CN208268343U - Disc type stepless speed changer - Google Patents
Disc type stepless speed changer Download PDFInfo
- Publication number
- CN208268343U CN208268343U CN201820423626.7U CN201820423626U CN208268343U CN 208268343 U CN208268343 U CN 208268343U CN 201820423626 U CN201820423626 U CN 201820423626U CN 208268343 U CN208268343 U CN 208268343U
- Authority
- CN
- China
- Prior art keywords
- speed disk
- guide rod
- piston
- oil
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of disc type stepless speed changers, speed disk is rotatably connected with the frame plate, first oil pump is connected with the oil outlet of two hydraulic cylinders respectively by two pipeline roads, two hydraulic cylinder opposite directions are mounted on frame plate, respectively equipped with a pair of of check valve on the cylinder sleeve of two hydraulic cylinders, one oil inlet one fuel-displaced；Top surface is equipped with a horizontal concrete chute on speed disk, first guide rod is connected by semi arch linkage section with one end of the second guide rod, left and right is equipped with the opposite guide rod arm in a pair of of direction on first guide rod, two guide rod arms are connected with the piston of hydraulic cylinder respectively, the other end of second guide rod passes through horizontal concrete chute and is connected with speed disk piston, and speed disk includes speed disk ontology, the oil groove that speed disk piston, is mounted on the intrinsic piston chamber of speed disk, speed disk ontology bottom surface is arranged in.The utility model does not have the gear of specific, concrete, and operating method is consistent with traditional stepless transmission, and power transmission continues and stablizes.
Description
Technical field
The utility model relates to machinery fields, and in particular to a kind of disc type stepless speed changer.
Background technique
Existing stepless transmission is to clamp rigid item or belt by two smooth conical surfaces to be driven, and can not break physics
Under the premise of the limit, be easy to skid, can not transmitting large torque, the problems such as chain service life is shorter, after-sales service always can not
It solves.
Utility model content
To solve the above problems, the utility model provides a kind of disc type stepless speed changer, transmission ratio can be preferably controlled
Stepless variation, improve economy.
To achieve the above object, the technical solution that the utility model is taken are as follows:
Disc type stepless speed changer is installed on the frame plate including shell and the frame plate being horizontally arranged at housing center
Have to turn left from the right side and is sequentially installed with a speed disk, two hydraulic cylinders, the first oil pump, the first guide rod and the second guide rod, the speed change
Disk is rotatably connected with the frame plate, and the first oil pump is connected with the oil outlet of two hydraulic cylinders respectively by two pipeline roads,
Two hydraulic cylinder opposite directions are mounted on frame plate, and the hydraulic cylinder is made of hydraulic cylinder piston, cylinder liner-piston group, two cylinders
It puts on respectively equipped with a pair of of check valve, one oil inlet one fuel-displaced；Top surface is equipped with a horizontal concrete chute on the speed disk, and first leads
Bar is connected by semi arch linkage section with one end of the second guide rod, and left and right is equipped with the opposite guide rod in a pair of of direction on the first guide rod
Arm, two guide rod arms are connected with the piston of hydraulic cylinder respectively, when speed disk moves, drive a pair of hydraulic cylinders reciprocating motion of the pistons,
The other end of second guide rod passes through horizontal concrete chute and is connected with speed disk piston, and the speed disk includes speed disk ontology, speed disk
Piston, the oil groove for being mounted on the intrinsic piston chamber of speed disk, speed disk ontology bottom surface being set, the speed disk piston peace
In speed disk ontology, the hydraulic cylinder formed after speed disk inner piston chamber both ends are blocked, in the piston chamber and oil groove
Equipped with the internal oil channel being connected, the back side of the frame plate is equipped with the second oil pump being connected with the oil groove, and the second oil pump
Solenoid valve is installed between oil groove.
Preferably, the frame plate is equipped with the groove matched with the vertebra shape pedestal of speed change pan bottom.
Preferably, first oil pump both ends are equipped with output shaft.
Preferably, the second guide rod through threaded connector is connected with speed disk piston.
Preferably, the oil groove is annular oil groove, is connected by oil jacket with the second oil pump.
The utility model has the following beneficial effects:
Speed disk and the piston that can speed disk in change operating position of the utility model using a rotation, phase
Mutually cooperation may be implemented the change of transmission ratio, reciprocating motion become hydraulic drive with a pair of hydraulic cylinders to transmit power, thus
Obtain the best match of power train and engine operating condition.There is no the gear of specific, concrete, operating method and traditional stepless transmission
It is consistent, power transmission continues and stablizes.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment disc type stepless speed changer.
Fig. 2 is the structural schematic diagram of speed disk in the utility model embodiment.
Fig. 3 is the positive structure schematic of speed disk in the utility model embodiment.
Specific embodiment
In order to which the purpose of this utility model and advantage is more clearly understood, with reference to embodiments to the utility model into
Row is further described.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
As shown in Figure 1-3, the utility model embodiment provides a kind of disc type stepless speed changer, including and it is horizontally mounted
Frame plate 1 at the heart in the shell, is equipped with to turn left from the right side on the frame plate 1 and is sequentially installed with a speed disk 2, two hydraulic cylinders
10, the first oil pump 3, the first guide rod 6 and the second guide rod 12, the speed disk 2 are rotatably connected with the frame plate 1, the first oil pump 3
It is connected respectively with the oil outlet of two hydraulic cylinders 10 by two pipeline roads 4, two 10 opposite directions of hydraulic cylinder are mounted on frame plate 1
On, the hydraulic cylinder 10 is made of hydraulic cylinder piston, cylinder liner-piston group, a pair of of check valve 8 is equipped on two cylinder sleeves respectively,
One oil inlet one fuel-displaced；On the speed disk 2 top surface be equipped with a horizontal concrete chute 7, the first guide rod 6 by semi arch linkage section with
One end of second guide rod 12 is connected, and left and right is equipped with the opposite guide rod arm in a pair of of direction on the first guide rod 6, two guide rod arms respectively with liquid
The piston of compressing cylinder is connected, and when speed disk moves, drives a pair of hydraulic cylinders reciprocating motion of the pistons, the other end of the second guide rod 12 is worn
It crosses horizontal concrete chute 7 to be connected with speed disk piston, the speed disk 2 includes speed disk ontology 21, speed disk piston 25, is mounted on change
Piston chamber 22 in fast disk ontology 21, the oil groove 23 that 21 bottom surface of speed disk ontology is arranged in, the speed disk piston 25 are installed
In speed disk ontology 21, the hydraulic cylinder formed after 22 both ends of speed disk inner piston chamber are blocked, the piston chamber 22 and oil
The internal oil channel 24 being connected is equipped in slot 23, the back side of the frame plate 1 is equipped with the second oil pump being connected with the oil groove 23
5, and solenoid valve is installed between the second oil pump 5 and oil groove.
The frame plate 1 is equipped with the groove matched with the vertebra shape pedestal of speed change pan bottom.
First oil pump, 3 both ends are equipped with output shaft 9.
Second guide rod 12 is connected through a screw thread mouth and is connected with speed disk piston 25.
The oil groove 23 is annular oil groove, is connected by oil jacket with the second oil pump 5.The liquid that oil jacket transmits the second oil pump
Pressure inputs the annular oil groove in speed change dish axle by two oilholes on oil jacket, and transmitting controls the hydraulic of speed disk piston；It is described
Second oil pump is equipped with relief valve and keeps the stabilization of oil pressure for laying down a part of pressure when oil pressure is excessively high in the second oil pump.
This specific implementation speed change disk center is equipped with piston chamber, piston is put into piston chamber, and piston chamber both ends are blocked, shape
At two fluid chambers, speed disk is the important composition of variable speed part in disc type stepless speed changer, and speed change disk center is equipped with
Piston chamber both ends can be divided into two fluid chambers after being put into speed disk piston by piston chamber；It is equipped with level on one side in speed disk
Sliding slot is equipped with screw hole in piston interposition, is connect the second guide rod with speed disk piston with connecting shaft.By changing speed disk
Position of the piston in speed disk changes the size of guide rod stroke, realizes the purpose of speed change, speed disk piston is placed in speed disk
It is interior, it can be moved in speed disk, which is provided with the bolt hole for connecting the second guide rod,
Originally it is embodied in the first guide rod and the second guide rod moves back and forth when driving hydraulic cylinder, back and forth to transport guide rod
Dynamic power is all used, when to prevent hydraulic cylinder piston from moving into when the oil outlet work cannot normal either on or off, spy is in liquid
A positive and a negative installs two check valves on cylinder pressure, to guarantee that output oil pump output power continues and stablizes.
The working principle of this specific implementation speed disk are as follows: by second oil pump at the frame plate back side to the hydraulic oil in speed disk
Room provides hydraulic oil, and the second oil pump and speed disk are connected to oil jacket by two pipeline roads, by oil jacket respectively with speed disk
On the connection of twice annular oil groove, annular oil groove connect by the fluid chamber of internal oil channel and speed disk piston both ends in speed disk
It is logical, it is equipped with a relief valve in pipeline road, to guarantee that oil pressure is stablized, is respectively provided with a pair of of electromagnetism in two pipeline roads
Valve by the on-off of control solenoid valve, controls the indoor The hydraulic oil of speed disk piston both ends hydraulic oil at work, thus
Make speed disk piston in speed disk speed disk piston indoor moving, to change speed disk piston and the second guide rod tie point in speed change
Position on disk achievees the purpose that control the stepless variation of transmission ratio.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, can also make several improvements and retouch, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (5)
1. disc type stepless speed changer, including shell and the frame plate being horizontally arranged at housing center (1), which is characterized in that institute
It states to be equipped with to turn left from the right side on frame plate (1) and is sequentially installed with a speed disk (2), two hydraulic cylinders (10), the first oil pump (3),
One guide rod (6) and the second guide rod (12), the speed disk (2) are rotatably connected with the frame plate (1), and the first oil pump (3) passes through
Two pipeline roads (4) are connected with the oil outlet of two hydraulic cylinders (10) respectively, and two hydraulic cylinder (10) opposite directions are mounted on frame
On plate (1), the hydraulic cylinder (10) is made of hydraulic cylinder piston, cylinder liner-piston group, respectively equipped with a pair on two cylinder sleeves
Check valve, one oil inlet one fuel-displaced；Top surface is equipped with a horizontal concrete chute (7) on the speed disk (2), and the first guide rod (6) passes through
Semi arch linkage section is connected with the one end of the second guide rod (12), and left and right is equipped with the opposite guide rod in a pair of of direction on the first guide rod (6)
Arm, two guide rod arms are connected with the piston of hydraulic cylinder respectively, when speed disk moves, drive a pair of hydraulic cylinders reciprocating motion of the pistons,
The other end of second guide rod (12) passes through horizontal concrete chute (7) and is connected with speed disk piston, and the speed disk (2) includes speed disk sheet
Body (21), the piston chamber (22) being mounted in speed disk ontology (21), is arranged in speed disk ontology (21) speed disk piston (25)
The oil groove (23) of bottom surface, the speed disk piston (25) is mounted in speed disk ontology (21), by speed disk inner piston chamber
(22) hydraulic cylinder formed after both ends are blocked, the piston chamber (22) are interior equipped with the internal oil channel being connected with oil groove (23)
(24), the back side of the frame plate (1) is equipped with the second oil pump (5) being connected with the oil groove (23), and the second oil pump (5) with
Solenoid valve is installed between oil groove.
2. disc type stepless speed changer as described in claim 1, which is characterized in that the frame plate (1) is equipped with and speed disk bottom
The groove that the vertebra shape pedestal in portion matches.
3. disc type stepless speed changer as described in claim 1, which is characterized in that the first oil pump (3) both ends are equipped with defeated
Shaft (9).
4. disc type stepless speed changer as described in claim 1, which is characterized in that second guide rod (12) is connected through a screw thread
Mouth is flexibly connected with speed disk piston (25).
5. disc type stepless speed changer as described in claim 1, which is characterized in that the oil groove (23) is annular oil groove, is passed through
Oil jacket is connected with the second oil pump (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017209149472 | 2017-07-26 | ||
| CN201720914947 | 2017-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268343U true CN208268343U (en) | 2018-12-21 |
Family
ID=64674823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820423626.7U Expired - Fee Related CN208268343U (en) | 2017-07-26 | 2018-03-28 | Disc type stepless speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268343U (en) |
-
2018
- 2018-03-28 CN CN201820423626.7U patent/CN208268343U/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: 20181221 Termination date: 20200328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |