CN209385281U - Double-speed motor - Google Patents
Double-speed motor Download PDFInfo
- Publication number
- CN209385281U CN209385281U CN201920043363.1U CN201920043363U CN209385281U CN 209385281 U CN209385281 U CN 209385281U CN 201920043363 U CN201920043363 U CN 201920043363U CN 209385281 U CN209385281 U CN 209385281U
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- Prior art keywords
- swash plate
- sliding
- cylinder
- sliding block
- double
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- 239000012530 fluid Substances 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Hydraulic Motors (AREA)
Abstract
The utility model relates to hydraulic motor technical field more particularly to double-speed motors.Using setting, there are two the drive end bearing brackets of oil inlet and two oil cylinders, the height of two oil cylinders is different, the swash plate of plunger pump is rotationally connected with drive end bearing bracket, there are two sliding grooves for the bottom setting of swash plate, two sliding blocks are arranged to slide on respectively in two sliding grooves, it is slidably connected in two oil cylinders using two different piston rods of length, two piston rod parts are rotationally connected with two slider bottoms respectively, the above part and connection relationship make piston rod, sliding block and swash plate form necessary reliable connection relationship, when piston rod movement, movement and power are successively passed into sliding block and swash plate.Because two oil cylinders height is different and two piston rod length are different, when an oil inlet is passed through high pressure oil, when another oil return, then swash plate can be made to rotate different angles, form different gradients, therefore be that motor has the characteristics of double speed.
Description
Technical field
The utility model relates to hydraulic motor technical field more particularly to double-speed motors.
Background technique
Hydraulic motor is very widely used in fields such as engineering machinery, metallurgy industry, mine and ships.It is led in engineering machinery
In domain, section hydraulic motor is used as running motor, such as axial piston motor and gerotor motor, needs when engineering machinery is walked merely
The high rpm low torque of running motor is wanted, engineering machinery needs the running motor slow-speed of revolution high torque when pushing object, in such case
Hydraulic motor is just needed to have double speed down, and in current state of the art, the speed regulation of running motor is relied on outside motor and is set
It sets complicated hydraulic control system cooperative mechanical structure or controls the components inside motor using complicated mechanical structure, not only
It is at high cost, and maintenance difficult, reliability are low, it is therefore necessary to carry out the research of the reliable double-speed motor of constructional simplicity energy.
Utility model content
Technical problem to be solved in the utility model is to provide double-speed motor for above-mentioned technical deficiency,
Using setting, there are two the drive end bearing brackets of oil inlet and two oil cylinders, and the height of two oil cylinders is different, the swash plate rotation of plunger pump
It is connected to drive end bearing bracket, there are two sliding grooves for the bottom setting of swash plate, and two sliding blocks are arranged and are slided in two sliding grooves respectively, make
It is slidably connected in two oil cylinders with two different piston rods of length, two piston rod parts are rotationally connected with two cunnings respectively
Block bottom, the above part and connection relationship make piston rod, sliding block and swash plate form necessary reliable connection relationship, work as piston
When bar acts, movement and power are successively passed into sliding block and swash plate.Because of two oil cylinder height differences and two piston rod length
Difference when another oil return, then can make swash plate rotate different angles when an oil inlet is passed through high pressure oil, be formed different
Gradient, therefore be that motor has the characteristics of double speed.
It includes rear cover, shell, front cover dress that in order to solve the above technical problems, the technical scheme adopted by the utility model is:
Set, cylinder device, shaft and connection bolt；Rear cover is arranged in cover top portion；Front cover device is arranged in outer casing bottom；Cylinder device
Inside the housing with shaft setting；Rear cover and front cover device pass through connection bolt and are fixedly connected with shell；It is shaft and rear cover, preceding
The equal bearing connection of lid arrangement；Front cover device includes lid, swash plate, First piston bar, second piston bar, the first sliding block, the second cunning
Block and sliding bearing.
The technical program is advanced optimized, the lid left and right side is respectively arranged with the first hydraulic fluid port and the second oil
Mouthful；Lid top left side and top right side are respectively arranged with the first oil cylinder and the second oil cylinder；Column is additionally provided at the top of lid；Tiltedly
Pan bottom left and right side is respectively arranged with first sliding groove and second sliding slot；Swash plate periphery is evenly arranged with multiple connecting columns.
Advanced optimize the technical program, first hydraulic fluid port and the connection of the first oil cylinder；Second hydraulic fluid port and the second oil cylinder
Connection；First piston bar and second piston bar are slidably connected to the first oil cylinder and the second oil cylinder respectively；At the top of First piston bar and
Second piston top portion is not rotationally connected with the first slider bottom and the second slider bottom；First slider top and the second sliding block
Top is slidably connected to first sliding groove and second sliding slot respectively；Swash plate is rotationally connected at the top of column；Sliding bearing is fixedly connected
In connecting column.
The technical program is advanced optimized, the cylinder device includes cylinder, copper sheathing, plunger, piston shoes and return plate；Cylinder
Body, which runs through, is evenly arranged with multiple connecting holes；Copper sheathing is fixedly connected on connecting hole；Plunger is slidably connected to copper sheathing；Ball at the top of piston shoes
Hinge is connected to plunger base.
The technical program is advanced optimized, the piston shoes basal sliding is connected at the top of swash plate；Shaft spline is connected to
Cylinder.
Compared with prior art, the utility model is had the advantage that 1, is made by two oil inlets of setting using hydraulic
Swash plate generates different inclinations, makes to control very convenient；2, the structure for controlling swashplate angle is more practical, high reliablity.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of double-speed motor.
Fig. 2 is the front cover device and cylinder device connection relationship diagram of double-speed motor.
Fig. 3 is the front cover device assembling schematic diagram of double-speed motor.
Fig. 4 is the front cover device cross-sectional view of double-speed motor.
Fig. 5 is the explosive view of the cylinder device of double-speed motor.
In figure: 1, rear cover；2, shell；3, front cover device；301, lid；302, swash plate；303, First piston bar；304,
Two piston rods；305, the first sliding block；306, the second sliding block；307, sliding bearing；308, the first hydraulic fluid port；309, the second hydraulic fluid port；
310, the first oil cylinder；311, the second oil cylinder；312, column；313, first sliding groove；314, second sliding slot；315, connecting column；4, cylinder
Wound packages is set；401, cylinder；402, copper sheathing；403, plunger；404, piston shoes；405, return plate；406, connecting hole；5, shaft；6, even
Connecting bolt.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment
And referring to attached drawing, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid not
Necessarily obscure the concept of the utility model.
Specific embodiment 1: it is characterized by comprising rear covers 1, shell 2, front cover for double-speed motor in conjunction with shown in Fig. 1-5
Device 3, cylinder device 4, shaft 5 and connection bolt 6；The setting of rear cover 1 is at 2 top of shell；Front cover device 3 is arranged at 2 bottom of shell
Portion；Cylinder device 4 and shaft 5 are arranged inside shell 2；Rear cover 1 and front cover device 3 are fixed by connection bolt 6 and shell 2
Connection；Shaft 5 is connect with rear cover 1, the equal bearing of front cover device 3；Front cover device 3 includes lid 301, swash plate 302, First piston bar
303, second piston bar 304, the first sliding block 305, the second sliding block 306 and sliding bearing 307；301 left and right side of lid difference
It is provided with the first hydraulic fluid port 308 and the second hydraulic fluid port 309；301 top left side of lid and top right side are respectively arranged with the first oil cylinder 310
With the second oil cylinder 311；Column 312 is additionally provided at the top of lid 301；302 bottom left of swash plate and right side are respectively arranged with first
Sliding slot 313 and second sliding slot 314；302 periphery of swash plate is evenly arranged with multiple connecting columns 315；First hydraulic fluid port 308 and the first oil cylinder
310 connections；Second hydraulic fluid port 309 is connected to the second oil cylinder 311；First piston bar 303 and second piston bar 304 are slidably connected respectively
In the first oil cylinder 310 and the second oil cylinder 311；303 top of First piston bar and 304 top of second piston bar are rotationally connected with respectively
306 bottom of first sliding block, 305 bottom and the second sliding block；First sliding block, 305 top and 306 top of the second sliding block are slidably connected respectively
In first sliding groove 313 and second sliding slot 314；Swash plate 302 is rotationally connected with 312 top of column；Sliding bearing 307 is fixedly connected on
Connecting column 315；Cylinder device 4 includes cylinder 401, copper sheathing 402, plunger 403, piston shoes 404 and return plate 405；Cylinder 401 runs through
It is evenly arranged with multiple connecting holes 406；Copper sheathing 402 is fixedly connected on connecting hole 406；Plunger 403 is slidably connected to copper sheathing 402；
404 top flexural pivot of piston shoes is connected to 403 bottom of plunger；404 basal sliding of piston shoes is connected to 302 top of swash plate；5 spline of shaft connects
It is connected to cylinder 401.
In use, step 1, in conjunction with shown in Fig. 1, Fig. 2 and Fig. 5, realize piston motor slow-speed of revolution high torque and high revolving speed
Low torque two states can realize that the inclination angle of swash plate 302 changes the discharge capacity of back-plunger motor by changing the inclination angle of swash plate 302
It changes.The working principle of piston motor is the multiple plungers 403 for being slidably connected to copper sheathing 402, and a part is applied at top
Added with high pressure, a part is applied with low pressure, and 403 lower end flexural pivot of plunger is connected to piston shoes 404,404 basal sliding of piston shoes connection
In 302 top of swash plate, swash plate 302 is inclined surface, then the power being subject at the top of plunger 403 gradually passes to swash plate 302, swash plate 302
Back to 403 applied force of plunger, for single plunger 403 and piston shoes 404,302 counter-force of swash plate being subject to has tangential component,
And multiple 403 some of plunger are applied with high pressure, some is applied with low pressure, and unbalance stress causes tangential component to make plunger
403 driving cylinders 401 rotate.Return plate 405 is depressed by sliding bearing 307, for making plunger 403 force backhaul.5 He of shaft
401 spline of cylinder connection, for the rotation of cylinder 401 to be transmitted to outside motor.
Step 2 is additionally provided with column 312 in conjunction with shown in Fig. 3-4 at the top of lid 301, swash plate 302 is rotationally connected with column
312 tops, therefore for complete determination that swash plate 302 need another anchor point that tilt angle can be realized.First oil
Cylinder 310 is different with the height of the second oil cylinder 311, and First piston bar 303 is different with the length of second piston bar 304, the first hydraulic fluid port
308 are connected to the first oil cylinder 310, and the second hydraulic fluid port 309 is connected to the second oil cylinder 311.When 308 oil inlet of the first hydraulic fluid port, the second hydraulic fluid port
When 309 oil return, First piston bar 303 is jacked up by high pressure and is moved upwards, then will drive the movement of the first sliding block 305, and then push
Swash plate 302 rotates clockwise, and the second sliding slot 314 on 302 right side of swash plate can push the second sliding block 306, and then it is living to push second
Stopper rod 304 moves downward, and 302 tilt angle of swash plate is larger at this time, and motor displacement is larger.When 308 oil return of the first hydraulic fluid port, the second oil
When 309 oil inlet of mouth, second piston bar 304 is jacked up by high pressure and is moved upwards, then will drive the movement of the second sliding block 306, and then push away
Dynamic swash plate 302 rotates counterclockwise, and the first sliding groove 313 in 302 left side of swash plate can push the first sliding block 305, and then can push first
Piston rod 303 moves downward, and 302 tilt angle of swash plate is smaller at this time, and motor displacement is smaller.
It should be understood that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality
With novel principle, without constituting limitations of the present invention.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.In addition,
The appended claims for the utility model are intended to cover to fall into attached claim scope and boundary or this range and boundary
Whole change and modification in equivalent form.
Claims (5)
1. double-speed motor, it is characterised in that: including rear cover (1), shell (2), front cover device (3), cylinder device (4), shaft (5)
With connection bolt (6)；Rear cover (1) setting is at the top of shell (2)；Front cover device (3) is arranged in shell (2) bottom；Cylinder device
(4) and shaft (5) setting is internal in shell (2)；Rear cover (1) and front cover device (3) pass through connection bolt (6) and shell (2)
It is fixedly connected；Shaft (5) is connect with rear cover (1), front cover device (3) bearing；Front cover device (3) includes lid (301), swash plate
(302), First piston bar (303), second piston bar (304), the first sliding block (305), the second sliding block (306) and sliding bearing
(307)。
2. double-speed motor according to claim 1, it is characterised in that: lid (301) left and right side is respectively arranged with
One hydraulic fluid port (308) and the second hydraulic fluid port (309)；Lid (301) top left side and top right side are respectively arranged with the first oil cylinder (310)
With the second oil cylinder (311)；Column (312) are additionally provided at the top of lid (301)；Swash plate (302) bottom left and right side are set respectively
It is equipped with first sliding groove (313) and second sliding slot (314)；Swash plate (302) periphery is evenly arranged with multiple connecting columns (315).
3. double-speed motor according to claim 2, it is characterised in that: the first hydraulic fluid port (308) and the first oil cylinder (310) are even
It is logical；Second hydraulic fluid port (309) is connected to the second oil cylinder (311)；First piston bar (303) and second piston bar (304) are slided respectively
It is connected to the first oil cylinder (310) and the second oil cylinder (311)；At the top of First piston bar (303) and second piston bar (304) top part
It is not rotationally connected with the first sliding block (305) bottom and the second sliding block (306) bottom；First sliding block (305) top and the second sliding block
(306) top is slidably connected to first sliding groove (313) and second sliding slot (314) respectively；Swash plate (302) is rotationally connected with column
(312) top；Sliding bearing (307) is fixedly connected on connecting column (315).
4. double-speed motor according to claim 1, it is characterised in that: cylinder device (4) includes cylinder (401), copper sheathing
(402), plunger (403), piston shoes (404) and return plate (405)；Cylinder (401), which runs through, is evenly arranged with multiple connecting holes
(406)；Copper sheathing (402) is fixedly connected on connecting hole (406)；Plunger (403) is slidably connected to copper sheathing (402)；Piston shoes (404) top
Portion's flexural pivot is connected to plunger (403) bottom.
5. double-speed motor according to claim 4, it is characterised in that: piston shoes (404) basal sliding is connected to swash plate (302)
Top；Shaft (5) spline is connected to cylinder (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920043363.1U CN209385281U (en) | 2019-01-11 | 2019-01-11 | Double-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920043363.1U CN209385281U (en) | 2019-01-11 | 2019-01-11 | Double-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385281U true CN209385281U (en) | 2019-09-13 |
Family
ID=67853149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920043363.1U Expired - Fee Related CN209385281U (en) | 2019-01-11 | 2019-01-11 | Double-speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209385281U (en) |
-
2019
- 2019-01-11 CN CN201920043363.1U patent/CN209385281U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |