Blasting blast hole measuring device in surface mine
By combining a base, a bonding plate, and a laser rangefinder, the problems of time-consuming, labor-intensive, and error-prone traditional measurement methods are solved, enabling rapid and accurate borehole measurement and improving blasting effectiveness.
Patent Information
- Application Number
- CN202423194457.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Traditional methods of measuring blasting boreholes are time-consuming, labor-intensive, and prone to significant errors. In particular, in deep blasting boreholes, the optical path of the laser rangefinder is easily blocked by protrusions or debris, leading to inaccurate measurement results.
The device includes a base, a bonding plate, a movable base, and a laser rangefinder. Through telescopic components and a guide groove structure, the bonding plate is made in close contact with the inner wall of the borehole. Combined with multi-point measurement by the laser rangefinder, the accurate diameter and depth of the borehole can be obtained.
It enables rapid and accurate measurement of the diameter and depth of blasting boreholes, accurately guides the placement of explosives, improves blasting effectiveness, and avoids measurement errors.
Smart Images
Figure CN223815081U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to blasting hole measuring device technical field, specifically discloses a blasting hole measuring device in open -pit mine. BACKGROUND
[0002] In the process of mineral exploitation, often need to open the mountain stone by the way of blasting, usually, will drill out the blasting hole on the rock mass first, then according to the size and depth of blasting hole, place the quantitative explosive, make the ore broken by the high temperature and high pressure gas produced by explosion, thereby reach the exploitation purpose. The depth and diameter of blasting hole directly affect the explosive placement and blasting effect, if the hole depth and diameter are insufficient, explosive can not be filled fully, lead to ore broken, if the hole depth is too deep and / or diameter is too large, can lead to explosive can not be detonated completely, affect the blasting effect and safety, in order to guarantee that can fully meet the blasting demand, after drilling, need to measure the depth and diameter of blasting hole when placing explosive.
[0003] The traditional measurement mode is that stone or weight block is bound on the lower end of tape, under the gravity of stone or weight block, the tape is lowered along the blasting hole to the bottom of blasting hole, when the tape can not continue to fall, the depth of blast hole is determined according to the release length of tape, then the diameter of blasting hole is measured by measuring tool. This measurement mode is time-consuming and laborious, and the efficiency is low, and it is not suitable for the blasting hole with deep depth. The laser range finder is used to measure the depth of blast hole, and the measurement process is more rapid, and the application range is wide, but the light path of laser range finder is sometimes blocked by some protrusions or stone powder in the blast hole, and obvious error exists in the measurement result. SUMMARY
[0004] In order to solve the problems in the background art, the utility model discloses a blasting hole measuring device in open -pit mine, including the board that fits, mobile seat and laser range finder, can quickly and accurately obtain the diameter and depth of blasting hole, accurately guide the placement of explosive, improve the blasting effect.
[0005] In order to achieve the above-mentioned purposes, the utility model adopts the following technical scheme:
[0006] A blasting hole measuring device in open -pit mine, including base, the board that fits is connected on both sides of the base through telescopic component, the board that fits is arranged on the same straight line back to, the measuring scale for measuring the interval between the board that fits is set on the telescopic component, the mobile seat is movably connected below the base, the mobile seat can move left and right along the axial direction of base, the laser range finder is set on the mounting support below the mobile seat, and the mounting support is movably connected with the mobile seat, and the mounting support can drive the laser range finder to slide back and forth along the axial direction of mobile seat.
[0007] Further, the open-pit mine blasting hole measuring device, the base and the moving seat are rectangular structures respectively, a telescopic slot is arranged on the upper portion of the base for the telescopic assembly, a guide slot B extending along the axial direction of the base is arranged on the lower portion of the base, a sliding block B matched with the guide slot B is arranged on the top of the moving seat, a guide slot A extending along the axial direction of the moving seat is arranged on the lower portion of the moving seat, and a sliding block A matched with the guide slot A is arranged on the top of the mounting support.
[0008] Further, the open-pit mine blasting hole measuring device, the base and the moving seat are rectangular structures respectively, a telescopic slot is arranged on the upper portion of the base for the telescopic assembly, a guide slot B extending along the axial direction of the base is arranged on the lower portion of the base, a sliding block B matched with the guide slot B is arranged on the top of the moving seat, a guide slot A extending along the axial direction of the moving seat is arranged on the lower portion of the moving seat, and a sliding block A matched with the guide slot A is arranged on the top of the mounting support.
[0009] Further, the open-pit mine blasting hole measuring device, the telescopic assembly comprises a double-rod cylinder and a telescopic arm, the telescopic arm is arranged in the corresponding telescopic slot, the double-rod cylinder is arranged in the middle portion of the base, the tail end of the piston rod of the double-rod cylinder is fixedly connected with one end of the corresponding telescopic arm respectively, and the other end of the telescopic arm is fixedly connected with the corresponding abutting plate.
[0010] Further, the open-pit mine blasting hole measuring device, the abutting plate comprises an L-shaped abutting plate body, a wear-resistant layer is arranged at the position where the abutting plate body contacts the inner wall of the blasting hole, a plurality of convex blocks are arranged on the wear-resistant layer, a pressure sensor is arranged in the convex block, the information output end of the pressure sensor is electrically connected with a control panel arranged on the top of the abutting plate body, and the output end of the control panel is electrically connected with the controller of the double-rod cylinder.
[0011] Further, the open-pit mine blasting hole measuring device, a lifting rod is arranged on the top of the base.
[0012] Compared with the prior art, the open-pit mine blasting hole measuring device has the beneficial effects that:
[0013] The utility model discloses open -pit mine middle blast blast hole measuring device, the both sides of the base are connected with the lamination board through the telescopic component respectively, be provided with the measuring scale for measuring the interval between the lamination board on the telescopic component, the mobile seat is movably connected with below the base, the mobile seat can move left and right along the axial direction of base, the laser range finder is provided with through the mounting support below the mobile seat, and the mounting support is movably connected with the mobile seat, and the mounting support can drive the laser range finder to slide along the axial direction of mobile seat, realizes the multi -point measurement, utilizes the utility model discloses open -pit mine middle blast blast hole measuring device, can obtain the diameter and depth of blast blast hole fast and accurately, accurately instructs the placement of explosive, improves the blasting effect, avoids the obvious error of the measurement result due to the light path of laser range finder is blocked by some protruding objects or gravel powder in the blast hole. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the three -dimensional structure schematic of the utility model discloses open -pit mine middle blast blast hole measuring device Figure One ;
[0015] Figure 2 It is the three -dimensional structure schematic of the utility model discloses open -pit mine middle blast blast hole measuring device Figure Two ;
[0016] In the above-mentioned drawing: 1 - lamination board, 1.1 - lamination board body, 1.2 - wear -resisting layer, 1.3 - lug, 2 - telescopic arm, 3 - measuring scale, 4 - base, 5 - hoist pole, 6 - mobile seat, 7 - guide groove A, 8 - laser range finder, 9 - guide groove B, 10 - control panel, 11 - pressure sensor, 12 - guide rod, 13 - telescopic cylinder. DETAILED DESCRIPTION
[0017] In order to better understand the utility model, the contents of the utility model are further illustrated below in conjunction with examples, but the contents of the utility model are not limited to the following examples only, it is explained here that the utility model is the mechanical structure of open -pit mine middle blast blast hole measuring device, and the control system involved adopts prior art, so the control system is not described in detail.
[0018] Combine the attached Figures 1-2The utility model relates to a kind of open pit mine blast hole measuring devices, including pedestal 4, the two sides of the pedestal 4 are connected with the adhering plate 1 by telescopic component respectively, the adhering plate 1 is arranged on the same straight line in back, measuring scale 3 for measuring the spacing between the adhering plate 1 is arranged on the telescopic component, mobile seat 6 is movably connected below the pedestal 4, the mobile seat 6 can move left and right along the axial direction of pedestal 4, laser range finder 8 is arranged below the mobile seat 6 by mounting support, mounting support (not shown in the drawing) is movably connected with mobile seat 6, mounting support can drive laser range finder 8 to slide back and forth along the axial direction of mobile seat 6, it needs to be explained here that the initial scale of measuring scale 3 is arranged in the position close to adhering plate 1, the initial scale of measuring scale 3 is half of the spacing between adhering plate 1 in telescopic component contraction state, when telescopic component is elongated, adhering plate 1 is in close contact with the inner wall of blast hole, the value of the coincident position of the end of pedestal 4 and corresponding measuring scale 3 is the radius of blast hole, when working, telescopic component is elongated simultaneously, adhering plate 1 is in close contact with the inner wall of blast hole, the value of the coincident position of the end of pedestal 4 and corresponding measuring scale 3 is read, and the radius of blast hole is obtained, simultaneously, mobile seat 6 moves left and right along the axial direction of pedestal 4, a group of data is measured using laser range finder 8, then, mounting support drives laser range finder 8 to slide back and forth along the axial direction of mobile seat 6, second group of data is measured using laser range finder 8, the maximum value in two groups of data is the depth of blast hole.In actual work, according to the size of blast hole, the number of each group of data measured by laser range finder 8 is determined, generally, the larger the blast hole, the more the number of each group of data, simultaneously, when the difference of first group of data is relatively large, the number of second group of data needs to be appropriately increased, to avoid that the measurement result exists obvious error due to the light path of laser range finder being blocked by some protrusions or gravel powder inside blast hole, using the open pit mine blast hole measuring device of the utility model, the diameter and depth of blast hole can be quickly and accurately obtained, the placement amount of explosive is accurately guided, and the blasting effect is improved.
[0019] As optional design, preferably the open pit mine blast hole measuring device, the pedestal 4 and mobile seat 6 are rectangular structure respectively, like Figure 1As shown, a telescopic slot is arranged on the upper part of the base 4 for the telescopic assembly, a guide slot B9 is arranged on the lower part of the base 4 extending along the axial direction of the base 4, a sliding block B (not shown in the figure) is arranged on the top of the moving seat 6 matching the guide slot B9, a guide slot A7 extending along the axial direction of the moving seat 6 is arranged on the lower part of the moving seat 6, and a sliding block A (not shown in the figure) is arranged on the top of the mounting support matching the guide slot A7. Under the action of the guide slot and the corresponding sliding block, the laser range finder 8 is moved left and right and forward and backward through the moving seat 6 and the mounting support, thereby improving the accuracy of the measurement result of the laser range finder 8 and avoiding obvious errors in the measurement result caused by the light path of the laser range finder being blocked by some protrusions or stone powder inside the blast hole.
[0020] As an optional design, preferably, the blast hole measuring device in the open-pit mine, the base 4 and the moving seat 6 are rectangular structures, a telescopic slot is arranged on the upper part of the base 4 for the telescopic assembly, a guide rod B (not shown in the figure) extending along the axial direction of the base 4 is arranged on the lower part of the base 4, a sliding sleeve B (not shown in the figure) is arranged on the top of the moving seat 6 sleeving the guide rod B, a guide rod A12 extending along the axial direction of the moving seat 6 is arranged on the lower part of the moving seat 6, and a sliding sleeve A sleeving the guide rod A12 is arranged on the top of the mounting support. Telescopic pneumatic cylinders 13 are arranged on the bottom of the base 4 and the moving seat 6 respectively, the end of the piston rod of the telescopic pneumatic cylinder 13 is fixedly connected with the corresponding sliding sleeve. When the telescopic pneumatic cylinder 13 is telescoped, the corresponding sliding sleeve can be pulled to slide along the guide rod where it is located, and finally the moving seat 6 drives the laser range finder 8 to slide left and right along the guide rod B through the mounting support. In addition, the mounting support drives the laser range finder 8 to slide forward and backward along the guide rod A12, and finally the forward and backward and left and right adjustment of the measurement position of the laser range finder 8 is realized, multi-point measurement is realized, the accuracy of the measurement result of the laser range finder 8 is improved, and obvious errors in the measurement result caused by the light path of the laser range finder being blocked by some protrusions or stone powder inside the blast hole are avoided. It should be noted that the telescopic pneumatic cylinder 13 and the guide rod can also be replaced by a motor and a lead screw, and the sliding sleeve can be replaced by a lead screw nut, which can also achieve the above purposes.
[0021] As an optional design, preferably, the blast hole measuring device in the open-pit mine, the telescopic assembly includes a double-rod pneumatic cylinder (not shown in the figure) and telescopic arms 2, the telescopic arms 2 are arranged in the corresponding telescopic slots, the double-rod pneumatic cylinder is arranged in the middle part of the base 4, the end of the piston rod of the double-rod pneumatic cylinder is fixedly connected with one end of the corresponding telescopic arm 2, and the other end of the telescopic arm 2 is fixedly connected with the corresponding abutting plate 1. When the double-rod pneumatic cylinder is telescoped, the two telescopic arms 2 drive the abutting plate 1 to telescope.
[0022] As an optional design, preferably the open pit mine blasting hole measuring device, the fitting plate 1 includes an L-shaped fitting plate body 1.1, a wear-resistant layer 1.2 is arranged at the position where the fitting plate body 1.1 contacts with the inner wall of the blasting hole, and a plurality of convex blocks 1.3 are arranged on the wear-resistant layer 1.2; the wear-resistant layer 1.2 and the convex blocks 1.3 increase the friction when the fitting plate body 1.1 contacts with the inner wall of the blasting hole, and protect the fitting plate body 1.1; a pressure sensor 11 is arranged in the convex block 1.3; the information output end of the pressure sensor 11 is electrically connected with a control panel 10 arranged on the top of the fitting plate body 1.1; and the output end of the control panel 10 is electrically connected with the controller of the double-rod pneumatic cylinder; in operation, the threshold of the pressure sensor 11 is set through the control panel 10; the fitting plate body 1.1 is tightly contacted with the inner wall of the blasting hole; when the measurement value of the pressure sensor 11 reaches the threshold, the control panel 10 instructs the double-rod pneumatic cylinder to stop stretching; the value of the position where the end of the base 4 coincides with the corresponding measuring scale 3 is read; and the radius of the blasting hole is obtained.
[0023] As an optional design, preferably the open pit mine blasting hole measuring device, a lifting rod 5 is arranged on the top of the base 4, which facilitates lifting the open pit mine blasting hole measuring device into the blasting hole.
[0024] The working process of the open pit mine blasting hole measuring device is as follows:
[0025] The threshold of the pressure sensor 11 is set through the control panel 10; the open pit mine blasting hole measuring device is lifted into the blasting hole through the lifting rod 5; the fitting plate body 1.1 is stretched by the double-rod pneumatic cylinder through the telescopic arm 2; the fitting plate body 1.1 is tightly contacted with the inner wall of the blasting hole; when the measurement value of the pressure sensor 11 reaches the threshold, the control panel 10 instructs the double-rod pneumatic cylinder to stop stretching; the value of the position where the end of the base 4 coincides with the corresponding measuring scale 3 is read; the radius of the blasting hole is obtained; at the same time, the moving seat 6 moves left and right along the axial direction of the base 4; a group of data is obtained by using the laser range finder 8; then, the mounting support drives the laser range finder 8 to slide forward and backward along the axial direction of the moving seat 6; a second group of data is obtained by using the laser range finder 8; the maximum value in the two groups of data is the depth of the blasting hole; the open pit mine blasting hole measuring device can quickly and accurately obtain the diameter and depth of the blasting hole, accurately guide the placement of explosives, and improve the blasting effect.
[0026] The above description is only the application implementation manner of the present application, but the protection scope of the present application is not limited to this, and the protection scope of the present application cannot be limited by this, and any equivalent change according to the technical scheme of the present application should be covered in the protection scope of the present application.
Claims
1. A measuring device for blasting boreholes in open-pit mines, characterized in that: The device includes a base, with bonding plates connected to both sides of the base via telescopic components. The bonding plates are arranged back-to-back on the same straight line. A measuring scale for measuring the distance between the bonding plates is provided on the telescopic components. A movable base is movably connected below the base and can move left and right along the axial direction of the base. A laser rangefinder is mounted below the movable base via a mounting bracket. The mounting bracket is movably connected to the movable base and can drive the laser rangefinder to slide back and forth along the axial direction of the movable base.
2. The blasting borehole measuring device in open-pit mines according to claim 1, characterized in that: The base and the movable seat are both rectangular structures. The upper part of the base is provided with a telescopic groove for the telescopic component to pass through. The lower part of the base is provided with a guide groove B extending along the axial direction of the base. The top of the movable seat is provided with a slider B that matches the guide groove B. The lower part of the movable seat is provided with a guide groove A that extends along the axial direction of the movable seat. The top of the mounting support is provided with a slider A that matches the guide groove A.
3. The blasting borehole measuring device in open-pit mines according to claim 1, characterized in that: The base and the movable seat are both rectangular structures. The upper part of the base is provided with a telescopic groove for the telescopic component to pass through. The lower part of the base is provided with a guide rod B extending along the axial direction of the base. The top of the movable seat is provided with a sliding sleeve B sleeved on the guide rod B. The lower part of the movable seat is provided with a guide rod A extending along the axial direction of the movable seat. The top of the mounting support is provided with a sliding sleeve A sleeved on the guide rod A. Telescopic cylinders are respectively provided at the bottom of the base and the movable seat. The end of the piston rod of the telescopic cylinder is fixedly connected to the corresponding sliding sleeve.
4. The blasting borehole measuring device in an open-pit mine according to claim 2 or 3, characterized in that: The telescopic assembly includes a double-rod cylinder and a telescopic arm. The telescopic arm passes through a corresponding telescopic groove. The double-rod cylinder is located in the middle of the base. The ends of the piston rods of the double-rod cylinders are fixedly connected to one end of the corresponding telescopic arm, and the other ends of the telescopic arms are fixedly connected to the corresponding bonding plates.
5. The blasting borehole measuring device in an open-pit mine according to claim 4, characterized in that: The bonding plate includes an L-shaped bonding plate body. A wear-resistant layer is provided at the position where the bonding plate body contacts the inner wall of the blasting hole. Several protrusions are also provided on the wear-resistant layer. A pressure sensor is provided in the protrusion. The information output end of the pressure sensor is electrically connected to a control panel located on the top of the bonding plate body. The output end of the control panel is electrically connected to the controller of the double-rod cylinder.
6. The blasting borehole measuring device in an open-pit mine according to claim 4, characterized in that: A lifting rod is provided at the top of the base.