Rapid measuring instrument for depth of blast hole of open-air gold mine

Abstract

The utility model discloses a quick measuring instrument for the depth of a blast hole of an open-air gold mine. The quick measuring instrument comprises a first measuring rod and a second measuring rod, according to the rapid measuring instrument for the depth of the blast hole of the open-air gold mine, a first measuring rod penetrates through a guide pipe in a sliding mode, a guide mechanism is arranged at the front end of the first measuring rod, a plurality of second measuring rods are connected to the tail end of the first measuring rod, a first inserting groove is formed in the tail end of the first measuring rod, and a second inserting groove is formed in the tail end of each second measuring rod; a plug is arranged at the front end of the second measuring rod, clamping holes are formed in the first slot and the second slot, contraction holes are symmetrically formed in the plug, springs are fixedly connected in the contraction holes, insertion blocks are fixedly connected to the end parts of the springs, and the first slot and the second slot are oppositely inserted with the plug to form connection through the cooperation of the contraction holes, the springs, the insertion blocks and the clamping holes. And meanwhile, the second measuring rod is extended, so that a long rod is formed, and the long rod can be conveniently inserted into a blast hole for measurement.

Description

Technical Field

[0001] The utility model relates to the technical field of blasthole depth measurement, in particular to an instrument for quickly measuring the blasthole depth in an open-pit gold mine. Background Art

[0002] Mining is the technology and science of extracting mineral resources from the earth's crust and surface. Mining in a broad sense also includes the mining of coal and oil. The mining industry is an important raw material industry. Metal ores are the main raw materials for the smelting industry, and non-metallic ores are important chemical raw materials and building materials. In the mining process, it is necessary to open blasting holes at the mining location and use explosives to blast. In order to better determine the depth of the blastholes, it is necessary to use a depth measuring device to measure the blastholes.

[0003] In the prior art with the publication (announcement) number: CN214464117U, a blasthole depth measuring device for mining blasting is disclosed, including a fixed frame and a motor arranged on one side of the fixed frame, a rotating shaft is arranged in the middle position of the fixed frame, one end of the rotating shaft is connected to the inner wall of the fixed frame through a bearing, and the other end of the rotating shaft is connected to the output shaft of the motor through a coupling, a winding disk is arranged in the middle position of the rotating shaft, and a graduated rope is arranged on the outer wall of the winding disk, one end of the graduated rope is fixedly connected to the winding disk, and the other end of the graduated rope is connected to a fixed vertical rod. The utility model realizes the measurement of the blasthole depth by adopting a wound measuring rope, thereby effectively reducing the overall carrying volume of the device, thereby improving the portability of the device, and by setting a support component, the device can meet the needs of use in different terrains, thereby making the device more applicable.

[0004] However, in the above-mentioned prior art, the blasthole depth is measured by a graduated rope, and when measuring an inclined blasthole, the graduated rope cannot be well tilted and placed in the blasthole. Therefore, an open-pit gold mine blasthole depth rapid measuring instrument is proposed to optimize the above-mentioned prior art. Utility Model Content

[0005] The utility model aims to provide an open-pit gold mine blasthole depth rapid measuring instrument to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A rapid measuring instrument for the depth of blastholes in an open-pit gold mine comprises a base plate, a square guide tube is fixedly connected to the middle part of the base plate, a first measuring rod is slidably passed through the square guide tube, a guide mechanism is provided at the front end of the first measuring rod, a second measuring rod is connected to the tail end of the first measuring rod, the second measuring rod is matched with the square guide tube, a plurality of second measuring rods are provided, a first slot is provided at the tail end of the first measuring rod, a second slot is provided at the tail end of the second measuring rod, a plug is provided at the front end of the second measuring rod, a clamping hole is provided on the first slot and the second slot, shrinking holes are symmetrically provided on the plug, a spring is fixedly connected in the shrinking hole, an insert block is fixedly connected to the end of the spring, the insert block is slidably connected in the shrinking hole, the insert block corresponds to and matches the clamping hole, and a first scale line is provided on the first measuring rod and the second measuring rod.

[0008] As a further solution of the utility model: the guide mechanism includes a mounting groove circumferentially arranged on the outer side of the front end of the first measuring rod, and the guide mechanism also includes a first threaded rod threadedly connected to the first measuring rod, and the tail end of the first threaded rod is provided with a hexagonal portion, and the hexagonal portion is arranged in the first slot.

[0009] As a further solution of the utility model: rollers are rotatably connected at equal distances in the installation groove, two connecting rods are hinged in parallel on the installation groove, one end of the connecting rod is hinged on the outer wall of the first measuring rod, a support rod is hinged on one of the connecting rods, and a rotating seat is hinged at the end of the support rod, and the rotating seat is rotatably connected to the front end of the first threaded rod.

[0010] As a further solution of the utility model: a retaining ring is fixedly connected to the top surface of the bottom plate, second threaded rods are symmetrically rotatably connected to the two sides of the bottom of the square conduit, guide rods are symmetrically fixedly connected to the other two sides of the bottom of the square retaining ring, the second threaded rods are also symmetrically rotatably connected to the two sides of the middle of the square conduit, the guide rods are also symmetrically fixedly connected to the other two sides of the middle of the square conduit, the second threaded rod at the bottom of the square conduit is vertically staggered with the second threaded rod in the middle of the square conduit, and the guide rod at the bottom of the square conduit is vertically staggered with the guide rod in the middle of the square conduit.

[0011] As a further solution of the utility model: the second threaded rod is fixedly connected to the end close to the square tube with a first gear, and one of the guide rods connected to the bottom and the middle of the square tube is rotatably connected to a second gear, and the second gear is simultaneously transmission-connected to the corresponding two first gears.

[0012] As a further solution of the utility model: the second threaded rods are all rotatably connected to the retaining ring, one of the second threaded rods connected to the bottom and the middle of the square tube is fixedly connected to a rotating handle after passing through the retaining ring, and the guide rods are fixedly connected to the retaining ring.

[0013] As a further solution of the utility model: a movable block is commonly connected to the corresponding guide rod and the second threaded rod, the movable block is slidably connected to the guide rod, the movable block is threadedly connected to the second threaded rod, a threaded hole for threaded connection to the guide rod is provided on the movable block, a threaded hole matching the corresponding threaded rod is provided on the movable block, a clamping block is fixedly connected to the bottom surface of the movable block, the clamping block passes through the bottom plate, a long slot matching the clamping block is opened on the bottom plate, and a second scale line is provided on the outer side of the long slot.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model enables the first slot and the second slot to be connected with the plug by means of the cooperation of the shrinkage hole, the spring, the plug block and the card hole, thereby connecting the first measuring rod and the second measuring rod, and at the same time extending the second measuring rod to form a long rod, which is convenient for inserting into the blast hole for measurement.

[0016] 2. The utility model cooperates with the first gear and the second gear so that when one of the second threaded rods is rotated, the other second threaded rod at the same level can be driven to rotate synchronously, so that the two corresponding movable blocks move away from or close to each other, so that the bottom plate is fixed in the center, and the diameter of the blast hole can be measured in conjunction with the second scale line.

[0017] 3. The utility model controls the support rod to drive the connecting rod to tilt the installation groove through the rotation of the first threaded rod, controls the spreading range of the roller, facilitates the centering movement of the end of the first measuring rod, and avoids the end of the first measuring rod being unable to be inserted when it hits the inner wall of the blast hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The schematic diagram of the structure of a rapid measuring instrument for blasthole depth in open-pit gold mines is shown in the figure.

[0019] Figure 2 The figure is a partial structural cross-sectional view of an open-pit gold mine blasthole depth rapid measuring instrument.

[0020] Figure 3 The figure is a vertical stereogram of an instrument for rapidly measuring the depth of blastholes in open-pit gold mines.

[0021] Figure 4 This is a top view of the partial structure of an open-pit gold mine blasthole depth rapid measuring instrument.

[0022] In the figure: 1, bottom plate; 2, square catheter; 3, first measuring rod; 4, second measuring rod; 5, first slot; 6, second slot; 7, plug; 8, clamping hole; 9, shrinkage hole; 10, spring; 11, plug block; 12, first scale line; 13, turning handle; 14, mounting slot; 15, roller; 16, connecting rod; 17, first threaded rod; 18, supporting rod; 19, rotating seat; 20, retaining ring; 21, second threaded rod; 22, guide rod; 23, first gear; 24, second gear; 25, movable block; 26, clamping block; 27, long slot; 28, second scale. DETAILED DESCRIPTION

[0023] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 4 In the embodiment of the utility model, a rapid measuring instrument for the depth of an open-pit gold mine blasthole is provided, comprising a bottom plate 1, a square guide tube 2 is fixedly connected to the middle of the bottom plate 1, a first measuring rod 3 is slidably passed through the square guide tube 2, a guide mechanism is provided at the front end of the first measuring rod 3, a second measuring rod 4 is connected to the tail end of the first measuring rod 3, the second measuring rod 4 is adapted to the square guide tube 2, a plurality of the second measuring rods 4 are provided, a first slot 5 is provided at the tail end of the first measuring rod 3, a second slot 6 is provided at the tail end of the second measuring rod 4, a plug 7 is provided at the front end of the second measuring rod 4, the first slot 5 and the second The slots 6 are each provided with a card hole 8, and the plug 7 is symmetrically provided with a contraction hole 9, a spring 10 is fixedly connected in the contraction hole 9, an insert block 11 is fixedly connected to the end of the spring 10, the insert block 11 is slidably connected in the contraction hole 9, the insert block 11 corresponds to and fits with the card hole 8, and the first measuring rod 3 and the second measuring rod 4 are each provided with a first scale line 12, and the scale on the first measuring rod 3 has removed the length of the square catheter 2, which is convenient for measurement and calculation. The total depth of the blast hole is the total length of the first measuring rod 3 and the second measuring rod 4 inserted plus the length of the first threaded rod 17 extending out of the first measuring rod 3.

[0025] Through the cooperation of the shrinkage hole 9, the spring 10, the plug block 11 and the card hole 8, the first slot 5 and the second slot 6 are connected with the plug 7 by plugging, thereby connecting the first measuring rod 3 and the second measuring rod 4. At the same time, the second measuring rod 4 is extended to form a long rod, which is convenient for inserting into the blast hole for measurement.

[0026] A retaining ring 20 is fixedly connected to the top surface of the bottom plate 1, and second threaded rods 21 are symmetrically rotatably connected to the two sides of the bottom of the square tube 2. Guide rods 22 are symmetrically fixedly connected to the other two sides of the bottom of the square retaining ring 20. The second threaded rods 21 are also symmetrically rotatably connected to the two sides of the middle of the square tube 2. The guide rods 22 are also symmetrically fixedly connected to the other two sides of the middle of the square tube 2. The second threaded rod 21 at the bottom of the square tube 2 is vertically staggered with the second threaded rod 21 in the middle of the square tube 2, and the guide rods 22 at the bottom of the square tube 2 are vertically staggered with the guide rods 22 in the middle of the square tube 2.

[0027] The second threaded rod 21 is fixedly connected to the first gear 23 at one end close to the square tube 2. A second gear 24 is rotatably connected to one of the guide rods 22 connected to the bottom and middle of the square tube 2. The second gear 24 is also transmission-connected to the corresponding two first gears 23.

[0028] The second threaded rods 21 are all rotatably connected to the retaining ring 20 . One of the second threaded rods 21 connected to the bottom and the middle of the square tube 2 passes through the retaining ring 20 and is fixedly connected to the rotating handle 13 . The guide rods 22 are all fixedly connected to the retaining ring 20 .

[0029] The corresponding guide rod 22 and the second threaded rod 21 are commonly connected with a movable block 25, the movable block 25 is slidably connected with the guide rod 22, the movable block 25 is threadedly connected with the second threaded rod 21, a threaded hole for threaded connection of the guide rod 22 is provided on the movable block 25, a threaded hole matched with the corresponding threaded rod 21 is provided on the movable block 25, a clamping block 26 is fixedly connected to the bottom surface of the movable block 25, the clamping block 26 passes through the bottom plate 1, a long slot 27 matched with the clamping block 26 is opened on the bottom plate 1, and a second scale line 28 is provided on the outer side of the long slot 27.

[0030] Through the cooperation of the first gear 23 and the second gear 24, when one of the second threaded rods 21 is rotated, the other second threaded rod 21 at the same level can be synchronously driven to rotate synchronously, so that the two corresponding movable blocks 25 move away from or approach each other, so that the bottom plate 1 is fixed in the center, and the second scale line 28 is cooperated to measure the diameter of the blast hole.

[0031] The guide mechanism includes a mounting groove 14 circumferentially arranged on the outer side of the front end of the first measuring rod 3 , and the guide mechanism also includes a first threaded rod 17 threadedly connected to the first measuring rod 3 , and a hexagonal portion is provided at the tail end of the first threaded rod 17 , and the hexagonal portion is arranged in the first slot 5 .

[0032] Rollers 15 are equidistantly rotatably connected in the mounting groove 14, and two connecting rods 16 are hinged in parallel on the mounting groove 14. One end of the connecting rod 16 is hinged on the outer wall of the first measuring rod 3, and a support rod 18 is hinged on one of the connecting rods 16. The ends of the support rods 18 are hinged together with a rotating seat 19, and the rotating seat 19 is rotatably connected to the front end of the first threaded rod 17.

[0033] By rotating the first threaded rod 17, the support rod 18 is controlled to drive the connecting rod 16 to lift the mounting groove 14, and the roller 15 is controlled to expand the range, so as to facilitate the centering movement of the end of the first measuring rod 3 and prevent the end of the first measuring rod 3 from hitting the inner wall of the blast hole and being unable to be inserted.

[0034] The working principle of the utility model is:

[0035] When in use, the bottom plate 1 is placed on the outside of the blast hole, and the handle 13 is rotated at this time. Under the cooperation of the first gear 23 and the second gear 24, the two second threaded rods 21 at the same level are rotated at the same time, so that the movable blocks 25 are driven to move away from each other through the cooperation of the second threaded rod 21 and the guide rod 22, so that the two clamping blocks 26 are moved away from each other and abut against the edge of the blast hole, so that the diameter of the blast hole is read through the second scale 28. At this time, the square guide tube 2 is centered, and the rotating tool is inserted into the first slot 5 to rotate the hexagonal part on the first threaded rod 17, so that the position of the rotating seat 19 is adjusted, so that the connecting rod 18 is connected to the connecting rod 25. 16 is pushed open, so that the mounting groove 14 is stretched outward, so that the roller 15 is against the inner wall of the blast hole, so that the end of the first measuring rod 3 is placed in the center, and at the same time, it moves smoothly through the roller 15. At this time, the second measuring rod 4 is inserted into the first slot 5 through the plug 7, and the spring 10 pops the plug block 11 out of the contraction hole 9 and inserts it into the card hole 8 to form a connection and fixation, thereby connecting the first measuring rod 3 and the second measuring rod 4. Similarly, the plug 7 is inserted into the second slot 6 to extend the second measuring rod 4. During the extension process, the first measuring rod 3 is inserted into the blast hole to achieve a horizontal insertion effect until it cannot be inserted. At this time, the blast hole depth is measured and calculated.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rapid measuring instrument for blasthole depth in an open-pit gold mine, comprising a bottom plate (1), characterized in that: A square tube (2) is fixedly connected to the middle of the bottom plate (1), a first measuring rod (3) is slidably connected to the inside of the square tube (2), a guide mechanism is provided at the front end of the first measuring rod (3), a second measuring rod (4) is connected to the rear end of the first measuring rod (3), and the second measuring rod (4) is matched with the square tube (2). A plurality of second measuring rods (4) are provided, a first slot (5) is provided at the rear end of the first measuring rod (3), a second slot (6) is provided at the rear end of the second measuring rod (4), a plug (7) is provided at the front end of the second measuring rod (4), a clamping hole (8) is provided on the first slot (5) and the second slot (6), a shrinking hole (9) is symmetrically provided on the plug (7), a spring (10) is fixedly connected to the inside of the shrinking hole (9), an insert block (11) is fixedly connected to the end of the spring (10), the insert block (11) corresponds to and matches the clamping hole (8), and a first scale line (12) is provided on the first measuring rod (3) and the second measuring rod (4).

2. The rapid measuring instrument for blasthole depth of open-pit gold mine according to claim 1, characterized in that: The guide mechanism comprises a mounting groove (14) circumferentially arranged outside the front end of the first measuring rod (3), and the guide mechanism also comprises a first threaded rod (17) threadedly connected to the first measuring rod (3), and a hexagonal portion is arranged at the rear end of the first threaded rod (17), and the hexagonal portion is arranged in the first slot (5).

3. The rapid measuring instrument for blasthole depth of open-pit gold mine according to claim 2, characterized in that: A roller (15) is rotatably connected in the installation groove (14) at an equal distance, and two connecting rods (16) are hinged in parallel on the installation groove (14), one end of the connecting rod (16) is hinged on the outer wall of the first measuring rod (3), a support rod (18) is hinged on one of the connecting rods (16), and the ends of the support rods (18) are hinged together with a rotating seat (19), and the rotating seat (19) is rotatably connected to the front end of the first threaded rod (17).

4. The rapid measuring instrument for blasthole depth of open-pit gold mine according to claim 1, characterized in that: The top surface of the bottom plate (1) is fixedly connected with a retaining ring (20); the bottom two sides of the square tube (2) are symmetrically connected with second threaded rods (21); the other two sides of the bottom of the square retaining ring (20) are symmetrically fixedly connected with guide rods (22); the middle two sides of the square tube (2) are also symmetrically connected with second threaded rods (21); the other two sides of the middle of the square tube (2) are also symmetrically fixedly connected with guide rods (22); the second threaded rod (21) at the bottom of the square tube (2) is vertically staggered with the second threaded rod (21) in the middle of the square tube (2); and the guide rod (22) at the bottom of the square tube (2) is vertically staggered with the guide rod (22) in the middle of the square tube (2).

5. The rapid measuring instrument for blasthole depth of open-pit gold mine according to claim 4, characterized in that: The second threaded rod (21) is fixedly connected to the first gear (23) at one end close to the square tube (2), and a second gear (24) is rotatably connected to one of the guide rods (22) connected to the bottom and middle of the square tube (2), and the second gear (24) is simultaneously transmission-connected to the corresponding two first gears (23).

6. The rapid measuring instrument for blasthole depth of open-pit gold mine according to claim 4, characterized in that: The second threaded rods (21) are all rotatably connected to the retaining ring (20), and one of the second threaded rods (21) connected to the bottom and middle of the square tube (2) passes through the retaining ring (20) and is fixedly connected to a rotating handle (13).

7. The rapid measuring instrument for blasthole depth of open-pit gold mine according to claim 4, characterized in that: A movable block (25) is commonly connected to the corresponding guide rod (22) and the second threaded rod (21). The movable block (25) is slidably connected to the guide rod (22). The movable block (25) is threadedly connected to the second threaded rod (21). A clamping block (26) is fixedly connected to the bottom surface of the movable block (25). The clamping block (26) passes through the bottom plate (1). A long slot (27) adapted to the clamping block (26) is provided on the bottom plate (1). A second scale line (28) is provided on the outer side of the long slot (27).

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