CN108643266B - Double round mills sounding device - Google Patents
Double round mills sounding device Download PDFInfo
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- CN108643266B CN108643266B CN201810486954.6A CN201810486954A CN108643266B CN 108643266 B CN108643266 B CN 108643266B CN 201810486954 A CN201810486954 A CN 201810486954A CN 108643266 B CN108643266 B CN 108643266B
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- tool rest
- depth
- mud
- distance
- slurry
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- 239000002002 slurry Substances 0.000 claims abstract description 33
- 238000003801 milling Methods 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000000691 measurement method Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 241000272814 Anser sp. Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
- E02F5/145—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids control and indicating devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/261—Surveying the work-site to be treated
- E02F9/262—Surveying the work-site to be treated with follow-up actions to control the work tool, e.g. controller
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/264—Sensors and their calibration for indicating the position of the work tool
- E02F9/265—Sensors and their calibration for indicating the position of the work tool with follow-up actions (e.g. control signals sent to actuate the work tool)
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a double-wheel milling depth measurement device which comprises an electric cabinet and a plurality of mud pressure sensors positioned at different height positions of a tool rest, wherein the depth of the tool rest in mud is measured in a combined mode by the mud pressure sensors; the electric cabinet is arranged on the upper part of the tool rest, and a photoelectric switch is arranged in the electric cabinet; the electric cabinet is provided with a transparent observation hole, and when the photoelectric switch is switched on, the electric cabinet can detect a shading object outside the box body through the observation hole to perform depth compensation on sounding. The depth of the milled groove can be effectively and accurately measured through the two slurry pressure sensors, the photoelectric switch and the electric cabinet provided with the photoelectric switch. The depth is measured in a pressure mode, the depth is measured in a photoelectric compensation mode, and high-precision measurement is achieved at low cost.
Description
Technical Field
The invention relates to the field of depth measuring equipment of underwater operation equipment, in particular to a double-wheel milling depth measuring device.
Background
The double-wheel slot milling machine is underground construction equipment and mainly performs large-depth slot digging work by crushing rock strata or soil layers through a cutter rest. The tool holder needs to accurately display the milling depth of the tool holder during the milling process. The tool rest is connected with the main machine through a steel wire rope and a winch wound on the steel wire rope. In the operation process, the host machine controls the winding to rotate, so that the tool rest is controlled to mill downwards.
At present, manufacturers at home and abroad measure the lowering depth of the tool rest by measuring the number of turns of the steel wire rope winch or the goose head pulley rotation through a sensor. At present, depth measurement is realized by measuring the length of a steel wire rope. And measuring the number of turns of rotation by a sensor arranged on a winch or a goose head pulley to calculate the lowering length of the steel wire rope, thereby determining the milling depth of the tool rest.
The prior art has the following disadvantages: the double-wheel milling, particularly the ultra-high deep double-wheel milling, adopts multilayer steel wire rope winding, so that the layer changing condition exists, errors can occur when the number of turns and the number of layers are calculated, and the precision requirement cannot be met. The other measurement method is to add a proximity switch and a code disc on a goose head pulley for measurement, is limited by the precision of the proximity switch, has lower resolution and can not meet the precision requirement.
Disclosure of Invention
The purpose is as follows: in order to overcome the defects in the prior art, the invention provides a double-wheel milling depth measuring device.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a depth measurement device is milled to double round which characterized in that: the device comprises an electric cabinet and a plurality of slurry pressure sensors which are positioned at different height positions of a tool rest, wherein the depth of the tool rest in slurry is measured in a combined mode by the plurality of slurry pressure sensors; the electric cabinet is arranged on the upper part of the tool rest, and a photoelectric switch is arranged in the electric cabinet; the electric cabinet is provided with a transparent observation hole, and when the photoelectric switch is switched on, the electric cabinet can detect a shading object outside the cabinet through the observation hole to perform depth compensation on sounding.
As preferred scheme, the double round mills sounding device, its characterized in that: the device comprises two mud pressure sensors, namely a mud pressure sensor I and a mud pressure sensor II, wherein the mud pressure sensor I is arranged at a first height position of a tool rest, and the mud pressure sensor II is arranged at a second height position of the tool rest.
The double-wheel milling depth measurement method is adopted, the relative distance between two mud pressure sensors is known, and the depth of the water level where the mud pressure sensors are located is calculated through pressure values, so that the depth of a tool rest immersed in mud is calculated; the photoelectric switch is arranged in the electric control box on the tool rest, and the surface plane is detected through the transparent observation hole, so that the distance between the slurry surface and the ground plane and the sum of the depth of the slurry where the tool rest is located and the distance between the slurry surface and the ground plane are calculated, and the accurate distance between the tool rest and the surface plane can be calculated.
Further, the method specifically comprises the following steps:
1) the overall length L of the tool rest, the distance between the detection position of the first mud pressure sensor and the bottommost part of the tool rest is L2, the distance between the detection position of the second mud pressure sensor and the detection position of the first mud pressure sensor is L4, the distance between the first mud pressure sensor and the bottommost part of the tool rest is L1, and the distance between the photoelectric switch and the bottommost part of the tool rest is L3;
2) when the cutter rest is not completely immersed into the milling groove, the distance between the second mud pressure sensor and the mud liquid level is L5; when the tool rest is placed at the contact position of the photoelectric switch of the upper electric cabinet and the ground surface, the photoelectric switch is triggered to be away from the slurry liquid level by L6 to obtain the depth of the bottom of the tool rest from the ground surface by L7, and at the moment, the distance between the ground surface and the slurry liquid level is calculated to be L6= L7-L1-L2;
the mud in the milling groove is always in a circulating state, and the density of the mud is rho; at this time, the pressure of the first mud pressure sensor is P1, the pressure of the second mud pressure sensor is P2, the pressure between two points P1 and P2 is known according to the pressure calculation formula P = ρ gh, the distance between the two points and the liquid level are h1 and h2 respectively, P1-P2= ρ gh1- ρ gh2 is obtained, and ρ g = (h 1-h 2)/(P1-P2) is obtained, therefore
h1=P1×（P1-P2）/（h1-h2）
The depth of the bottommost part of the tool holder from the surface of the slurry, hc = L1+ L5, is obtained according to the formula, and the milling groove depth h = P1 × (P1-P2)/L4 + + L7-L2 is presumed.
Has the advantages that: the double-wheel milling depth measuring device provided by the invention is composed of two slurry pressure sensors arranged on a tool rest and a photoelectric liquid level switch arranged in a tool rest control box. The relative distance between the two mud pressure sensors is known, and the water level depth of the pressure sensors can be calculated through pressure values, so that the depth of the tool rest immersed in mud is calculated. The photoelectric switch is arranged in the electric control box on the tool rest, and the earth surface plane is detected through the transparent observation hole, so that the distance between the slurry surface and the ground plane is calculated, and the accurate distance between the tool rest and the earth surface can be calculated by the sum of the depth of the slurry in which the tool rest is positioned and the distance between the slurry surface and the ground plane. The depth of the milled groove can be effectively and accurately measured through the two slurry pressure sensors, the photoelectric switch and the electric cabinet provided with the photoelectric switch. The depth is measured in a pressure mode, the depth is measured in a photoelectric compensation mode, and high-precision measurement is achieved at low cost.
Drawings
FIG. 1 is a diagram of the mounting positions of a tool rest electric cabinet and a sensor;
FIG. 2 is a schematic distance diagram during a tool holder slot milling operation;
FIG. 3 is a schematic view of the upper control box view port and sensor installation;
in the figure: the device comprises an electric cabinet 1, a photoelectric switch 2, a first slurry pressure sensor 3 and a second slurry pressure sensor 4.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 and 2, the double-wheel milling depth measuring device comprises a first mud pressure sensor 3 arranged at a tool rest position II, a second mud pressure sensor 4 arranged at a tool rest position III, an electric cabinet 1 arranged at the upper part of the tool rest, and a photoelectric switch 2 arranged at a position I inside the electric cabinet.
As shown in figure 3, the electric cabinet 1 is provided with a transparent observation hole, and the photoelectric switch 2 can be used for detecting a shading object outside the cabinet through the observation hole.
As shown in figure 1, the total length L of the tool rest, the distance between the detection position of the first mud pressure sensor 3 and the bottommost part of the tool rest is L2, the distance between the detection position of the second mud pressure sensor 4 and the detection position of the first mud pressure sensor 3 is L4, the distance between the first mud pressure sensor 3 and the bottommost part of the tool rest is L1, and the distance between the photoelectric switch and the bottommost part of the tool rest is L3.
As shown in fig. 2, when the tool holder is not completely submerged in the milling flutes, the second mud pressure sensor 4 is located at a mud level L5. When the tool rest is put down to the contact position of the photoelectric switch of the upper electric cabinet and the ground surface, the photoelectric switch 2 is triggered to be away from the slurry liquid level height L6 to obtain the depth L7 of the bottom of the tool rest from the ground surface, and the distance L6= L7-L1-L2 from the ground surface to the slurry liquid level is calculated at the moment
The slurry in the milling groove is always in a circulating state, and the density rho is considered to be the same under the condition that the water layer is relatively not large. According to a pressure calculation formula P = rho gh, knowing pressures P1 and P2 between two points, the distances between the two points and the liquid level are h1 and h2 respectively, P1-P2= rho gh 1-rho gh2 is obtained, and rho g = (h 1-h 2)/(P1-P2) is obtained, so that the pressure calculation formula P = rho gh has the advantages of high accuracy, low cost and high accuracy
h1=P1×（P1-P2）/（h1-h2）
The depth of the bottommost part of the tool holder from the surface of the slurry, hc = L1+ L5, is obtained according to the formula, and the milling groove depth h = P1 × (P1-P2)/L4 + + L7-L2 is presumed.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (6)
1. The utility model provides a depth measurement device is milled to double round which characterized in that: the device comprises an electric cabinet and a plurality of slurry pressure sensors which are positioned at different height positions of a tool rest, wherein the depth of the tool rest in slurry is measured in a combined mode by the plurality of slurry pressure sensors; the electric cabinet is arranged on the upper part of the tool rest, and a photoelectric switch is arranged in the electric cabinet; the electric cabinet is provided with a transparent observation hole, and a shading object outside the cabinet is detected through the observation hole when the photoelectric switch is switched on, so that depth compensation is performed on sounding;
the device comprises two mud pressure sensors; the relative distance between the two mud pressure sensors is known, and the depth of the water level where the mud pressure sensors are located is calculated through the pressure value, so that the depth of the tool rest immersed in the mud is calculated; the photoelectric switch is arranged in the electric control box on the tool rest, and the surface plane is detected through the transparent observation hole, so that the distance between the slurry surface and the ground plane and the sum of the depth of the slurry where the tool rest is located and the distance between the slurry surface and the ground plane are calculated, and the accurate distance between the tool rest and the surface plane can be calculated.
2. The double round milling depth measurement device of claim 1, wherein: and the two mud pressure sensors are respectively a mud pressure sensor I and a mud pressure sensor II.
3. The double round milling depth measurement device of claim 2, wherein: the first mud pressure sensor is arranged at the first height position of the tool rest.
4. The double round milling depth measurement device of claim 2, wherein: and the second mud pressure sensor is arranged at the second height position of the tool rest.
5. A double-wheel milling depth measurement method is characterized in that: the double-wheel milling depth measurement device of claim 1 is adopted, the relative distance between the two mud pressure sensors is known, and the depth of the water level where the mud pressure sensors are located is calculated through the pressure values, so that the depth of the tool rest immersed in mud is calculated; the photoelectric switch is arranged in the electric control box on the tool rest, and the surface plane is detected through the transparent observation hole, so that the distance between the slurry surface and the ground plane and the sum of the depth of the slurry where the tool rest is located and the distance between the slurry surface and the ground plane are calculated, and the accurate distance between the tool rest and the surface plane can be calculated.
6. The double round milling depth measurement method according to claim 5, comprising the following steps:
1) the overall length L of the tool rest, the distance between the detection position of the first mud pressure sensor and the bottommost part of the tool rest is L2, the distance between the detection position of the second mud pressure sensor and the detection position of the first mud pressure sensor is L4, the distance between the first mud pressure sensor and the bottommost part of the tool rest is L1, and the distance between the photoelectric switch and the bottommost part of the tool rest is L3;
2) when the cutter rest is not completely immersed into the milling groove, the distance between the second mud pressure sensor and the mud liquid level is L5; when the tool rest is placed at the contact position of the photoelectric switch of the upper electric cabinet and the ground surface, the photoelectric switch is triggered to be away from the slurry liquid level by L6 to obtain the depth of the bottom of the tool rest from the ground surface by L7, and at the moment, the distance between the ground surface and the slurry liquid level is calculated to be L6= L7-L1-L2;
the mud in the milling groove is always in a circulating state, and the density of the mud is rho; at this time, the pressure of the first mud pressure sensor is P1, the pressure of the second mud pressure sensor is P2, the pressure between two points P1 and P2 is known according to the pressure calculation formula P = ρ gh, the distance between the two points and the liquid level are h1 and h2 respectively, P1-P2= ρ gh1- ρ gh2 is obtained, and ρ g = (h 1-h 2)/(P1-P2) is obtained, therefore
h1=P1×（P1-P2）/（h1-h2）
The depth of the bottommost part of the tool rest from the surface of the slurry is h = L1+ L5 according to the formula, and the milling groove depth h = P1 x (P1-P2)/L4 + L7-L2 is presumed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486954.6A CN108643266B (en) | 2018-05-21 | 2018-05-21 | Double round mills sounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486954.6A CN108643266B (en) | 2018-05-21 | 2018-05-21 | Double round mills sounding device |
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| Publication Number | Publication Date |
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| CN108643266A CN108643266A (en) | 2018-10-12 |
| CN108643266B true CN108643266B (en) | 2021-07-30 |
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| CN113311884A (en) * | 2021-05-31 | 2021-08-27 | 江苏徐工工程机械研究院有限公司 | Active pressure compensation device and method and double-wheel slot milling machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486392A (en) * | 2010-12-01 | 2012-06-06 | 乌兰察布新奥气化采煤技术有限公司 | Water level monitoring device and water level monitoring method |
| CN103603402A (en) * | 2013-12-03 | 2014-02-26 | 徐工集团工程机械股份有限公司 | Sounding device and method for grooving construction of double-wheel slot milling machine |
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| JP3976195B2 (en) * | 2002-05-31 | 2007-09-12 | 川崎重工業株式会社 | Small-diameter pipe propulsion method with one muddy water method |
| CN101285818B (en) * | 2008-05-22 | 2011-04-06 | 中国农业大学 | Device for measuring soil profile parameter |
| CN201804344U (en) * | 2010-09-29 | 2011-04-20 | 水利部长江勘测技术研究所 | High-precision engineering logging depth counting system |
| CN102839934A (en) * | 2012-08-08 | 2012-12-26 | 无锡市钻通工程机械有限公司 | Mud mixing system with performance parameter intelligent detecting function and detecting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486392A (en) * | 2010-12-01 | 2012-06-06 | 乌兰察布新奥气化采煤技术有限公司 | Water level monitoring device and water level monitoring method |
| CN103603402A (en) * | 2013-12-03 | 2014-02-26 | 徐工集团工程机械股份有限公司 | Sounding device and method for grooving construction of double-wheel slot milling machine |
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Effective date of registration: 20220719 Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 26 Jinshan Road, Jinshan Bridge Economic Development Zone, Xuzhou, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |