CN113155244B - One-way volume tube and use method thereof - Google Patents
One-way volume tube and use method thereof Download PDFInfo
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- CN113155244B CN113155244B CN202110522466.8A CN202110522466A CN113155244B CN 113155244 B CN113155244 B CN 113155244B CN 202110522466 A CN202110522466 A CN 202110522466A CN 113155244 B CN113155244 B CN 113155244B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
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Abstract
The invention relates to a one-way volume tube and a using method thereof, and the one-way volume tube comprises a launching cavity, wherein a replacement ball is arranged in the launching cavity, one end of the launching cavity is communicated with one end of a standard tube section, one end of the standard tube section, which is close to the launching cavity, is provided with an initial verification switch, the other end of the standard tube section is communicated with a separation cavity, one end of the standard tube section, which is close to the separation cavity, is provided with a termination verification switch, a conversion cavity is arranged below the separation cavity, a sealing conversion device is arranged between the conversion cavity and the separation cavity, the bottom of the conversion cavity is provided with a ball supporting oil cylinder, the output end of the ball supporting oil cylinder is connected with the sealing conversion device, the conversion cavity is communicated with the launching cavity through a conversion connection cavity, and an inserted rod oil cylinder is arranged on the conversion connection cavity. The space height requirement of the detected flowmeter for online verification by using the product is reduced. The invention has convenient adjustment and use and wide market prospect.
Description
Technical Field
The invention relates to the field of volume tubes, in particular to a one-way volume tube and a using method thereof.
Background
The volume tube is a standard device used for the online verification work of the flowmeter, the volume tube is connected in series with the downstream of the detected flowmeter, and the liquid flowing out of the detected flowmeter flows out through the volume tube, so that the verification or calibration of the detected flowmeter is realized.
The conventional volumetric pipe is very high in installation height, especially a one-way volumetric pipe. In the actual work, some of the detected flowmeters are not easy to detach for off-line verification, the detected flowmeters are usually verified in an on-line verification mode, the volume tubes are sometimes installed on the mobile equipment, the mobile equipment is moved to a preset verification working area in normal work, and the verification work is inconvenient, unsafe or unreliable when the moving process or the working area has limited high requirements.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a one-way volume pipe capable of reducing the installation height of the traditional one-way volume pipe and a using method thereof, which are used for overcoming the defects in the prior art.
The technical scheme adopted by the invention is as follows: the utility model provides an one-way volume pipe, includes the transmission chamber, the transmission intracavity be provided with the replacement ball, one of transmission chamber serve the intercommunication and have the one end of standard pipeline section, the standard pipeline section closes on one of transmission chamber and serves and be provided with originated verification switch, the intercommunication has the separation chamber on the other end of standard pipeline section, the standard pipeline section closes on one of separation chamber and serves and be provided with termination verification switch, the separation chamber below is provided with the conversion chamber, be provided with sealed conversion equipment between conversion chamber and the separation chamber, the bottom in conversion chamber is provided with the ball support hydro-cylinder, the output of ball support hydro-cylinder with sealed conversion equipment be connected, be linked together through the conversion connection chamber between conversion chamber and the transmission chamber, be provided with the inserted bar hydro-cylinder on the conversion connection chamber.
Preferably, the sealing conversion device comprises a sealing seat, the sealing seat comprises a guide part and a sealing part, the guide part is located above the sealing part, the guide part adopts an inverted truncated cone-shaped tubular structure, the sealing part adopts a truncated cone-shaped tubular structure, a ball supporting block is arranged in the sealing part, and a ball supporting block sealing ring is arranged on the ball supporting block.
Preferably, a slide way is arranged in the launching cavity below the conversion connecting cavity, and the slide way and the central axis of the launching cavity form 10-20 degrees.
Preferably, the ball supporting block is provided with an oil cylinder fixing pipe, the oil cylinder fixing pipe is installed at the output end of the ball supporting oil cylinder, oil cylinder fixing bolts are arranged at the output ends of the oil cylinder fixing pipe and the ball supporting oil cylinder, the oil cylinder fixing bolts are distributed in a star shape on the outer side of the central axis of the output end of the oil cylinder fixing bolt, and the number of the oil cylinder fixing bolts is a plurality.
Preferably, the sealing part is provided with a leakage detection valve, a leakage detection groove is arranged on a ball supporting block sealing ring on the inner side of the leakage detection valve, and the leakage detection groove is communicated with the leakage detection valve.
Preferably, a pressing ring is arranged above the ball supporting block sealing ring and the ball supporting block, and the pressing ring and the ball supporting block are fixed through a pressing ring fixing bolt.
Preferably, conversion chamber and separation chamber on all be provided with seal receptacle mounting flange, seal receptacle mounting flange's quantity adopts two, the seal receptacle mounting flange inboard that the guide part suit is connected at the separation chamber, the sealing position between two seal receptacle mounting flanges, two seal receptacle mounting flanges with the sealing position between all be provided with the seal receptacle sealing washer, two seal receptacle mounting flanges pass through seal receptacle fixing bolt and fix.
Preferably, the ball supporting block on seted up the ball supporting block spread groove, the fixed pipe of hydro-cylinder is installed in ball supporting block spread groove, is provided with the strengthening rib between the lateral wall of ball supporting block spread groove and the outer wall of the fixed pipe of hydro-cylinder, the quantity of strengthening rib adopts a plurality of, a plurality of strengthening rib is the outside of star distribution at the axis of the fixed pipe of hydro-cylinder.
A method of using a unidirectional volume tube as described above, comprising: the method comprises the following steps:
step 1, the replacement ball enters a standard pipe section, when the replacement ball triggers an initial verification switch, the counter starts to accumulate pulses output by the flowmeter, and when the replacement ball triggers a termination verification switch, the counter stops accumulating pulses output by the flowmeter.
And 2, stopping the replacement ball on the ball supporting block by the ball stopping rod, driving the ball supporting oil cylinder, withdrawing a cylinder rod of the ball supporting oil cylinder into the cylinder body, driving the ball supporting block to move downwards to a preset position by the cylinder rod of the ball supporting oil cylinder, enabling the replacement ball to enter the conversion cavity along with the falling of the ball supporting block, and then enabling the replacement ball to enter the conversion connection cavity to be supported by a cylinder rod of the inserted rod oil cylinder.
And 3, driving the ball supporting oil cylinder, driving the inserted rod oil cylinder after a cylinder rod of the ball supporting oil cylinder extends out to close the ball supporting block and the sealing seat, retracting a cylinder rod of the inserted rod oil cylinder into a cylinder body of the inserted rod oil cylinder, enabling the replacement ball to enter the launching cavity, and then executing the step 1.
The invention has the beneficial effects that: firstly, the invention reduces the height requirement of the unidirectional volume pipe on the installation space, improves the application range of the product and is convenient for large-scale popularization and application.
The replacing ball of the invention stays above the ball supporting block after being guided by the guide part of the sealing conversion device, and after the ball supporting block in the sealing conversion device is driven by the ball supporting oil cylinder, the replacing ball above the guide part passes through the sealing seat under the driving of the ball supporting oil cylinder. And simplifies the structure of the prior art counter flow plate and the spring for limiting the motion state of the counter flow plate. The number of parts easy to wear is reduced, and the efficiency of installation and maintenance is improved.
Finally, the pressing rings are arranged above the ball supporting block sealing ring and the ball supporting block, the number of the pressing rings arranged in the product is one, the pressing rings and the ball supporting block are fixed through pressing ring fixing bolts, the ball supporting block sealing ring is convenient to detach and replace through detaching and fixing the pressing ring fixing bolts, and the pressing rings are of circular truncated cone-shaped annular structures. The annular structure is adopted by the compression ring, so that the overall weight of the ball supporting block is reduced, and the load of the ball supporting oil cylinder is reduced. The service life of the ball supporting oil cylinder is prolonged.
The invention has the advantages of simple structure, convenient operation, ingenious design, greatly improved working efficiency, good social and economic benefits and easy popularization and use.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic cross-sectional view of the components of the present invention.
Fig. 3 is a schematic structural diagram of the seal seat of the present invention.
FIG. 4 is a schematic diagram of the structure of the separation chamber of the present invention.
FIG. 5 is a schematic view of the structure of the separation chamber of the present invention.
Fig. 6 is a schematic structural view of the launch chamber of the present invention.
Fig. 7 is a perspective view of a prior art single direction volume tube.
Figure 8 is a cross-sectional structural schematic of a prior art single volume tube member.
Fig. 9 is a schematic structural view of a prior art unidirectional volume tube member.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, and 6, a one-way volume tube comprises a launching cavity 1, one end of the launching cavity 1 is communicated with one end of a standard tube section 2, one end of the standard tube section 2 close to the launching cavity 1 is provided with an initial verification switch 3, the other end of the standard tube section 2 is communicated with a separation cavity 4, one end of the standard tube section 2 close to the separation cavity 4 is provided with a termination verification switch 5, a conversion cavity 6 is arranged below the separation cavity 4, a sealing conversion device is arranged between the conversion cavity 6 and the separation cavity 4, the bottom of the conversion cavity 6 is provided with a ball supporting cylinder 7, the output end of the ball supporting cylinder 7 is connected with the sealing conversion device, the conversion cavity 6 is communicated with the launching cavity 1 through a conversion connection cavity 8, and the conversion connection cavity 8 is provided with an inserted rod cylinder 9.
In order to make the replacement ball smoothly enter the standard pipe section, a slide way 13 is arranged in the launching cavity 1 below the conversion connecting cavity 8, the slide way 13 and the central axis of the launching cavity 1 form 10-20 degrees, and the bottom end of the slide way 13 is fixedly connected with the bottom end of the inner wall of the launching cavity 1. The number of the slideways 13 is at least two. Be provided with the direction clearance between two adjacent slides 13, direction clearance and slide 13 parallel, launch the cavity of chamber 1 between intercommunication examined flowmeter and standard pipeline section 2 and adopt the columnar cavity of non-uniform diameter usually among the prior art, through setting up two piece at least slides 13 and setting up at two adjacent slides 13 the direction clearance for replace ball 25 can utilize before getting into standard pipeline section 2 the direction clearance lead, make replace ball 25 can smoothly, steadily get into standard pipeline section, and can not receive the influence of the turbulent phenomenon of the interior fluid of launch chamber tee bend cavity.
The sealing conversion device comprises a sealing seat 10, the sealing seat 10 comprises a guide part and a sealing part, the guide part is located above the sealing part, the guide part adopts an inverted truncated cone-shaped tubular structure, the sealing part adopts a truncated cone-shaped tubular structure, a ball supporting block 11 is arranged in the sealing part, and a ball supporting block sealing ring 12 is arranged on the ball supporting block 11. The sealing part is provided with a leak detection valve 16, a leak detection groove 17 is arranged on the ball supporting block sealing ring 12 on the inner side of the leak detection valve 16, the leak detection groove 17 is of a circular groove-shaped structure, and the leak detection groove 17 is communicated with the leak detection valve 16.
The number of the ball supporting block sealing rings 12 is one, and compared with the method shown in FIG. 8, the number of the sealing rings in the prior art is reduced by one, so that the number of parts is reduced; because the ball supporting oil cylinder 7 for driving the ball supporting block 11 of the product is positioned below the ball supporting block 11, when the ball supporting block 11 is closed, the replacement ball 25 finishes a standard verification stroke and then stays above the ball supporting block 11 after being guided by the guide part of the product, after the ball supporting block 11 in the sealing conversion device is driven by the ball supporting oil cylinder 7, the replacement ball 25 above the guide part drives the ball supporting block 11 to pass through the sealing seat 10 under the driving of the ball supporting oil cylinder.
Compared with the prior art, as shown in fig. 7 and 8, the ball pusher in the prior art is driven by the ball pushing cylinder above the ball pusher to move upwards, in order to inhibit the backflow phenomenon of the fluid below the sealing seat in the prior art, 4 backflow plates are arranged below the sealing seat in order to prevent the backflow, as shown in fig. 9, in the open state of the ball pusher above the sealing seat, the 4 backflow plates combine to form a "sealing plate" to prevent the backflow below the sealing seat under the action of the springs arranged on the backflow plates and the fluid below the sealing seat under the action of the springs; when the ball pusher is closed on the seal seat, the 4 flow return plates are all deflected downward due to the squeezing of the ball pusher block disposed below the ball pusher.
As shown in fig. 7 and 8, because the displacement ball of the prior art is located in the upper chamber of the prior art seat after one stroke, the oil below the prior art seat enters the upper chamber of the prior art seat as a result of this back flow, which is not beneficial to the process of displacing the ball past the seat; and the ball tray piece of this product has blockked palirrhea just right, and the ball tray piece is facing palirrhea downstream, this has just in time blocked palirrhea to the impact of trading the ball and be favorable to replacement ball 25 pass through seal receptacle 10, consequently this product seal receptacle 10 has left out among the prior art push away the ball piece, a series of complicated subassemblies such as regurgitation board and the spring that is used for the refluence board to reset, the required mounting height of volume pipe has not only been reduced, simultaneously corresponding among the prior art refluence board that has reduced, a series of subassemblies such as spring, the equipment structure has been simplified, the production and the loaded down with trivial details problem of maintenance process that bring because the structure is complicated have been reduced simultaneously.
The separation chamber 4 is of a three-way structure, the first end of the separation chamber 4 is connected with the standard pipe section 2, the sealing conversion device is installed at the second end of the separation chamber 4, the first end of the separation chamber 4 and the third end of the separation chamber 4 are located on the same axis, the third end of the separation chamber 4 is internally provided with a plurality of ball blocking rods 26, and oil passing gaps are formed among the ball blocking rods 26. The launching cavity 1 adopts a three-way structure, the standard pipe section 2 is connected with the first end of the launching cavity 1, the first end of the launching cavity 1 and the third end of the launching cavity 1 are located on the same axis, the third end of the launching cavity 1 is located below the second end of the launching cavity 1, and the conversion connecting cavity 8 is installed on the second end of the launching cavity 1.
Conversion chamber 6 adopt three-way structure or four-way structure, the first end in conversion chamber 6 and the second end in conversion chamber 6 are located same axis, the third end in conversion chamber 6 is located between the first end in conversion chamber 6 and the second end in conversion chamber 6, the second end in conversion chamber 6 is located the top of the third end in conversion chamber 6, the cylinder body of ball support hydro-cylinder 7 is installed on the first end in conversion chamber 6, conversion connection chamber 8 is installed on the third end in conversion chamber 6, conversion chamber 6 is provided with quick-open blind plate 27 in the one side of keeping away from the third end in conversion chamber 6. Separation chamber 4 install and serve at the second of conversion chamber 6, the top of holding in the palm ball piece sealing washer 12 and holding in the palm ball piece 11 be provided with clamping ring 18, this product sets up the quantity of clamping ring 18 and adopts one, clamping ring 18 and holding in the palm ball piece 11 are fixed through clamping ring fixing bolt 19, through dismantling and fixing clamping ring fixing bolt 19 be convenient for hold in the palm the dismantlement change of ball piece sealing washer 12, clamping ring 18 adopts round platform shape annular structure. The compression ring 18 adopts an annular structure, so that the overall weight of the ball supporting block 11 is reduced, and the load of the ball supporting oil cylinder 7 is reduced.
The ball supporting block 11 on be provided with hydro-cylinder fixing pipe 14, hydro-cylinder fixing pipe 14 is installed on the output of ball supporting hydro-cylinder 7, is provided with hydro-cylinder fixing bolt 15 on the output of hydro-cylinder fixing pipe 14 and ball supporting hydro-cylinder 7, hydro-cylinder fixing bolt 15 and hydro-cylinder fixing bolt 15's output threaded connection, hydro-cylinder fixing bolt 15's quantity adopts a plurality of, a plurality of hydro-cylinder fixing bolt 15 is the outside of star distribution at hydro-cylinder fixing bolt 15's output axis.
Conversion chamber 6 and separation chamber 4 on all be provided with seal receptacle mounting flange 20, seal receptacle mounting flange 20's quantity adopts two, the guide part suit in the seal receptacle mounting flange 20 inboard that separation chamber 4 is connected, the sealing position be located between two seal receptacle mounting flange 20, two seal receptacle mounting flange 20 with the sealing position between all be provided with seal receptacle sealing washer 21, two seal receptacle mounting flange 20 are fixed through seal receptacle fixing bolt 22.
The ball supporting block 11 on seted up ball supporting block connecting groove 23, the oil cylinder fixing tube 14 is installed in ball supporting block connecting groove 23, the axis of oil cylinder fixing tube 14, the axis of ball supporting block connecting groove 23 and the axis of ball supporting block 11 are located same axis, be provided with strengthening rib 24 between the lateral wall of ball supporting block connecting groove 23 and the outer wall of oil cylinder fixing tube 14, strengthening rib 24 is the sheet structure, the quantity of strengthening rib 24 adopts a plurality of, a plurality of strengthening rib 24 is the outside of star distribution at the axis of oil cylinder fixing tube 14.
The use method of the product is as follows: as shown in fig. 1, 2, 3, 4, 5 and 6, firstly, the product is preinstalled, the to-be-tested flowmeter is installed at the upstream of the emission cavity 1, and the to-be-tested flowmeter and the emission cavity 1 are kept in series; connecting the start verification switch 3 and the end verification switch 5 to the matched counters; the third end of the separation cavity 4 is communicated to an oil pipeline; the pre-installation of the product is completed.
After the preinstallation of the product is finished, the preparation process of the product is needed to be carried out, so that the product is in a measurement stable state, and the preparation process of the product can be started: keep the stretching out state with the jar pole of inserted bar hydro-cylinder 9, retrieve the jar pole of ball support hydro-cylinder 7 into the cylinder body, the jar pole of ball support hydro-cylinder 7 drives ball support piece 11 and moves to preset the position, put into conversion chamber 6 through the quick-open blind plate 27 on the conversion chamber 6 with replacement ball 25, replacement ball 25 stops on the jar pole of inserted bar hydro-cylinder 9 this moment, stretch out the jar pole of ball support hydro-cylinder 7 again to ball support piece 11 and seal receptacle 10 closure, switch process flow to the volume pipe examination state, make the fluid fully flow through the gas in this product discharge this product, accomplish the preparation process of this product promptly.
After the preparation process of the product is finished, the normal verification process of the product can be started, oil passes through the detected flowmeter, the cylinder rod of the inserted rod oil cylinder 9 is retracted into the cylinder body of the inserted rod oil cylinder 9, the displacement ball 25 enters the launching cavity 1, the oil drives the displacement ball 25 to enter the standard pipe section 2, the counter starts to accumulate pulses output by the flowmeter when the displacement ball 25 triggers the initial verification switch 3, the counter stops accumulating pulses output by the flowmeter when the displacement ball 25 triggers the termination verification switch 5, the standard volume V of the standard pipe section 2 between the initial verification switch 3 and the termination verification switch 5 is corrected by temperature and pressure, the accumulated actual volume Q of the flow under the verification condition of the flowmeter is obtained, and the metering performance of the flowmeter can be determined according to the parameters such as N and Q, pressure and temperature under the verification condition.
When a next detection is needed after a detection process is completed, the replacement ball 25 is stopped by the ball stopping rod 26 and stays on the ball supporting block 11, the ball supporting oil cylinder 7 is driven, the cylinder rod of the ball supporting oil cylinder 7 is retracted into the cylinder body, the cylinder rod of the ball supporting oil cylinder 7 drives the ball supporting block 11 to move to a preset position, the replacement ball 25 falls along with the ball supporting block 11 and enters the conversion cavity 6, then enters the conversion connection cavity 8 and is supported by the cylinder rod of the inserted rod oil cylinder 9, the ball supporting oil cylinder 7 is driven again, the cylinder rod of the ball supporting oil cylinder 7 extends out until the ball supporting block 11 and the seal seat 10 are closed, then the inserted rod oil cylinder 9 is driven, the cylinder rod of the inserted rod oil cylinder 9 is retracted into the cylinder body of the inserted rod oil cylinder 9, and the replacement ball 25 enters the emission cavity 1 to perform the next detection.
Through the embodiment, the height requirement of the traditional one-way volume pipe on the installation space is reduced, meanwhile, the ball supporting oil cylinder 7 used for driving the ball supporting block 11 is located below the sealing seat 10, at the moment that the ball supporting block 11 is opened from the sealing seat 10, reverse flow below the sealing seat 10 is blocked by the ball supporting block, and the replacement ball moves along with downward movement of the ball supporting block, so that the structure is more favorable for the replacement ball 25 to pass through the sealing seat 10, and a series of components such as a reverse flow plate and a spring are omitted on the sealing seat 10 of the product based on the beneficial effect of the structure on the replacement ball 25, so that fragile parts are reduced, correspondingly, the frequency of equipment maintenance is reduced, and meanwhile, the product is provided with the pressing ring 18 on the top of the ball supporting block 11, the ball supporting block connecting groove 23 is arranged on the bottom surface of the ball supporting block 11, so that the weight of the transmission connecting part with the ball supporting oil cylinder 7 is integrally reduced, the load of the ball supporting oil cylinder 7 is reduced, and the service life of the ball supporting oil cylinder 7 is indirectly prolonged.
The one-way volume tube and the use method thereof meet the requirements of workers in the field of volume tubes, so that the one-way volume tube has wide market prospect.
Claims (7)
1. A one-way volumetric tube, comprising: the device comprises a launching cavity (1), wherein a replacement ball (25) is arranged in the launching cavity (1), one end of the launching cavity (1) is communicated with one end of a standard pipe section (2), one end, close to the launching cavity (1), of the standard pipe section (2) is provided with an initial verification switch (3), the other end of the standard pipe section (2) is communicated with a separation cavity (4), one end, close to the separation cavity (4), of the standard pipe section (2) is provided with a termination verification switch (5), a conversion cavity (6) is arranged below the separation cavity (4), a sealing conversion device is arranged between the conversion cavity (6) and the separation cavity (4), the bottom of the conversion cavity (6) is provided with a ball supporting oil cylinder (7), the output end of the ball supporting oil cylinder (7) is connected with the sealing conversion device, the conversion cavity (6) is communicated with the launching cavity (1) through a conversion connection cavity (8), and an inserted rod oil cylinder (9) is arranged on the conversion connection cavity (8); the sealing conversion device comprises a sealing seat (10), the sealing seat (10) comprises a guide part and a sealing part, the guide part is positioned above the sealing part, the guide part adopts an inverted truncated cone-shaped tubular structure, the sealing part adopts a truncated cone-shaped tubular structure, a ball supporting block (11) is arranged in the sealing part, and a ball supporting block sealing ring (12) is arranged on the ball supporting block (11); the method comprises the following steps:
step 1, a replacement ball (25) enters a standard pipe section (2), when the replacement ball (25) triggers a starting verification switch (3), a counter starts to accumulate pulses output by the flowmeter, and when the replacement ball (25) triggers a stopping verification switch (5), the counter stops accumulating the pulses output by the flowmeter;
step 2, stopping the replacement ball (25) on the ball supporting block (11) by a ball stopping rod (26), driving the ball supporting oil cylinder (7), retracting a cylinder rod of the ball supporting oil cylinder (7) into the cylinder body, driving the ball supporting block (11) to move downwards to a preset position by the cylinder rod of the ball supporting oil cylinder (7), enabling the replacement ball (25) to fall along with the ball supporting block (11) and enter the conversion cavity (6), and then enter the conversion connecting cavity (8) to be supported by the cylinder rod of the inserted rod oil cylinder (9);
and 3, driving the ball supporting oil cylinder (7), driving the inserted rod oil cylinder (9) after a cylinder rod of the ball supporting oil cylinder (7) extends to the ball supporting block (11) and the sealing seat (10) to be closed, withdrawing the cylinder rod of the inserted rod oil cylinder (9) into the cylinder body of the inserted rod oil cylinder (9), enabling the replacement ball (25) to enter the launching cavity (1), and executing the step 1.
2. The unidirectional volume tube of claim 1, wherein: conversion connect chamber (8) below be provided with slide (13) in transmission chamber (1), the axis in slide (13) and transmission chamber (1) is 10 degrees to 20 degrees.
3. The unidirectional volume tube of claim 1, wherein: support ball piece (11) on be provided with the fixed pipe of hydro-cylinder (14), the output of ball hydro-cylinder (7) is installed on in the fixed pipe of hydro-cylinder (14), is provided with hydro-cylinder fixing bolt (15) on the output of the fixed pipe of hydro-cylinder (14) and ball hydro-cylinder (7), the quantity of hydro-cylinder fixing bolt (15) adopts a plurality of, a plurality of hydro-cylinder fixing bolt (15) are the outside of star distribution at the output axis of hydro-cylinder fixing bolt (15).
4. The unidirectional volume tube of claim 1, wherein: the sealing part is provided with a leak detection valve (16), a ball supporting block sealing ring (12) on the inner side of the leak detection valve (16) is provided with a leak detection groove (17), and the leak detection groove (17) is communicated with the leak detection valve (16).
5. The unidirectional volume tube of claim 1, wherein: and a pressing ring (18) is arranged above the ball supporting block sealing ring (12) and the ball supporting block (11), and the pressing ring (18) and the ball supporting block (11) are fixed through a pressing ring fixing bolt (19).
6. The unidirectional volume tube of claim 1, wherein: conversion chamber (6) and separation chamber (4) on all be provided with seal receptacle mounting flange (20), the quantity of seal receptacle mounting flange (20) adopts two, guide part suit seal receptacle mounting flange (20) inboard that separation chamber (4) are connected, the sealing be located between two seal receptacle mounting flange (20), two seal receptacle mounting flange (20) with the sealing between all be provided with seal receptacle sealing washer (21), two seal receptacle mounting flange (20) are fixed through seal receptacle fixing bolt (22).
7. The unidirectional volume tube of claim 2, wherein: the ball supporting block (11) on seted up ball supporting block connecting groove (23), install in ball supporting block connecting groove (23) hydro-cylinder fixed tube (14), be provided with between the lateral wall of ball supporting block connecting groove (23) and the outer wall of hydro-cylinder fixed tube (14) strengthening rib (24), the quantity of strengthening rib (24) adopts a plurality of, a plurality of strengthening rib (24) are the outside of star distribution at the axis of hydro-cylinder fixed tube (14).
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| CN202110522466.8A CN113155244B (en) | 2021-05-13 | 2021-05-13 | One-way volume tube and use method thereof |
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| CN202110522466.8A CN113155244B (en) | 2021-05-13 | 2021-05-13 | One-way volume tube and use method thereof |
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| CN113155244B true CN113155244B (en) | 2023-02-24 |
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| CN113155244A (en) | 2021-07-23 |
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