CN208686680U - Tension machine hydraulic system - Google Patents
Tension machine hydraulic system Download PDFInfo
- Publication number
- CN208686680U CN208686680U CN201821305375.9U CN201821305375U CN208686680U CN 208686680 U CN208686680 U CN 208686680U CN 201821305375 U CN201821305375 U CN 201821305375U CN 208686680 U CN208686680 U CN 208686680U
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- China
- Prior art keywords
- valve
- hydraulic
- hydraulic motor
- oil
- reversal
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- 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
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Abstract
The utility model discloses a kind of tension machine hydraulic systems, and including fuel tank, oil transportation component and the hydraulic motor cooperated with tensioner transmission, the oil transportation component and hydraulic motor form hydraulic circuit；The oil transportation component includes hydraulic pump, the reversal valve equipped with multiple valve ports, check valve, external control pressure regulator valve, counterbalance valve and multiple-tubing string, hydraulic oil followed by the 4th valve port (12) of reversal valve, second one-way valve list, hydraulic motor, the first valve port of reversal valve (14), counterbalance valve, finally flow back to fuel tank, and formed hydraulic motor reversion oil circuit；Through the second valve port of reversal valve (13), successively inflow, hydraulic motor, external control pressure regulator valve, counterbalance valve, hydraulic oil flow back to fuel tank and form hydraulic motor rotating forward oil circuit hydraulic oil；The hydraulic circuit further includes feed circuit, solves the problems, such as that hydraulic motor high speed rotation flow is inadequate, reduces costs.
Description
Technical field
The utility model relates to hydraulic systems, and in particular to a kind of tension machine hydraulic system.
Background technique
Tensioner is a kind of a kind of spanning equipment that operation indispensability is set up for transmission line of electricity tension stringing and overhead cableway,
Equipment design on the market is all to reach corresponding function in such a way that enclosed pump or more pump groups close, so that production cost
It greatly improves, while it is also more complex to operate control.Due to Hydraulic Industry is relatively special and erection majority of cable be field into
Row, once equipment breaks down in use, maintenance is also the same relatively difficult.
Oil liquid is discharged in hydraulic motor in the course of rotation, when the revolving speed of hydraulic motor is too high due to the oil liquid phase of needs
The increase answered needs additional designs one individual hydraulic pressure supply circuit, to make hydraulic loop structure become more complicated, together
When the inlet port negative pressure of the higher motor of revolving speed that pumps it is bigger, be easily damaged motor or shorten the service life of motor, equipment
Maintenance cost it is corresponding also very high.
Utility model content
The purpose of this utility model is to provide for a kind of tension machine hydraulic system, lesser hydraulic pump can be used just
It can solve the problems, such as that flow is inadequate when hydraulic motor high speed rotation, while Hydraulic Circuit Design is simple, does not need additionally to open up liquid
Road is pushed back, traditional expensive enclosed is replaced with simple hydraulic pump and pumps, saved cost to the after-sales service of equipment, have
There is good economic serviceability.
A kind of tension machine hydraulic system, it is characterised in that: including fuel tank, oil transportation component and the liquid cooperated with tensioner transmission
Pressure motor, the oil transportation component and hydraulic motor form hydraulic circuit；The oil transportation component includes hydraulic pump, is equipped with multiple valve ports
Reversal valve, check valve, external control pressure regulator valve, counterbalance valve and multiple-tubing string, the hydraulic pump passes through petroleum pipeline and reversal valve the
Three valve ports (11) are connected, and the 4th valve port (12) of reversal valve is connected to second one-way valve by petroleum pipeline, second one-way valve
It is connect with hydraulic motor, hydraulic motor is connect by oil pipe with the second valve port of reversal valve (13), the first valve port (14) and counterbalance valve
Connection；Hydraulic oil is followed by the 4th valve port (12) of reversal valve, second one-way valve list, hydraulic motor, the first valve port of reversal valve
(14), counterbalance valve, finally flow back to fuel tank, and formed hydraulic motor reversion oil circuit；The hydraulic motor also connects with external control pressure regulator valve
Logical, the external control pressure regulator valve is connected to counterbalance valve, and hydraulic oil is through the second valve port of reversal valve (13) successively inflow, hydraulic motor, outside
Control pressure valve, counterbalance valve, hydraulic oil, which flows back to fuel tank and forms hydraulic motor, rotates forward oil circuit；The hydraulic circuit further includes that repairing is returned
Road.
Further, first valve port of reversal valve is connected to by petroleum pipeline with the first check valve, the first check valve with it is hydraulic
Motor is connected to, between the petroleum pipeline and external control pressure regulator valve and counterbalance valve between first valve port of reversal valve and the first check valve
Petroleum pipeline is interconnected, and the hydraulic oil for flowing through external control pressure regulator valve is back to the first check valve, hydraulic motor again, is formed and is mended
Oil return line.
It further, further include tensioning wheel and cable rolling wheel, the tensioning wheel drives hydraulic motor rotation, and tensioning wheel is being drawn
Power effect is lower to drive the rotation of coil of cable wheel.
The beneficial effects of the utility model are: replacing traditional closed type hydraulic pump or three liquid with common open hydraulic pump
Press pump greatly reduces cost, and lesser hydraulic pump can be used, and can to solve flow when hydraulic motor high speed rotation inadequate
Problem is pumped with the complicated enclosed of simple hydraulic pump replacement, has saved cost to the after-sales service of equipment, this tensioner hydraulic pressure system
Structure of uniting is simple, and design rationally, has high market prospects.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the hydraulic schematic of the utility model；
Fig. 2 is the reversal valve schematic diagram of the utility model.
Appended drawing reference:
Hydraulic motor 1；External control pressure regulator valve 2；Second one-way valve 3；Reversal valve 4；Hydraulic pump 5；Fuel tank 6；Counterbalance valve 7；First
Check valve 8；Tensioning wheel 9；Cable rolling wheel 10；Third valve port (11)；4th valve port (12)；Second valve port (13)；First valve port
(14)。
Specific embodiment
Fig. 1 is the hydraulic schematic of the utility model；Fig. 2 is the reversal valve schematic diagram of the utility model, as schemed institute
Show, a kind of tension machine hydraulic system, it is described defeated including fuel tank 6, oil transportation component and the hydraulic motor 1 cooperated with tensioner transmission
Oily component and hydraulic motor 1 form hydraulic circuit；The oil transportation component include hydraulic pump 5, the reversal valve 4 equipped with multiple valve ports,
Check valve, external control pressure regulator valve 2, counterbalance valve 7, the hydraulic pump 5 are connected by petroleum pipeline with reversal valve third valve port (11), institute
It states the 4th valve port (12) of reversal valve to be connected to second one-way valve 3 by petroleum pipeline, second one-way valve 3 is connect simultaneously with hydraulic motor 1
It is connect by the first valve port of reversal valve (14) with counterbalance valve 7；It is unidirectional by second that hydraulic oil flows through the 4th valve port (12) of reversal valve
Valve 3 unidirectionally flows into hydraulic motor 1 and flows out by the first valve port of reversal valve (14), the hydraulic oil of the first valve port (14) outflow
Fuel tank, which is flowed into, by counterbalance valve 7 and forms hydraulic motor inverts circuit；The hydraulic motor 1 is also connect with external control pressure regulator valve 2, institute
It states external control pressure regulator valve 2 to be connected to counterbalance valve 7, hydraulic oil flows into hydraulic motor 1 through the second valve port of reversal valve (13) and passes through external control
Pressure regulator valve 2 flows to counterbalance valve 7, and hydraulic oil, which flows back to fuel tank 6 and forms hydraulic motor, rotates forward circuit；The hydraulic circuit further includes mending
The structure of oil return line, hydraulic circuit is simple, compact, does not need additionally to open up hydraulic circuit, is pumped and is replaced using common open hydraulic
Traditional closed type hydraulic pump or three hydraulic pumps, greatly reduces cost.
In the present embodiment, first valve port of reversal valve (14) is connect by petroleum pipeline with the first check valve 8, and first is unidirectional
Valve 8 is connect with hydraulic motor 1, the petroleum pipeline and external control pressure regulator valve 2 between first valve port (14) and the first check valve 8 and back
Petroleum pipeline between pressure valve 7 is interconnected, and the hydraulic oil flows through external control pressure regulator valve 2 and unidirectionally flowed back to by the first check valve 8
Hydraulic motor 1 forms feed circuit, and feed circuit design is simple, does not need more to open up hydraulic branch and can meet hydraulic motor 1
Demand.
In the present embodiment, when hydraulic motor 1 rotates backward, hydraulic oil is sent to from second one-way valve 3 through petroleum pipeline hydraulic
In motor 1, then reversal valve 4 flowed through by hydraulic motor 1, then counterbalance valve 7 flowed to by the first valve port (14) and is finally flowed back in fuel tank 6,
Since 1 speed reversal of hydraulic motor is slow, the flow that hydraulic motor 1 needs is smaller therefore does not need feed circuit and is mended
Oil, oil liquid, which is provided separately, by hydraulic pump can meet the revolving speed of motor 1, and hydraulic oil cannot pass through the first check valve 8, Zhi Nengliu
Reversal valve 4 is flowed into after entering hydraulic motor, counterbalance valve 7 is flowed to by the first valve port (14) and is finally flowed back in fuel tank 6, so as to form
Hydraulic circuit when hydraulic motor 1 inverts.
In the present embodiment, hydraulic motor 1 is flowed to when hydraulic oil passes through the second valve port (13) by reversal valve 4 by hydraulic pump 5,
Hydraulic oil cannot flow to counterbalance valve 7 by external control pressure regulator valve 2 by second one-way valve, therefore by the hydraulic oil of hydraulic motor 1
Finally flow back to fuel tank 6, when hydraulic motor 1 be discharged oil liquid and pump discharge oil liquid counterbalance valve 7 is first opened when flowing back to fuel tank, because
This will generate pressure in oil return circuit, and when hydraulic motor 1 is in high-speed rotation, the oil liquid of oil return pipe can be supplemented preferentially hydraulic
Oil liquid needed for motor 1, extra oil liquid flow back to fuel tank 6, and feed circuit carries out oil pressure supplement to hydraulic motor 1, to meet liquid
It solves hydraulic motor 1 by the hydraulic circuit of the utility model to the demand of oil liquid when 1 high speed rotation of pressure motor and revolves at a high speed
Turn to be the inadequate problem of hydraulic fluid flow rate, and plays a very good protection to hydraulic motor 1.
It further include tensioning wheel 9 and cable rolling wheel 10 in the present embodiment, the tensioning wheel 9 drives hydraulic motor 1 to rotate,
Bearing up pulley 9 drives cable rolling wheel 10 to rotate under the action of tractive force.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (3)
1. a kind of tension machine hydraulic system, it is characterised in that: cooperate including fuel tank, oil transportation component and with tensioner transmission hydraulic
Motor, the oil transportation component and hydraulic motor form hydraulic circuit；
The oil transportation component include hydraulic pump, the reversal valve equipped with multiple valve ports, check valve, external control pressure regulator valve, counterbalance valve and
Multiple-tubing string, the hydraulic pump are connected by petroleum pipeline with reversal valve third valve port (11), the 4th valve port of reversal valve
(12) it is connected to second one-way valve by petroleum pipeline, second one-way valve is connect with hydraulic motor, hydraulic motor passes through oil pipe and changes
It is connected to the second valve port of valve (13), the first valve port (14) is connected to counterbalance valve；Hydraulic oil is followed by the 4th valve port of reversal valve
(12), second one-way valve list, hydraulic motor, the first valve port of reversal valve (14), counterbalance valve, finally flow back to fuel tank, and formed hydraulic
Motor inverts oil circuit；
The hydraulic motor is also connected to external control pressure regulator valve, and the external control pressure regulator valve is connected to counterbalance valve, and hydraulic oil is through reversal valve
Successively inflow, hydraulic motor, external control pressure regulator valve, counterbalance valve, hydraulic oil flow back to fuel tank and form hydraulic motor second valve port (13)
Rotate forward oil circuit；
The hydraulic circuit further includes feed circuit.
2. tension machine hydraulic system according to claim 1, it is characterised in that: first valve port of reversal valve passes through oil transportation
Pipe is connected to the first check valve, and the first check valve is connected to hydraulic motor, and first valve port of reversal valve (14) is unidirectional with first
Petroleum pipeline between petroleum pipeline between valve and external control pressure regulator valve and counterbalance valve is interconnected, the liquid for flowing through external control pressure regulator valve
Pressure oil is back to the first check valve, hydraulic motor again, forms feed circuit.
3. tension machine hydraulic system according to claim 1, it is characterised in that: further include tensioning wheel and cable rolling wheel, institute
It states tensioning wheel and drives hydraulic motor rotation, tensioning wheel drives coil of cable wheel to rotate under the action of tractive force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821305375.9U CN208686680U (en) | 2018-08-15 | 2018-08-15 | Tension machine hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821305375.9U CN208686680U (en) | 2018-08-15 | 2018-08-15 | Tension machine hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686680U true CN208686680U (en) | 2019-04-02 |
Family
ID=65885090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821305375.9U Expired - Fee Related CN208686680U (en) | 2018-08-15 | 2018-08-15 | Tension machine hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800326A (en) * | 2021-09-22 | 2021-12-17 | 宁夏智安电力工程有限公司 | Overhead transmission line construction method |
| CN117404362A (en) * | 2023-12-15 | 2024-01-16 | 中联重科土方机械有限公司 | Hydraulic oil return system and excavator |
-
2018
- 2018-08-15 CN CN201821305375.9U patent/CN208686680U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800326A (en) * | 2021-09-22 | 2021-12-17 | 宁夏智安电力工程有限公司 | Overhead transmission line construction method |
| CN113800326B (en) * | 2021-09-22 | 2022-10-25 | 宁夏智安电力工程有限公司 | Construction method of overhead transmission line |
| CN117404362A (en) * | 2023-12-15 | 2024-01-16 | 中联重科土方机械有限公司 | Hydraulic oil return system and excavator |
| CN117404362B (en) * | 2023-12-15 | 2024-03-15 | 中联重科土方机械有限公司 | Hydraulic oil return system and excavator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20210815 |