CN218062299U

CN218062299U - Measuring instrument for inner diameter of deep hole of uncoupled blast hole

Info

Publication number: CN218062299U
Application number: CN202220797613.2U
Authority: CN
Inventors: 崔雪姣; 赵明生; 余红兵; 胡娟新; 康强
Original assignee: Poly Xinlian Blasting Engineering Group Co Ltd
Current assignee: Poly Xinlian Blasting Engineering Group Co Ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-12-16
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a no coupling big gun hole deep hole internal diameter measuring apparatu, comprising a base plate, install the pneumatic cylinder on the bottom plate, the piston rod of pneumatic cylinder is fixed with removes the seat, install the lifter plate through elevating system on removing the seat, install the sleeve pipe through rotary mechanism on the lifter plate, sheathed tube bottom mounting has first fixed plate, the sheathed tube top is fixed with the second fixed plate, sheathed tube internally mounted has double-shaft motor, double-shaft motor's one end is connected with first lead screw, double-shaft motor's the other end is connected with the second lead screw, first nut piece has been cup jointed through the screw thread on the first lead screw, the side symmetry of first nut piece articulates there are two first swing arms, first bar hole has been seted up in the first swing arm. The utility model discloses measure convenient, accurate, can carry out effectual measurement to the deep hole.

Description

Measuring instrument for inner diameter of deep hole of uncoupled blast hole

Technical Field

The utility model relates to a blasting technical field especially relates to a not coupling big gun hole deep hole internal diameter measuring apparatu.

Background

The measured data shows that the damping rate of the particle vibration speed is higher during small-aperture blasting than during large-aperture blasting, the blasting speed is easier to damp during small-aperture blasting, the intensity of blasting vibration is increased along with the increase of the aperture, and the increase rate is increased along with the reduction of the proportional dose. Therefore, it is considered that the diameter of the blast hole is not a decisive factor for the blasting vibration but has an important influence on the intensity of the blasting vibration, and therefore, it is an important subject to accurately measure the diameter of the blast hole. At present, the common mode is to use the distancer to measure or carry out manual measurement or judge the size of big gun hole through experience with range finding instruments such as tape measure to the big gun hole to reach the effect of measuring the big gun hole internal diameter, then place the explosive, prepare for later stage blasting, such mode is not convenient for measure the deep hole.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a measuring instrument for the inner diameter of a deep hole without coupling a blast hole.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the measuring instrument comprises a bottom plate, a hydraulic cylinder is mounted on the bottom plate, a moving seat is fixed to a piston rod of the hydraulic cylinder, a lifting plate is mounted on the moving seat through a lifting mechanism, a sleeve is mounted on the lifting plate through a rotating mechanism, a first fixing plate is fixed to the bottom end of the sleeve, a second fixing plate is fixed to the top end of the sleeve, a double-shaft motor is mounted inside the sleeve, one end of the double-shaft motor is connected with a first lead screw, the other end of the double-shaft motor is connected with a second lead screw, a first nut block is sleeved on the first lead screw through threads, two first swing arms are symmetrically hinged to the side edge of the first nut block, a first strip-shaped hole is formed in the first swing arm, a first fixing column is sleeved in the first strip-shaped hole in a sliding mode, the first fixing column is fixed to the first fixing plate, a second nut block is sleeved on the second lead screw through threads, a second swing arm is hinged to the side edge of the second nut block, a second strip-shaped hole is formed in the side edge of the second swing arm, a third fixing plate is mounted in the sliding mode, and a third fixing base is mounted in the sliding mode.

Preferably, the bottom end of the moving seat is slidably mounted on the bottom plate, one end of the lifting plate is slidably mounted on the moving seat, and the sleeve is rotatably sleeved on the lifting plate.

Preferably, the lifting mechanism comprises a first motor and a third screw rod, the first motor is installed on the movable base, an output shaft of the first motor is connected with the third screw rod, and the third screw rod is sleeved on the lifting plate through threads.

Preferably, the rotating mechanism comprises a second motor, a gear and a gear ring, the second motor is mounted on the lifting plate, the gear is sleeved on an output shaft of the second motor, and the gear ring is sleeved on the sleeve.

Preferably, a camera with a lighting lamp is mounted on the first fixing plate, and rollers are mounted at the bottom of the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the bottom plate is moved to the periphery of the blast hole through the roller, the sleeve can be moved right above the blast hole by pushing the moving seat through the hydraulic cylinder, the first motor drives the third screw rod to rotate, the third screw rod can drive the lifting plate to move through the thread transmission between the third screw rod and the lifting plate, and therefore the sleeve can be placed at the designated height position of the blast hole;

2. the utility model discloses in, the biax motor rotates, the biax motor drives first lead screw and second lead screw rotation, first lead screw can drive first swing arm through the screw drive between with first screw piece and swing on first fixed column, until the end of first swing arm and the contact of big gun hole inner wall, the second lead screw can drive the second swing arm through the screw drive between with the second screw piece and swing on the second fixed column, simultaneously, the third fixed column on the second swing arm slides on measuring arm, measuring arm slides on the fixing base, the position projection of second swing arm end on measuring arm is the radius of this big gun hole this moment, the second motor drives the gear rotation, can drive the sleeve pipe rotation through the meshing between gear and the ring gear, thereby measure co-altitude position circumference, improve the accuracy of measurement; the condition in the blast hole can be observed through the camera.

Drawings

Fig. 1 is a schematic structural diagram of a measuring instrument for measuring the inner diameter of a deep hole without coupling a blast hole;

fig. 2 is a schematic view of an installation structure of a part on a first fixing plate of a non-coupling blast hole deep hole inner diameter measuring instrument according to the present invention;

fig. 3 is a schematic view of an installation structure of a component on a second fixing plate of a non-coupling blast hole deep hole inner diameter measuring instrument according to the present invention;

fig. 4 is the utility model provides a mounting structure schematic diagram of the upper part of the lifting plate of uncoupled blasthole deep hole internal diameter measuring instrument.

In the figure: the device comprises a base plate 1, rollers 2, a hydraulic cylinder 3, a movable seat 4, a lifting mechanism 5, a first motor 51, a third screw rod 52, a lifting plate 6, a rotating mechanism 7, a second motor 71, a gear 72, a gear ring 73, a sleeve 8, a first screw rod 9, a lighting lamp 10, a first swing arm 11, a first nut block 12, a first fixing plate 13, a double-shaft motor 14, a second screw rod 15, a second fixing plate 16, a second swing arm 17, a measuring arm 18, a second nut block 19, a fixed seat 20, a second fixing column 21, a scale bar 22, a third fixing column 23 and a first fixing column 24.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, a measuring instrument for bore hole deep bore diameter without coupling comprises a base plate 1, a hydraulic cylinder 3 is installed on the base plate 1, a moving seat 4 is fixed on a piston rod of the hydraulic cylinder 3, a lifting plate 6 is installed on the moving seat 4 through a lifting mechanism 5, a sleeve 8 is installed on the lifting plate 6 through a rotating mechanism 7, a first fixing plate 13 is fixed at the bottom end of the sleeve 8, a second fixing plate 16 is fixed at the top end of the sleeve 8, a double-shaft motor 14 is installed inside the sleeve 8, one end of the double-shaft motor 14 is connected with a first lead screw 9, the other end of the double-shaft motor 14 is connected with a second lead screw 15, a first nut block 12 is sleeved on the first lead screw 9 through threads, two first swing arms 11 are symmetrically hinged on the side edge of the first nut block 13, a first strip-shaped hole is formed on the first swing arm 11, a first fixing column 24 is sleeved in the first strip-shaped hole, the first fixing column 24 is fixed on the first fixing plate 13, a second lead screw 15 is sleeved with a second nut block 19 through threads, the side edge of the second swing arm 19 is hinged on the side edge of the second swing arm 17, a sliding fixing plate 17, a sliding lamp is installed on the sliding fixing plate 18, a sliding fixing plate 18 fixed on the sliding seat, a sliding side edge of the sliding arm, a third fixing plate 16 fixed on the sliding arm 18, a sliding lamp is installed on the sliding fixing plate 18 fixed on the sliding fixing plate 16, a sliding fixing plate 18, a sliding fixing plate 16 fixed on the sliding fixing plate 18, a sliding arm 16 fixed on the sliding arm 16, the bottom of the bottom plate 1 is provided with a roller 2.

Referring to fig. 4, the lifting mechanism 5 includes a first motor 51 and a third lead screw 52, the first motor 51 is mounted on the movable base 4, an output shaft of the first motor 51 is connected with the third lead screw 52, and the third lead screw 52 is sleeved on the lifting plate 6 through a thread; the rotating mechanism 7 comprises a second motor 71, a gear 72 and a gear ring 73, wherein the second motor 71 is installed on the lifting plate 6, the gear 72 is sleeved on an output shaft of the second motor 71, and the gear ring 73 is sleeved on the sleeve 8.

The working principle is as follows: the bottom plate 1 is moved to the periphery of a blast hole through the roller 2, the moving seat 4 is pushed through the hydraulic cylinder 3, the sleeve 8 can be moved right above the blast hole, the first motor 51 drives the third screw rod 52 to rotate, the third screw rod 52 can drive the lifting plate 6 to move through the thread transmission with the lifting plate 6, and therefore the sleeve 8 can be placed at the designated height position of the blast hole; the double-shaft motor 14 rotates, the double-shaft motor 14 drives the first screw rod 9 and the second screw rod 15 to rotate, the first screw rod 9 can drive the first swing arm 11 to swing on the first fixing column 24 through the thread transmission between the first screw nut block 12 until the tail end of the first swing arm 11 is contacted with the inner wall of the blast hole, the second screw rod 15 can drive the second swing arm 17 to swing on the second fixing column 21 through the thread transmission between the second screw nut block 19, meanwhile, the third fixing column 23 on the second swing arm 17 slides on the measuring arm 18, the measuring arm 18 slides on the fixing seat 20, the position projection of the tail end of the second swing arm 17 on the measuring arm 18 is the radius of the blast hole at the position, the second motor 71 drives the gear 72 to rotate, the sleeve 8 can be driven to rotate through the meshing between the gear 72 and the gear ring 73, the circumferential measurement of the same-height position is carried out, and the measurement accuracy is improved; the conditions inside the blasthole can be observed by means of the camera 10.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The measuring instrument for the inner diameter of the deep hole of the uncoupled gun hole comprises a bottom plate (1) and is characterized in that a hydraulic cylinder (3) is installed on the bottom plate (1), a moving seat (4) is fixed on a piston rod of the hydraulic cylinder (3), a lifting plate (6) is installed on the moving seat (4) through a lifting mechanism (5), a sleeve (8) is installed on the lifting plate (6) through a rotating mechanism (7), a first fixing plate (13) is fixed at the bottom end of the sleeve (8), a second fixing plate (16) is fixed at the top end of the sleeve (8), a double-shaft motor (14) is installed inside the sleeve (8), one end of the double-shaft motor (14) is connected with a first lead screw (9), the other end of the double-shaft motor (14) is connected with a second lead screw (15), a first nut block (12) is sleeved on the first lead screw (9) through a thread, two first swing arms (11) are symmetrically hinged to the side edge of the first nut block (12), a first swing arm (11) is provided with a first bar-shaped nut block (24), a second bar-shaped fixing column (19) is hinged to the second bar-shaped nut block (13), the side of second swing arm (17) has seted up the second bar hole, second fixed column (21) has been cup jointed to the downthehole slip of second bar, second fixed column (21) are fixed on second fixed plate (16), the top of second fixed plate (16) is fixed with fixing base (20), the side slidable mounting of fixing base (20) has the one end of measuring arm (18), the third bar hole has been seted up to the side of measuring arm (18), the one end of second swing arm (17) is fixed with third fixed column (23), third fixed column (23) slip cup joint at the downthehole third bar.

2. The uncoupled big hole deep hole inner diameter measuring instrument as recited in claim 1, wherein the bottom end of the movable base (4) is slidably mounted on the bottom plate (1), one end of the lifting plate (6) is slidably mounted on the movable base (4), and the sleeve (8) is rotatably sleeved on the lifting plate (6).

3. The uncoupled big hole deep hole inner diameter measuring instrument as recited in claim 1, wherein the lifting mechanism (5) comprises a first motor (51) and a third screw (52), the first motor (51) is mounted on the movable base (4), an output shaft of the first motor (51) is connected with the third screw (52), and the third screw (52) is sleeved on the lifting plate (6) through a thread.

4. The uncoupled big hole deep hole inner diameter measuring instrument as recited in claim 1, wherein the rotating mechanism (7) comprises a second motor (71), a gear (72) and a gear ring (73), the second motor (71) is mounted on the lifting plate (6), the gear (72) is sleeved on an output shaft of the second motor (71), and the gear ring (73) is sleeved on the sleeve (8).

5. The uncoupled deep hole inner diameter measuring instrument according to claim 1, wherein a camera (10) with an illuminating lamp is mounted on the first fixing plate (13), and a roller (2) is mounted at the bottom of the bottom plate (1).