CN108730607B - Measuring instrument fixing device easy to check and maintain - Google Patents
Measuring instrument fixing device easy to check and maintain Download PDFInfo
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- CN108730607B CN108730607B CN201810606456.0A CN201810606456A CN108730607B CN 108730607 B CN108730607 B CN 108730607B CN 201810606456 A CN201810606456 A CN 201810606456A CN 108730607 B CN108730607 B CN 108730607B
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- 238000007689 inspection Methods 0.000 claims abstract description 16
- 238000012790 confirmation Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 229920001875 Ebonite Polymers 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 15
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a measuring instrument fixing device easy to inspect and maintain, which comprises an external locking valve, a mounting plate, a fixing frame, a fixing plate, a measuring instrument, a rotary drum, a bearing A, a bearing B, an introducing pipeline and a pipeline quick connector, wherein a plurality of mounting plates coplanar with the side surfaces of the fixing frame are mounted on one side of the fixing frame; all rotate through bearing B in the center mounting hole of mounting panel and connect the rotary drum, the rotary drum is used for sealing towards positive one end, and the other end of rotary drum rotates the one end of connecting the introduction pipeline through bearing A, introduces the crooked back of pipeline and passes through fixing clip fixed connection at fixed opposite side, and the other end connecting tube quick-operation joint of pipeline just introduces. The invention realizes the quick switching of the main instrument and the standby instrument by adopting a rotary structure, and is convenient for inspection and maintenance. The invention can be quickly switched on and switched off, realizes quick acquisition of data and ensures the safety.
Description
Technical Field
The invention relates to an instrument fixing device, in particular to a measuring instrument fixing device easy to check and maintain.
Background
In systems such as chemical industry, there can be many pipelines, some pipeline pressure is big, some pipeline pressure is little, need adopt the manometer to carry out the control that has the appearance and describe to the pressure in every pipeline at the in-process of actual production, and in pipe-line system, the pressure point that needs the measurement is too many, consequently people introduce the assigned position through the pressure that will wait to survey in the pressure pipeline, adopt the instrument mount to concentrate to make things convenient for the control of pressure, also made things convenient for inspection and maintenance simultaneously.
The existing mechanical pressure gauge is accurate in measurement, and meanwhile, the real-time feedback is specific, so that a lot of equipment still preferentially adopts the mechanical pressure gauge, but the mechanical pressure gauge is easy to damage in the process of frequent fluctuation or large fluctuation of pressure due to being too sensitive, so that the pressure gauge needs to be replaced and maintained, and once the pressure gauge is maintained, a pipeline for leading out the pressure needs to be closed, so that the pressure cannot be monitored in time, and hidden dangers exist.
Disclosure of Invention
The present invention is directed to a fixing device for a measuring instrument, which is easy to check and maintain, to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a measuring instrument fixing device easy to inspect and maintain comprises an external locking valve, a mounting plate, a fixing frame, a fixing plate, a measuring instrument, a rotary drum, a bearing A, a bearing B, an introducing pipeline and a pipeline quick connector, wherein a plurality of mounting plates coplanar with the side surfaces of the fixing frame are mounted on one side of the fixing frame; the rotary drum is rotatably connected in a central mounting hole of the mounting plate through a bearing B, one end of the rotary drum facing the front is sealed, the other end of the rotary drum is rotatably connected with one end of an introducing pipeline through a bearing A, the introducing pipeline is fixedly connected to the other side of the fixing frame through a fixing clamp after being bent, and the other end of the introducing pipeline is connected with a pipeline quick connector; a plurality of valve connecting ports are formed in the surface of the section, located on the front side of the mounting plate, of the rotary drum, and the valve connecting ports are arranged around the axis of the rotary drum in a coplanar manner; the valve connecting ports are connected with the input end of the external locking valve, and the output end of the external locking valve is in threaded connection with the joint of the measuring instrument; the external locking valve mainly comprises a limiting sheet, a spring limiting cover, a sliding shaft, an integrated sliding valve core, a valve body, an inner sleeve, a spring and a connecting pipe, wherein the valve body is in a circular tube shape, the inner sleeve is in threaded connection with the inner wall of the valve body, annular grooves are correspondingly formed in the inner wall of the valve body and the outer wall of the inner sleeve and communicated with the inner wall of the valve body to form an annular communicating cavity, a pressure output hole and a pressure input hole are formed in the inner sleeve, and the pressure output hole and the pressure input hole are respectively located at the upper end and the lower end of the; the inner hole of the inner sleeve is a step hole, the inner diameter of a hole section corresponding to the pressure output hole is larger than the inner force of a hole section corresponding to the pressure input hole, an integrated sliding valve core is connected in the hole section corresponding to the pressure output hole in a sliding mode, a flow expansion groove is formed in the surface of the integrated sliding valve core, the integrated sliding valve core deviates from the hole section, a threaded hole used for being connected with the input end of a measuring instrument is formed in one end of the rotary drum, and the flow expansion groove and the threaded hole are communicated through an L-shaped hole formed; the spring limiting cover is in threaded connection with one end, facing the rotary drum, of the valve body, a plurality of hollow holes are formed in the spring limiting cover, and a spring is arranged between the spring limiting cover and the end face, facing one end of the rotary drum, of the valve body; when the spring is not acted by external force, the surface of the integrated sliding valve core blocks the pressure output hole, and when the integrated sliding valve core is pressed on the step surface of the step hole in the inner sleeve, the pressure output hole is communicated with the flow expansion groove; one end of the valve body facing the rotary drum is in threaded connection with a connecting pipe, and the connecting pipe is in threaded connection with the inside of the valve connecting port; each mounting plate is provided with means for pressure communication with an external locking valve.
As a further scheme of the invention: and the end face of the other end of the rotary drum is connected with a mechanical seal, so that the sealing property is ensured.
As a further scheme of the invention: the valve body is made of stainless steel, and the inner sleeve is made of hard rubber.
As a further scheme of the invention: the other end of the integrated sliding valve core is connected with one end of the sliding shaft, the other end of the sliding shaft penetrates through a through hole formed in the middle of the spring limiting cover in a sliding mode and is connected with a limiting piece, and the limiting piece is used for limiting the integrated sliding valve core to be pulled out of the inner sleeve.
As a further scheme of the invention: the device for pressing through the external locking valve mainly comprises an arc-shaped guide block and an adjusting seat, wherein the adjusting seat is welded on the surface of the mounting plate, the surface of the adjusting seat facing the measuring instrument is provided with the arc-shaped guide block, the surface of the arc-shaped guide block is vertically connected with one end of a guide rod, the guide rod is connected with the adjusting seat in a sliding way and provided with a sliding hole, the surface of the arc-shaped guide block is rotationally connected with one end of a screw rod through a bearing C, a through hole is formed in the adjusting seat corresponding to the screw rod, a nut is welded at the end part of the through hole, the screw rod is in threaded connection with the nut, the other end of the screw rod is connected with a turntable, the position of the arc-shaped guide block is controlled by the rotation of the turntable so as to press down the measuring instrument rotated to the position of the arc-shaped guide block, so that the external locking valve is conducted, the corresponding measuring instrument works, and one surface of the arc-shaped guide block, which faces the measuring instrument, is an arc protruding towards the measuring instrument.
As a further scheme of the invention: the external locking valves on each mounting plate are connected through arc-shaped rods, so that a handheld portion convenient to rotate is formed.
As a further scheme of the invention: every mounting panel all corresponds a signboard on the mount, and the signboard welding is on the mount.
As a further scheme of the invention: the manometer of two wide ranges and the manometer of two little ranges are installed to the correspondence on every rotary drum, and the manometer through different ranges all sets up two, conveniently changes reserve and inspection, and through the manometer that sets up different ranges, can not only satisfy different pipeline under pressure's demand, also can carry out pressure confirmation for the first time simultaneously, switches on and closes the manometer through quick contact and carries out pressure confirmation, avoids pressure to mismatch the damage that causes the manometer.
As a further scheme of the invention: an electric heating pipe is arranged at one sealed end port of the rotary drum, so that the interior of the rotary drum can be heated in winter.
Compared with the prior art, the invention has the beneficial effects that: the invention realizes the quick switching of the main instrument and the standby instrument by adopting a rotary structure, so that the pressure monitoring is not limited by the replacement and maintenance of the instruments, the monitoring can not be interrupted for a long time, and the inspection and the maintenance are convenient.
The structure of the external locking valve is adopted, namely the conduction effect is realized by external pressing, and the instrument is enabled to realize pressure conduction by rotating to a specified position by matching with external pressing equipment; when carrying out manometer maintenance or change, outside press down fixing device in case the cancellation falls the oppression back to the manometer, under the effect of spring, can be quick push away before integrative sliding valve core, make pressure delivery outlet by the lateral wall jam owner of integrative sliding valve core, the realization is to the isolated of route, the manometer of inspection and maintenance is treated in quick rotatory reserve manometer replacement this moment, thereby very big shortening the time that pressure detection interrupted, guarantee production system's safe operation, simultaneously can be safe relieved carry out the inspection and the maintenance of instrument.
The invention can also be used for quickly estimating the pressure in the pipeline, thereby conveniently selecting the measuring meter with the corresponding measuring range.
Drawings
Fig. 1 is a schematic front view of a measuring instrument holding device for easy inspection and maintenance.
FIG. 2 is a schematic diagram of an external lockout valve in a meter fixture for ease of inspection and maintenance.
Fig. 3 is a schematic view of a side view of a measuring instrument holding device for easy inspection and maintenance.
Fig. 4 is a schematic view of the structure of the back of the measuring instrument holding device for easy inspection and maintenance.
In the figure: the device comprises an arc-shaped guide block 1, a nut 2, a screw rod 3, a rotary table 4, a guide rod 5, an external locking valve 6, a mounting plate 7, a signboard 8, an arc-shaped rod 9, a fixing frame 10, a fixing plate 11, a measuring instrument 12, a rotary drum 13, a bearing A14, an adjusting seat 15, a bearing B16, a mechanical seal 17, an introducing pipeline 18, a pipeline quick joint 19, a limiting sheet 20, a spring limiting cover 21, a sliding shaft 22, an integrated sliding valve core 23, an annular communicating cavity 24, a flow expanding groove 25, a valve body 26, a threaded hole 27, an L-shaped hole 28, an inner sleeve 29, a pressure output hole 30, a pressure input hole 31, a spring 32, a hollow hole 33, a connecting pipe 34 and an electric.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the present invention, a measuring instrument fixing device easy to inspect and maintain includes an arc-shaped guide block 1, a nut 2, a screw 3, a rotary table 4, a guide rod 5, an external locking valve 6, a mounting plate 7, a signboard 8, an arc-shaped rod 9, a fixing frame 10, a fixing plate 11, a measuring instrument 12, a rotary drum 13, a bearing a14, an adjusting seat 15, a bearing B16, a mechanical seal 17, an introducing pipeline 18, and a pipeline quick connector 19, wherein a plurality of mounting plates 7 coplanar with the side surface of the fixing frame 10 are installed on one side of the fixing frame 10, and each mounting plate 7 is used for independently installing a group of measuring instruments and accessories, so as to implement multipoint simultaneous centralized measurement and facilitate inspection and maintenance of the measuring instruments; all rotate through bearing B16 in the central mounting hole of mounting panel 7 and connect rotary drum 13, rotary drum 13 is used for sealing towards positive one end, and the other end of rotary drum 13 rotates the one end of connecting introduction pipeline 18 through bearing A14, introduces the crooked back of pipeline 18 and passes through fixing clip fixed connection at the opposite side of mount 10, and introduces the other end connecting tube quick-operation joint 19 of pipeline 18 to in with the pipeline quick-operation connection that draws of measuring the position, guarantee convenient to use.
And the end surface of the other end of the rotating cylinder 13 is connected with a mechanical seal 17, so that the sealing property is ensured.
A plurality of valve connecting ports are formed in one section of the surface, located on the front side of the mounting plate 7, of the rotary drum 13, and the valve connecting ports are arranged around the axis of the rotary drum 13 in a coplanar manner; the valve connecting ports are all connected with the input end of the external locking valve 6, and the output end of the external locking valve 6 is in threaded connection with the joint of the measuring instrument 12; the external locking valve 6 mainly comprises a limiting piece 20, a spring limiting cover 21, a sliding shaft 22, an integrated sliding valve core 23, an annular communicating cavity 24, a flow expanding groove 25, a valve body 26, a threaded hole 27, an L-shaped hole 28, an inner sleeve 29, a pressure output hole 30, a pressure input hole 31, a spring 32, a hollow hole 33 and a connecting pipe 34, wherein the valve body 26 is in a circular pipe shape, the inner wall of the valve body 26 is in threaded connection with the inner sleeve 29, the valve body 26 is made of stainless steel, the inner sleeve 29 is made of hard rubber, the sealing performance of the connecting part is guaranteed through the hard rubber, the annular grooves are correspondingly formed in the inner wall of the valve body 26 and the outer wall of the inner sleeve 29 and communicated to form the annular communicating cavity 24, the inner sleeve 29 is provided with the pressure output hole 30 and the pressure input hole 31, and the pressure output hole 30 and the pressure input hole 31 are respectively located at the; the inner hole of the inner sleeve 29 is a stepped hole, the inner diameter of a hole section corresponding to the pressure output hole 30 is larger than the inner force of a hole section corresponding to the pressure input hole 31, the hole section corresponding to the pressure output hole 30 is connected with the integrated sliding valve core 23 in a sliding mode, the surface of the integrated sliding valve core 23 is provided with a flow expansion groove 25, one end of the integrated sliding valve core 23, which is deviated from the rotary drum 13, is provided with a threaded hole 27 used for being connected with the input end of the measuring instrument 12, and the flow expansion groove 25 is communicated with the threaded hole 27 through an L-shaped hole 28 formed in the integrated; the other end of the integral sliding valve core 23 is connected with one end of a sliding shaft 22, the other end of the sliding shaft 22 penetrates through a through hole formed in the middle of a spring limiting cover 21 in a sliding mode and is connected with a limiting sheet 20, the spring limiting cover 21 is connected to one end, facing the rotary drum 13, of the valve body 26 in a threaded mode, a plurality of hollow holes 33 are formed in the spring limiting cover 21, and a spring 32 is arranged between the spring limiting cover and the end face, facing the rotary drum 13, of the valve body 26; when the spring 32 is not acted by external force, the surface of the integrated slide valve core 23 blocks the pressure output hole 30, when the integrated slide valve core 23 is pressed on the step surface of the step hole in the inner sleeve 29, the pressure output hole 30 is communicated with the flow expansion groove 25, and the limiting piece 20 is used for limiting the integrated slide valve core 23 to be pulled out of the inner sleeve 29; the end of the valve body 26 facing the rotary drum 13 is connected with a connecting pipe 34 in a threaded mode, and the connecting pipe 34 is connected into a valve connecting port in a threaded mode so as to be convenient to assemble; in the actual working process, after the external pressing fixing device presses down the corresponding instrument, the medium in the drainage pipeline sequentially enters the annular communication cavity 24, the pressure output hole 30 and the flow expansion groove 25 from the pressure input hole 31 and finally enters the pressure gauge to realize the measurement of the pressure; and when carrying out the manometer and overhauing or when changing, outside press down fixing device in case the cancellation falls the oppression back to the manometer, under the effect of spring, can be quick push away integrative slide valve core 23 in the front, make pressure delivery outlet 30 by the lateral wall jam owner of integrative slide valve core 23, the realization is isolated to the route, quick rotation reserve manometer replacement of this moment treats the manometer of inspection and maintenance, thereby the very big time of pressure detection interrupt that has shortened, guarantee production system's safe operation, simultaneously can be safe relieved carry out the inspection and the maintenance of instrument.
The surface of each mounting plate 7 is welded with an adjusting seat 15, one surface facing to a measuring instrument 12 is provided with an arc-shaped guide block 1, the surface of the arc-shaped guide block 1 is vertically connected with one end of a guide rod 5, the guide rod 5 is slidably connected with the adjusting seat 15 and provided with a sliding hole, the surface of the arc-shaped guide block 1 is rotatably connected with one end of a screw rod 3 through a bearing C, the adjusting seat 15 corresponding to the screw rod 3 is provided with a through hole, the end part of the through hole is welded with a nut 2, the screw rod 3 is in threaded connection with the nut 2, the other end of the screw rod 3 is connected with a turntable 4, the position of the arc-shaped guide block 1 is controlled through the rotation of the turntable 4, so that the measuring instrument 12 rotating to the position of the arc-shaped guide block 1 can be pressed down, an external locking valve 6 is conducted, the corresponding measuring instrument 12, so that the measuring instrument can be rapidly rotated to conduct and break away during testing, and the external locking valve 6 can rapidly respond to protect the measuring instrument; in the specific working process, the arc-shaped guide block 1 with the preset position can prevent the arc-shaped surface from colliding with the shell of the pressure gauge in the rotating switching process, and the standby pressure gauge can quickly replace the position of the pressure gauge to be overhauled in a gradual change mode, so that the quick switching is facilitated.
A plurality of outside locking valves 6 on every mounting panel 7 are connected through arc pole 9, and the arc pole can weld in advance on its surface to constitute a convenient pivoted handheld portion, the convenient rotation.
Every mounting panel 7 all corresponds a signboard 8 on the mount 10, and signboard 8 welds on mount 10 to conveniently mark, specifically can carry out the sign that corresponds measuring tube way, can have the number in mind when guaranteeing the inspection maintenance, inspect according to operating specification.
The rotary drum 13 is correspondingly provided with two large-range pressure gauges and two small-range pressure gauges, the two pressure gauges are arranged through different ranges, standby and inspection are convenient to replace, the pressure gauges with different ranges can be arranged, requirements of different pressure pipelines can be met, meanwhile, when pressure confirmation is carried out for the first time, the pressure gauges can be turned on and off through quick contact to carry out pressure confirmation (namely instantaneous pressure is observed to drive the amplitude judgment of pointer swing, the swing amplitude is larger than two-thirds, the pressure is larger than the range of the pressure gauge tested at this time, and the pressure gauge can be turned on for a short time when the swing amplitude is smaller than two-thirds, so that the condition that the pressure gauge is damaged due to overlarge pressure is reduced.
An electric heating pipe 35 is arranged at one sealed end port of the rotary drum 13, so that the interior of the rotary drum can be heated in winter, and inaccurate measurement caused by icing is avoided.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. A measuring instrument fixing device easy to inspect and maintain comprises an external locking valve (6), a mounting plate (7), a fixing frame (10), a fixing plate (11), a measuring instrument (12), a rotary drum (13), a bearing A (14), a bearing B (16), an introducing pipeline (18) and a pipeline quick connector (19), and is characterized in that a plurality of mounting plates (7) coplanar with the side surface of the fixing frame (10) are mounted on one side of the fixing frame; a central mounting hole of the mounting plate (7) is rotatably connected with a rotary drum (13) through a bearing B (16), one end of the rotary drum (13) facing the front face is sealed, the other end of the rotary drum (13) is rotatably connected with one end of an introducing pipeline (18) through a bearing A (14), the introducing pipeline (18) is fixedly connected to the other side of the fixing frame (10) through a fixing clamp after being bent, and the other end of the introducing pipeline (18) is connected with a pipeline quick connector (19); a plurality of valve connecting ports are formed in the surface of the section, located on the front side of the mounting plate (7), of the rotary drum (13), and the valve connecting ports are arranged around the axis of the rotary drum (13) in a coplanar manner; the valve connecting ports are all connected with the input end of the external locking valve (6), and the output end of the external locking valve (6) is in threaded connection with the joint of the measuring instrument (12); the external locking valve (6) mainly comprises a limiting piece (20), a spring limiting cover (21), a sliding shaft (22), an integrated sliding valve core (23), a valve body (26), an inner sleeve (29), a spring (32) and a connecting pipe (34), wherein the valve body (26) is in a circular pipe shape, the inner wall of the valve body (26) is in threaded connection with the inner sleeve (29), annular grooves are correspondingly formed in the inner wall of the valve body (26) and the outer wall of the inner sleeve (29) and communicated to form an annular communicating cavity (24), a pressure output hole (30) and a pressure input hole (31) are formed in the inner sleeve (29), and the pressure output hole (30) and the pressure input hole (31) are respectively located at the upper end and the lower end of the annular communicating cavity (24) and are communicated with the; the inner hole of the inner sleeve (29) is a stepped hole, the inner diameter of a hole section corresponding to the pressure output hole (30) is larger than the inner diameter of a hole section corresponding to the pressure input hole (31), the hole section corresponding to the pressure output hole (30) is connected with the integrated sliding valve core (23) in a sliding mode, a flow expansion groove (25) is formed in the surface of the integrated sliding valve core (23), the integrated sliding valve core (23) deviates from the rotary drum (13), a threaded hole (27) used for being connected with the input end of the measuring instrument (12) is formed in one end of the rotary drum (13), and the flow expansion groove (25) is communicated with the threaded hole (27) through an L-shaped hole (28) formed in; the spring limiting cover (21) is in threaded connection with one end, facing the rotary drum (13), of the valve body (26), a plurality of hollow holes (33) are formed in the spring limiting cover (21), and a spring (32) is arranged between the spring limiting cover and the end face, facing one end of the rotary drum (13), of the valve body (26); when the spring (32) is not under the action of external force, the surface of the integrated sliding valve core (23) blocks the pressure output hole (30), and when the integrated sliding valve core (23) is pressed on the step surface of the step hole in the inner sleeve (29), the pressure output hole (30) is communicated with the flow expansion groove (25); one end of the valve body (26) facing the rotary drum (13) is in threaded connection with a connecting pipe (34), and the connecting pipe (34) is in threaded connection with the inside of the valve connecting port; each mounting plate (7) is provided with means for pressure-passing an external locking valve.
2. The measuring instrument holding device easy to inspect and repair as set forth in claim 1, wherein the other end face of the drum (13) is connected to a mechanical seal (17).
3. The measuring instrument holding device easy to inspect and repair as claimed in claim 1, wherein the valve body (26) is made of stainless steel and the inner sleeve (29) is made of hard rubber.
4. The fixing device for the measuring instrument easy to inspect and maintain as claimed in claim 1, wherein the other end of the integral sliding valve core (23) is connected with one end of the sliding shaft (22), the other end of the sliding shaft (22) slides through a through hole opened in the middle of the spring limiting cover (21) and is connected with the limiting sheet (20), and the limiting sheet (20) is used for limiting the integral sliding valve core (23) to be pulled out of the inner sleeve (29).
5. The measuring instrument fixing device easy to inspect and maintain as claimed in claim 1, wherein the device for pressing through the external locking valve is mainly composed of an arc-shaped guide block (1) and an adjusting seat (15), the adjusting seat (15) is welded on the surface of the mounting plate (7), the surface of the adjusting seat (15) facing the measuring instrument (12) is provided with the arc-shaped guide block (1), the surface of the arc-shaped guide block (1) is vertically connected with one end of a guide rod (5), the guide rod (5) is connected with the adjusting seat (15) in a sliding way, the surface of the arc-shaped guide block (1) is rotatably connected with one end of a screw rod (3) through a bearing C, the adjusting seat (15) corresponding to the screw rod (3) is provided with a through hole, the end of the through hole is welded with a nut (2), the screw rod (3) is connected with the nut (2) in a threaded way, and the other end of the, rotate the position of control arc guide block (1) through carousel (4) to can push down measuring instrument (12) that rotate arc guide block (1) position, make outside locking valve (6) obtain switching on, corresponding measuring instrument (12) work, arc guide block (1) is the convex arc of its direction towards the one side of measuring instrument (12).
6. An easily accessible measuring instrument holding device according to claim 1, characterized in that the external locking valves (6) on each mounting plate (7) are connected by means of curved bars (9) to form a hand-held part which is easy to rotate.
7. The measuring instrument fixing device easy to inspect and maintain as claimed in claim 1, characterized in that, each mounting plate (7) on the fixing frame (10) corresponds to a signboard (8), and the signboard (8) is welded on the fixing frame (10).
8. The measuring instrument fixing device easy to check and maintain as claimed in claim 1 or 2, wherein each rotary cylinder (13) is correspondingly provided with two large-range pressure gauges and two small-range pressure gauges, the two pressure gauges are arranged through different ranges, the replacement, standby and inspection are convenient, the pressure gauges with different ranges are arranged, the requirements of different pressure pipelines can be met, meanwhile, when pressure confirmation is carried out for the first time, the pressure confirmation is carried out by switching on and closing the pressure gauges through quick contact, and the damage of the pressure gauges caused by pressure mismatching is avoided.
9. The measuring instrument holding device easy to inspect and maintain according to claim 8, wherein the sealed end port of the drum (13) is opened with an electric heating tube (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606456.0A CN108730607B (en) | 2018-06-12 | 2018-06-12 | Measuring instrument fixing device easy to check and maintain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606456.0A CN108730607B (en) | 2018-06-12 | 2018-06-12 | Measuring instrument fixing device easy to check and maintain |
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| CN108730607A CN108730607A (en) | 2018-11-02 |
| CN108730607B true CN108730607B (en) | 2020-01-21 |
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| CN201810606456.0A Expired - Fee Related CN108730607B (en) | 2018-06-12 | 2018-06-12 | Measuring instrument fixing device easy to check and maintain |
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| CN110455329B (en) * | 2019-07-04 | 2021-05-11 | 安徽蓝润自动化仪表有限公司 | Auxiliary device convenient for maintenance of precision instrument |
| CN115165984B (en) * | 2022-07-15 | 2023-06-06 | 中国科学院海洋研究所 | Ocean environment hydrogen permeation monitoring sensor with working face being plane and monitoring method |
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| CN206145390U (en) * | 2016-11-04 | 2017-05-03 | 丛晓 | Electric quantity instrument fixing device of easy maintenance and inspection |
| CN107246537A (en) * | 2017-07-30 | 2017-10-13 | 合肥杰代机电科技有限公司 | A kind of instrument and meter rotary positioning frame |
| CN207020210U (en) * | 2017-05-05 | 2018-02-16 | 天津鑫威科科技有限公司 | The fixing device of electric instrument |
| CN107910782A (en) * | 2017-12-21 | 2018-04-13 | 浙江中正新能源科技有限公司 | A kind of easy-to-dismount photovoltaic micro measuring instrument |
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2018
- 2018-06-12 CN CN201810606456.0A patent/CN108730607B/en not_active Expired - Fee Related
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| US4940204A (en) * | 1989-09-28 | 1990-07-10 | John Fluke Mfg. Co., Inc. | Instrument having flexible stand |
| US8837927B2 (en) * | 2011-11-09 | 2014-09-16 | Lev Nikolaevich Yevstratov | Triaxial camera suspension unit |
| CN204901275U (en) * | 2015-08-21 | 2015-12-23 | 麦克传感器股份有限公司 | Instrument instrument installation fixed structure |
| CN106211658A (en) * | 2016-06-29 | 2016-12-07 | 黄少伟 | One has instrumental panel and overhauls convenient regulator cubicle device |
| CN206145390U (en) * | 2016-11-04 | 2017-05-03 | 丛晓 | Electric quantity instrument fixing device of easy maintenance and inspection |
| CN207020210U (en) * | 2017-05-05 | 2018-02-16 | 天津鑫威科科技有限公司 | The fixing device of electric instrument |
| CN107246537A (en) * | 2017-07-30 | 2017-10-13 | 合肥杰代机电科技有限公司 | A kind of instrument and meter rotary positioning frame |
| CN107910782A (en) * | 2017-12-21 | 2018-04-13 | 浙江中正新能源科技有限公司 | A kind of easy-to-dismount photovoltaic micro measuring instrument |
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| Publication number | Publication date |
|---|---|
| CN108730607A (en) | 2018-11-02 |
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