CN203009804U - Gear box - Google Patents
Gear box Download PDFInfo
- Publication number
- CN203009804U CN203009804U CN 201220662951 CN201220662951U CN203009804U CN 203009804 U CN203009804 U CN 203009804U CN 201220662951 CN201220662951 CN 201220662951 CN 201220662951 U CN201220662951 U CN 201220662951U CN 203009804 U CN203009804 U CN 203009804U
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- Prior art keywords
- gear
- rotating turret
- gear shaft
- casing
- shaft
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- Withdrawn - After Issue
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Abstract
The utility model discloses a gear box of railway large type track maintenance machinery. The gear box comprises a box body, a driving gear shaft, a driven gear, a middle gear shaft, a vehicle axle gear, a gear shift mechanism and a locking mechanism, wherein the driven gear is fixed on the middle gear shaft, the driven gear is constantly meshed with the driving gear shaft, the gear shift mechanism comprises a gear shift driving cylinder which is fixedly connected on the box body, the gear shift mechanism further comprises a pushing rod, a connecting block and a rotating frame, the pushing rod is arranged in the box body and slides back and forth relative to the box body, a piston rod of the gear shift driving cylinder is connected with one end of the pushing rod, and the other end of the pushing rod is connected with the connecting block in a hinged mode, the connecting block is connected with a rotating frame in a hinged mode, the rotating frame sleeves outside the driving gear shaft and swings around the driving gear shaft, two ends of the middle gear shaft are supported on the rotating frame in a rotating mode, the middle gear shaft is meshed with or separated from the vehicle shaft gear, and the locking mechanism comprises a positioning block which is arranged on the box body and a stroke block which is correspondingly arranged on the rotating frame. The gear box of the railway large type track maintenance machinery is stable in the gear shift process, safe and convenient to operate, and reasonable in structure.
Description
Technical field
The utility model relates to a kind of gear drive of railway large-scale maintenance machinery, especially the hydraulic driving gear-box.
Background technique
Gear-box is realized the gear conversion according to different working condition requirements by gearshift, in order to prevent the accidental movement of gear positions, is provided with the gear locking framework.The shift lock mechanism of existing hydraulic driving gear-box has following dual mode: a kind of is the 08-32 type tamping car auxiliary drive axle gear box of introducing from Plasser ﹠ Theurer company, its mode by handsetting gear is shifted gears, it adopts cylinder to promote shift fork, the shift fork driven gear moves on splined shaft realizes the gear conversion, because the gear meshing backlass is less, when gearshift, driving gear is difficult to insert exactly driven gear, and gearshift is inconvenient; Its locking framework adopts spring, steel ball locking, and the locking reliability is not high, in the situation that the vehicle operating vibrations are large or spring rate is inadequate, the accidental movement of gear positions occurs very easily especially, the off-gear phenomenon namely occurs, thereby damage gear; Another kind is the PGM-48 shaped steel rail grinding machine axle gear box of introducing from U.S. Jackson company, it is shifted gears by the mode of stirring engaging sleeve, due to adopt with the thin-walled engaging sleeve of inside and outside spline with carry out the gear conversion with the gear shaft of external splines and with the gear of internal spline, and utilize the teeth of engaging sleeve to carry out the gear locking, the engaging sleeve manufacture difficulty is large, the gear locking is also unreliable, the gear shaft matching part is many, and processing request is high, and manufacture difficulty is large, stressed complexity, unreasonable structure.
Summary of the invention
The purpose of this utility model be to provide a kind of shift process steadily, easy-to-operate, and rational in infrastructure, the gear-box that is easy to make.
in order to achieve the above object, the technical solution of the utility model is: a kind of gear-box, comprise casing, driving gear shaft, driven gear, intermediate gear shaft, the axletree gear, gearshift and locking framework, wherein said driven gear is fixed on intermediate gear shaft, driven gear and driving gear shaft often mesh, described gearshift comprises the gearshift drive cylinder, the gearshift drive cylinder is connected on casing, described gearshift also comprises push rod, contiguous block and rotating turret, described push rod is positioned at casing, and casing reciprocatingly slides relatively, the piston rod of described gearshift drive cylinder is connected with an end of push rod, the other end and the contiguous block of described push rod are hinged, described contiguous block and rotating turret are hinged, described rotating turret is enclosed within outside driving gear shaft, and swing around driving gear shaft, the equal rotating support in the two ends of described intermediate gear shaft is on rotating turret, when described rotating turret swings, intermediate gear shaft meshes or separates with the axletree gear, described locking framework comprises the corresponding stroke piece that is provided with on the positioning block installed on casing and rotating turret, after the gearshift drive cylinder promotes rotating turret swing and engage a gear, stroke piece on rotating turret can recline mutually with positioning block, with locked position.
Described cabinet wall is provided with guiding groove, and described push rod reciprocatingly slides with guiding groove and coordinates.
Described rotating turret has two yokes, all have attachment hole and supported hole on two yokes, the clutch shaft bearing seat is housed in described attachment hole, the clutch shaft bearing rotating support is passed through respectively on the clutch shaft bearing seat in described driving gear shaft two ends, the clutch shaft bearing seat is bearing on casing by the second bearing again, the supported hole of described two yokes all is equipped with the 3rd bearing, and the two ends of described intermediate gear shaft are all rotated by the 3rd bearing and are bearing on the yoke of rotating turret.
On described casing, stationary axle is installed, on stationary axle, loose fit has two positioning blocks, and the stroke piece on rotating turret corresponds to two, and the faying surface of positioning block and stroke piece is the plane.
Described locking framework also comprises latch, and the both sides of casing respectively are sliding combined with a latch, and when gear-box was in neutral gear position, two latches can be stretched the stroke piece front at rotating turret, swings to stop rotating turret.
Two position transducers are installed on described gearshift drive cylinder, and two position transducers are corresponding with engage a gear and neutral position respectively.
After adopting said structure, gear-box shift process of the present utility model is as follows, when the piston rod of gearshift drive cylinder stretches out, push rod is straight line motion forward, promotes contiguous block, and contiguous block promotes rotating turret again and swings around driving gear shaft, make the engagement of intermediate gear shaft and axletree gear, be the state of putting into gear; When the piston rod of gearshift drive cylinder was retracted, push rod is straight line motion backward, drives contiguous block, and contiguous block makes rotating turret around the driving gear shaft backswing again, and intermediate gear shaft and axletree are out of gear, and is neutral position state.The shift process gear joint is to progress into engagement or out-of-gear gradually, shift process steadily, without impact, easy-to-operate, compared with prior art also have a gear locking reliable, rational in infrastructure, be easy to the advantages such as manufacturing.
Description of drawings
The embodiment who provides below in conjunction with accompanying drawing is described in further detail the utility model.
Fig. 1 is that gear-box of the present utility model is connected to wheel to upper structural representation;
Fig. 2 is the A-A sectional view that the utility model is in the Fig. 1 when putting into gear the position;
Fig. 3 is the A-A sectional view of the utility model Fig. 1 when being in neutral gear position;
Fig. 4 is the B-B sectional view of Fig. 2;
Fig. 5 is the C-C sectional view of Fig. 3;
Fig. 6 is the structural representation of the rotating turret in the utility model;
Fig. 7 is the plan view of Fig. 6.
Embodiment
as Fig. 1, 2, 3, 4, 5, 6, shown in 7, a kind of gear-box of the present utility model, comprise casing 4, driving gear shaft 7, driven gear 10, intermediate gear shaft 11, axletree gear 12, gearshift and locking framework, wherein said driven gear 10 is fixed on intermediate gear shaft 11, driven gear 10 often meshes with driving gear shaft 7, described gearshift comprises gearshift drive cylinder 6, gearshift drive cylinder 6 is connected on casing 4, described gearshift also comprises push rod 17, contiguous block 18 and rotating turret 5, described push rod 17 is positioned at casing 4, and casing 4 reciprocatingly slides relatively, the piston rod 6-1 of described gearshift drive cylinder 6 is connected with an end of push rod 17, the other end of described push rod 17 and contiguous block 18 are hinged, described contiguous block 18 is hinged with rotating turret 5, described rotating turret 5 is enclosed within outside driving gear shaft 7, and swing around driving gear shaft 7, the equal rotating support in the two ends of described intermediate gear shaft 11 is on rotating turret 5, when described rotating turret 5 swings, intermediate gear shaft 11 meshes or separates with axletree gear 12, described locking framework comprises on casing 4 the corresponding stroke piece 15 that is provided with on the positioning block 14 installed and rotating turret 5, after gearshift drive cylinder 6 promotes rotating turret 5 swings and engage a gear, stroke piece 15 on rotating turret 5 can recline mutually with positioning block 14, with locked position.
As shown in Fig. 2,3,4,5, described casing 4 inwalls are provided with guiding groove 4-1, and described push rod 17 reciprocatingly slides with guiding groove 4-1 and coordinates.
As shown in Fig. 1,4,5,6,7, described rotating turret 5 has two yoke 5-1, all have attachment hole 5-1-1 and supported hole 5-1-2 on two yoke 5-1, in described attachment hole 5-1-1, clutch shaft bearing seat 8 is housed, clutch shaft bearing 21 rotating supports are passed through respectively on clutch shaft bearing seat 8 in described driving gear shaft 7 two ends, clutch shaft bearing seat 8 is bearing on casing 4 by the second bearing 9 again, the supported hole 5-1-2 of described two yoke 5-1 all is equipped with the 3rd bearing 20, the two ends of described intermediate gear shaft 11 all by the 3rd bearing 20 rotating supports on the yoke 5-1 of rotating turret 5.
As shown in Fig. 2,3,4,5, reliability for the position that guarantees to put into gear is equipped with stationary axle 13 on described casing 4, and on stationary axle 13, loose fit has two positioning blocks 14, stroke piece 15 on rotating turret 5 corresponds to two, and the faying surface of positioning block 14 and stroke piece 15 is the plane.Like this, after gearshift drive cylinder 6 promoted rotating turret 5 engage a gears, the stroke piece 15 on rotating turret 5 was close to positioning block 14, locked position.Positioning block 14 can be around stationary axle 13 rotations, and the faying surface of assurance stroke piece 15 and the faying surface of positioning block 14 are bonded to each other, and locked secure is reliable.
As shown in Fig. 3,4,5, in order to make the neutral gear position locking reliable, described locking framework also comprises latch 19, the both sides of casing 4 respectively are sliding combined with a latch 19, when gear-box was in neutral gear position, two latches 19 can be stretched stroke piece 15 fronts at rotating turret 5, swung to stop rotating turret 5.A latch 19 is by manually-operable, and another latch 19 is driven by the ram of electric-controlled type.When gear-box was in neutral gear position, two latches 19 stretched out simultaneously and stop rotating turret 5 to swing, and prevented from damaging because misoperation causes the gear engagement.
As shown in Fig. 2,3, reliable in order to guarantee shift lock, 16, two position transducers 16 of two position transducers are installed corresponding with engage a gear and neutral position respectively on described gearshift drive cylinder 6.
as Fig. 1, 2, 3, 4, shown in 5, shift lock course of action of the present utility model is as follows: fluid pressure drive device 3 and driving gear shaft 7 of the present utility model are passed through splined, when the low speed job run, at first input electrical signal, extract the latch 19 of casing 4 both sides, give again the gearshift drive cylinder 6 electrical signal, piston rod 6-1 is stretched out forward, promotion push rod 17 travels forward along the guiding groove 4-1 of casing 4, promote contiguous block 18, contiguous block 18 drives rotating turret 5 and upwards swings (see figure 2) around driving gear shaft 7, make intermediate gear shaft 11 and 12 engagements of axletree gear, stroke piece 15 is fitted with positioning block 14 and is locked, axletree gear 12 is connected on axletree 1, with transmission of power to wheel 2, driving the car load operation moves ahead, when high speed operation, at first give the gearshift drive cylinder 6 electrical signal, piston rod 6-1 is retracted backward, drive push rod 17 moves backward along the guiding groove 4-1 of casing 4, drive contiguous block 18, contiguous block 18 makes rotating turret 5 swing (see figure 3) around driving gear shaft 7 downwards, make intermediate gear shaft 11 and axletree gear 12 break away from engagement, after gearshift finishes, give again latch 19 electrical signal, manually stretch out with the automatically controlled latch 19 of both sides that makes together, the neutral locking, at this moment, gear-box is pulled operation, intermediate gear shaft 11 does not all rotate with driving gear shaft 7, gear-box is in neutral gear position.
Claims (6)
1. gear-box, comprise casing (4), driving gear shaft (7), driven gear (10), intermediate gear shaft (11), axletree gear (12), gearshift and locking framework, wherein said driven gear (10) is fixed on intermediate gear shaft (11), driven gear (10) and the normal engagement of driving gear shaft (7), described gearshift comprises gearshift drive cylinder (6), gearshift drive cylinder (6) is connected on casing (4), it is characterized in that:
A, described gearshift also comprise push rod (17), contiguous block (18) and rotating turret (5),
B, described push rod (17) are positioned at casing (4), and casing (4) reciprocatingly slides relatively,
The piston rod (6-1) of c, described gearshift drive cylinder (6) is connected with an end of push rod (17),
The other end of d, described push rod (17) and contiguous block (18) are hinged,
E, described contiguous block (18) and rotating turret (5) are hinged,
F, described rotating turret (5) are enclosed within outside driving gear shaft (7), and swing around driving gear shaft (7),
The equal rotating support in two ends of g, described intermediate gear shaft (11) on rotating turret (5),
When h, described rotating turret (5) swing, intermediate gear shaft (11) meshes or separates with axletree gear (12),
I, described locking framework comprise the stroke piece (15) that the upper positioning block (14) of installing of casing (4) and the upper correspondence of rotating turret (5) are provided with, after gearshift drive cylinder (6) promotes rotating turret (5) swing and engage a gear, stroke piece (15) on rotating turret (5) can recline mutually with positioning block (14), with locked position.
2. gear-box according to claim 1, it is characterized in that: described casing (4) inwall is provided with guiding groove (4-1), and described push rod (17) reciprocatingly slides with guiding groove (4-1) and coordinates.
3. gear-box according to claim 1, it is characterized in that: described rotating turret (5) has two yokes (5-1), all have attachment hole (5-1-1) and supported hole (5-1-2) on two yokes (5-1), clutch shaft bearing seat (8) is housed in described attachment hole (5-1-1), clutch shaft bearing (21) rotating support is passed through respectively on clutch shaft bearing seat (8) in described driving gear shaft (7) two ends, clutch shaft bearing seat (8) is bearing on casing (4) by the second bearing (9) again, the supported hole (5-1-2) of described two yokes (5-1) all is equipped with the 3rd bearing (20), the two ends of described intermediate gear shaft (11) all by the 3rd bearing (20) rotating support on the yoke (5-1) of rotating turret (5).
4. gear-box according to claim 1, it is characterized in that: stationary axle (13) is installed on described casing (4), the upper loose fit of stationary axle (13) has two positioning blocks (14), stroke piece (15) on rotating turret (5) corresponds to two, and the faying surface of positioning block (14) and stroke piece (15) is the plane.
5. gear-box according to claim 1, it is characterized in that: described locking framework also comprises latch (19), the both sides of casing (4) respectively are sliding combined with a latch (19), when gear-box is in neutral gear position, two latches (19) can be stretched stroke piece (15) front at rotating turret (5), swing to stop rotating turret (5).
6. gear-box according to claim 1, it is characterized in that: two position transducers (16) are installed on described gearshift drive cylinder (6), and two position transducers (16) are corresponding with engage a gear and neutral position respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220662951 CN203009804U (en) | 2012-12-06 | 2012-12-06 | Gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220662951 CN203009804U (en) | 2012-12-06 | 2012-12-06 | Gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009804U true CN203009804U (en) | 2013-06-19 |
Family
ID=48601401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220662951 Withdrawn - After Issue CN203009804U (en) | 2012-12-06 | 2012-12-06 | Gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009804U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542040A (en) * | 2013-08-23 | 2014-01-29 | 天津市祥威传动设备有限公司 | Rectangular axis planetary reducer |
| CN103851180A (en) * | 2012-12-06 | 2014-06-11 | 常州市瑞泰工程机械有限公司 | Gear case |
| CN104235303A (en) * | 2014-10-08 | 2014-12-24 | 常州市瑞泰工程机械有限公司 | Operating gearbox |
| CN108166178A (en) * | 2018-03-21 | 2018-06-15 | 吴江市佳格精密机械有限公司 | A kind of pattern sewing machine handwheel devices adjusted with gear |
| CN110131360A (en) * | 2018-02-09 | 2019-08-16 | 中国铁建高新装备股份有限公司 | Axle gearboxes for material handling vehicles |
-
2012
- 2012-12-06 CN CN 201220662951 patent/CN203009804U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851180A (en) * | 2012-12-06 | 2014-06-11 | 常州市瑞泰工程机械有限公司 | Gear case |
| CN103851180B (en) * | 2012-12-06 | 2016-02-24 | 常州市瑞泰工程机械有限公司 | Gear-box |
| CN103542040A (en) * | 2013-08-23 | 2014-01-29 | 天津市祥威传动设备有限公司 | Rectangular axis planetary reducer |
| CN103542040B (en) * | 2013-08-23 | 2016-08-10 | 天津市祥威传动设备有限公司 | A kind of rectangular axis planetary reducer |
| CN104235303A (en) * | 2014-10-08 | 2014-12-24 | 常州市瑞泰工程机械有限公司 | Operating gearbox |
| CN110131360A (en) * | 2018-02-09 | 2019-08-16 | 中国铁建高新装备股份有限公司 | Axle gearboxes for material handling vehicles |
| CN110131360B (en) * | 2018-02-09 | 2024-08-02 | 中国铁建高新装备股份有限公司 | Material transport vehicle axle gearbox |
| CN108166178A (en) * | 2018-03-21 | 2018-06-15 | 吴江市佳格精密机械有限公司 | A kind of pattern sewing machine handwheel devices adjusted with gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |