Volume measuring device for wind exposed hole of coal face passing through old roadway

Abstract

The utility model relates to the technical field of coal mines, in particular to a device for measuring the volume of a wind exposed hole passing through an old roadway on a coal face, which comprises a supporting seat, an electric telescopic rod fixedly mounted on the left side of the supporting seat, a positioning block arranged at the left end of the electric telescopic rod, a measuring plate arranged on the left side of the positioning block, and a clamping groove arranged on the left side of the positioning block. A handle is fixedly installed on the side of the supporting seat, a first connecting rod is arranged on the outer side of the supporting seat, a second connecting rod is arranged at the right end of the first connecting rod, a driving motor is arranged on the inner side of the supporting seat, a lead screw is arranged on the right side of the supporting seat, a moving seat is arranged on the outer side of the lead screw, and sliding rods are arranged on the front side and the rear side of the lead screw. The driving motor drives the moving seat to approach the supporting seat until the joint of the first connecting rod and the second connecting rod abuts against the inner side of the hole, supporting and positioning of the supporting seat are achieved, the measuring plate is inserted into the clamping groove, the position of the measuring plate is adjusted by controlling the electric telescopic rod, and measurement of the aperture volume is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mines, in particular to a device for measuring the volume of wind-exposed holes in old lanes of a coal mining face. Background Art

[0002] "Old tunnels" refer to tunnels that have been decommissioned or closed during coal mining. These tunnels have been in use for too long and their supports have been severely deformed, posing a greater safety risk. "Old tunnel wind exposure holes" refer to holes drilled for ventilation and detection of the internal conditions of old tunnels when the excavation working face passes through them.

[0003] At present, when the excavation working face passes through the old tunnel, in order to ensure construction safety, it is necessary to record data such as the volume of the borehole to ensure the accuracy of the drilling construction data. Tools are needed to measure the volume of the hole. The existing coal mining working face passing through the old tunnel wind-exposed hole volume measurement lacks auxiliary positioning structure, which is prone to errors. The measurement process is time-consuming and labor-intensive, and the efficiency is low.

[0004] Therefore, in order to address the problems that the existing measurement of the volume of wind-exposed holes in old tunnels of coal mining faces lacks an auxiliary positioning structure, is prone to errors, and the measurement process is time-consuming, labor-intensive, and inefficient, a device for measuring the volume of wind-exposed holes in old tunnels of coal mining faces can be designed. By setting up a support structure that is easy to store, positioning and support can be provided for the measurement of the hole volume, thereby improving the measurement accuracy and efficiency. Utility Model Content

[0005] In order to overcome the problems that the existing volume measurement of wind-exposed holes in old lanes of coal mining faces lacks auxiliary positioning structures, is prone to errors, and the measurement process is time-consuming, labor-intensive and inefficient.

[0006] The technical solution of the utility model is: a volume measuring device for wind-exposed holes in old lanes of a coal mining working face comprises a support seat, an electric telescopic rod is fixedly installed on the left side of the support seat, a positioning block is provided at the left end of the electric telescopic rod, a measuring plate is provided on the left side of the positioning block, a locking groove is provided on the left side of the positioning block, a handle is fixedly installed on the side of the support seat, a connecting rod 1 is provided on the outer side of the support seat, a connecting rod 2 is provided on the right end of the connecting rod 1, a driving motor is provided on the inner side of the support seat, a screw rod is provided on the right side of the support seat, a movable seat is provided on the outer side of the screw rod, sliding rods are provided on the front and rear sides of the screw rod, and a connecting plate is provided on the right end of the screw rod.

[0007] Preferably, the screw rod is driven to rotate by a driving motor, so that the movable seat slides along the slide rod toward the support seat, driving the multiple connecting rods 1 and 2 to rotate until the connection between the connecting rods 1 and 2 abuts against the inner side of the hole, thereby realizing the support positioning of the support seat, inserting the measuring plate into the engaging groove, and adjusting the position of the positioning block by controlling the electric telescopic rod, thereby adjusting the position of the measuring plate, thereby realizing the measurement of the aperture volume, which is convenient and fast, and improves the measurement accuracy and stability.

[0008] Preferably, the output end of the electric telescopic rod is fixedly connected to the right side of the positioning block, and the positioning block is designed to be circular in structure.

[0009] Preferably, the engaging groove is designed in a cross-shaped structure, the measuring plate and the inner side of the engaging groove are adapted to each other, and the surface of the measuring plate is provided with a scale.

[0010] Preferably, connecting rod 1 is arranged in a circular array, the left end of connecting rod 1 is rotatably connected to the outer side of the support seat, the right end of connecting rod 1 is rotatably connected to connecting rod 2, and the right end of connecting rod 2 is rotatably connected to the outer side of the movable seat.

[0011] Preferably, the drive motor is fixedly connected to the inner side of the support seat, the output end of the drive motor extends to the outer side of the support seat and is fixedly connected to the left end of the screw rod, and the right end of the screw rod is rotatably connected to the connecting plate.

[0012] Preferably, the sliding rod and the screw rod are arranged in parallel, the left end of the sliding rod is fixedly connected to the support seat, and the right end of the sliding rod is fixedly connected to the connecting plate.

[0013] Preferably, the outer sides of the movable seat and the screw rod are connected by threads, a sliding hole is provided on the surface of the movable seat, and the sliding rod is slidably connected to the inner side of the sliding hole.

[0014] Beneficial effects of the utility model:

[0015] The device for measuring the volume of wind-exposed holes in old lanes of coal mining faces drives a lead screw to rotate by a driving motor, so that a movable seat slides along a slide rod toward a support seat, and drives a plurality of connecting rods 1 and 2 to rotate until the connection between connecting rods 1 and 2 abuts against the inner side of the hole, thereby achieving support positioning of the support seat, inserting a measuring plate into a snap-fit ​​groove, and adjusting the position of the positioning block by controlling an electric telescopic rod, thereby adjusting the position of the measuring plate, thereby achieving measurement of the aperture volume, which is convenient and fast, and improves measurement accuracy and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure diagram of the utility model of the device for measuring the volume of wind-exposed holes in the coal mining face passing through the old lane is shown. Figure 1 ;

[0017] Figure 2The three-dimensional structure diagram of the utility model of the device for measuring the volume of wind-exposed holes in the coal mining face passing through the old lane is shown. Figure 2 ;

[0018] Figure 3 The three-dimensional structure diagram of the utility model of the device for measuring the volume of wind-exposed holes in the coal mining face passing through the old lane is shown. Figure 3 ;

[0019] Figure 4 Shown is a schematic diagram of the cross-sectional three-dimensional structure of the utility model of the device for measuring the volume of wind-exposed holes in the coal mining face passing through the old lane;

[0020] Figure 5 The utility model is shown Figure 4 A magnified schematic diagram of .

[0021] Explanation of the accompanying reference numerals: 1. Support seat; 2. Electric telescopic rod; 3. Positioning block; 4. Measuring plate; 5. Engaging groove; 6. Handle; 7. Connecting rod 1; 8. Connecting rod 2; 9. Driving motor; 10. Screw rod; 11. Moving seat; 12. Sliding rod; 13. Connecting plate. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] See also Figure 1-Figure 5 The utility model provides an embodiment: a device for measuring the volume of wind-exposed holes in an old laneway of a coal mining face, comprising a support base 1, an electric telescopic rod 2 is fixedly installed on the left side of the support base 1, a positioning block 3 is provided at the left end of the electric telescopic rod 2, a measuring plate 4 is provided on the left side of the positioning block 3, a locking groove 5 is provided on the left side of the positioning block 3, a handle 6 is fixedly installed on the side of the support base 1, a connecting rod 1 7 is provided on the outside of the support base 1, a connecting rod 2 8 is provided on the right end of the connecting rod 1 7, a driving motor 9 is provided on the inside of the support base 1, a screw rod 10 is provided on the right side of the support base 1, a movable base 11 is provided on the outside of the screw rod 10, sliding rods 12 are provided on the front and rear sides of the screw rod 10, and a connecting plate 13 is provided on the right end of the screw rod 10.

[0024] See also Figures 1-4 In this embodiment, the output end of the electric telescopic rod 2 is fixedly connected to the right side of the positioning block 3. The positioning block 3 is designed in a circular structure, and the engaging groove 5 is designed in a cross-shaped structure. The measuring plate 4 and the inner side of the engaging groove 5 are adapted to each other. The surface of the measuring plate 4 is provided with a scale. The measuring plate 4 is inserted into the engaging groove 5. The position of the positioning block 3 is adjusted by controlling the electric telescopic rod 2, thereby adjusting the position of the measuring plate 4. The aperture, inclination, depth and other data of the hole are measured in conjunction with the scale on the surface of the measuring plate 4 and other auxiliary tools, thereby realizing the measurement of the aperture volume.

[0025] See also Figure 2-Figure 5 In this embodiment, the connecting rod 1 7 is arranged in a circular array, the left end of the connecting rod 1 7 is rotatably connected to the outer side of the support base 1, the right end of the connecting rod 1 7 is rotatably connected to the connecting rod 2 8, the right end of the connecting rod 2 8 is rotatably connected to the outer side of the movable base 11, the driving motor 9 is fixedly connected to the inner side of the support base 1, the output end of the driving motor 9 extends to the outer side of the support base 1 and is fixedly connected to the left end of the screw rod 10, the right end of the screw rod 10 is rotatably connected to the connecting plate 13, the sliding rod 12 and the screw rod 10 are arranged in parallel, the left end of the sliding rod 12 is fixedly connected to the support base 1, and the sliding rod 12 is fixedly connected to the inner side of the movable base 11. The right end of 12 is fixedly connected to the connecting plate 13, the outer side of the movable seat 11 and the screw rod 10 are threadedly connected, a sliding hole is opened on the surface of the movable seat 11, and the sliding rod 12 is slidably connected to the inner side of the sliding hole. The support seat 1, the movable seat 11 and other structures are inserted into the hole through the handle 6, and the screw rod 10 is driven to rotate by controlling the driving motor 9, so that the movable seat 11 slides along the sliding rod 12 toward the support seat 1, driving multiple connecting rods 1 7 and 2 8 to rotate until the connection between the connecting rod 1 7 and the connecting rod 2 8 is against the inner side of the hole, thereby realizing the support positioning of the support seat 1.

[0026] During operation, the support seat 1, movable seat 11 and other structures are inserted into the hole through the handle 6, and the screw 10 is driven to rotate by controlling the driving motor 9, so that the movable seat 11 slides along the slide rod 12 toward the support seat 1, driving multiple connecting rods 1 7 and 2 8 to rotate until the connection between the connecting rods 1 7 and 2 8 is against the inner side of the hole, thereby realizing the support positioning of the support seat 1. At this time, the measuring plate 4 is inserted into the engaging groove 5, and the position of the positioning block 3 is adjusted by controlling the electric telescopic rod 2, thereby adjusting the position of the measuring plate 4, and the aperture, inclination, depth and other data of the hole are measured in conjunction with the scale on the surface of the measuring plate 4 and other auxiliary tools, thereby realizing the measurement of the aperture volume.

[0027] Through the above steps, the driving motor 9 is controlled to drive the screw 10 to rotate, so that the movable seat 11 slides along the slide rod 12 toward the support seat 1, driving multiple connecting rods 1 7 and 2 8 to rotate until the connection between the connecting rod 1 7 and the connecting rod 2 8 is against the inner side of the hole, thereby realizing the support positioning of the support seat 1. At this time, the measuring plate 4 is inserted into the engaging groove 5, and the position of the positioning block 3 is adjusted by controlling the electric telescopic rod 2, thereby adjusting the position of the measuring plate 4, and the aperture, inclination, depth and other data of the hole are measured in conjunction with the scale on the surface of the measuring plate 4 and other auxiliary tools, thereby realizing the measurement of the aperture volume, so as to solve the problem that the existing coal mining working face old lane wind exposed hole volume measurement lacks an auxiliary positioning structure, is prone to errors, and the measurement process is time-consuming and labor-intensive, and has low efficiency.

Claims

1. A device for measuring the volume of wind-exposed holes in an old laneway of a coal mining face, comprising a support base (1), characterized in that: An electric telescopic rod (2) is fixedly installed on the left side of the support base (1), a positioning block (3) is provided at the left end of the electric telescopic rod (2), a measuring plate (4) is provided on the left side of the positioning block (3), a locking groove (5) is provided on the left side of the positioning block (3), a handle (6) is fixedly installed on the side of the support base (1), a connecting rod 1 (7) is provided on the outer side of the support base (1), a connecting rod 2 (8) is provided at the right end of the connecting rod 1 (7), a driving motor (9) is provided on the inner side of the support base (1), a screw rod (10) is provided on the right side of the support base (1), a movable base (11) is provided on the outer side of the screw rod (10), sliding rods (12) are provided on the front and rear sides of the screw rod (10), and a connecting plate (13) is provided on the right end of the screw rod (10).

2. The device for measuring the volume of wind-exposed holes in a coal mining face passing through an old lane according to claim 1 is characterized in that: The output end of the electric telescopic rod (2) is fixedly connected to the right side of the positioning block (3), and the positioning block (3) is designed to be circular in structure.

3. The device for measuring the volume of wind-exposed holes in coal mining working faces passing through old lanes according to claim 1 is characterized in that: The engaging groove (5) is designed in a cross-shaped structure, the inner sides of the measuring plate (4) and the engaging groove (5) are adapted to each other, and the surface of the measuring plate (4) is provided with a scale.

4. The device for measuring the volume of wind-exposed holes in a coal mining face passing through an old lane according to claim 1 is characterized in that: The connecting rods (7) are arranged in a circular array, the left end of the connecting rod (7) is rotatably connected to the outer side of the support seat (1), the right end of the connecting rod (7) is rotatably connected to the connecting rod (8), and the right end of the connecting rod (8) is rotatably connected to the outer side of the moving seat (11).

5. The device for measuring the volume of wind-exposed holes in coal mining working faces passing through old lanes according to claim 1 is characterized in that: The drive motor (9) is fixedly connected to the inner side of the support base (1), the output end of the drive motor (9) extends to the outer side of the support base (1) and is fixedly connected to the left end of the screw rod (10), and the right end of the screw rod (10) is rotatably connected to the connecting plate (13).

6. The device for measuring the volume of wind-exposed holes in a coal mining face passing through an old lane according to claim 1 is characterized in that: The slide rod (12) and the screw rod (10) are arranged in parallel, the left end of the slide rod (12) is fixedly connected to the support seat (1), and the right end of the slide rod (12) is fixedly connected to the connecting plate (13).

7. The device for measuring the volume of wind-exposed holes in a coal mining face passing through an old lane according to claim 1 is characterized in that: The outer sides of the movable seat (11) and the screw rod (10) are connected by threads, a sliding hole is provided on the surface of the movable seat (11), and the sliding rod (12) is slidably connected to the inner side of the sliding hole.

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