Ground penetrating radar device for exploring thickness of top coal

Abstract

The utility model discloses a ground penetrating radar device for exploring the thickness of top coal, which relates to the field of coal mine radars and comprises a back clamping frame, a plurality of groups of soft cushions are mounted in the back clamping frame, a plurality of elastic bands are mounted at the bottom of the back clamping frame, and two groups of limiting rods are fixedly arranged on one side of the back clamping frame. Fixing rods are fixedly arranged at the bottoms of the two sets of limiting rods, the bottoms of the two sets of fixing rods are connected with a set of rotating rods through bearings, the outer walls of the two ends of each rotating rod are sleeved with driving wheels, the driving wheels are connected with vertical rods, and radars are fixedly arranged at the ends of the vertical rods. Through the back clamping frame, the elastic band and the soft cushion, the weight of the whole device can be loaded on the back through the back clamping frame, a human body is stressed more easily, meanwhile, through the elastic band, the device can be rapidly installed on and detached from the human body, and meanwhile through the soft cushion, the device can be conveniently detached from the human body. And the back splint frame is prevented from being held on the back for a long time to cause pain.

Description

Technical Field

[0001] The utility model relates to the field of coal mine radars, in particular to a ground penetrating radar device for exploring the thickness of top coal. Background Art

[0002] As the main energy source in my country, coal has been mined on a large scale and plays a vital role in the development of the national economy. However, with the increasing depletion of coal resources, low recovery rate, and waste of resources, even if the coal roadway is excavated in the coal seam affected by layer sliding structure, there is still a considerable amount of top coal left in the overburden of the coal roadway, resulting in a waste of coal resources. It is imperative to effectively utilize coal resources and improve the recovery rate. At this time, ground penetrating radar came into being. Ground penetrating radar is a high-precision geophysical exploration instrument that uses high-frequency radio electromagnetic waves to determine the distribution law of materials inside shallow media. It is an effective means to find the thickness distribution law of top coal with a thickness of less than 10m.

[0003] When using the existing ground-penetrating device for exploring the thickness of top coal, it is usually held in both hands for a long time, and then the radar device is placed against the inner wall of the coal lane along the depth of the coal lane for use, so that the electromagnetic waves emitted by the radar will not propagate into the air, reducing interference. After the electromagnetic waves emitted by the ground-penetrating radar pass through the box and reach the top coal, the signal will be transmitted to the computer.

[0004] However, when the above device is used, it usually encounters uneven walls. At this time, the radar device will produce inaccurate data when detecting. At the same time, long-term use of the handheld radar will cause soreness in the arm muscles. Although the radar device is light in weight, long-term lifting will still cause the arm to send out soreness signals, thereby affecting work efficiency. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a ground penetrating radar device for exploring the thickness of top coal, so as to solve the technical problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ground-penetrating radar device for exploring the thickness of top coal, comprising a back clamp frame, a plurality of groups of soft pads are installed inside the back clamp frame, a plurality of elastic bands are installed at the bottom of the back clamp frame, two groups of limit rods are fixedly arranged on one side of the back clamp frame, a fixing rod is fixedly arranged at the bottom of the two groups of limit rods, a group of rotating rods are connected to the bottom of the two groups of fixing rods through bearings, driving wheels are sleeved on the outer walls of both ends of the rotating rods, the driving wheels are connected to the vertical pole, a radar is fixedly arranged at the end of the vertical pole, and a plurality of telescopic probes are fixedly arranged on the upper end of the radar.

[0007] By adopting the above technical solution, the weight of the entire device can be loaded on the back through the setting of the back clamp frame, making it easier for the human body to bear the force. At the same time, through the setting of the elastic band, the device can be quickly installed and removed from the human body. At the same time, through the setting of the soft pad, the back clamp frame can be prevented from being strangled and hurting the human body due to long-term holding of the back.

[0008] The utility model is further configured as follows: the telescopic probe includes a first sleeve, a second sleeve and a sliding rod, the first sleeve is fixedly arranged above the radar, two groups of first sliding blocks are slidably arranged inside the first sleeve, and opposite sides of the two groups of first sliding blocks are fixedly installed on the outer wall of the second sleeve, two groups of second sliding blocks are slidably arranged inside the second sleeve, and opposite sides of the two groups of second sliding blocks are fixedly installed on the outer wall of the sliding rod, a probe is arranged at the end of the sliding rod, and springs are fixedly arranged inside the second sleeve and the first sleeve.

[0009] By adopting the above technical solution and setting the telescopic probe, when the radar is against the inner wall of the coal lane, the probe slides inside the second sleeve and the second sleeve slides inside the first sleeve. This allows the setting of multiple sets of telescopic probes to cope with the uneven inner wall of the coal lane, and can adapt to a variety of situations and is easy to use.

[0010] The utility model is further configured that both ends of the rotating rod are fixedly provided with rotating disks, and the outer sides of the two groups of rotating disks are fixedly provided with handles.

[0011] By adopting the above technical solution and setting the turntable, when the handle is rotated, the turntable drives the turnbar to rotate, thereby driving the two sets of driving wheels to rotate through the turnbar.

[0012] The utility model is further configured that two groups of first mounting frames are fixedly arranged at the bottom of the limiting rod, and the two groups of first mounting frames are both rotatably connected to the fixed pulley.

[0013] By adopting the above technical solution and setting the fixed pulley, the pull rope can be made smoother when sliding and the stability is guaranteed.

[0014] The utility model is further configured that a second mounting frame is fixedly arranged on one side of the bottom of the vertical pole, and a driven wheel is fixedly arranged inside the second mounting frame.

[0015] By adopting the above technical solution and setting the driven wheel, when the pull rope moves, the driven wheel drives the upright pole to move, so that the radar moves up and down.

[0016] The utility model is further configured that a pull rope is fixedly arranged on one side of the driven wheel, the pull rope is slidably connected to two sets of fixed pulleys, and the other end of the pull rope is fixedly connected to one side of the driving wheel.

[0017] By adopting the above technical solution and setting the pull rope, when the driving wheel rotates, the fixed pulley slides, so that the driven wheel drives the vertical pole to move.

[0018] The utility model is further configured that a slide groove is provided at one end of the limit rod, and the slide groove matches the moving track of the vertical rod.

[0019] By adopting the above technical solution, the vertical rod can be stopped from moving up and down through the sliding groove provided on the limiting rod.

[0020] In summary, the utility model mainly has the following beneficial effects:

[0021] 1. The utility model adopts a back clamp frame, an elastic band and a soft pad. The back clamp frame can be arranged so that the weight of the whole device is loaded on the back, making the stress on the human body easier. Meanwhile, the elastic band can be arranged so that the device can be quickly installed and removed from the human body. Meanwhile, the soft pad can be arranged so as to prevent the back clamp frame from being strangled and hurting the human body due to long-term holding of the human body.

[0022] 2. The utility model uses a telescopic probe. Through the setting of the telescopic probe, when the radar is against the inner wall of the coal lane, the probe slides inside the second sleeve and the second sleeve slides inside the first sleeve. This allows the setting of multiple sets of telescopic probes to cope with the uneven inner wall of the coal lane. It can adapt to various situations and is easy to use.

[0023] 3. The utility model uses a driving wheel, a fixed pulley, a driven wheel and a vertical pole. By turning the handle, the turntable can be driven to rotate. At this time, the turntable will rotate with the rotation of the turntable. The driving wheels arranged on the outer walls at both ends of the turntable can drive the driving wheel to reel in and release the pull rope when the turntable rotates. At this time, the pull rope will slide on the fixed pulley and pull the driven wheel. The movement of the driven wheel can drive the vertical pole to move the radar up and down, so that the telescopic probe can quickly explore the inner wall of the coal lane. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic three-dimensional diagram of the overall structure of the utility model;

[0025] Figure 2 It is an enlarged view of point A of the utility model;

[0026] Figure 3 It is a cross-sectional view of the telescopic probe of the utility model;

[0027] Figure 4 It is an enlarged view of point B of the present utility model.

[0028] In the figure: 1, back clamp frame; 101, elastic band; 102, cushion; 2, limit rod; 201, fixing rod; 3, fixed pulley; 301, first mounting frame; 4, turntable; 401, handle; 5, rotating rod; 6, driving wheel; 7, pull rope; 8, driven wheel; 801, second mounting frame; 9, vertical pole; 10, radar; 11, telescopic probe; 1101, first sleeve; 1102, second sleeve; 11021, first slider; 1103, slide rod; 11031, second slider; 1104, probe; 1105, spring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0030] The following describes an embodiment of the utility model based on its overall structure.

[0031] A ground penetrating radar device for detecting top coal thickness, such as Figure 1-Figure 4 As shown, it includes a back clamp frame 1, multiple groups of soft pads 102 are installed inside the back clamp frame 1, and multiple elastic bands 101 are installed at the bottom of the back clamp frame 1. First, the back clamp frame 1 is carried on the back and fixed on the waist and shoulders through multiple groups of elastic bands 101, and then it is carried to the inside of the coal tunnel. Two groups of limit rods 2 are fixedly set on one side of the back clamp frame 1, and the bottoms of the two groups of limit rods 2 are fixedly set with fixed rods 201. The bottoms of the two groups of fixed rods 201 are connected with a group of rotating rods 5 through bearings, and then by rotating the handle 401, the rotating rod 5 can be driven to rotate through the turntable 4, and the outer walls of both ends of the rotating rod 5 are sleeved with The driving wheel 6 is connected to the vertical pole 9, and a radar 10 is fixedly arranged at the end of the vertical pole 9. A plurality of telescopic probes 11 are fixedly arranged on the upper end of the radar 10. The two sets of driving wheels 6 arranged on the outer wall of the rotating rod 5 can drive the pull rope 7 to rotate. Through the arrangement of the plurality of fixed pulleys 3, the pull rope 7 can move smoothly when rotating. When the pull rope 7 is pulled, the driven wheel 8 will be driven to move. At this time, the driven wheel 8 will drive the vertical pole 9 to move. The radar 10 fixedly arranged at the end of the vertical pole 9 will make the telescopic probe 11 touch the inner wall of the coal lane, and the exploration can be completed at this time.

[0032] See also Figure 3 and 4The telescopic probe 11 includes a first sleeve 1101, a second sleeve 1102 and a slide bar 1103. The first sleeve 1101 is fixedly arranged above the radar 10. Two groups of first sliders 11021 are slidably arranged inside the first sleeve 1101. The opposite sides of the two groups of first sliders 11021 are fixedly installed on the outer wall of the second sleeve 1102. Two groups of second sliders 11031 are slidably arranged inside the second sleeve 1102. The opposite sides of the two groups of second sliders 11031 are fixedly installed on the outer wall of the slide bar 1103. A probe 1104 is provided at the end of the sliding rod 1103, and a spring 1105 is fixedly provided inside the second sleeve 1102 and the first sleeve 1101. Through the setting of the telescopic probe 11, when the radar 10 is against the inner wall of the coal lane, the probe 1104 slides inside the second sleeve 1102 and the second sleeve 1102 slides inside the first sleeve 1101. This allows the setting of multiple sets of telescopic probes 11 to cope with the uneven inner wall of the coal lane, can adapt to a variety of situations, and is easy to use.

[0033] See also Figure 1 Turntables 4 are fixedly provided at both ends of the rotating rod 5, and handles 401 are fixedly provided on the outsides of the two sets of rotating disks 4. Through the setting of the fixed pulley 3, the pull rope 7 can be made to slide more smoothly and ensure stability. Through the setting of the rotating disk 4, when the handle 401 is rotated, the rotating rod 5 can be driven to rotate through the rotating disk 4, thereby driving the two sets of driving wheels 6 to rotate through the rotating rod 5.

[0034] See also Figure 1 Two sets of first mounting frames 301 are fixedly arranged at the bottom of the limit rod 2. Both sets of first mounting frames 301 are rotatably connected to the fixed pulley 3. Through the setting of the driven wheel 8, when the pull rope 7 moves, the driven wheel 8 drives the vertical pole 9 to move, so that the radar 10 moves up and down.

[0035] See also Figure 1 A second mounting frame 801 is fixedly provided on one side of the bottom of the vertical pole 9, and a driven wheel 8 is fixedly provided inside the second mounting frame 801. By setting the pull rope 7, when the driving wheel 6 rotates, the fixed pulley 3 slides, and the driven wheel 8 can drive the vertical pole 9 to move.

[0036] See also Figure 1 A pull rope 7 is fixedly provided on one side of the driven wheel 8, and the pull rope 7 is slidably connected to the two sets of fixed pulleys 3, and the other end of the pull rope 7 is fixedly connected to one side of the driving wheel 6. Through the slide groove opened on the limit rod 2, the vertical rod 9 can be stopped and moved up and down.

[0037] See also Figure 1 A slide groove is provided at one end of the limit rod 2, and the slide groove matches the moving trajectory of the vertical rod 9.

[0038] The working principle of the utility model is as follows: when using the ground penetrating radar device, first carry the back clamp frame 1 on the back, fix it on the waist and shoulders through multiple sets of elastic bands 101, then carry it to the inside of the coal lane, and then aim the telescopic probe 11 at the end of the radar 10 at the inner wall of the coal lane, and then rotate the handle 401 to drive the rotating rod 5 to rotate through the turntable 4, and the two sets of active wheels 6 set on the outer wall of the rotating rod 5 can drive the pull rope 7 to rotate, and through the setting of multiple sets of fixed pulleys 3, the pull rope 7 can move smoothly when rotating, and when the pull rope 7 is pulled, it will drive the driven wheel 8 to move, and at this time the driven wheel 8 will drive the vertical pole 9 to move, and the radar 10 fixed at the end of the vertical pole 9 will make the telescopic probe 11 touch the inner wall of the coal lane, and the exploration can be completed at this time.

[0039] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A ground penetrating radar device for detecting top coal thickness, comprising a back clamp frame (1), characterized in that: A plurality of groups of soft pads (102) are installed inside the back clamp frame (1), a plurality of elastic bands (101) are installed at the bottom of the back clamp frame (1), two groups of limit rods (2) are fixedly installed on one side of the back clamp frame (1), a fixed rod (201) is fixedly installed at the bottom of the two groups of limit rods (2), a group of rotating rods (5) are connected to the bottom of the two groups of fixed rods (201) through bearings, and driving wheels (6) are sleeved on the outer walls of both ends of the rotating rods (5), and the driving wheels (6) are connected to the vertical pole (9), and a radar (10) is fixedly installed at the end of the vertical pole (9), and a plurality of groups of telescopic probes (11) are fixedly installed on the upper end of the radar (10).

2. A ground penetrating radar device for detecting top coal thickness according to claim 1, characterized in that: The telescopic probe (11) comprises a first sleeve (1101), a second sleeve (1102) and a sliding rod (1103); the first sleeve (1101) is fixedly arranged above the radar (10); two groups of first sliding blocks (11021) are slidably arranged inside the first sleeve (1101); opposite sides of the two groups of first sliding blocks (11021) are fixedly installed on the outer wall of the second sleeve (1102); two groups of second sliding blocks (11031) are slidably arranged inside the second sleeve (1102); opposite sides of the two groups of second sliding blocks (11031) are fixedly installed on the outer wall of the sliding rod (1103); a probe (1104) is arranged at the end of the sliding rod (1103); and springs (1105) are fixedly arranged inside the second sleeve (1102) and the first sleeve (1101).

3. A ground penetrating radar device for detecting top coal thickness according to claim 1, characterized in that: Both ends of the rotating rod (5) are fixedly provided with rotating disks (4), and handles (401) are fixedly provided on the outer sides of the two sets of rotating disks (4).

4. A ground penetrating radar device for detecting top coal thickness according to claim 1, characterized in that: Two groups of first mounting frames (301) are fixedly arranged at the bottom of the limiting rod (2), and the two groups of first mounting frames (301) are both rotatably connected to the fixed pulley (3).

5. A ground penetrating radar device for detecting top coal thickness according to claim 1, characterized in that: A second mounting frame (801) is fixedly arranged on one side of the bottom of the vertical pole (9), and a driven wheel (8) is fixedly arranged inside the second mounting frame (801).

6. A ground penetrating radar device for detecting top coal thickness according to claim 5, characterized in that: A pull rope (7) is fixedly arranged on one side of the driven wheel (8), the pull rope (7) is slidably connected to two sets of fixed pulleys (3), and the other end of the pull rope (7) is fixedly connected to one side of the driving wheel (6).

7. A ground penetrating radar device for detecting top coal thickness according to claim 1, characterized in that: A sliding groove is provided at one end of the limiting rod (2), and the sliding groove matches the moving track of the vertical rod (9).

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