Cable pulley protector for multi-aperture drilling peeping instrument
By designing a multi-aperture cable pulley protector in the borehole inspection instrument, and utilizing pulley guidance and adjustment components, the problems of cable wear and applicability in the borehole inspection instrument were solved, achieving smooth cable movement and improved safety.
Patent Information
- Application Number
- CN202422378079.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-09-29
AI Technical Summary
During the use of borehole inspection instruments, friction between the rear connecting wire of the inspection probe and the borehole opening causes wear, posing a risk of explosion failure. Furthermore, existing technologies cannot effectively solve the applicability problem for different borehole diameters.
Design a cable pulley protector for borehole inspection instruments applicable to multiple apertures. By setting a clamp and pulley at the borehole opening, and using a ring shoulder support sleeve, the pulley guides the cable and reduces friction. Combined with an adjustment component, the diameter of the clamp can be adjusted to adapt to different apertures.
It effectively reduces friction between the cable and the borehole opening, lowers the risk of wear and breakage, ensures smooth cable movement, improves safety, and saves materials.
Smart Images
Figure CN223625555U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cable protection technology, specifically a cable pulley protector suitable for multi-aperture borehole inspection instruments. Background Technology
[0002] As the mining depth in our mine continues to increase, the geological conditions of the mine are becoming increasingly complex. Especially with unclear hydrological and geological conditions ahead, blind construction can lead to significant safety hazards. Geological structures are one of the most important hazards affecting mine safety and coal resource utilization. Currently, drilling is the most effective and direct method. However, due to limited manpower, data, and technical capabilities, drilling often fails to clearly identify the final strata. Therefore, our mine uses borehole sights for drilling exploration when investigating hidden geological structures inside the working face and the roof and floor, such as faults, fracture zones, and collapse columns. During the use of the sight, the connecting cable at the rear of the sight probe rubs against the borehole opening. Over years of operation, the connecting cable may wear down, potentially even leading to explosion failure. To avoid this problem, a cable pulley protector suitable for multi-diameter borehole sights is proposed. Utility Model Content
[0003] The purpose of this invention is to provide a cable pulley protector for multi-aperture borehole inspection instruments to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a cable pulley protector for multi-aperture borehole inspection instruments, comprising a clamp, the clamp comprising a hollow sleeve for fitting onto the borehole opening, the sleeve having open ends, and a shoulder for supporting the borehole opening on the side wall of the sleeve. First, the sleeve of the clamp is fitted onto the borehole opening, and stable support is achieved by the contact between the shoulder and the borehole opening. Two support plates are provided on the shoulder, and a pulley for guiding the cable is supported between the two support plates. The support plates are fixed to the sleeve by the shoulder, providing a stable mounting base for the pulley. An opening is provided on the sleeve, and an adjustment component for adjusting the size of the opening is also provided on the clamp.
[0005] Preferably, there is one opening, which is located on one side of the sleeve. The adjusting assembly includes a first upright plate, a second upright plate, and an adjusting screw. The first upright plate is fixed to a shoulder on one side of the opening, and the second upright plate is fixed to a shoulder on the other side of the opening. The adjusting screw is engaged with the first upright plate, and the threaded end of the adjusting screw passes through the first upright plate and presses against the side wall of the second upright plate. The first upright plate has an internal thread in the insertion hole for the adjusting screw, which is adapted to the external thread of the adjusting screw. When the adjusting screw is rotated, the adjusting screw can move on the first upright plate.
[0006] Preferably, the shoulder of the ring is provided with a notch to facilitate the deformation of the sleeve.
[0007] Preferably, there are two openings, which divide the sleeve into two C-shaped splicing plates. The shoulder is also divided in two by the two openings, with the two shoulder parts located on the two splicing plates respectively. An adjustment component is provided at each of the two openings. The adjustment component includes a third upright plate, a fourth upright plate, a connecting rod, and a locking screw. The third upright plate is fixedly connected to the shoulder on one side of the opening, and the fourth upright plate is fixedly connected to the shoulder on the other side of the opening. The connecting rod is fixedly connected to the third upright plate and slidably inserted into the fourth upright plate. The connecting rod is allowed to slide within the fourth upright plate, thereby adjusting the distance between the two splicing plates. The locking screw is engaged with the fourth upright plate, and the threaded end of the locking screw penetrates the side wall of the fourth upright plate and presses against the connecting rod.
[0008] Preferably, two fixing plates are fixed on the side wall of the shoulder, and two support plates are rotatably connected to the two fixing plates respectively. Long grooves are formed on the side walls of the two support plates, and the extension line of the long groove in the length direction always coincides with the rotation axis of the support plate. Locking rods are slidably connected to the two support plates through the long grooves. The locking rods are parallel to the rotation axis of the support plates and slide along the length direction of the long grooves. Multiple locking grooves are formed on the side wall of the fixing plates in the circumferential direction along the rotation axis of the support plates, and the locking rods are movably engaged in the multiple locking grooves.
[0009] Preferably, the locking rod has an oblong cross-section, and annular grooves are provided at both ends of the locking rod. The thickness of the annular grooves is the same as the width of the long groove. When the locking rod slides through the annular grooves inside the long groove, the two side walls of the annular grooves abut against the two side walls of the support plate to prevent the locking rod from moving on the support plate.
[0010] Preferably, the position where the locking rod contacts the side wall of the lock groove is provided with anti-slip texture. When the locking rod slides into the interior of the lock groove, the locking rod contacts the side wall of the lock groove through the anti-slip texture, which can prevent the locking rod from sliding in the lock groove and thus prevent the locking rod from automatically coming out of the interior of the lock groove.
[0011] Compared with the prior art, the beneficial effects of this utility model are: This utility model utilizes a pulley added to the shoulder, which can effectively reduce the friction between the cable and the borehole opening when the cable of the borehole inspection instrument passes through the pulley, thereby reducing the risk of cable wear and breakage. The pulley can also guide the cable to ensure that the cable remains smooth during movement and avoids twisting or knotting.
[0012] When the opening is enlarged by adjusting the component, the diameter of the chuck can be freely adjusted according to the borehole diameter, so that the chuck can be firmly locked in the borehole of different diameters, greatly improving safety, and saving materials by eliminating the need to specially manufacture chucks of various diameters. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure I ;
[0014] Figure 2 This is a top view of the present invention;
[0015] Figure 3 This is a schematic diagram of the overall structure of the present invention. Figure II ;
[0016] Figure 4 This is a schematic diagram of the overall structure of the present invention. Figure III ;
[0017] Figure 5 This is an exploded view of the sleeve and connecting rod of this utility model.
[0018] Figure 6 This is a schematic diagram of the structure of the support plate and pulley of this utility model;
[0019] Figure 7 This is a schematic diagram of the locking rod of this utility model.
[0020] In the diagram: 1. Clamping nozzle, 101. Sleeve, 102. Shoulder ring, 103. Opening, 104. Notch, 2. Support plate, 201. Long groove, 3. Pulley, 4. First upright plate, 5. Second upright plate, 6. Adjusting screw, 7. Third upright plate, 8. Fourth upright plate, 9. Connecting rod, 10. Locking screw, 11. Fixing plate, 1101. Locking groove, 12. Locking rod, 1201. Ring groove. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Example 1
[0023] Please see Figure 1-7This utility model provides a technical solution: a cable pulley protector for multi-aperture drilling inspection instruments, including a clamp 1. The clamp 1 includes a hollow sleeve 101 for fitting onto the borehole opening. The two ends of the sleeve 101 are open. The side wall of the sleeve 101 is provided with a shoulder 102 for supporting the borehole opening. First, the sleeve 101 of the clamp 1 is fitted onto the borehole opening, and stable support is achieved by the contact between the shoulder 102 and the borehole opening. Two support plates 2 are provided on the shoulder 102, and a pulley 3 for guiding the cable is supported between the two support plates 2. The support plates 2 are fixed to the sleeve 101 through the shoulder 102, providing a stable installation base for the pulley 3. An opening 103 is provided on the sleeve 101, and an adjustment component for adjusting the size of the opening 103 is also provided on the clamp 1.
[0024] Cable guidance: When the cable of the borehole inspection instrument passes through the pulley 3, the pulley 3 can effectively reduce the friction between the cable and the borehole opening, reduce the risk of cable wear and breakage, and the pulley 3 can also guide the cable to ensure that the cable remains smooth during movement and avoids twisting or knotting.
[0025] like Figures 3-4 As shown, in order to adjust the position of the pulley 3 so that the cable can be guided closer to the middle of the sleeve 101, specifically, two fixing plates 11 are fixed on the side wall of the shoulder 102, and two support plates 2 are rotatably connected to the two fixing plates 11 respectively. The side walls of the two support plates 2 are provided with long grooves 201. The extension line of the long groove 201 in the length direction always coincides with the rotation axis of the support plate 2. Locking rods 12 are slidably connected to the two support plates 2 through the long grooves 201. The locking rods 12 are parallel to the rotation axis of the support plates 2 and slide along the length direction of the long grooves 201. Multiple locking grooves 1101 are provided circumferentially on the side wall of the fixing plate 11 along the rotation axis of the support plate 2. The locking rods 12 are movably engaged in the multiple locking grooves 1101.
[0026] like Figure 3 As shown, the locking rod 12 is slid to one end of the long groove 201, so that the locking rod 12 is away from the locking groove 1101. At this time, the support plate 2 can rotate on the fixed plate 11, thereby adjusting the position of the pulley 3. When the pulley 3 is adjusted to the appropriate position, the locking rod 12 is slid, thereby sliding the locking rod 12 into the corresponding locking groove 1101. Under the cooperation and locking action of the locking groove 1101 and the locking rod 12, the support plate 2 is fixed on the fixed plate 11. At this time, the position of the pulley 3 is fixed after adjustment, so that the cable can be guided to a position closer to the middle of the sleeve 101 (the center position of the drill hole), that is, the cable is adjusted to a position away from the sleeve 101 and the side wall of the drill hole, further ensuring that the cable remains smooth during movement and reducing wear.
[0027] Specifically, the locking rod 12 has an oblong cross-section, and annular grooves 1201 are formed at both ends of the locking rod 12. The thickness of the annular grooves 1201 is the same as the width of the elongated grooves 201. Figures 6-7 As shown, when the locking rod 12 slides through the annular groove 1201 inside the long groove 201, the two side walls of the annular groove 1201 abut against the two side walls of the support plate 2 to prevent the locking rod 12 from moving on the support plate 2.
[0028] Specifically, the locking rod 12 is provided with anti-slip texture at the position where it contacts the side wall of the locking groove 1101. When the locking rod 12 slides into the interior of the locking groove 1101, the locking rod 12 contacts the side wall of the locking groove 1101 through the anti-slip texture, which can prevent the locking rod 12 from sliding in the locking groove 1101, thereby preventing the locking rod 12 from automatically coming out of the interior of the locking groove 1101.
[0029] Example 2
[0030] like Figures 1-2 As shown, based on Embodiment 1, this embodiment, in order to freely adjust the diameter of the chuck 1 and firmly clamp the chuck 1 into drill holes of different diameters, specifically, has one opening 103, which is located on one side of the sleeve 101. The adjustment assembly includes a first upright plate 4, a second upright plate 5, and an adjusting screw 6. The first upright plate 4 is fixed to a shoulder 102 on one side of the opening 103, and the second upright plate 5 is fixed to a shoulder 102 on the other side of the opening 103. The adjusting screw 6 is engaged with the first upright plate 4, and the threaded end of the adjusting screw 6 passes through the first upright plate 4 and presses against the side wall of the second upright plate 5. The first upright plate 4 has an internal thread in the insertion hole for the adjusting screw 6, which is adapted to the external thread of the adjusting screw 6. When the adjusting screw 6 is rotated, the adjusting screw 6 can move on the first upright plate 4.
[0031] Specifically, the shoulder 102 is provided with a notch 104 to facilitate the deformation of the sleeve 101. The notch 104 is opened on the opposite side of the opening 103. When the opening 103 is enlarged by the adjusting screw 6, the sleeve 101 can deform at the position of the notch 104, so that the diameter of the chuck 1 can be freely adjusted according to the borehole diameter, so that the chuck 1 can be firmly locked in the borehole of different diameters, greatly improving safety, and eliminating the need to specially manufacture chucks 1 of various diameters, saving materials.
[0032] Installation and initial positioning: The sleeve 101 of the chuck 1 is initially placed on the borehole opening, at which point the shoulder 102 contacts the borehole opening.
[0033] Adjusting the opening size: Based on the actual diameter of the drilled hole, rotate the adjusting screw 6 to change the distance between the first vertical plate 4 and the second vertical plate 5, thereby adjusting the size of the opening 103. As the opening 103 increases, the sleeve 101 deforms at the notch 104, causing the diameter of the chuck 1 to gradually increase until it is firmly locked inside the drilled hole.
[0034] Cable guidance and protection: When the cable of the borehole inspection instrument passes through the pulley 3, the pulley 3 guides and reduces friction on the cable, ensuring that the cable remains smooth during movement and reducing wear.
[0035] Example 3
[0036] like Figures 3-5 As shown, based on Embodiment 1, this embodiment, in order to freely adjust the diameter of the chuck 1 and firmly clamp it into drill holes of different diameters, specifically, has two openings 103. These two openings 103 divide the sleeve 101 into two C-shaped splicing plates. The shoulder 102 is also divided in two by the two openings 103, with the two shoulder parts located on the two splicing plates respectively. An adjustment component is provided at each of the two openings 103. The adjustment component includes a third upright plate 7, a fourth upright plate 8, a connecting rod 9, and a locking screw 10. The third upright plate... 7 is fixedly connected to the shoulder 102 on one side of the opening 103. The fourth upright plate 8 is fixedly connected to the shoulder 102 on the other side of the opening 103. The connecting rod 9 is fixedly connected to the third upright plate 7 and slidably inserted into the fourth upright plate 8. The connecting rod 9 is fixedly connected to the third upright plate 7 and slidably inserted into the fourth upright plate 8, allowing the connecting rod 9 to slide within the fourth upright plate 8, thereby adjusting the distance between the two splicing plates. The locking screw 10 is engaged with the fourth upright plate 8. The threaded end of the locking screw 10 penetrates the side wall of the fourth upright plate 8 and movably presses against the connecting rod 9.
[0037] Preliminary installation: First, put the sleeve 101 of the chuck 1 onto the borehole opening, at which point the shoulder 102 is in contact with the borehole opening;
[0038] Adjusting the opening size: Adjust the adjustment components at the two openings 103 according to the actual diameter of the drilled hole. The specific operation is as follows: Rotate the locking screw 10 to loosen the locking force on the connecting rod 9; then move the position of the connecting rod 9 within the fourth upright plate 8 (relatively pulling the two splicing plates) to change the distance between the two splicing plates; finally, rotate the locking screw 10 again to tighten it to fix the relative position of the connecting rod 9 and the fourth upright plate 8, thereby completing the adjustment of the opening size.
[0039] Cable guidance and protection: When the cable of the borehole inspection instrument passes through the pulley 3, the pulley 3 guides and reduces friction on the cable, ensuring that the cable remains smooth during movement and reducing wear.
[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A cable pulley protector for multi-aperture borehole inspection instruments, comprising a locking nozzle (1), characterized in that: The clamp (1) includes a hollow sleeve (101) for fitting around the borehole opening. The sleeve (101) has open ends. The sleeve (101) has a shoulder (102) on its side wall for supporting the borehole opening. The shoulder (102) has two support plates (2). A pulley (3) for guiding the cable is supported between the two support plates (2). The sleeve (101) has an opening (103). The clamp (1) also has an adjustment component for adjusting the size of the opening (103).
2. The cable pulley protector for multi-aperture borehole inspection instruments according to claim 1, characterized in that: The number of openings (103) is one. The opening (103) is opened on one side of the sleeve (101). The adjustment assembly includes a first upright plate (4), a second upright plate (5) and an adjusting screw (6). The first upright plate (4) is fixed on the shoulder (102) on one side of the opening (103). The second upright plate (5) is fixed on the shoulder (102) on the other side of the opening (103). The adjusting screw (6) is engaged with the first upright plate (4), and the threaded end of the adjusting screw (6) passes through the first upright plate (4) and presses against the side wall of the second upright plate (5).
3. A cable pulley protector for multi-aperture borehole inspection instruments according to claim 2, characterized in that: The shoulder (102) is provided with a notch (104) to facilitate the deformation of the sleeve (101).
4. A cable pulley protector for multi-aperture borehole inspection instruments according to claim 1, characterized in that: There are two openings (103). The two openings (103) divide the sleeve (101) into two C-shaped splicing plates. An adjustment component is provided at each of the two openings (103). The adjustment component includes a third upright plate (7), a fourth upright plate (8), a connecting rod (9), and a locking screw (10). The third upright plate (7) is fixedly connected to the shoulder (102) on one side of the opening (103). The fourth upright plate (8) is fixedly connected to the shoulder (102) on the other side of the opening (103). The connecting rod (9) is fixedly connected to the third upright plate (7) and slides into the fourth upright plate (8). The locking screw (10) is engaged with the fourth upright plate (8). The threaded end of the locking screw (10) penetrates the side wall of the fourth upright plate (8) and presses against the connecting rod (9).
5. A cable pulley protector for multi-aperture borehole inspection instruments according to claim 1, characterized in that: Two fixing plates (11) are fixed on the side wall of the shoulder (102), and two support plates (2) are rotatably connected to the two fixing plates (11). Long grooves (201) are opened on the side wall of the two support plates (2), and locking rods (12) are slidably connected to the two support plates (2) through the long grooves (201). Multiple locking grooves (1101) are opened circumferentially along the rotation axis of the support plate (2) on the side wall of the fixing plate (11), and the locking rods (12) are movably engaged in the multiple locking grooves (1101).
6. A cable pulley protector for multi-aperture borehole inspection instruments according to claim 5, characterized in that: The locking rod (12) has a waist-shaped cross section, and the two ends of the locking rod (12) are provided with annular grooves (1201). The thickness of the annular grooves (1201) is the same as the width of the long grooves (201).
7. A cable pulley protector for multi-aperture borehole inspection instruments according to claim 5 or 6, characterized in that: The locking bar (12) is provided with anti-slip texture at the position where it contacts the side wall of the locking groove (1101).