CN114382462B - Rotation measurement test device and rotation measurement test method - Google Patents
Rotation measurement test device and rotation measurement test method Download PDFInfo
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- CN114382462B CN114382462B CN202011129914.XA CN202011129914A CN114382462B CN 114382462 B CN114382462 B CN 114382462B CN 202011129914 A CN202011129914 A CN 202011129914A CN 114382462 B CN114382462 B CN 114382462B
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- 238000005259 measurement Methods 0.000 title claims abstract description 91
- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 238000010998 test method Methods 0.000 title abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000005553 drilling Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 230000033001 locomotion Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a rotation measurement test device and a rotation measurement test method, wherein the rotation measurement test device comprises: the device comprises a fixing frame, a supporting plate, a supporting rotating shaft, a locking disc, a locking device, a rotating shaft and a rotating driving mechanism, wherein the rotating shaft is used for bearing a rotating measurement unit, and the rotating measurement unit can be sleeved and fixed outside the rotating shaft; the rotary shaft is arranged on the supporting plate, and the rotary driving mechanism is connected with the rotary shaft and is used for driving the rotary shaft to rotate; the supporting plate is arranged on the fixed frame through the supporting rotating shaft, the locking disc is arranged on the supporting rotating shaft, and the locking disc can drive the supporting plate to rotate relative to the fixed frame through the supporting rotating shaft so as to adjust the size of an included angle between the rotating shaft and the ground horizontal line; the locking device is capable of locking the locking disc. According to the invention, the technical problem of high difficulty in simulating the actual working condition in the drilling process in the test of the rotary measuring unit is solved.
Description
Technical Field
The invention relates to the technical field of oil gas development equipment, in particular to a rotation measurement test device and a rotation measurement test method.
Background
After the oil field enters the later development period, directional drilling technology can be adopted to improve the exploitation efficiency. In the traditional drilling process, in order to obtain a better and more accurate drilling track, a measuring unit is used for testing the well track in the drilling stopping process, after the testing is completed, the drilling is started again, and the working time is prolonged in the working mode, so that the working efficiency is difficult to improve.
Rotation measurement drilling technology is one of the directional drilling technologies. By applying the rotation measurement drilling technology, the rotation measurement unit is used for measuring the borehole track under the rotation condition of the drill string, so that the drilling work efficiency can be improved. A complete rotary measurement drilling control system has been formed.
In the drilling process, the rotation measuring unit needs to do axial rotation movement under different well deviation conditions when working, and meanwhile, data obtained by measurement are transmitted to the storage unit in real time for data processing. In order to ensure the measurement accuracy of the rotary measurement unit, the rotary measurement unit needs to be tested, and at present, the simulation difficulty of the actual working condition of the rotary measurement unit in the drilling process is high.
Disclosure of Invention
The invention aims to provide a rotation measurement test device and a rotation measurement test method, which are used for solving the technical problem that the difficulty in simulating the actual working condition in the drilling process is high in the test of a rotation measurement unit.
The above object of the present invention can be achieved by the following technical solutions:
The invention provides a rotation measurement test device, which is used for testing a rotation measurement unit and comprises the following components: the device comprises a fixing frame, a supporting plate, a supporting rotating shaft, a locking disc, a locking device, a rotating shaft and a rotating driving mechanism, wherein the rotating shaft is used for bearing a rotating measurement unit, and the rotating measurement unit can be sleeved and fixed outside the rotating shaft; the rotary shaft is arranged on the supporting plate, and the rotary driving mechanism is connected with the rotary shaft and is used for driving the rotary shaft to rotate; the supporting plate is arranged on the fixed frame through the supporting rotating shaft, the locking disc is arranged on the supporting rotating shaft, and the locking disc can drive the supporting plate to rotate relative to the fixed frame through the supporting rotating shaft so as to adjust the size of an included angle between the rotating shaft and the ground horizontal line; the locking device can lock the locking disc.
In a preferred embodiment, the rotation measurement test device comprises an index plate, a locking shaft and a locking block, wherein the index plate is installed on the supporting rotating shaft, and the index plate can drive the supporting plate to rotate relative to the fixing frame through the supporting rotating shaft; the dividing disc is provided with a plurality of dividing holes which are distributed around the circumference of the supporting rotating shaft; the locking block is fixedly connected to the fixing frame, the locking shaft is in threaded connection with the locking block, the locking shaft can extend into the indexing hole, and the locking shaft can swing around the supporting rotating shaft in the indexing hole to limit the rotation angle range of the indexing disc.
In a preferred embodiment, the support shaft includes an index plate shaft and a locking plate shaft coaxially disposed, the index plate shaft and the locking plate shaft are disposed on two sides of the support plate, respectively, the index plate is mounted on the index plate shaft, and the locking plate is mounted on the locking plate shaft.
In a preferred embodiment, the locking device comprises a first movable block, a second movable block and a locking driving mechanism, wherein the first movable block and the second movable block are respectively arranged on two sides of the locking disc, and the locking driving mechanism can drive the first movable block and the second movable block to be relatively close to each other so as to clamp the locking disc.
In a preferred embodiment, the rotation measurement test apparatus comprises a spindle, a spindle support and a spindle bearing, the spindle being mounted to the support plate by the spindle support; the rotary shaft is a hollow shaft, the rotary shaft is sleeved outside the mandrel, and two ends of the rotary shaft are respectively arranged on the mandrel through mandrel bearings.
In a preferred embodiment, the rotation measurement test device comprises a slip ring and a slip ring fixing frame, wherein the slip ring comprises a slip ring inner ring and a slip ring outer ring coaxially sleeved outside the slip ring inner ring, the slip ring outer ring is connected with the slip ring inner ring in an electrically conductive manner, and the slip ring inner ring can rotate relative to the slip ring outer ring; the outer ring of the slip ring is fixed on the slip ring fixing frame, and the inner ring of the slip ring is connected with the rotating shaft.
In a preferred embodiment, the rotation measurement test device comprises a slip ring shaft sleeve, wherein the slip ring shaft sleeve is sleeved outside the mandrel, a first end of the slip ring shaft sleeve is connected with the rotating shaft, and the rotation driving mechanism is connected with a second end of the slip ring shaft sleeve; the slip ring inner ring is fixedly sleeved outside the slip ring shaft sleeve.
In a preferred embodiment, the rotary driving mechanism comprises a first belt wheel, a second belt wheel, a synchronous belt and a driving motor, wherein the first belt wheel is installed on the slip ring shaft sleeve, the second belt wheel is connected with the first belt wheel through the synchronous belt, and the driving motor is connected with the second belt wheel.
In a preferred embodiment, the rotation measurement test device comprises a rotation shaft sleeve fixedly sleeved at the end part of the rotation shaft, and a first end of the slip ring shaft sleeve is connected with the rotation shaft sleeve; the end face of the rotation measuring unit can be abutted with the rotation shaft sleeve.
The invention provides a rotation measurement test method, which is used for testing a rotation measurement unit, and comprises the following steps of:
step S10, fixing the rotation measuring unit outside the rotating shaft;
step S20, rotating the locking disc, and adjusting the included angle between the rotating shaft and the ground horizontal line;
step S30, the locking device locks the locking disc;
And S40, driving the rotating shaft by the rotating driving mechanism to drive the rotating measuring unit to rotate together.
The invention has the characteristics and advantages that:
The rotary measuring unit is arranged on the rotary shaft, and the rotary driving mechanism can drive the rotary measuring unit to axially and rotationally move. The support plate can drive the rotating shaft to rotate around the support rotating shaft relative to the fixing frame, so as to adjust the size of an included angle between the axis of the rotating shaft and the rotation measuring unit and the ground horizontal line, and different well inclination angle conditions for simulating the working conditions of the rotation measuring unit are realized. By adopting the rotation measurement test device, the actual working conditions of the rotation measurement unit in the drilling process can be simulated, different actual working conditions can be simulated through adjustment, the rotation measurement unit can be conveniently tested, and the measurement accuracy of the rotation measurement unit is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a rotational measurement test apparatus provided by the present invention;
FIG. 2 is a left side view of the rotational measurement test apparatus shown in FIG. 1;
FIG. 3 is a front view of the rotational measurement test apparatus shown in FIG. 1;
FIG. 4 is a schematic view of the structure of the rotating shaft and the mandrel in the rotation measurement test apparatus shown in FIG. 1;
fig. 5 is a schematic diagram of a rotation measurement test method provided by the present invention.
Reference numerals illustrate:
11. a fixing frame; 12. a support plate;
20. supporting a rotating shaft; 21. locking the disc shaft; 22. an index plate shaft; 231. a first bearing; 232. a second bearing;
30. a locking disc; 301. a locking ring; 31. a locking device; 311. a first movable block; 312. a second movable block; 313. a locking driving mechanism;
40. an index plate; 41. a locking shaft; 42. a locking block; 43. indexing hole
50. A rotation shaft;
60. a mandrel; 61. a mandrel support; 62. a mandrel bearing;
70. a slip ring; 71. a slip ring inner ring; 72. a slip ring outer ring; 73. slip ring fixing frame;
74. A slip ring sleeve; 75. rotating the shaft sleeve;
80. A rotary driving mechanism; 81. a first pulley; 82. a second pulley; 83. a synchronous belt; 84. a driving motor; 85. a pulley lock nut; 86. a protective cover; 87. a motor support plate;
90. A rotation measurement unit; 91. the axis of the measuring unit is rotated.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The present invention provides a rotation measurement test apparatus for testing a rotation measurement unit 90, as shown in fig. 1 and 2, comprising: the rotary measuring device comprises a fixing frame 11, a supporting plate 12, a supporting rotating shaft 20, a locking disc 30, a locking device 31, a rotating shaft 50 and a rotary driving mechanism 80, wherein the rotating shaft 50 is used for bearing a rotary measuring unit 90, and the rotary measuring unit 90 can be sleeved and fixed outside the rotating shaft 50; the rotation shaft 50 is mounted on the support plate 12, and the rotation driving mechanism 80 is connected to the rotation shaft 50 for driving the rotation shaft 50 to rotate; the supporting plate 12 is arranged on the fixed frame 11 through the supporting rotating shaft 20, the locking disc 30 is arranged on the supporting rotating shaft 20, and the locking disc 30 can drive the supporting plate 12 to rotate relative to the fixed frame 11 through the supporting rotating shaft 20 so as to adjust the included angle between the rotating shaft 50 and the ground horizontal line; the locking means 31 are able to lock the locking disc 30.
The rotation measuring unit 90 is mounted on the rotation shaft 50, and the rotation driving mechanism 80 can drive the rotation measuring unit 90 to perform axial rotation movement. The support plate 12 can drive the rotation shaft 50 to rotate around the support rotation shaft 20 relative to the fixing frame 11, so as to adjust the included angles between the rotation shaft 50 and the axis 91 of the rotation measuring unit and the ground horizontal line, and realize different well inclination angle conditions for simulating the working condition of the rotation measuring unit 90. By adopting the rotation measurement test device, the actual working condition of the rotation measurement unit 90 in the drilling process can be simulated, different actual working conditions can be simulated through adjustment, the rotation measurement unit 90 can be conveniently tested, and the measurement accuracy of the rotation measurement unit 90 is ensured.
By using the rotation measurement test device, the actual working condition of the rotation measurement unit 90 in the drilling process can be simulated, the axial rotation movement of the rotation measurement unit 90 according to a given speed is ensured, and meanwhile, the included angle between the axis of the rotation measurement unit 90 and the horizontal line of the ground is adjusted, so that the measurement under different well inclination angle conditions is realized. And transmitting the measured data to a storage unit in real time during measurement, and performing data processing.
After the rotation shaft 50 is adjusted to a set angle by rotating the locking plate 30, the locking plate 30 is locked by the locking device 31 so that the positions of the rotation shaft 50 and the rotation measuring unit 90 are kept stable. The structure of the locking device 31 is not limited to one, for example: in one embodiment, the locking disk 30 has a torus shape; the locking device 31 comprises a locking fixing seat and a locking screw which is in threaded connection with the locking fixing seat, and the locking screw is rotated to enable the locking screw to move to be abutted with the annular surface of the locking disc 30 along the radial direction of the locking disc 30 so as to prevent the locking disc 30 from rotating.
In order to make the position of the support plate 12 in the locked state more stable, the inventor has made an improvement to the locking device 31: the locking device 31 comprises a first movable block 311, a second movable block 312 and a locking driving mechanism 313, wherein the first movable block 311 and the second movable block 312 are respectively arranged on two sides of the locking disc 30, the locking driving mechanism 313 can drive the first movable block 311 and the second movable block 312 to be relatively close to each other so as to clamp the locking disc 30, and the locking disc 30 is locked. When the locking driving mechanism 313 drives the first movable block 311 and the second movable block 312 away from the locking disc 30, the locking disc 30 can freely rotate between the first movable block 311 and the second movable block 312. As shown in fig. 2, the locking plate 30 has a disk shape, and the locking plate 30 is provided with a locking ring 301, wherein the locking ring 301 is provided between the first movable block 311 and the second movable block 312, and the first movable block 311 and the second movable block 312 are movable to abut against an end surface of the locking ring 301. Specifically, the structure of the lock drive mechanism 313 is not limited to one, for example: in one embodiment, the lock driving mechanism 313 includes a first cylinder connected to the first movable block 311 and a second cylinder connected to the second movable block 312.
In one embodiment of the present invention, the rotation measurement test apparatus includes an index plate 40, a locking shaft 41 and a locking block 42, wherein the index plate 40 is mounted on the supporting shaft 20, and the index plate 40 can drive the supporting plate 12 to rotate relative to the fixing frame 11 through the supporting shaft 20; as shown in fig. 1 and 3, the indexing disk 40 is provided with a plurality of indexing holes 43 circumferentially distributed around the support shaft 20; the locking block 42 is fixedly connected to the fixing frame 11, the locking shaft 41 is in threaded connection with the locking block 42, the locking shaft 41 can extend into the indexing hole 43, and the locking shaft 41 can swing around the supporting rotating shaft 20 in the indexing hole 43, so that the rotation angle range of the indexing disc 40 is limited. The cross-sectional dimension of the indexing holes 43 is larger than the cross-sectional dimension of the locking shaft 41 so that the locking shaft 41 can swing within the indexing holes 43. Specifically, the locking shaft 41 may be a cylindrical shaft, the indexing hole 43 may be a circular hole having an inner diameter larger than an outer diameter of the locking shaft 41, and the indexing hole 43 may be a waist-shaped hole.
The dividing disc 40 is adopted, so that the included angle between the rotating shaft 50 and the ground horizontal line can be initially limited; since the locking shaft 41 can swing around the supporting rotating shaft 20 in the indexing hole 43, after the indexing disc 40 is locked by the locking shaft 41, the indexing disc 40 can also rotate within a certain range, i.e. fine adjustment can also be performed on the rotating shaft 50. In this embodiment, the indexing disc 40 is first adjusted, and locked by the locking shaft 41, so that the included angle between the rotation shaft 50 and the ground horizontal line is limited in a small range; and then fine tuning is performed, the locking disc 30 is rotated, and after the included angle between the rotating shaft 50 and the ground horizontal line is adjusted to a set angle, locking is realized through the locking device 31. In this embodiment, the indexing disc 40 and the locking disc 30 can be used cooperatively, which is more convenient for adjusting the included angle between the rotation shaft 50 and the rotation measuring unit 90 and the ground horizontal line, and is beneficial to more accurately simulating different well inclination angles.
As shown in fig. 1 and 2, the support shaft 20 includes an index plate shaft 22 and a lock plate shaft 21 coaxially disposed, the index plate shaft 22 and the lock plate shaft 21 are disposed on both sides of the support plate 12, respectively, the index plate 40 is mounted on the index plate shaft 22, and the lock plate 30 is mounted on the lock plate shaft 21. By the index plate shaft 22 and the lock plate shaft 21, stable support can be provided for the support plate 12. Specifically, the index plate shaft 22 and the lock plate shaft 21 are both horizontally disposed, the lock plate shaft 21 is mounted to the mount 11 through a first bearing 231, and the index plate shaft 22 is mounted to the mount 11 through a second bearing 232.
The rotation shaft 50 may be mounted to the support plate 12 through a bearing housing. One end of the support plate can be arranged in a overhanging manner, and the other end of the support plate is mounted on the support plate 12 through a bearing seat; or may be mounted at both ends to the support plate 12 through bearing blocks, respectively. In order to make the rotational movement of the support shaft more stable and smooth and to facilitate the mounting of the rotation measuring unit 90 to the rotation shaft 50, the inventors have further improved the mounting structure of the rotation shaft 50: the rotation measurement test apparatus includes a spindle 60, a spindle support 61, and a spindle bearing 62, as shown in fig. 1 and 4, the spindle 60 being mounted to the support plate 12 through the spindle support 61; the rotating shaft 50 is a hollow shaft, the rotating shaft 50 is sleeved outside the mandrel 60, and two ends of the rotating shaft 50 are respectively arranged on the mandrel 60 through mandrel bearings 62. Both ends of the rotating shaft 50 are supported by the spindle bearings 62, which is advantageous for the rotating shaft 50 to rotate more smoothly; the spindle bearing 62 is positioned in a hollow bore of the rotating shaft 50 to facilitate the sheathing of the rotation measuring unit 90 outside the rotating shaft 50. Preferably, two ends of the mandrel 60 are respectively provided with a mandrel support 61; the spindle bearing 62 is a radial ball bearing.
Further, the rotation measurement test device includes a slip ring 70 and a slip ring fixing frame 73, the slip ring 70 includes a slip ring inner ring 71 and a slip ring outer ring 72 coaxially sleeved outside the slip ring inner ring 71, the slip ring outer ring 72 is conductively connected with the slip ring inner ring 71, and the slip ring inner ring 71 is rotatable relative to the slip ring outer ring 72; the slip ring outer ring 72 is fixed to a slip ring holder 73, and the slip ring inner ring 71 is connected to the rotary shaft 50. The slip ring inner ring 71 rotates synchronously with the rotation shaft 50, the positions of the slip ring inner ring 71 and the rotation measuring unit 90 mounted on the rotation shaft 50 are kept relatively fixed, and the slip ring outer ring 72 and the slip ring inner ring 71 are connected in an electrically conductive manner, so that current can be transmitted to the rotation measuring unit 90 mounted on the rotation shaft 50 through the slip ring outer ring 72 and the slip ring inner ring 71, and power supply and signal transmission are conveniently provided for the rotation measuring unit 90.
As shown in fig. 2 and 4, the rotation measurement test apparatus includes a slip ring sleeve 74, the slip ring sleeve 74 is sleeved outside the mandrel 60, a first end of the slip ring sleeve 74 is connected with the rotation shaft 50, and a rotation driving mechanism 80 is connected with a second end of the slip ring sleeve 74; the slip ring inner ring 71 is fixedly sleeved outside the slip ring shaft sleeve 74. The rotary drive mechanism 80 transmits rotary motion to the rotary shaft 50 through the slip ring bushing 74; the slip ring sleeve 74 is detachably coupled to the rotating shaft 50 to facilitate assembly between the rotating shaft 50 and the spindle 60 and to facilitate installation of the slip ring 70. Further, the rotation measurement test device comprises a rotation shaft sleeve 75, wherein the rotation shaft sleeve 75 is fixedly sleeved at the end part of the rotation shaft 50, and the first end of the slip ring shaft sleeve 74 is connected with the rotation shaft sleeve 75; the end surface of the rotation measuring unit 90 can abut against the rotation boss 75. The rotating sleeve 75 serves to connect the slip ring sleeve 74 with the rotating shaft 50; the end surface of the rotation measuring unit 90 is in contact with the rotation sleeve 75, and the rotation sleeve 75 can perform a positioning function in the axial direction of the rotation measuring unit 90.
The rotary drive mechanism 80 is used to provide power to drive the rotary measurement unit 90 for axial rotary movement at a given speed. In one embodiment of the present invention, as shown in fig. 1 and 2, the rotation driving mechanism 80 includes a first pulley 81, a second pulley 82, a timing belt 83, and a driving motor 84, the first pulley 81 is mounted on the slip ring sleeve 74, the second pulley 82 is connected to the first pulley 81 through the timing belt 83, and the driving motor 84 is connected to the second pulley 82. Preferably, the outer diameter of the first pulley 81 is larger than the outer diameter of the second pulley 82. As shown in fig. 4, the slip ring sleeve 74 is provided with a step for cooperation with the first pulley 81; the rotation driving mechanism 80 includes a pulley lock nut 85, where the pulley lock nut 85 is sleeved outside the slip ring sleeve 74, and the pulley lock nut 85 can make the first pulley 81 abut against the step.
As shown in fig. 1 and 2, the first pulley 81 and the second pulley 82 are arranged in the vertical direction, a motor support plate 87 is fixedly provided below the support plate 12, and the driving motor 84 is mounted on the motor support plate 87. As shown in fig. 1, a protective cover 86 is mounted outside the first pulley 81.
Example two
The present invention provides a rotation measurement test method for testing a rotation measurement unit 90, using the rotation measurement test apparatus described above, as shown in fig. 5, the rotation measurement test method comprising: step S10, fixing the rotation measuring unit 90 outside the rotation shaft 50; step S20, rotating the locking disc 30, and adjusting the included angle between the rotating shaft 50 and the ground horizontal line; step S30, the locking device 31 locks the locking disc 30; in step S40, the rotation driving mechanism 80 drives the rotation shaft 50 to rotate the rotation measuring unit 90.
The rotation measurement test method can simulate the actual working condition of the rotation measurement unit 90 in the drilling process, and can adjust the included angle between the axis of the rotation measurement unit 90 and the ground horizontal line while ensuring the rotation measurement unit 90 to perform axial rotation movement according to a given speed, so as to realize measurement under different well inclination angle conditions. The included angle between the axis of the rotation measuring unit 90 and the ground horizontal line is recorded as a well bevel angle; the rotation measuring unit 90 measures the well inclination angle, compares the well inclination angle measured by the rotation measuring unit 90 with the actual well inclination angle set by the rotation locking disc 30, can know the measurement error of the rotation measuring unit 90, and is convenient for correcting the rotation measuring unit 90.
In the rotation measurement test method using the rotation measurement test apparatus described above, step S20 and step S30 may be performed before step S40 or simultaneously with step S40, that is: after the included angle between the rotating shaft 50 and the ground horizontal line is locked, the rotating shaft 50 is driven to rotate; the angle between the rotation shaft 50 and the ground level line may be adjusted while the rotation shaft 50 is rotated.
The foregoing is merely a few embodiments of the present invention and those skilled in the art may make various modifications or alterations to the embodiments of the present invention in light of the disclosure herein without departing from the spirit and scope of the invention.
Claims (5)
1. A rotation measurement testing apparatus for testing a rotation measurement unit, comprising: the device comprises a fixing frame, a supporting plate, a supporting rotating shaft, a locking disc, a locking device, a rotating shaft and a rotating driving mechanism, wherein the rotating shaft is used for bearing a rotating measurement unit, and the rotating measurement unit can be sleeved and fixed outside the rotating shaft;
The rotary shaft is arranged on the supporting plate, and the rotary driving mechanism is connected with the rotary shaft and is used for driving the rotary shaft to rotate;
The supporting plate is arranged on the fixed frame through the supporting rotating shaft, the locking disc is arranged on the supporting rotating shaft, and the locking disc can drive the supporting plate to rotate relative to the fixed frame through the supporting rotating shaft so as to adjust the size of an included angle between the rotating shaft and the ground horizontal line; the locking device can lock the locking disc;
the rotation measurement test device comprises an index plate, a locking shaft and a locking block, wherein the index plate is arranged on the supporting rotating shaft, and the index plate can drive the supporting plate to rotate relative to the fixing frame through the supporting rotating shaft; the dividing disc is provided with a plurality of dividing holes which are distributed around the circumference of the supporting rotating shaft;
The locking block is fixedly connected to the fixing frame, the locking shaft is in threaded connection with the locking block, the locking shaft can extend into the indexing hole, and the locking shaft can swing around the supporting rotating shaft in the indexing hole to limit the rotation angle range of the indexing disc;
The supporting rotating shaft comprises an index plate shaft and a locking plate shaft which are coaxially arranged, the index plate shaft and the locking plate shaft are respectively arranged on two sides of the supporting plate, the index plate is arranged on the index plate shaft, and the locking plate is arranged on the locking plate shaft;
the rotation measurement test device comprises a mandrel, a mandrel support and a mandrel bearing, wherein the mandrel is arranged on the supporting plate through the mandrel support;
The rotating shaft is a hollow shaft, the rotating shaft is sleeved outside the mandrel, and two ends of the rotating shaft are respectively arranged on the mandrel through the mandrel bearings;
The rotation measurement test device comprises a slip ring and a slip ring fixing frame, wherein the slip ring comprises a slip ring inner ring and a slip ring outer ring coaxially sleeved outside the slip ring inner ring, the slip ring outer ring is connected with the slip ring inner ring in a conductive manner, and the slip ring inner ring can rotate relative to the slip ring outer ring;
the slip ring outer ring is fixed on the slip ring fixing frame, and the slip ring inner ring is connected with the rotating shaft;
the rotation measurement test device comprises a slip ring shaft sleeve, the slip ring shaft sleeve is sleeved outside the mandrel, a first end of the slip ring shaft sleeve is connected with the rotating shaft, and the rotation driving mechanism is connected with a second end of the slip ring shaft sleeve;
the slip ring inner ring is fixedly sleeved outside the slip ring shaft sleeve.
2. The rotation measurement testing apparatus according to claim 1, wherein the locking device comprises a first movable block, a second movable block and a locking driving mechanism, the first movable block and the second movable block are respectively arranged on two sides of the locking disc, and the locking driving mechanism can drive the first movable block and the second movable block to be relatively close to each other so as to clamp the locking disc.
3. The rotation measurement testing apparatus according to claim 1, wherein the rotation driving mechanism includes a first pulley, a second pulley, a timing belt, and a driving motor, the first pulley is mounted to the slip ring sleeve, the second pulley is connected to the first pulley through the timing belt, and the driving motor is connected to the second pulley.
4. A rotation measurement testing device according to claim 3, comprising a rotation sleeve fixedly sleeved at the end of the rotation shaft, a first end of the slip ring sleeve being connected to the rotation sleeve; the end face of the rotation measuring unit can be abutted with the rotation shaft sleeve.
5. A rotation measurement testing method for testing a rotation measurement unit, characterized by using the rotation measurement testing apparatus according to any one of claims 1 to 4, the rotation measurement testing method comprising:
step S10, fixing the rotation measuring unit outside the rotating shaft;
step S20, rotating the locking disc, and adjusting the included angle between the rotating shaft and the ground horizontal line;
step S30, the locking device locks the locking disc;
And S40, driving the rotating shaft by the rotating driving mechanism to drive the rotating measuring unit to rotate together.
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| CN202011129914.XA CN114382462B (en) | 2020-10-21 | 2020-10-21 | Rotation measurement test device and rotation measurement test method |
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| CN202011129914.XA CN114382462B (en) | 2020-10-21 | 2020-10-21 | Rotation measurement test device and rotation measurement test method |
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