CN210565395U - Energy accumulator for pressure detection equipment of liquid container - Google Patents
Energy accumulator for pressure detection equipment of liquid container Download PDFInfo
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- CN210565395U CN210565395U CN201921139284.7U CN201921139284U CN210565395U CN 210565395 U CN210565395 U CN 210565395U CN 201921139284 U CN201921139284 U CN 201921139284U CN 210565395 U CN210565395 U CN 210565395U
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- 239000007788 liquid Substances 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 238000004146 energy storage Methods 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 238000009530 blood pressure measurement Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 32
- 238000012360 testing method Methods 0.000 description 13
- 238000001914 filtration Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005192 partition Methods 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
The utility model discloses an energy storage ware for liquid container pressure measurement equipment belongs to the hydraulic pressure energy storage ware field. Wherein, an accumulator for a liquid container pressure detection apparatus includes: the energy accumulator comprises an energy accumulator body, a servo motor, a ball screw mechanism, a pressing plate and a movable plate, wherein the servo motor is arranged above the energy accumulator body; the utility model discloses, satisfy and carry out pressure boost and pressurize to hydraulic system under the operating mode that need not increase hydraulic oil, avoided selecting costly pressure source for single process.
Description
Technical Field
The utility model belongs to hydraulic pressure energy storage ware field, especially an energy storage ware for liquid container pressure measurement equipment.
Background
The existing hydraulic system can only be adjusted downwards on the basis of the pressure output by the pressure source, if the high pressure required by an execution element to do work is met, a larger pressure source is purchased to output more hydraulic oil and larger hydraulic pressure, which is not thick, however, if the high pressure source is only selected to output the larger hydraulic pressure in the pressure test when the output of the hydraulic oil meets the requirement, the existing hydraulic oil is pressurized and pressure is maintained, and the pressure source with higher cost is only selected to output the larger hydraulic pressure, but the hydraulic pressure is mostly decompressed and adjusted downwards, which is undoubtedly wasteful of production cost.
Therefore, it is desirable to provide a hydraulic component that can perform pressurization and pressure maintaining on a hydraulic system under a working condition without increasing hydraulic oil.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: an accumulator for a pressure detection device of a fluid container is provided to solve the above problems of the prior art.
The technical scheme is as follows: an accumulator for a fluid container pressure detection apparatus comprising: the energy accumulator comprises an energy accumulator body, a servo motor arranged above the energy accumulator body, a ball screw mechanism rotationally connected with the servo motor, a pressing plate which linearly moves along the axial direction of the ball screw mechanism, and a movable plate elastically connected with the pressing plate; the ball screw mechanism, the pressing plate and the movable plate are all installed inside the energy accumulator body, one end of the ball screw mechanism is fixed at the bottom end inside the energy accumulator body, the other end of the ball screw mechanism penetrates through the energy accumulator body to be connected with the servo motor in a rotating mode, the pressing plate and the movable plate are all sleeved with the ball screw mechanism, and the pressing plate and the movable plate are all connected with the inner wall of the energy accumulator body in a sliding mode.
In a further embodiment, a speed reducer is further installed between the servo motor and the energy accumulator body, an output shaft of the speed reducer is in rotational connection with a screw rod of the ball screw mechanism, and the larger the pressure in the energy accumulator is, the larger the rotational force required by the operation of the ball screw mechanism is, and the larger the load of the servo motor is, so that the load of the servo motor can be reduced by adding the speed reducer between the servo motor and the ball screw mechanism for transmission, and the service life of the servo motor is prolonged.
In a further embodiment, the ball screw mechanism is rotationally connected with the output shaft of the speed reducer through the coupler, because the lead screw of the ball screw mechanism can be blocked by pressure in the energy accumulator, deformation and displacement with small amplitude can occur under the action of the pressure, if the ball screw mechanism is rigidly connected with the speed reducer, radial force can be generated on the output shaft of the speed reducer, the service lives of the speed reducer and the ball screw mechanism are influenced, so that flexible connection is performed between the ball screw mechanism and the speed reducer through the coupler, and the service lives of the speed reducer and the ball screw mechanism can be prolonged.
In a further embodiment, the ball screw mechanism is provided with two ball nuts, the ball nuts are connected together through a sleeve, the pressing plate is fixedly connected with the upper end of the sleeve, the movable plate is connected with the sleeve in a sliding mode, a sealing effect can be achieved through the sliding connection between the sleeve and the movable plate, and the effect that hydraulic oil leaks to the upper portion of the movable plate in the using process and cannot be pressurized is avoided.
In a further embodiment, the sleeve is hollow cylinder, and the bottom is equipped with the flange structure, and inside is opened there is the shoulder hole, wherein, fly leaf and telescopic cylinder part sliding connection, the both ends aperture of shoulder hole is greater than middle aperture, and both ends aperture is the same, and the flange through the sleeve bottom is spacing to the fly leaf, can be connected when not fastening at spring and fly leaf, avoids the fly leaf to take place to drop and causes the damage to the inner wall of energy storage ware, can fix ball nut in the sleeve through the shoulder hole.
In a further embodiment, sealing covers are further installed at two ends of the sleeve, two ends of the sleeve can be sealed through the sealing covers, and the pressurization effect is further guaranteed.
In a further embodiment, a plurality of optical axes are equally distributed along the circumference of the axis of the ball screw, linear bearings corresponding to the optical axes are mounted on the pressing plate and the movable plate, wherein the two ends of the optical axes are respectively and fixedly mounted at the upper end and the lower end of the interior of the energy accumulator, and the pressing plate and the movable plate can be ensured not to deviate in the process of linear motion through the matching between the optical axes and the linear bearings, so that the supercharging quality is ensured, and the service life of the energy accumulator is prolonged.
In a further embodiment, the pressing plate and the movable plate are connected through a plurality of springs, two ends of each spring are respectively fixedly connected with the pressing plate and the movable plate, the springs are sleeved on the sleeve or the optical axis, the springs sleeved on the optical axis are symmetrically installed, the energy accumulator can be normally used for storing and stabilizing pressure through the springs, the springs are sleeved on the sleeve or the optical axis, the springs can be prevented from deviating in the using process to affect the service life of the springs, when the springs on the optical axis are installed, the pressing plate and the movable plate can be further guaranteed to do linear motion without deviating in the symmetrical installation process, the pressurizing quality is guaranteed, and the service life of the energy accumulator is prolonged.
Has the advantages that: through the elastic connection between clamp plate and the fly leaf, the accumulate pressure of execution energy storage ware that can be normal, the function of steady voltage, when needs realize the pressure boost pressurize, start servo motor, make the clamp plate promote the fly leaf to the hydraulic oil pressure boost, can satisfy and carry out pressure boost and pressurize to hydraulic system under the operating mode that need not increase hydraulic oil, needn't go the selective purchase bigger pressure source in order to satisfy this single operating mode, the rate of utilization of pressure has been improved, manufacturing cost has been reduced.
Drawings
Fig. 1 is a schematic sectional structure diagram of the present invention.
Fig. 2 is a schematic view of the axial measurement structure of the present invention.
Fig. 3 is a schematic diagram of the embodiment of the present invention.
The reference numerals shown in fig. 1 to 3 are: the hydraulic testing device comprises a check valve 1, an electromagnetic overflow valve 2, a high-pressure oil filter 3, an electromagnetic drain valve 4, a high-pressure accumulator 5, a high-pressure overflow valve 6, a low-pressure charging and reducing valve 7, a low-pressure accumulator 8, a low-pressure liquid discharging and reducing valve 9, a high-pressure and low-pressure switching valve 10, an oil supply filtering system 20, a high-pressure maintaining system 30, a low-pressure maintaining system 40, a fixing device 50, a pressure source 60, an oil tank 70, a testing container 80, a bottom plate 51, a hydraulic cylinder 52, an end cover 53, a hydraulic system 100, a three-position four-way electromagnetic directional valve 501, a two-position two-way electromagnetic valve 502, an oil inlet 531, an air outlet 532, an accumulator body 110, a servo motor 120.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
Through the research and analysis of the applicant in combination with the working experience, the existing hydraulic system is adjusted downwards on the basis of the pressure output by the pressure source, if the high pressure required by an execution element to do work is met, a larger pressure source is purchased to output more hydraulic oil and larger hydraulic pressure, and the thick adjustment is not possible, however, if the pressure test is only performed when the output of the hydraulic oil meets the requirement, the existing hydraulic oil is pressurized and pressure is maintained, the pressure source with higher cost is selected to output only the larger hydraulic pressure, and the hydraulic pressure is relieved in most cases and is adjusted downwards, so that the production cost is definitely wasted.
To above problem the utility model discloses an applicant has improved current energy storage ware, because hydraulic oil can't realize the pressure boost through the compression for liquid, so the utility model discloses a thereby exert pressure to hydraulic oil and realize the effect to the hydraulic system pressure boost, an energy storage ware for liquid container pressure detection equipment includes: the energy accumulator comprises an energy accumulator body 110, a servo motor 120, a ball screw mechanism 130, a pressure plate 140, a movable plate 150, a sleeve 131, an optical axis 160, a linear bearing 161 and a spring.
Wherein, the hydraulic fluid port of energy storage ware body 110 is in energy storage ware body 110's below, in order to assemble the energy storage ware inside in production, consequently the utility model provides an energy storage ware divide into hemispherical bottom, the middle section of tube-shape and the apron of top, the three forms through screw fixed connection after the assembly is accomplished, in order to prevent that the oil leak still placed the oil seal pad at the mounted position of three, it is required to notice because the hemispherical bottom has been selected in order to bear bigger pressure, this all influences the installation of ball screw mechanism 130 and optical axis 160, ball screw mechanism 130 installs the intermediate position in hemispherical bottom, consequently, it can to use the bearing frame to install, but optical axis 160 is installed the degree of difficulty around ball screw mechanism 130 circumference partition installation equally on hemispherical bottom, consequently still weld the baffle that the Q235 steel made between hemispherical bottom and the middle section of tube-shape, the partition board can be passed through by the ball screw mechanism 130, and is further provided with a through hole matched with the optical axis 160, and in actual production, the partition board needs to be noted that in order not to influence the circulation of hydraulic oil, a hole larger than the sleeve 131 is further formed in the partition board, and when the partition board is passed through by the sleeve 131, a gap through which hydraulic oil can pass is also formed, and the hole in which the optical axis 160 is installed is not influenced.
The ball screw mechanism 130 has a screw rod with stepped shafts at both ends and trapezoidal threads in the middle, and two ball nuts, wherein bearing seats are further installed at both ends of the ball screw mechanism 130 in order to ensure that the ball screw mechanism 130 can rotate freely in the actual production process, so that the ball screw mechanism 130 can rotate freely.
Each optical axis 160 is fitted with two linear bearings 161, and in order to avoid the pressure plate 140 and the movable plate 150 from being displaced during operation, it is noted that the optical axis 160 and the linear bearings 161 need to be installed at equal intervals about the circumference of the ball screw mechanism 130.
Since the ball screw mechanism 130 is not a sealing mechanism, and since the screw is threaded, the two ball nuts are connected together by the sleeve 131, and the pressure plate 140, the movable plate 150, and the ball screw mechanism 130 are sealed by the sleeve 131. Wherein, the sleeve 131 is a hollow cylinder, the bottom end is provided with a flange structure, the interior is provided with a stepped hole, a ball nut is fixed in the stepped hole of the sleeve 131, wherein, the purposes of sealing and linear motion are achieved by sliding connection, so the surface roughness of the sleeve 131 is below 1.6 μm.
The pressing plate 140 and the movable plate 150 are provided with through holes in the middle for matching with the sleeve 131 and the ball screw mechanism 130, and are equally provided with through holes and threaded holes in the circumference for matching with the optical axis 160 and the linear bearing 161, wherein the pressing plate 140 is penetrated and fixed above the sleeve 131 by the ball screw mechanism 130, the movable plate 150 is fixedly arranged below the linear bearing 161 and does linear motion between the pressing plate 140 and the flange structure of the sleeve 131, wherein the surface roughness of the pressing plate 140 and the movable plate 150 is below 1.6 μm for achieving the purposes of sealing and linear motion by sliding connection, and a spring is arranged between the pressing plate 140 and the movable plate 150.
In order to drive the ball screw mechanism 130 to enable the pressure plate 140 and the movable plate 150 to apply pressure to the hydraulic oil, thereby achieving the effect of pressurizing the hydraulic system, the servo motor 120 is further rotatably connected to the top end of the ball screw mechanism 130, and the servo motor 120 is used to adjust the positions of the pressure plate 140 and the movable plate 150 on the ball screw mechanism 130, thereby achieving the effect of adjusting the pressure.
The assembling process comprises the following steps: firstly, a partition plate of the energy accumulator is welded above the hemispherical bottom end of the energy accumulator, then the ball screw mechanism 130 is fixed at the hemispherical bottom end of the energy accumulator through a bearing seat, then the optical axis 160 is installed on the partition plate, then the sleeve 131 is fixed on a ball nut, the sleeve 131 and the linear bearing 161 are fixedly connected with the pressure plate 140 and the movable plate 150 through screws, the pressure plate 140 and the movable plate 150 are installed in sequence, the movable plate 150 is installed firstly, then the spring is sleeved on the ball screw mechanism 130 and the optical axis 160, and finally the pressure plate 140 is fixed on the sleeve 131 and the linear bearing 161.
After the internal installation of the energy accumulator is completed, the cylindrical middle section and the upper cover plate of the energy accumulator are sequentially fixed above the hemispherical bottom end by using a nut and an oil seal gasket and sealed, attention should be paid to align the optical axis 160 and the ball screw mechanism 130 when the cover plate is installed, the ball screw mechanism 130 should be fixed through a bearing seat when the ball screw mechanism 130 is fixed, and finally the servo motor 120 is fixed above the cover plate, and the servo motor 120 and the ball screw mechanism 130 are rotatably connected.
The working principle is as follows: firstly, the energy accumulator is communicated with a hydraulic system, then the hydraulic system is filled with liquid, an executing element acts, after the action of the executing element is finished, in the process, the energy accumulator normally performs the functions of shock absorption, buffering and the like, when pressurization and pressure maintaining are needed, the servo motor 120 is started to drive the ball screw mechanism 130 to rotate, the pressing plate 140 and the movable plate 150 perform linear motion towards the bottom end of the energy accumulator, the servo motor 120 stops rotating after the pressure meets the requirement, the pressure maintaining capability is realized by utilizing the self-locking capability of the ball screw mechanism 130, and the hydraulic oil is not compressed by applying mechanical force to the existing fixed hydraulic oil, so that the mechanical force is converted into the internal energy of the hydraulic oil through the pressing plate 140 and the movable plate 150.
In a further embodiment, since the greater the pressure in the accumulator, the greater the rotating force required by the operation of the ball screw mechanism 130, and the greater the load of the servo motor 120, a speed reducer 121 is further installed between the servo motor 120 and the ball screw mechanism 130 for transmission, so as to reduce the load of the servo motor 120 and improve the service life of the servo motor 120.
In a further embodiment, since the lead screw of the ball screw mechanism 130 is obstructed by pressure in the accumulator, and is deformed and displaced in a small range under the action of the pressure, if the ball screw mechanism 130 is rigidly connected with the speed reducer 121, a radial force is generated on the output shaft of the speed reducer 121, which affects the service lives of the speed reducer 121 and the ball screw mechanism 130, a coupling is further installed between the ball screw mechanism 130 and the speed reducer 121, and the ball screw mechanism 130 and the speed reducer 121 are flexibly connected through the coupling, so that the service lives of the speed reducer 121 and the ball screw mechanism 130 can be prolonged.
In a further embodiment, in order to ensure the pressurizing effect, sealing caps are further installed at both ends of the sleeve 131.
For further explanation of the usage principle of the present invention in actual production, the present invention is further explained by the hydraulic schematic diagram of the embodiment shown in fig. 3.
The embodiment shown in fig. 3 is a schematic diagram of a hydraulic system for detecting the pressure of a container, and in the hydraulic system, the first step is to fill the container to exhaust air in the container, so as to avoid the air remaining in the container to be compressed and mixed with hydraulic oil, which affects the recycling of the hydraulic oil, and the surface of the container should be dried for observing the leakage of the container. After preparation, the second step is followed, in which the pressure in the vessel is slowly increased, after the specified test pressure is reached, the dwell time is generally not less than 30min, and then the pressure is reduced to 80% of the specified test pressure and maintained for a time sufficient to inspect all welded joints and joints. If leakage exists, the test is carried out again after repair. Third, the pressure should remain constant during the examination.
This hydraulic system includes: the device comprises a high-low pressure switching valve 10, an oil supply filtering system 20, a high-pressure maintaining system 30, a low-pressure maintaining system 40, a fixing device 50, a pressure source 60, an oil tank 70, a test container 80, a bottom plate 51, a hydraulic cylinder 52, an end cover 53, a hydraulic system 100, a three-position four-way electromagnetic directional valve 501 and a two-position two-way electromagnetic valve 502.
Wherein, the fixing device 50 includes: the hydraulic cylinder 52 is a CDT3-MS2-40_18_120-F type hydraulic cylinder 52 with a cylinder head and a cylinder bottom connected with a guide sleeve through a pull rod, wherein the pull rod penetrates through the cylinder bottom and the bottom plate 51 and fixes the hydraulic cylinder 52 at the four corners of the bottom plate 51 through nuts, and the end cover 53 is fixed on a telescopic rod of the hydraulic cylinder 52 and moves linearly along with the telescopic rod.
The hydraulic system 100 includes: the oil supply system comprises an oil supply filtering system 20, a high-low pressure switching valve 10, a high-pressure maintaining system 30, a low-pressure maintaining system 40 and a P-IN oil inlet and a P-OUT oil outlet, wherein a P-IN oil inlet 531 is communicated with a pressure source 60 for providing pressure for the hydraulic system 100, the oil supply filtering system 20 for filtering hydraulic oil to provide clean hydraulic oil for the hydraulic system 100 to avoid the hydraulic system 100 from being IN fault is communicated with the P-IN oil inlet 531, the high-low pressure switching valve 10 for switching output pressure is communicated with the oil supply filtering system 20, the high-pressure maintaining system 30 for improving output pressure and the low-pressure maintaining system 40 for reducing output pressure are connected between the oil supply filtering system 20 and the high-low pressure switching valve 10 IN parallel, and the P-OUT oil outlet for providing hydraulic oil and pressure for.
Wherein, in order to ensure that the hydraulic oil does not leak OUT of the hydraulic system 100 and the hydraulic station, the high-low pressure switching valve 10 is a two-position three-way electromagnetic directional valve, the number of the electromagnetic valve is named as DT0, a two-way oil port of the high-low pressure switching valve 10 is respectively communicated with the high-pressure maintaining system 30 and the low-pressure maintaining system 40, a one-way oil port is communicated with a P-OUT oil outlet, when DT0 is de-energized, the high-low pressure switching valve 10 is in a normal working position, at the moment, the high-pressure maintaining system 30 is communicated with the P-OUT oil outlet and provides high pressure for the hydraulic station, at the moment, the low-pressure maintaining system 40 is in an open circuit pressure accumulation state to prepare for outputting low pressure, when DT0 is energized, the high-low pressure switching valve 10 is in a reversing working position, the low-pressure maintaining system 40 is communicated with the P, to prepare for when high voltage needs to be output.
The test container 80 is placed in the fixing device 50 and is communicated with a P-OUT oil outlet of the hydraulic system 100 through a two-position two-way electromagnetic valve 502, the two-position two-way electromagnetic valve 502 is provided with an electromagnet DT5, when the electromagnet DT5 is powered off, the two-position two-way electromagnetic valve 502 is in a normal working position which is a breaking working position, when the electromagnet DT5 is powered on, the two-position two-way electromagnetic valve 502 is in a reversing working position, and at the moment, the hydraulic system 100 is communicated with the test container 80.
The pressure source 60 is a PVS08-a type hydraulic pump, and hydraulic oil and pressure can be supplied to the hydraulic cylinder 52, the hydraulic system 100, and the test container 80 through the pressure source 60.
The assembling process comprises the following steps: firstly, assembling the hydraulic system 100, firstly, communicating a P-IN oil inlet 531 with a pressure source 60 for providing pressure for the hydraulic system 100, then communicating an oil supply filtering system 20 with the P-IN oil inlet 531, then communicating a high-low pressure switching valve 10 with the oil supply filtering system 20, then connecting a high-pressure maintaining system 30 and a low-pressure maintaining system 40 between the oil supply filtering system 20 and the high-low pressure switching valve 10 IN parallel, and finally communicating a P-OUT oil outlet with an output end of the high-low pressure switching valve 10.
Then, the fixing device 50 is assembled, firstly, the pull rod of the hydraulic cylinder 52 penetrates through the cylinder bottom and the bottom plate 51, the hydraulic cylinder 52 is fixed at the four corners of the bottom plate 51 by using nuts, then the telescopic rod of the hydraulic cylinder 52 penetrates through the end cover 53, and the end cover 53 and the telescopic rod of the hydraulic cylinder 52 are fixed together by using the nuts, so that the end cover 53 follows the telescopic rod to do linear motion.
Finally, the fixing device 50 and the hydraulic system 100 are placed on the same plane, the hydraulic cylinder 52 is communicated with the hydraulic system 100 through the three-position four-way electromagnetic directional valve 501, and the test container 80 is placed in the fixing device 50, so that the assembling process of the liquid container pressure detection device is completed.
The working principle is as follows: firstly, adjusting the set pressures of the high-pressure maintaining system 30 and the low-pressure maintaining system 40 according to the detection pressure required by the detection container, connecting the P-IN oil inlet 531 with the pressure source 60, and connecting the hydraulic station required to work with the P-OUT oil outlet. Then, the electromagnet DT0 is de-energized, that is, the high-low pressure switching valve 10 is in the normal position, so as to provide the required detection pressure for detecting the container.
The application of the energy accumulators is the high-pressure energy accumulator 5 and the low-pressure energy accumulator 8, in the working process of the hydraulic system, the energy accumulators perform normal damping work in the process of charging the test container 80, the pressure source 60 does not have extra load on the pressure source 60 in normal work, after the charging is completed, the pressure source 60 stops working, the servo motors 120 on the high-pressure energy accumulator 5 and the low-pressure energy accumulator 8 perform rotation work, and stable working pressure is applied to two hydraulic loops of the hydraulic system through the high-pressure energy accumulator 5 and the low-pressure energy accumulator 8.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (8)
1. An accumulator for a liquid container pressure detection apparatus, comprising: the energy accumulator comprises an energy accumulator body (110), a servo motor (120) arranged above the energy accumulator body (110), a ball screw mechanism (130) rotationally connected with the servo motor (120), a pressing plate (140) doing linear motion along the axial direction of the ball screw mechanism (130), and a movable plate (150) elastically connected with the pressing plate (140);
the energy storage device comprises an energy storage device body (110), a ball screw mechanism (130), a pressing plate (140) and a movable plate (150), wherein the ball screw mechanism (130), the pressing plate (140) and the movable plate (150) are all installed inside the energy storage device body (110), one end of the ball screw mechanism (130) is fixed at the bottom end inside the energy storage device body (110), the other end of the ball screw mechanism (130) penetrates through the energy storage device body (110) to be rotatably connected with a servo motor (120), the pressing plate (140) and the movable plate (150) are all sleeved with the ball screw mechanism (130), and the pressing plate (140) and the movable plate (150.
2. The accumulator for a pressure detection device of a liquid container according to claim 1, characterized in that a speed reducer (121) is further installed between the servo motor (120) and the accumulator body (110), and an output shaft of the speed reducer (121) is rotatably connected with a screw of a ball screw mechanism (130).
3. The accumulator for a liquid container pressure detection apparatus according to claim 2, characterized in that the ball screw mechanism (130) is rotationally connected with an output shaft of the reducer (121) through a coupling.
4. An accumulator for a liquid container pressure detecting apparatus according to claim 3, characterized in that the ball screw mechanism (130) has two ball nuts, the ball nuts are connected together through a sleeve (131), the pressure plate (140) is fixedly connected with the upper end of the sleeve (131), and the movable plate (150) is slidably connected with the sleeve (131).
5. The accumulator for the pressure detection equipment of the liquid container according to claim 4, characterized in that the sleeve (131) is a hollow cylinder, the bottom end of the sleeve is provided with a flange structure, and a stepped hole is formed inside the sleeve, wherein the movable plate (150) is slidably connected with the cylinder part of the sleeve (131), the hole diameters of two ends of the stepped hole are larger than that of the middle hole, and the hole diameters of the two ends are the same.
6. An accumulator for a pressure detection device of a liquid container according to claim 5, characterized in that the sleeve (131) is further mounted with sealing caps at both ends.
7. The accumulator for the pressure detection equipment of the liquid container according to claim 4, wherein a plurality of optical axes (160) are equally distributed along the circumference of the axis of the ball screw, linear bearings (161) corresponding to the optical axes (160) are installed on the pressing plate (140) and the movable plate (150), and two ends of the optical axes (160) are respectively and fixedly installed at the upper end and the lower end of the inside of the accumulator.
8. The accumulator for the pressure detection equipment of the liquid container according to claim 7, characterized in that the pressing plate (140) and the movable plate (150) are connected by a plurality of springs, two ends of the springs are respectively fixedly connected with the pressing plate (140) and the movable plate (150), the springs are sleeved on the sleeve (131) or the optical axis (160), wherein the springs sleeved on the optical axis (160) are symmetrically installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139284.7U CN210565395U (en) | 2019-07-19 | 2019-07-19 | Energy accumulator for pressure detection equipment of liquid container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139284.7U CN210565395U (en) | 2019-07-19 | 2019-07-19 | Energy accumulator for pressure detection equipment of liquid container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565395U true CN210565395U (en) | 2020-05-19 |
Family
ID=70632848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921139284.7U Expired - Fee Related CN210565395U (en) | 2019-07-19 | 2019-07-19 | Energy accumulator for pressure detection equipment of liquid container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565395U (en) |
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2019
- 2019-07-19 CN CN201921139284.7U patent/CN210565395U/en not_active Expired - Fee Related
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Granted publication date: 20200519 |