CN109253395A - A kind of high leakproofness underground voltage regulating station - Google Patents
A kind of high leakproofness underground voltage regulating station Download PDFInfo
- Publication number
- CN109253395A CN109253395A CN201811360844.1A CN201811360844A CN109253395A CN 109253395 A CN109253395 A CN 109253395A CN 201811360844 A CN201811360844 A CN 201811360844A CN 109253395 A CN109253395 A CN 109253395A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- pressure
- voltage regulating
- high leakproofness
- regulating station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
The invention belongs to natural gas transportation equipment technical fields, and more particularly, to a kind of high leakproofness underground voltage regulating station, including bracket, valve body and cabinet, for cradle top for being supported to cabinet, internal stent is additionally provided with the cavity for being installed to valve body；The on-off and circulating pressure that valve body is used to circulate to fluid control, and the bottom plate of top and cabinet realizes face contact, and is realized and fixed by fastener, and face contact is provided with sealing structure at position；The control terminal of valve body is located in the box body, and case lid is provided at the top of cabinet, face contact is equally realized between case lid and cabinet, and sealing structure is provided at face contact position, and case lid and cabinet are locked by dense block.High leakproofness underground voltage regulating station in the present invention; pass through the sealing structure between case lid and cabinet; it effectively prevent rainwater to enter in cabinet from top of the box; pass through the sealing structure between body top and box baseplate simultaneously; it can avoid underground water to enter in cabinet from the bottom of box; so as to form the space of high leakproofness, protection is sealed to structures such as each instrument and control valves, the reliability of combustion gas transport and control is effectively ensured.
Description
Technical field
The invention belongs to natural gas transportation equipment technical fields, more particularly, to a kind of high leakproofness underground voltage regulating station.
Background technique
With the development of society, people increasingly pay attention to the construction of urban environment, since existing natural gas transportation equipment accounts for
Ground area is big, and high noise, risk is big, and infield is restricted, and has been difficult to meet the needs of Modernized City Construction；
And since climate warming, precipitation increase in recent years, urban waterlogging is generally existing, makes natural gas transportation equipment installation environment more
Badly.
In order to solve the lance between urban planning and natural gas transportation equipment under the installing environmental conditions deteriorated increasingly
Shield, designs that a kind of high-sealed underground voltage regulating station is extremely urgent, and high leakproofness underground voltage regulating station is set to underground, reduces and makes an uproar
Sound pollution, saves spatial surface, beautifies the environment, highly-safe, and resistance to rainwater impregnates, and has very high practical value.
In view of the demand, the present inventor is based on being engaged in such product engineering application practical experience and profession abundant for many years
Knowledge, and cooperate the utilization of scientific principle, actively it is subject to research and innovation, to found a kind of high leakproofness underground voltage regulating station, makes it more
With practicability.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of high leakproofness underground voltage regulating stations that can be resistant to rainwater immersion.
In order to achieve the above object, the technical scheme adopted by the invention is that: a kind of high leakproofness underground voltage regulating station, packet
Bracket, valve body and cabinet are included, for being supported to the cabinet, the internal stent is additionally provided with to be used for the cradle top
The cavity that the valve body is installed；
The on-off and circulating pressure that the valve body is used to circulate to fluid control, and top and the bottom plate of the cabinet are real
Existing face contact, and realized and fixed by fastener, sealing structure is provided at the face contact position；The control terminal of the valve body
In the cabinet, it is provided with case lid at the top of the cabinet, face contact is equally realized between the cabinet and cabinet, and described
Sealing structure, the cabinet and cabinet is provided at face contact position to lock by dense block.
Further, the valve inner is disposed with disconnecting device and regulator, the two along fluid circulating direction
By connecting tube connection, the disconnecting device is controlled by being located at the internal cutting off valve of the cabinet, and the regulator is logical
It crosses and is controlled positioned at the cabinet internal pressure-regulating valve.
Further, the valve body is set on the direction that the fluid circulates positioned at the front and back end of the pressure regulator valve respectively
Two pressure gauges are equipped with, two pressure gauges are set in the cabinet, are respectively used to the high pressure and low pressure progress before and after pressure regulation
Display.
Further, be provided with diffusion valve on the escape pipe of the regulator connection, the diffusion valve is set to institute
It states in cabinet, the diffusion valve is for controlling the outlet pressure upper limit value of voltage regulating station.
Further, the disconnecting device includes filter core supporting plate, cutting cylinder, cutting air inlet pipe and filter core, the cutting cylinder
Block up and down, the filter core supporting plate be used for by the cutting cylinder be divided into up and down two cutting chambers, two cutting chambers pass through cut off into
Tracheae connection, the filter core are installed on the filter core supporting plate, are filtered before fluid reaches the stop valve to it.
Further, be provided with differential pressure gauge in the cabinet, the differential pressure gauge respectively in the filter core with the cutting
Between air inlet pipe space and air inlet pipe and the filter core it is outer between the pressure difference in space measure and show.
Further, the pressure gauge is connect with pressure transmitter, and the pressure transmitter is for converting pressure signal
For electric signal.
Further, the dense block includes lock cylinder, lock core, jam plate, locking bar, sliding block and fixed block；
The lock cylinder is fixedly connected with the top of the box door-plate, is provided with the cavity placed to the lock core, described
Outer wall of lock core is the cylindrical structure for being bonded setting with the cavity inner wall, and the jam plate is bonded with the lock cylinder bottom, and with
The lock core rotation, the both ends of the locking bar are hinged with the jam plate and sliding block respectively, the fixed block and the top door-plate
It is fixedly connected, is provided with the slideway for being oriented to the sliding block, the sliding block is in the jam plate with the lock core
During rotation, the slideway described in the promotion lower edge of the locking bar moves along a straight line；
Wherein, the slider top is provided with slope structure, and the slope structure is used for the chassis body edge to the cabinet
The convex edge bottom of place setting is squeezed, so that fitting closely at the top of the top door-plate and the convex edge.
Further, at least sealing ring together is provided between the outer wall of lock core and the cavity inner wall.
Through the above technical solutions, the beneficial effects of the present invention are:
High leakproofness underground voltage regulating station in the present invention effectively prevent rainwater from case by the sealing structure between case lid and cabinet
Enter in cabinet at the top of body, while by the sealing structure between body top and box baseplate, can avoid underground water from cabinet bottom
Portion enters in cabinet, so as to form the space of high leakproofness, is sealed protection to structures such as each instrument and control valves,
The reliability of combustion gas transport and control is effectively ensured.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of high leakproofness underground voltage regulating station structural schematic diagram of the present invention.
Fig. 2 is a kind of high leakproofness underground voltage regulating station top view；
Fig. 3 is structural schematic diagram of the dense block in the case where releasing locking state；
Fig. 4 is the cross-sectional view after dense block is connect with top door-plate；
Attached meaning marked in the figure is as follows:
It is bracket 1, convex edge 121, top door-plate 122, cutting cylinder 5, cutting air inlet pipe 6, filter core supporting plate 7, air inlet pipe 8, filter core 9, interior
Stop valve 11, case lid 14, dense block 15, lock cylinder 151, lock core 152, jam plate 153, locking bar 154, sliding block 155, is fixed cabinet 12
Block 156, sealing ring 157, pressure regulator valve 16, escape pipe 18, differential pressure gauge 19, valve body 2, pressure gauge 20, diffusion valve 23, pressure transmitter
24。
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
A kind of high leakproofness underground voltage regulating station, including bracket 1, valve body 2 and cabinet 12, for being carried out to cabinet 12 at the top of bracket 1
It supports, the cavity for being installed to valve body 2 is additionally provided with inside bracket 1；The on-off that valve body 2 is used to circulate to fluid with
Circulating pressure is controlled, and the bottom plate of top and cabinet 12 realizes face contact, and is realized and fixed by fastener, face contact position
The place of setting is provided with sealing structure；The control terminal of valve body 2 is located in cabinet 12, and the top of cabinet 12 is provided with case lid 14, case lid 14
Face contact is equally realized between cabinet 12, and is provided with sealing structure at face contact position, and case lid 14 and cabinet 12 pass through sealing
15 locking of lock；Above-mentioned high leakproofness underground voltage regulating station effectively prevent rainwater certainly by the sealing structure between case lid 14 and cabinet 12
Enter in cabinet 12 at the top of cabinet 12, while by the sealing structure between 2 top of valve body and 12 bottom plate of cabinet, can avoid underground water
Enter in cabinet from 2 bottom of cabinet, so as to form the space of high leakproofness, the structures such as each instrument and control valve are carried out
The reliability of combustion gas transport and control is effectively ensured in seal protection.
Wherein, it is disposed with disconnecting device and regulator along fluid circulating direction inside valve body 2, the two passes through connection
4 connection of pipe, disconnecting device are controlled by being located at the internal cutting off valve 11 of cabinet 12, and regulator is by being located in cabinet 12
Pressure regulator valve 16 is controlled, meanwhile, and it is provided with diffusion valve 23 on the escape pipe 18 of regulator connection, diffusion valve 23 is set to
In cabinet 12, diffusion valve 23 is for controlling the outlet pressure upper limit value of voltage regulating station.
When in use, combustion gas enters disconnecting device by air inlet pipe 8, by connecting tube 4 for above-mentioned high leakproofness underground voltage regulating station
Into regulator, user is finally sent to by escape pipe 18, wherein combustion gas output pressure is controlled by regulator；Work as escape pipe
18 gas pressures are higher than user and need pressure, and diffusion valve 23, which starts, simultaneously deflates, and when 18 pressure of escape pipe continues to increase, reach cutting
11 cut-out pressure of valve, stop valve 11 start and cut off, and stop valve 11, pressure regulator valve 16, diffusion valve 23 are all set in cabinet 12, and
Stop valve 11 enables diffusion valve 23 to protect pressure regulator valve 16 and put in 16 upstream of pressure regulator valve, pressure regulator valve 16 in 23 upstream of diffusion valve
Valve 23 is dissipated from the damage of upstream pressure, and downstream pipe pressure after enabling diffusion valve 23 to correct pressure regulator valve pressure regulation is led to
Above-mentioned control mode is crossed, so that the safety of entire high leakproofness underground voltage regulating station is effectively promoted.
Embodiment two
A kind of high leakproofness underground voltage regulating station, including bracket 1, valve body 2 and cabinet 12, for being carried out to cabinet 12 at the top of bracket 1
It supports, the cavity for being installed to valve body 2 is additionally provided with inside bracket 1；The on-off that valve body 2 is used to circulate to fluid with
Circulating pressure is controlled, and the bottom plate of top and cabinet 12 realizes face contact, and is realized and fixed by fastener, face contact position
The place of setting is provided with sealing structure；The control terminal of valve body 2 is located in cabinet 12, and the top of cabinet 12 is provided with case lid 14, case lid 14
Face contact is equally realized between cabinet 12, and is provided with sealing structure at face contact position, and case lid 14 and cabinet 12 pass through sealing
15 locking of lock.It is disposed with disconnecting device and regulator along fluid circulating direction inside valve body 2, the two passes through connecting tube 4
Connection, disconnecting device are controlled by being located at the internal cutting off valve 11 of cabinet 12, and regulator passes through the tune in cabinet 12
Pressure valve 16 is controlled.
Valve body 2 is respectively arranged with two pressure gauges 20, two pressures on the direction that fluid circulates, positioned at the front and back end of pressure regulator valve 16
Power table 20 is set in cabinet 12, be respectively used to before and after pressure regulation high pressure and low pressure show, wherein pressure gauge 20
It is connect with pressure transmitter 24, pressure transmitter 24 is used to pressure signal being converted to electric signal, to be transmitted through the cable to
Monitoring outlay realizes the long-range monitoring of underground voltage regulating station inlet and outlet pressure；Disconnecting device includes filter core supporting plate 7, cutting cylinder
5, air inlet pipe 6 and filter core 9 are cut off, about 5 cylinder of cutting blocks, and filter core supporting plate 7 is divided into two cutting up and down for that will cut off cylinder 5
Chamber, two cutting chambers are installed on filter core supporting plate 7 by cutting 6 connection of air inlet pipe, filter core 9, right before fluid reaches stop valve 11
It is filtered, and is provided with differential pressure gauge 19 in cabinet 12, differential pressure gauge 19 respectively in filter core 9 between cutting air inlet pipe 6 space,
And air inlet pipe 8 and filter core 9 it is outer between the pressure difference in space measure and show, 9 front and back of filter core can determine whether by above-mentioned pressure difference
Pressure, need to clear up to judge whether filter core 9 has blocked, pressure gauge 20 and differential pressure gauge 19 connect with pressure transmitter 24
It connects, pressure transmitter 24 is used to pressure signal being converted to electric signal.
In above-described embodiment, guarantee entirely descend voltage regulating station leakproofness while, it can be achieved that entirely voltage regulating station it is long-range
Control, is acquired control parameter by each instrument, equipment reliability of operation and timeliness has been effectively ensured.
Embodiment three
A kind of high leakproofness underground voltage regulating station, including bracket 1, valve body 2 and cabinet 12, for being carried out to cabinet 12 at the top of bracket 1
It supports, the cavity for being installed to valve body 2 is additionally provided with inside bracket 1；The on-off that valve body 2 is used to circulate to fluid with
Circulating pressure is controlled, and the bottom plate of top and cabinet 12 realizes face contact, and is realized and fixed by fastener, face contact position
The place of setting is provided with sealing structure；The control terminal of valve body 2 is located in cabinet 12, and the top of cabinet 12 is provided with case lid 14, case lid 14
Face contact is equally realized between cabinet 12, and is provided with sealing structure at face contact position, and case lid 14 and cabinet 12 pass through sealing
15 locking of lock.
Specifically, dense block 15 includes lock cylinder 151, lock core 152, jam plate 153, locking bar 154, sliding block 155 and fixed block
156；Lock cylinder 151 is fixedly connected with 12 top door-plate 122 of cabinet, is provided with the cavity placed to lock core 152, lock core
152 outer walls are the cylindrical structure for being bonded setting with cavity inner wall, and jam plate 153 is bonded with 151 bottom of lock cylinder, and with lock core 152
Rotation, the both ends of locking bar 154 are hinged with jam plate 153 and sliding block 155 respectively, and fixed block 156 is fixedly connected with top door-plate, thereon
It is provided with the slideway for being oriented to sliding block 155, sliding block 155 is being locked during jam plate 153 is rotated with lock core 152
It moves along a straight line under the promotion of bar 154 along slideway；Wherein, be provided with slope structure at the top of sliding block 155, slope structure for pair
121 bottom of convex edge set by the chassis body edge of cabinet 12 is squeezed, so that top door-plate and convex edge 121 are pushed up
Portion fits closely；Two seals 157 are provided between 152 outer wall of lock core and cavity inner wall.
For above-mentioned dense block in use, with key rotation lock core 152, lock core 152 drives jam plate 153 to rotate, and jam plate 153 pushes and pulls
Locking bar 154, locking bar 154 push and pull sliding block 155, and sliding block 155 slides in the slideway of fixed block 156, when locking bar 154 pushes sliding block
155 when skidding off 156 slideway of fixed block, and slope structure squeezes 121 bottom of convex edge, achievees the purpose that locking, wherein sliding block
155 length stretched out are longer, then slope structure is bigger to the extruding force of convex edge 121, then locks more reliable, and leakproofness is better；When
When locking bar 154 pulls sliding block 155 to slide to the slideway of fixed block 156, sliding block 155 reaches opening sealing far from convex edge convex edge 121
The purpose of equipment, above-mentioned prioritization scheme can prevent artificial malicious sabotage.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of high leakproofness underground voltage regulating station, which is characterized in that including bracket (1), valve body (2) and cabinet (12), the branch
For being supported to the cabinet (12) at the top of frame (1), it is additionally provided with inside the bracket (1) for the valve body (2)
The cavity installed；
The on-off and circulating pressure that the valve body (2) is used to circulate to fluid control, top and the cabinet (12)
Bottom plate realize face contact, and fixation is realized by fastener, is provided with sealing structure at the face contact position；The valve body
(2) control terminal is located in the cabinet (12), is provided with case lid (14) at the top of the cabinet (12), the case lid (14) with
Face contact is equally realized between cabinet (12), and sealing structure is provided at the face contact position, the case lid (14) and cabinet
(12) it is locked by dense block (15).
2. high leakproofness underground voltage regulating station according to claim 1, which is characterized in that the valve body (2) is internal along fluid
Circulating direction is disposed with disconnecting device and regulator, and the two passes through position by connecting tube (4) connection, the disconnecting device
It is controlled in the internal cutting off valve (11) of the cabinet (12), the regulator passes through the tune in the cabinet (12)
Pressure valve (16) is controlled.
3. high leakproofness underground voltage regulating station according to claim 2, which is characterized in that the valve body (2) is in the fluid
On the direction of circulation, the front and back end for being located at the pressure regulator valve (16) is respectively arranged with two pressure gauges (20), and two pressure gauges (20) are set
Be placed in the cabinet (12), be respectively used to before and after pressure regulation high pressure and low pressure show.
4. high leakproofness underground voltage regulating station according to claim 2, which is characterized in that with going out for the regulator connection
It is provided on tracheae (18) diffusion valve (23), the diffusion valve (23) is set in the cabinet (12), the diffusion valve (23)
It is controlled for the outlet pressure upper limit value to voltage regulating station.
5. high leakproofness underground voltage regulating station according to claim 2, which is characterized in that the disconnecting device includes filter core support
Plate (7), cutting cylinder (5), cutting air inlet pipe (6) and filter core (9), the cutting cylinder (5) block up and down, the filter core supporting plate
(7) for the cutting cylinder (5) to be divided into two cutting chamber up and down, two cutting chambers are described by cutting air inlet pipe (6) connection
Filter core (9) is installed on the filter core supporting plate (7), is filtered before fluid reaches the stop valve (11) to it.
6. high leakproofness underground voltage regulating station according to claim 5, which is characterized in that be provided with difference in the cabinet (12)
It presses table (19), the differential pressure gauge (19) is respectively to the interior space between the cutting air inlet pipe (6) of the filter core (9), Yi Jijin
Tracheae (8) and the filter core (9) outside between the pressure difference in space measure and show.
7. high leakproofness underground voltage regulating station according to claim 3, which is characterized in that the pressure gauge (20) and pressure become
Device (24) are sent to connect, the pressure transmitter (24) is used to pressure signal being converted to electric signal.
8. high leakproofness underground voltage regulating station according to claim 6, which is characterized in that the differential pressure gauge (19) and pressure
Transmitter (24) connection, the pressure transmitter (24) are used to pressure signal being converted to electric signal.
9. high leakproofness underground voltage regulating station according to claim 1, which is characterized in that the dense block (15) includes lock cylinder
(151), lock core (152), jam plate (153), locking bar (154), sliding block (155) and fixed block (156)；
The lock cylinder (151) is fixedly connected with door-plate (122) at the top of the cabinet (12), is provided with to the lock core (152)
The cavity placed, lock core (152) outer wall are the cylindrical structure for being bonded setting, the jam plate with the cavity inner wall
(153) be bonded with the lock cylinder (151) bottom, and with the lock core (152) rotate, the both ends of the locking bar (154) respectively with
Hingedly, the fixed block (156) is fixedly connected with the top door-plate (122), thereon for the jam plate (153) and sliding block (155)
It is provided with the slideway for being oriented to the sliding block (155), the sliding block (155) is in the jam plate (153) with the lock
During core (152) rotates, the slideway described in the promotion lower edge of the locking bar (154) moves along a straight line；
Wherein, slope structure is provided at the top of the sliding block (155), the slope structure is used for the frame to the cabinet (12)
Convex edge (121) bottom being arranged at body rim is squeezed, so that the top door-plate and the convex edge (121) are pushed up
Portion fits closely.
10. high leakproofness underground voltage regulating station according to claim 9, which is characterized in that lock core (152) outer wall and institute
It states and is provided at least one of sealing ring (157) between cavity inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360844.1A CN109253395A (en) | 2018-11-15 | 2018-11-15 | A kind of high leakproofness underground voltage regulating station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360844.1A CN109253395A (en) | 2018-11-15 | 2018-11-15 | A kind of high leakproofness underground voltage regulating station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253395A true CN109253395A (en) | 2019-01-22 |
Family
ID=65043333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811360844.1A Pending CN109253395A (en) | 2018-11-15 | 2018-11-15 | A kind of high leakproofness underground voltage regulating station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253395A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870363A (en) * | 2019-01-30 | 2019-06-11 | 重庆瑞力比燃气设备有限责任公司 | A kind of pressure-measuring method and pressure testing system |
| CN114060726A (en) * | 2021-11-16 | 2022-02-18 | 浙江苍南仪表集团东星能源科技有限公司 | Gas pressure regulating system |
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| CN2864019Y (en) * | 2005-12-19 | 2007-01-31 | 四川省永亨实业有限责任公司 | File cabinet used lock |
| KR20120094328A (en) * | 2011-02-16 | 2012-08-24 | 주식회사화성인더스트리 | Burying type gas pressure regulator |
| CN202561168U (en) * | 2012-05-07 | 2012-11-28 | 黄金萍 | Intelligent underground pressure regulation device for gas |
| CN103195307A (en) * | 2012-01-09 | 2013-07-10 | 韩润喜 | Anti-theft lock for lamp post and electric appliance door of street lamp |
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| CN107916848A (en) * | 2017-12-26 | 2018-04-17 | 中车长江车辆有限公司 | Container door lock |
| CN108253300A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Underground pressure regulating box |
| CN108253293A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Gas underground pressure regulator |
| CN209026522U (en) * | 2018-11-15 | 2019-06-25 | 特瑞斯能源装备股份有限公司 | A kind of high leakproofness underground voltage regulating station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2361781Y (en) * | 1999-04-14 | 2000-02-02 | 楚界有 | Locking bar adjustable lock for cabinet door |
| CN2864019Y (en) * | 2005-12-19 | 2007-01-31 | 四川省永亨实业有限责任公司 | File cabinet used lock |
| KR20120094328A (en) * | 2011-02-16 | 2012-08-24 | 주식회사화성인더스트리 | Burying type gas pressure regulator |
| CN103195307A (en) * | 2012-01-09 | 2013-07-10 | 韩润喜 | Anti-theft lock for lamp post and electric appliance door of street lamp |
| CN202561168U (en) * | 2012-05-07 | 2012-11-28 | 黄金萍 | Intelligent underground pressure regulation device for gas |
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| CN108253293A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Gas underground pressure regulator |
| CN107916848A (en) * | 2017-12-26 | 2018-04-17 | 中车长江车辆有限公司 | Container door lock |
| CN209026522U (en) * | 2018-11-15 | 2019-06-25 | 特瑞斯能源装备股份有限公司 | A kind of high leakproofness underground voltage regulating station |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870363A (en) * | 2019-01-30 | 2019-06-11 | 重庆瑞力比燃气设备有限责任公司 | A kind of pressure-measuring method and pressure testing system |
| CN114060726A (en) * | 2021-11-16 | 2022-02-18 | 浙江苍南仪表集团东星能源科技有限公司 | Gas pressure regulating system |
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