CN202176560U - Hydraulic system and hydraulic roadblock machine - Google Patents
Hydraulic system and hydraulic roadblock machine Download PDFInfo
- Publication number
- CN202176560U CN202176560U CN 201120261301 CN201120261301U CN202176560U CN 202176560 U CN202176560 U CN 202176560U CN 201120261301 CN201120261301 CN 201120261301 CN 201120261301 U CN201120261301 U CN 201120261301U CN 202176560 U CN202176560 U CN 202176560U
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- oil
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- hydraulic system
- oil cylinder
- roadblock
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Abstract
The utility model discloses a hydraulic system and a roadblock machine comprising the same, which are applied to the technical field of hydraulic transmission. The hydraulic system comprises an oil pump, an oil cylinder, a control regulation assembly, an auxiliary assembly and work medium; two oil pipes and four one-way valves are added on the base of the current single circuit hydraulic system; and the oil inlet pipe of the oil cylinder is separated from the oil returning pipe so that the oil cylinder is changed to a double-circuit hydraulic system. The hydraulic roadblock machine comprises said hydraulic system. In the hydraulic system and the hydraulic roadblock machine provided in the utility model, the hydraulic oil in the oil returning pipes returns to an oil tank completely instead of entering the oil cylinder, so the hydraulic oil in the oil cylinder can be completely replaced in each circulation process and not limited by the length of the oil pipe; and the utility model solves the problems of raised oil temperature of the oil cylinder, oil going bad, damaging sealing rings, shortening the service life of the oil cylinder and the like because the oil cylinder cannot exchange oil completely.
Description
Technical field
The utility model belongs to hydraulic transmission technology field, more particularly, relates to a kind of hydraulic system and comprises the roadblock machine of this hydraulic system.
Background technique
The roadblock machine is mainly used in the porte-cochere control in special places such as customs, frontier inspection, logistics, port and pier, prison, national treasury, nuclear power station, military base, key departments of government, airport; Prevent that effectively vehicle from dashing the purpose of card by force, through the restriction to vehicular traffic, ensured that effectively traffic order is the safety in key facility and place.In addition, anti-riot roadblock is installed in the gate by important unit such as government offices and army, can be electronic, remote control or mode such as swipe the card control up-down, and effectively stop other unit's vehicle to get into and illegal vehicle is swarmed into.
As shown in Figure 1; The hydraulic system that is adopted on the present roadblock machine product on the market all is traditional single loop hydraulic system: after starting power plant; Control system control hydraulic oil from A ' oil circuit get into oil cylinder 2 ' rodless cavity 202 '; Promote oil cylinder piston bar 21 ' stretch out, thereby the roadblock machine baffle risen, simultaneously oil cylinder 2 ' rod chamber 201 ' in hydraulic oil flow back to fuel tank from B ' oil circuit; When the roadblock machine baffle is raised to, understands some from the hydraulic oil of rod chamber 201 ' flow back to and stay B ' oil circuit; Otherwise, when the roadblock machine baffle will descend when letting pass, control system control hydraulic oil from B ' oil circuit get into oil cylinder 2 ' rod chamber 201 '; The hydraulic oil B ' oil circuit of staying from rodless cavity 202 ' flow back to; Promote oil cylinder 2 ' piston rod 21 ' withdrawal, thereby the roadblock machine baffle is descended, while oil cylinder 2 ' rod chamber 201 ' hydraulic oil flow back to fuel tank from A ' oil circuit; When putting in place under the roadblock machine baffle, understand some from the hydraulic oil of rod chamber 201 ' flow back to and stay A ' oil circuit; Therefore; When oil circuit is longer; Be that the volume of oil circuit is when being equal to or greater than the volume of oil cylinder; The oil that discharge oil cylinder 2 ' lining is all stayed in the oil circuit and can't be got back to fuel tank, and this just causes oil cylinder can't change oil fully, the result who brings thus be oily temperature rise, the oil body of oil cylinder rotten, damage seal ring, the oil cylinder lost of life etc.; In addition, need the oil hydraulic circuit of heating/cooling device also can't reach desirable effect for big flow, high pressure etc.
The model utility content
The utility model technical problem to be solved is the roadblock machine that a kind of hydraulic system is provided and adopts this hydraulic system; Be intended to avoid stay the oil pipe and can't be back to fuel tank and make oil cylinder to change oil fully from the hydraulic oil that oil cylinder is discharged; Thereby it is rotten to solve the temperature rise of oil cylinder oil, the oil body that cause thus, and causes problems such as damaging seal ring, the oil cylinder lost of life.
For solving the problems of the technologies described above; The technological scheme of the employing of the utility model is: a kind of hydraulic system is provided; Comprise an oil pump, an oil cylinder, regulating and controlling assembly, accessory part and working medium; Said regulating and controlling assembly comprises a solenoid directional control valve and two throttle valve at least; Said accessory part comprises a fuel tank, a hydraulic lock at least, reaches the oil pipe of connected system element, and the rodless cavity of said oil cylinder is connected with one first oil inlet pipe and one first return tube, and the rod chamber of said oil cylinder is connected with one second oil inlet pipe and one second return tube; Respectively be provided with an one-way valve on said first oil inlet pipe, second oil inlet pipe, first return tube and second return tube.
Further, said regulating and controlling assembly also comprises a relief valve and a stop valve.
Further, said accessory part also comprises an oil purifier, and said oil purifier is located at the oil-inlet end of the oil pipe that connects said fuel tank and said oil pump.
Further, said accessory part also comprises a pressure gauge.
Further, said accessory part comprises that also one is used to measure the oil level of hydraulic oil in the said fuel tank and the liquid level liquid thermometer of oil temperature.
Further, said accessory part also comprises an air-strainer, and said air-strainer is located at said fuel tank and the extraneous scavenge port place that communicates.
The beneficial effect of the hydraulic system that the utility model provides is: the utility model increases by two oil pipes and four one-way valves on the basis of existing single loop hydraulic system, and the oil inlet pipe and the return tube of oil cylinder separated, and makes it change the double loop hydraulic system into.After starting oil pump; Control solenoid directional control valve, hydraulic oil can only get into the rodless cavity of oil cylinder from first oil inlet pipe under the one-way valve effect, promote piston rod and stretch out; Thereby the roadblock machine baffle is risen; Simultaneously the rod chamber hydraulic oil of oil cylinder can only flow back to fuel tank from second return tube under the effect of one-way valve, and when the roadblock machine baffle was raised to, the hydraulic oil that flows back to from rod chamber was understood some and stayed second return tube; When the roadblock machine baffle will descend clearance; Control solenoid directional control valve, hydraulic oil can only get into the rod chamber of oil cylinder from second oil inlet pipe under the effect of one-way valve, promote the piston rod withdrawal; Thereby the baffle plate of roadblock machine is descended; Simultaneously the hydraulic oil in the rod chamber can only flow back to fuel tank from first return tube under the one-way valve effect, and when the roadblock machine baffle is descending when putting in place, the hydraulic oil that flows back to from rod chamber is understood some and stayed first return tube; Yet; The hydraulic oil that remains in first return tube and second return tube that is arranged so that of one-way valve can directly not get into oil cylinder but gets back to fuel tank fully;, in-oil cylinder hydraulic oil do not receive the length restriction of oil pipe so can both all changing in each cyclic process; Thereby having solved traditional single loop hydraulic system possibly all stay in the oil circuit because of the hydraulic oil in the oil cylinder and can't get back to fuel tank; Cause oil cylinder can't change oil fully, and the oily temperature rise that is brought thus, oil body such as oil cylinder rotten, damage problems such as seal ring, the oil cylinder lost of life; In addition, this hydraulic system needs the oil hydraulic circuit of heating/cooling device also can reach desirable effect for big flow, high pressure etc.
The utility model also provides a kind of hydraulic pressure roadblock machine.This hydraulic pressure roadblock machine comprises that a frames, is located at roadblock sideboard, power plant and the electrically-controlled component on the said frames; Said power plant are above-mentioned described hydraulic system; The oil cylinder of said hydraulic system is located on the said frames, and said roadblock sideboard links to each other with the piston rod of said oil cylinder.
Further, being connected between said oil cylinder and said supporting bracket and the roadblock sideboard is hinged.
The beneficial effect of the hydraulic pressure roadblock machine that the utility model provides is: because this roadblock machine has adopted above-mentioned described double loop hydraulic system; Hydraulic oil in the oil pipe can directly not get into oil cylinder but get back in the fuel tank fully, so the hydraulic oil of oil cylinder can both all be changed in each cyclic process and can not receive the length restriction of oil pipe.Thus because tubing length is not limited, but and the hydraulic oil total reflux in the oil circuit in fuel tank, make that just the installation environment to hydraulic pressure roadblock machine reduces with requiring greatly, make the using scope of hydraulic pressure roadblock machine wider, project installation is more convenient etc.
Description of drawings
Fig. 1 is the local principle schematic of oil cylinder in-line and oil circuit in the existing single loop hydraulic system;
The principle schematic of the hydraulic system that Fig. 2 provides for the utility model embodiment;
The hydraulic pressure roadblock machine that Fig. 3 provides for the utility model embodiment face structural representation;
The side-looking structural representation of the hydraulic pressure roadblock machine that Fig. 4 provides for the utility model embodiment.
Embodiment
In order to make the utility model technical problem to be solved, technological scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Please with reference to Fig. 2, the existing hydraulic system that the utility model is provided describes.Said hydraulic system; Comprise an oil pump 1, an oil cylinder 2, regulating and controlling assembly, accessory part and working medium; Said regulating and controlling assembly comprises a solenoid directional control valve 31 and two throttle valve 32 at least; Said accessory part comprise at least one be used for oil storage fuel tank 41, a hydraulic lock 42, and the oil pipe of connected system element; The rodless cavity 202 of said oil cylinder 2 is connected with one first oil inlet pipe A and one first return tube A1, and the rod chamber 201 of said oil cylinder 2 is connected with one second oil inlet pipe B and one second return tube B1; Respectively be provided with an one-way valve 5 on the said first oil inlet pipe A, the second oil inlet pipe B, the first return tube A1 and the second return tube B1.
The hydraulic system that the utility model provides; Two oil pipes of increase (i.e. the first return tube A1 and the second return tube B1) separate the oil inlet pipe and the return tube of oil cylinder on the basis of existing single loop hydraulic system; And on each oil inlet pipe and each return tube, add an one-way valve 5, make it change the double loop hydraulic system into.After starting oil pump 1; Control system makes solenoid directional control valve 31 right-hand members open-minded; Hydraulic oil can only get into the rodless cavity 202 of oil cylinder 2 from the first oil inlet pipe A under one-way valve 5 effects, and promotes to move on the piston 20, drives piston rod 21 and stretches out; Thereby the roadblock machine baffle is risen; Simultaneously rod chamber 201 hydraulic oil of oil cylinder 2 can only flow back to fuel tank 41 from the second return tube B1 under the effect of one-way valve 5, and when the roadblock machine baffle was raised to, the hydraulic oil that flows back to from rod chamber 201 was understood some and stayed the second return tube B1; When the roadblock machine baffle will descend clearance; Control system makes solenoid directional control valve 31 left ends open-minded; Hydraulic oil can only get into the rod chamber 201 of oil cylinder 2 from the second oil inlet pipe B under the effect of one-way valve 5, promote piston 20 and move down, and drives piston rod 21 withdrawals; Thereby the baffle plate of roadblock machine is descended; Simultaneously the hydraulic oil in the rod chamber 201 can only flow back to fuel tank 41 from the first return tube A1 under one-way valve 5 effects, and when the roadblock machine baffle is descending when putting in place, the hydraulic oil that flows back to from rod chamber 201 is understood some and stayed the A1 oil pipe; Yet; The hydraulic oil that remains in the first return tube A1 and the second return tube B1 that is arranged so that of one-way valve 5 can directly not get into oil cylinder 2 but flow back into fuel tank 41 fully;, the hydraulic oil in the oil cylinder 2 do not receive the length restriction of oil pipe so can both all changing in each cyclic process; Thereby having solved traditional single loop hydraulic system possibly all stay in the oil circuit because of the hydraulic oil in the oil cylinder 2 and can't be back to fuel tank 41; Cause oil cylinder 2 can't change oil fully, and the oily temperature rise that is brought thus, oil body such as oil cylinder 2 rotten, damage problems such as seal ring, oil cylinder 2 losts of life; In addition, this hydraulic system needs the oil hydraulic circuit of heating/cooling device also can reach desirable effect for big flow, high pressure etc.
Further, see also Fig. 2 again, a kind of embodiment of the hydraulic system that provides as the utility model, said regulating and controlling assembly also comprises a relief valve 33 and a stop valve 34.The purpose that relief valve is set is to realize level pressure overflow and overload protection, makes the pressure in the hydraulic system not exceed the pressure of being limit, the Security of raising system operation; Stop valve can realize the cut-out of hydraulic oil or regulate and throttling, enhanced system handling.
Further, also see also Fig. 2, a kind of embodiment of the hydraulic system that provides as the utility model, said accessory part also comprises an oil purifier 43, said oil purifier 43 is located at the oil-inlet end that connects said fuel tank 41 and the oil pipe of said oil pump 1.In actual the use; Because grit or dust in outside invader such as the atmosphere; Usually can pass through in the invasive system such as envelope axle and oil pump of fuel tank pore, oil cylinder; The metal granule that pump, valve and joint split away off, pipeline inner rust erosion spall and fluid oxidation and the particle and the jelly that decompose generation.Oil purifier 43 is set filters removing to above-mentioned pollutant,, thereby guarantee the working life of hydraulic system in order to avoid damage equipment perhaps causes the system failure.
Further, still see also Fig. 2, a kind of embodiment of the hydraulic system that provides as the utility model, said accessory part also comprises a pressure gauge 44.Pressure gauge 44 is set can monitor intrasystem pressure at any time, is convenient to as the case may be system pressure adjusted.
Further, see also Fig. 2 again, a kind of embodiment of the hydraulic system that provides as the utility model, said accessory part comprises that also one is used to measure the oil level of hydraulic oil in the said fuel tank 41 and the liquid level liquid thermometer 45 of oil temperature.Liquid level liquid thermometer 45 is set can be monitored what and temperature of the hydraulic oil in the fuel tank in real time, is convenient in time understand intrasystem oil mass and oil temperature, and the temperature of according to circumstances refueling or taking measures to regulate hydraulic oil.
Further, please continue referring to Fig. 2, a kind of embodiment of the hydraulic system that provides as the utility model, said accessory part also comprises an air-strainer 46, said air-strainer 46 is located at said fuel tank 41 and the extraneous scavenge port place that communicates.Be provided with that air-strainer 46 prevents that suspended particulate impurity such as dust in air is drawn in the fuel tank 41 and the especially wearing and tearing of oil cylinder of each element of aggravation system, influence the working life of hydraulic system.
The utility model also provides a kind of hydraulic pressure roadblock machine.See also Fig. 3 and Fig. 4; Said hydraulic pressure roadblock machine comprises that a frames 100, is located at roadblock sideboard 200, power plant and the electrically-controlled component on the said frames 100; Said power plant are above-mentioned described hydraulic system; Said oil cylinder 2 is located on the said frames 100, and said roadblock sideboard 200 links to each other with the piston rod 21 of said oil cylinder 2.
The hydraulic pressure roadblock machine that the utility model provides; Adopted above-mentioned described double loop hydraulic system; Hydraulic oil in the return tube can directly not get into oil cylinder 2 but get back in the fuel tank fully, so the hydraulic oil of oil cylinder 2 can both all be changed in each cyclic process and can not receive the length restriction of oil pipe.Thus because tubing length is not limited, but and the hydraulic oil total reflux in the oil circuit in fuel tank, make that just the installation environment to hydraulic pressure roadblock machine reduces with requiring greatly, make the using scope of hydraulic pressure roadblock machine wider, project installation is more convenient etc.
Further, referring to Fig. 4, a kind of embodiment of the hydraulic pressure roadblock machine that provides as the utility model, between said oil cylinder 2 and said supporting bracket 100 and the roadblock sideboard 200 be connected be hinged; Rationally simple and difficult inefficacy of its Placement.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. hydraulic system; Comprise an oil pump, an oil cylinder, regulating and controlling assembly, accessory part and working medium; Said regulating and controlling assembly comprises a solenoid directional control valve and two throttle valve at least; Said accessory part comprises a fuel tank, a hydraulic lock at least, reaches the oil pipe of connected system element, it is characterized in that:
The rodless cavity of said oil cylinder is connected with one first oil inlet pipe and one first return tube, and the rod chamber of said oil cylinder is connected with one second oil inlet pipe and one second return tube; Respectively be provided with an one-way valve on said first oil inlet pipe, second oil inlet pipe, first return tube and second return tube.
2. hydraulic system according to claim 1 is characterized in that, said regulating and controlling assembly also comprises a relief valve and a stop valve.
3. hydraulic system according to claim 1 is characterized in that said accessory part also comprises an oil purifier, and said oil purifier is located at the oil-inlet end of the oil pipe that connects said fuel tank and said oil pump.
4. hydraulic system according to claim 1 is characterized in that said accessory part also comprises a pressure gauge.
5. hydraulic system according to claim 1 is characterized in that, said accessory part comprises that also one is used to measure the oil level of hydraulic oil in the said fuel tank and the liquid level liquid thermometer of oil temperature.
6. hydraulic system according to claim 1 is characterized in that said accessory part also comprises an air-strainer, and said air-strainer is located at said fuel tank and the extraneous scavenge port place that communicates.
7. hydraulic pressure roadblock machine; Comprise that a frames, is located at roadblock sideboard, power plant and the electrically-controlled component on the said frames; It is characterized in that; Said power plant are each described hydraulic system of claim 1 to 6, and the oil cylinder of said hydraulic system is located on the said frames, and said roadblock sideboard is connected with the piston rod of said oil cylinder.
8. hydraulic pressure roadblock machine according to claim 7 is characterized in that, being connected between said oil cylinder and said supporting bracket and the roadblock sideboard is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120261301 CN202176560U (en) | 2011-07-22 | 2011-07-22 | Hydraulic system and hydraulic roadblock machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120261301 CN202176560U (en) | 2011-07-22 | 2011-07-22 | Hydraulic system and hydraulic roadblock machine |
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| Publication Number | Publication Date |
|---|---|
| CN202176560U true CN202176560U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120261301 Expired - Fee Related CN202176560U (en) | 2011-07-22 | 2011-07-22 | Hydraulic system and hydraulic roadblock machine |
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| Country | Link |
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| CN (1) | CN202176560U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691698A (en) * | 2012-06-20 | 2012-09-26 | 苏州世力源科技有限公司 | Method for preventing hydraulic impact table oil source from raising temperature |
| CN104155231A (en) * | 2014-04-02 | 2014-11-19 | 山东省鲁北地质工程勘察院 | Corrosion performance testing device and method for deep brine formation filter pipe |
| CN104267630A (en) * | 2014-10-10 | 2015-01-07 | 北京机械设备研究所 | Electric cylinder control method for crossing interception system |
| CN104865280A (en) * | 2015-04-30 | 2015-08-26 | 南京航空航天大学 | Positron liquid perfusion system and method |
| CN110206771A (en) * | 2019-05-20 | 2019-09-06 | 广州宝力特液压密封有限公司 | A kind of hydraulic system for recreation facility |
| CN112943747A (en) * | 2021-03-02 | 2021-06-11 | 中冶宝钢技术服务有限公司 | Method for replacing oil of hydraulic system of clamp hoisting equipment |
-
2011
- 2011-07-22 CN CN 201120261301 patent/CN202176560U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691698A (en) * | 2012-06-20 | 2012-09-26 | 苏州世力源科技有限公司 | Method for preventing hydraulic impact table oil source from raising temperature |
| CN102691698B (en) * | 2012-06-20 | 2015-07-15 | 苏州世力源科技有限公司 | Method for preventing hydraulic impact table oil source from raising temperature |
| CN104155231A (en) * | 2014-04-02 | 2014-11-19 | 山东省鲁北地质工程勘察院 | Corrosion performance testing device and method for deep brine formation filter pipe |
| CN104155231B (en) * | 2014-04-02 | 2017-07-14 | 山东省鲁北地质工程勘察院 | A kind of Deep Formation Brine stratum filter pipe corrosive nature test device and method of testing |
| CN104267630A (en) * | 2014-10-10 | 2015-01-07 | 北京机械设备研究所 | Electric cylinder control method for crossing interception system |
| CN104267630B (en) * | 2014-10-10 | 2016-10-19 | 北京机械设备研究所 | A kind of electric cylinder control method for road junction intercepting system |
| CN104865280A (en) * | 2015-04-30 | 2015-08-26 | 南京航空航天大学 | Positron liquid perfusion system and method |
| CN110206771A (en) * | 2019-05-20 | 2019-09-06 | 广州宝力特液压密封有限公司 | A kind of hydraulic system for recreation facility |
| CN110206771B (en) * | 2019-05-20 | 2020-06-16 | 广州宝力特液压密封有限公司 | Hydraulic system for recreation facility |
| CN112943747A (en) * | 2021-03-02 | 2021-06-11 | 中冶宝钢技术服务有限公司 | Method for replacing oil of hydraulic system of clamp hoisting equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20180722 |