CN202187969U - Lifting hydraulic control loop and equipment of lifting horizontal rubbish compressing and transiting device - Google Patents
Lifting hydraulic control loop and equipment of lifting horizontal rubbish compressing and transiting device Download PDFInfo
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- CN202187969U CN202187969U CN2011201329130U CN201120132913U CN202187969U CN 202187969 U CN202187969 U CN 202187969U CN 2011201329130 U CN2011201329130 U CN 2011201329130U CN 201120132913 U CN201120132913 U CN 201120132913U CN 202187969 U CN202187969 U CN 202187969U
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- lifting
- control circuit
- hydraulic control
- valve
- lift oil
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Abstract
The utility model discloses a lifting hydraulic control loop and equipment of a lifting horizontal rubbish compressing and transiting device, which belongs to the technical field of hydraulic lifting control. The control loop is formed by connecting a three-position four-way electromagnetic exchange valve, a bidirectional hydraulic lock and four lifting cylinders by pipelines, and also comprises a balance valve which is arranged on one pipeline where cavities without rods of the two lifting cylinders are connected to the bidirectional hydraulic lock in a returning manner. As the lifting hydraulic control loop is provided with the balance valve on the pipeline where the cavities without rods of the two lifting cylinders are connected to the bidirectional hydraulic lock in a returning manner, the stability of a lifting mechanism in settling is effectively improved and the safety and reliability of the lifting mechanism are improved by utilizing the backpressure and locking functions of the balance valve.
Description
Technical field
The utility model relates to hydraulic lifting control field, relates in particular to a kind of up-down hydraulic control circuit and equipment of rise-fall type horizontal refuse compression transferring equipment.
Background technique
Rise-fall type horizontal refuse compression transferring equipment is that a kind of novel domestic garbage compression of adopting hydraulic transmission technology is stored, transferring equipment.It subtracts appearance back automatic loading to the rubbish compression by means of the driving of hydraulic system, can increase the transhipment amount, improve transport efficacy, can practice thrift a lot of costs in All aspects of such as waste transportation train number, fuel cost, vehicle losses.Entire equipment sinks to underground during use; On the garbage can remain basically stable in plane and ground; For make the compression casing from ground safety, be raised to more than the ground reliably, accurately and steadily be deposited in the melt pit reliably; Because the action of elevator mechanism drives by lift oil tank and realizes, so the hydraulic control circuit of lift oil tank has played conclusive effect to the reliability and the stationarity of lifting mechanism.
Fig. 1 is a present domestic water flat rubbish compression transferring equipment up-down hydraulic control circuit commonly used, is made up of a 3-position 4-way solenoid directional control valve 1, a bidirectional hydraulic lock 2 and four lift oil tanks 3.
There is drawback at least in the up-down hydraulic control circuit of the transferring equipment that Fig. 1 provides: owing to the reason of bidirectional hydraulic lock 2 structures itself; When the elevator mechanism sedimentation,, often in lift oil tank 3 rod chamber d, cause instantaneous loss of pressure because the load of compression casing (rubbish piece) is heavier; Produce vacuum; And one-way valve (one-way valves in bidirectional hydraulic lock 2 left sides) is closed, and continue fuel feeding then, make the rod chamber d internal pressure open check valve again that rises.Owing to open closing motion continually, and can make the bigger shock and vibration of generation in the process that loads on the whereabouts, influence the stationarity and the working life of equipment.In addition if following two kinds of situations: (1) bidirectional hydraulic lock 2 breaks down, and can not lock; (2) leaking or booster appears in any pipeline of being connected with lift oil tank 3 rodless cavity c of bidirectional hydraulic lock 2.Hydraulic oil can not be locked in the lift oil tank 3 rodless cavity c, and elevator mechanism will descend automatically, have potential safety hazard, even serious security incident possibly take place, and make Security relatively poor.
The model utility content
Based on above-mentioned existing in prior technology problem; The purpose of the utility model mode of execution is to provide a kind of up-down hydraulic control circuit and equipment of rise-fall type horizontal refuse compression transferring equipment, improves the stationarity and the safety reliability of the work of transferring equipment elevator mechanism.
The purpose of the utility model realizes through following technological scheme:
The utility model mode of execution provides a kind of up-down hydraulic control circuit of rise-fall type horizontal refuse compression transferring equipment; Be formed by connecting through pipeline a 3-position 4-way solenoid directional control valve, a bidirectional hydraulic lock and four lift oil tanks; This control loop also comprises equilibrium valve, and this equilibrium valve is arranged on the pipeline of rodless cavity tieback to bidirectional hydraulic lock of two lift oil tanks.
The utility model mode of execution also provides a kind of rise-fall type horizontal refuse compression transferring equipment, comprises the up-down hydraulic control circuit, and said up-down hydraulic control circuit adopts above-mentioned up-down hydraulic control circuit.
Technological scheme by above-mentioned the utility model mode of execution provides can be found out; In the up-down hydraulic control circuit that the utility model mode of execution provides; Owing to returning an equilibrium valve is set on the pipeline that is connected to bidirectional hydraulic lock at two lift oil tanks, thereby when the elevator mechanism sedimentation, because the back pressure effect of equilibrium valve; Must set up certain pressure in the rod chamber d of two lift oil tanks could move, so the sedimentation stable action; When the 3-position 4-way solenoid directional control valve is in meta; Bidirectional hydraulic lock and equilibrium valve are formed multiple insurance, and hydraulic oil in the rodless cavity of two lift oil tanks is locked, not can because of hydraulic oil in the rodless cavity of two lift oil tanks can not be locked; And elevator mechanism is descended automatically, cause potential safety hazard.This up-down hydraulic control circuit is simple in structure, the stationarity when effectively having improved the elevator mechanism sedimentation and the Security reliability of elevator mechanism.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment's technological scheme; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skill in the art; Under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The rise-fall type horizontal refuse that Fig. 1 provides for existing technology compresses the up-down hydraulic control circuit schematic representation of transferring equipment;
A kind of up-down hydraulic control circuit schematic representation that Fig. 2 provides for the utility model embodiment;
The another kind up-down hydraulic control circuit schematic representation that Fig. 3 provides for the utility model embodiment;
Each sequence number corresponding component name is called among Fig. 2: 11-3-position 4-way solenoid directional control valve; The 12-bidirectional hydraulic lock; 13,14-lift oil tank; 15-equilibrium valve one; The pipeline of an oil return of 16-; 17-equilibrium valve two; The pipeline of another oil return of 18-.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment of the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the protection domain of the utility model.
To combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
The utility model embodiment provides a kind of up-down hydraulic control circuit; Can be used in the elevator mechanism of rise-fall type horizontal refuse compression transferring equipment; The structure of this up-down hydraulic control circuit is as shown in Figure 2; Be to be formed by connecting by the road a 3-position 4-way solenoid directional control valve 11, bidirectional hydraulic lock 12, an equilibrium valve 15 and four lift oil tanks 13,14, wherein, equilibrium valve 1 is arranged on the pipeline 16 of rodless cavity tieback to bidirectional hydraulic lock of two lift oil tanks.Wherein, said equilibrium valve adopts the DC type equilibrium valve of adjustable in pressure joint.
The working procedure of above-mentioned up-down hydraulic control circuit shown in Figure 2 is following: when the electromagnet 1DT of three position four-way directional control valve 11 gets; Selector valve switches to a position, bidirectional hydraulic lock 12 unlatchings this moment, and equilibrium valve 1 is in the one-way valve opening state; Hydraulic oil P gets in the rodless cavity c of lift oil tank 13,14; Hydraulic oil in the rod chamber d of lift oil tank 13,14 flows back to fuel tank through bidirectional hydraulic lock 12 and three position four-way directional control valve 11, and the piston rod of lift oil tank 13,14 stretches out, and equipment integral is hoisted; When the electromagnet 2DT of three position four-way directional control valve 11 gets; Selector valve switches to the b position, bidirectional hydraulic lock 12 unlatchings this moment, and hydraulic oil P gets in the rod chamber d of lift oil tank 13,14; Equilibrium valve 1 is in the closed check valve state; The rod chamber d pressure of lift oil tank 13,14 is elevated to certain value gradually, and equilibrium valve one 15 places set up back pressure and form path, and the hydraulic oil in the rodless cavity c of lift oil tank 13 flows back to the fuel tank that is connected with three position four-way directional control valve 11 through bidirectional hydraulic lock 12 with three position four-way directional control valve 11; The piston rod withdrawal of lift oil tank 13,14, the equipment integral sedimentation; When 3-position 4-way solenoid directional control valve 1 is in meta; Bidirectional hydraulic lock 12 is formed multiple insurance with equilibrium valve 1; Hydraulic oil in the rodless cavity c of lift oil tank 13 is locked, can not make the equipment on the piston rod of lift oil tank 13 produce sedimentation because of factors such as deadweights, guaranteed safety.
On the basis of above-mentioned up-down hydraulic control circuit; A kind of up-down hydraulic control circuit shown in Figure 3 also is provided; Be to be formed by connecting by the road a 3-position 4-way solenoid directional control valve 11, bidirectional hydraulic lock 12, two 15,17 and four lift oil tanks 13,14 of equilibrium valve; Wherein, Equilibrium valve 1 is arranged on the pipeline 16 of rodless cavity tieback to bidirectional hydraulic lock of two lift oil tanks, and the rodless cavity that another equilibrium valve is arranged on two other lift oil tank returns on the pipeline 18 that is connected to bidirectional hydraulic lock.
The working procedure of above-mentioned up-down hydraulic control circuit shown in Figure 3 is following: when the electromagnet 1DT of three position four-way directional control valve 11 gets; Selector valve switches to a position; Bidirectional hydraulic lock 12 unlatchings this moment; Equilibrium valve one, 2 15,16 all is in the one-way valve opening state, and hydraulic oil P gets in the rodless cavity c of lift oil tank 13,14, and the hydraulic oil in the rod chamber d of lift oil tank 13,14 flows back to fuel tank through bidirectional hydraulic lock 12 and three position four-way directional control valve 11; The piston rod of lift oil tank 13,14 stretches out, and equipment integral is hoisted; When the electromagnet 2DT of three position four-way directional control valve 1 gets; Selector valve switches to the b position, bidirectional hydraulic lock 12 unlatchings this moment, and hydraulic oil P gets in the rod chamber d of lift oil tank 13,14; Equilibrium valve one, 2 15,16 all is in the closed check valve state; The rod chamber d pressure of lift oil tank 13,14 is elevated to certain value gradually, and equilibrium valve one, 2 15,16 places set up back pressure and form path, and the hydraulic oil in the rodless cavity c of lift oil tank 13,14 flows back to the fuel tank that is connected with three position four-way directional control valve 11 through bidirectional hydraulic lock 12 with three position four-way directional control valve 11; The piston rod withdrawal of lift oil tank 13,14, the equipment integral sedimentation; When 3-position 4-way solenoid directional control valve 11 is in meta; Bidirectional hydraulic lock 12 is formed multiple insurance with equilibrium valve one, 2 15,16; Hydraulic oil in the rodless cavity c of lift oil tank 13,14 is locked; Can not make the equipment on the piston rod of lift oil tank 13,14 produce sedimentation, guarantee safety because of factors such as deadweights.
From the working procedure explanation of above-mentioned up-down hydraulic control circuit to present embodiment, can know; Even consider under the unfavorable factor situation; The up-down hydraulic control circuit of present embodiment also can guarantee the reliability of elevator mechanism locking: (1) when bidirectional hydraulic lock broke down, two equilibrium valves can lock the hydraulic oil in the lift oil tank rodless cavity c; (2) if two equilibrium valves break down, bidirectional hydraulic lock can lock the hydraulic oil in the lift oil tank rodless cavity c; (3) during the connecting pipeline booster between an equilibrium valve and lift oil tank, between two other lift oil tank that another equilibrium valve is communicated with in the rodless cavity c hydraulic oil can be locked; When (4) pipeline between bidirectional hydraulic lock 12 and two equilibrium valves broke down, two equilibrium valves can lock the hydraulic oil in the rodless cavity c of lift oil tank.
The utility model embodiment's hydraulic control circuit; Through returning an equilibrium valve is set all on the pipeline that is connected to bidirectional hydraulic lock at two lift oil tanks; Steadily do not have in the time of can guaranteeing the elevator mechanism sedimentation and impact, compare, can make the hydraulic oil of the interior rodless cavity of lift oil tank of elevator mechanism realize double locking yet with existing up-down control loop; Avoided because of hydraulic oil in the rodless cavity of lift oil tank can not be locked; And elevator mechanism is descended automatically, and cause potential safety hazard, effectively improved the safety reliability of the control of going up and down.
The above; Be merely the preferable embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claims.
Claims (4)
1. the up-down hydraulic control circuit of rise-fall type horizontal refuse compression transferring equipment; Be formed by connecting through pipeline a 3-position 4-way solenoid directional control valve, a bidirectional hydraulic lock and four lift oil tanks; It is characterized in that; This control loop also comprises equilibrium valve, and this equilibrium valve is arranged on the pipeline of rodless cavity tieback to bidirectional hydraulic lock of two lift oil tanks.
2. the up-down hydraulic control circuit of rise-fall type horizontal refuse compression transferring equipment according to claim 1; It is characterized in that; Said control loop also comprises: another equilibrium valve, the rodless cavity that is arranged on two other lift oil tank return on the pipeline that is connected to bidirectional hydraulic lock.
3. the up-down hydraulic control circuit of rise-fall type horizontal refuse compression transferring equipment according to claim 1 and 2 is characterized in that said equilibrium valve adopts the DC type equilibrium valve of adjustable in pressure joint.
4. a rise-fall type horizontal refuse compression transferring equipment comprises the up-down hydraulic control circuit, it is characterized in that said up-down hydraulic control circuit adopts aforesaid right to require 1～3 each described up-down hydraulic control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201329130U CN202187969U (en) | 2011-04-28 | 2011-04-28 | Lifting hydraulic control loop and equipment of lifting horizontal rubbish compressing and transiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201329130U CN202187969U (en) | 2011-04-28 | 2011-04-28 | Lifting hydraulic control loop and equipment of lifting horizontal rubbish compressing and transiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202187969U true CN202187969U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201329130U Expired - Fee Related CN202187969U (en) | 2011-04-28 | 2011-04-28 | Lifting hydraulic control loop and equipment of lifting horizontal rubbish compressing and transiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202187969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263822A (en) * | 2021-12-23 | 2022-04-01 | 中国电子科技集团公司第三十八研究所 | Unlocking impact prevention hydraulic system and method for radar lifting mechanism |
-
2011
- 2011-04-28 CN CN2011201329130U patent/CN202187969U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263822A (en) * | 2021-12-23 | 2022-04-01 | 中国电子科技集团公司第三十八研究所 | Unlocking impact prevention hydraulic system and method for radar lifting mechanism |
| CN114263822B (en) * | 2021-12-23 | 2023-04-25 | 中国电子科技集团公司第三十八研究所 | Unlocking-resistant impact hydraulic system and method of radar lifting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 437100 238 Jin Gui Road, Xianning Economic Development Zone, Xianning, Hubei Patentee after: Ho Chi New Energy Automobile Co., Ltd. Address before: 437000 Changjiang Industrial Park, Xianning Economic Development Zone, Xianning, Hubei Patentee before: Hubei Hejia Environment Equipment Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20190428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |