Mining self-made bench drill

Abstract

The utility model discloses a self-made bench drill for mining, which relates to the technical field of drilling and comprises a drill floor, a clamping device is mounted on the drill floor in a limiting and sliding manner in the vertical direction, and a pistol drill is clamped on the clamping device; a clamp used for clamping the sealing ring is arranged at the bottom of a drill bit of the pistol drill. After the structure is adopted, the pistol drill slides in the vertical direction in a limiting manner, and the clamp is arranged at the bottom of the drill bit of the pistol drill; the sealing ring is clamped on the clamp, and then the pistol drill is controlled to vertically slide downwards, so that the clamping of the sealing ring and the rapid and accurate machining of the inner diameter are realized through a mechanical means, the working efficiency is improved, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drilling technology field, especially in a mine self -made bench drill. BACKGROUND

[0002] The working environment of the underground electrical equipment often has explosive gas or dust, so it must have good explosion-proof performance. The inner diameter size of the sealing ring as a sealing component of the electrical equipment introduction device is very important to the cooperation between the cable sheath. If the inner diameter of the sealing ring is too large, the gap between the cable and the sealing ring will increase, which may cause the explosion-proof performance to decrease and the explosion-proof phenomenon to occur. If the inner diameter of the sealing ring is too small, the gap between the cable and the sealing ring will decrease, and the cable will be very difficult to install. This not only increases the labor intensity and workload, but also wastes time and affects the progress of the project.

[0003] Due to the diversity of the outer diameter of the cable at the construction site, the traditional inner diameter processing method of the sealing ring mainly relies on manual cutting. Manual cutting of the inner diameter of the sealing ring not only consumes time and effort, but also is difficult to accurately control the inner diameter size. SUMMARY

[0004] The utility model aims at providing a mine self -made bench drill, which realizes the clamping of the sealing ring and the rapid and accurate processing of the inner diameter through mechanization, thereby improving the work efficiency and reducing the labor intensity.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a mine self -made bench drill, which comprises a drilling platform, a clamping device vertically limitedly and slidingly installed on the drilling platform, and a pistol drill clamped on the clamping device; the bottom of the drill bit of the pistol drill is provided with a clamp for clamping the sealing ring.

[0006] After adopting the above structure, the pistol drill is limitedly and slidingly arranged in the vertical direction, and the bottom of the drill bit of the pistol drill is provided with a clamp; the sealing ring is clamped on the clamp, and then the pistol drill is controlled to slide vertically downward, so as to realize the clamping of the sealing ring and the rapid and accurate processing of the inner diameter through mechanization, improve the work efficiency, and reduce the labor intensity.

[0007] Preferably, the clamping device comprises a sliding seat vertically slidingly installed on the drilling platform and a chuck slidingly installed on the sliding seat; the pistol drill is clamped on the chuck; a position locking structure is arranged between the sliding seat and the drilling platform, the position locking structure locks the sliding seat on the drilling platform at a certain height; a step-by-step driving device is arranged between the sliding seat and the chuck; and the step-by-step driving device drives the chuck to step up and down. Through this design, the initial height of the pistol drill can be flexibly adjusted, and the reaming efficiency is improved.

[0008] Preferably, the guide column is fixedly installed on the drilling platform, the through hole is arranged on the sliding seat and the guide column passes through the through hole, and the sliding seat slides up and down along the guide column; the sliding groove is arranged on the guide column along the vertical direction of the guide column, the limiting block is arranged in the through hole of the sliding seat and inserted into the sliding groove and slides up and down along the sliding groove; the limiting block is arranged at the middle part of the guide column, the anti-disengagement block is arranged at the top of the guide column, and the sliding seat is limited to slide between the limiting block and the anti-disengagement block; the position locking structure comprises the locking hole arranged on the side of the sliding seat and communicated with the through hole, the locking hole is a threaded hole, and the bolt is screwed in the threaded hole; the bolt is abutted against the guide column after being screwed, and the height of the sliding seat is locked. Through the design, the sliding seat can be limited to slide and installed on the drilling platform, so that the pistol drill is prevented from falling by mistake and damaged.

[0009] Preferably, the chuck is slidably installed on the sliding seat, and the stepping driving device is arranged between the sliding seat and the chuck; and the stepping driving device drives the chuck to step up and down. Through the design, the stepping driving device can drive the chuck to step up and down, so that the hole expansion is smoothly completed.

[0010] Preferably, the compression spring is arranged between the bottom of the chuck and the sliding seat, and the compression spring keeps the chuck at a certain height. Through the design, the chuck is automatically lifted when the stepping driving device is not working, so that the convenience of the device is improved.

[0011] Preferably, the clamp is adjustably installed on the drilling platform. Through the design, the sealing ring of different specifications can be adapted.

[0012] Preferably, the clamp comprises the left chuck and the right chuck which are oppositely arranged, the left chuck is adjustably installed on the drilling platform, and the right chuck is slidably installed on the drilling platform; the adjusting seat is arranged on the drilling platform, the threaded hole is arranged on the adjusting seat, the screw rod is screwed in the threaded hole, and the top head of the screw rod is fixed on the right chuck. Through the design, the sealing ring is clamped by the chuck which slides on one side.

[0013] Preferably, the pressing structure is detachably installed on the sliding seat, the pressing structure comprises the pressing column fixed on the bottom of the sliding seat and extending downward, and the pressing plate is fixed on the bottom of the pressing column; and the pressing plate is pressed above the sealing ring. Through the design, the sealing ring is pressed from the top, so that the sealing ring is prevented from being disengaged from the clamp.

[0014] Preferably, the pressing column is a telescopic column, the telescopic column comprises the fixed cylinder and the telescopic cylinder slidably installed in the fixed cylinder, and the compression spring is arranged between the telescopic cylinder and the fixed cylinder. Through the design, the pressing plate can keep a certain pressing force on the sealing ring at all times, so that the sealing ring is prevented from moving during the drilling process.

[0015] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0016] The utility model relates to a kind of self-made platform drill for mining, which solves the technical problems of manual cutting sealing ring in underground, time-consuming and laborious, and difficult to accurately control the inner diameter size in the prior art.The utility model limits the sliding of the pistol drill in the vertical direction, and the drill bit bottom of the pistol drill is provided with a clamp.The sealing ring is clamped on the clamp, and then the pistol drill is controlled to slide vertically downward, so that the clamping and rapid and accurate processing of the inner diameter of the sealing ring are realized by mechanical means, the working efficiency is improved, and the labor intensity is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the self-made platform drill for mining of the utility model;

[0018] Figure 2 is Figure 1 side view;

[0019] Figure 3 is Figure 2 A-A sectional view in

[0020] Figure 4 is a structural schematic view of the self-made platform drill for mining in embodiment two.

[0021] In the figure, 1, drill platform, 2, clamping device, 21, sliding seat, 211, sliding plate, 22, chuck, 23, guide column, 231, limit block, 232, anti-drop block, 3, pistol drill, 4, clamp, 41, left clamping block, 411, adjusting seat, 412, screw rod, 42, right clamping block, 5, sealing ring, 6, pressing structure, 61, pressing column, 62, pressing plate. DETAILED DESCRIPTION

[0022] The utility model is further described below in combination with the drawings.

[0023] The directions involved in the specification are based on the directions of the self-made platform drill for mining of the utility model when it works normally, and are not limited to the directions when it is stored and transported, only represent relative positional relationship, and do not represent absolute positional relationship.

[0024] Embodiment one:

[0025] As Figure 1 , Figure 2 and Figure 3As shown in the drawings, a self-made drilling rig for mine includes a drilling rig 1, a clamping device 2 vertically and limitingly slidingly installed on the drilling rig 1, and a hand drill 3 clamped on the clamping device 2. A drill bit bottom of the hand drill 3 is provided with a clamp 4 for clamping a sealing ring 5. The hand drill 3 is fixed on the clamping device 2, the clamping device 2 controls the clamping force, and the hand drill 3 is not pressed too much to avoid damage. Then, a drill bit with appropriate size is inserted into the hand drill 3 and fixed firmly. Then, the unprocessed sealing ring 5 is clamped on the clamp 4. After adjusting the working position, drilling can be performed. The drill bit is an expanding drill bit, which can expand the inner hole of the sealing ring 5 to achieve the preset inner diameter. After the expansion is completed, manual micro-adjustment can be performed according to the expansion quality.

[0026] By limiting the vertical sliding of the hand drill 3, the drill bit bottom of the hand drill 3 is provided with the clamp 4. The sealing ring 5 is clamped on the clamp 4, and then the vertical downward sliding of the hand drill 3 is controlled, so that the clamping and rapid and accurate machining of the inner diameter of the sealing ring are realized by mechanical means, the working efficiency is improved, and the labor intensity is reduced.

[0027] In the embodiment, the hand drill 3 is a hand air drill. Before expansion, the air drill is connected with an air source. The air source must be clean and dry, so the hose must be blown clean before being connected with the hand air drill. The inner holes of the hose and the line must have the required size to ensure that the required amount of air can be obtained. A filter device is installed at the front of the tool connector and must be regularly checked and cleaned.

[0028] As an improved embodiment of the clamping device 2, the clamping device 2 includes a sliding seat 21 vertically and slidingly installed on the drilling rig 1 and a chuck 22 slidingly installed on the sliding seat 21. The hand drill 3 is clamped on the chuck 22. A position locking structure is arranged between the sliding seat 21 and the drilling rig 1, and the position locking structure locks the sliding seat 21 at a certain height on the drilling rig 1. A stepping drive device is arranged between the sliding seat 21 and the chuck 22. The stepping drive device drives the chuck 22 to step up and down. First, according to the height of the sealing ring 5 to be machined, the sliding seat 21 is slid to a certain height above the sealing ring 5. Then, the position locking structure is locked. Then, the chuck 22 is driven by the stepping drive device to step down, and the expansion of the sealing ring 5 is realized. Through this design, the drilling efficiency can be improved.

[0029] The sliding seat 21 is vertically limitedly and slidably installed on the drilling platform 1 to ensure the stability of the sliding seat 21 during the up-and-down sliding. Specifically, a guide column 23 is fixedly installed on the drilling platform 1, and a through hole is arranged on the sliding seat 21 for the guide column 23 to pass through, so that the sliding seat 21 can slide up and down along the guide column 23. In order to ensure the directionality and avoid the rotation of the sliding seat 21 on the guide column 23, a sliding groove is arranged on the guide column 23 along the vertical direction thereof, and a limiting block is arranged in the through hole of the sliding seat 21 and inserted into the sliding groove and slides up and down along the sliding groove, so that the sliding seat 21 is vertically and slidably installed on the guide column 23 through the cooperation of the limiting block and the sliding groove. In order to avoid the accidental falling or disengagement of the sliding seat 21 from the guide column 23, a limiting block 231 is arranged in the middle of the guide column 23, and an anti-disengagement block 232 is arranged at the top of the guide column 23, and the sliding seat 21 is limitedly and slidably arranged between the limiting block 231 and the anti-disengagement block 232, so as to avoid the falling of the sliding seat 21 and the collision of the pistol drill 3 with the drilling platform 1.

[0030] The position locking structure comprises a locking hole arranged on the side of the sliding seat 21 and communicating with the through hole, the locking hole is a threaded hole, and a bolt is screwed in the threaded hole and abuts against the guide column 23 after being tightened, so as to achieve the height locking of the sliding seat 21.

[0031] The chuck 22 is slidably installed on the sliding seat 21, and specifically, a sliding groove is arranged on the sliding seat 21, a sliding plate 211 is slidably installed in the sliding groove, and the chuck 22 is fixed on the sliding plate 211. A stepping driving device is arranged between the sliding seat 21 and the chuck 22, and the stepping driving device drives the chuck 22 to step.

[0032] In order to simplify the device, the stepping driving device comprises a gear rotatably installed on the sliding seat 21 and a rack vertically fixed on the sliding plate 211, and the rack and the gear are engaged. One end of the wheel shaft of the gear extends out of the sliding seat 21 and is fixed with a hand wheel. By rotating the hand wheel, the gear can be driven to rotate, and then the sliding plate 211 is driven to slide up and down through the rack, so as to realize the step-by-step lifting of the chuck 22.

[0033] When the reaming is completed, the hand wheel is loosened, the chuck 22 is automatically lifted, and the sealing ring 5 is withdrawn, so that a compression spring is arranged between the bottom of the sliding plate 211 and the sliding seat 21 to buffer the impact force during the drilling to a certain extent; at the same time, after the drilling is completed, the chuck 22 can be quickly lifted.

[0034] The clamp 4 is adjustably mounted on the drilling table 1 to accommodate different sizes of the sealing ring 5. The clamp 4 can be a self-centering clamp. Specifically, the clamp 4 in the embodiment includes a left clamp block 41 and a right clamp block 42 oppositely arranged on both sides of the sealing ring 5, and a clamping driving device for driving the relative movement of the left clamp block 41 and the right clamp block 42. The clamping driving device controls the relative movement of the left clamp block 41 and the right clamp block 42 to clamp the sealing ring 5.

[0035] In the embodiment, the left clamp block 41 is adjustably mounted on the drilling table 1, and the drilling table 1 is provided with a long hole, and the left clamp block 41 is slidingly mounted in the long hole. After the position adjustment is completed, the left clamp block 41 is locked; and the right clamp block 42 is slidingly mounted on the drilling table 1. The drilling table 1 is provided with an adjusting seat 411, the adjusting seat 411 is provided with a threaded hole, a screw rod 412 is screwed in the threaded hole, and the top head of the screw rod 412 is rotatably mounted on the right clamp block 42. By rotating the screw rod 412, the position of the right clamp block 42 can be adjusted to clamp different sizes of the sealing ring 5.

[0036] Embodiment two:

[0037] As shown in Figure 4 , because the sealing ring 5 has a certain elasticity, in order to avoid deformation due to pressure during drilling, which leads to inaccurate drilling accuracy, the sliding seat 21 is detachably mounted with a pressing structure 6 in the embodiment, and the pressing structure 6 includes a pressing column 61 fixed on the bottom of the sliding seat 21 and extending downward, and a pressing plate 62 fixed on the bottom of the pressing column 61, which presses the sealing ring 5 from above.

[0038] The pressing column 61 is a telescopic column, which includes a fixed cylinder and a telescopic cylinder slidingly mounted in the fixed cylinder, and a compression spring is arranged between the telescopic cylinder and the fixed cylinder. By the elastic force of the compression spring, the pressing plate 62 can always maintain a certain pressing force on the sealing ring 5 to prevent the sealing ring 5 from moving during drilling.

[0039] As shown in Figure 4 , the operation process of the self-made table drill for mining:

[0040] Fix the hand drill 3 on the clamping device 2, connect the air source to the hand drill 3, insert the appropriate size drill bit into the hand drill 3 and fix it firmly; then clamp the unprocessed sealing ring 5 on the clamp 4; loosen the position locking structure, then adjust the height of the sliding seat 21, press the pressing plate 62 against the sealing ring 5 from above, tighten the position locking structure to lock the height of the sliding seat 21; rotate the hand wheel to drive the gear to rotate, and then drive the slide plate 211 to slide up and down through the rack to realize the step-down of the chuck 22; the chuck 22 drives the hand drill 3 to run downward, thereby expanding the inner hole of the sealing ring 5; after the expansion is completed, the chuck 22 is lifted and reset under the action of the compression spring.

[0041] Of course, the above description is not a limitation of the utility model, the utility model is not limited to the above examples, the changes, modifications, additions or replacements made by the person skilled in the art within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. A self-serve rig for mining, characterized by: The drilling platform is vertically limitedly slidably provided with a clamping device, and a hand drill is clamped on the clamping device.

2. A self-made drill rig for mining as claimed in claim 1, characterized in that: The clamping device comprises a sliding seat slidably provided on the drilling platform and a chuck slidably provided on the sliding seat. The position locking structure is arranged between the sliding seat and the drilling platform, and locks the sliding seat at a certain height on the drilling platform. The step-by-step driving device is arranged between the sliding seat and the chuck. The step-by-step driving device drives the chuck to step-by-step lift.

3. A self-feeding drill bit according to claim 2, characterized in that: The drilling platform is fixedly provided with a guide column, and the sliding seat is provided with a through hole through which the guide column passes. The position locking structure comprises a locking hole arranged on the side of the sliding seat and communicating with the through hole.

4. A self-serve drill rig for use in a mine as defined in claim 3, characterized in that: The chuck is slidably provided on the sliding seat, and the step-by-step driving device is arranged between the sliding seat and the chuck.

5. A self-feeding drill bit according to claim 4, characterized in that: The chuck is always at a certain height due to the compression spring arranged between the chuck and the sliding seat.

6. The self-made drill rig for mining as claimed in claim 2, characterized in that: The clamp is adjustably provided on the drilling platform.

7. A self-feeding drill bit according to claim 6, characterized in that: The clamp comprises oppositely arranged left and right chucks.

8. The self-made drill rig for mining as claimed in claim 2, characterized in that: The sliding seat is detachably provided with a pressing structure.

9. A self-feeding drill bit according to claim 8, characterized in that: The pressing structure comprises a pressing column fixed on the bottom of the sliding seat and extending downward. The pressing column is a telescopic column comprising a fixed cylinder and a telescopic cylinder slidably provided in the fixed cylinder. The telescopic cylinder and the fixed cylinder are provided with a compression spring therebetween.

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