CN203566880U - Gas-liquid supercharging device for unloading door of internal mixer - Google Patents
Gas-liquid supercharging device for unloading door of internal mixer Download PDFInfo
- Publication number
- CN203566880U CN203566880U CN201320710813.0U CN201320710813U CN203566880U CN 203566880 U CN203566880 U CN 203566880U CN 201320710813 U CN201320710813 U CN 201320710813U CN 203566880 U CN203566880 U CN 203566880U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- valve
- oil
- air
- liquid
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/26—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/801—Valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
- B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a gas-liquid supercharging device for an unloading door of an internal mixer and belongs to the technical field of rubber-plastic internal mixers. The gas-liquid supercharging device comprises a pneumatic hydraulic pump, wherein the pneumatic hydraulic pump is connected to an oil inlet pipeline in a hydraulic oil tank and is provided with an oil inlet one-way valve and an oil filter; an oil outlet one-way valve, an energy accumulator and an electromagnetic directional hydraulic valve are sequentially connected in series to an oil cylinder of an unloading door locking mechanism on an oil outlet pipeline of the pneumatic hydraulic pump, and a liquid return pipeline connected to the oil cylinder of the unloading door locking mechanism penetrates through the electromagnetic directional hydraulic valve and is connected into the hydraulic oil tank. According to the gas-liquid supercharging device, the opening and closing of the unloading door locking mechanism can be rapidly realized, and the gas-liquid supercharging device automatically stops when reaching a preset pressure, automatically returns to work when the pressure is required to be supercharged, and consumes no energy when stopping.
Description
Technical field
The utility model relates to rubber and plastic banbury technical field, the new drive device of especially a kind of discharge door of banbury mixer locking, and its can realize the switching of Dump gate retaining mechanism fast and reliablely, is suitable for using in banbury that full air pressure drives.
Background technology
Closed refining glue (moulding) machine is called for short banbury, and it is the visual plant of rubber plastic processing.Be mainly used in the mixing of rubber or plastics and compounding ingredient.Banbury adopts intermittent cyclic mode to carry out mixing work, and in operation cycle each time, charging mechanism, feeding pressure mechanism and unloader be accurately and reliably coordination all.The action of these structures is generally driven by compressed air or hydraulic oil.Old-fashioned low pressure low speed banbury adopts full air pressure to drive, charger and feeding pressure mechanism adopt air pressure to drive can meet job requirement, but shedding mechanism adopts air pressure to drive and just encounters problems, compressibility due to air, using Dump gate retaining mechanism that air pressure drives when work, to be subject to the active force of material and rotor in banburying chamber will make a concession, and is difficult to realize reliable sealing.In order to address this problem, old-fashioned low pressure low speed banbury adopts slidingtype Dump gate, and the Dump gate of this form does not need retaining mechanism, but discharge rate is slow, and sealing effectiveness is poor, easily produces the remaining glue of dead angle accumulation, affects compound quality.In order to address this problem, just there are two kinds of banburies that type of drive is used simultaneously, charging mechanism and feeding pressure mechanism adopt air pressure to drive, and shedding mechanism adopts hydraulic-driven.Current go-go large high-speed high pressure banbury adopts full hydraulic drive, can accomplish like this compact conformation, energy-conservation and reduction noise, but technical merit and the cost of manufacture and maintenance is very high.
The banbury that full air pressure drives has great practical value at the medium and small rubber molding plant that is equipped with compressed air pipe network, key is the reliability that must guarantee retaining mechanism, retaining mechanism action frequency in the operation cycle of banbury is few, impulse stroke and working time are short, but need very large coupling mechanism force.It is uneconomic coordinating an electric hydraulic station for this reason.This is the technical problem that the banbury that adopts full air pressure to drive is badly in need of further Improvement and perfection, also problem to be solved in the utility model just.
Utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of simple in structure, easy and simple to handle, easy to use, low cost of manufacture, the apparatus for pressurizing gas, liquid of the discharge door of banbury mixer that the life-span is permanent can be realized the switching of Dump gate retaining mechanism fast and reliablely.
The technical solution adopted in the utility model is as follows:
The apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, comprises air-driven hydraulic pump, and being connected on the in-line in hydraulic oil container of described air-driven hydraulic pump, is provided with in line check valve and filter oil device; On the fuel-displaced pipeline of described air-driven hydraulic pump, oil outlet one-way valve, accumulator, the electromagnetic switch hydraulic valve oil cylinder to Dump gate retaining mechanism of connecting successively, the liquid back pipe road connecting on the oil cylinder of described Dump gate retaining mechanism, is connected in hydraulic oil container through electromagnetic switch hydraulic valve.
Owing to having adopted said structure, compressed air enters the actuating cylinder of air-driven hydraulic pump by air inlet pipe and electromagnetic switch air valve, makes the piston driving piston rod of actuating cylinder reciprocating.The piston rod of actuating cylinder is also the plunger of pressurizing cylinder, when plunger is up, hydraulic oil in hydraulic oil container enters plunger case by filter oil device and in line check valve, when plunger is descending, hydraulic oil is discharged from plunger case, by oil outlet one-way valve, enter accumulator, along with oil mass in accumulator increases, pressure in accumulator also raises gradually, pressure in accumulator reaches after the corresponding supercharging multiple of compressed air pressure, the strength at air-driven hydraulic pump two ends reaches balance, piston stop motion, and air-driven hydraulic pump quits work.While needing the action of Dump gate retaining mechanism, the pressure oil in accumulator enters Dump gate locking cylinder by electromagnetic switch hydraulic valve, promotes lock pin and realizes locking or unlocking action.The pressure decreased in accumulator now, the strength disequilibrium at air-driven hydraulic pump two ends, air-driven hydraulic pump is resumed work, until again reach strength, again after balance, stops.The utility model is applied to the specific occasion (action frequency is few, and impulse stroke and working time are short, needs very large coupling mechanism force) that full air pressure drives discharge door of banbury mixer locking, compares with the electric hydraulic station of current use, has very large advantage.The utility model is compared with the electric hydraulic station of current use, can realize equally the switching of Dump gate retaining mechanism fast and reliablely, simple in structure, low cost of manufacture, and reliability is high, saves the energy, long service life.
The apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, described air-driven hydraulic pump comprises actuating cylinder and plunger cylinder, the piston rod of described actuating cylinder, enters the inner plunger that forms of plunger cylinder through two sealing rings oppositely installing on plunger cylinder port; Described in line check valve and oil outlet one-way valve are linked to respectively on the lower oil-in and lower oil-out of plunger cylinder (5); On described actuating cylinder, be connected with air inlet pipeline and outlet pipe, wherein air inlet pipeline is connected with air inlet pipe by electromagnetic switch air valve, and described outlet pipe is connected with silencer by electromagnetic switch air valve.
Owing to having adopted said structure, the air-driven hydraulic pump that the core component of gas-liquid pumping plant is comprised of actuating cylinder and pressurizing cylinder (being also plunger cylinder), during pumping plant work, compressed air makes the piston driving piston rod of actuating cylinder reciprocating by electromagnetic switch air valve, piston rod is also the plunger of pressurizing cylinder, the ratio of piston area and piston rod area be that supercharging multiple (is generally 10 times of left and right, can determine as required), the pressure oil of pressurizing cylinder output enters hydraulic accumulator by check valve, along with oil mass in accumulator increases, pressure in accumulator also raises gradually, pressure in accumulator reaches after the corresponding supercharging multiple of compressed air pressure, air-driven hydraulic pump quits work, pressure oil in accumulator is by electromagnetic switch hydraulic valve, can drive the oil cylinder of Dump gate retaining mechanism, realize the on-off action of Dump gate retaining mechanism.
The apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, the pipeline connecting mode between described electromagnetic switch air valve and actuating cylinder, adopts when the power-off of electromagnetic switch air valve the descent of piston of described actuating cylinder.
Owing to having adopted said structure, pipeline connecting mode between electromagnetic switch air valve and the actuating cylinder of air-driven hydraulic pump is: while being set in the power-off of electromagnetic switch air valve, the descent of piston of actuating cylinder, the advantage of this setting means is that air-driven hydraulic pump is when quit work, electromagnetic switch air valve is in off-position, solenoid does not consume electric energy, avoids long-term heating power yet, not only energy-conservation but also increase the service life.
The apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, the piston area in described actuating cylinder is 10 times of plunger cylinder inner plunger area.
Owing to having adopted said structure, the Area Ratio of the piston in actuating cylinder and plunger cylinder inner plunger, also be piston in actuating cylinder and the Area Ratio of piston rod, its Area Ratio is 10 times, also be that piston area in actuating cylinder and the ratio of piston rod area are that supercharging multiple is 10 times, thereby can effectively increase the oil pressure pressure in plunger cylinder by actuating cylinder, thereby can effectively drive the work of locking cylinder.
The apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, described Dump gate retaining mechanism comprises the Dump gate locking cylinder that connects and be controlled by electromagnetic switch hydraulic valve and the lock pin of controlling Dump gate switching, and described lock pin is connected on the piston rod of Dump gate locking cylinder.
Owing to having adopted said structure, electromagnetic switch hydraulic valve can drive the oil cylinder work of Dump gate retaining mechanism, also the piston rod that is Dump gate locking cylinder is flexible, when the piston rod of Dump gate locking cylinder stretches, can be with pendulum lock pin to move back and forth, thereby can effectively regulate coordinating between lock pin and lock in Dump gate, then realize the on-off action of Dump gate retaining mechanism, make operation very simple and efficient.
The apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, is also provided with Pressure gauge on described fuel-displaced pipeline, and described Pressure gauge is between accumulator and electromagnetic switch hydraulic valve, and described accumulator is connected in hydraulic oil container by relief valve.
Owing to having adopted said structure, when needs field-strip, to open relief valve the pressure oil in accumulator is leaked into hydraulic oil container, the pressure in accumulator shows with Pressure gauge.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, the apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, simple in structure, easy and simple to handle, easy to use, low cost of manufacture, and the life-span is permanent, is applicable to applying;
2, the apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, can realize fast and reliablely the switching of Dump gate retaining mechanism, reach automatically out of service after setting pressure, need supercharging automatically to resume work, consumed energy not completely when out of service.
Accompanying drawing explanation
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is air-driven hydraulic pump structural representation in the utility model.
Mark in figure: 1-hydraulic oil container, 2-filter oil device, 3-in line check valve, 4-oil outlet one-way valve, 5-plunger cylinder, 6-actuating cylinder, 7-relief valve, 8-accumulator, 9-Pressure gauge, 10-electromagnetic switch air valve, 11,13-silencer, 12-air inlet pipe, 14-electromagnetic switch hydraulic valve, 15-Dump gate locking cylinder, 16-lock pin, 17-sealing ring, 18-piston rod.
The specific embodiment
Disclosed all features in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this description (comprising any accessory claim, summary), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
As depicted in figs. 1 and 2, the apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, comprise air-driven hydraulic pump, described air-driven hydraulic pump comprises actuating cylinder 6 and plunger cylinder 5, the piston rod 18 of described actuating cylinder 6, through two sealing rings 17 oppositely installing on plunger cylinder 5 ports, enter the inner plunger that forms of plunger cylinder 5, making piston rod 18 is also the plunger in plunger cylinder 5, and the piston area in described actuating cylinder 6 is 10 times of plunger cylinder 5 inner plunger areas; On described actuating cylinder 6, be connected with air inlet pipeline and outlet pipe, wherein air inlet pipeline is connected with air inlet pipe 12 by electromagnetic switch air valve 10, pipeline connecting mode between described electromagnetic switch air valve 10 and actuating cylinder 6, adopt when 10 power-off of electromagnetic switch air valve, the descent of piston of described actuating cylinder 6, described outlet pipe is connected with silencer by electromagnetic switch air valve 10; Being connected on the in-line in hydraulic oil container 1 of described air-driven hydraulic pump, is provided with in line check valve 3 and filter oil device 2; On the fuel-displaced pipeline of described air-driven hydraulic pump, oil outlet one-way valve 4, accumulator 8, Pressure gauge 9, electromagnetic switch hydraulic valve 14 oil cylinder to Dump gate retaining mechanism of connecting successively, described accumulator 8 is connected in hydraulic oil container 1 by relief valve 7, described Dump gate retaining mechanism comprises and connects and be controlled by the Dump gate locking cylinder 15 of electromagnetic switch hydraulic valve 14 and control the lock pin 16 that Dump gate opens and closes, described lock pin 16 is connected on the piston rod of Dump gate locking cylinder 15, and described in line check valve 3 and oil outlet one-way valve 4 are located at respectively on the wall of plunger cylinder 5; The liquid back pipe road connecting on described Dump gate locking cylinder 15, is connected in hydraulic oil container 1 through electromagnetic switch hydraulic valve 14.
The apparatus for pressurizing gas, liquid of discharge door of banbury mixer of the present utility model, compressed air enters the actuating cylinder 6 of air-driven hydraulic pump by the electromagnetic switch air valve 10 of air inlet pipe 12 and two-position five-way, make the piston driving piston rod of actuating cylinder 6 reciprocating.The piston rod of actuating cylinder 6 is also the plunger of pressurizing cylinder 5, when plunger is up, hydraulic oil in hydraulic oil container 1 enters plunger case 5 by filter oil device 2 and in line check valve 3, when plunger is descending, hydraulic oil is discharged from plunger case 5, by oil outlet one-way valve 4, enter accumulator 8, along with oil mass in accumulator 8 increases, pressure in accumulator 8 also raises gradually, pressure in accumulator 8 reaches after the corresponding supercharging multiple of compressed air pressure, the strength at air-driven hydraulic pump two ends reaches balance, piston stop motion, and air-driven hydraulic pump quits work.While needing the action of Dump gate retaining mechanism, the pressure oil in accumulator 8 enters Dump gate locking cylinder 15 by the electromagnetic switch hydraulic valve 14 of 3-position 4-way, promotes lock pin 16 and realizes locking or unlocking action.The pressure decreased in accumulator 8 now, the strength disequilibrium at air-driven hydraulic pump two ends, air-driven hydraulic pump is resumed work, until again reach strength, again after balance, stops.
Pipeline connecting mode between the electromagnetic switch air valve 10 of two-position five-way and the actuating cylinder 6 of air-driven hydraulic pump is while being set in 10 power-off of electromagnetic switch air valve, the descent of piston of actuating cylinder 6, the advantage of this setting means is that air-driven hydraulic pump is when quit work, electromagnetic switch air valve 10 is in off-position, solenoid does not consume electric energy, also avoid long-term heating power, not only energy-conservation but also increase the service life.
When needs field-strip, to open relief valve 7 pressure oil in accumulator 8 is leaked into hydraulic oil container 1, the pressure in accumulator 8 shows with Pressure gauge 9.Silencer 11 and 13 is used for reducing the exhaust noise of the electromagnetic switch air valve 10 of two-position five-way.
Pneumatic hydraulic pump configuration of the present utility model is as shown in Figure 2: the cylinder body of actuating cylinder 6 is connected with plunger cylinder 5, the piston rod 18 of actuating cylinder 6 enters plunger cylinder 5 inside through two sealing rings 17 of oppositely installing, it is also the plunger of plunger case, and in line check valve 3 and oil outlet one-way valve 4 have been installed on plunger cylinder 5.
The utility model is applied to the specific occasion (action frequency is few, and impulse stroke and working time are short, needs very large coupling mechanism force) that full air pressure drives discharge door of banbury mixer locking, compares with the electric hydraulic station of current use, has very large advantage.Due to moving parts seldom, under the low speed operation, mechanical wear is minimum.Structure is very simple, and low cost of manufacture, and service life is very long reaches automatically out of service after setting pressure, needs supercharging automatically to resume work, consumed energy not completely when out of service.
The utility model is not limited to the aforesaid specific embodiment.The utility model expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (6)
1. the apparatus for pressurizing gas, liquid of discharge door of banbury mixer, is characterized in that: it comprises air-driven hydraulic pump, and being connected on the in-line in hydraulic oil container (1) of described air-driven hydraulic pump, is provided with in line check valve (3) and filter oil device (2); On the fuel-displaced pipeline of described air-driven hydraulic pump, oil outlet one-way valve (4), accumulator (8), Pressure gauge (9), electromagnetic switch hydraulic valve (14) oil cylinder to Dump gate retaining mechanism of connecting successively, the liquid back pipe road connecting on the oil cylinder of described Dump gate retaining mechanism, is connected in hydraulic oil container (1) through electromagnetic switch hydraulic valve (14).
2. the apparatus for pressurizing gas, liquid of discharge door of banbury mixer as claimed in claim 1, it is characterized in that: described air-driven hydraulic pump comprises actuating cylinder (6) and plunger cylinder (5), the piston rod (18) of described actuating cylinder (6), enters the inner plunger that forms of plunger cylinder (5) through two sealing rings (17) of oppositely installing on plunger cylinder (5) port; Described in line check valve (3) and oil outlet one-way valve (4) are linked to respectively on the lower oil-in and lower oil-out of plunger cylinder (5); Described actuating cylinder is connected with air inlet pipeline and outlet pipe on (6), is connected respectively with electromagnetic switch air valve (10) the same side gas port, and opposite side is connected with air inlet pipe (12); Described outlet pipe is connected with silencer (13) by electromagnetic switch air valve (10).
3. the apparatus for pressurizing gas, liquid of discharge door of banbury mixer as claimed in claim 2, it is characterized in that: the pipeline connecting mode between described electromagnetic switch air valve (10) and actuating cylinder (6), adopt when solenoid directional control valve (10) power-off the descent of piston of described actuating cylinder (6).
4. the apparatus for pressurizing gas, liquid of discharge door of banbury mixer as claimed in claim 2, is characterized in that: the piston area in described actuating cylinder (6) and the ratio of plunger cylinder (5) inner plunger (actuating cylinder piston rod) area are that supercharging multiple is 10 times.
5. the apparatus for pressurizing gas, liquid of the discharge door of banbury mixer as described in one of claim 1 to 4, it is characterized in that: described Dump gate retaining mechanism comprises the Dump gate locking cylinder (15) that connects and be controlled by electromagnetic switch hydraulic valve (14) and the lock pin (16) of controlling Dump gate switching, and described lock pin (16) is connected on the piston rod of Dump gate locking cylinder (15).
6. the apparatus for pressurizing gas, liquid of the discharge door of banbury mixer as described in one of claim 1 to 4, it is characterized in that: on described fuel-displaced pipeline, be also provided with Pressure gauge (9), described Pressure gauge (9) is positioned between accumulator (8) and electromagnetic switch hydraulic valve (14), and described accumulator (8) is connected in hydraulic oil container (1) by relief valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710813.0U CN203566880U (en) | 2013-11-12 | 2013-11-12 | Gas-liquid supercharging device for unloading door of internal mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710813.0U CN203566880U (en) | 2013-11-12 | 2013-11-12 | Gas-liquid supercharging device for unloading door of internal mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203566880U true CN203566880U (en) | 2014-04-30 |
Family
ID=50534636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320710813.0U Expired - Fee Related CN203566880U (en) | 2013-11-12 | 2013-11-12 | Gas-liquid supercharging device for unloading door of internal mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203566880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586995A (en) * | 2013-11-12 | 2014-02-19 | 乐山市新联机械制造有限责任公司 | Gas-liquid pressurization device for discharge door of internal mixer |
| CN112815231A (en) * | 2019-11-17 | 2021-05-18 | 中石化石油工程技术服务有限公司 | Liquid-gas pressurization system |
-
2013
- 2013-11-12 CN CN201320710813.0U patent/CN203566880U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586995A (en) * | 2013-11-12 | 2014-02-19 | 乐山市新联机械制造有限责任公司 | Gas-liquid pressurization device for discharge door of internal mixer |
| CN112815231A (en) * | 2019-11-17 | 2021-05-18 | 中石化石油工程技术服务有限公司 | Liquid-gas pressurization system |
| CN112815231B (en) * | 2019-11-17 | 2022-04-29 | 中石化石油工程技术服务有限公司 | Liquid-gas pressurization system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103586995A (en) | Gas-liquid pressurization device for discharge door of internal mixer | |
| CN204704167U (en) | Double loop energy storage type hydraulic control slow closing valve hydraulic station | |
| CN106223391A (en) | A kind of excavator energy regenerating and utilize system | |
| CN1172086C (en) | Pneumatic plunger type grouting pump and slurry-dispensing machine and automatic slurry-dispensing grouting equipment | |
| CN203566880U (en) | Gas-liquid supercharging device for unloading door of internal mixer | |
| CN106113556B (en) | Scrap bundler | |
| CN106246623A (en) | A kind of activating feeder hydraulic gate constant pressure hydraulic control system | |
| CN209350920U (en) | Two-ply tyre vulcanizer pressurization oil cylinder hydraulic control system | |
| CN106122135B (en) | The hydraulic control system of scrap bundler | |
| CN208123414U (en) | Wind-power speed reducer self-oil feeder | |
| CN207432718U (en) | A kind of PVC injectors hydraulic control system | |
| CN202441663U (en) | Concrete pump hydraulic device capable of automatically switching high and low pressure and processing flow difference | |
| CN109501339A (en) | Two-ply tyre vulcanizer pressurization oil cylinder hydraulic control system | |
| CN206071980U (en) | Activating feeder hydraulic gate constant pressure hydraulic control system | |
| CN202228480U (en) | Concrete pumping device and pumping control system thereof | |
| CN104150419A (en) | Supercharged high viscosity filling machine | |
| CN207432632U (en) | A kind of EVA injectors hydraulic control system | |
| CN105221386B (en) | It is a kind of for conveying the low pressure recycle pumping system of coating | |
| CN202381281U (en) | Pump head structure of high-pressure pulsation compaction grouting pump | |
| CN209025804U (en) | Grouting pump | |
| CN102661237A (en) | Semiautomatic flow distribution type hydraulic free piston engine | |
| CN207989419U (en) | A kind of cartridge-type unit control system of hydraulic pumping unit | |
| CN206309676U (en) | The fast driving hydraulic system that baling press is cut somebody's hair | |
| CN208780288U (en) | A kind of methanol withdrawing device | |
| CN205743899U (en) | A kind of air drill and water flushing mechanism thereof |
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 |
Granted publication date: 20140430 Termination date: 20141112 |
|
| EXPY | Termination of patent right or utility model |