CN214784547U - Municipal construction is access hole locking device for plumbing - Google Patents
Municipal construction is access hole locking device for plumbing Download PDFInfo
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- CN214784547U CN214784547U CN202120483242.6U CN202120483242U CN214784547U CN 214784547 U CN214784547 U CN 214784547U CN 202120483242 U CN202120483242 U CN 202120483242U CN 214784547 U CN214784547 U CN 214784547U
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000009428 plumbing Methods 0.000 title abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 206010066054 Dysmorphism Diseases 0.000 abstract description 25
- 230000033001 locomotion Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Abstract
The utility model discloses a municipal construction is access hole locking device for plumbing relates to municipal drainage equipment technical field, including annular base, kayser mechanism, telescopic machanism, annular base's inner wall bottom is provided with the spacing ring piece, the inside spacing ring piece top that is located of annular base is provided with ring groove, the well lid has been cup jointed on the top that the inner wall of annular base is located the spacing ring piece. The utility model discloses a set up annular base, spacing ring piece, ring groove, well lid, dysmorphism lift groove, rotate groove, flexible slotted hole, turning block, dysmorphism and accomodate groove, lift slotted hole, connecting block, dead lever, transfer line, connecting rod, flexible fixture block can realize the fixed connection of well lid and annular base, accomodate the groove through setting up dysmorphism lift groove, dysmorphism and can avoid the non-staff to dismantle the operation to the well lid, can effectively improve the security of access hole.
Description
Technical Field
The utility model relates to a municipal drainage equipment technical field specifically is a maintenance mouth locking device for municipal construction plumbing.
Background
Municipal administration water supply and drainage system need cooperate water pump and pipeline to use, and water pump and pipeline are all laid underground, for the convenience overhauls the water pump, can build the pump well that leads to ground usually, and the pump well head can be equipped with maintenance mouth locking device, avoids the object to drop and pounces bad pump well.
Present municipal administration is access hole locking device for drainage system, often people can directly open the access hole, and non-staff can get into the pump well at will and destroy the water pump, can lead to whole municipal administration drainage system's paralysis, is unfavorable for municipal drainage system's normal operating.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the drainage access hole is easily opened by non-working personnel, the access hole locking device for municipal construction water supply and drainage is provided.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a municipal construction is access hole locking device for plumbing, includes annular base, kayser mechanism, telescopic machanism, annular base's inner wall bottom is provided with the spacing ring piece, the inside spacing ring piece top that is located of annular base is provided with ring groove, the well lid has been cup jointed on the top that the inner wall of annular base is located the spacing ring piece, the top of well lid is provided with special-shaped lift groove, the bottom that the well lid is located special-shaped lift groove is provided with rotates the groove, the outer wall both sides of well lid are provided with flexible slotted hole, kayser mechanism is located and rotates inside and the bottom of running through to the well lid of groove, telescopic machanism is located special-shaped lift inslot portion and runs through to rotate the inslot portion and be connected with kayser mechanism.
As a further aspect of the present invention: the clamping mechanism comprises a rotating block, a connecting block, a fixing rod, a transmission rod, a connecting rod and a telescopic fixture block, wherein the rotating block is mutually sleeved with the inner wall of a rotating groove, the connecting block is located at the bottom end of the rotating block and penetrates through the bottom end of the rotating groove to the well cover to be connected with the fixing rod, the fixing rod is located at the two ends of the outer wall of the connecting block, the transmission rod is rotatably connected with one end of the fixing rod far away from the connecting block, the connecting rod is located at one end of the transmission rod far away from the fixing rod, the telescopic fixture block is located inside a telescopic groove hole, the top end of the connecting rod penetrates through the inside of the telescopic groove hole to be rotatably connected with the telescopic fixture block, the top end of the rotating block is provided with a special-shaped accommodating groove, and the bottom end of the inner wall of the special-shaped accommodating groove is provided with a lifting groove hole.
As a further aspect of the present invention: telescopic machanism includes dysmorphism piece, spliced pole, spacing slider and expanding spring, the dysmorphism piece cup joints each other with the inner wall in dysmorphism lift groove, spliced pole, expanding spring are located the bottom of dysmorphism piece, expanding spring's inner wall cup joints each other with the outer wall of spliced pole, spacing slider is located the lift slotted hole inside, the bottom of spliced pole is run through special-shaped lift groove and is extended to run through the dysmorphism and accomodate the groove to the lift slotted hole inside be connected with spacing slider's top, expanding spring's bottom and the laminating of the inner wall bottom in special-shaped groove of accomodating mutually.
As a further aspect of the present invention: the bottom of well lid laminates with the top of spacing ring piece each other, the one end of flexible fixture block is run through flexible slotted hole and is cup jointed each other with ring groove's inner wall to the outside of well lid, the other end of flexible fixture block runs through flexible slotted hole and laminates mutually with dysmorphism piece outer wall side to dysmorphism lifting groove inside.
As a further aspect of the present invention: the outer wall of dysmorphism piece and the inner wall phase-match of groove is accomodate to dysmorphism lift groove, dysmorphism, the inner wall degree of depth in groove is accomodate to the dysmorphism is greater than the outer wall height of dysmorphism piece.
As a further aspect of the present invention: the outer wall diameter of connecting rod is less than the outer wall diameter of flexible fixture block, the outer wall diameter of flexible fixture block and the inner wall diameter phase-match of flexible slotted hole, flexible slotted hole bottom be provided with connecting rod outer wall diameter assorted spout.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the well lid fixing device is characterized in that the annular base, the limiting ring block, the annular clamping groove, the well lid, the special-shaped lifting groove, the rotating groove, the telescopic groove hole, the rotating block, the special-shaped accommodating groove, the lifting groove hole, the connecting block, the fixing rod, the transmission rod, the connecting rod and the telescopic fixture block are arranged, so that the fixed connection between the well lid and the annular base can be realized, the well lid can be fixed through the mutual sleeving of the telescopic fixture block and the annular clamping groove, and the telescopic motion of the telescopic fixture block can be realized through the transmission of the connecting block, the fixing rod, the transmission rod and the connecting rod when the rotating block rotates, so that the rapid disassembly and installation of the well lid can be realized, the disassembly operation of non-workers on the well lid can be avoided through the arrangement of the special-shaped lifting groove and the special-shaped accommodating groove, and the safety of an overhaul port can be effectively improved;
2. through setting up the well lid, dysmorphism lift groove, the rotation groove, flexible slotted hole, the turning block, the groove is accomodate to the dysmorphism, the lift slotted hole, the connecting block, the dead lever, the transfer line, the connecting rod, flexible fixture block, dysmorphism piece, the spliced pole, spacing slider, expanding spring can effectively avoid the well lid to take place not hard up phenomenon, can avoid flexible fixture block to get into special-shaped lift inslot through dysmorphism piece, thereby avoided the well lid to take place not hard up phenomenon in the use, dysmorphism piece passes through the spliced pole, spacing slider, up-and-down motion can be realized in mutually supporting of expanding spring and lift slotted hole, thereby can realize the quick dismantlement of well lid.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional exploded view of the structure of the present invention;
FIG. 3 is an enlarged view of the position A of the present invention;
FIG. 4 is a cross-sectional exploded view of the well lid, the locking mechanism and the telescoping mechanism of the present invention;
FIG. 5 is an enlarged view of the position B of the present invention;
fig. 6 is an enlarged view of the position C of the present invention.
In the figure: 1. an annular base; 101. a limit ring block; 102. an annular neck; 2. a well cover; 201. a special-shaped lifting groove; 202. a rotating groove; 203. a telescopic slot hole; 3. a latch mechanism; 301. rotating the block; 3011. a special-shaped receiving groove; 3012. lifting slotted holes; 302. connecting blocks; 303. fixing the rod; 304. a transmission rod; 305. a connecting rod; 306. a telescopic clamping block; 4. a telescoping mechanism; 401. a shaped block; 402. connecting columns; 403. a limiting slide block; 404. a telescoping spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.
Please refer to fig. 1-6, in the embodiment of the utility model, an inspection hole locking device for municipal construction plumbing, including annular base 1, latch mechanism 3, telescopic machanism 4, annular base 1's inner wall bottom is provided with spacing ring piece 101, annular base 1 is inside to be located spacing ring piece 101 top and be provided with ring groove 102, well lid 2 has been cup jointed to annular base 1's inner wall position on spacing ring piece 101's top, well lid 2's top is provided with dysmorphism lift groove 201, well lid 2 is located the bottom of dysmorphism lift groove 201 and is provided with rotation groove 202, well lid 2's outer wall both sides are provided with flexible slotted hole 203, latch mechanism 3 is located rotation groove 202, the inside bottom that runs through to well lid 2 of flexible slotted hole 203, telescopic machanism 4 is located dysmorphism lift inslot 201 and runs through to rotate inslot 202 inside and be connected with latch mechanism 3.
Please refer to fig. 2-6, the locking mechanism 3 includes a rotation block 301, a connection block 302, a fixing rod 303, a transmission rod 304, a connection rod 305 and a retractable latch 306, the rotation block 301 and the inner wall of the rotation groove 202 are sleeved with each other, the connection block 302 is located at the bottom end of the rotation block 301 and penetrates through the rotation groove 202 to the bottom end of the manhole cover 2 to be connected with the fixing rod 303, the fixing rod 303 is located at the two ends of the outer wall of the connection block 302, the transmission rod 304 and the fixing rod 303 are rotatably connected with one end far away from the connection block 302, the connection rod 305 is located at one end far away from the fixing rod 303 of the transmission rod 304, the retractable latch 306 is located inside the retractable slot 203, the top end of the connection rod 305 penetrates through the inside the retractable slot 203 to be rotatably connected with the retractable latch 306, the top end of the rotation block 301 is provided with a special-shaped accommodation groove 3011, the bottom end of the inner wall of the special-shaped accommodation groove 3011 is provided with a lifting slot 3012, the manhole cover 2 can be quickly connected and fixed with the annular base 1 by the locking mechanism 3, the installation and the dismantlement work efficiency of well lid 2 can be effectively improved.
Please refer to fig. 4-5 heavily, the telescoping mechanism 4 includes a special-shaped block 401, a connection column 402, a limit slider 403 and a telescopic spring 404, the special-shaped block 401 is sleeved with the inner wall of the special-shaped lifting slot 201, the connection column 402 and the telescopic spring 404 are located at the bottom end of the special-shaped block 401, the inner wall of the telescopic spring 404 is sleeved with the outer wall of the connection column 402, the limit slider 403 is located inside the lifting slot hole 3012, the bottom end of the connection column 402 penetrates through the special-shaped lifting slot 201 and extends through the special-shaped accommodating slot 3011 to the inside of the lifting slot hole 3012 to be connected with the top end of the limit slider 403, the bottom end of the telescopic spring 404 is attached to the bottom end of the inner wall of the special-shaped accommodating slot 3011, the non-working personnel can be effectively prevented from opening the well lid 2 by the telescoping mechanism 4, and the use safety performance of the well lid 2 can be effectively improved by the mutual cooperation of the telescoping mechanism 4 and the locking mechanism 3.
Please refer to fig. 2 to 5, the bottom end of the well lid 2 is attached to the top end of the limiting ring block 101, one end of the retractable clamping block 306 penetrates through the retractable slot 203 to the outside of the well lid 2 and is sleeved with the inner wall of the ring groove 102, the other end of the retractable clamping block 306 penetrates through the retractable slot 203 to the inside of the special-shaped lifting groove 201 and is attached to the side surface of the outer wall of the special-shaped block 401, the well lid 2 can be supported and fixed by the limiting ring block 101, and the well lid 2 and the ring groove 1 can be connected to each other by the retractable clamping block 306 and the ring groove 102.
Please refer to fig. 5, the outer wall of the special-shaped block 401 is matched with the inner walls of the special-shaped lifting slot 201 and the special-shaped accommodating slot 3011, the depth of the inner wall of the special-shaped accommodating slot 3011 is greater than the height of the outer wall of the special-shaped block 401, and the special-shaped block 401 can be retracted to the bottom end of the inner wall of the special-shaped accommodating slot 3011 through the structure.
Please refer to fig. 6, the diameter of the outer wall of the connecting rod 305 is smaller than the diameter of the outer wall of the telescopic latch 306, the diameter of the outer wall of the telescopic latch 306 matches with the diameter of the inner wall of the telescopic slot 203, the bottom end of the telescopic slot 203 is provided with a chute matching with the diameter of the outer wall of the connecting rod 305, and the telescopic movement of the telescopic latch 306 can be realized by the connecting rod 305 moving along the inner wall track of the chute.
The utility model discloses a theory of operation is: when the access hole locking device for municipal construction water supply and drainage is used, the annular base 1 is firstly installed above a well, then the well lid 2 is installed inside the annular base 1, the inner walls of the well lid 2 and the annular base 1 are mutually sleeved and attached to the top end of the limit ring block 101, the well lid 2 can be supported by the limit ring block 101, the well lid 2 is prevented from falling into the well, in the installation process of the well lid 2, a specially-made external tool is required to be used for auxiliary installation, the bottom end of an external tool is provided with a clamping block matched with the inner wall of the special-shaped lifting groove 201, when the well lid 2 is installed, the clamping block at the bottom end of the external tool is firstly inserted by aligning the clamping block at the bottom end of the external tool to the special-shaped lifting groove 201 at the top end of the well lid 2, the external tool can push the special-shaped block 401 to move downwards along the inner wall of the special-shaped lifting groove 201, and the special-shaped block 401 can move to the inside the special-shaped receiving groove 3011 at the top end of the rotating block 301, when the special-shaped block 401 completely moves into the special-shaped receiving groove 3011, the fixture block at the bottom end of the external tool and the inner wall of the special-shaped receiving groove 3011 are in a sleeved state, the top end of the fixture block and the top end of the rotating block 301 are in a horizontal state, the extension spring 404 is pressed by the special-shaped block 401 to be in a compressed state, then the external tool is rotated, the external tool can drive the rotating block 301 to rotate together through the fixture block, the rotating block 301 can drive the extension fixture block 306 to perform extension and retraction movement along the inner wall of the extension slot 203 through the connecting block 302, the fixing rod 303, the transmission rod 304 and the connecting rod 305, when one end of the extension fixture block 306 is completely retracted into the extension slot 203, the other end of the extension fixture block 306 can enter the special-shaped lifting groove 201, the fixture block at the bottom end of the external tool and the special-shaped lifting groove 201 are mutually staggered, at this time, the well lid 2 can be lifted by the external tool and movably mounted inside the annular base 1, the structure can also prevent an external tool from falling off in the installation process of the well lid 2, the external tool can be rotated reversely after the well lid 2 is placed above the limit ring block 101, the external tool can drive the rotating block 301 to rotate reversely, so that one end of the telescopic clamping block 306 extends out of the telescopic slot 203, the telescopic clamping block 306 can enter the annular clamping groove 102 and is mutually sleeved with the annular clamping groove 102, the other end of the telescopic clamping block 306 can also enter the telescopic slot 203 from the special-shaped lifting groove 201 at the moment, the fixed connection between the well lid 2 and the annular base 1 can be realized through the mutual sleeving between the telescopic clamping block 306 and the annular clamping groove 102, finally the external tool is taken out of the special-shaped lifting groove 201, at the moment, the special-shaped block 401 can move upwards along the inner wall of the special-shaped accommodating groove 3011 to the inside of the special-shaped lifting groove 201 under the action of the telescopic spring 404, the top end of the special-shaped block 401 can be flush with the top end of the well lid 2, the outer wall side of dysmorphism piece 401 can laminate with the terminal surface of flexible fixture block 306 one end, can avoid flexible fixture block 306 to take place not hard up phenomenon through this structure to effectively improve the safety in utilization of well lid, when needs are overhauld, can dismantle the operation to well lid 2 through specific external tool once more, its operation method is the same with the mounting method of well lid 2, can realize the quick dismantlement of well lid 2, can effectively improve the work efficiency that the drainage was overhauld.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A maintenance opening locking device for municipal construction water supply and drainage comprises an annular base (1), a locking mechanism (3) and a telescopic mechanism (4), and is characterized in that a limiting ring block (101) is arranged at the bottom end of the inner wall of the annular base (1), an annular clamping groove (102) is formed in the annular base (1) and is located at the top end of the limiting ring block (101), a well lid (2) is sleeved on the top end of the inner wall of the annular base (1) and located at the limiting ring block (101), a special-shaped lifting groove (201) is formed in the top end of the well lid (2), a rotating groove (202) is formed in the bottom end of the special-shaped lifting groove (201), telescopic slotted holes (203) are formed in two sides of the outer wall of the well lid (2), and the locking mechanism (3) is located in the rotating groove (202) and the telescopic slotted holes (203) and penetrates through to the bottom end of the well lid (2), the telescopic mechanism (4) is located inside the special-shaped lifting groove (201) and penetrates into the rotating groove (202) to be connected with the locking mechanism (3).
2. The service hole locking device for municipal construction water supply and drainage as claimed in claim 1, wherein the latch mechanism (3) comprises a rotating block (301), a connecting block (302), a fixing rod (303), a transmission rod (304), a connecting rod (305) and a telescopic fixture block (306), the rotating block (301) and the inner wall of the rotating groove (202) are sleeved with each other, the connecting block (302) is located at the bottom end of the rotating block (301) and penetrates through the rotating groove (202) to the bottom end of the manhole cover (2) to be connected with the fixing rod (303), the fixing rod (303) is located at two ends of the outer wall of the connecting block (302), the transmission rod (304) is rotatably connected with one end of the fixing rod (303) far away from the connecting block (302), the connecting rod (305) is located at one end of the transmission rod (304) far away from the fixing rod (303), and the telescopic fixture block (306) is located inside the telescopic groove hole (203), the top end of the connecting rod (305) penetrates through the inside of the telescopic slotted hole (203) to be rotatably connected with the telescopic clamping block (306), the top end of the rotating block (301) is provided with a special-shaped accommodating groove (3011), and the bottom end of the inner wall of the special-shaped accommodating groove (3011) is provided with a lifting slotted hole (3012).
3. The service hole locking device for municipal construction water supply and drainage according to claim 1, the telescopic mechanism (4) comprises a special-shaped block (401), a connecting column (402), a limiting slide block (403) and a telescopic spring (404), the special-shaped block (401) is sleeved with the inner wall of the special-shaped lifting groove (201), the connecting column (402) and the telescopic spring (404) are positioned at the bottom end of the special-shaped block (401), the inner wall of the expansion spring (404) is sleeved with the outer wall of the connecting column (402), the limiting slide block (403) is positioned inside the lifting slotted hole (3012), the bottom end of the connecting column (402) penetrates through the special-shaped lifting groove (201) and extends through the special-shaped accommodating groove (3011) to the inside of the lifting slotted hole (3012) to be connected with the top end of the limiting slide block (403), the bottom end of the telescopic spring (404) is attached to the bottom end of the inner wall of the special-shaped accommodating groove (3011).
4. The inspection hole locking device for municipal construction water supply and drainage according to claim 2, wherein the bottom end of the well lid (2) is attached to the top end of the limit ring block (101), one end of the telescopic fixture block (306) penetrates through the telescopic slot hole (203) to the outside of the well lid (2) and is sleeved with the inner wall of the ring-shaped clamping groove (102), and the other end of the telescopic fixture block (306) penetrates through the telescopic slot hole (203) to the inside of the special-shaped lifting groove (201) and is attached to the side face of the outer wall of the special-shaped block (401).
5. The service hole locking device for municipal construction water supply and drainage according to claim 3, wherein the outer wall of the special-shaped block (401) is matched with the inner walls of the special-shaped lifting groove (201) and the special-shaped receiving groove (3011), and the depth of the inner wall of the special-shaped receiving groove (3011) is greater than the height of the outer wall of the special-shaped block (401).
6. The service hole locking device for municipal construction water supply and drainage as claimed in claim 2, wherein the diameter of the outer wall of the connecting rod (305) is smaller than that of the outer wall of the telescopic clamping block (306), the diameter of the outer wall of the telescopic clamping block (306) is matched with that of the inner wall of the telescopic slotted hole (203), and the bottom end of the telescopic slotted hole (203) is provided with a sliding groove matched with the diameter of the outer wall of the connecting rod (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120483242.6U CN214784547U (en) | 2021-03-05 | 2021-03-05 | Municipal construction is access hole locking device for plumbing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120483242.6U CN214784547U (en) | 2021-03-05 | 2021-03-05 | Municipal construction is access hole locking device for plumbing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214784547U true CN214784547U (en) | 2021-11-19 |
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ID=78755612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120483242.6U Active CN214784547U (en) | 2021-03-05 | 2021-03-05 | Municipal construction is access hole locking device for plumbing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214784547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188790A (en) * | 2023-10-24 | 2023-12-08 | 中国水利水电第一工程局有限公司 | Novel movable cantilever operation platform for lock chamber construction |
-
2021
- 2021-03-05 CN CN202120483242.6U patent/CN214784547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188790A (en) * | 2023-10-24 | 2023-12-08 | 中国水利水电第一工程局有限公司 | Novel movable cantilever operation platform for lock chamber construction |
| CN117188790B (en) * | 2023-10-24 | 2024-04-30 | 中国水利水电第一工程局有限公司 | Novel movable cantilever operation platform for lock chamber construction |
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Address after: 030032 No. 8, Xinhua Road, Tanghuai Industrial Park, Shanxi transformation and comprehensive reform demonstration zone, Taiyuan City, Shanxi Province Patentee after: Shanxi Installation Group Co.,Ltd. Address before: 030000 No.8 Xinhua Road, Taiyuan demonstration area, Shanxi Province Patentee before: SHANXI INDUSTRIAL EQUIPMENT INSTALLATION GROUP Co.,Ltd. |