CN216429590U - Along with survey and solve card ware and pressurize type oil supplementing supercharging device thereof - Google Patents
Along with survey and solve card ware and pressurize type oil supplementing supercharging device thereof Download PDFInfo
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- CN216429590U CN216429590U CN202123190145.7U CN202123190145U CN216429590U CN 216429590 U CN216429590 U CN 216429590U CN 202123190145 U CN202123190145 U CN 202123190145U CN 216429590 U CN216429590 U CN 216429590U
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Abstract
The utility model relates to the technical field of petroleum logging, in particular to a pressure-maintaining type oil-supplementing pressurizing device for a card along with logging, which comprises a shell and a pressure-maintaining valve, wherein the shell is also provided with a pressure-maintaining oil inlet and a pressure-maintaining oil inlet pipe, the output end of the pressure-maintaining oil inlet pipe is respectively connected with a first oil inlet pipe and a flow dividing pipe, and the first oil inlet pipe is communicated with the pressure-maintaining valve; the pressure retaining valve comprises a valve body, a piston and a valve core which is arranged in the valve body and positioned on the left side of the piston, and the outer diameter of the piston is larger than that of the valve core; an oil outlet is also arranged on the left side wall of the valve body; the left side of the valve body is communicated with an oil inlet of a pushing cylinder through a communicating pipe, and a pressure sensor is further arranged at the oil inlet of the pushing cylinder; the valve body is used for feeding oil to enable the piston to move leftwards so as to drive the valve core to move leftwards, so that the oil outlet is sealed; the utility model discloses timely supplementary increase pushes away by the cylinder internal pressure, has improved the stability of pushing away by, possesses simultaneously and pushes away the effect of pushing away by the pressurize in the cylinder, and the effectual pushing away of promotion stuck freeing ware is stable with the result of use.
Description
Technical Field
The utility model relates to an oil logging technical field, concretely relates to along with survey unfreezing ware and pressurize type oil supplementing supercharging device thereof.
Background
In the process of petroleum exploration and development, a double-layer steel wire armored logging cable used by a logging instrument is frequently adhered to a well wall due to the complex underground environment, such as factors of large well deviation, high mud proportion and the like. In the prior art, a card tester for card test at any time is disclosed in patent No. ZL202021071127. X; the tool is an effective auxiliary instrument for solving the problem of well wall adhesion; however, in the unfreezing process, the pushing force of the follow-up unfreezing device is unstable, in short, after the structure of the pushing cylinder is pushed and fixed, the pressure is stable, the pushing cylinder needs to be moved to work next, and the unfreezing device is designed to supply oil by a single pump, so that the moving cylinder tends to attenuate the oil supply pressure of the pushing cylinder after the oil is supplied to the moving cylinder, and in order to ensure that the pushing force of the pushing cylinder is always within a specified range while the follow-up unfreezing device and a logging cable move, and simultaneously, the stability of the friction force of a pushing block of a logging instrument and a well wall is met, the follow-up unfreezing device and the pressure-maintaining type oil-supplementing and pressurizing device thereof are needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a along with survey release card ware and pressurize type oil supplementing supercharging device thereof to solve the unstable technical problem of thrust force along with surveying the release card ware that the aforesaid exists.
The utility model discloses a along with survey and release card ware and pressurize type oil supplementing supercharging device adopts following technical scheme:
a pressure maintaining type oil supplementing and pressurizing device for a card reader is characterized by comprising a shell and a pressure maintaining valve arranged in the shell, wherein a pressure maintaining oil inlet and a pressure maintaining oil inlet pipe connected with the pressure maintaining oil inlet are also arranged on the shell, the output end of the pressure maintaining oil inlet pipe is respectively connected with a first oil inlet pipe and a flow dividing pipe, and the first oil inlet pipe is communicated with the pressure maintaining valve; the pressure retaining valve comprises a valve body, a piston which is arranged in the valve body and can slide, and a valve core which is arranged in the valve body and is positioned on the left side of the piston, wherein the outer diameter of the piston is larger than that of the valve core; an oil outlet is also arranged on the left side wall of the valve body; the left side of the valve body is communicated with an oil inlet of a pushing cylinder arranged on the left side of the shell through a communicating pipe, and a pressure sensor is further arranged at the oil inlet of the pushing cylinder; in an initial state, the valve core and the oil outlet are not sealed; the valve body is used for feeding oil to enable the piston to move leftwards so as to drive the valve core to move leftwards, so that the oil outlet is sealed;
the right end of the flow dividing pipe is connected with the pressure maintaining oil inlet pipe, and the left end of the flow dividing pipe is communicated with a first flow dividing pipe with a one-way transmission function; the first adapter is arranged on the shell and is communicated with the communicating pipe through a pipeline;
the shell is also provided with a pressurizing oil inlet and a pressurizing valve connected with the pressurizing oil inlet, and the pressurizing valve comprises a pressurizing cylinder, a pressurizing cylinder piston, a small end cover and a large end cover; the piston of the pressure cylinder is of a structure with a large end and a small end, and in an initial state, the pressure oil inlet is positioned on one side of the small end of the piston of the pressure cylinder; the piston of the pressure cylinder is driven to move rightwards by the oil inlet of the pressure oil inlet; the small end cover is arranged on the left side of the shell and internally provided with a first one-way valve; the large end cover is arranged on the right side of the shell and is internally provided with an oil delivery port; wherein the booster oil inlet and the oil delivery port are alternately used;
a second adapter pipe with a one-way transmission function is connected to the outer side of the pressure cylinder and the small end of the pressure cylinder through a pipeline, and the second adapter pipe is arranged on the shell and positioned on one side of the first adapter pipe; and the second adapter tube can transmit to the first adapter tube through a pipeline, and the transmission direction of the second adapter tube is the same as that of the first adapter tube.
Preferably, the pressure maintaining oil inlet on the shell is also connected with a pressure maintaining oil path, and a pushing electromagnetic valve is arranged in the pressure maintaining oil path; the pressurizing oil inlet on the shell is also connected with a pressurizing oil path, and a pressurizing electromagnetic valve is arranged in the pressurizing oil path; and the input ends of the pressure maintaining oil path and the pressure increasing oil path are connected with an external oil supply pump.
Preferably, in an initial state, a cavity is formed between the right side of the pressure maintaining valve and the piston, the output end of the first oil inlet pipe is communicated with the cavity, and when the pushing electromagnetic valve is in a pushing state, oil entering of the pressure maintaining oil inlet is realized to drive the piston to move leftwards.
Further preferably, in the initial state, a cavity is also formed between the right side of the piston of the pressure cylinder and the large end cover; when the pressure boost electromagnetic valve is in an open state, oil is fed into the pressure boost oil inlet to realize that the piston of the pressure boost cylinder moves rightwards, so that negative pressure is formed on one side of the small end of the piston of the pressure boost cylinder, and the second one-way valve is opened to feed oil.
Preferably, the lower end of the oil outlet is also connected with an oil drainage pipe, and a safety valve is further arranged at the oil discharge pipe.
Preferably, a second one-way valve is further arranged in the first adapter pipe to keep the direction of the oil liquid as the direction of the diversion pipe to be transmitted to the direction of the communicating pipe; the connecting pipeline of the first adapter pipe and the second adapter pipe is positioned at the output end of the second one-way valve; the second adapter tube has the same structure as the first adapter tube; and the second one-way valve is opposite to the first one-way valve in transmission direction.
Further preferably, plugs are mounted at the left ends of the first adapter tube and the second adapter tube and at the right end of the valve body.
Preferably, the first adapter tube is positioned right above the second adapter tube, and the first adapter tube is connected with the communicating tube through a flow tube with an L-shaped structure; the second adapter tube is connected with the pressure cylinder through an oil supplementing tube.
Preferably, an auxiliary oil inlet is further arranged on the housing and corresponding to the communicating pipe, the lower end of the auxiliary oil inlet is communicated with the communicating pipe through a pipeline, and the upper end of the auxiliary oil inlet is connected with an external oil supply pump.
The on-line test card releasing device comprises an oil supplementing and pressurizing device, wherein the oil supplementing and pressurizing device is any one of the oil supplementing and pressurizing devices.
The utility model has the advantages that: the device is provided with a pressure retaining valve structure, when pressurization is completed, pressure can be retained by pushing against the pressure in the cylinder, and the pressure retaining principle is that the pressure in the pushing against cylinder is consistent with the pressure retaining valve and the auxiliary oil inlet through a communicating pipe; the pressure retaining valve drives the valve core to leftwards complete the sealing of the oil outlet after oil enters from the pressure retaining oil inlet, so that a blocking state is formed; at the moment, the sectional area of the outer diameter of the piston in the pressure retaining valve is larger than the sectional area of the outer diameter sealing part of the valve core, the pressure at the position of the piston is larger than the pressure on the left side of the valve core under the same oil pressure of the oil way, the sealing part of the valve core and the oil outlet is still not opened, the effect of retaining the pressure in the pushing cylinder is achieved, and the pressure retaining effect is improved; through the arrangement of the booster valve, the booster solenoid valve is opened, the oil path enters from the booster oil inlet, at the moment, the oil delivery port does not work, the piston of the booster cylinder is driven to move right, a negative pressure state of one side of the small diameter of the piston of the booster cylinder is formed, then, the first one-way valve of the small end cover acts, and external oil enters the booster cylinder from the first one-way valve; then the switching-over of pressure boost solenoid valve, the pressure boost oil inlet is out of work, and the oil delivery mouth is opened, and fluid gets into from the oil delivery mouth and drives the pressure cylinder piston and move the extrusion to the left, and the fluid in the pressure boost valve is supplemented to pushing away in the jar through first switching pipe and second switching pipe, realizes supplementing the pressure boost, has improved the device's practicality and high efficiency greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a top view of the overall structure of an oil-replenishing and pressure-boosting device in an embodiment of the instant measurement and release device of the present invention;
FIG. 2 is a sectional view taken along line A-A in FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;
fig. 5 is a perspective view of an oil-replenishing and pressure-boosting device in an embodiment of the card reader of the present invention;
fig. 6 is a front view of an oil feeding and pressurizing device in an embodiment of the card reader.
In the figure: 1-shell, 2-pressure retaining valve, 3-pressure retaining oil inlet, 4-pressure retaining oil inlet pipe, 5-first oil inlet pipe, 6-shunt pipe, 7-valve body, 8-piston, 9-valve core, 10-oil outlet, 11-communicating pipe, 12-pushing cylinder oil inlet, 13-pressure sensor, 14-first transfer pipe, 15-pressure boosting oil inlet, 16-pressure boosting valve, 17-pressure boosting cylinder, 18-pressure boosting cylinder piston, 19-small end cover, 20-large end cover, 21-first one-way valve, 22-oil delivery port, 23-second transfer pipe, 24-pressure retaining oil way, 25-pushing electromagnetic valve, 26-pressure boosting oil way, 27-pressure boosting electromagnetic valve, 28-oil drain pipe, 29-safety valve, 30-second one-way valve, 31-plug, 32-auxiliary oil inlet, 33-circulating pipe, 34-oil supplementing pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an embodiment of card ware is separated along with surveying, as shown in fig. 1 to fig. 6:
a pressure maintaining type oil supplementing and pressurizing device for a card reader comprises a shell 1 and a pressure maintaining valve 2 arranged in the shell 1, wherein a pressure maintaining oil inlet 3 and a pressure maintaining oil inlet pipe 4 connected with the pressure maintaining oil inlet 3 are also arranged on the shell 1, the output end of the pressure maintaining oil inlet pipe 4 is respectively connected with a first oil inlet pipe 5 and a flow dividing pipe 6, the first oil inlet pipe 5 is communicated with the pressure maintaining valve 2, the flow dividing pipe is connected with a first flow dividing pipe arranged above the first flow dividing pipe, and the first oil inlet is connected with the pressure maintaining valve arranged below the first flow dividing pipe; the pressure retaining valve 2 comprises a valve body 7, a piston 8 which is arranged in the valve body 7 and can slide, and a valve core 9 which is arranged in the valve body 7 and is positioned on the left side of the piston 8, wherein the outer diameter of the piston 8 is larger than that of the valve core 9; an oil outlet 10 is also arranged on the left side wall of the valve body 7; the left side of the valve body 7 is communicated with a pushing cylinder oil inlet 12 arranged on the left side of the shell 1 through a communicating pipe 11, and a pressure sensor 13 is further arranged at the pushing cylinder oil inlet 12; in an initial state, the valve core 9 and the oil outlet 10 are not sealed; the valve body 7 is used for feeding oil to enable the piston 8 to move leftwards to drive the valve core 9 to move leftwards to realize sealing of the oil outlet 10, the lower end of the oil outlet 10 is also connected with oil drainage pipes 28, the oil outlets 10 are distributed annularly, an oil way sleeve is arranged on the outer side of each oil outlet and is communicated with an oil discharge pipe, and after work of oil way supplementary pressurization and pressure maintaining is finished, residual oil is discharged; a safety valve 29 is arranged at the oil discharge pipe, so that the oil pressure of an oil way can not exceed 10 MPa; because the pressure maintaining valve 2 makes the piston 8 drive the valve core 9 to finish the sealing of the oil outlet 10 leftwards after the oil enters from the pressure maintaining oil inlet 3, the plugging is formed, and then the pressure maintaining state is formed.
The right end of the shunt pipe 6 is connected with the pressure maintaining oil inlet pipe 4, and the left end is communicated with a first shunt pipe 14 with a one-way transmission function; the first adapter tube 14 is arranged on the shell 1, and the first adapter tube 14 is also communicated with the communicating tube 11 through a pipeline; a booster oil inlet 15 and a booster valve 16 connected with the booster oil inlet 15 are also arranged on the shell 1, and the booster valve 16 comprises a booster cylinder 17, a booster cylinder piston 18, a small end cover 19 and a large end cover 20; the pressure cylinder piston 18 is of a structure with a large end and a small end, and the pressure oil inlet 15 is positioned on one side of the small end of the pressure cylinder piston 18; the oil in the booster oil inlet 15 drives the piston 18 of the booster cylinder to move rightwards; the small end cover 19 is arranged at the left side of the shell 1 and internally provided with a first one-way valve 21; the big end cover 20 is arranged on the right side of the shell 1 and is internally provided with an oil conveying port 22; wherein the booster oil inlet 15 and the oil delivery port 22 are alternately used; the booster electromagnetic valve 27 is opened, the oil way enters from the booster oil inlet 15, at the moment, the oil delivery port 22 does not work, the booster cylinder piston 18 is driven to move right, a negative pressure state of the small-diameter side of the booster cylinder piston 18 is formed, then the first one-way valve 21 of the small end cover 19 acts, and external oil enters into the booster cylinder 17 from the first one-way valve 21; then the booster electromagnetic valve 27 is reversed, the booster oil inlet 15 does not work, the oil delivery port 22 is opened, oil enters from the oil delivery port 22 to drive the booster cylinder piston 18 to move left for extrusion, and the oil in the booster valve 16 is supplemented to the pushing cylinder through the first adapter pipe 14 and the second adapter pipe 23, so that supplementary boosting is realized.
A second adapter pipe 23 with a one-way transmission function is connected to the outer side of the pressure cylinder 17 and the small end of the pressure cylinder 17 through a pipeline, and the second adapter pipe 23 is arranged on the shell 1 and is positioned on one side of the first adapter pipe 14; and the second adapter tube 23 can be transmitted to the first adapter tube 14 through a pipeline, and the transmission direction of the second adapter tube 23 is the same as that of the first adapter tube 14.
In the embodiment, the pressure maintaining oil inlet 3 on the shell 1 is also connected with a pressure maintaining oil path 24, and a pushing electromagnetic valve 25 is arranged in the pressure maintaining oil path 24; the pressurizing oil inlet 15 on the shell 1 is also connected with a pressurizing oil path 26, and a pressurizing electromagnetic valve 27 is arranged in the pressurizing oil path 26; the input ends of the pressure maintaining oil path 24 and the pressure boosting oil path 26 are both connected with an external oil supply pump, a cavity is formed between the right side of the pressure maintaining valve 2 and the piston 8 in an initial state, the output end of the first oil inlet pipe 5 is communicated with the cavity, when the pushing electromagnetic valve 25 is in a pushing state, oil entering of the pressure maintaining oil inlet 3 is realized to drive the piston 8 to move leftwards, and in the initial state, a cavity is also formed between the right side of the piston 18 of the pressure boosting cylinder and the large end cover 20; when the booster electromagnetic valve 27 is in an open state, oil enters the booster oil inlet 15, so that the booster cylinder piston 18 moves rightwards, negative pressure is formed on one side of the small end of the booster cylinder piston 18, and the second one-way valve 30 is opened to enter oil.
In this embodiment, a second check valve 30 is further disposed in the first adapter tube 14 to keep the direction of the oil liquid as the direction of the shunt tube 6 to be transmitted to the connection tube 11; and the connecting pipeline of the first adapter tube 14 and the second adapter tube 23 is positioned at the output end of the second one-way valve 30; the second adapter tube 23 has the same structure as the first adapter tube 14; the transmission direction of the second one-way valve 30 is opposite to that of the first one-way valve 21, plugs 31 are respectively arranged at the left ends of the first adapter pipe 14 and the second adapter pipe 23 and at the right end of the valve body 7, the first adapter pipe 14 is positioned right above the second adapter pipe 23, the first adapter pipe 14 is connected with the communicating pipe 11 through a flow pipe 33 with an L-shaped structure, and the second adapter pipe 23 is connected with the pressure cylinder 17 through an oil supplementing pipe 34; an auxiliary oil inlet 32 is further arranged on the housing 1 and corresponding to the communication pipe 11, and the lower portion of the auxiliary oil inlet 32 is communicated with the communication pipe 11 through a pipeline.
The working process is as follows:
when the pushing solenoid valve 25 is in a pushing state, pump oil enters the pressure maintaining oil inlet pipe 4 from the pressure maintaining oil way 24 through the pressure maintaining oil inlet 3; then, the output end of the pressure maintaining oil inlet pipe 4 is divided into two oil ways: one path of the hydraulic oil enters the pressure retaining valve 2 through the first oil inlet pipe 5, the hydraulic oil enters a cavity in the valve body 7, then the piston 8 is extruded to move leftwards, the piston 8 props against the valve core 9 to move synchronously, and then the valve core 9 and the oil outlet 10 are plugged to form a sealing structure; this oil path is not going down; meanwhile, the other oil path enters the shunt pipe 6 through the hydraulic oil of the pressure maintaining oil inlet pipe 4, then enters the first adapter pipe 14 through the second one-way valve 30, then flows to the communicating pipe 11, and is supplemented to the pushing cylinder through the pushing cylinder oil inlet 12 to supplement pressure, and the pressure maintaining effect is achieved.
After the pressure of the pushing cylinder is attenuated, or when the friction force between the pushing cylinder and a well wall is insufficient, a pressure sensor 13 is installed at the oil inlet 12 of the pushing cylinder, and real-time pressure is monitored through the pressure sensor 13 and is transmitted back to a logging instrument for displaying; when the booster electromagnetic valve 27 is opened, hydraulic oil in the booster oil path 26 enters through the booster oil inlet 15, at the moment, the oil delivery port 22 does not work, the hydraulic oil enters into the booster cylinder 17 and then extrudes to drive the booster cylinder piston 18 to move towards the cavity on the right side, and because the right end of the booster cylinder piston 188 is large and the left end of the booster cylinder piston 188 is small, a negative pressure state is formed on the small-diameter side of the booster cylinder piston 18, namely the left side of the booster cylinder piston 18; then, the external oil enters the pressure cylinder 17 from the first one-way valve 21 under the action of the first one-way valve 21 of the small end cover 19; then the pressure boost electromagnetic valve 27 in the pressure boost oil path 26 is reversed, the pressure boost oil inlet 15 does not work, the oil delivery port 22 at the large end cover 20 is opened, the oil enters and extrudes the pressure boost cylinder piston 18 from the oil delivery port 22 to move left to extrude the oil in the pressure boost cylinder 17, the oil enters the second adapter tube 23 through the second one-way valve 30 through the pipeline, and the connecting pipeline of the first adapter tube 14 and the second adapter tube 23 is at the output end of the second one-way valve 30, so the oil entering the second adapter tube 23 from the pressure boost cylinder 17 enters the first adapter tube 14 through the transmitting pipeline between the first adapter tube 14 and the second adapter tube 23, at this time, due to the effect of the second one-way valve 30, the hydraulic oil can only be supplemented into the pushing cylinder through the communicating pipe 11, and the supplementary pressure boost is realized.
After the pressurization of the pressurization cylinder 17 is completed, the normal work of the logging instrument can be completed only by maintaining the pressure; the pressure of the pushing cylinder is maintained through a pressure maintaining valve 2, the pressure maintaining principle is that the pressure of the pushing cylinder is consistent with the oil pressure of an oil inlet 12 and an auxiliary oil inlet 32 of the pushing cylinder, the auxiliary oil inlet 32 can also transmit oil to the pushing cylinder, and according to the Pascal law, P1 is P2, namely F1/S1 is F2/S2; the oil pressure of the oil way does not exceed 10MPa, so that under the same oil pressure of the oil way, the sectional area of the piston 8 in the pressure retaining valve 2 is larger than that of the valve core 9, and the pressure at the position of the piston 8 in the pressure retaining valve 2 is larger than that of the valve core 9, so that the valve core 9 and the oil outlet 10 are still not opened in a sealing state, and the function of keeping the pressure in the pushing cylinder is achieved.
The utility model discloses an along with survey the embodiment of the pressure retaining type oil supplementing supercharging device for the stuck utensil, oil supplementing supercharging device is the same with foretell oil supplementing supercharging device structure along with in the embodiment of surveying the stuck utensil, is not being repeated.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a along with survey that pressure retaining type benefit oil supercharging device for stuck, its characterized in that: the oil supplementing and pressurizing device comprises a shell and a pressure retaining valve arranged in the shell, a pressure retaining oil inlet and a pressure retaining oil inlet pipe connected with the pressure retaining oil inlet are also arranged on the shell, the output end of the pressure retaining oil inlet pipe is respectively connected with a first oil inlet pipe and a flow dividing pipe, and the first oil inlet pipe is communicated with the pressure retaining valve; the pressure retaining valve comprises a valve body, a piston which is arranged in the valve body and can slide, and a valve core which is arranged in the valve body and is positioned on the left side of the piston, wherein the outer diameter of the piston is larger than that of the valve core; an oil outlet is also arranged on the left side wall of the valve body; the left side of the valve body is communicated with an oil inlet of a pushing cylinder arranged on the left side of the shell through a communicating pipe, and a pressure sensor is further arranged at the oil inlet of the pushing cylinder; in an initial state, the valve core and the oil outlet are not sealed; the valve body is used for feeding oil to enable the piston to move leftwards so as to drive the valve core to move leftwards, so that the oil outlet is sealed;
the right end of the flow dividing pipe is connected with the pressure maintaining oil inlet pipe, and the left end of the flow dividing pipe is communicated with a first flow dividing pipe with a one-way transmission function; the first adapter is arranged on the shell and is communicated with the communicating pipe through a pipeline;
the shell is also provided with a pressurizing oil inlet and a pressurizing valve connected with the pressurizing oil inlet, and the pressurizing valve comprises a pressurizing cylinder, a pressurizing cylinder piston, a small end cover and a large end cover; the piston of the pressure cylinder is of a structure with a large end and a small end, and the pressure oil inlet is positioned on one side of the small end of the piston of the pressure cylinder; the piston of the pressure cylinder is driven to move rightwards by the oil inlet of the pressure oil inlet; the small end cover is arranged on the left side of the shell and internally provided with a first one-way valve; the large end cover is arranged on the right side of the shell and is internally provided with an oil delivery port; wherein the booster oil inlet and the oil delivery port are alternately used;
a second adapter pipe with a one-way transmission function is connected to the outer side of the pressure cylinder and the small end of the pressure cylinder through a pipeline, and the second adapter pipe is arranged on the shell and positioned on one side of the first adapter pipe; and the second adapter tube can transmit to the first adapter tube through a pipeline, and the transmission direction of the second adapter tube is the same as that of the first adapter tube.
2. The pressure-maintaining type oil-supplementing and pressurizing device for the disposable card tester as claimed in claim 1, wherein: the pressure maintaining oil inlet on the shell is also connected with a pressure maintaining oil way, and a pushing electromagnetic valve is arranged in the pressure maintaining oil way; the pressurizing oil inlet on the shell is also connected with a pressurizing oil path, and a pressurizing electromagnetic valve is arranged in the pressurizing oil path; and the input ends of the pressure maintaining oil path and the pressure increasing oil path are connected with an external oil supply pump.
3. The pressure-maintaining type oil-supplementing and pressurizing device for the disposable card tester as claimed in claim 2, wherein: in an initial state, a cavity is formed between the right side of the pressure maintaining valve and the piston, the output end of the first oil inlet pipe is communicated with the cavity, and when the pushing electromagnetic valve is in a pushing state, oil feeding of the pressure maintaining oil inlet is realized to drive the piston to move leftwards.
4. The pressure-maintaining type oil-supplementing and pressurizing device for the disposable card tester as claimed in claim 2, wherein: in the initial state, a cavity is also formed between the right side of the piston of the pressure cylinder and the large end cover; when the pressure boost electromagnetic valve is in an open state, oil is fed into the pressure boost oil inlet to realize that the piston of the pressure boost cylinder moves rightwards, so that negative pressure is formed on one side of the small end of the piston of the pressure boost cylinder, and the second one-way valve is opened to feed oil.
5. The pressure-maintaining type oil-supplementing and pressurizing device for the disposable card tester as claimed in claim 1, wherein: the lower extreme of oil-out still is connected with the bleeder, and still is equipped with the relief valve in oil discharge pipe department.
6. The pressure-maintaining type oil-supplementing and pressurizing device for the disposable card tester as claimed in claim 1, wherein: a second one-way valve is further arranged in the first adapter pipe to keep the direction of the oil liquid to be transmitted to the direction of the communicating pipe by the flow dividing pipe; the connecting pipeline of the first adapter pipe and the second adapter pipe is positioned at the output end of the second one-way valve; the second adapter tube has the same structure as the first adapter tube; and the second one-way valve is opposite to the first one-way valve in transmission direction.
7. The pressure-maintaining type oil-supplementing and pressurizing device for the disposable card tester as claimed in claim 6, wherein: and the left ends of the first adapter pipe and the second adapter pipe and the right end of the valve body are respectively provided with a plug.
8. The pressure-maintaining type oil-supplementing and pressurizing device for the disposable card tester as claimed in claim 7, wherein: the first adapter tube is positioned right above the second adapter tube; the first adapter tube is connected with the communicating tube through a circulation tube with an L-shaped structure; the second adapter tube is connected with the pressure cylinder through an oil supplementing tube.
9. The pressure-maintaining type oil-supplementing and pressurizing device for the disposable card tester as claimed in claim 1, wherein: an auxiliary oil inlet is further formed in the shell and corresponds to the communicating pipe, and the lower portion of the auxiliary oil inlet is communicated with the communicating pipe through a pipeline.
10. The utility model provides a along with survey unfreezing ware, includes oil supplementing supercharging device, its characterized in that: the oil supply pressure boosting device is the oil supply pressure boosting device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123190145.7U CN216429590U (en) | 2021-12-18 | 2021-12-18 | Along with survey and solve card ware and pressurize type oil supplementing supercharging device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123190145.7U CN216429590U (en) | 2021-12-18 | 2021-12-18 | Along with survey and solve card ware and pressurize type oil supplementing supercharging device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216429590U true CN216429590U (en) | 2022-05-03 |
Family
ID=81317328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123190145.7U Active CN216429590U (en) | 2021-12-18 | 2021-12-18 | Along with survey and solve card ware and pressurize type oil supplementing supercharging device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216429590U (en) |
-
2021
- 2021-12-18 CN CN202123190145.7U patent/CN216429590U/en active Active
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