is rotation, hidden, thereby the wear pattern of load-bearing nut and the difficult discovery of fault, brought hidden danger for safety and maintenance.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned defective, and a kind of flush type electric screw jacks for lifting locomotive safe and reliable to operation is provided.
Flush type electric screw jacks for lifting locomotive of the present utility model comprises following constituent elements:
1) support: comprise the bearing frame of frame on combating typhoon base in ground, the bearing frame cover plate, be fixed on the sleeve that is used to help lifting tube, gear case and the reductor of bearing frame lower shoe, the driven gear and the driven wheel that are meshed are arranged in the gear case, driven gear and sleeve coaxial line, driven wheel are installed on the output shaft of reductor;
2) lifting mechanism:
Comprise the screw rod that outside coaxial line is nested with from the lining, lifting tube, rotating cylinder and bottom leak free oil tube, the dead in line of this axis and sleeve, wherein, the oil tube is fixed on the bottom of gear case, rotating cylinder places in the oil tube, device is useful on the bearing of concentric locating between the bottom of rotating cylinder and oil tube, the upper end of rotating cylinder is stretched in the gear case, the location is anchored in the axis hole of driven gear and bearing, and the lower end and the screw rod of rotating cylinder are fastening, twists on screw rod and is connected to the load-bearing nut, between load-bearing nut and lifting tube connecting key is arranged, the inwall of lifting tube has step, and step is bearing in the last plane of load-bearing nut, is provided with lock nut below the load-bearing nut, be provided with pressure sensor between lock nut and the load-bearing nut, lock nut is by key and lifting tube easy fit, and lifting tube passes through gear case, sleeve and bearing frame are with the sleeve bearing fit, outside face at lifting tube has guide surface, orienting lug is installed on the bearing frame, and orienting lug pastes mutually with the guide surface of lifting tube, is fastened with the holder head on the top of lifting tube.
When the flush type electric screw jacks for lifting locomotive that the utility model provides was not worked, in the lifting tube retraction support, complete machine can all be imbedded underground or below the basic plane.During use, reductor is by gear transmission driven in rotation tube and the rotation of the screw rod that is attached thereto, and at this moment, the lifting tube that is bearing on the load-bearing nut is made lifting action along orienting lug.After the wearing and tearing of load-bearing nut are shaved clearly, lifting tube is directly stressed on lock nut, at this moment, lock nut has broken away from key, causes lock nut and screw rod to dally simultaneously, and lifting tube just can not rise or fall again, simultaneously, the pressure sensor that is arranged between load-bearing nut and the lock nut gives the alarm, and has not only guaranteed safe in utilizationly, has guaranteed on-call maintenance simultaneously.
Description of drawings
Fig. 1 is a kind of concrete structure scheme drawing of flush type electric screw jacks for lifting locomotive;
Fig. 2 is the A-A section-drawing of Fig. 1.
The specific embodiment
With reference to Fig. 1, Fig. 2, the flush type electric screw jacks for lifting locomotive comprises following constituent elements:
1) support: comprise the frame bearing frame 27 of frame on combating typhoon base in ground, bearing frame cover plate 56, be fixed on the sleeve 22 that is used to help lifting tube, gear case 17 and the reductor 36 of bearing frame lower shoe, in the illustrated example, gear case 17 is fixed on the bottom of sleeve 22 by bolt and pull bar 41.The driven gear 19 and the driven wheel 38 that are meshed are arranged in the gear case 17, driven gear 19 and sleeve 22 coaxial lines, driven wheel 38 is installed on the output shaft of reductor 36, and reductor can adopt cycloidal planetary gear speed reducer or gear change or worm reduction gear.
2) lifting mechanism:
Comprise the screw rod 25 that outside coaxial line is nested with from the lining, lifting tube 13, rotating cylinder 15 and bottom end cap 3 leak frees oil tube 7, the dead in line of this axis and sleeve 22, wherein, oil tube 7 is fixed on the bottom of gear case 17, rotating cylinder 15 places in the oil tube 7, its upper end is stretched in the gear case 17, the location is anchored in the axis hole of driven gear 19 and bearing 18 and 20, the lower end of rotating cylinder 15 and screw rod 25 are fastening, legend, the lower end of screw rod 25 is inserted in the square hole of rotating cylinder base plate fastening by clamp nut 5 and rotating cylinder, bearing 4 and oil tube the link to each other location of the bottom of rotating cylinder 15 by being embedded in end cap 3, and reach screw rod 25 and rotating cylinder 15 are rotated simultaneously.
On screw rod 25, twist and be connected to load-bearing nut 12,13 of load-bearing nut 12 and lifting tubes have connecting key 11, the inwall of lifting tube 13 has step, step is bearing in the last plane of load-bearing nut 12, below load-bearing nut 12, be provided with lock nut 8, be provided with pressure sensor 14 at lock nut 8 upper surfaces, pressure sensor is commercially available, and lock nut 8 is by key 10 and lifting tube 13 easy fits.Lifting tube 13 passes through gear case 17, sleeve 22 and bearing frame 27, with sleeve 22 bearing fits.Outside face at lifting tube 13 has guide surface 21, and orienting lug 35 is installed on the bearing frame 27, and orienting lug 35 pastes mutually with the guide surface 21 of lifting tube 13, is fastened with holder 28 on the top of lifting tube 13, is used for the load-bearing vehicle frame.
Claims (2)
1. flush type electric screw jacks for lifting locomotive is characterized in that comprising following constituent elements:
1) support: comprise the bearing frame (27) of frame on combating typhoon base in ground, bearing frame cover plate (56), be fixed on the sleeve that is used to help lifting tube (22), gear case (17) and the reductor (36) of bearing frame lower shoe, the driven gear (19) and the driven wheel (38) that are meshed are arranged in the gear case (17), driven gear (19) and sleeve (22) coaxial line, driven wheel (38) is installed on the output shaft of reductor (36);
2) lifting mechanism:
Comprise the screw rod that outside coaxial line is nested with from the lining (25), lifting tube (13), rotating cylinder (15) and bottom leak free oil tube (7), the dead in line of this axis and sleeve (22), wherein, oil tube (7) is fixed on the bottom of gear case (17), rotating cylinder (15) places in the oil tube, device is useful on the bearing (4) of concentric locating between the bottom of rotating cylinder and oil tube, the upper end of rotating cylinder is stretched in the gear case (17), the location is anchored on driven gear (19) and bearing (18,20) in the axis hole, the lower end of rotating cylinder (15) and screw rod (25) are fastening, go up the stubborn load-bearing nut (12) that is connected at screw rod (25), between load-bearing nut (12) and lifting tube (13) connecting key (11) is arranged, the inwall of lifting tube (13) has step, step is bearing in the last plane of load-bearing nut (12), be provided with lock nut (8) in the below of load-bearing nut (12), be provided with pressure sensor (14) between lock nut (8) and the load-bearing nut (12), lock nut (8) is by key (10) and lifting tube (13) easy fit, lifting tube (13) passes through gear case (17), sleeve (22) and bearing frame (27), with sleeve (22) bearing fit, outside face at lifting tube (13) has guide surface (21), orienting lug (35) is installed on the bearing frame (27), orienting lug (35) pastes mutually with the guide surface (21) of lifting tube (13), is fastened with holder head (28) on the top of lifting tube (13).
2. flush type electric screw jacks for lifting locomotive according to claim 1 is characterized in that reductor (36) is cycloidal planetary gear speed reducer or gear change or worm reduction gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320108080 CN2654460Y (en) | 2003-11-12 | 2003-11-12 | Embedded type electro lifting driving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320108080 CN2654460Y (en) | 2003-11-12 | 2003-11-12 | Embedded type electro lifting driving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2654460Y true CN2654460Y (en) | 2004-11-10 |
Family
ID=34342504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320108080 Expired - Fee Related CN2654460Y (en) | 2003-11-12 | 2003-11-12 | Embedded type electro lifting driving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2654460Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101228053B (en) * | 2005-07-23 | 2010-05-26 | 约斯特-韦克两合公司 | Support jack |
| CN101228052B (en) * | 2005-07-23 | 2010-11-03 | 约斯特-韦克两合公司 | Supporting disk |
| CN101495347B (en) * | 2006-07-31 | 2011-05-18 | 哈肯搬运技术有限公司 | Lifting device |
-
2003
- 2003-11-12 CN CN 200320108080 patent/CN2654460Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101228053B (en) * | 2005-07-23 | 2010-05-26 | 约斯特-韦克两合公司 | Support jack |
| CN101228052B (en) * | 2005-07-23 | 2010-11-03 | 约斯特-韦克两合公司 | Supporting disk |
| CN101495347B (en) * | 2006-07-31 | 2011-05-18 | 哈肯搬运技术有限公司 | Lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |