Flow measuring equipment of mine ventilator

By designing a combined structure of a limiting plate, a contact rod, and an adjusting screw, the problem of poor compatibility between the measuring cylinder of the mine ventilation fan and the air duct was solved, achieving simple and quick installation and stable fixation, and improving installation compatibility and stability.

CN223815138UActive Publication Date: 2026-01-20CHINA NAT GOLD GRP JIAPIGOU MINING CO LTD
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Patent Information

Application Number
CN202423182013.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-01-20
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The measuring cylinder of existing mine ventilation fans is inconvenient to install, especially due to its poor compatibility with air ducts of different diameters, which limits its installation.

Method used

A flow measurement device for a mine ventilation fan was designed, which uses a measuring cylinder and mounting components, including a limiting plate, a contact rod, and an adjusting screw. The adjusting screw pushes the contact rod to slide in the slide rail. The end of the contact rod protrudes from the limiting plate and abuts against the inner wall of the air duct. Multiple contact rods together support the limiting measuring cylinder. The contact force is enhanced by the internal threaded hole and deformation groove to achieve stable fixation.

Benefits of technology

It enables flexible adaptation and stable installation of the measuring cylinder and the air duct, simplifies the installation process, and improves the flexibility and stability of the installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of measuring equipment, and discloses flow measuring equipment of a mine ventilator, which comprises a measuring cylinder; the mounting assemblies comprise limiting plates, abutting rods and adjusting screw rods, the limiting plates are detachably connected with the measuring cylinder, the adjusting screw rods are rotatably connected with the limiting plates, the abutting rods are slidably connected with the limiting plates, the adjusting screw rods are in threaded connection with the abutting rods, and the multiple mounting assemblies are arranged at the end of the measuring cylinder. The flange at the end of the measuring cylinder can be locked with the matched air pipe, the measuring cylinder is limited and fixed through the three mounting assemblies at the end of the measuring cylinder when the measuring cylinder needs to be mounted in an air pipe cavity, and during specific use, the adjusting screw is rotated to push the abutting rod to slide in the slide way, so that the measuring cylinder is fixed. The end parts of the abutting rods protrude out of the limiting plates and abut against the inner wall of the air pipe, the three abutting rods jointly support and limit the measuring cylinder, the measuring cylinder is fixed, better installation flexibility and adaptability are achieved, and the installation mode is simple, convenient and rapid.
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Description

TECHNICAL FIELD

[0001] The utility model relates to measuring equipment technical field especially relates to a flow measurement equipment of mine ventilator. BACKGROUND

[0002] Ventilator is used for each place ventilation of mine, mainly through the air pipe to send the air on the ground into the well.

[0003] The prior art discloses a kind of mine ventilator multi-parameter tester (publication number: CN221238421U), it is related to the technical field of tester equipment, it includes box and measuring cylinder, measuring cylinder is horizontally arranged, box is located the top of measuring cylinder, and is fixedly connected with measuring cylinder, display module is arranged on box, measuring module is arranged in measuring cylinder, measuring module is electrically connected with display module, and measuring module includes air volume test component, temperature test component, humidity test component and wind speed test component.

[0004] The prior art mainly realizes the measurement of various parameters of wind by wind flow through measuring cylinder, cooperates various electronic components, and the measuring cylinder needs to be connected with the air pipe, and the prior art needs to connect the end of measuring cylinder with the port of air pipe, and the diameter of air pipe is big or small, for the air pipe that is not adapted to its port, its installation is limited, causing installation to exist inconvenience, and there is certain optimization space.

[0005] Therefore, we propose a kind of flow measurement equipment of mine ventilator. INVENTION CONTENTS

[0006] The utility model mainly solves the technical problem that the above-mentioned measuring cylinder installation exists inconvenience, provides a kind of flow measurement equipment of mine ventilator.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme, a kind of flow measurement equipment of mine ventilator, including:

[0008] Measuring cylinder, measuring cylinder forms circular pipe structure, and air volume meter and sensor are fixedly installed on the inner wall of measuring cylinder, and processing box is also fixedly installed on the inner wall of measuring cylinder, and air volume meter and sensor are electrically connected with processing box;

[0009] Installation component is arranged at the port of measuring cylinder for fixing measuring cylinder, and the installation component includes limiting plate, contact lever and adjusting screw, the limiting plate is detachably connected with measuring cylinder, the adjusting screw is rotatably connected with the limiting plate, the contact lever is slidably connected with the limiting plate, and the adjusting screw is threadedly connected with the contact lever, and the end of measuring cylinder is provided with a plurality of installation components, and a plurality of contact levers jointly contact and limit measuring cylinder.

[0010] As a preferred mode of the utility model, the installation assembly further comprises a sliding channel, the wall surface of the limiting plate is provided with the sliding channel, and the abutting rod is slidably arranged in the sliding channel.

[0011] As a preferred mode of the utility model, the installation assembly further comprises an ear plate, the ear plate is fixedly connected with the limiting plate, and the ear plate is locked and fixed with the measuring cylinder through bolts.

[0012] As a preferred mode of the utility model, the inner wall of the measuring cylinder is provided with a threaded hole, the ear plate is integrally formed with the limiting plate, the ear plate is provided with an installation hole in penetration, and the bolt is fastened through the installation hole and the threaded hole of the measuring cylinder.

[0013] As a preferred mode of the utility model, the abutting rod forms a rectangular rod body structure, the abutting rod is used in cooperation with the sliding channel, and the depth of the sliding channel is smaller than the length of the limiting plate.

[0014] As a preferred mode of the utility model, the installation assembly further comprises an internal thread hole and a deformation groove, a plurality of deformation grooves are formed in the end of the abutting rod, the internal thread hole is formed in the end of the abutting rod and penetrates the abutting rod, and the adjusting screw is threadedly connected with the internal thread hole.

[0015] As a preferred mode of the utility model, the internal thread hole is matched with the adjusting screw, the deformation groove forms a groove with a V-shaped cross section, and the end of the abutting rod forms a concave-convex contact surface through the plurality of deformation grooves.

[0016] The utility model provides a kind of flow measurement equipment of mine ventilator.There is following beneficial effect:

[0017] 1. The flow measurement equipment of mine ventilator can lock the flange at the end of the measuring cylinder with the matching air pipe, and for the case where the measuring cylinder needs to be installed in the air pipe cavity, the end of the measuring cylinder is limited and fixed by three installation assemblies, in specific use, the adjusting screw is rotated, the adjusting screw pushes the abutting rod to slide in the sliding channel, and then the end of the abutting rod protrudes from the limiting plate and abuts against the inner wall of the air pipe, the three abutting rods jointly support the measuring cylinder, realize the fixation of the measuring cylinder, have better installation flexibility and adaptability, and the installation mode is simple and fast.

[0018] 2. The flow measurement equipment of mine ventilator is provided with an internal thread hole, so that the rotation of the adjusting screw can drive the abutting rod to linearly slide in the sliding channel, and the deformation groove is arranged, so that the end of the abutting rod forms a concave-convex contact surface, and when the end of the abutting rod abuts against the inner wall of the air pipe, it has greater contact force, inhibits the displacement of the measuring cylinder as a whole, and has stronger stability after installation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall perspective view of the utility model.

[0020] Figure 2 It is the partial section view of the measuring cylinder of the utility model;

[0021] Figure 3 It is the perspective view of the installation assembly of the utility model;

[0022] Figure 4 It is the perspective view of the limiting plate of the utility model;

[0023] Figure 5 It is the perspective view of the abutting rod of the utility model.

[0024] Legend: 10, measuring cylinder; 20, limiting plate; 21, abutting rod; 22, adjusting screw; 23, slide; 24, ear plate; 30, internal thread hole; 31, deformation groove. DETAILED DESCRIPTION

[0025] A flow measurement device of a mine ventilator, as shown in the figure, comprising: Figure 1

[0026] The measuring cylinder 10 forms a circular tube structure, and a wind volume meter and a sensor are fixedly installed on the inner wall of the measuring cylinder 10. A processing box is also fixedly installed on the inner wall of the measuring cylinder 10. The wind volume meter and the sensor are electrically connected with the processing box. Specifically, a processor is installed in the processing box. The wind volume meter and the sensor are electrically connected with the processor, so as to measure the air volume flowing through the chamber of the measuring cylinder 10. The sensor includes a temperature and humidity sensor and a flow rate sensor, and the specific specifications are not limited.

[0027] ​The installation assembly is arranged at the port of the measuring cylinder 10 for fixing the measuring cylinder 10, and the installation assembly comprises a limiting plate 20, a contact rod 21 and an adjusting screw 22, the limiting plate 20 is detachably connected with the measuring cylinder 10, the adjusting screw 22 is rotationally connected with the limiting plate 20, the contact rod 21 is slidingly connected with the limiting plate 20, the adjusting screw 22 is threadedly connected with the contact rod 21, the end of the measuring cylinder 10 is provided with a plurality of installation assemblies, and the plurality of contact rods 21 jointly contact and limit the measuring cylinder 10, the installation assembly further comprises a sliding groove 23, the wall surface of the limiting plate 20 is provided with the sliding groove 23, and the contact rod 21 is slidingly arranged in the sliding groove 23, the installation assembly further comprises an ear plate 24, the ear plate 24 is fixedly connected with the limiting plate 20, the ear plate 24 is locked and fixed with the measuring cylinder 10 through bolts, the inner wall of the measuring cylinder 10 is provided with a threaded hole, the ear plate 24 is integrally formed with the limiting plate 20, the ear plate 24 is provided with an installation hole in penetration, and the bolts pass through the installation hole and are fastened with the threaded hole of the measuring cylinder 10, the contact rod 21 forms a rectangular rod body structure, the contact rod 21 and the sliding groove 23 are used in cooperation, and the depth of the sliding groove 23 is smaller than the length of the limiting plate 20, in the scheme, since the measuring cylinder 10 is to be installed with the air supply pipe, the flange at the end of the measuring cylinder 10 can be locked with the matched air pipe, for the case that the measuring cylinder 10 needs to be installed in the air pipe cavity, the end of the measuring cylinder 10 is limited and fixed through the three groups of installation assemblies, specifically in use, the adjusting screw 22 is rotated, the adjusting screw 22 pushes the contact rod 21 to slide in the sliding groove 23, then the end of the contact rod 21 protrudes from the limiting plate 20 and contacts the inner wall of the air pipe, the three contact rods 21 jointly support and limit the measuring cylinder 10, the fixing of the measuring cylinder 10 is realized, better installation flexibility and adaptability are achieved, and the installation mode is simple and fast.

[0028] The installation assembly further comprises an internal thread screw hole 30 and a deformation groove 31, a plurality of deformation grooves 31 are formed at the end of the contact rod 21, the internal thread screw hole 30 is formed at the end of the contact rod 21 and penetrates the contact rod 21, the adjusting screw 22 is threadedly connected with the internal thread screw hole 30, the internal thread screw hole 30 is matched with the adjusting screw 22, the deformation groove 31 forms a groove with a V-shaped cross section, the end of the contact rod 21 forms a concave-convex contact surface through the plurality of deformation grooves 31, the internal thread screw hole 30 is formed, the rotation of the adjusting screw 22 can drive the contact rod 21 to linearly slide in the sliding groove 23, and the deformation groove 31 is arranged, so that the end of the contact rod 21 forms a concave-convex contact surface, when the end of the contact rod 21 contacts the inner wall of the air pipe, a greater contact force is formed, the displacement of the measuring cylinder 10 as a whole is inhibited, and the stability after installation is stronger.

[0029] The working principle of the utility model:

[0030] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A flow measuring device for a mine ventilation fan, characterised in that, Include: Measuring cylinder (10), measuring cylinder (10) forms a circular tube structure, the inner wall of measuring cylinder (10) is fixedly installed with air volume meter and sensor, and the inner wall of measuring cylinder (10) is also fixedly installed with processing box, and the air volume meter and sensor are electrically connected with the processing box; The installation assembly is arranged at the port of the measuring cylinder (10) for fixing the measuring cylinder (10), the installation assembly comprises a limiting plate (20), a resisting rod (21) and an adjusting screw (22), the limiting plate (20) is detachably connected with the measuring cylinder (10), the adjusting screw (22) is rotatably connected with the limiting plate (20), the resisting rod (21) is slidably connected with the limiting plate (20), the adjusting screw (22) is threadedly connected with the resisting rod (21), and the end of the measuring cylinder (10) is provided with a plurality of installation assemblies, and the plurality of resisting rods (21) jointly resist the limiting measuring cylinder (10).

2. A flow measurement device for a mine ventilator as claimed in claim 1, characterised in that: The installation assembly further comprises a slide (23), and the wall surface of the limiting plate (20) is provided with the slide (23), and the resisting rod (21) is slidably arranged in the slide (23).

3. The flow measurement device for a mine ventilator of claim 1, wherein: The installation assembly further comprises an ear plate (24), the ear plate (24) is fixedly connected with the limiting plate (20), and the ear plate (24) is locked and fixed with the measuring cylinder (10) through bolts.

4. A flow measuring device for a mine ventilator as claimed in claim 3, characterised in that: The inner wall of the measuring cylinder (10) is provided with a threaded hole, the ear plate (24) is integrally formed with the limiting plate (20), the ear plate (24) is provided with a mounting hole penetrating through, and the bolt passes through the mounting hole and is fastened with the threaded hole of the measuring cylinder (10).

5. The flow measurement device for a mine ventilation fan of claim 1, wherein: The resisting rod (21) forms a rectangular rod body structure, the resisting rod (21) is used in cooperation with the slide (23), and the depth of the slide (23) is less than the length of the limiting plate (20).

6. The flow measurement device for a mine ventilation fan of claim 1, wherein: The installation assembly further comprises an internal thread hole (30) and a deformation groove (31), a plurality of deformation grooves (31) are formed at the end of the resisting rod (21), the internal thread hole (30) is formed at the end of the resisting rod (21) and penetrates through the resisting rod (21), and the adjusting screw (22) is threadedly connected with the internal thread hole (30).

7. A flow measuring device for a mine ventilator as claimed in claim 6, characterised in that: The internal thread hole (30) is matched with the adjusting screw (22), the deformation groove (31) forms a groove with V-shaped cross section, and the end of the resisting rod (21) forms a concave-convex contact surface through a plurality of deformation grooves (31).

Citation Information

Patent Citations

  • Multi-parameter tester for mine ventilator

    CN221238421U