CN219511441U - Blast hole measuring instrument - Google Patents
Blast hole measuring instrument Download PDFInfo
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- CN219511441U CN219511441U CN202320316042.0U CN202320316042U CN219511441U CN 219511441 U CN219511441 U CN 219511441U CN 202320316042 U CN202320316042 U CN 202320316042U CN 219511441 U CN219511441 U CN 219511441U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a blast hole measuring instrument. The device of the utility model comprises: the multi-section telescopic rod is connected with the measuring rod in a collinear manner, and further comprises a moving rod and a gravity ball, wherein the moving rod is sleeved on the measuring rod and can flexibly move on the measuring rod, the moving rod and the measuring rod are mutually perpendicular, and meanwhile, the moving rod and the measuring rod are detachably connected; the angle measuring plate is fixedly connected with the moving rod, the arc surface of the angle measuring plate faces downwards, and the horizontal plane of the angle measuring plate is mutually perpendicular to the moving rod; the gravity ball is hinged on the measuring angle plate. The utility model can simplify steps, improve efficiency, realize rapid measurement of the depth and the inclination angle of the blast hole and improve accuracy.
Description
Technical Field
The utility model relates to the technical field of measuring instruments, in particular to a blast hole measuring instrument.
Background
The drilling and blasting method is widely applied to the exploitation of hard rock mines in China, and the rock drilling operation is an important procedure in the exploitation process of the drilling and blasting method. The underground engineering geological conditions have complex variability, and factors such as stability of rock drilling equipment in the process of drilling rock in a roadway, proficiency of operators and the like can influence the construction quality of blasting blastholes.
The blast hole inclination angle parameter reflects the spatial relative position relation among blast holes and is an important parameter for actual measurement and acceptance of the blast holes. If the inclination angle does not meet the design requirement, namely the spatial relative position relation of the blast holes is inconsistent with the design, on one hand, the degree of the rock mass of the caving ore is uneven, the shovel loading efficiency is reduced, and the specific consumption of secondary crushing explosive of the ore is increased; on the other hand, the method is not beneficial to realizing the slight difference blasting of the blastholes, the delayed blasting blastholes can be influenced by detonation waves or flying stones generated by the pre-blasting blastholes, and blast hole explosion-proof accidents can possibly be generated to influence the mine safety production.
The depth of the blast hole refers to the vertical distance from the bottom of the blast hole to the working surface; the depth of the blast hole occupies an important position in the blasting parameters, and not only affects the speed or strength of tunneling, stoping and other works, but also affects the blasting effect and material consumption. The hole depth is increased, the time of rock drilling and rock loading is increased, and the time of charging, ventilation and equipment is correspondingly reduced, but with the increase of the hole depth, the clamp manufacturing of blasting is increased, good blasting effect is not facilitated, the consumption of explosive is increased, and therefore the measurement of blast holes is an important work.
In the prior art, the TSP blast hole measurer with the authorized bulletin number of CN 206891354U comprises a telescopic ruler and a protractor component, and the telescopic ruler is inserted into the bottom of the hole, so that the depth parameter can be read; the protractor assembly is movably sleeved on the telescopic ruler, the protractor assembly comprises a protractor and two indicating pins, the surface of the protractor is required to be perpendicular to a horizontal plane, the cylindrical level H is adjusted to enable bubbles to be centered, the horizontal state is further maintained, the inclination angle is measured by reading the angle value of the indicating pin F which is perpendicular to the telescopic ruler and downward, but the angle measuring mode is required to be considered to keep the surface of the protractor horizontal, the bubbles are required to be considered to be observed through the cylindrical level, the subjectivity is high, the accuracy is low, the steps are more, and the quick measurement cannot be performed.
In the prior art, the blasting blast hole angle measuring device with the authorization bulletin number of CN 211060903U comprises a positioning rod and a measuring plate, wherein a fixed slot is formed in the positioning rod, a mounting plate is vertically arranged on the side surface of the measuring plate, a plurality of mounting holes are formed in the mounting plate, screws are correspondingly arranged on the mounting plate in a threaded manner, and the mounting plate is arranged on the side surface of the positioning rod through the screws; the measuring plate is provided with a sliding groove, a second gravity ball is arranged in the sliding groove in a sliding mode, an angle code is arranged on the sliding groove, the angle is measured through the two gravity balls, the position of the measuring plate is determined, the screw needs to be repeatedly detached, the screw is completely screwed out or screwed in, a large operation space is needed, a lot of time is needed, and the efficiency is low.
In order to solve the technical problems, the utility model provides a blast hole measuring instrument.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a blast hole measuring instrument which can simplify the measuring steps, improve the operating efficiency, further realize the rapid measurement of the depth and the inclination angle of a blast hole and improve the accuracy.
In order to achieve the above object, the present utility model proposes the following technical scheme:
the measuring instrument for the blast hole comprises a plurality of sections of telescopic rods, a measuring rod, a moving rod, a measuring angle plate, a gravity ball and a spring moving block, wherein the telescopic rods are connected with the measuring rod in a collinear manner, the moving rod is sleeved on the measuring rod and can flexibly move on the measuring rod, the moving rod and the measuring rod are mutually perpendicular, and the moving rod and the measuring rod are detachably connected through the spring moving block; the angle measuring device comprises a movable rod, a measuring plate, a first pin shaft, a second pin shaft, a third hole, a fourth hole, a third hole and a fourth hole, wherein the first pin shaft and the second pin shaft are arranged on the movable rod; the gravity ball is hinged on the measuring angle plate.
Preferably, the gravity ball is sleeved on the first pin shaft through a lantern ring with a rope, so that the gravity ball is hinged.
Preferably, a hollow track is arranged at the horizontal central line of the measuring rod, a movable shaft is arranged in a through groove of the movable rod, two ends of the movable shaft are connected with the movable rod, and the movable shaft is arranged in the hollow track in a sliding manner, so that two ends of the movable rod are limited.
Preferably, the measuring rod is provided with a plurality of clamping grooves, the moving rod is provided with a through groove, the size of the measuring rod is matched with the through groove, and a longitudinal moving space is arranged above the through groove and used for placing the spring moving block; the spring movable block comprises a spring, a movable spanner and a clamping block which are sequentially connected, the spring movable block is in a cross shape, the spring is arranged in a longitudinal movement space and is connected with the upper part in a through groove, the movable spanner penetrates out of the through groove, the clamping block can be clamped into a clamping groove of a measuring rod, the spring is clamped into the clamping groove under the normal length, the clamping block leaves the clamping groove through the upward movement of the movable spanner, and then the movable rod is restored to a movable state.
Preferably, the multistage telescopic link includes first section telescopic link, second section telescopic link and the third section telescopic link that connects through extending structure, and every section telescopic link length is 1~3m, and the multistage telescopic link is 3~9m after the complete extension, can select the flexible state of multistage telescopic link according to the general degree of depth of big gun hole. The telescopic structure is in the prior art, and any structure capable of realizing the telescopic effect of the telescopic rod can be used here.
Preferably, the multi-section telescopic rod and the measuring rod are connected through a detachable structure, and the proper multi-section telescopic rod or measuring rod can be replaced according to the actual measured depth.
Preferably, the detachable connection is a threaded connection or a snap connection.
Preferably, the length of the measuring rod is 0.4-1 m, and scales are marked on the measuring rod.
Preferably, the multi-section telescopic rod comprises a plurality of telescopic rods connected through a detachable structure, and each section of telescopic rod is consistent in length.
Preferably, the detachable structure is a bolt-nut structure, a buckle structure or an inserting structure.
Preferably, the length of each section of telescopic rod is inconsistent, and the length is between 0.5 and 1.5 m.
Preferably, a section of sharp rod is further arranged at the tail end of the multi-section measuring rod and is used for being inserted into the depth of the blast hole so as to fix the position of the measuring instrument.
Preferably, a plurality of support frames are arranged on the measuring rod, one end of each support frame is hinged with the measuring rod, and the movable range of each support frame is 0-90 degrees and used for stabilizing the measuring instrument.
Preferably, the support frame comprises a plurality of short frames, the short frames are detachably connected, the number of the short frames is adjusted according to the diameter of the blast hole, and then the stability of a plurality of measuring instruments of the support frame is realized, and the measuring precision is ensured.
Specifically, before measuring the blast hole, roughly estimating the depth of the blast hole, and selecting a proper multi-section telescopic rod and a proper measuring rod according to an estimated value;
the selected measuring instrument stretches into the blast hole, so that the lower surface of the measuring rod is parallel to the inner wall of the blast hole, and a supporting frame with proper length is selected to be supported on the inner wall of the blast hole;
then the spring moving block is broken up to move upwards, so that the moving rod is restored to a free moving state, the moving rod is moved according to the actual blast hole position, one end of the moving rod is attached to the outer plane of the blast hole, then the spring moving block is loosened, and the clamping block is clamped into the clamping groove under the action of the spring restoring force, so that the position of the moving rod on the measuring rod is fixed;
at the moment, the depth of the blast hole can be calculated according to the position of the movable rod on the measuring rod;
and then the rope of the gravity ball sags under the action of the gravity ball, and the angle value is read according to the position of the rope on the angle measuring plate, and the angle value is subtracted by 90 degrees, namely the inclination of the blast hole.
The utility model has the beneficial effects that:
the device realizes the measurement of the depth of the blast hole and the inclination angle of the blast hole through the combination of a plurality of sections of telescopic rods, measuring rods, moving rods, angle measuring plates, gravity balls and spring moving blocks;
the device realizes the position adjustment of the moving rod on the measuring rod through the sliding fit of the measuring rod and the moving rod and the limit setting of the spring moving block, and has simple operation, thereby improving the measuring efficiency and the accuracy of the measuring result;
the device is provided with the gravity ball and the angle measuring plate, so that angle measurement is more visual and effective, and efficiency is improved.
By adopting the scheme, the utility model can simplify the measurement steps, improve the operation efficiency, further realize the rapid measurement of the depth and the inclination angle of the blast hole and improve the accuracy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
In the figure, 1-multistage telescopic rod, 2-measuring rod, 3-movable rod, 4-measuring angle plate, 5-gravity ball, 6-spring movable block, 11-first section telescopic rod, 12-second section telescopic rod, 13-third section telescopic rod, 21-clamping groove, 22-hollow track, 51-movable shaft, 52-first hole, 53-second hole, 54-longitudinal movable space, 61-movable spanner, 62-spring and 63-clamping block.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
As shown in fig. 1, the blast hole measuring instrument comprises a multi-section telescopic rod 1, a measuring rod 2, a moving rod 3, a protractor plate 4, a gravity ball 5 and a spring moving block 6, wherein the multi-section telescopic rod 1 is connected with the measuring rod 2 in a collinear manner, the moving rod 3 is sleeved on the measuring rod 2 and can flexibly move on the measuring rod 2, the moving rod 3 and the measuring rod 2 are mutually perpendicular, and the moving rod 3 and the measuring rod 2 are detachably connected through the spring moving block 6; the movable rod 3 is provided with a first hole 52, a second hole 53 is arranged vertically below the first hole 52, a third hole corresponding to the first hole 52 and a fourth hole corresponding to the second hole 53 are arranged on the middle vertical line of the angle measuring plate 4, the first pin sequentially passes through the third hole and the first hole 52, the second pin sequentially passes through the fourth hole and the second hole 53, and further, the limiting connection of the angle measuring plate 4 and the movable rod 3 is realized, the arc surface of the angle measuring plate 4 faces downwards, and the horizontal plane is mutually perpendicular to the movable rod 3; the gravity ball 5 is sleeved on the first pin shaft through a lantern ring with a rope, so that hinging is realized.
Preferably, a hollow rail 22 is arranged at the horizontal center line position of the measuring rod 2, a moving shaft 51 is arranged in a through groove of the moving rod 3, two ends of the moving shaft 51 are connected with the moving rod 3, and the moving shaft 51 is slidably arranged in the hollow rail 22, so that two ends of the moving rod 3 are limited.
Preferably, the measuring rod 2 is provided with a plurality of clamping grooves 21, the moving rod 3 is provided with a through groove, the dimension of the measuring rod 2 is adapted to the through groove, and a longitudinal moving space 54 is arranged above the through groove for placing the spring moving block 6; the spring moving block 6 comprises a spring 62, a moving spanner 61 and a clamping block 63 which are sequentially connected, the spring moving block 6 is in a cross shape, the spring 62 is arranged in the longitudinal moving space 54 and is connected with the upper part in the through groove, the moving spanner 61 penetrates out of the through groove, the clamping block 63 can be clamped into the clamping groove of the measuring rod 2, the spring 62 is clamped into the clamping groove 21 under the normal length, the clamping block 63 leaves the clamping groove 21 through the upward moving spanner 61, and the moving rod 3 is restored to a movable state.
Preferably, the multi-section telescopic rod 1 comprises a first section telescopic rod 11, a second section telescopic rod 12 and a third section telescopic rod 13 which are connected through a telescopic structure, the length of each section telescopic rod is 1-3 m, the length of each section telescopic rod is 3-9 m after the multi-section telescopic rod 1 is fully extended, and the telescopic state of the multi-section telescopic rod can be selected according to the approximate depth of a blast hole. The telescopic structure is in the prior art, and any structure capable of realizing the telescopic effect of the telescopic rod can be used here.
Preferably, the multi-section telescopic rod 1 and the measuring rod 2 are connected through a detachable structure, and the proper multi-section telescopic rod 1 or the measuring rod 2 can be replaced according to the actual measured depth.
Preferably, the detachable connection is a threaded connection or a snap connection.
Preferably, the length of the measuring rod 2 is 0.4-1 m, and scales are marked on the measuring rod 2.
Preferably, the multi-section telescopic rod 1 comprises a plurality of telescopic rods connected through a detachable structure, and each telescopic rod has a consistent length.
Preferably, the detachable structure is a bolt-nut structure, a buckle structure or an inserting structure.
Preferably, the length of each section of telescopic rod is inconsistent, and the length is between 0.5 and 1.5 m.
Preferably, a sharp rod is further installed at the tail end of the multi-section measuring rod 1 and is used for being inserted into the depth of the blast hole so as to fix the position of the measuring instrument.
Preferably, a plurality of support frames are arranged on the measuring rod 2, one end of each support frame is hinged with the measuring rod 2, and the movable range of each support frame is 0-90 degrees and used for stabilizing the measuring instrument.
Preferably, the support frame comprises a plurality of short frames, the short frames are detachably connected, the number of the short frames is adjusted according to the diameter of the blast hole, and then the stability of a plurality of measuring instruments of the support frame is realized, and the measuring precision is ensured.
Specifically, the depth of the blast hole is estimated roughly before the blast hole is measured, and a proper multi-section telescopic rod 1 and a proper multi-section measuring rod 2 are selected according to the estimated value;
the selected measuring instrument stretches into the blast hole, so that the lower surface of the measuring rod 2 is parallel to the inner wall of the blast hole, and a supporting frame with proper length is selected to be supported on the inner wall of the blast hole;
then the spring moving block 6 is broken up to move upwards, so that the moving rod 3 is restored to a free moving state, the moving rod 3 is moved according to the actual blast hole position, one end of the moving rod 3 is attached to the outer plane of the blast hole, then the spring moving block 6 is loosened, the clamping block 63 is clamped into the clamping groove 21 under the action of spring restoring force, and the position of the moving rod 3 on the measuring rod 2 is fixed;
at the moment, the depth of the blast hole can be calculated according to the position of the movable rod 3 on the measuring rod 2;
then the rope of the gravity ball 5 sags under the action of the gravity ball 5, and the angle value is read out according to the position of the rope on the angle measuring plate 4, and the angle value is subtracted by 90 degrees, namely the inclination of the blast hole.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a big gun hole measuring apparatu, includes multistage telescopic link, measuring stick, protractor board, multistage telescopic link and measuring stick collineation, its characterized in that: the movable rod is sleeved on the measuring rod, can flexibly move on the measuring rod, is perpendicular to the measuring rod, and is detachably connected with the measuring rod; the angle measuring plate is fixedly connected with the moving rod, the arc surface of the angle measuring plate faces downwards, and the horizontal plane of the angle measuring plate is mutually perpendicular to the moving rod; the gravity ball is hinged on the measuring angle plate.
2. The borehole survey apparatus of claim 1 wherein: the movable rod is provided with a first hole, a second hole is formed vertically below the first hole, a third hole corresponding to the first hole and a fourth hole corresponding to the second hole are formed in the middle vertical line of the angle measuring plate, the first pin sequentially penetrates through the third hole and the first hole, the second pin sequentially penetrates through the fourth hole and the second hole, and further fixed connection of the angle measuring plate and the movable rod is achieved; the gravity ball is sleeved on the first pin shaft through a lantern ring with a rope.
3. The borehole survey apparatus of claim 2, wherein: the movable rod and the measuring rod are detachably connected through a spring movable block, the spring movable block comprises a spring, a movable wrench and a clamping block which are sequentially connected, and the spring movable block is in a cross shape as a whole.
4. A blasthole gauge according to claim 3, wherein: the measuring rod is provided with a plurality of clamping grooves, the moving rod is provided with a through groove, the size of the measuring rod is matched with the through groove, a longitudinal moving space is arranged above the through groove and used for placing a spring moving block, the spring is arranged in the longitudinal moving space and connected with the upper part in the through groove, a moving wrench penetrates out of the through groove, a clamping block can be clamped into the clamping groove of the measuring rod, and the spring is clamped into the clamping groove under the normal length.
5. The borehole survey apparatus of claim 4, wherein: the multi-section telescopic rod comprises a first section of telescopic rod, a second section of telescopic rod and a third section of telescopic rod which are connected through a telescopic structure, the length of each section of telescopic rod is 1-3 m, and the length of each section of telescopic rod is 3-9 m after the multi-section of telescopic rod is completely stretched.
6. The borehole survey apparatus of claim 5, wherein: the multi-section telescopic rod is connected with the measuring rod through a detachable structure.
7. The borehole survey apparatus of claim 4, wherein: the length of the measuring rod is 0.4-1 m, and scales are marked on the measuring rod.
8. A blasthole gauge according to claim 3, wherein: the multi-section telescopic rod comprises a plurality of telescopic rods connected through a detachable structure.
9. The borehole survey apparatus of claim 8 wherein: the length of each telescopic rod is between 0.5 and 1.5 m.
10. The borehole survey apparatus of claim 6 or 8, wherein: the detachable structure is a bolt and nut structure, a buckle structure or an inserting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320316042.0U CN219511441U (en) | 2023-02-27 | 2023-02-27 | Blast hole measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320316042.0U CN219511441U (en) | 2023-02-27 | 2023-02-27 | Blast hole measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219511441U true CN219511441U (en) | 2023-08-11 |
Family
ID=87523816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320316042.0U Active CN219511441U (en) | 2023-02-27 | 2023-02-27 | Blast hole measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219511441U (en) |
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2023
- 2023-02-27 CN CN202320316042.0U patent/CN219511441U/en active Active
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