CN217424215U - Measuring device for inner diameter size of plastic pipe - Google Patents
Measuring device for inner diameter size of plastic pipe Download PDFInfo
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- CN217424215U CN217424215U CN202221529006.4U CN202221529006U CN217424215U CN 217424215 U CN217424215 U CN 217424215U CN 202221529006 U CN202221529006 U CN 202221529006U CN 217424215 U CN217424215 U CN 217424215U
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Abstract
The utility model discloses a measuring device of plastic pipe internal diameter size, movable positioning element, base and support body form the measurement space that supplies the tubular product measuring end to put into, measuring mechanism includes the sliding seat and sets up last measuring unit and lower measuring unit on the sliding seat, lower measuring unit includes movable adjusting part and lower support clamp plate, go up measuring unit and include last rotating rod and drive unit, drive unit can drive the rotating rod rotation in order to support on the upside inner wall of tubular product, go up rotating rod and lower support clamp plate and lie in the same diametric (al) direction of tubular product; the measurement subassembly includes the displacement measurement spare and carries out the sign structure that measures to the clamp plate position down, and the displacement measurement spare includes haulage rope and sets up the sliding block on the haulage rope, is provided with the slip chamber that supplies the sliding block motion in the sliding seat, and the slip intracavity is provided with carries out the automatic measure structure that measures to the sliding block position. The utility model provides a measuring device can satisfy the automatic measure of tubular product, and can use under the scene of difference.
Description
Technical Field
The utility model relates to a tubular product detects technical field, especially relates to a measuring device of plastics tubular product internal diameter size.
Background
At present, the annual growth rate of the plastic pipe market in China reaches 15%, and the plastic pipe market is the first in the world and has huge growth space in China. However, the plastic pipes have wide market prospects, so that enterprises enter the plastic pipes in succession, and a series of problems such as market non-standardization and the like are caused by lower admission thresholds, so that the competitive pressure is very great. The problem that the quality of a plastic pipe enterprise faces is solved, the enterprise is required to quickly go up to the first substantial improvement way, the existing plastic pipe size detection is generally manual measurement, the efficiency is low, manual detection is difficult to avoid the situation of low detection precision, and the quality of a product cannot be effectively guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measuring device of plastics tubular product internal diameter size to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
a measuring device for the inner diameter dimension of a plastic pipe comprises:
the pipe measuring device comprises a measuring support, a pipe fixing device and a pipe fixing device, wherein the measuring support comprises a support body, a base and a top plate, the base and the top plate are arranged on the support body, a movable positioning piece is connected to the top plate, and the movable positioning piece, the base and the support body form a measuring space for placing a pipe measuring end;
the measuring mechanism comprises a movable seat, an upper measuring assembly and a lower measuring assembly, the upper measuring assembly and the lower measuring assembly are arranged on the movable seat, the lower measuring assembly comprises a movable adjusting part and a lower pressing plate, the lower pressing plate can receive the driving of the movable adjusting part and can be pressed on the inner wall of the lower side of the pipe, the upper measuring assembly comprises an upper rotating rod and a driving unit, the driving unit can drive the upper rotating rod to rotate so as to be pressed on the inner wall of the upper side of the pipe, and the upper rotating rod and the lower pressing plate are located in the same diameter direction of the pipe;
the measurement subassembly, the measurement subassembly include displacement measurement spare and right support the clamp plate position down and carry out the sign structure that measures, the sign structure sets up on support body or the movable adjusting part, displacement measurement spare includes the haulage rope and sets up sliding block on the haulage rope, be provided with the confession in the sliding seat the slip chamber of sliding block motion, the other end of haulage rope with go up the transfer link and be connected go up the transfer link in the rotation stroke, the sliding block passes through the haulage rope is accepted the pulling force edge of going up the transfer link slip chamber motion, it is right to be provided with in the slip chamber the sliding block position carries out measuring automatic measure structure.
In the above measuring device, the movable adjusting member includes a driving piston, and the identification structure includes an automatic length measuring structure for measuring the extension length of the piston rod on the driving piston.
The measuring device further comprises a horizontal support plate perpendicular to the frame body, a traction channel communicated with the frame body is arranged in the horizontal support plate and the frame body, the traction channel is communicated with the sliding cavity, one end of the traction rope is connected with the sliding block, and the other end of the traction rope penetrates out of the traction channel and is connected to the upper rotating rod.
Foretell measuring device, drive unit includes driving motor and connects the last rolling disc of driving motor, go up the rotating rod with rolling disc fixed connection, be provided with the confession on the sliding seat go up rotating rod pivoted arc open slot.
In the measuring device, the end part of the upper rotating rod is provided with the upper pressure sensor, and the lower side edge of the lower bottom plate is provided with the lower pressure sensor.
In the measuring device, the frame body is provided with the vertical chute, and the movable seat is connected in the vertical chute in a sliding manner.
The measuring device further comprises a driving assembly, wherein the driving assembly is arranged in the frame body and used for driving the movable seat to move up and down along the vertical sliding groove.
The measuring device further comprises a scale mark which is arranged on the frame body and used for marking the position of the movable seat.
In the technical scheme, the utility model provides a measuring device of plastics tubular product internal diameter size has following beneficial effect:
the utility model provides a measuring device of plastics tubular product internal diameter size, including measuring the support, measuring mechanism and measurement subassembly, it includes the support body and sets up base and the roof on the support body to measure the support, measuring mechanism includes the sliding seat and sets up last measuring unit and measuring subassembly down on the sliding seat, measuring subassembly includes movable regulating part and supports the clamp plate down, it includes last rotation pole and drive unit to go up measuring subassembly, can measure the internal diameter of tubular product through last measuring subassembly and measuring subassembly down, and go up measuring unit and measuring subassembly down both can independent utility be in order to realize the measurement to the tubular product internal diameter, also can make up the use in order to realize the measurement to the tubular product internal diameter, thereby satisfy under the different scenes to the tubular product measuring requirement.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a device for measuring the inner diameter of a plastic pipe according to an embodiment of the present invention;
fig. 2 is a schematic view of a measurement state of the measurement apparatus for measuring the inner diameter of the plastic pipe provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a measuring mechanism according to an embodiment of the present invention.
Description of reference numerals:
1. a measuring support; 1.1, a frame body; 1.2, a base; 1.3, a top plate; 1.4, a movable positioning piece; 1.5, scale marking; 2. a measuring mechanism; 2.1, a movable seat; 2.2, horizontal supporting plates; 3. a lower measurement assembly; 3.1, a movable adjusting piece; 3.2, pressing the plate downwards; 3.3, a lower pressure sensor; 4. an upper measurement assembly; 4.1, rotating the rotating rod; 4.2, a driving unit; 4.3, rotating the disc; 4.4, an upper pressure sensor; 5. a metering assembly; 5.1, pulling a rope; 5.2, a sliding block; 5.3, a sliding cavity; 5.4, drawing a channel; 6. a pipe.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, an embodiment of the present invention provides a device for measuring the inner diameter of a plastic pipe, which is characterized in that the device comprises a measuring support 1, a measuring mechanism 2 and a measuring component 5, the measuring support 1 comprises a support 1.1, a base 1.2 and a top plate 1.3 which are arranged on the support 1.1, the top plate 1.3 is connected with a movable positioning component 1.4, the base 1.2 and the support 1.1 form a measuring space for placing a measuring end of the pipe 6, the measuring component comprises a movable base 2.1, an upper measuring component 4 and a lower measuring component 3 which are arranged on the movable base 2.1, the lower measuring component 3 comprises a movable adjusting component 3.1 and a lower pressing plate 3.2, the lower pressing plate 3.2 can receive the driving of the movable adjusting component 3.1 to press against the inner wall of the lower side of the pipe 6, the upper measuring component 4 comprises an upper rotating rod 4.1 and a driving unit 4.2, the upper rotating rod 4.1 of the driving unit 4.2 to press against the inner wall of the pipe 6, go up the rotation pole 4.1 and support the same diametric direction that the clamp plate 3.2 is located tubular product 6 down, measurement subassembly 5 includes displacement measurement spare and to support the sign structure that the clamp plate 3.2 position was measured down, the sign structure sets up on support body 1.1 or activity regulating part 3.1, displacement measurement spare includes haulage rope 5.1 and sets up sliding block 5.2 on haulage rope 5.1, be provided with the sliding chamber 5.3 that supplies the sliding block 5.2 motion in the sliding seat 2.1, the other end of haulage rope 5.1 is connected with last rotation pole 4.1, last rotation pole 4.1 is in the rotation stroke, sliding block 5.2 accepts the pulling force of going up rotation pole 4.1 through haulage rope 5.1 and moves along sliding chamber 5.3, be provided with in the sliding chamber 5.3 and carry out the automatic measurement structure that measures to sliding block 5.2 position.
Specifically, the measuring support 1 comprises a support body 1.1 arranged on the equipment, the support body 1.1 can be connected with a conveying device so as to automatically receive the pipe 6 to be measured, a base 1.2 and a top plate 1.3 are arranged on the support body 1.1, the base 1.2 and the top plate 1.3 are arranged in parallel, optionally, the base 1.2 and the top plate 1.3 are both horizontally arranged, the distance between the base 1.2 and the top plate 1.3 can be fixed or adjustable, a movable positioning part 1.4 is arranged on the top plate 1.3, the movable positioning part 1.4 is connected on the top plate 1.3 through a piston assembly, the movable positioning part 1.4 and the base 1.2 can limit the pipe 6 from two opposite directions, the movable positioning part 1.4, the base 1.2 and the support body 1.1 form a measuring space, when the movable positioning part 1.4 and the base 1.2 limit the pipe 6, the pipe 6 is placed on the base 1.2, and the movable positioning part 1.4 limits the pipe 6 from the upper part, can also be provided with spacing curb plate in support body 1.1's relative both sides, activity setting element 1.4, base 1.2 and curb plate only restrict tubular product 6, avoid tubular product 6 motion, activity setting element 1.4, the curb plate does not support to pressing tubular product 6 (can have certain distance between the lateral wall of activity setting element 1.4 and curb plate and tubular product 6), in order to avoid tubular product 6 to take place deformation and influence measuring result, can also be provided with the concave part on base 1.2, be convenient for fix tubular product 6 through the concave part, so do not need all to adjust activity setting element 1.4 when tubular product 6 measures at every turn.
In this embodiment, the measuring mechanism 2 is used for measuring the inner diameter of the pipe 6, the measuring mechanism 2 includes an upper measuring component 4 and a lower measuring component 3, the upper measuring component 4 and the lower measuring component 3 are connected to a movable seat 2.1 together, the movable seat 2.1 can be fixedly connected to a frame body 1.1 or movably connected to the frame body 1.1, the upper measuring component 4 and the lower measuring component 3 are respectively and symmetrically arranged at two opposite sides of the movable seat 2.1, preferably, the upper measuring component 4 and the lower measuring component 3 are arranged along the vertical direction, the lower measuring component 3 includes a movable adjusting part 3.1 and a lower pressing plate 3.2 connected with the movable adjusting part 3.1, the movable adjusting part 3.1 can be a piston rod, the upper measuring component 4 includes an upper rotating rod 4.1 and a driving unit 4.2, the driving unit 4.2 can drive the upper rotating rod 4.1 to rotate, after the pipe 6 is conveyed to the measuring space, the lower pressing plate 3.2 and the upper rotating rod 4.1 are both located inside the pipe 6, and support the same diametric direction that the clamp plate 3.2 and the last rotor rod 4.1 are located tubular product 6 down, correspond the drive through activity regulating part 3.1 and support the clamp plate 3.2 and move down, thereby make and support the lower side inner wall of clamp plate 3.2 and tubular product 6 down and contact, rotate 4.1 and rotate so that the tip of going up rotor rod 4.1 contacts with the upside inner wall of tubular product 6 through drive unit 4.2 drive, the tip of going up rotor rod 4.1 pole and the distance that supports between the clamp plate 3.2 down are the internal diameter size of tubular product 6 so.
In the embodiment, in order to observe the measurement of the inner diameter conveniently, the measuring mechanism 2 is further provided with a measuring component 5, the measuring component 5 comprises a displacement measuring part and a mark structure, the mark structure is arranged on the frame body 1.1 or the movable adjusting part 3.1, used for measuring the position of the lower pressing plate 3.2, the displacement measuring part comprises a traction rope 5.1 and a sliding block 5.2, a sliding cavity 5.3 is arranged inside the movable seat 2.1, a sliding block 5.2 is connected in the sliding cavity 5.3 in a sliding way, a traction channel 5.4 for the movement of the migration rope is also arranged in the movable group, one end of the traction rope 5.1 penetrates out along the traction channel 5.4 to be connected with the upper rotating rod 4.1, when the upper rotating rod 4.1 is driven by the driving unit 4.2 to rotate, the upper rotating rod 4.1 correspondingly drives the sliding block 5.2 to move along the sliding cavity 5.3, and the automatic measuring mechanism 2 is arranged in the sliding cavity 5.3 to measure the moving position of the sliding block 5.2, so that the rising height of the end part of the upper rotating rod 4.1 can be known through calculation.
In this embodiment, when measuring the pipe 6, the pipe 6 can be measured only by the upper measuring component 4, or only by the lower measuring component 3, or the pipe 6 can be measured by the upper measuring component 4 and the lower measuring component 3 cooperating with each other as required, so as to meet the requirements of measuring the pipe 6 under different environments and scenes, for example, the pipe 6 can be measured by the movable adjusting component 3.1 to drive the lower pressing plate 3.2 to move when the pipe 6 is smaller in size and the center line of the movable seat 2.1 and the axis of the pipe 6 are located on the same straight line when the pipe 6 is conveyed to the measuring space, and the identification structure measures the movement length of the lower pressing plate 3.2 to know the radius of the pipe 6 and calculate the inner diameter of the pipe 6, for example, when the pipe 6 is larger in size and when the pipe 6 is conveyed to the measuring space, the center line of the movable seat 2.1 is located on the same straight line with the axis of the tube 6, at this time, the driving unit 4.2 drives the upper rotating rod 4.1 to rotate so as to make the end of the upper rotating rod 4.1 contact with the upper side wall of the tube 6, the inner diameter of the tube 6 can be correspondingly calculated through the moving position of the sliding block 5.2, the calculation method of the inner diameter of the tube 6 is related to the position of the pulling rope 5.1 connected to the upper rotating rod 4.1, the length of the upper rotating rod 4.1 and the displacement of the sliding block 5.2, which is a common measurement means in the prior art, and is not described herein again, for example, if the inner diameter of a large tube 6 needs to be measured, the tube 6 is conveyed into a measurement space, when the center line of the movable seat 2.1 is not on the same straight line with the axis of the tube 6, the movable adjusting piece 3.1 correspondingly drives the lower abutting pressing plate 3.2 to move, the driving unit 4.2 drives the upper rotating rod 4.1 to make the end of the upper rotating so as to contact with the upper inner wall of the tube 6, the distance between the end of the upper rotating rod 4.1 and the lower pressing plate 3.2 is the inner diameter of the tube 6, for example, if the inner diameter of the large tube 6 needs to be measured, and the thickness of the tube wall of the tube 6 is known or the wall thickness of the tube is neglected, the tube 6 is conveyed into the measurement space, and the center line of the movable seat 2.1 is not on the same straight line with the axis of the tube 6, the upper rotating rod 4.1 is driven to rotate by the driving unit 4.2 so that the end of the upper rotating rod 4.1 contacts with the upper side wall of the tube 6, the vertical height L1 of the end of the upper rotating rod 4.1 rising can be correspondingly calculated by the moving position of the sliding block 5.2, and the vertical height between the center of the movable seat 2.1 and the base 1.2 is measured by L2, L1+ L2 is the size of adding the wall thickness to the inner diameter of the tube 6, so that the inner diameter of the tube 6 can be correspondingly known, only the partial measurement scenario in this embodiment is described above, the measurement apparatus in this embodiment may also be applied to other measurement scenarios.
The embodiment of the utility model provides a measuring device of 6 internal diameter sizes of plastics tubular product, including measurement support 1, measuring mechanism 2 and measurement subassembly 5, measurement support 1 includes support body 1.1 and base 1.2 and roof 1.3 of setting on support body 1.1, measuring mechanism 2 includes movable seat 2.1 and sets up last measuring unit 4 and lower measuring unit 3 on movable seat 2.1, lower measuring unit 3 includes movable adjusting part 3.1 and supports clamp plate 3.2 down, it includes last measuring unit 4.1 and drive unit 4.2 to go up measuring unit 4, can measure tubular product 6's internal diameter through last measuring unit 4 and lower measuring unit 3, and go up measuring unit 4 and measuring unit 3 down both can independently use in order to realize the measurement to tubular product 6 internal diameter, also can make up the use in order to realize the measurement to tubular product 6 internal diameter, thereby satisfy under the different scenes to tubular product 6 measuring requirement.
In this embodiment, preferably, the movable adjusting part 3.1 comprises a driving piston, and the marking structure comprises an automatic length measuring structure for measuring the extending length of a piston rod on the driving piston; automatic measurement structure can be measured the distance of supporting down between clamp plate 3.2 and sliding seat 2.1 center, including the fixed body of rod and the movable rod body if the piston rod, the lower extreme of the fixed body of rod and the distance between sliding seat 2.1 center are D, the movable rod body is located the external length of dead lever and is D, D can be measured through the artificial scale of contrasting, also can know through automatic measurement's mode, this is common means among the prior art, no longer give unnecessary details here, it is D + D to support the distance between clamp plate 3.2 and the sliding seat 2.1 center down.
In this embodiment, preferably, the device further comprises a horizontal support plate 2.2 vertically arranged with the frame body 1.1, a traction channel 5.4 communicated with the horizontal support plate 2.2 and the frame body 1.1 is arranged in the frame body 1.1, the traction channel 5.4 is communicated with the sliding cavity 5.3, one end of a traction rope 5.1 is connected with the sliding block 5.2, and the other end of the traction rope 5.1 penetrates out of the traction channel 5.4 and is fixed on the upper rotating rod 4.1; the fixed central point that sets up at the pedestal of horizontal support board 2.2 puts, horizontal support board 2.2 sets up along the horizontal direction, can also be provided with the guide pulley that supplies haulage rope 5.1 to move in drawing passageway 5.4, draw passageway 5.4 on the horizontal support board 2.2 and set up along the horizontal direction, tip at drawing passageway 5.4 is provided with an opening, the opening sets up with drawing passageway 5.4 is perpendicular, be provided with guide pulley at the opening part, haulage rope 5.1's the other end can fixed connection on last dwang 4.1, also can be through slider sliding connection on last dwang 4.1, so when last dwang 4.1 is driven rotatory, haulage rope 5.1 between opening and the last dwang 4.1 remains the vertical state throughout, thereby be convenient for measure and calculate tubular product 6 internal diameters.
In this embodiment, preferably, the driving unit 4.2 includes a driving motor and a rotating shaft connected to the driving motor, the rotating shaft is provided with a rotating disc 4.3, the upper rotating rod 4.1 is fixedly connected to the rotating disc 4.3, and the movable seat 2.1 is provided with an arc-shaped open slot for the upper rotating rod 4.1 to rotate; when the internal diameter of tubular product 6 needs to be measured, control through driving motor, driving motor drive axis of rotation and rolling disc 4.3 are rotatory to make upper rotating rod 4.1 rotate in order to measure the internal diameter of tubular product 6.
In this embodiment, preferably, an upper pressure sensor 4.4 is disposed at an end of the upper rotating rod 4.1, and a lower pressure sensor 3.3 is disposed on a lower side edge of the lower abutting plate 3.2; whether the inner wall of the upper rotating rod 4.1 is contacted with the inner wall of the pipe 6 or not can be known through the upper pressure sensor 4.4, when the upper pressure sensor 4.4 detects pressure, the fact that the upper rotating rod 4.1 rotates in place is indicated, the driving unit 4.2 stops working, similarly, whether the inner wall of the lower pressing plate 3.2 is contacted with the inner wall of the pipe 6 or not can be known through the lower pressure sensor 3.3, when the lower pressure sensor 3.3 detects pressure, the fact that the lower pressing plate 3.2 moves in place is indicated, the movable adjusting piece 3.1 stops working, so that the inner wall of the pipe 6 is pressed by the upper rotating rod 4.1 and the lower pressing plate 3.2 to cause deformation, and the measuring result is influenced.
In this embodiment, preferably, a vertical chute is arranged on the frame body 1.1, the movable seat 2.1 is slidably connected in the vertical chute, the driving assembly is arranged in the frame body 1.1 and is used for driving the movable seat 2.1 to move up and down along the vertical chute, and the scale mark 1.5 is arranged on the frame body 1.1 and is used for marking the position of the movable seat 2.1; can drive movable seat 2.1 through drive assembly along support body 1.1 up-and-down motion to adjust movable seat 2.1's position, know the height that movable seat 2.1 central point put through scale sign 1.5 carving, so can satisfy the measurement of different scenes to tubular product 6.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. A measuring device for the inner diameter size of a plastic pipe is characterized by comprising:
the pipe measuring device comprises a measuring support, a pipe fixing device and a pipe fixing device, wherein the measuring support comprises a support body, a base and a top plate, the base and the top plate are arranged on the support body, a movable positioning piece is connected to the top plate, and the movable positioning piece, the base and the support body form a measuring space for placing a pipe measuring end;
the measuring mechanism comprises a movable seat, an upper measuring assembly and a lower measuring assembly, the upper measuring assembly and the lower measuring assembly are arranged on the movable seat, the lower measuring assembly comprises a movable adjusting part and a lower pressing plate, the lower pressing plate can receive the driving of the movable adjusting part and can be pressed on the inner wall of the lower side of the pipe, the upper measuring assembly comprises an upper rotating rod and a driving unit, the driving unit can drive the upper rotating rod to rotate so as to be pressed on the inner wall of the upper side of the pipe, and the upper rotating rod and the lower pressing plate are located in the same diameter direction of the pipe;
the measurement subassembly, the measurement subassembly include displacement measurement spare and right support the clamp plate position down and carry out the sign structure that measures, the sign structure sets up on support body or the movable adjusting part, displacement measurement spare includes the haulage rope and sets up sliding block on the haulage rope, be provided with the confession in the sliding seat the slip chamber of sliding block motion, the other end of haulage rope with go up the transfer link and be connected go up the transfer link in the rotation stroke, the sliding block passes through the haulage rope is accepted the pulling force edge of going up the transfer link slip chamber motion, it is right to be provided with in the slip chamber the sliding block position carries out measuring automatic measure structure.
2. A measuring device according to claim 1, wherein the movable adjustment member comprises a drive piston and the indicator formation comprises an automatic length gauge arrangement for measuring the length of extension of a piston rod on the drive piston.
3. The measuring device according to claim 1, further comprising a horizontal support plate vertically arranged with the frame body, wherein a traction channel communicated with the inside of the horizontal support plate and the inside of the frame body is arranged, the traction channel is communicated with the sliding cavity, one end of the traction rope is connected with the sliding block, and the other end of the traction rope penetrates out of the traction channel and is connected to the upper rotating rod.
4. The measuring device according to claim 3, wherein the driving unit comprises a driving motor and a rotating disc connected to the driving motor, the upper rotating rod is fixedly connected to the rotating disc, and an arc-shaped open slot for allowing the upper rotating rod to rotate is formed in the movable seat.
5. The measuring device according to claim 1, wherein the end of the upper rotating rod is provided with an upper pressure sensor, and the lower side edge of the lower pressing plate is provided with a lower pressure sensor.
6. The measuring device according to claim 1, wherein a vertical chute is provided on the frame body, and the movable seat is slidably connected in the vertical chute.
7. The measuring device of claim 6, further comprising a drive assembly disposed within the frame for driving the movable mount up and down along the vertical chute.
8. The measuring device according to claim 7, further comprising a scale mark provided on the frame body for marking a position of the movable seat.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529006.4U CN217424215U (en) | 2022-06-13 | 2022-06-13 | Measuring device for inner diameter size of plastic pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529006.4U CN217424215U (en) | 2022-06-13 | 2022-06-13 | Measuring device for inner diameter size of plastic pipe |
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| CN217424215U true CN217424215U (en) | 2022-09-13 |
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| CN202221529006.4U Active CN217424215U (en) | 2022-06-13 | 2022-06-13 | Measuring device for inner diameter size of plastic pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116839558A (en) * | 2023-09-01 | 2023-10-03 | 济南市勘察测绘研究院 | Computer geographic information scanning survey system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116839558A (en) * | 2023-09-01 | 2023-10-03 | 济南市勘察测绘研究院 | Computer geographic information scanning survey system |
| CN116839558B (en) * | 2023-09-01 | 2023-11-24 | 济南市勘察测绘研究院 | Computer geographic information scanning survey system |
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