CN201973131U - Axial pneumatic clutch power takeoff - Google Patents
Axial pneumatic clutch power takeoff Download PDFInfo
- Publication number
- CN201973131U CN201973131U CN2011201438621U CN201120143862U CN201973131U CN 201973131 U CN201973131 U CN 201973131U CN 2011201438621 U CN2011201438621 U CN 2011201438621U CN 201120143862 U CN201120143862 U CN 201120143862U CN 201973131 U CN201973131 U CN 201973131U
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- China
- Prior art keywords
- power take
- casing
- output shaft
- piston
- spline housing
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Abstract
The utility model relates to an axial pneumatic clutch power takeoff, which belongs to the technical field of the pneumatic clutch power takeoff. According to the technical scheme provided by the utility model, the axial pneumatic clutch power takeoff comprises a power takeoff box body, wherein a spline sleeve is arranged in the power takeoff box body and is distributed in the length direction of the axial line of the power takeoff box body, a piston is sheathed on the spline sleeve, a spring is arranged between the piston and the spline sleeve, and the piston is correspondingly matched with the spring, so the spline sleeve makes axial reciprocating motion in the power takeoff box body, an annular sealing cavity is formed between the piston and the power takeoff box body and is communicated with a compressed air inlet hole arranged on the power takeoff box body, one end of the spline sleeve is provided with a mechanical output shaft engaged with the spline sleeve, and the mechanical output shaft is arranged in the power takeoff box body through a bearing. The axial pneumatic clutch power takeoff has the advantages that the structure is simple and compact, the installation and the use are convenient, the applicability is good, the sealing performance is good, and the axial pneumatic clutch power takeoff is safe and reliable.
Description
Technical field
The utility model relates to the air clutch power taking structure between a kind of power source and transmission device, and especially a kind of shaft type air clutch power take-off belongs to the technical field of air clutch power take-off.
Background technique
As everyone knows, all have output shaft in the most now gearbox or the output gear rotating band has mechanical clutch.The clutch of this clutch is to rely on the wherein slipping clutch at two ends, relies on engagement and disengaging with output shaft of gear-box to realize clutch.The technical characteristics of such clutch is to add an axle with spindle parallel in power take-off, utilizes piston ventilation to make the axle motion, stirs shaft coupling by shift fork or gudgeon and slide block and moves.But the complex structure of this mechanical clutch is installed and used inconvenience, bad adaptability.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of shaft type air clutch power take-off is provided, and it is simple and compact for structure, and is easy to install, and adaptability is good, and good seal performance is safe and reliable.
According to the technological scheme that the utility model provides, described shaft type air clutch power take-off comprises the power take-off casing, is provided with spline housing in the described power take-off casing, and described spline housing distributes along power take-off casing axial length direction at the power take-off casing; Be with piston on the spline housing, be provided with spring between described piston and spline housing, described piston and spring corresponding matching make spline housing do axial to-and-fro motion in the power take-off casing; Form annular seal space between described piston and power take-off casing, described annular seal space is connected with pressurized air inlet hole on the power take-off casing; One end of spline housing is provided with the mechanical output shaft that is meshed, described mechanical output shaft by Bearing Installation in the power take-off casing.
Described power take-off casing is provided with output shaft of gear-box corresponding to the other end that mechanical output shaft is set, and an end of described output shaft of gear-box stretches in the power take-off casing; When moving near the direction of output shaft of gear-box, spline housing can mesh with output shaft of gear-box spline housing under piston action.
Described spline housing is provided with back-up ring corresponding to the end that links to each other with mechanical output shaft, and described back-up ring is positioned at the joint of spline housing and piston.
Be provided with positioning ring in the described power take-off casing, described positioning ring is positioned at the power take-off casing corresponding to the end that mechanical output shaft is set; One end of piston stretches in the positioning ring, and with the positioning ring corresponding matching.
Be provided with Sealing in the described annular seal space.Described bearing is installed in the power take-off casing by end cap and screw.
Be provided with stop ring in the described power take-off casing, described stop ring contacts corresponding to the inwall that bearing is set with the power take-off casing is interior.
The axis of described output shaft of gear-box and mechanical output shaft is located along the same line.
Advantage of the present utility model: be provided with spline housing in the power take-off casing, be with piston on the spline housing, be provided with spring between described piston and spline housing, the interaction force of spring and piston space can make piston drive spline housing and move in the power take-off casing; By Bearing Installation mechanical output shaft is arranged in the power take-off casing, guarantee coaxial output; The machinery output shaft is meshed with spline housing, forms annular seal space between piston and power take-off casing, is provided with Sealing, good seal performance in the annular seal space; In annular seal space behind the injecting compressed air, piston can drive the direction motion of spline housing to output shaft of gear-box, is meshed with output shaft of gear-box until spline housing, finishes the power taking connection procedure by the pressurized air vent; When not having pressurized gas in the annular seal space, piston and spline housing can reach the disengaging of spline housing and output shaft of gear-box under the restoring force effect of spring, power taking is easy and simple to handle, and is simple and compact for structure, easy to install, adaptability is good, and good seal performance is safe and reliable.
Description of drawings
Fig. 1 is user mode figure of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in Figure 1: the utility model comprises output shaft of gear-box 1, spline housing 2, power take-off casing 3, spring 4, annular seal space 5, pressurized air vent 6, Sealing 7, positioning ring 8, piston 9, stop ring 10, back-up ring 11, mechanical output shaft 12, bearing 13, end cap 14 and screw 15.
As shown in Figure 1: described power take-off casing 3 coaxial being fixed on the gearbox, the axis of the axis of power take-off casing 3 and output shaft of gear-box 1 is located along the same line.Be provided with spline housing 2 in the power take-off casing 3, be with piston 9 on the described spline housing 2,2 of described piston 9 and spline housings are provided with spring 4, and piston 9 and spring 4 corresponding matching can make spline housing 2 do axial to-and-fro motion in power take-off casing 3.Along the axial length of power take-off casing 3, the axis of the axis of spline housing 2 and power take-off casing 3 is located along the same line spline housing 2 in power take-off casing 3.In order to allow piston 9 drive spline housing 2 to-and-fro motion, the end of spline housing 2 is provided with back-up ring 11, described back-up ring 11 is positioned at the joint of piston 9 and spline housing 2, when piston 9 moves to back-up ring 11 and with after back-up ring 11 contacts, piston 9 can drive spline housing 2 by back-up ring 11 and move to the K direction in power take-off casing 3; The end of piston 9 contacts with step on the spline housing 2, thereby piston 9 can drive spline housing 2 and moves to the H direction by contact the active force that produces with respective step.End in the spline housing 2 is provided with mechanical output shaft 12, and described mechanical output shaft 12 is positioned at spline housing 2 corresponding to the end that back-up ring 11 is set, and mechanical output shaft 12 is meshed with spline housing 2.Machinery output shaft 12 is installed in the power take-off casing 3 by bearing 13, bearing 13 is installed in the power take-off casing 3 by end cap 14 and screw 15, when mechanical output shaft 12 is installed in the power take-off casing 3 by bearing 13, can guarantee coaxial output, end cap 14 and screw 15 can limit moving axially of bearing 13.Machinery output shaft 12 is meshed with spline housing 2, and 12 of spline housing 2 and mechanical output shafts can relatively move, and the axis of the axis of mechanical output shaft 12 and spline housing 2 is located along the same line.For limited piston 9 drives spline housing 2 to K direction displacement distance, be provided with stop ring 10 in the power take-off casing 3, described stop ring 10 is positioned at power take-off casing 3 corresponding to the end that bearing 13 is set, and stop ring 10 contacts with bearing 13 and power take-off casing 3 corresponding sidewalls.For the motion of piston 9 is led, be provided with positioning ring 8 in the power take-off casing 3, described positioning ring 8 is positioned at power take-off casing 3 corresponding to the end that stop ring 10 is set, and an end of positioning ring 8 contacts with stop ring 10.
One end of piston 9 stretches in the positioning ring 8, and piston 9 contacts with the inwall of positioning ring 8, and piston 9 can move in positioning ring 8; Piston 9 is corresponding with the internal diameter of power take-off casing 3 corresponding to the other end external diameter that stretches in the positioning ring 8, and the outer wall of piston 9 contacts with the inwall of power take-off casing 3, and piston 9 can be interior mobile with power take-off casing 3.After in piston 9 is installed on power take-off casing 3 and positioning ring 8, form annular seal space 5 between the inwall of piston 9 and power take-off casing 3, described annular seal space 5 is connected with pressurized air vent 6 on the power take-off casing 3, can inject pressurized gas by pressurized air vent 6 in annular seal space 5.In order to guarantee the sealability of annular seal space 5, be provided with Sealing 7 in the described annular seal space 5, described Sealing 7 has two, and one is positioned on the piston 9, another is positioned at the end of positioning ring 8, and two Sealings 7 all contact with the inwall of power take-off casing 3.Corresponding to being provided with output shaft of gear-box 1 with the other end that mechanical output shaft 12 is set, an end of described output shaft of gear-box 1 stretches in the power take-off casing 3 in the power take-off casing 3, and contiguous spline housing 2 is corresponding to the other end that links to each other with mechanical output shaft 12.When under the effect of spline housing 2 at spring 4 and piston 9 during to-and-fro motion, spline housing 2 can be meshed with output shaft of gear-box 1, when spline housing 2 with after output shaft of gear-box 1 is meshed, the power of gearbox output outwards can be exported by spline housing 2 and mechanical output shaft 12, be reached the purpose of power taking.Machinery output shaft 12 is located along the same line with the axis of output shaft of gear-box 1.
As shown in Figure 1: during use, power take-off casing 3 is installed on the gearbox, and the axis of the axis of power take-off casing 3 and output shaft of gear-box 1 is located along the same line; Spline housing 2 and piston 9 can be done the to-and-fro motion of H direction and K direction in power take-off casing 3; Output shaft of gear-box 1 stretches in the power take-off casing 3.When initial, annular seal space 5 is connected with the outside by pressurized air vent 6, and spline housing 2 is under the effect of spring 4, and spline housing 2 moves to the K direction with piston 9, and spline housing 2 breaks away from output shaft of gear-box 1.When the needs power taking, by pressurized air vent 6 injecting compressed air in annular seal space 5, the active force that pressurized air produces on piston 9 is enough to overcome the restoring force of 4 pairs of pistons 9 of spring.Behind the injecting compressed air, the active force that air pressure produces acts on the Sealing 7 away from positioning ring 8, and make the active force that acts on the piston 9 overcome the restoring force of spring 4, can make piston 9 drive spline housing 2 and in power take-off casing 3, move, even spline housing 2 is to the direction motion near output shaft of gear-box 1 to the H direction.When spline housing 2 moves under the effect of piston 9, spline housing 2 produces relative moving axially with 12 of mechanical output shafts, and can be enclosed within on the output shaft of gear-box 1 by spline housing 2, output shaft of gear-box 1 is meshed with spline housing 2, thereby output shaft of gear-box 1 link to each other with mechanical output shaft 12 by spline housing 2.When spline housing 2 with after output shaft of gear-box 1 is meshed, output shaft of gear-box 1 is finished the power taking process to gearbox by the outside corresponding active force of output of mechanical output shaft 12.When not needing power taking, stop by pressurized air vent 6 injecting compressed air in annular seal space 5, act on the restoring force that the active force on the piston 9 produces on piston 9 less than spring 4 this moment, to K direction motion, transport to farthest and stop after stop ring 10 contacts by piston 9 under the effect of spring 4 for piston 9; Simultaneously piston 9 drives spline housings 2 to the motion of K direction by back-up ring 11, comes off until spline housing 2 and output shaft of gear-box 1, disconnects being connected of mechanical output shaft 12 and output shaft of gear-box 1, stops power taking from gearbox.In the whole process, spline housing 2 is meshed with mechanical output shaft 12; The mobile guiding of 8 pairs of pistons 9 of positioning ring.
Be provided with spline housing 2 in the utility model power take-off casing 3, be with piston 9 on the spline housing 2,2 of described piston 9 and spline housings are provided with spring 4, and the interaction force that spring 4 and piston are 9 can make piston 9 drive spline housing 2 and move in power take-off casing 3; By bearing 13 mechanical output shaft 12 is installed in the power take-off casing 3, guarantees coaxial output; Machinery output shaft 12 is meshed with spline housing 2, and 3 of piston 9 and power take-off casings form annular seal space 5, are provided with Sealing 7 in the annular seal space 5, good seal performance; In annular seal space 5 behind the injecting compressed air, piston 9 can drive the direction motion of spline housing 2 to output shaft of gear-box 1, is meshed with output shaft of gear-box 1 until spline housing 2, finishes the power taking connection procedure by pressurized air vent 6; When not having pressurized gas in the annular seal space 5, piston 9 and spline housing 2 can reach the disengaging of spline housing 2 and output shaft of gear-box 1 under the restoring force effect of spring 4, and simple and compact for structure, easy to install, adaptability is good, and good seal performance is safe and reliable.
Claims (8)
1. a shaft type air clutch power take-off comprises power take-off casing (3), is provided with spline housing (2) in the described power take-off casing (3), and described spline housing (2) distributes along power take-off casing (3) axial length direction at power take-off casing (3); Be with piston (9) on the spline housing (2), be provided with spring (4) between described piston (9) and spline housing (2), described piston (9) and spring (4) corresponding matching make spline housing (2) do axial to-and-fro motion in power take-off casing (3); It is characterized in that: form annular seal space (5) between described piston (9) and power take-off casing (3), described annular seal space (5) is connected with pressurized air inlet hole (6) on the power take-off casing (3); One end of spline housing (2) is provided with the mechanical output shaft (12) that is meshed, and described mechanical output shaft (12) is installed in the power take-off casing (3) by bearing (13).
2. shaft type air clutch power take-off according to claim 1, it is characterized in that: described power take-off casing (3) is provided with output shaft of gear-box (1) corresponding to the other end that mechanical output shaft (12) is set, and an end of described output shaft of gear-box (1) stretches in the power take-off casing (3); When moving near the direction of output shaft of gear-box (1), spline housing (2) can mesh with output shaft of gear-box (1) spline housing (2) under piston (9) acts on.
3. shaft type air clutch power take-off according to claim 1, it is characterized in that: described spline housing (2) is provided with back-up ring (11) corresponding to the end that links to each other with mechanical output shaft (12), and described back-up ring (11) is positioned at the joint of spline housing (2) and piston (9).
4. shaft type air clutch power take-off according to claim 1 is characterized in that: be provided with positioning ring (8) in the described power take-off casing (3), described positioning ring (8) is positioned at power take-off casing (3) corresponding to the end that mechanical output shaft (12) is set; One end of piston (9) stretches in the positioning ring (8), and with positioning ring (8) corresponding matching.
5. shaft type air clutch power take-off according to claim 1 is characterized in that: be provided with Sealing (7) in the described annular seal space (5).
6. shaft type air clutch power take-off according to claim 1 is characterized in that: described bearing (13) is installed in the power take-off casing (3) by end cap (14) and screw (15).
7. shaft type air clutch power take-off according to claim 1 is characterized in that: be provided with stop ring (10) in the described power take-off casing (3), described stop ring (10) contacts corresponding to the inwall that bearing (13) is set with power take-off casing (3) is interior.
8. shaft type air clutch power take-off according to claim 2 is characterized in that: described output shaft of gear-box (1) is located along the same line with the axis of mechanical output shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201438621U CN201973131U (en) | 2011-05-09 | 2011-05-09 | Axial pneumatic clutch power takeoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201438621U CN201973131U (en) | 2011-05-09 | 2011-05-09 | Axial pneumatic clutch power takeoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201973131U true CN201973131U (en) | 2011-09-14 |
Family
ID=44578234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201438621U Expired - Fee Related CN201973131U (en) | 2011-05-09 | 2011-05-09 | Axial pneumatic clutch power takeoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201973131U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017101035A1 (en) * | 2015-12-16 | 2017-06-22 | 徐州重型机械有限公司 | Speed reducer, hydraulic drive system, and dual-power drive system |
| CN112324907A (en) * | 2020-10-28 | 2021-02-05 | 陕西法士特汽车传动集团有限责任公司 | Direct-drive through shaft power takeoff |
-
2011
- 2011-05-09 CN CN2011201438621U patent/CN201973131U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017101035A1 (en) * | 2015-12-16 | 2017-06-22 | 徐州重型机械有限公司 | Speed reducer, hydraulic drive system, and dual-power drive system |
| CN112324907A (en) * | 2020-10-28 | 2021-02-05 | 陕西法士特汽车传动集团有限责任公司 | Direct-drive through shaft power takeoff |
| CN112324907B (en) * | 2020-10-28 | 2022-08-12 | 陕西法士特汽车传动集团有限责任公司 | Direct-drive through shaft power takeoff |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20200509 |