CN202483974U

CN202483974U - Hydraulic automatic reciprocating supercharger

Info

Publication number: CN202483974U
Application number: CN201220002283XU
Authority: CN
Inventors: 解始建
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-01-05
Filing date: 2012-01-05
Publication date: 2012-10-10
Anticipated expiration: 2022-01-05

Abstract

The utility model discloses a hydraulic automatic reciprocating supercharger, which comprises a cylinder 1 and a piston 2, wherein the piston 2 is contained in a piston cavity 11 of the cylinder 1; the upper and lower ends of the piston cavity 11 are provided with plunger holes 5 communicated with the piston cavity 11; the upper and lower sides of the piston 2 are connected with plungers 3; and two plungers 3 respectively penetrate through the plunger holes in the upper and lower ends of the piston cavity 11 of the cylinder 1 and enter the plunger holes 5 of hydraulic pumps 4 which are fixedly connected to two ends of the cylinder. The hydraulic oil in the large-area piston is utilized to drive high-pressure fluid in the small-area plungers, the highest output pressure is over 600Mpa, oil pumps with different displacements are selected according to different requirements, and the pressure is steplessly and accurately adjusted by driving pressure of the oil pump; the automatic reciprocating cylinder is automatically switched through control valves at two ends of the cylinder by using the operation of a two-station four-way reversing valve in an oil pump oilway, the operating reliability of the supercharger is guaranteed, and the hydraulic automatic reciprocating supercharger disclosed by the utility model has the characteristics of simple structure, low manufacturing cost, convenience in use and maintenance, low energy consumption, no heat spark, explosion prevention, environment friendliness and low noise.

Description

The automatic reciprocating pressurized machine of a kind of hydraulic pressure

Technical field

The utility model relates to a kind of pressurized machine, specifically is the automatic reciprocating pressurized machine of a kind of hydraulic pressure.

Background technique

When the high pressure water pressure that in commercial production, high-pressure service pump is come out is not enough; Usually need to increase device and further pressurize, the general pneumatic supercharging device of gas that adopts that is used at present pressurize, Pneumatic actuator needs air pump to come air feed; Pneumatic supercharging device promotes the work done of piston high speed through pressurized air; Piston is prone to produce high temperature at a high speed down, and piston is easy to wear at this moment influences the life-span, and work is that noise is huge; Pneumatic in addition increase device is higher to the precision requirement of product, and bringing a high price and needing to cooperate the air pump air feed of product all is to increase the cost input, and cost performance is not high in general.

Summary of the invention

The purpose of the utility model is to provide a kind of hydraulic pressure automatic reciprocating pressurized machine; Pressurized machine utilizes the high-pressure liquid of the hydraulic oil driving and generating small size plunger in the large size piston; High output pressure can reach more than the 600Mpa; Output quantity is selected the oil pump of different displacements for use according to demands of different, and pressure carries out stepless accurate adjusting by the driving pressure of oil pump; Automatic reciprocal cylinder through the oil cylinder two ends control valve use that two-position four way change valve work realizes that joint changes automatically in the oil pump oil circuit; Guarantee the reliability of pressurized machine work; The utlity model has simple in structure, manufacture cost is lower, convenient maintenance, the characteristics that energy consumption is little, the empty calory spark produces antiknock environmental protection low noise.

For realizing that above-mentioned purpose adopts following technological scheme:

The automatic reciprocating pressurized machine of a kind of hydraulic pressure; Comprise oil cylinder and piston; Piston is placed in the piston cavity of oil cylinder, it is characterized in that: the two ends up and down of piston cavity all have the plunger hole that communicates with piston cavity, also are connected with plunger in both sides up and down at described piston; Two plungers respectively from the oil cylinder piston chamber up and down the plunger hole at two ends pass; And enter in the plunger hole of the oil hydraulic pump that is connected in the oil cylinder two ends, the enterprising oil road of oil cylinder connects with oil pump through two-position four way change valve, and two-position four way change valve is provided with control oil channel; The controlling rod branch of control oil channel else is arranged on the two ends up and down in oil cylinder piston chamber, and liquid entering hole and liquid outlet on the described oil hydraulic pump are equipped with one-way valve.

Establish between described oil cylinder plunger hole and the hydraulic pump plunger hole and also be provided with sealing block; Have the through hole that communicates with plunger hole on the sealing block, sealing block is socketed on the plunger, and the side that sealing block and oil hydraulic pump are relative is provided with annular lug; The plunger hole port of oil hydraulic pump then offers the annular groove that matches with annular lug; In annular groove, be provided with main water seal, oil cylinder and oil hydraulic pump make the annular lug of sealing block push main water seal when being connected, and main water seal is fixed in the annular groove; All leave the gap between the junction plane of sealing block and oil hydraulic pump and oil cylinder and oil hydraulic pump simultaneously, in the sealing block through hole, also be provided with seal ring; Plunger hole inwall at described oil cylinder is respectively equipped with oil sealing and water seal by interior putting in place, between the water seal of oil cylinder and sealing block, also offers a discharge channel and communicates with the external world.

Controlling rod 15 comprise a control contact and with the one-way valve of control contact interlock, the connection control oil channel at the two ends of one-way valve.

The utility model adopts the mode of hydraulic pressure to drive; The simplest oil pump of employing that provides of hydraulic pressure drives, and realizes pumping of oil cylinder plug cock through two-position four way change valve, and two-position four way change valve switching-over control is controlled with oil circuit; Controlling rod then is arranged on the two ends up and down of oil cylinder; So only when oil cylinder piston ran to wherein an end, controlling rod just can trigger the selector valve switching-over, had guaranteed the reliability of work; Oil pump is sent to High Voltage hydraulic oil in the piston cavity; Change into the active force of plunger operation through piston; Thereby the large size and the plunger small size that utilize piston cavity amplify the purpose that pressure that the pressure of the output of oil pump promotes oil hydraulic pump reaches supercharging; The both sides of piston all are provided with plunger, and oil cylinder pumps all can work done, and the pressure that pressurized machine provides is more stable; Air pressurizing unit the utility model piston motion speed is slower relatively, and noise is extremely low during work, and energy loss is little, and acomia amount can not produce by spark, moves more reliable and more stable.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged diagram at the utility model Figure 1A place;

Fig. 3 is the oil circuit control structure diagrammatic sketch of the utility model oil cylinder.

Embodiment

Like Fig. 1, shown in 2; The automatic reciprocating pressurized machine of a kind of hydraulic pressure comprises oil cylinder 1 and piston 2, and piston 2 is placed in the piston cavity 11 of oil cylinder 1; The two ends up and down of piston cavity 11 all have the plunger hole 5 that communicates with piston cavity 11; Also be connected with plunger 3, two plungers 3 and pass from the plunger hole at oil cylinder 1 piston cavity two ends about in the of 11 respectively in both sides about in the of 2 at described piston, and enter in the plunger hole 5 of the oil hydraulic pump 4 that is connected in the oil cylinder two ends; Oil cylinder 1 enterprising oil road connects with oil pump 13 through two-position four way change valve 12; Two-position four way change valve is provided with control oil channel 14, and the controlling rod of control oil channel 14 else was arranged on the two ends up and down of oil cylinder 1 piston cavity 11 in 15 minutes, controlling rod 15 comprise a control contact and with the one-way valve of control contact interlock; The connection control oil channel at the two ends of one-way valve, liquid entering hole and liquid outlet on the described oil hydraulic pump 4 are equipped with one-way valve 41.

As shown in Figure 3; Establish between described oil cylinder 1 plunger hole 5 and oil hydraulic pump 4 plunger holes 5 and also be provided with sealing block 6; Have the through hole that communicates with plunger hole 5 on the sealing block 6, sealing block 6 is socketed on the plunger 3, and sealing block 6 is provided with annular lug 61 with oil hydraulic pump 4 relative sides; Plunger hole 5 ports of oil hydraulic pump 4 then offer the annular groove 51 that matches with annular lug 61; In annular groove 51, be provided with main water seal 7, oil cylinder 1 makes the annular lug 61 of sealing block 6 push main water seal 7 when being connected with oil hydraulic pump 4, and main water seal 7 is fixed in the annular groove 51; All leave gap 8 between the junction plane of sealing block 6 and oil hydraulic pump 4 and oil cylinder 1 and oil hydraulic pump 4 simultaneously, in sealing block 6 through holes, also be provided with seal ring 62; Be respectively equipped with oil sealing 16 and water seal 17 at plunger hole 5 inwalls of described oil cylinder 1 by interior putting in place, between the water seal 17 of oil cylinder 1 and sealing block 6, also offer a discharge channel 18 and communicate with the external world.

The maximum characteristics of the utility model are to adopt the oil pump hydraulic way to drive pressurized machine; Oil pump utilizes pressurized machine internal oil passages and piston rod pressure and propagation of pressure to realize the amplification of delivery pressure, and different mining as requested can realize the amplification of the pressure of varying number level with the oil cylinder of different size; The utility model utilizes the high-pressure liquid of the hydraulic oil driving and generating small size plunger in the large size piston; It is slow a lot of that the relative strength pressurized machine of plunger motion plunger frequency is wanted; And pressurized effect reaches equal or higher level, and piston and plunger motion speed can not make piston and plunger overheated slowly, protection piston and plunger; Increase the service life the noise when reducing work greatly simultaneously; Adopt the hydraulic jack dynamic medium to need not extraneous lubricating in addition; Power source and control mechanism are respectively the selector valves of common oil pump and two-position four-way; The controlling rod of the control oil channel of selector valve is provided with the upper and lower end of piston cavity; When piston operation when wherein an end touches the control contact of controlling rod, the control contact backs down one-way valve and makes the inner conducting of controlling rod, makes the two-position four way change valve switching-over change the direction of oil circuit after the control oil channel conducting; Thereby make piston to motion on the other hand, the low work of the selector valve rate of fault of mechanical structure is more reliable.

Another characteristics of the utility model are unique sealing configurations; This structure can be born the above hydraulic pressure of high pressure 600Mpa, in case because wearing and tearing, very high appearances of pressure will influence sealing effect, so the main water seal of the utility model is fixed under the extruding of oil cylinder and oil hydraulic pump through sealing block in the annular groove of oil hydraulic pump; And all leave the gap between the junction plane of sealing block and oil cylinder and oil hydraulic pump; Wearing and tearing appear in this gap in main water seal running after, only need this connecting bolt of fastening again oil cylinder and oil hydraulic pump, push main water seal through sealing block; Make it to reach original sealing effect again, thereby prolong the working life of main water seal.

The utility model overall structure is in the upper and lower end stationary hydraulic pump of oil cylinder, and at the fixing two-position four way change valve of sidepiece, structure is very simple, and the system valency is lower, and working stability has high cost performance.

Claims

1. automatic reciprocating pressurized machine of hydraulic pressure; Comprise oil cylinder (1) and piston (2); Piston (2) is placed in the piston cavity (11) of oil cylinder (1); It is characterized in that: the two ends up and down of piston cavity (11) all have the plunger hole (5) that communicates with piston cavity (11); Also be connected with plunger (3) in both sides up and down at described piston (2), two plungers (3) respectively from oil cylinder (1) piston cavity (11) up and down the plunger hole at two ends pass, and enter in the plunger hole (5) of the oil hydraulic pump (4) that is connected in the oil cylinder two ends; The enterprising oil road of oil cylinder (1) connects with oil pump (13) through two-position four way change valve (12); Two-position four way change valve is provided with control oil channel (14), and the controlling rod (15) of control oil channel (14) divides other two ends up and down that are arranged on oil cylinder (1) piston cavity (11), and liquid entering hole on the described oil hydraulic pump (4) and liquid outlet are equipped with one-way valve (41).

2. the automatic reciprocating pressurized machine of a kind of hydraulic pressure as claimed in claim 1; It is characterized in that: establish between described oil cylinder (1) plunger hole (5) and oil hydraulic pump (4) plunger hole (5) and also be provided with sealing block (6); Have the through hole that communicates with plunger hole (5) on the sealing block (6); Sealing block (6) is socketed on the plunger (3); Sealing block (6) is provided with annular lug (61) with the relative side of oil hydraulic pump (4); Plunger hole (5) port of oil hydraulic pump (4) then offers the annular groove (51) that matches with annular lug (61); In annular groove (51), be provided with main water seal (7), oil cylinder (1) makes the annular lug (61) of sealing block (6) push main water seal (7) with oil hydraulic pump (4) when being connected, and main water seal (7) is fixed in the annular groove (51); All leave gap (8) between the junction plane of sealing block (6) and oil hydraulic pump (4) and oil cylinder (1) and oil hydraulic pump (4) simultaneously, in sealing block (6) through hole, also be provided with seal ring (62); Plunger hole (5) inwall in described oil cylinder (1) is respectively equipped with oil sealing (16) and water seal (17) by interior putting in place, between the water seal (17) of oil cylinder (1) and sealing block (6), also offers a discharge channel (18) and communicates with the external world.

3. the automatic reciprocating pressurized machine of a kind of hydraulic pressure as claimed in claim 1 is characterized in that: said controlling rod (15) comprise a control contact and with the one-way valve of control contact interlock, the connection control oil channel (14) at the two ends of one-way valve.