CN2415017Y - Embedded type motor-driven vehicle-lifting machine - Google Patents
Embedded type motor-driven vehicle-lifting machine Download PDFInfo
- Publication number
- CN2415017Y CN2415017Y CN 99254544 CN99254544U CN2415017Y CN 2415017 Y CN2415017 Y CN 2415017Y CN 99254544 CN99254544 CN 99254544 CN 99254544 U CN99254544 U CN 99254544U CN 2415017 Y CN2415017 Y CN 2415017Y
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- Prior art keywords
- lifting
- thread sleeve
- external thread
- fixed
- bar
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- Expired - Fee Related
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Abstract
The utility model relates to an embedded type motor-driven vehicle-lifting machine, which comprises a machine seat, a motor-driven gear change mechanism, a lifting mechanism, and a guide mechanism, wherein, the lifting mechanism comprises an outer screw thread sleeve of a coaxial line device, an inner screw, and a cylinder-shaped lifting rod; the outer screw thread sleeve is screwed with a nut which is fixedly arranged in the machine seat; one end of the inner screw in the outer screw thread sleeve is fastened with the outer screw thread sleeve, and the other end is screwed with the nut which is fixedly arranged in the lifting rod; when the outer screw thread sleeve is driven to take lifting movement by the motor-driven gear change mechanism, the inner screw and the lifting rod are lifted synchronously. The utility model adopts secondary screw thread lifting, the outer screw thread sleeve, the inner screw, and the lifting rod are all embedded into the machine body to be hidden in a pit when the utility model is not operated, and furthermore, the utility model has the advantages of fast lifting and safe operation when the utility model is used.
Description
The utility model relates to a kind of hoisting crane tool.
At present railway truck is when maintenance, and being used to erect car body is to adopt four pressurized air unwheeling devices, and it is often because of the air pressure shakiness, and reasons such as air-tightness component wear gas leakage cause the four scaffold car devices can not synchronization lifting, threaten safety.
In view of above-mentioned, the purpose of this utility model provide a kind of when not operation, can all imbed underground, quick, simple to operate, the safe and reliable flush type electric screw jacks for lifting locomotive of lifting during use.
For reaching above-mentioned purpose, the flush type electric screw jacks for lifting locomotive that the utility model provides comprises following constituent elements:
A) support: comprise frame in the upper spider on the melt pit stylobate, lower bearing bracket, be fixed on the cartridge type housing between upper and lower frame and be installed in the supporting plate of lower bearing bracket below;
B) electric speed-changing device: be fixed between upper and lower frame, on its output shaft driven wheel arranged;
C) lifting mechanism: the external thread sleeve that comprises the coaxial line device, inner screw and tubular lifting bar, external thread sleeve and stubborn the connecing of nut thread that is fixed in the cartridge type housing, stretch out respectively at its two ends, lower bearing bracket and supporting plate, inner screw is positioned at external thread sleeve, its lower end and external thread sleeve are fastening, upper end and stubborn the connecing of nut thread that is fixed in the lifting bar, the hand of spiral of inner screw is opposite with the hand of spiral of external thread sleeve, the inwall bearing fit of the outer wall of lifting bar and external thread sleeve, the outer wall of external thread sleeve and the outer wall of lifting bar have guide surface vertically respectively, one is positioned at geared sleeve between lower bearing bracket and supporting plate outside external thread sleeve, this gear is meshed with driven wheel on the electric speed-changing device axle, interior circle at gear is equipped with slide block, and when gear rotated, the guide surface of external thread sleeve outer wall was along on the slide block, lower slider;
D) guiding mechanism: comprise that the guide surface that is fixed with the guide runner perpendicular with it and spacer, guide runner and lifting bar outer wall on the pilot bar that places the step lifting of support knock hole and external thread sleeve, the pilot bar pastes mutually, spacer is inserted in the annular groove that is opened on the external thread sleeve.
When the flush type electric screw jacks for lifting locomotive that the utility model provides is not worked, in its lifting bar retraction external thread sleeve, in the external thread sleeve retraction casing, complete machine is buried in the melt pit on limit, railway station track, during use, electric speed-changing device drives the external thread sleeve rotation by gear transmission and does dipping and heaving, at this moment, inner screw that is attached thereto and guiding mechanism are also with external thread sleeve one lifting, because the effect of guiding mechanism, the rotation of inner screw makes the lifting bar that is screwed on the inner screw can only make lifting action again, owing to adopt inner screw and external thread sleeve secondary contrarotation screw thread, can not only realize that lifting is quick, but also can reduce spiro rod length, and make the Tibetan go into the melt pit degree of depth and reduce, adopt four such flush type electric screw jacks for lifting locomotive to erect car body, electric logical, the power operation synchronism is good, and is simple to operate, safe and reliable.
Usually, consistent with the line of centers of four electric screw jacks for lifting locomotive that adopted for guaranteeing by the unwheeling body, the horizontal displacement regulating mechanism can be set on the flush type electric screw jacks for lifting locomotive, this mechanism comprises the tooth bar of device on rack slide, be fixed on end on the electric speed-changing device output shaft driving lever of roll sleeve is arranged, pass through the axle that upper and lower frame can promote or transfer, this a end is fixed with and is used for and the tooth bar mating gear, the other end is fixed with and is used for the handsetting gear that is meshed with roll sleeve on the driving lever, they promote or transfer with axle separately with tooth bar with the roll sleeve engagement or separate.Like this, by promoting or transfer axle, when the tooth that makes axle two ends meshed with roll sleeve and tooth bar respectively, electric screw jacks for lifting locomotive just can move on rack slide.
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is a kind of concrete structure scheme drawing of the utility model;
Fig. 2 is the A-A cutaway view (for imbedding underground state) of Fig. 1.
Fig. 3 is the C-C cutaway view of Fig. 1;
Fig. 4 is the B-B cutaway view of Fig. 1;
Fig. 5 is that the F of Fig. 2 is to (driving lever cooperates with handsetting gear) enlarged diagram.
With reference to accompanying drawing, the flush type electric screw jacks for lifting locomotive comprises following constituent elements:
A) support: comprise frame in the upper spider on the melt pit stylobate 7, lower bearing bracket 1, be fixed on the cartridge type housing 5 between upper and lower frame and be installed in the supporting plate 15 of lower bearing bracket 1 below; Here, 7 of upper spiders are on the rack slide 34 that is fixed in the melt pit stylobate, and for ease of assembling, two sleeves of cartridge type housing 5 usefulness change.On the surface of melt pit cover plate 35 is set;
B) be fixed on electric speed-changing device 2 between upper and lower frame, its output shaft 11 stretches out lower bearing bracket 1, and on axle driven wheel 3 is installed;
C) lifting mechanism: the external thread sleeve 9 that comprises the coaxial line device, inner screw 1O and tubular lifting bar 12, external thread sleeve 9 and stubborn the connecing of nut 8 screw threads that is fixed in the cartridge type housing 5, stretch out respectively at its two ends, lower bearing bracket and supporting plate, inner screw 10 is positioned at external thread sleeve 9, its lower end and external thread sleeve are fastening, upper end and stubborn the connecing of nut 13 screw threads that is fixed in the lifting bar 12, the hand of spiral of inner screw is opposite with the hand of spiral of external thread sleeve, be enhance mechanical strength, the screw thread of external thread sleeve and inner screw is generally to adopt flat thread for well, the inwall bearing fit of the outer wall of lifting bar and external thread sleeve, in this example, inwall at external thread sleeve is provided with lining 6, in case the external thread sleeve inwall is worn.And the end face that makes lifting bar is the spill sphere, the bottom is housed on it is the load-bearing holder of spherical surface body 24, this holder head utilizes the screws 25 and lifting bars location that place in the spherical surface body centre hole 26, the lifting bar end is adapted to had good, pulsation-free contact surface by the unwheeling body.The outer wall of external thread sleeve and the outer wall of lifting bar have guide surface 14,17 vertically respectively, one gear 4 that is positioned at 15 of lower bearing bracket 1 and supporting plates is enclosed within outside the external thread sleeve, this gear 4 is meshed with driven wheel 3 on the electric speed-changing device axle, interior circle at gear 4 is equipped with slide block 16, when driven wheel 3 driven gears 4 rotated, the guide surface of external thread sleeve outer wall was along slide block 16 upper and lower slips;
D) guiding mechanism: comprise pilot bar 19, guide runner 18, spacer 21.In the diagram concrete structure, upper and lower frame at support, the knock hole 23 that passes through for pilot bar 19 is all arranged on housing and the supporting plate, guide runner 18 and spacer 21, perpendicular to pilot bar 19, utilize stay bearing plate 20 to be fixed on the end of pilot bar, guide runner 18 pastes mutually with the guide surface 17 of lifting bar outer wall, spacer is inserted in the annular groove 22 that is opened in the external thread sleeve upper end, so can realize pilot bar and external thread sleeve synchronization lifting.
The flush type electric screw jacks for lifting locomotive that present embodiment provides has the horizontal displacement regulating mechanism, this mechanism (referring to Fig. 2) comprises the tooth bar 32 of device on rack slide 34, be fixed on end on the electric speed-changing device output shaft 11 driving lever 27 of roll sleeve 28 is arranged, pass through the axle 30 that upper and lower frame can promote or transfer, this a end is fixed with and is used for and tooth bar 32 mating gear 31, the other end is fixed with and is used for the handsetting gear 29 that is meshed with roll sleeve 28 on the driving lever, they with axle 30 promote or transfer separately with tooth bar 32 with roll sleeve 28 engagements or separate.Figure 2 shows that axle 30 transfers state, if axle promotes, then handsetting gear 29 and roll sleeve 28 engagements, gear 31 and tooth bar 32 engagements, utilize the roll sleeve on the driving lever to drive the handsetting gear rotation, by the effect of gear 31, can make electric screw jacks for lifting locomotive make horizontal displacement thereupon with tooth bar 32.
Claims (5)
1. flush type electric screw jacks for lifting locomotive is characterized in that comprising following constituent elements:
A) support: comprise frame in the upper spider on the melt pit stylobate [7], lower bearing bracket [1], be fixed on the cartridge type housing [5] between upper and lower frame and be installed in the supporting plate [15] of lower bearing bracket [1] below;
B) electric speed-changing device [2]: be fixed between upper and lower frame, driven wheel [3] is arranged on its output shaft [11];
C) lifting mechanism: the external thread sleeve [9] that comprises the coaxial line device, inner screw [10] and tubular lifting bar [12], external thread sleeve [9] and stubborn the connecing of nut [8] screw thread that is fixed in the cartridge type housing [5], stretch out respectively at its two ends, lower bearing bracket and supporting plate, inner screw [10] is positioned at external thread sleeve [9], its lower end and external thread sleeve are fastening, upper end and stubborn the connecing of nut [13] screw thread that is fixed in the lifting bar [12], the hand of spiral of inner screw is opposite with the hand of spiral of external thread sleeve, the inwall bearing fit of the outer wall of lifting bar and external thread sleeve, the outer wall of external thread sleeve and the outer wall of lifting bar have guide surface [14] vertically respectively, [17], one gear [4] that is positioned between lower bearing bracket [1] and supporting plate [15] is enclosed within outside the external thread sleeve, this gear [4] is meshed with driven wheel [3] on the electric speed-changing device axle, interior circle at gear [4] is equipped with slide block [16], when gear [4] rotated, the guide surface of external thread sleeve outer wall was along on the slide block [16], lower slider;
D) guiding mechanism: comprise that the guide surface [17] that is fixed with the guide runner perpendicular with it [18] and spacer [21], guide runner and lifting bar outer wall on the pilot bar [19] that places support knock hole [23] and external thread sleeve [9] synchronization lifting, the pilot bar pastes mutually, spacer is inserted in the annular groove [22] that is opened in the external thread sleeve upper end.
2. by the described flush type electric screw jacks for lifting locomotive of claim 1, it is characterized in that it has the horizontal displacement regulating mechanism, this mechanism comprises the tooth bar [32] of device on rack slide [34], be fixed on end on the electric speed-changing device output shaft [11] driving lever [27] of roll sleeve [28] is arranged, pass through, the axle [30] that lower bearing bracket can promote or transfer, this a end is fixed with and is used for and tooth bar [32] mating gear [31], the other end is fixed with and is used for the handsetting gear [29] that is meshed with roll sleeve [28] on the driving lever, they with axle [30] promote or transfer separately with tooth bar [32] with roll sleeve [28] engagement or separate.
3. by the described flush type electric screw jacks for lifting locomotive of claim 1, it is characterized in that the end face of lifting bar is the spill sphere, the bottom be housed on it be the load-bearing holder head [24] of spherical surface body that this holder head utilizes the screw [25] and lifting bar location that places in the spherical surface body centre hole [26].
4. by the described flush type electric screw jacks for lifting locomotive of claim 1, the screw thread that it is characterized in that said external thread sleeve is a flat thread.
5. by the described flush type electric screw jacks for lifting locomotive of claim 1, the screw thread that it is characterized in that said inner screw is a flat thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99254544 CN2415017Y (en) | 1999-11-23 | 1999-11-23 | Embedded type motor-driven vehicle-lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99254544 CN2415017Y (en) | 1999-11-23 | 1999-11-23 | Embedded type motor-driven vehicle-lifting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2415017Y true CN2415017Y (en) | 2001-01-17 |
Family
ID=34038144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99254544 Expired - Fee Related CN2415017Y (en) | 1999-11-23 | 1999-11-23 | Embedded type motor-driven vehicle-lifting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2415017Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618654A (en) * | 2015-12-31 | 2016-06-01 | 太原重工股份有限公司 | Lifting rotary table |
| CN107827026A (en) * | 2017-11-29 | 2018-03-23 | 沈阳奥托斯机械设备有限公司 | Imbeded type electric hoister and its control system |
-
1999
- 1999-11-23 CN CN 99254544 patent/CN2415017Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618654A (en) * | 2015-12-31 | 2016-06-01 | 太原重工股份有限公司 | Lifting rotary table |
| CN107827026A (en) * | 2017-11-29 | 2018-03-23 | 沈阳奥托斯机械设备有限公司 | Imbeded type electric hoister and its control system |
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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 |