Height testing device for coal mine water flowing fractured zone

Abstract

The utility model discloses a coal mine water flowing fractured zone height testing device, and relates to the technical field of fractured zone height testing. The gas detector comprises a sleeve, a rubber plug is arranged in the sleeve in a sliding fit mode, and a gas detector is arranged in the lower end of the rubber plug. The sliding disc is arranged on the upper end portion of the rubber plug, the sliding disc is in sliding fit with the upper end portion of the sleeve, the outer side wall of the sliding disc is in rotating fit with a rotating cylinder, and the inner side wall of the rotating cylinder is in threaded fit with the outer side wall of the upper end of the sleeve. According to the utility model, through the arrangement of the rotating cylinder, the rotating cylinder is taken down from the upper end part of the sleeve under the action of a worker, and the positioning of the sliding disc is relieved through the rotating cylinder, so that the gas detector is driven by the rubber plug to measure the height of a fractured zone, and the process of measuring the height of the fractured zone is more convenient; and safe operation of underground mining of the coal mine is ensured.

Description

Technical Field

[0001] The utility model belongs to the field of measuring the height of the fissure zone, and specifically relates to a device for measuring the height of the water-conducting fissure zone in coal mines. Background Art

[0002] Underground coal mining will cause significant movement of the overlying strata of the roof of the coal mining face, resulting in fissures and fractures in the strata. It is necessary to measure the height of the water-conducting fissure zone on site. Existing testing devices can only reveal the approximate range of the development height of the fissure zone and cannot directly measure the height of the fissure zone, leading to the problem that safe operation cannot be guaranteed.

[0003] Therefore, a device for measuring the height of the water-conducting fissure zone in coal mines is proposed to solve the above drawbacks. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a device for measuring the height of the water-conducting fissure zone in coal mines.

[0005] To solve the above technical problem, the basic concept of the technical solution adopted by the utility model is as follows:

[0006] A device for measuring the height of the water-conducting fissure zone in coal mines includes a sleeve, a rubber plug is slidably fitted inside the sleeve, and a gas detector is installed inside the lower end of the rubber plug;

[0007] A sliding disk installed at the upper end of the rubber plug, the sliding disk is slidably fitted at the upper end of the sleeve, a rotating cylinder is rotatably fitted on the outer side wall of the sliding disk, and the inner side wall of the rotating cylinder is threadedly fitted with the outer side wall of the upper end of the sleeve.

[0008] Optionally, in order to improve the stability of the rubber plug when sliding inside the sleeve, a first annular plate is installed at the lower end of the sleeve, a second annular plate is installed at the upper end of the rubber plug, the second annular plate is located above the first annular plate, the second annular plate is slidably fitted inside the sleeve, the diameter of the inner side wall of the first annular plate is greater than the diameter of the outer side wall of the rubber plug, and scales are provided on the outer side walls of the sleeve and the rubber plug.

[0009] Optionally, in order to install the sliding disk at the upper end of the second annular plate, two connecting rods are installed at the upper end of the second annular plate, the connecting rods are slidably fitted inside the sleeve, and the upper ends of the connecting rods are installed at the lower end of the sliding disk.

[0010] Optionally, in order to improve the stability of the connecting rod when sliding, two guiding holes are opened at the upper end of the sleeve, and the connecting rods are slidably fitted inside the guiding holes.

[0011] Optionally, in order to facilitate fixing the sliding disc on the upper end of the sleeve, an annular groove is provided on the outer side wall of the sliding disc, an annular column is installed on the rotating cylinder, the annular column is rotationally matched inside the annular groove, the cross sections of the annular groove and the annular column are both L-shaped, an external thread is provided on the outer side wall of the upper end of the sleeve, an internal thread is provided on the inner side wall of the rotating cylinder, and the external thread is in threaded cooperation with the internal thread.

[0012] After adopting the above technical solution, the present utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the present utility model does not necessarily need to achieve all the advantages described below at the same time:

[0013] The provided rotating cylinder enables the rotating cylinder to be removed from the upper end of the sleeve under the action of a worker, and the positioning of the sliding disc is released through the rotating cylinder, so as to realize measuring the height of the fissure zone by driving the gas detector with the rubber plug, making the process of measuring the height of the fissure zone more convenient, and further ensuring the safe operation of underground coal mining.

[0014] The following further describes in detail the specific embodiments of the present utility model with reference to the accompanying drawings. Description of the Drawings

[0015] The following drawings in the description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the attached

[0016] In the figures:

[0017] Figure 1 is a three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0018] Figure 2 is a bottom view structural schematic diagram of an embodiment of the present utility model;

[0019] Figure 3 is a cross-sectional structural schematic diagram of an embodiment of the present utility model Figure 1 ;

[0020] Figure 4 is a cross-sectional structural schematic diagram of an embodiment of the present utility model Figure 2 。

[0021] In the drawings, the list of components represented by each reference numeral is as follows:

[0022] Sleeve 1, rubber plug 101, gas detector 102, scale 103, first annular plate 104, second annular plate 105, connecting rod 106, sliding disc 107, annular groove 108, annular column 109, rotating cylinder 110, guiding hole 111.

[0023] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Detailed implementation manners

[0024] The present utility model will now be further described in detail with reference to the accompanying drawings.

[0025] Please refer to Figures 1-4 As shown, in this embodiment, a device for testing the height of water-conducting fissure zones in coal mines is provided, which includes a sleeve 1. A rubber plug 101 is slidably fitted inside the sleeve 1, and a gas detector 102 is installed inside the lower end of the rubber plug 101.

[0026] A sliding disk 107 installed at the upper end of the rubber plug 101 is slidably fitted at the upper end of the sleeve 1. A rotating cylinder 110 is rotatably fitted on the outer side wall of the sliding disk 107, and the inner side wall of the rotating cylinder 110 is threadedly fitted with the outer side wall of the upper end of the sleeve 1.

[0027] Working principle:

[0028] First, rotate the rotating cylinder 110. The rotating cylinder 110 is removed from the upper end of the sleeve 1, and the positioning of the sliding disk 107 is released through the rotating cylinder 110. Then, slide the sliding disk 107. The sliding disk 107 drives the gas detector 102 to move into the fissure zone through the rubber plug 101, and the height of the fissure zone is measured through the cooperation of the gas detector 102 and the rubber plug 101.

[0029] The rotating cylinder 110 is provided so that the rotating cylinder 110 can be removed from the upper end of the sleeve 1 under the action of the operator, and the positioning of the sliding disk 107 is released through the rotating cylinder 110, so as to realize measuring the height of the fissure zone by driving the gas detector 102 through the rubber plug 101, making the process of measuring the height of the fissure zone more convenient, and thus ensuring the safe operation of underground coal mining.

[0030] To make the sliding process of the connecting rod 106 on one side of the sleeve 1 in this embodiment more stable, the following structure is improved, as Figures 1-4 As shown, a first annular plate 104 is installed at the lower end of the sleeve 1 in this embodiment, and a second annular plate 105 is installed at the upper end of the rubber plug 101. The second annular plate 105 is located above the first annular plate 104. The second annular plate 105 is slidably fitted inside the sleeve 1. The diameter of the inner side wall of the first annular plate 104 is greater than the diameter of the outer side wall of the rubber plug 101. Two connecting rods 106 are installed at the upper end of the second annular plate 105. The connecting rods 106 are slidably fitted inside the sleeve 1. The upper end of the connecting rod 106 is installed at the lower end of the sliding disk 107. Scales 103 are provided on the outer side walls of the sleeve 1 and the rubber plug 101.

[0031] When this embodiment is in use, first slide the sliding disk 107. The sliding disk 107 drives the connecting rod 106 to slide inside the guiding hole 111. The connecting rod 106 drives the second annular plate 105 to slide inside the sleeve 1. The second annular plate 105 drives the gas detector 102 to move through the rubber plug 101, and measures and processes the height of the fissure zone through the scale 103 provided on one side of the sleeve 1 and the rubber plug 101.

[0032] The guiding hole 111 is provided to enable the connecting rod 106 to slide inside the guiding hole 111 under the action of the sliding disk 107, and guides the sliding direction of the connecting rod 106 through the guiding hole 111, reducing the problem of the connecting rod 106 tilting during sliding and improving the stability of the connecting rod 106 during sliding.

[0033] To make the fixing process of the sliding disk 107 of this embodiment at the upper end of the sleeve 1 more stable, the following structure is improved, as Figures 1-4 As shown, two guiding holes 111 are provided at the upper end of the sleeve 1 of this embodiment. The connecting rod 106 is slidably fitted inside the guiding holes 111. An annular groove 108 is provided on the outer side wall of the sliding disk 107. An annular column 109 is installed on the rotating cylinder 110. The annular column 109 is rotatably fitted inside the annular groove 108. The cross-sections of the annular groove 108 and the annular column 109 are both L-shaped. An external thread is provided on the outer side wall of the upper end of the sleeve 1, and an internal thread is provided on the inner side wall of the rotating cylinder 110. The external thread is in threaded fit with the internal thread.

[0034] When this embodiment is in use, first rotate the rotating cylinder 110. The rotating cylinder 110 drives the annular column 109 to rotate inside the annular groove 108. The rotating cylinder 110 is threadedly fitted on the upper end of the sleeve 1 through the internal thread and the external thread, and then fixes the sliding disk 107 at the upper end of the sleeve 1.

[0035] The annular groove 108 is provided to enable the annular column 109 to rotate inside the annular groove 108 under the action of the rotating cylinder 110, and guides the rotating direction of the annular column 109 through the annular groove 108, reducing the problem of the annular column 109 rotating out of the annular groove 108 and improving the stability of the annular column 109 during rotation.

[0036] The present utility model is not limited to the above embodiments. Anyone should know that structural changes made under the inspiration of the present utility model, as long as they have the same or similar technical solutions as the present utility model, all fall within the protection scope of the present utility model. The technologies, shapes, and structures not described in detail in the present utility model are all well-known technologies.

Claims

1. A coal mine water-conducting fracture zone height testing device, characterized in that: include: A sleeve (1), wherein a rubber plug (101) is slidably fitted inside the sleeve (1), and a gas detector (102) is installed inside the lower end of the rubber plug (101); A sliding disk (107) is mounted on the upper end of the rubber plug (101), and the sliding disk (107) is slidably engaged with the upper end of the sleeve (1). The outer wall of the sliding disk (107) is rotatably engaged with a rotating cylinder (110), and the inner wall of the rotating cylinder (110) is threadedly engaged with the outer wall of the upper end of the sleeve (1).

2. A coal mine water-conducting fracture zone height testing device according to claim 1, characterized in that: A first annular plate (104) is mounted on the lower end of the sleeve (1), and a second annular plate (105) is mounted on the upper end of the rubber plug (101). The second annular plate (105) is located on the upper side of the first annular plate (104). The second annular plate (105) is slidably fitted inside the sleeve (1). The outer side walls of the sleeve (1) and the rubber plug (101) are both provided with scales (103).

3. A coal mine water-conducting fracture zone height testing device according to claim 2, characterized in that: The diameter of the inner wall of the first annular plate (104) is greater than the diameter of the outer wall of the rubber plug (101).

4. A coal mine water-conducting fracture zone height testing device according to claim 2, characterized in that: Two connecting rods (106) are installed at the upper end of the second annular plate (105), and the connecting rods (106) are slidably fitted inside the sleeve (1).

5. A coal mine water-conducting fracture zone height testing device according to claim 4, characterized in that: The upper end of the connecting rod (106) is mounted on the lower end of the sliding plate (107).

6. A coal mine water-conducting fracture zone height testing device according to claim 4, characterized in that: Two guide holes (111) are provided at the upper end of the sleeve (1), and the connecting rod (106) is slidably fitted inside the guide holes (111).

7. A coal mine water-conducting fracture zone height testing device according to claim 1, characterized in that: The outer wall of the sliding disk (107) is provided with an annular groove (108), and the rotating cylinder (110) is provided with an annular column (109). The annular column (109) is rotatably engaged in the annular groove (108), and the cross-sections of the annular groove (108) and the annular column (109) are both L-shaped.

8. A coal mine water-conducting fracture zone height testing device according to claim 1, characterized in that: The outer wall of the upper end of the sleeve (1) is provided with an external thread, and the inner wall of the rotating cylinder (110) is provided with an internal thread, and the external thread is threadably matched with the internal thread.

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