Energy-gathering tube angle measurement device and angle measurement method

Abstract

A device and method for measuring the angle of an energy-gathering tube include an annular fixing mechanism, one end of which is provided with a fixing plug, a measuring mechanism is inserted in the fixing mechanism, the measuring mechanism and the fixing mechanism are rotatably connected, the measuring mechanism includes a cylindrical first main body, one end of the first main body is inserted in the fixing mechanism, a sensor and a reset assembly are provided on the outer wall of the insertion end of the first main body, the sensor is used to measure the rotation path length of the first main body, the other end of the first main body extends outward from the fixing mechanism, a display unit and an observation window are provided on the extended end of the first main body, the display unit is connected to the sensor, the energy-gathering tube is inserted in the first main body, the sensor can be driven to move by rotating the first main body, and the angle measurement is realized by the cooperation of the sensor and the display unit, the position of the notch of the energy-gathering tube can be adjusted according to the measurement angle, and the measuring device does not need to be removed during the adjustment process, which effectively ensures the uniformity of the measurement benchmark.

Description

Technical Field

[0001] The invention relates to the technical field of measurement engineering, and in particular to an energy-gathering tube angle measurement device and an angle measurement method. Background Art

[0002] The blasting energy-gathering tube, abbreviated as the energy-gathering tube, has V-shaped energy-gathering grooves on both sides. It is a special blasting equipment that can use the energy-gathering effect of the energy-gathering grooves to destroy the surrounding rocks of the mountain. The blasting mechanism is that the explosive energy close to the energy-gathering grooves will converge toward the axial direction to form a high-density, high-speed, and high-pressure gas jet. Therefore, measuring the appropriate energy-gathering tube angle to determine and adjust the energy-gathering groove position plays an important role in improving the effect of the entire blasting process.

[0003] At present, there are many ways to measure the position of the energy focusing groove after the energy focusing tube is installed. One is the direct observation method, which uses the naked eye to directly observe the position of the energy focusing groove; the direct measurement method uses measuring tools (such as angle rulers) to directly measure; the non-contact measurement method uses X-rays, laser ranging, etc. for remote measurement, and obtains the results through image processing and analysis software; the optical error diagnosis method indirectly infers the position of the energy focusing groove by comparing the captured image (such as CCD image) with the theoretical model.

[0004] Among the existing methods for measuring the position of the energy focusing trough, the direct observation method is limited by human vision and the visibility of the energy focusing trough, and the measurement error is large; non-contact measurement and optical error diagnosis require professional equipment and technical support, and the operation is relatively complicated, the cost of use is high, and it is not convenient for field use; and in the direct measurement method, the energy focusing tube cannot be adjusted into place at one time, and multiple measurements and adjustments are required. During this process, the position of the measuring tool is very easy to change, resulting in changes in the measurement reference, which seriously affects the measurement and adjustment accuracy. Summary of the invention

[0005] In order to solve the technical problems in the above-mentioned background technology of the construction site energy focusing groove position measurement method being complicated to operate and having poor measurement accuracy and adjustment accuracy, the present invention provides an energy focusing tube angle measurement device and angle measurement method.

[0006] The technical solution of the present invention is as follows:

[0007] The present invention provides an energy-gathering tube angle measuring device, comprising a fixing mechanism, which is an annular structure. A fixing plug is provided at one end of the fixing mechanism, a measuring mechanism is inserted in the fixing mechanism, and the measuring mechanism is rotatably connected to the fixing mechanism. The measuring mechanism comprises a cylindrical first main body, the interior of the first main body is used to insert the energy-gathering tube, one end of the first main body is inserted in the fixing mechanism, a sensor and a reset assembly are provided on the outer wall of the insertion end of the first main body, the sensor is used to measure the rotation path length of the first main body, the other end of the first main body extends outward from the fixing mechanism, a display unit and an observation window are provided on the extended end of the first main body, the display unit is connected to the sensor, the energy-gathering tube is inserted in the first main body, the sensor can be driven to move by rotating the first main body, and then the angle measurement is realized by the cooperation of the sensor and the display unit, the position of the energy-gathering tube slot can be adjusted according to the measuring angle, and the measuring device does not need to be removed during the adjustment process, thereby effectively ensuring the unification of the measurement benchmark.

[0008] Preferably, the inner diameter of the first body is larger than the outer diameter of the energy focusing tube, thereby avoiding the problem that the measuring mechanism drives the energy focusing tube to rotate during the angle measurement process.

[0009] Preferably, a reset component is respectively provided on both sides of the sensor, and the sensor and the reset component are both located inside the fixing mechanism. A spring groove and a sensor slide groove corresponding to the reset component and the sensor are provided on the inner wall of the fixing mechanism. The reset component includes a spring, one end of the spring is fixedly connected to the outer wall of the first body, and the other end of the spring is fixedly connected to a sliding block. The spring extends along the circumferential direction of the first body. The cooperation between the reset component and the spring groove, and the cooperation between the sensor and the sensor slide groove can be utilized to limit the axial movement of the measuring mechanism, thereby ensuring the measurement accuracy, and at the same time enabling the reset component to play the role of automatically resetting the measuring mechanism.

[0010] Preferably, the fixed ends of the two reset components are symmetrically arranged with the sensor as the center, and the sliding blocks on the two reset components are on the same straight line with the sensor and the observation window, so as to ensure the uniformity of the measurement reference.

[0011] Preferably, an indicator needle is fixedly provided at one end of the fixing mechanism close to the measuring mechanism, and the indicator needle is in the same straight line as the observation window, so as to facilitate the positioning of the observation window during installation and use.

[0012] Preferably, two fixed plugs are provided, the two fixed plugs are in the same straight line, the fixed plugs include two supports fixedly arranged on the fixing mechanism, a wedge block is rotatably provided between the two supports, and the fixed blocks can be used to fix the measuring device as a whole to the rock and soil.

[0013] Preferably, the upper corner of the wedge block is a right angle, and the lower corner and the top corner of the wedge block are rounded, so that the fixed plug can only move 1 / 4 of a circle. The rounded corners can prevent the fixed plug from scratching the main body of the fixing mechanism.

[0014] The present invention provides an angle measurement method, which is as follows:

[0015] S1: insert the energy-gathering tube to be tested into the blasting hole, and reserve a portion to extend out of the blasting hole;

[0016] S2: insert the extended portion of the energy-gathering tube to be measured into the measuring mechanism, so that the end of the energy-gathering tube is aligned with the extended end of the first body or extends out of the first body, so as to adjust the indicator needle of the measuring device to a horizontal state, and fix the measuring device on the rock and soil by means of a fixed plug block;

[0017] S3: Rotate the measuring mechanism until the notch of the energy-gathering tube coincides with the observation window, record the rotation angle displayed by the display unit, and release the measuring mechanism to reset it;

[0018] S4: Calculate the angle that the energy-gathering tube needs to rotate, and rotate the energy-gathering tube according to the calculated angle;

[0019] S5: After the energy-gathering tube has completed its rotation, continue to measure the actual position of the notch of the energy-gathering tube. When it meets the design requirements, remove the measuring device; when it does not meet the requirements, repeat S3-S4 until it meets the design requirements.

[0020] It can be seen from the above technical solutions that the advantages of the present invention are:

[0021] The fixing mechanism can fix the measuring device as a whole to a specified position, and the energy focusing tube is inserted in the first main body. The sensor can be driven to move by rotating the first main body, and then the angle measurement and display can be realized through the cooperation of the sensor and the display unit. The position of the energy focusing tube notch can be determined according to the measuring angle, and the position of the energy focusing tube notch can be adjusted with reference to the measuring angle. The adjustment process of the energy focusing tube notch can be carried out in the measuring device, and the measuring device does not need to be moved or dismantled, thereby ensuring the unification of the measurement reference and effectively ensuring the adjustment accuracy of the energy focusing tube notch. The measuring device has a simple overall structure, is easy to carry, and is simple to operate and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the present invention, the accompanying drawings required for use in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0023] Figure 1 is a schematic diagram of the overall structure of a measuring device according to one or more embodiments of the present invention;

[0024] Figure 2 A schematic diagram of a measuring device in use according to one or more embodiments of the present invention;

[0025] Figure 3 A schematic diagram of the structure of a measuring mechanism according to one or more embodiments of the present invention;

[0026] Figure 4 is a schematic structural diagram of a fixing mechanism according to one or more embodiments of the present invention;

[0027] Figure 5 is a schematic cross-sectional structure diagram of a measuring device according to one or more embodiments of the present invention;

[0028] Figure 6 for Figure 5 A schematic diagram of a local enlarged structure at the position of structure A shown;

[0029] Figure 7 for Figure 5 A schematic diagram of a local enlarged structure at the position of structure B shown;

[0030] Figure 8 is a schematic structural diagram of a fixed plug block according to one or more embodiments of the present invention;

[0031] The components represented by the reference numerals in the figure are:

[0032] 1. Measuring mechanism; 101. Display unit; 102. Observation window; 103. Sensor; 104. Sliding block; 105. Spring; 106. Round head screw; 107. Gasket; 2. Fixing mechanism; 201. Spring slot; 202. Sensor slide slot; 203. Anti-slip protrusion; 204. Fixing block; 2041. Support; 2042. Pin; 2043. Wedge block; 205. Indicator needle; 3. Energy-gathering tube. DETAILED DESCRIPTION

[0033] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical scheme of the present invention will be clearly and completely described below in conjunction with the drawings in this specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0034] Example 1

[0035] In a typical embodiment of the present invention, Figure 1-Figure 8 As shown, a device for measuring the angle of an energy-gathering tube is proposed, comprising: a measuring mechanism 1 and a fixing mechanism 2, one end of the measuring mechanism 1 is inserted into the fixing mechanism 2, and the measuring mechanism 1 and the fixing mechanism 2 are rotatably connected.

[0036] like Figure 3 As shown, the measuring mechanism 1 includes a cylindrical first body with openings at both ends. A display unit 101 is fixedly mounted on the outer wall of the first body, and an observation window 102 penetrating the side wall is provided on the first body. The display unit 101 and the observation window 102 are arranged opposite to each other at one end of the first body. The display unit 101 and the observation window 102 are located at an end of the first body away from the fixing mechanism 2 (i.e., the protruding end of the first body), and the display unit 101 and the observation window 102 are located outside the fixing mechanism 2.

[0037] like Figure 2 As shown, the inner diameter of the first body is larger than the outer diameter of the energy-gathering tube 3 , so that the energy-gathering tube 3 is conveniently inserted into the interior of the first body.

[0038] A sensor 103 is fixedly provided on the outer wall of the other end of the first body (i.e., the end of the first body inserted into the fixing mechanism 2, which can also be understood as the insertion end of the first body). Reset components are provided on both sides of the sensor 103. The reset components are installed on the outer wall of the first body. The sensor 103 and the reset components are both located inside the fixing mechanism 2. The sensor 103 is used to detect the rotation path length of the measuring mechanism 1. The sensor 103 is connected to the display unit 101. The sensor 103 can transmit the measurement result to the display unit 101. The display unit 101 includes a display screen and a computing center. After receiving the measurement result of the sensor 103, the computing center can calculate the rotation angle through the moving path distance.

[0039] In this embodiment, the sensor 103 is a roller-type meter-meter length measuring sensor. The sensor 103 is rotatably set on the first body. The sensor 103 is in direct contact with the inner wall of the fixing mechanism 2 through the roller, and the length (i.e., arc length) is measured by the rotation of the roller. The radian refers to the ratio of the arc length to the radius in a circle, that is, radian = arc length ÷ radius. Specifically, let the radian be α, the arc length be L, and the radius be r, then α = L ÷ r. Therefore, under the premise of a fixed radius, the radian can be calculated by the arc length; in addition, since the angle of a circle is 360°, and the corresponding radian is 2π, the formula for converting the radian α to the angle θ (in degrees) is θ = (α × 180) ÷ π, and the rotation angle of the measuring mechanism 1 can be obtained.

[0040] It is understandable that in other embodiments, the sensor 103 may also be other types of displacement sensors for measuring moving distance, and no further limitations are given here.

[0041] The reset assembly includes a sliding block 104 and a spring 105. One end of the spring 105 is fixedly connected to the outer wall of the first body through a round head screw 106 and a gasket 107. The other end of the spring 105 is fixedly connected to the sliding block 104 through a round head screw 106 and a gasket 107. The spring 105 extends along the circumferential direction of the outer wall of the first body.

[0042] It is understandable that in order to facilitate the fixed connection between the spring 105 and the first body, a protrusion for connection can be set on the outer wall of the first body. In addition, the spring 105 and the first body can also be fixedly connected by welding or the like. No excessive restrictions are made here for the details.

[0043] The fixed ends of the two reset components (i.e., the ends of the spring 105 fixed to the first body) are symmetrically arranged with the sensor 103 as the center, and the sliding blocks 104 of the two reset components are on the same straight line, so that the compression directions of the two springs 105 are opposite, and the sliding blocks 104, the sensor 103 and the observation window 102 on the two reset components are on the same straight line.

[0044] like Figure 4 As shown, the fixing mechanism 2 includes an annular second body, and a plurality of anti-slip protrusions 203 are fixedly provided on the outer wall of the second body along its circumferential intervals to play an anti-slip role; three grooves are provided on the inner wall of the second body along its axial intervals, specifically a sensor groove 202 and two spring grooves 201, and the sensor groove 202 and the spring groove 201 both extend along the circumferential direction of the second body, and the spring grooves 201 are distributed on both sides of the sensor groove 202.

[0045] Among them, one end of the two spring grooves 201 is on the same straight line, and the other end is symmetrically arranged with respect to the center of the second main body, so as to correspond to the arrangement of the two reset components on the outer wall of the first main body. When one end of the measuring mechanism 1 equipped with the sensor 103 is inserted into the second main body, the two reset components are placed in the corresponding spring groove 201, and the sensor 103 is also placed in the corresponding sensor slide groove 202 to play a guiding role.

[0046] An indicator needle 205 is fixedly provided at one end of the second body close to the measuring mechanism 1. The indicator needle 205 extends radially along the second body. The indicator needle 205 is in the same straight line with the colinear ends of the two spring grooves 201 (that is, the ends of the two spring grooves 201 that are on the same straight line), and further in the same straight line with the observation window 102; a fixed plug 204 is rotatably provided at the other end of the second body, and two fixed plugs 204 are provided, and the two fixed plugs 204 are in the same straight line.

[0047] like Figure 8As shown, the fixed plug block 204 includes two supports 2041, a pin shaft 2042 and a wedge block 2043, wherein the support 2041 is fixedly arranged at the end of the second body by welding or the like, and the wedge block 2043 is rotatably arranged on the support 2041 by the pin shaft 2042.

[0048] Among them, the upper corner of the wedge block 2043 is a right angle, and the lower corner and the top corner of the wedge block 2043 are rounded, so that the fixed plug block 204 can only make a 1 / 4 circle movement. When starting to use, the fixed plug block 204 can be rotated upward to be in a horizontal state. After use, the fixed plug block 204 can be rotated downward to be in a vertical state. The rounded corners can prevent the fixed plug block 204 from causing scratches to the second body.

[0049] Example 2

[0050] In another typical embodiment of the present invention, an angle measurement method is proposed, using the measuring device mentioned in Example 1, as follows:

[0051] S1: insert the energy-gathering tube to be tested into the blasting hole, and reserve a portion to extend out of the blasting hole;

[0052] S2: Assemble the measuring device, and insert a portion of the energy-gathering tube to be measured into the first body of the measuring mechanism 1, so that the end of the energy-gathering tube is aligned with the end of the first body away from the fixing mechanism 2 (i.e., the protruding end of the first body) or protrudes from the first body, and then rotate the measuring device as a whole to adjust the indicator needle 205 of the measuring device to a horizontal state as a 0° reference, rotate and unfold the fixed plug block 204, and insert and fix the measuring device on the rock and soil through the fixed plug block 204;

[0053] S3: Rotate the measuring mechanism 1, and check the position of the notch of the energy-gathering tube to be measured through the observation window 102. When the notch of the energy-gathering tube coincides with the observation window 102, stay for 2-3 seconds until the display unit 101 displays the rotation angle and records it, and then release the measuring mechanism 1 to reset it under the action of the spring 105;

[0054] S4: according to the position of the notch of the energy-gathering tube in the blasting hole as required by the design, the angle at which the energy-gathering tube needs to be rotated is calculated, and the energy-gathering tube is rotated according to the calculated angle, and the measuring device is not removed during the rotation process, so that the energy-gathering tube rotates in the measuring device;

[0055] S5: When the energy-gathering tube is rotated, continue to measure the actual position of the notch of the energy-gathering tube according to the process of S3. When it meets the design requirements, remove the measuring device and recycle it. When the actual position of the notch of the energy-gathering tube does not meet the requirements, repeat S3-S4 until it meets the design requirements.

[0056] The adjustment process of the energy-gathering tube notch can be carried out in the measuring device, the measuring device does not need to be moved, and the measuring reference remains unchanged, which effectively ensures the adjustment accuracy of the energy-gathering tube notch. The measuring device has a simple overall structure, is easy to carry, and is simple to operate and easy to use.

[0057] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for measuring the angle of an energy-gathering tube, comprising: The fixing mechanism (2) is characterized in that the fixing mechanism (2) is an annular structure, a fixing plug (204) is provided at one end of the fixing mechanism (2), a measuring mechanism (1) is inserted into the fixing mechanism (2), the measuring mechanism (1) and the fixing mechanism (2) are rotatably connected, the measuring mechanism (1) comprises a cylindrical first main body, the interior of the first main body is used to insert the energy-gathering tube (3), one end of the first main body is inserted into the fixing mechanism (2), a sensor (103) and a reset assembly are provided on the outer wall of the insertion end of the first main body, the sensor (103) is used to measure the rotation path length of the first main body, the other end of the first main body protrudes outward from the fixing mechanism (2), a display unit (101) and an observation window (102) are provided on the protruding end of the first main body, the display unit (101) is connected to the sensor (103), and the display The unit (101) comprises a display screen and a computing center. A reset component is respectively provided on both sides of the sensor (103). The sensor (103) and the reset component are both located inside the fixing mechanism (2). A spring groove (201) and a sensor slide groove (202) corresponding to the reset component and the sensor (103) are provided on the inner wall of the fixing mechanism (2). The reset component comprises a spring (105). One end of the spring (105) is fixedly connected to the outer wall of the first body. The other end of the spring (105) is fixedly connected to a sliding block (104). The spring (105) extends along the circumferential direction of the first body. The fixed ends of the two reset components are symmetrically arranged with the sensor (103) as the center. The sliding blocks (104) on the two reset components are on the same straight line as the sensor (103) and the observation window (102). The angle measurement method of the energy-gathering tube is as follows: S1: inserting the energy-gathering tube (3) to be tested into the blasting hole, leaving a portion extending out of the blasting hole; S2: inserting the extended portion of the energy-gathering tube (3) to be measured into the measuring mechanism (1), so that the end of the energy-gathering tube (3) is aligned with the extended end of the first body or extends out of the first body, so as to adjust the indicating needle (205) of the measuring device to a horizontal state, and inserting and fixing the measuring device on the rock and soil by means of a fixing plug block (204); S3: rotating the measuring mechanism (1) until the notch of the energy-gathering tube coincides with the observation window (102), recording the rotation angle displayed by the display unit (101), and releasing the measuring mechanism (1) to reset it; S4: calculating the angle at which the energy-gathering tube (3) needs to rotate, and rotating the energy-gathering tube (3) according to the calculated angle; S5: When the energy-gathering tube (3) has completed its rotation, continue to measure the actual position of the notch of the energy-gathering tube. When it meets the design requirements, remove the measuring device; when it does not meet the requirements, repeat S3-S4 until it meets the design requirements.

2. The energy-concentrating tube angle measuring device according to claim 1, characterized in that: The inner diameter of the first body is greater than the outer diameter of the energy-gathering tube (3).

3. The energy-concentrating tube angle measuring device according to claim 1, characterized in that: An indicator needle (205) is fixedly provided at one end of the fixing mechanism (2) close to the measuring mechanism (1), and the indicator needle (205) and the observation window (102) are located on the same straight line.

4. The energy-concentrating tube angle measuring device according to claim 1, characterized in that: Two fixed plug blocks (204) are provided, and the two fixed plug blocks (204) are located on the same straight line. The fixed plug blocks (204) include two supports (2041) fixedly arranged on the fixing mechanism (2), and a wedge block (2043) is rotatably arranged between the two supports (2041).

5. The energy-concentrating tube angle measuring device according to claim 4, characterized in that: The upper corner of the wedge block (2043) is a right angle, and the lower corner and the top corner of the wedge block (2043) are rounded.

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