CN203319626U - Novel mechanical jacking ensuring device - Google Patents
Novel mechanical jacking ensuring device Download PDFInfo
- Publication number
- CN203319626U CN203319626U CN2013202614390U CN201320261439U CN203319626U CN 203319626 U CN203319626 U CN 203319626U CN 2013202614390 U CN2013202614390 U CN 2013202614390U CN 201320261439 U CN201320261439 U CN 201320261439U CN 203319626 U CN203319626 U CN 203319626U
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- CN
- China
- Prior art keywords
- nut
- screw rod
- jacking
- machinery
- ejection device
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- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a novel mechanical jacking ensuring device which comprises a connecting disc, a screw rod, a nut, a base, an outer shell body, a spur gear and a hydraulic motor. A cushion plate is connected with the upper portion of the connecting disc, the screw rod is connected with the lower portion of the connecting disc, the screw rod is arranged in the nut and is connected with the nut through threads, the lower end of the nut is supported on the base, the screw rod and the nut are both arranged in the outer shell body, the outer shell body and the base are welded into a whole, the spur gear is meshed with the outer side face of the nut, and the hydraulic motor is connected with the spur gear. According to the novel mechanical jacking ensuring device, the structure of the screw rod and the nut are used, the spur gear is driven to rotate to drive the nut to rotate through the hydraulic motor, therefore, the vertical movement of the screw rod is achieved, the moving speed of the screw rod can be controlled simply by controlling the rotating speed of the hydraulic motor, the screw rod automatically follows a hydraulic cylinder synchronously in the jacking or falling process of the hydraulic cylinder, and when the hydraulic cylinder loses efficiency, the novel mechanical jacking ensuring device can ensure jacking timely within a safety range to ensure the safety of a jacked component.
Description
Technical field
The utility model relates to the lifting installing area, and the machinery that relates in particular to a kind of novelty is protected ejection device.
Background technology
General jacking hydraulic actuating cylinder all exists because hydraulic oil is revealed and problem that can't pressurize.So, need in the jacking process, ancillary method be set, replace hydraulic actuating cylinder load-bearing, i.e. so-called guarantor's ejection device when the hydraulic actuating cylinder fault can't the jacking weight.Guarantor top method commonly used mainly contains spiral support, the support of special-purpose steel pier, plancon support etc. at present, and these methods are manual operation, take working space large, and production time is long, affects subsequent job, wastes time and energy in force.
The utility model content
The purpose of this utility model is to provide a kind of machinery of novelty and protects ejection device, in the process in hydraulic actuating cylinder jacking or decline, makes screw rod automatically and hydraulic cylinder synchronous is followed.When hydraulic actuating cylinder lost efficacy, protect ejection device timely Bao Ding in safe range, guarantee by the safety of jacking member.
For achieving the above object, the utility model provides a kind of machinery of novelty to protect ejection device, it is arranged at by jacking apparatus, described jacking apparatus comprises jacking cylinder and backing plate, described backing plate is arranged on described jacking cylinder, the machinery of described novelty is protected ejection device and is comprised terminal pad, screw rod, nut, base, body skin, straight gear and HM Hydraulic Motor, described terminal pad top is connected with described backing plate, described terminal pad bottom is connected with described screw rod, described screw rod is arranged in described nut and with described nut and is threaded connection, the lower end of described nut is supported on described base, described screw rod and nut all are arranged in described body skin, described body skin and described base are welded into an integral body, the lateral surface engagement of described straight gear and described nut, described HM Hydraulic Motor is connected with described straight gear.
Further, the upper end of described nut by sliding supported condition on described body skin.
Further, the machinery of described novelty is protected ejection device and is also comprised card key and steady ring, and described card key is arranged on the inwall of described body skin, and described steady ring is arranged between the upper end and card key of described nut.
Further, described terminal pad bottom is connected with described screw rod by the anti-rotation locating dowel pin.
Compared with prior art, the utlity model has following beneficial effect:
The machinery of the novelty that the utility model provides is protected the structure that ejection device utilizes screw rod and nut, make straight gear rotating drive nut rotation by HM Hydraulic Motor, and then realize moving up and down of screw rod, the rotating speed of controlling HM Hydraulic Motor can be controlled the moving velocity of screw rod, in the process of hydraulic actuating cylinder jacking or decline, screw rod automatically and hydraulic cylinder synchronous follow, when hydraulic actuating cylinder lost efficacy, the machinery of this novelty protect ejection device can be in safe range Bao Ding in time, guarantee by the safety of jacking member.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The machinery of the novelty that Fig. 1 provides for the utility model embodiment is protected the structural representation of ejection device.
In Fig. 1,
1: terminal pad; 2: card key; 3: steady ring; 4: plain bearing; 5: body skin; 6: HM Hydraulic Motor; 7: straight gear; 8: base; 9: screw rod; 10: nut; 11: the spacing pin of anti-rotation; 12: the jacking cylinder; 13: backing plate; 14: member.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the machinery of the novelty that the utility model proposes being protected to ejection device is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, provide a kind of machinery of novelty to protect ejection device, it is arranged at by jacking apparatus, described jacking apparatus comprises jacking cylinder and backing plate, described backing plate is arranged on described jacking cylinder, the machinery of described novelty is protected ejection device and is comprised terminal pad, screw rod, nut, base, body skin, straight gear and HM Hydraulic Motor, described terminal pad top is connected with described backing plate, described terminal pad bottom is connected with described screw rod, described screw rod is arranged in described nut and with described nut and is threaded connection, the lower end of described nut is supported on described base, described screw rod and nut all are arranged in described body skin, described body skin and described base are welded into an integral body, the lateral surface engagement of described straight gear and described nut, described HM Hydraulic Motor is connected with described straight gear.The machinery of the novelty that the utility model provides is protected the structure that ejection device utilizes screw rod and nut, make straight gear rotating drive nut rotation by HM Hydraulic Motor, and then realize moving up and down of screw rod, the rotating speed of controlling HM Hydraulic Motor can be controlled the moving velocity of screw rod, in the process of hydraulic actuating cylinder jacking or decline, screw rod automatically and hydraulic cylinder synchronous follow, when hydraulic actuating cylinder lost efficacy, the machinery of this novelty protect ejection device can be in safe range Bao Ding in time, guarantee by the safety of jacking member.
Please refer to Fig. 1, the machinery of the novelty that Fig. 1 provides for the utility model embodiment is protected the structural representation of ejection device.
As shown in Figure 1, the utility model embodiment provides a kind of machinery of novelty to protect ejection device, it is arranged at by jacking apparatus, described jacking apparatus comprises jacking cylinder 12 and backing plate 13, described backing plate 13 is arranged on described jacking cylinder 12, the machinery of described novelty is protected ejection device and is comprised terminal pad 1, screw rod 9, nut 10, base 8, body skin 5, straight gear 7 and HM Hydraulic Motor 6, terminal pad 1 top is connected with backing plate 13 by bolt, bottom is connected with screw rod 9 is gapped by anti-rotation locating dowel pin 11, the outside thread of the negative thread of nut 10 and screw rod 9 is Acme thread and mutually mates, the upper end of nut 10 coordinates with body skin 5 by plain bearing 4, and use steady ring 3 and card key 2 to carry out axial limiting, the lower end of nut 10 is bearing on base 8, make 10, nut do the System of Rotating about Fixed Axis motion, body skin 5 is welded into an integral body with base 8, straight gear 7 meshes with the lateral surface of nut 10, HM Hydraulic Motor 6 is rotated by straight gear 7 transmission drive nuts 10, drive screw rod 9 moving linearlies.
When carrying out the lifting operation of member 14, primer fluid pressure motor 6, adjust HM Hydraulic Motor 6 drive screws 9 and move up, and its moving velocity is greater than the speed that jacking cylinder 12 is stretched cylinder, and assurance screw rod 9 is close to the backing plate 13 of member 14 belows all the time.Jacking cylinder 12 is by backing plate 13 jacking members 14, and screw rod 9 is followed jacking cylinder 12 and risen, and plays the Bao Ding effect.
When the decline operation of carrying out member 14,6 contrarotations of primer fluid pressure motor, adjust HM Hydraulic Motor 6 drive screws 9 and move down, and the speed of its retraction is greater than the descending speed of jacking cylinder 12, makes terminal pad 1 and backing plate 13 keep a millimetre-sized distance.The abnormal condition that occur fast-descending once jacking cylinder 12, the machinery of this novelty is protected ejection device can be at the interior Bao Ding that realizes member 14 of grade distance, safe and reliable.
The machinery of the novelty that in sum, the utility model provides is protected ejection device by mainly being comprised of terminal pad 1, screw rod 9, nut 10, base 8, body skin 5, straight gear 7 and HM Hydraulic Motor 6.Terminal pad 1 top connects with the backing plate 13 under member 14 by bolt, and bottom is connected with screw rod 9 is gapped by anti-rotation locating dowel pin 11, and it plays and prevents that screw rod 9 from rotating freely the effect with axial limiting.Outside screw rod 9, screw thread is Acme thread, has good auto-lock function, and screw rod 9 allows to bear the rated load of jacking cylinder 12.Within nut 10, screw thread is Acme thread equally, and its upper end coordinates with body skin 5 by plain bearing 4, and lower end is bearing on base 8, makes it can only do the System of Rotating about Fixed Axis motion.Body skin 5 is solid drawn pipe, with base 8, is welded into an integral body, and the gear case flange of HM Hydraulic Motor 6 is connected with body skin 5 bolts, so that mounting or dismounting.HM Hydraulic Motor 6 is rotated by straight gear 7 transmission drive nuts 10, makes screw rod 9 moving linearlies.In the process of hydraulic actuating cylinder 12 jackings or decline, screw rod 9 is automatically synchronizeed and is followed with hydraulic actuating cylinder 12, when hydraulic actuating cylinder 12 lost efficacy, the machinery of this novelty protect ejection device can be in safe range Bao Ding in time, guarantee by the safety of jacking member 14.
Obviously, those skilled in the art can carry out various changes and distortion and not break away from spirit and scope of the present utility model the utility model.Like this, if within these modifications of the present utility model and distortion belong to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and distortion interior.
Claims (4)
1. the machinery of a novelty is protected ejection device, it is arranged at by jacking apparatus, described jacking apparatus comprises jacking cylinder and backing plate, described backing plate is arranged on described jacking cylinder, it is characterized in that, the machinery of described novelty is protected ejection device and is comprised terminal pad, screw rod, nut, base, body skin, straight gear and HM Hydraulic Motor, described terminal pad top is connected with described backing plate, described terminal pad bottom is connected with described screw rod, described screw rod is arranged in described nut and with described nut and is threaded connection, the lower end of described nut is supported on described base, described screw rod and nut all are arranged in described body skin, described body skin and described base are welded into an integral body, the lateral surface engagement of described straight gear and described nut, described HM Hydraulic Motor is connected with described straight gear.
2. the machinery of novelty according to claim 1 is protected ejection device, it is characterized in that, the upper end of described nut by sliding supported condition on described body skin.
3. the machinery of novelty according to claim 1 is protected ejection device, it is characterized in that, also comprise card key and steady ring, described card key is arranged on the inwall of described body skin, and described steady ring is arranged between the upper end and card key of described nut.
4. protect ejection device according to the machinery of the described novelty of claims 1 to 3 any one, it is characterized in that, described terminal pad bottom is connected with described screw rod by the anti-rotation locating dowel pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202614390U CN203319626U (en) | 2013-05-14 | 2013-05-14 | Novel mechanical jacking ensuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202614390U CN203319626U (en) | 2013-05-14 | 2013-05-14 | Novel mechanical jacking ensuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203319626U true CN203319626U (en) | 2013-12-04 |
Family
ID=49658995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202614390U Expired - Lifetime CN203319626U (en) | 2013-05-14 | 2013-05-14 | Novel mechanical jacking ensuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203319626U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803319A (en) * | 2014-01-29 | 2015-07-29 | 孙世梁 | Screw pipe set type extensible mechanism |
| CN108100934A (en) * | 2017-12-15 | 2018-06-01 | 石家庄飞机工业有限责任公司 | A kind of aircraft bracket |
-
2013
- 2013-05-14 CN CN2013202614390U patent/CN203319626U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803319A (en) * | 2014-01-29 | 2015-07-29 | 孙世梁 | Screw pipe set type extensible mechanism |
| CN108100934A (en) * | 2017-12-15 | 2018-06-01 | 石家庄飞机工业有限责任公司 | A kind of aircraft bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term |