CN212776715U - Periscope bearing structure and underground pipeline detection device - Google Patents
Periscope bearing structure and underground pipeline detection device Download PDFInfo
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- CN212776715U CN212776715U CN202021276801.8U CN202021276801U CN212776715U CN 212776715 U CN212776715 U CN 212776715U CN 202021276801 U CN202021276801 U CN 202021276801U CN 212776715 U CN212776715 U CN 212776715U
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Abstract
The utility model relates to a pipeline inspection field discloses a periscope bearing structure, include: the bottom of the telescopic rod is used for mounting a periscope, a locking groove is formed in the side face of the telescopic rod along the axis direction of the telescopic rod, and a plurality of horizontal first guide teeth are arranged in the locking groove along the axial direction of the telescopic rod; the supporting assembly comprises a supporting rod and a guide ring, one end of the supporting rod is connected with the guide ring, the other end of the supporting rod is used for supporting the ground, and the guide ring is sleeved on the telescopic rod; the locking assembly comprises a locking piece, and the locking piece is arranged on the inner wall of the guide ring and can be movably arranged between a first position and a second position of the guide ring in the radial direction. The utility model discloses a cooperation between the tooth is led to the second on the retaining member and the first tooth of leading on the telescopic link, when realizing that the telescopic link can freely remove, can also lock the position of telescopic link, makes things convenient for the on-the-spot measurement personnel to carry out pipeline inspection. The utility model also discloses an use above-mentioned periscope bearing structure's underground pipeline detection device.
Description
Technical Field
The utility model relates to a pipeline detection area indicates a periscope bearing structure and underground pipeline detection device especially.
Background
As shown in fig. 1 to 4, the periscope 1, as a quick detection device for pipeline visualization, is configured to place a camera at an opening of a pipeline 11 through high definition, and perform visual observation in the pipeline 11 through a form of a zoom (when a visual angle of the camera is at a central position of a section of the pipeline 11, an effect of the zoom is the best). Wherein the illumination lamp 18 is used for illuminating the duct 11 and the controller 19 is used for receiving the inspection picture from the periscope 1. The detection method has the characteristics of rapidness and simplicity, and is widely applied to short-distance pipeline 11 detection, such as residential drainage pipe network and municipal road rainwater connecting pipe 15 detection.
As shown in fig. 2, in the structural distribution of the drain well 9, there are several typical structural forms, respectively, a groove-type pipeline 17 of the sewage well 9, a sinking-well type pipeline 16 of the rain well 9, and a height drop of the rain water connecting pipe 15 and the municipal main pipeline 11. Wherein, the road surface 12 is arranged on the roadbed 13 at the lower part, and the well cover 10 is covered on the well 9. As shown in FIG. 3, during detection, according to the structural characteristics of the pipeline 11 to be detected, the height of the supporting rod 8 on one side of the periscope 1 is adjusted, so that the camera can stretch the pipeline 11 at a proper position to perform detection. The support rod 8 is used for stabilizing the device, because in the process of stretching the focal length, the image becomes large, the lens slightly shakes, and the detected picture can shake violently.
As shown in fig. 4, the rain water connecting pipe 15 is connected to a rain water falling port 14 on the road surface 12, and the rain water connecting pipe 15 is detected by a portable flight device during general detection due to the fact that the elevation of the pipeline 11 is high and has no supportable surface, the periscope 1 used generally has a certain weight, the whole machine is about 20 jin, the detection pipeline 11 is a portable device, and the pipeline 11 is detected by another person by means of stretching the focal length of the operation controller 19. For the pipes 11 having the structure of the grooved pipe 17, the support bars 8 can be inspected one by adjusting the appropriate height. However, for the pipeline 11 with the open caisson type pipeline 16 structure, because the falling bottom depths below the wells 9 are inconsistent during construction, when equipment is used, the height of the support rod 8 is often required to be adjusted, even if the depth of the falling bottom well is strictly controlled by a construction unit, the situation that garbage exists in the falling bottom well is inevitable, the support rod 8 cannot touch the bottom, the visual angle of a lens is not in the center position of the section of the pipeline 11, the equipment is required to be taken up to adjust the height of the support rod 8, the equipment is put down again for detection, and when the next pipeline 11 is detected, the step of adjusting the height of the support rod 8 is repeated.
Therefore, when the on-site detection is carried out, the detector usually withdraws the supporting rod 8 in order to accelerate the detection efficiency, neglects the existence of the supporting rod 8, and can screen the action in the process of zooming, so that the whole periscope 1 is emptied and held in the air and is kept still as much as possible. Although the progress is accelerated, the detection process is changed into physical activity, and continuous detection of detection personnel is very inconvenient, because the pipelines 11 to be detected are usually hundreds or even thousands of pipelines, and the equipment has certain weight. What is more important is that the portable equipment is difficult to avoid jitter, and the image jitter is caused, so that the overall detection quality is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a periscope bearing structure and underground pipeline detection device leads the first engaged state of leading the tooth on tooth and the telescopic link through the second of control retaining member for detection personnel can remove the telescopic link at any time, adjusts suitable position back at the telescopic link, alright support the telescopic link on the bottom surface through branch and guide ring, can make things convenient for detection personnel to detect the pipeline.
The utility model provides a technical scheme as follows:
in one aspect, there is provided a periscope support structure comprising:
the bottom of the telescopic rod is used for mounting a periscope, a locking groove is formed in the side face of the telescopic rod along the axis direction of the telescopic rod, and a plurality of horizontal first guide teeth are arranged in the locking groove along the axial direction of the telescopic rod;
the supporting assembly comprises a supporting rod and a guide ring, one end of the supporting rod is connected with the guide ring, the other end of the supporting rod is used for supporting the ground, and the guide ring is sleeved on the telescopic rod;
the locking assembly comprises a locking piece, the locking piece is arranged on the inner wall of the guide ring and can be movably arranged between a first position and a second position of the guide ring in the radial direction, and a plurality of horizontal second guide teeth are arranged on the surface of the locking piece along the axial direction of the telescopic rod;
when the locking piece is located at the first position, the second guide tooth is meshed with the first guide tooth to fix the telescopic rod on the guide ring;
when the locking member is located at the second position, the second guide teeth are disengaged from the first guide teeth.
In this scheme, lead the meshing of tooth and the first on the telescopic link through the second on the retaining member and be connected between leading the tooth, can lock the position of telescopic link, make the telescopic link can't reciprocate in leading the ring, when the retaining member is located the second position, the tooth is led to the second and the first tooth of leading is relieved the meshing, detection personnel can remove the telescopic link and adjust the periscope to suitable position, the back is accomplished in the adjustment, make the second lead the tooth and reengage with the first tooth of leading, can realize the locking of telescopic link, detection personnel have made things convenient for the observation position of detection personnel to the periscope to adjust.
Further preferably, the pedal rod is further included, the pedal rod is rotatably connected with the guide ring, one end of the pedal rod extends into the guide ring, the side, far away from the second guide teeth, of the locking piece is connected, the other end of the pedal rod extends out of the guide ring, and the locking piece can be driven to move from the first position to the second position.
In this scheme, the measurement personnel can drive the retaining member through the pedal pole, makes the retaining member remove to the second position from the primary importance to the tooth is led with the first tooth of leading of telescopic link to the second that makes the retaining member breaks away from the meshing, and then makes measurement personnel can freely remove the telescopic link, with the observation position of adjusting the periscope.
Further preferably, a pedal is arranged at one end of the pedal rod extending out of the guide ring.
In this scheme, the footboard can make things convenient for measurement personnel to step on the pedal rod, has improved the stability when measurement personnel step on the pedal rod.
Further preferably, locking Assembly still includes a plurality of elastic components, be provided with the mounting groove in leading the ring, the retaining member is installed in the mounting groove, the one end of elastic component with the mounting groove butt, the other end of elastic component with the retaining member is kept away from the one side butt of tooth is led to the second, makes the retaining member is in follow in the mounting groove lead the radial portable setting of ring.
In this scheme, the elastic component makes the retaining member can remove in the mounting groove of guide ring to can make the retaining member can follow the second position on the guide ring after removing and restore to the first position automatically.
Further preferably, the both sides wall protrusion that the relative setting of mounting groove was provided with location portion, the both sides wall protrusion that the retaining member set up relatively is provided with the bulge, the bulge of retaining member with location portion butt is used for the radial of leading ring is right the retaining member carries on spacingly.
In this scheme, through the butt between bulge and the location portion, inject the position of retaining member in the mounting groove.
Further preferably, the number of the elastic members is four, and the four elastic members are arranged on one side of the locking member in a rectangular shape.
In this scheme, four elastic component are the rectangle one side of the retaining member of arranging, can press the retaining member steadily to establish on location portion, prevent to lead the tooth and the first meshing effect of leading between the tooth because the vibration of leading the ring influences the second.
Further preferably, there are four of the support rods, and the four support rods are rotationally symmetrically arranged on the outer side of the guide ring.
In this scheme, four branches are rotational symmetry and set up in the outside of guide ring, can form effective stable ground support to the guide ring.
On the other hand, still provide an underground pipeline detection device, including periscope, controller and foretell periscope bearing structure, the periscope is installed in the bottom of telescopic link, and the controller passes through the signal line and is connected with the periscope.
In this scheme, adjust the periscope to suitable observation position through bearing structure, receive the observation information of periscope through the controller, made things convenient for the detection of measurement personnel to underground pipeline.
The technical effects of the utility model reside in that:
the utility model discloses a branch and guide ring have moved the support position of telescopic link subaerial from the well below, not only made things convenient for the measurement personnel to realize adjusting the periscope to suitable observation position through removing the telescopic link, but also be convenient for the measurement personnel to lock the position of telescopic link after adjusting, the pipeline to the well below detects the in-process, measurement personnel only need make the second on the retaining member lead the tooth and lead the first tooth that leads on the telescopic link and break away from the meshing, alright freely reciprocate the telescopic link, lead tooth and first through the second simultaneously and lead the meshing between the tooth and be connected, can lock the telescopic link on the guide ring effectively, thereby pass through branch and guide ring with the telescopic link and support subaerial, the testing process of measurement personnel has greatly been made things convenient for.
Drawings
The invention will be described in further detail with reference to the following drawings and embodiments:
FIG. 1 is a schematic view of a prior art periscope support structure;
FIG. 2 is a schematic structural diagram of a well, a sinking pipe and a rainwater connecting pipe in a pipe network;
FIG. 3 is a schematic diagram of a periscope for detecting a slotted pipe and a sunk well pipe in the prior art;
FIG. 4 is a schematic view of a prior art periscope arrangement for detecting rain water in a rain water pipe;
fig. 5 is a schematic structural view of a periscope support structure of the present invention;
fig. 6 is a schematic view of a partially enlarged structure of the telescopic rod of the present invention;
fig. 7 is a schematic structural view of the guide ring of the present invention with the locking assembly and the pedal rod mounted thereon;
fig. 8 is an exploded view of the guide ring and locking assembly of the present invention;
FIG. 9 is a schematic view of the retaining member of the present invention in a first position on the guide ring;
FIG. 10 is a schematic view of the retaining member of the present invention in a second position on the guide ring;
fig. 11 is an exploded view of the pedal rod and the rotating shaft according to the present invention;
FIG. 12 is a schematic view showing a connection structure of a pedal lever and a locking member according to the present invention;
fig. 13 is an exploded view of the guide ring and the rotating shaft according to the present invention.
The reference numbers illustrate:
1. the periscope comprises a periscope body, 2 parts of a telescopic rod, 21 parts of a locking groove, 22 parts of a first guide tooth, 3 parts of a supporting assembly, 31 parts of a support rod, 32 parts of a guide ring, 32a parts of an installation groove, 32b parts of a positioning part, 4 parts of a locking assembly, 41 parts of a locking member, 41a parts of a second guide tooth, 41b parts of a protruding part, 42 parts of an elastic member, 5 parts of a pedal rod, 5a parts of an installation hole, 6 parts of a rotating shaft, 7 parts of a pedal, 8 parts of a supporting rod, 9 parts of a well, 10 parts of a well cover, 11 parts of a pipeline, 12 parts of a road surface, 13 parts of a lower roadbed, 14 parts of a rainwater downpipe, 15 parts of a rainwater connecting pipe, 16 parts of a sinking well type pipeline, 17 parts.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
As a specific example, as shown in fig. 5, a periscope 1 supporting structure includes a telescopic rod 2 for mounting the periscope 1, a supporting assembly 3 for supporting the telescopic rod 2, and a locking assembly 4 for locking the telescopic rod 2.
As shown in fig. 6, the side surface of the telescopic rod 2 is provided with a locking groove 21 along the axial direction thereof, and a plurality of horizontal first guide teeth 22 are provided in the locking groove 21 along the axial direction of the telescopic rod 2. The supporting component 3 comprises a supporting rod 31 and a guide ring 32, one end of the supporting rod 31 is connected with the guide ring 32, the other end of the supporting rod is used for supporting on the ground, and the guide ring 32 is sleeved on the telescopic rod 2. The supporting position of the telescopic rod 2 is transferred to the ground from the lower part of the well 9 through the supporting rod 31 and the guide ring 32, inconvenience caused by the fact that detection personnel need to empty the hand-held equipment for adjustment is avoided, in the actual detection process, the supporting rod 31 and the guide ring 32 can effectively support the telescopic rod 2 on the ground, and great convenience is brought to the detection process of the detection personnel.
Specifically, as shown in fig. 5, the guide ring 32 is supported on the ground by four struts 31, and the four struts 31 are rotationally symmetrically disposed on the outer side of the guide ring 32. Accordingly, the guide ring 32 may also be supported on the ground by three struts 31, and the number of the struts 31 is at least three, so as to effectively and stably support the guide ring 32 on the ground. When the detection personnel actually detected, can place this bearing structure on subaerial through four branch 31 steadily, adjust the suitable observation position of periscope 1 through removing telescopic link 2 afterwards, made things convenient for detection personnel's testing process.
As shown in fig. 9 and 10, the locking assembly 4 includes a locking member 41, the locking member 41 is disposed on an inner wall of the guide ring 32 and is movably disposed between a first position and a second position in a radial direction of the guide ring 32, and a surface of the locking member 41 is provided with a plurality of horizontal second guide teeth 41a in an axial direction of the telescopic rod 2.
The present embodiment converts the original way of supporting the telescopic rod 2 below the hoistway 9 into supporting the telescopic rod 2 on the road surface 12, i.e. supporting the telescopic rod 2 by means of the support rod 31 and the guide ring 32. As shown in fig. 9, when the locking member 41 is located at the first position on the guide ring 32, the second guide tooth 41a is engaged with the first guide tooth 22 to fix the telescopic rod 2 on the guide ring 32; as shown in fig. 10, when the locking member 41 is located at the second position on the guide ring 32, the second guide teeth 41a are disengaged from the first guide teeth 22, and the examiner can freely move the telescopic bar 2 to adjust the observation position of the periscope 1.
In the actual detection process, the detection personnel only need control the position that locking piece 41 is located, alright realize the regulation to telescopic link 2.
The present embodiment adopts a structure in which the pedal rod 5 is provided on the guide ring 32 to achieve position control of the lock member 41. As shown in fig. 7, the pedal rod 5 is rotatably connected to the guide ring 32, one end of the pedal rod 5 extends into the guide ring 32 and is connected to a surface of the locking member 41 away from the second guide tooth 41a, and the other end of the pedal rod 5 extends out of the guide ring 32.
When the detector steps on the pedal rod 5, the locking member 41 can be driven to move to the second position along the radial direction of the guide ring 32, so that the second guide tooth 41a on the locking member 41 is disengaged from the first guide tooth 22 on the telescopic rod 22, and the telescopic rod 2 can be freely moved.
Specifically, as shown in fig. 11 to 13, a mounting hole 5a is formed on the pedal rod 5, a rotating shaft 6 is inserted through the guide ring 32, and the rotating shaft 6 simultaneously penetrates through the mounting hole 5a of the pedal rod 5, so as to rotatably mount the pedal rod 5 on the guide ring 32.
As a specific scheme of this embodiment, the end of the pedal rod 5 extending out of the guide ring 32 is provided with the pedal 7, and the pedal 7 can facilitate the control of the position of the locking member 41 by the detecting person, and meanwhile, the stability of the detecting person during the control is improved.
In the adjusting process, the inspector can drive the locking member 41 to move from the first position to the second position on the guide ring 32 by only stepping on the pedal 7, so that the second guide tooth 41a on the locking member 41 is disengaged from the first guide tooth 22 on the telescopic rod 2, and the inspector can freely move the telescopic rod 2. After the adjustment is completed, the pedal 7 is released, and the locking member 41 automatically returns from the second position to the first position on the guide ring 32, and the second guide tooth 41a of the locking member 41 reengages with the first guide tooth 22 of the telescopic rod 2, thereby locking the telescopic rod 2 to the guide ring 32.
As shown in fig. 8, in order to movably arrange the locker 41 on the guide ring 32 in the radial direction of the guide ring 32 and to automatically restore the locker 41 from the second position to the first position of the guide ring 32, the locking assembly 4 further includes a plurality of elastic members 42, an installation groove 32a is formed in the guide ring 32, the locker 41 is installed in the installation groove 32a, one end of the elastic member 42 abuts on the installation groove 32a, and the other end abuts on a surface of the locker 41 away from the second guide teeth 41a.
When the inspector steps on the pedal 7, the locking member 41 will contract towards the inside of the mounting groove 32a, so that the second guide tooth 41a of the locking member 41 is disengaged from the first guide tooth 22 on the telescopic rod 2, and the elastic member 42 is pressed, and when the inspector releases the pedal 7 after adjustment, the locking member 41 will automatically recover from the second position of the guide ring 32 to the first position under the action of the elastic member 42.
Meanwhile, two opposite side walls of the mounting groove 32a are provided with protruding positioning portions 32b, two opposite side walls of the locking member 41 are provided with protruding portions 41b, and the protruding portions 41b of the locking member 41 are abutted to the positioning portions 32b so as to limit the locking member 41 in the radial direction of the guide ring 32.
Specifically, the elastic member 42 is a compression spring, one end of the compression spring is disposed on the side of the locking member 41 away from the second guide tooth 41a, and the other end of the compression spring abuts against the bottom surface of the mounting groove 32a, in order to ensure the stability of the engagement between the second guide tooth 41a and the first guide tooth 22, four compression springs are arranged on one side of the locking member 41 in a rectangular shape, so that the locking member 41 is stably pressed on the positioning portion 32b.
As shown in fig. 9, when the locking member 41 is pressed against the positioning portion 32b of the guide ring 32 by the compression spring, the locking assembly 4 is in a locking state, that is, the locking member 41 is located at the first position on the guide ring 32, and the second guide teeth 41a located at one side of the locking member 41 are engaged with the first guide teeth 22 on the telescopic rod 2, so as to lock the telescopic rod 2 on the guide ring 32, so that the telescopic rod 2 cannot move in the guide ring 32.
As shown in fig. 10, when the inspector steps on the pedal rod 5 to drive the locking member 41, the second guide tooth 41a moves toward the bottom surface of the mounting groove 32a until the second guide tooth is disengaged from the first guide tooth 22 on the telescopic rod 2, and at this time, the locking member 4 is in the unlocking state, i.e., the locking member 41 is located at the second position on the guide ring 32, the second guide tooth 41a is disengaged from the first guide tooth 22, and the inspector can hold the telescopic rod 2 by hand, so that the telescopic rod 2 can move up and down freely along the guide ring 32.
The utility model also provides a concrete embodiment of underground pipeline detection device, periscope bearing structure in periscope 1, controller 19 and the above-mentioned embodiment, periscope 1 is installed in the bottom of telescopic link 2, and controller 19 passes through the signal line and is connected with periscope 1, and controller 19 can receive the observation picture and the demonstration that come from periscope 1.
When the inspection personnel is adjusting the observation position of periscope 1, step on footboard 7 through the foot, drive pedal rod 5 and make retaining member 41 appear rotating around pivot 6, compression spring is compressed further, when rotating to the second of retaining member 41 and leading tooth 41a and the first tooth 22 that leads on the telescopic link 2 and break away from the meshing completely, inspection personnel alright remove telescopic link 2 freely to adjust periscope 1 to suitable observation position through the picture information that observes 19 display of controller.
After the inspector has adjusted the position, the inspector releases the pedal 7, the compression spring starts to return, the locking member 41 is driven by the compression spring to be pressed on the positioning portion 32b again, the second guide tooth 41a of the locking member 41 is re-engaged with the first guide tooth 22 of the telescopic rod 2, the position of the telescopic rod 2 is fixed on the guide ring 32, and the inspector can observe the inspection picture information in the pipeline 11 through the controller 19.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A periscope support structure, characterized by: the method comprises the following steps:
the bottom of the telescopic rod is used for mounting a periscope, a locking groove is formed in the side face of the telescopic rod along the axis direction of the telescopic rod, and a plurality of horizontal first guide teeth are arranged in the locking groove along the axial direction of the telescopic rod;
the supporting assembly comprises a supporting rod and a guide ring, one end of the supporting rod is connected with the guide ring, the other end of the supporting rod is used for supporting the ground, and the guide ring is sleeved on the telescopic rod;
the locking assembly comprises a locking piece, the locking piece is arranged on the inner wall of the guide ring and can be movably arranged between a first position and a second position of the guide ring in the radial direction, and a plurality of horizontal second guide teeth are arranged on the surface of the locking piece along the axial direction of the telescopic rod;
when the locking piece is located at the first position, the second guide tooth is meshed with the first guide tooth to fix the telescopic rod on the guide ring;
when the locking member is located at the second position, the second guide teeth are disengaged from the first guide teeth.
2. A periscope support structure according to claim 1, wherein:
still include the pedal pole, the pedal pole with lead ring rotatable coupling, and one end stretch into in the lead ring with the retaining member is kept away from the one side of tooth is led to the second is connected, and the other end stretches out outside the lead ring, can drive the retaining member is followed first position removes extremely the second position.
3. A periscope support structure according to claim 2, wherein:
and a pedal is arranged at one end of the pedal rod extending out of the guide ring.
4. A periscope support structure according to claim 1, wherein:
locking assembly still includes a plurality of elastic component, be provided with the mounting groove in leading the ring, the retaining member is installed in the mounting groove, the one end of elastic component with the mounting groove butt, the other end of elastic component with the retaining member is kept away from the tooth is led to the second one side butt, makes the retaining member is in follow in the mounting groove lead the radial portable setting of ring.
5. A periscope support structure according to claim 4, wherein:
the both sides wall protrusion that the relative setting of mounting groove was provided with location portion, the both sides wall protrusion that the retaining member set up relatively is provided with the bulge, the bulge of retaining member with location portion butt is used for the radial of guide ring is right the retaining member carries on spacingly.
6. A periscope support structure according to claim 4, wherein:
the elastic pieces are four and are arranged on one side of the locking piece in a rectangular mode.
7. A periscope support structure according to claim 1, wherein:
the number of the supporting rods is four, and the four supporting rods are rotationally symmetrically arranged on the outer side of the guide ring.
8. The utility model provides an underground pipeline detection device which characterized in that:
comprising a periscope mounted at the bottom of the telescopic rod, a controller and a periscope support structure according to any one of claims 1-7, the controller being connected to the periscope via a signal line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021276801.8U CN212776715U (en) | 2020-07-03 | 2020-07-03 | Periscope bearing structure and underground pipeline detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021276801.8U CN212776715U (en) | 2020-07-03 | 2020-07-03 | Periscope bearing structure and underground pipeline detection device |
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| CN212776715U true CN212776715U (en) | 2021-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405811A (en) * | 2022-08-08 | 2022-11-29 | 中山大学 | Quick detection device of pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405811A (en) * | 2022-08-08 | 2022-11-29 | 中山大学 | Quick detection device of pipeline |
| CN115405811B (en) * | 2022-08-08 | 2024-05-24 | 中山大学 | Quick pipeline detection device |
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Address after: 201314 whole building 2 and whole building 3, No. 7-11 (single), Gudan Road, Xinchang Town, Pudong New Area, Shanghai Patentee after: National Testing and Testing Holding Group Shanghai Co.,Ltd. Address before: 201209 8 Chuansha Road, Pudong New Area, Shanghai, 1098 Patentee before: SHANGHAI ZHONGCAI ENGINEERING TESTING Co.,Ltd. |