CN203335137U - Gear type pneumatic motor - Google Patents
Gear type pneumatic motor Download PDFInfo
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- CN203335137U CN203335137U CN2013204075544U CN201320407554U CN203335137U CN 203335137 U CN203335137 U CN 203335137U CN 2013204075544 U CN2013204075544 U CN 2013204075544U CN 201320407554 U CN201320407554 U CN 201320407554U CN 203335137 U CN203335137 U CN 203335137U
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- gear
- output shaft
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- driving
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Abstract
The utility model relates to a gear type pneumatic motor, and belongs to the technical field of pneumatic motors. The gear type pneumatic motor comprises an output shaft, a back cover and an air cylinder shell, the back cover and the air cylinder shell are buckled with each other, a driving gear and a driven gear which are meshed with each other are arranged inside the air cylinder shell, rotation cavities with arc-type cross sections are formed in the positions, corresponding to the driving gear and the driven gear, inside the air cylinder shell respectively, an air inlet and an air outlet are formed in the air cylinder shell corresponding to the meshed direction of the driving gear and the driven gear, the gaps between the rotating outer circle lines of the driving gear and the driven gear and the inner arc lines of the rotation cavities are 0.015mm-0.03mm, the driving gear is installed inside the air cylinder shell through a driving bearing pack, the output shaft is installed inside the air cylinder shell through an output shaft bearing pack, the driven gear is installed on the output shaft through a driven bearing pack, and the output shaft is in transmission connection with the driving gear through a gear set. The gear type pneumatic motor is small in size and light in weight, and meanwhile effectively increases the torque.
Description
Technical field
The utility model relates to a kind of gear-type pneumatic motor, belongs to the pneumatic motor technical field.
Background technique
Current pneumatic gear hand drill, be applicable to the suspension roof support operation of tunnel coal road and half coal rock tunnel, rock gangway.Both bolthole can be bored, resin medicine class anchor pole can be stirred and install again.This owner wants advantage to be: it is little, lightweight, simple to operate, easy to maintenance to have a volume.Adopt the gear-type pneumatic motor smooth running, reliability is strong, rational in infrastructure, strong adaptability, thereby receive praises from customers.But in use generally reflect that torque is slightly little, hope can be improved, increase torque, and possess equally little, the lightweight characteristics of volume, and will increase torque, in general will strengthen the pneumatic motor size, certainly will increase weight like this.
The model utility content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: a kind of gear-type pneumatic motor is provided, and it is simple in structure, possessing little, the lightweight while of same volume, has increased torque.
Gear-type pneumatic motor described in the utility model, comprise output shaft, the bonnet and the cylinder shell that mutually fasten, be provided with intermeshing driving gear and driven gear in cylinder shell, corresponding driving gear and driven gear are provided with the rotation cavity that cross section is circular arc type in cylinder shell respectively, the engagement direction of corresponding driving gear and driven gear offers suction port and relief opening on cylinder shell, it is characterized in that: the gap between the interior camber line of the rotation cylindrical line of driving gear and driven gear and rotation cavity is 0.015mm～0.03mm, driving gear is arranged in cylinder shell by the active bearings group, output shaft is arranged in cylinder shell by the output bearing pack, driven gear is arranged on output shaft by driven bearing pack, output shaft and driving gear are in transmission connection by gear train.
Wherein, preferred described active bearings group comprises the first driving shaft and the second driving shaft that is fixed on the driving gear two ends, the first driving shaft is arranged in cylinder shell by the first active bearings, corresponding the second driving shaft is provided with the cylinder small end cover in cylinder shell, the second driving shaft is arranged in the cylinder small end cover by the second active bearings, and the second driving shaft is by gear train and output shaft gear transmission.
Further, preferably described driven bearing pack comprises two thrust-bearings that are arranged on respectively driven gear inside, and driven gear is arranged on output shaft by thrust-bearing.
Further, described output bearing pack comprises the first driven bearing and the second driven bearing, output shaft is arranged on the cylinder shell front end by the first driven bearing, and corresponding output shaft is provided with the large end cap of cylinder in the cylinder shell rear end, and output shaft is arranged on the large end cap of cylinder by the second driven bearing.
Further, on the output shaft between described two thrust-bearings, two needle bearings are installed, on the output shaft between two needle bearings, movable sheath has setting sleeve, and needle bearing and setting sleeve are separately positioned in driven gear.Can also adopt other bearing when application.
In order to improve sealing effect and working life, be provided with the wave mode circle at described output shaft front end and cylinder shell joint, the wave mode snare is on output shaft.
The same, in order to improve sealing effect and working life, between described bonnet and cylinder shell, be provided with gasket seal, bonnet is fixed by screw and cylinder shell.
Compared with prior art, the utlity model has following beneficial effect:
Pass through the utility model, it is simple in structure, because the rotation cylindrical line of driving gear and driven gear and the gap of rotating between the interior camber line of cavity are 0.015mm～0.03mm, compare with original technology the position that has changed inlet and outlet, especially position during exhaust, so, possessing little, the lightweight while of same volume, effectively increased torque.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A cross-sectional view in Fig. 1;
In figure: 1, cylinder shell 2, driving gear 3, relief opening 4, driven gear 5, output shaft 6, setting sleeve 7, suction port 8, the first active bearings 9, the driven bearing 11 of the first driving shaft 10, first, wave mode circle 12, thrust-bearing 13, needle bearing 14, the large end cap 15 of cylinder, screw 16, the driven bearing 18 of bonnet 17, second, gear train 19, the second driving shaft 20, the second active bearings 21, cylinder small end cover 22, gasket seal.
Embodiment
Below by specific embodiment, the utility model is described in further detail; but not in order to limit the utility model; all within the present invention spirit and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
As Fig. 1, shown in Fig. 2, gear-type pneumatic motor, comprise output shaft 5, the bonnet 16 and the cylinder shell 1 that mutually fasten, be provided with intermeshing driving gear 2 and driven gear 4 in cylinder shell 1, corresponding driving gear 2 and driven gear 4 are provided with the rotation cavity that cross section is circular arc type in cylinder shell 1 respectively, the engagement direction of corresponding driving gear 2 and driven gear 4 offers suction port 7 and relief opening 3 on cylinder shell 1, gap between the interior camber line of the rotation cylindrical line of driving gear 2 and driven gear 4 and rotation cavity is 0.015mm～0.03mm, driving gear 2 is arranged in cylinder shell 1 by the active bearings group, output shaft 5 is arranged in cylinder shell 1 by the output bearing pack, driven gear 4 is arranged on output shaft 5 by driven bearing pack, output shaft 5 is in transmission connection by gear train 18 with driving gear 2.
In the present embodiment, described active bearings group comprises the first driving shaft 9 and the second driving shaft 19 that is fixed on driving gear 2 two ends, the first driving shaft 9 is arranged in cylinder shell 1 by the first active bearings 8, corresponding the second driving shaft 19 is provided with cylinder small end cover 21 in cylinder shell 1, the second driving shaft 19 is arranged in cylinder small end cover 21 by the second active bearings 20, and the second driving shaft 19 is by gear train 18 and output shaft 5 gear transmissions; Described driven bearing pack comprises two thrust-bearings 12 that are arranged on respectively driven gear 4 inside, driven gear 4 is arranged on output shaft 5 by thrust-bearing 12, on output shaft 5 between two thrust-bearings 12, two needle bearings 13 are installed, on output shaft 5 between two needle bearings 13, movable sheath has setting sleeve 6, and needle bearing 13 is separately positioned in driven gear 4 with setting sleeve 6; Described output bearing pack comprises the first driven bearing 10 and the second driven bearing 17, output shaft 5 is arranged on cylinder shell 1 front end by the first driven bearing 10, corresponding output shaft 5 is provided with the large end cap 14 of cylinder in cylinder shell 1 rear end, output shaft 5 is arranged on the large end cap 14 of cylinder by the second driven bearing 17; Described output shaft 5 front ends and cylinder shell 1 joint are provided with wave mode circle 11, and wave mode circle 11 is enclosed within on output shaft 5; Be provided with gasket seal 22 between described bonnet 16 and cylinder shell 1, bonnet 16 is fixing with cylinder shell 1 by screw 15; Gap between the interior camber line of the rotation cylindrical line of described driving gear 2 and driven gear 4 and rotation cavity is 0.02mm,
During use, as shown in Figure 1, when gas enters from suction port 7, will promote driving gear 2 and driven gear 4 rotations, last gas is discharged from relief opening 3, when driving gear 2 rotates, rotatory force will be passed to output shaft 5 by gear train 18, thereby power is exported from output shaft 5.As shown in Figure 2, because driven gear 4 is to be connected with output shaft 5 by driven bearing pack, and driven bearing pack comprises two thrust-bearings 12 that are arranged on respectively driven gear 4 inside, driven gear 4 is connected with output shaft 5 by thrust-bearing 12, on output shaft 5 between two thrust-bearings 12, two needle bearings 13 are installed, on output shaft 5 between two needle bearings 13, movable sheath has setting sleeve 6, needle bearing 13 is separately positioned in driven gear 4 with setting sleeve 6, so improved the stationarity when driven gear 4 meshes with driving gear 2.
The present embodiment is improving forward and backward process national security routine inspection Spot detection to same equipment, and the nominal torque that clearly torque has been brought up under 0.5MPa air pressure by the nominal torque 35KN under original 0.5MPa air pressure is 50KN.
Improve the forward and backward performance parameter table of comparisons as follows:
Claims (7)
1. a gear-type pneumatic motor, comprise output shaft (5), the bonnet (16) and the cylinder shell (1) that mutually fasten, be provided with intermeshing driving gear (2) and driven gear (4) in cylinder shell (1), corresponding driving gear (2) and driven gear (4) are provided with the rotation cavity that cross section is circular arc type in cylinder shell (1) respectively, the engagement direction of corresponding driving gear (2) and driven gear (4) offers suction port (7) and relief opening (3) on cylinder shell (1), it is characterized in that: the gap between the interior camber line of the rotation cylindrical line of driving gear (2) and driven gear (4) and rotation cavity is 0.015mm～0.03mm, driving gear (2) is arranged in cylinder shell (1) by the active bearings group, output shaft (5) is arranged in cylinder shell (1) by the output bearing pack, driven gear (4) is arranged on output shaft (5) by driven bearing pack, output shaft (5) is in transmission connection by gear train (18) with driving gear (2).
2. gear-type pneumatic motor according to claim 1, it is characterized in that: described active bearings group comprises the first driving shaft (9) and the second driving shaft (19) that is fixed on driving gear (2) two ends, the first driving shaft (9) is arranged in cylinder shell (1) by the first active bearings (8), corresponding the second driving shaft (19) is provided with cylinder small end cover (21) in cylinder shell (1), the second driving shaft (19) is arranged in cylinder small end cover (21) by the second active bearings (20), the second driving shaft (19) is by gear train (18) and output shaft (5) gear transmission.
3. gear-type pneumatic motor according to claim 1, it is characterized in that: described driven bearing pack comprises that two are arranged on respectively the inner thrust-bearing (12) of driven gear (4), and driven gear (4) is arranged on output shaft (5) by thrust-bearing (12).
4. gear-type pneumatic motor according to claim 1, it is characterized in that: described output bearing pack comprises the first driven bearing (10) and the second driven bearing (17), output shaft (5) is arranged on cylinder shell (1) front end by the first driven bearing (10), corresponding output shaft (5) is provided with the large end cap of cylinder (14) in cylinder shell (1) rear end, and output shaft (5) is arranged on the large end cap of cylinder (14) by the second driven bearing (17).
5. gear-type pneumatic motor according to claim 3, it is characterized in that: on the output shaft (5) between described two thrust-bearings (12), two needle bearings (13) are installed, the upper movable sheath of output shaft (5) between two needle bearings (13) has setting sleeve (6), and needle bearing (13) is separately positioned in driven gear (4) with setting sleeve (6).
6. according to claim 1,2,3 or 4 described gear-type pneumatic motors, it is characterized in that: described output shaft (5) front end and cylinder shell (1) joint are provided with wave mode circle (11), and wave mode circle (11) is enclosed within on output shaft (5).
7. gear-type pneumatic motor according to claim 1, it is characterized in that: be provided with gasket seal (22) between described bonnet (16) and cylinder shell (1), bonnet (16) is fixing by screw (15) and cylinder shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204075544U CN203335137U (en) | 2013-07-10 | 2013-07-10 | Gear type pneumatic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204075544U CN203335137U (en) | 2013-07-10 | 2013-07-10 | Gear type pneumatic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335137U true CN203335137U (en) | 2013-12-11 |
Family
ID=49703815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204075544U Expired - Fee Related CN203335137U (en) | 2013-07-10 | 2013-07-10 | Gear type pneumatic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335137U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI600823B (en) * | 2016-08-03 | 2017-10-01 | Air motor | |
| CN107476829A (en) * | 2017-10-11 | 2017-12-15 | 封海涛 | Novel gear type steam engine |
| CN110159351A (en) * | 2019-06-03 | 2019-08-23 | 温州凯喜姆鹤飞机械有限公司 | Inner curve gear type pneumatic motor actuator |
-
2013
- 2013-07-10 CN CN2013204075544U patent/CN203335137U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI600823B (en) * | 2016-08-03 | 2017-10-01 | Air motor | |
| CN107476829A (en) * | 2017-10-11 | 2017-12-15 | 封海涛 | Novel gear type steam engine |
| CN110159351A (en) * | 2019-06-03 | 2019-08-23 | 温州凯喜姆鹤飞机械有限公司 | Inner curve gear type pneumatic motor actuator |
| CN110159351B (en) * | 2019-06-03 | 2024-04-23 | 鹤飞机械有限公司 | Internal curve gear type pneumatic motor actuator |
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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 |
Granted publication date: 20131211 Termination date: 20170710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |