CN217109052U - A wind pressure sensor fixing device for chimney actual measurement - Google Patents
A wind pressure sensor fixing device for chimney actual measurement Download PDFInfo
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- CN217109052U CN217109052U CN202220940797.3U CN202220940797U CN217109052U CN 217109052 U CN217109052 U CN 217109052U CN 202220940797 U CN202220940797 U CN 202220940797U CN 217109052 U CN217109052 U CN 217109052U
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- wind pressure
- steel cable
- chimney
- pressure sensor
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Abstract
The utility model belongs to the technical field of the chimney wind pressure test, concretely relates to a wind pressure sensor fixing device for chimney actual measurement. The fixing device of the wind pressure sensor for actually measuring the chimney comprises a wind pressure sensor, a mounting seat, a steel cable and a steel cable fastening assembly; the wind pressure sensor is fixedly arranged on the mounting seat; a plurality of mounting seats and a plurality of wind pressure sensors are correspondingly arranged, and the mounting seats are locked on the steel cable through the steel cable fastening assembly; the steel cable is detachably fixed on the surface of the chimney. The utility model discloses a harm that is used for chimney actual measurement's wind pressure sensor fixing device can effectively avoid causing chimney and wind pressure sensor can realize wind pressure sensor's used repeatedly, easily installation.
Description
Technical Field
The utility model belongs to the technical field of the chimney wind pressure test, concretely relates to a wind pressure sensor fixing device for chimney actual measurement.
Background
The chimney is a high-rise thin-shell structure and is particularly sensitive to wind load, and the wind load is controlled by structural design under general conditions. And the important significance of the actual wind load on the surface of the chimney is exactly given. Under the condition of strong wind, the Reynolds number of the large-scale full-size chimney reaches 10 7 Above the level, generally difficult to realize in the wind tunnel, therefore it is necessary to develop the dynamic wind pressure measurement of the full-scale chimney surface, it is the most direct and important way to study the actual wind pressure distribution of the chimney, and it is also the standard to check whether the model test method and the theoretical analysis method are accurate or not.
At present, in the field test of a chimney, the installation of a wind pressure sensor is completed by high-altitude operators, and the specific installation method mainly comprises two methods: one is that strong glue is smeared on the back of the sensor and is stuck on the surface of the chimney; and the other method is to fix the wind pressure sensor to a specified position of the chimney in a bolting mode.
However, the existing installation method of the wind pressure sensor has a plurality of disadvantages. At first, with the fixed wind pressure sensor of current dual mode, all can become the damage of certain degree to chimney itself, if the fixed sensor of mode through pasting, dismantle the sensor and not only can harm the chimney surface, also can cause the harm to wind pressure sensor moreover, can't reuse to cause huge waste. Secondly, the existing installation method needs high-altitude operators to position and install the wind pressure sensors one by one, so that certain risks are caused, and time and labor are wasted.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wind pressure sensor fixing device for chimney actual measurement to when solving or improving prior art and being fixed in the chimney surface with wind pressure sensor, cause harm, wind pressure sensor can not used repeatedly, the installation degree of difficulty to at least one item problem in big etc. easily chimney and wind pressure sensor.
In order to achieve the above object, the present invention provides the following technical solutions: a wind pressure sensor fixing device for chimney actual measurement comprises a wind pressure sensor, a mounting seat, a steel cable and a steel cable fastening assembly; the wind pressure sensor is fixedly arranged on the mounting seat; a plurality of mounting seats and a plurality of wind pressure sensors are correspondingly arranged, and the mounting seats are locked on the steel cable through the steel cable fastening assembly; the steel cable is detachably fixed on the surface of the chimney.
Preferably, the steel cable fastening assembly comprises a fixing piece, a bolt and a nut, at least two groups of mounting holes are formed in positions corresponding to the fixing piece and the mounting seat, the bolt penetrates through the mounting holes, and the nut is in threaded connection with the bolt; in the radial direction of the steel cable, the steel cable is arranged between the fixing piece and the mounting seat; at least two groups of mounting holes are arranged in the direction perpendicular to the axis of the steel cable, and the at least two groups of mounting holes are distributed on two sides of the steel cable.
Preferably, in the axial direction of the steel cable, two ends of the steel cable are respectively provided with a steel cable double clamp, and the steel cable is wound through the steel cable double clamps to form a connecting ring.
Preferably, the wind pressure sensor fixing device for chimney actual measurement further comprises a tension connecting piece, and the tension connecting piece is connected with the connecting ring.
Preferably, the tension connection member is a turn buckle.
Preferably, the turnbuckle is an OC-type turnbuckle, an O-type end of the OC-type turnbuckle is connected with the connecting ring, and a C-type end of the OC-type turnbuckle is connected with an adjacent turnbuckle.
Preferably, two opposite sides of the mounting seat are respectively fixed on the steel cable.
Preferably, the wire rope fastening assembly is locked on the wire rope; the junction box is provided with a junction box data receiving port and a junction box data sending port, the junction box data receiving port is connected with the data sending port of the wind pressure sensor through a data transmission line, and the junction box data sending port is connected with an operating computer through the data transmission line.
Preferably, the data transmission line is fixed to the wire rope.
Preferably, the fixing device of the wind pressure sensor for chimney actual measurement further comprises an adjusting rope, one end of the adjusting rope is fixedly connected with the steel cable, and the other end of the adjusting rope is arranged at a position higher than the steel cable in the height direction of the chimney; the regulation rope is equipped with a plurality ofly, and is a plurality of adjust the rope interval and set up.
Has the advantages that:
the wind pressure sensor fixing device for chimney actual measurement of the utility model fixes the wind pressure sensor on the mounting seat and fixes a plurality of mounting seats on the steel cable, thereby not only effectively avoiding or improving the condition that the wind pressure sensor is directly fixed on the surface of the chimney and the chimney is damaged; because the steel cable is provided with the plurality of mounting seats, the plurality of wind pressure sensors can be fixedly mounted on the plurality of mounting seats, and when the steel cable is fixed on the surface of the chimney, the mounting of the plurality of wind pressure sensors can be simultaneously realized, which is beneficial to improving the mounting efficiency and the safety of the wind pressure sensors; in addition, be fixed in the chimney surface through adopting the detachable mode with the cable wire, be convenient for realize the utility model discloses a reuse for chimney actual measurement's wind pressure sensor fixing device reduces the waste of chimney wind pressure actual measurement fund.
Adopt the utility model discloses a wind pressure sensor fixing device for chimney actual measurement is used for chimney surface wind pressure sensor's installation, has simple, high efficiency, labour saving and time saving's advantage, and is different with present mounting method, and almost all key steps are subaerial completion, only need hang the appointed height with each group's wind pressure sensor of installing, by professional butt joint can.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. Wherein:
fig. 1 is a schematic view of a connection structure of a wind pressure sensor, a mounting seat and a steel cable of a wind pressure sensor fixing device for chimney actual measurement according to an embodiment of the present invention;
fig. 2 is a schematic view of a distribution structure of a wind pressure sensor fixing device for chimney actual measurement on a steel cable according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the overall structure of the fixing device of a wind pressure sensor for chimney actual measurement according to the embodiment of the present invention;
fig. 4 is a schematic front structural view of a terminal box in a wind pressure sensor fixing device for chimney actual measurement according to an embodiment of the present invention;
fig. 5 is a schematic reverse side view of a terminal box of a wind pressure sensor fixing device for chimney actual measurement according to an embodiment of the present invention;
fig. 6 is a schematic view of an overall connection structure of a plurality of wind pressure sensor fixing devices for chimney actual measurement according to an embodiment of the present invention;
fig. 7 is a structural diagram of a using state of an adjusting rope in a wind pressure sensor fixing device for chimney actual measurement according to an embodiment of the present invention;
reference numerals:
1-mounting a base; 2-a wire rope fastening assembly; 3-a steel cord; 4-a wind pressure sensor; 5-turnbuckle; 6-steel cable double clamp; 7-adjusting ropes; 8-a chimney; 9-a junction box; 10-a data transmission line;
21-a fixing sheet; 22-a nut;
31-a connecting ring;
a 51-O type terminal; type 52-C terminal;
91-terminal block data receiving port; 92-terminal block data transmission port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
The present invention will be described in detail with reference to examples. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
To in present actual engineering, when being fixed in the chimney surface with wind pressure sensor, the easy of existence causes harm, wind pressure sensor can not used repeatedly, the big scheduling problem of the installation degree of difficulty to chimney and wind pressure sensor, the utility model provides a wind pressure sensor fixing device for chimney actual measurement to solve at least one problem in the aforesaid.
As shown in fig. 1, the wind pressure sensor fixing device for chimney actual measurement of the present invention comprises a wind pressure sensor 4, a mounting seat 1, a steel cable 3 and a steel cable fastening assembly 2; the wind pressure sensor 4 is fixedly arranged on the mounting seat 1; a plurality of installation bases 1 and a plurality of wind pressure sensors 4 are correspondingly arranged (for example, one wind pressure sensor 4 is correspondingly arranged with one installation base 1, namely the number of the wind pressure sensors 4 is the same as that of the installation bases 1), and the installation bases 1 are locked on a steel cable 3 through a steel cable fastening component 2; the steel cable 3 is detachably fixed on the surface of the chimney. The wind pressure sensor fixing device for chimney actual measurement of the utility model can not only effectively avoid or improve the condition that the wind pressure sensor 4 is directly fixed on the chimney surface and can damage the chimney by fixing the wind pressure sensor 4 on the mounting seat 1 and fixing the mounting seats 1 on the steel cable 3; because the steel cable 3 is provided with the plurality of mounting seats 1, the plurality of wind pressure sensors 4 (the overall structure schematic diagram is shown in fig. 2) can be fixedly mounted on the plurality of mounting seats 1, when the steel cable 3 is fixed on the surface of a chimney, the mounting of the plurality of wind pressure sensors 4 can be simultaneously realized, and the mounting efficiency and the safety of the wind pressure sensors 4 are improved; in addition, be fixed in the chimney surface through adopting detachable mode with cable wire 3, be convenient for realize the utility model discloses a reuse for chimney actual measurement's wind pressure sensor fixing device. The wind pressure sensor fixing device for chimney actual measurement of the utility model does not specifically limit the structure of the mounting seat 1, and can fix the wind pressure sensor 4 and the steel cable 3; for example, the mount 1 may be a steel plate or the like. Similarly, the specific structure or shape of the fixing sheet 21 can also be selected according to actual needs; for example, the fixing piece 21 may be an iron piece or the like.
In the preferred embodiment of the present invention, as shown in fig. 1, the cable fastening assembly 2 includes a fixing plate 21, a bolt and a nut 22, at least two sets of mounting holes are disposed at the corresponding positions of the fixing plate 21 and the mounting seat 1 (wherein, a set of mounting holes refers to the mounting holes at the corresponding positions of the fixing plate 21 and the mounting seat 1; for example, the mounting holes at the corresponding positions of the two nuts 22 shown above the wind pressure sensor 4 in fig. 1 are two sets of mounting holes), the bolt is disposed in the mounting holes in a penetrating manner, and the nut 22 is in threaded connection with the bolt; in the radial direction of the steel cable 3, the steel cable 3 is arranged between the fixing piece 21 and the mounting seat 1 (the bolt and the nut 22 are matched to press the steel cable 3 to the fixing piece 21 so as to press the steel cable 3 to the mounting seat 1, so that the pressure of the fixing piece 21 can be adjusted by adjusting the position of the nut 22 on the bolt, and the steel cable 3 can be fixed on the mounting seat 1); on 3 axis directions of perpendicular to cable wire, be provided with at least two sets of mounting holes and distribute in the both sides of cable wire 3 (namely, can set up two sets of or more than two sets of mounting holes, and the mounting hole sets up the both sides at cable wire 3 respectively) so that at mounting hole department installation stationary blade 21, bolt and nut 22, guarantee cable wire 3 and 1 fixed connection's of mount pad stability.
The utility model discloses in the preferred embodiment, as shown in fig. 3, in 3 axial of cable wire, the both ends of cable wire 3 are equipped with two calories of 6 (also can be called board-like chuck, two presss from both sides, wire rope chuck, ingot chuck, two calories of, wire rope double clamp etc. respectively, can purchase and obtain, and its concrete structure is clear to technical personnel in the field, and no longer the repeated description), and cable wire 3 forms go-between 31 after passing through two calories of 6 of cable wire. Through the arrangement of the steel cable double clamps 6, the steel cable 3 can be wound through the steel cable double clamps 6 to form the connecting ring 31, so that the matching use among a plurality of steel cables 3 is convenient to realize.
The utility model discloses in the preferred embodiment, a wind pressure sensor fixing device for chimney actual measurement still includes the stretch-draw connecting piece, and the stretch-draw connecting piece links to each other with go-between 31. Through the tension connecting piece, when the steel cable 3 is fixed on the surface of the chimney, the steel cable 3 can be tensioned according to needs, and the steel cable 3 can be conveniently fixed on the surface of the chimney.
In the preferred embodiment of the present invention, as shown in fig. 3, the tension connection member is a turn buckle 5. The turn buckle 5 is extended and retracted by a lead screw, and the tightness of the steel cable 3 can be conveniently adjusted.
In the preferred embodiment of the present invention, as shown in FIG. 3, the turn buckle 5 is OC type turn buckle, the O-shaped end 51 of OC type turn buckle is connected to the connection ring 31, and the C-shaped end 52 of OC type turn buckle 5 is connected to the adjacent turn buckle 5 (wherein, the adjacent turn buckle 5 can be the same wind pressure sensor fixing device used for actual measurement of chimney, the turn buckle 5 at the other end of the steel cable 3, or, when used in cooperation with other wind pressure sensor fixing devices used for actual measurement of chimney, the adjacent turn buckle 5 used for the wind pressure sensor fixing device end part of actual measurement of chimney). Adopt OC type turnbuckle 5 for can be convenient a plurality of wind pressure sensor fixing device's that are used for the chimney actual measurement cooperation is used. For example, as shown in fig. 6, can be with four the utility model discloses a wind pressure sensor fixing device for chimney actual measurement uses in the cooperation, through with four the utility model discloses a wind pressure sensor for chimney actual measurement makes up into the annular, can conveniently be fixed in certain high department of chimney with it, realizes the wind pressure sensor's of the specific high department of chimney installation. A in fig. 6 is a connection position of the adjacent wind pressure sensor fixing devices for chimney actual measurement, and the specific connection structure refers to a position a in fig. 3.
In the preferred embodiment of the present invention, as shown in fig. 3, two opposite sides (upper and lower sides) of the mounting base 1 are fixed to the wire rope 3, respectively. By fixing the opposite sides (for example, the upper side and the lower side) of the mount 1 to the wire ropes 3, respectively, it is possible to contribute to improvement in stability of the mount 1 and, in turn, to improvement in stability of fixing of the wind speed sensor 4.
In the preferred embodiment of the present invention, as shown in fig. 3-5, the wind pressure sensor fixing device for chimney actual measurement of the present invention further comprises a junction box 9, wherein the junction box 9 is locked on the steel cable 3 through the steel cable fastening assembly 2; the junction box 9 is provided with a junction box data receiving port 91 and a junction box data transmitting port 92, the junction box data receiving port 91 is connected with the data transmitting port of the wind pressure sensor 4 through a data transmission line 10, and the junction box data transmitting port 92 is connected with an operating computer (not shown in the figure) through the data transmission line 10. Wherein, the function of terminal box 9 does: usually, a junction box is used as a transition at the junction of the wires (for example, the wires are relatively long, or the wire tubes are turned), so that a plurality of wires are connected in the junction box 9 to protect the wires. Preferably, the data transmission line 10 between the wind pressure sensor 4 and the junction box 9 can also be arranged in the electric wire pipe, so as to better protect the data transmission line 10. The junction box 9 can be locked to the wire rope 3 by using the same wire rope fastening assembly 2 as the wind pressure sensor 4. Specifically, in practical application, the fixing sheet 21 and the nut 22 may be disposed on the reverse side of the junction box 9 (i.e., the side of the junction box 9 close to the chimney) so as to facilitate the installation of the data transmission line 10. Similarly, the fixing piece 21 and the nut may be provided on the front surface of the junction box 9 (i.e., the surface of the junction box 9 away from the chimney).
In the preferred embodiment of the present invention, the data transmission lines of the plurality of wind pressure sensors 4 are fixed to the wire rope 3. Specifically, the data transmission lines 10 of the wind pressure sensor may be fixed on each group of the steel cables 3, and connected to the terminal box data receiving port 91 along the steel cables 3, and then the same number of data transmission lines 10 are led out from the terminal box data transmitting port 92, and led to the inside of the chimney from the nearest window, extended to the ground, and then the window is closed. The above arrangement can effectively ensure the stability of the fixation of the data transmission line 10 of the wind pressure sensor 4, thereby being helpful for ensuring the working stability of the wind pressure sensor 4.
The utility model discloses in the preferred embodiment, as shown in fig. 7, the utility model discloses a wind pressure sensor fixing device for chimney actual measurement still includes adjusts rope 7, adjusts the one end and the 3 fixed connection of cable wire of rope 7, adjusts the position department that the setting of the 7 other ends of rope is higher than cable wire 3 in the direction of height of chimney 8 (for example, can set up at chimney 8 top). Through the setting of adjusting rope 7 for the position of wind pressure sensor 4 is adjusted to the mode that the rope 7 was adjusted in the pine pulling of accessible, is convenient for be fixed in the specific position department of chimney 8 with wind pressure sensor 4 as required.
The utility model discloses in the preferred embodiment, adjust rope 7 and be equipped with a plurality ofly, a plurality ofly adjust 7 intervals settings of rope. The plurality of adjusting ropes 7 arranged at intervals make it possible to locally adjust the position of the wind pressure sensor 4 as needed. For example, three adjustment cords 7 may be provided; three adjusting ropes 7 are respectively arranged at the two ends and the middle position of the length of the steel cable 3.
In the preferred embodiment of the present invention, the adjusting rope 7 is detachably connected to the steel cable 3.
The utility model discloses in preferred embodiment, the utility model discloses a use method for chimney actual measurement's wind pressure sensor fixing device as follows: firstly, according to the diameter of the chimney 8 at the installation height of the wind pressure sensors 4, grouping the wind pressure sensors 4, and stringing the wind pressure sensors 4 of each group by two thin steel cables 3 (as shown in fig. 1), wherein the length of each group of steel cables 3 is also determined by the diameter of the chimney 8 at the installation height. The wind pressure sensor 4 is fixed on the mounting base 1 (the mounting base 1 can be made of steel plate, etc.), and the specific position of the wind pressure sensor 4 on the steel cable 3 is locked by a fixing piece 21, a bolt and a nut 22. The steel cables 3 at the two ends of each group of wind pressure sensors 4 are provided with turn-buckle bolts 5 (as shown in fig. 3) to complete the subsequent butt joint and tightening.
Next, the sensors of each group are tied at both ends with adjusting ropes 7 and are pulled up to a prescribed height from outside the chimney 8 (see fig. 7). In order to ensure that all the wind pressure sensors 4 are at the same height, a certain number of ropes can be hung from the top of the chimney 8 and tied at corresponding positions of the steel cable 3 (except two ends of each group of sensors), and then, the position of the wind pressure sensors 4 can be adjusted by a person at the top of the chimney 8 in a mode of loosening and pulling the adjusting ropes 7.
Finally, the C-shaped end 52 (steel hook) of the turn buckle 5 is butted by the high-altitude operator (as shown in FIG. 5), and the steel cable 3 is tightened by adjusting the turn buckle 5, and the butt joint positions of the respective pairs are shown in FIG. 4. The data transmission line of each wind pressure sensor 4 can be fixed on each group of steel cables 3, and is led to the interior of the chimney 8 from the position of the window closest to the steel cables 3, extends to the ground, and then closes the window.
After the installation according to the scheme is completed, the testing instrument can be placed on the ground, the high-altitude operation is not performed in the testing process, and after the testing is completed, a person can detach and withdraw the instrument from a window with the designated height of the chimney 8. The utility model discloses a wind pressure sensor fixing device for 8 actual measurements of chimney can effectively reduce or avoid in the use to wind pressure sensor 4's harm, can realize many times, the used repeatedly of wind pressure sensor 4, reduces the actual measurement's of 8 wind pressures of chimney cost.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A wind pressure sensor fixing device for chimney actual measurement is characterized by comprising a wind pressure sensor, a mounting seat, a steel cable and a steel cable fastening assembly;
the wind pressure sensor is fixedly arranged on the mounting seat;
a plurality of mounting seats and a plurality of wind pressure sensors are correspondingly arranged, and the mounting seats are locked on the steel cable through the steel cable fastening assembly;
the steel cable is detachably fixed on the surface of the chimney.
2. The wind pressure sensor fixing device for chimney actual measurement according to claim 1, wherein the steel cable fastening assembly includes a fixing piece, a bolt and a nut, at least two sets of mounting holes are provided at positions corresponding to the fixing piece and the mounting seat, the bolt is disposed in the mounting hole in a penetrating manner, and the nut is in threaded connection with the bolt;
in the radial direction of the steel cable, the steel cable is arranged between the fixing piece and the mounting seat;
at least two groups of mounting holes are arranged in the direction perpendicular to the axis of the steel cable, and the at least two groups of mounting holes are distributed on two sides of the steel cable.
3. The wind pressure sensor fixing device for chimney actual measurement according to claim 1, wherein, in the axial direction of the steel cable, two ends of the steel cable are respectively provided with a steel cable double clamp, and the steel cable is wound through the steel cable double clamps to form a connecting ring.
4. The apparatus of claim 3, further comprising a tension connector, wherein the tension connector is connected to the connection ring.
5. The wind pressure sensor fixing device for chimney actual measurement according to claim 4, wherein the tension connecting piece is a turn buckle.
6. The wind pressure sensor fixing device for chimney actual measurement according to claim 5, wherein the turn buckle is an OC type turn buckle, the O-shaped end of the OC type turn buckle is connected to the connecting ring, and the C-shaped end of the OC type turn buckle is connected to an adjacent turn buckle.
7. The wind pressure sensor fixing device for chimney actual measurement according to any one of claims 1-6, wherein two opposite sides of the mounting seat are respectively fixed to the steel cable.
8. The wind pressure sensor fixing device for chimney actual measurement according to claim 1 or 2, further comprising a junction box, wherein the junction box is locked on the steel cable through the steel cable fastening assembly;
the junction box is provided with a junction box data receiving port and a junction box data sending port, the junction box data receiving port is connected with the data sending port of the wind pressure sensor through a data transmission line, and the junction box data sending port is connected with an operating computer through the data transmission line.
9. The wind pressure sensor fixing device for chimney actual measurement according to claim 8, wherein the data transmission line is fixed on the steel cable.
10. The fixing device of the wind pressure sensor for chimney actual measurement according to claim 1, further comprising an adjusting rope, one end of the adjusting rope is fixedly connected to the steel cable, and the other end of the adjusting rope is disposed at a position higher than the steel cable in the height direction of the chimney;
the regulation rope is equipped with a plurality ofly, and is a plurality of adjust the rope interval and set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220940797.3U CN217109052U (en) | 2022-04-21 | 2022-04-21 | A wind pressure sensor fixing device for chimney actual measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220940797.3U CN217109052U (en) | 2022-04-21 | 2022-04-21 | A wind pressure sensor fixing device for chimney actual measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217109052U true CN217109052U (en) | 2022-08-02 |
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ID=82583752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220940797.3U Active CN217109052U (en) | 2022-04-21 | 2022-04-21 | A wind pressure sensor fixing device for chimney actual measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217109052U (en) |
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2022
- 2022-04-21 CN CN202220940797.3U patent/CN217109052U/en active Active
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