CN113624132B - C-shaped inner frame rotation center debugging method and C-shaped inner frame mounting structure - Google Patents

C-shaped inner frame rotation center debugging method and C-shaped inner frame mounting structure Download PDF

Info

Publication number
CN113624132B
CN113624132B CN202110886296.1A CN202110886296A CN113624132B CN 113624132 B CN113624132 B CN 113624132B CN 202110886296 A CN202110886296 A CN 202110886296A CN 113624132 B CN113624132 B CN 113624132B
Authority
CN
China
Prior art keywords
shaped
shaped inner
inner frame
preset
guide rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110886296.1A
Other languages
Chinese (zh)
Other versions
CN113624132A (en
Inventor
帅进文
贾敬朝
魏勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maisheng Medical Equipment Co ltd
Original Assignee
Maisheng Medical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maisheng Medical Equipment Co ltd filed Critical Maisheng Medical Equipment Co ltd
Priority to CN202110886296.1A priority Critical patent/CN113624132B/en
Publication of CN113624132A publication Critical patent/CN113624132A/en
Application granted granted Critical
Publication of CN113624132B publication Critical patent/CN113624132B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

The invention relates to the field of medical equipment, and discloses a C-shaped inner frame rotation center debugging method and a C-shaped inner frame installation structure. According to the C-shaped inner frame mounting structure provided by the invention, the first mounting hole and/or the second mounting hole are/is designed as the waist-shaped hole, so that not only can the movement of the C-shaped inner frame relative to the C-shaped inner frame mounting structure be realized, but also the rotation of the C-shaped inner frame relative to the C-shaped inner frame mounting structure can be realized, so that the position of the C-shaped inner frame relative to the C-shaped inner frame mounting structure can be conveniently adjusted by matching with the theodolite and the ruler, and the purposes of improving the mounting precision and the mounting and debugging efficiency of the C-shaped inner frame can be achieved.

Description

C-shaped inner frame rotation center debugging method and C-shaped inner frame mounting structure
Technical Field
The invention relates to the field of medical equipment, in particular to a C-shaped inner frame rotation center debugging method and a C-shaped inner frame mounting structure.
Background
In the medical industry, the C-shaped internal frame is generally used for fixedly mounting shooting or radiotherapy equipment, the C-shaped internal frame comprises a C-shaped frame, a C-shaped guide rail arranged on the C-shaped frame, a gear-rack structure and a treatment head, a motor drives a gear to rotate, and the gear is matched with the rack in a transmission manner so as to drive the treatment head to rotate along the guide rail on the C-shaped internal frame. However, the actual rotation center of the treatment head often deviates from the ideal rotation center due to the influence of the machining precision, the guide rail precision and the installation error, and the rotation precision of the treatment head determines the precision of radiotherapy or photographing.
In order to debug the actual rotation center of the treatment head within the medically allowable runout error range, the current method is to measure the rotation center of the C-shaped inner frame by using a laser tracker so that the runout error of the rotation center of the C-shaped inner frame is within the medically allowable runout error range.
But the cost of the laser tracker is high, resulting in high maintenance costs for the C-type internal gantry.
Disclosure of Invention
The invention aims to provide a C-shaped inner rack rotating center debugging method and a C-shaped inner rack mounting structure, which not only can meet the requirements of the jumping errors of the rotating centers of the C-shaped inner racks, but also greatly reduce the maintenance cost.
To achieve the purpose, the invention adopts the following technical scheme:
the C-shaped inner rack is arranged on a C-shaped inner rack mounting structure, and comprises a C-shaped rack and a treatment head, wherein a C-shaped guide rail which is in sliding connection with the treatment head is arranged on the C-shaped rack; the C-shaped internal rack rotation center debugging method comprises the following steps:
step 1, placing a theodolite on one side of a C-shaped inner frame mounting structure, wherein the C-shaped inner frame is positioned between the theodolite and the C-shaped inner frame mounting structure, so that one cursor line of a cross cursor of the theodolite is positioned on a preset reference plane;
step 2, detachably mounting the simulated load on the treatment head;
step 3, mounting the ruler on the simulated load to enable the ruler to be perpendicular to the C-shaped end face of the C-shaped rack;
step 4, setting a plurality of different preset expansion amounts, wherein the preset expansion amounts are the extending lengths of the treatment heads and correspond to any preset expansion amount, the treatment heads extend out of the preset expansion amounts when at least three first preset positions distributed along the circumference of the C-shaped guide rail, and the dimensional values aligned with the optical marks on the preset reference plane of the theodolite on the ruler are read through the theodolite;
and (3) adjusting the position of the treatment head relative to the C-shaped frame of the C-shaped inner frame when the difference value of any two read size values exceeds the preset jump error range corresponding to any preset expansion and contraction amount, and repeating the step (4) until the difference value of any two read size values is within the preset jump error range corresponding to any preset expansion and contraction amount.
As a preferable technical scheme of the C-shaped inner frame rotation center debugging method, the position of the treatment head vertically arranged at the top of the C-shaped guide rail is recorded as an initial position, and the rotation angle of the treatment head is 0 degrees; when the treatment head is vertically arranged at the bottom of the C-shaped guide rail, the rotation angle of the treatment head is 180 degrees; the rotation angle of the treatment head is not less than-5 degrees and not more than 185 degrees;
the first preset positions are positions of the treatment head when the rotation angles of the treatment head are-5 degrees, 0 degrees, 22.5 degrees, 45 degrees, 67.5 degrees, 90 degrees, 112.5 degrees, 135 degrees, 157.5 degrees, 180 degrees and 185 degrees respectively.
As a preferable technical scheme of the method for debugging the rotation center of the C-shaped inner frame, after the step 2 and before the step 3, the position of the C-shaped inner frame relative to the C-shaped inner frame mounting structure is adjusted so that the C-shaped end face of the C-shaped frame is parallel to a preset reference plane.
As a preferable technical scheme of the method for debugging the rotation center of the C-shaped inner frame, adjusting the position of the C-shaped inner frame relative to the mounting structure of the C-shaped inner frame to enable the C-shaped end face of the C-shaped frame to be parallel to a preset reference plane comprises the following steps:
s1, fixing a treatment head at a second preset position on a C-shaped guide rail;
s2, sequentially installing zero scale ends of the straightedge at least three specified positions distributed along the circumferential direction of the C-shaped guide rail on the C-shaped inner frame, and reading the size value aligned with the cursor line, which is positioned on the preset reference surface and coincides with the theodolite, on the straightedge through the theodolite;
and if the size value corresponding to at least one designated position is not in the preset interval range, adjusting the position of the C-shaped inner rack relative to the C-shaped inner rack mounting structure, and repeating the step S2 until the size value corresponding to each designated position is in the preset interval range.
As a preferable technical scheme of the method for debugging the rotation center of the C-shaped inner frame, adjusting the position of the C-shaped inner frame relative to the C-shaped inner frame mounting structure includes:
and the threaded adjusting piece is screwed and connected with the upper part and the lower part of the C-shaped inner frame and the C-shaped inner frame mounting structure, and rotates and/or moves the C-shaped inner frame.
As a preferable technical scheme of the C-shaped inner frame rotation center debugging method, the C-shaped guide rail comprises an inner guide rail and an outer guide rail, wherein the central shafts of the inner guide rail and the outer guide rail are coaxial;
n appointed positions distributed along the extending direction of the C-shaped guide rail are arranged on the inner guide rail and the outer guide rail, N is more than or equal to 3, the appointed positions on the inner guide rail and the appointed positions on the outer guide rail are in one-to-one correspondence, and the corresponding appointed positions on the inner guide rail and the outer guide rail are located on the same radial direction of the C-shaped guide rail and on the same side of the central axis of the C-shaped guide rail.
As an preferable technical scheme of the method for debugging the rotation center of the C-shaped internal frame, the n=3, and the three specified positions are located in the same radial direction as the positions where the treatment head rotates at angles of 0 °, 90 ° and 180 °.
As a preferable technical scheme of the C-shaped inner frame rotation center debugging method, the preset expansion and contraction amounts are respectively 0cm, 3cm, 6cm, 9cm, 12cm, 15cm, 18cm, 21cm, 24cm, 27cm and 30cm.
As a preferable technical scheme of the method for adjusting the rotation center of the C-shaped inner frame, adjusting the position of the treatment head relative to the C-shaped frame of the C-shaped inner frame includes:
a gasket is additionally arranged between the contact surface of the circumferential side wall of the C-shaped guide rail and the treatment head.
As a preferable technical scheme of the C-shaped inner frame rotation center debugging method, the thickness difference between two adjacent groups of gaskets distributed along the circumferential direction of the C-shaped guide rail is not more than 0.02mm.
As a preferable technical scheme of the C-shaped inner frame rotation center debugging method, the preset jumping error range is +/-0.25 mm.
As a preferable technical scheme of the C-shaped internal frame rotation center debugging method, before the step 1, the method further comprises the following steps:
and measuring the levelness of the C-shaped inner frame mounting structure, and fixing the C-shaped inner frame mounting structure on the ground through expansion screws when the levelness is within a preset levelness range.
As a preferable technical scheme of the C-shaped inner frame rotation center debugging method, when the levelness is not within the preset levelness range, a base plate is added or removed between the lower surface of the C-shaped inner frame mounting structure and the ground until the levelness is within the preset levelness range.
The invention also provides a C-shaped inner frame mounting structure, when the C-shaped inner frame is mounted on the C-shaped inner frame mounting structure, the rotation center of the C-shaped inner frame is debugged by adopting the C-shaped inner frame rotation center debugging method;
the C-shaped inner frame mounting structure comprises:
the first mounting plate is provided with a first mounting hole corresponding to a first reserved hole at the lower part of the C-shaped rack of the C-shaped inner rack and used for fixing the lower part of the C-shaped rack of the C-shaped inner rack through a first thread adjusting piece;
the second mounting plate is positioned above the first mounting plate, a second mounting hole corresponding to a second reserved hole on the clamping table at the upper part of the C-shaped inner frame is formed in the second mounting plate, and the second mounting hole is used for fixing the clamping table at the upper part of the C-shaped inner frame through a second threaded adjusting piece;
the first mounting holes and/or the second mounting holes are waist-shaped holes, and the apertures of the first mounting holes and the second mounting holes are respectively larger than the outer diameters of the corresponding threaded adjusting pieces, so that the C-shaped inner rack can move and rotate relative to the C-shaped inner rack mounting structure.
As a preferable technical scheme of the C-shaped internal rack mounting structure, the structure further comprises:
the first mounting plate is located one side of link, and one end fixed connection in the lower part of link, the second mounting plate fixed connection in the upper portion of link.
As a preferable technical scheme of the C-shaped internal rack mounting structure, the structure further comprises:
the debugging board, debugging board fixed connection in the link, the upper surface of debugging board is the plane for place the spirit level in order to measure the levelness of the upper surface of debugging board.
The invention has the beneficial effects that: according to the C-shaped inner frame rotation center debugging method provided by the invention, the position of the C-shaped inner frame relative to the C-shaped inner frame mounting structure and the position of the treatment head relative to the C-shaped frame are adjusted through the cooperation of the theodolite and the ruler, so that the jitter error of the rotation center of the C-shaped inner frame is within the preset jitter error range, and the maintenance cost is greatly reduced.
According to the C-shaped inner frame mounting structure provided by the invention, the first mounting hole and/or the second mounting hole are/is designed as the waist-shaped holes, and the apertures of the first mounting hole and the second mounting hole are respectively larger than the outer diameter of the corresponding threaded adjusting piece, so that the movement of the C-shaped inner frame relative to the C-shaped inner frame mounting structure can be realized, the rotation of the C-shaped inner frame relative to the C-shaped inner frame mounting structure can be realized, the position of the C-shaped inner frame relative to the C-shaped inner frame mounting structure can be conveniently adjusted by matching with the theodolite and the ruler, and the purposes of improving the mounting precision and the mounting and debugging efficiency of the C-shaped inner frame are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural view of a C-shaped inner frame mounting structure provided with a C-shaped inner frame according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram II of a C-shaped inner frame mounting structure provided by an embodiment of the present invention, in which a C-shaped inner frame is mounted;
fig. 3 is a schematic structural diagram of a C-shaped internal rack mounting structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram II of a C-shaped internal frame mounting structure according to an embodiment of the present invention;
FIG. 5 is a top view of a C-shaped internal frame mounting structure provided by an embodiment of the present invention;
fig. 6 is a flowchart of a method for debugging a rotation center of a C-type internal frame according to an embodiment of the present invention.
In the figure:
1. a first mounting plate; 11. a first mounting hole; 2. a second mounting plate; 21. a second mounting hole; 3. a connecting frame; 31. a rectangular frame; 32. a connecting piece; 4. a debug board; 41. a test hole; 5. a first fixing plate; 6. a second fixing plate; 7. a third fixing plate; 8. a support plate; 9. a reinforcing plate;
101. a C-shaped frame; 102. a treatment head; 103. a clamping table; 104. simulating a load; 105. a ruler;
200. a straight line is preset.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
The C-shaped inner rack comprises a C-shaped rack, a treatment head and a clamping table connected to the upper part of the C-shaped rack, wherein a C-shaped guide rail which is in sliding connection with the treatment head is arranged on one side of the C-shaped rack, the treatment head is provided with a first motor and a second motor, the first motor is used for driving the treatment head to slide relative to the C-shaped guide rail, and the first motor is provided with a locking structure for selectively fixing the treatment head relative to the C-shaped guide rail; the second motor is used for driving the treatment head to radially stretch along the C-shaped guide rail.
As shown in fig. 1 to 5, the present embodiment provides a method for debugging a rotation center of a C-shaped inner frame and a C-shaped inner frame mounting structure, wherein the C-shaped inner frame is mounted on the C-shaped inner frame mounting structure, and a jitter error of the rotation center of the C-shaped inner frame is within a preset jitter error range through debugging, so as to improve the mounting efficiency and the mounting accuracy of the C-shaped inner frame.
The C-shaped inner frame mounting structure comprises a first mounting plate 1 and a second mounting plate 2, wherein the first mounting plate 1 is provided with a first mounting hole 11 corresponding to a first reserved hole at the lower part of a C-shaped frame 101 of the C-shaped inner frame, and the first mounting hole is used for fixing the lower part of the C-shaped frame 101 through a first thread adjusting piece; the second mounting plate 2 is located the top of first mounting plate 1, is equipped with the second mounting hole 21 that corresponds with the second preformed hole on the card table 103 of C type inner frame upper portion on the second mounting plate 2, and second mounting hole 21 is used for fixing card table 103 through the second screw thread adjusting part, and first mounting hole 11 and/or second mounting hole 21 are waist type hole, and the aperture of first mounting hole 11 and second mounting hole 21 is greater than the external diameter of corresponding screw thread adjusting part respectively, makes the interior frame of C type remove and rotate for frame mounting structure in the C type. The mounting requires that both the long axis direction and the short axis direction of the waist-shaped hole be horizontal, and the opening direction of the C-shaped frame 101 coincides with the short axis direction of the waist-shaped hole. The second mounting hole 21 is illustratively a kidney-shaped hole, and the first mounting hole 11 is a circular hole.
Further, the above-mentioned frame mounting structure in C type still includes link 3, and first mounting panel 1 is located one side of link 3, and one end fixed connection in the lower part of link 3, and second mounting panel 2 fixed connection is in the upper portion of link 3. The first mounting plate 1 and the second mounting plate 2 are supported through the connecting frame 3, so that the stability of the first mounting plate 1 and the second mounting plate 2 is improved.
Specifically, the above-mentioned connection frame 3 includes two rectangular frames 31 and a connection member 32, wherein the two rectangular frames 31 are distributed along the short axis direction of the waist-shaped hole; the connecting pieces 32 are at least two, and the at least two connecting pieces 32 are sequentially distributed at intervals along the long axis direction of the waist-shaped hole; both ends of each connecting piece 32 are connected to two rectangular frames 31, respectively. Wherein, the two rectangular frames 31 can be welded by I-steel or square steel pipes.
The height difference between the first mounting plate 1 and the second mounting plate 2 is large due to the height problem of the C-shaped inner frame, and for this purpose, the connecting frame 3 in this embodiment further includes a support plate 8 located between the first mounting plate 1 and the second mounting plate 2, and two ends of the support plate 8 are respectively connected to two rectangular frames 31. The structural strength of the connecting frame 3 is improved through the supporting plate 8, an installer can stand on the supporting plate 8, the clamping table 103 is fixed on the second mounting plate 2 through the second threaded adjusting piece, and the second threaded adjusting piece is unscrewed to realize small-angle rotation and movement of the clamping table 103.
In order to improve the connection strength between the second mounting plate 2 and the connecting frame 3, the connecting frame 3 further includes at least two reinforcing plates 9, at least two reinforcing plates 9 are located above the second mounting plate 2, at least two reinforcing plates 9 are distributed in sequence along the long axis direction of the waist-shaped hole, two ends of each reinforcing plate 9 are respectively connected to two rectangular frames 31, and the lower end of each reinforcing plate 9 is connected to the second mounting plate 2. Preferably, the reinforcing plate 9 is provided with three.
In order to reduce the weight of the C-shaped inner frame mounting structure, the reinforcing plate 9 is a hollowed plate.
Further, the above-mentioned frame mounting structure in C still includes debugging board 4, and debugging board 4 fixed connection is in link 3, and the upper surface of debugging board 4 is the plane for place the levelness of spirit level in order to measure debugging board 4 upper surface. In this embodiment, the debugging plate 4 and the first mounting plate 1 are distributed at intervals along the short axis direction of the waist-shaped hole, and a plurality of debugging holes 41 are formed in the debugging plate 4 and distributed in sequence along the short axis direction of the waist-shaped hole.
Specifically, the above-mentioned frame mounting structure in C still includes first fixed plate 5, second fixed plate 6 and third fixed plate 7, and wherein, the bottom of first mounting panel 1 is fixed with two at least first fixed plates 5, is equipped with first fixed orifices on the first fixed plate 5 for fix first fixed plate 5 in ground through first expansion screw. The bottom of link 3 is equipped with two at least second fixed plates 6, is equipped with the second fixed orifices on the second fixed plate 6 for with link 3 through the second expansion screw fixed on ground. The bottom of debugging board 4 is equipped with two at least third fixed plates 7, is equipped with the third fixed orifices on the third fixed plate 7 for fix debugging board 4 in ground through the third inflation screw.
When the above-mentioned C-shaped inner frame mounting structure is fixed on the ground, the levelness of the upper surface of the debug board 4 is measured by the level gauge, when the levelness of the upper surface of the debug board 4 is not within the preset levelness range, a backing plate is added or removed between the lower surface of the second fixing board 6 and/or the first fixing board 5 and/or the third fixing board 7 and the ground, and when the levelness of the upper surface of the debug board 4 is within the preset levelness range, the first fixing board 5, the second fixing board 6 and the third fixing board 7 are fixed on the ground by the first expansion screw, the second expansion screw and the third expansion screw, respectively.
The method for debugging the rotation center of the C-shaped inner frame is described in detail below with reference to FIG. 6.
S1, placing the theodolite on one side of a C-shaped inner frame mounting structure, wherein the C-shaped inner frame is positioned between the theodolite and the C-shaped inner frame mounting structure, so that one cursor line of a cross cursor of the theodolite is positioned on a preset reference plane.
Specifically, the levelness of the upper surface of the debugging plate 4 and the upper surface of the first mounting plate 1 is guaranteed during processing, and then the debugging plate 4 and the first mounting plate 1 are fixed on one side of the connecting frame 3 so that the debugging plate 4 and the first mounting plate 1 are distributed at intervals along the short axis direction of the waist-shaped hole. Preferably, the debug board 4 and the first mounting board 1 are welded to the connection frame 3.
After the C-shaped inner frame mounting structure is fixed on the ground, the projection of a preset reference plane on the ground is drawn and marked as a preset straight line 200, the theodolite is placed on one side of the C-shaped inner frame, and the theodolite is adjusted until one of the cursor lines of the cross cursor of the theodolite completely coincides with the preset straight line 200, so that the fact that the cursor line of the theodolite is located on the preset reference plane is indicated.
In this embodiment, the debug holes 41 are in one-to-one correspondence with the first mounting holes 11, a first mark point is set on the opening end surface of one of the debug holes 41 located above, a second mark point is set on the opening end surface of the first mounting hole 11 corresponding to the debug hole 41 located above, a connecting line of the first mark point and the second mark point is drawn on the ground, and then a perpendicular bisector of the connecting line is drawn on the ground, namely a preset straight line 200.
Before step 1, the upper and lower ends of the C-shaped inner frame are respectively preloaded and installed on the first installation plate 1 and the second installation plate 2 through a plurality of thread adjusting pieces.
The method comprises the steps of measuring levelness of a C-shaped inner frame mounting structure in the process that upper and lower ends of the C-shaped inner frame are respectively pre-tightly mounted on a first mounting plate 1 and a second mounting plate 2 through a plurality of thread adjusting pieces, and fixing the C-shaped inner frame mounting structure if the levelness is within a preset levelness range.
Specifically, the level gauge is placed on the upper surface of the debugging board 4, if the levelness of the upper surface of the debugging board 4 is not within the preset levelness range, a backing plate is additionally arranged between the first fixing board 5 and the ground, and/or between the second fixing board 6 and the ground, and/or between the third fixing board 7 and the ground, and when the levelness of the upper surface of the debugging board 4 is within the preset levelness range, the first fixing board 5, the second fixing board 6 and the third fixing board 7 are respectively fixed on the ground through the first expansion screw, the second expansion screw and the third expansion screw.
S2, detachably mounting the simulated load on the treatment head.
Specifically, the dummy load 104 is positioned on the treatment head 102 by a dowel pin, and then the dummy load 104 is fixed on the treatment head 102 by a screw.
S3, adjusting the position of the C-shaped inner rack relative to the C-shaped inner rack mounting structure to enable the C-shaped end face of the C-shaped rack to be parallel to a preset reference plane.
Specifically, S31, fixing the treatment head 102 at a second preset position on the C-shaped guide rail of the C-shaped inner frame; s32, sequentially mounting the zero scale end of the ruler 105 on at least three specified positions on the C-shaped inner frame to enable the ruler 105 to be perpendicular to a preset reference plane, and reading a size value of the ruler 105 aligned with a cursor line of the theodolite on the preset reference plane through the theodolite; and if the size value is not in the preset interval range, adjusting the position of the C-shaped inner rack relative to the C-shaped inner rack mounting structure, and repeating the step S32 until the size value is in the preset interval range.
The C-shaped guide rail comprises an inner guide rail and an outer guide rail which are coaxial with each other in terms of central axis; n appointed positions distributed along the extending direction of the C-shaped guide rail are arranged on the inner guide rail and the outer guide rail, N is more than or equal to 3, the appointed positions on the inner guide rail and the appointed positions on the outer guide rail are in one-to-one correspondence, and the corresponding appointed positions on the inner guide rail and the outer guide rail are located on the same radial direction and on the same side of the central axis of the C-shaped guide rail.
In this embodiment, the position where the treatment head 102 is vertically disposed on the top of the C-shaped guide rail is referred to as the initial position, the rotation angle of the treatment head 102 is 0 °, and when the treatment head 102 is vertically disposed on the bottom of the C-shaped guide rail, the rotation angle of the treatment head 102 is 180 °, and the rotation angle of the treatment head 102 is not less than-5 ° and not more than 185 °. Preferably, n=3, and the three designated positions are located in the same radial direction as the positions where the treatment head 102 rotates by 0 °, 90 °, and 180 °, respectively. The specified position to be described is not limited to the position defined in the present embodiment, and may be selected according to actual requirements.
The method for reading the aligned dimension value of the cursor line on the preset reference plane when the ruler 105 is mounted on any designated position by the theodolite is as follows:
the cursor line on the theodolite on the preset reference plane is marked as a first cursor line, the other cursor line of the theodolite is marked as a second cursor line, and the pitch angle of the theodolite is adjusted to enable the first cursor line to be aligned with one of the scales on the ruler 105 or aligned between two adjacent scales on the ruler 105. When the first cursor line is aligned between two adjacent scales, the optical micrometer on the theodolite is adjusted to move the cross cursor line of the theodolite left and right so as to realize that the first cursor line moves to the nearest scale until the first cursor line is aligned with the scale, and then a reading is obtained according to a reading method of the theodolite, wherein the reading is the size value aligned with the first cursor line on the ruler 105.
It should be noted that, since the width of the preset line 200 is larger than the width of the cross light line, and the length of the minimum scale unit of the ruler 105 is smaller than the width of the preset line 200, the first light line remains aligned with the preset line 200 in practice although the cross light line of the theodolite moves left and right. The method for reading theodolites is not described in detail in the prior art.
In order to facilitate the disassembly and assembly of the ruler 105, the zero scale end of the ruler 105 is mounted on the magnetic mounting seat, the above specified position is provided with a mark, at least the part of the position of the mark on the C-shaped frame 101 is made of a magnetic material capable of magnetically adsorbing with the magnetic mounting seat, and the magnetic mounting seat is adsorbed at the position of the mark. When the ruler 105 is detached, the ruler 105 with the magnetic mounting seat is directly taken off by force.
In order to prevent the treatment head 102 from interfering with the mounting of the ruler 105, the second predetermined position is not located in the same radial direction as the three specified positions. The second preset position may be a position that does not interfere with the ruler 105, and is not specifically limited herein.
The method for adjusting the position of the C-shaped inner frame relative to the C-shaped inner frame mounting structure comprises the following steps:
the screw adjusting piece which is screwed and connected with the upper part and the lower part of the C-shaped inner frame and the C-shaped inner frame installing structure rotates and/or moves the C-shaped inner frame, so that the dimension value of the ruler 105 when being fixed at each appointed position is within the range of the preset interval.
After the step S3 is completed, the ruler 105 is removed.
Through the step S3, the C-shaped inner frame can be in a vertical state, and the C-shaped end face on the C-shaped inner frame is approximately parallel to a preset reference plane.
And S4, mounting the ruler on the simulated load so that the ruler is perpendicular to the C-shaped end face of the C-shaped rack 101.
S5, setting a plurality of different preset expansion amounts, wherein the preset expansion amounts are the extending lengths of the treatment head 102 and correspond to any preset expansion amount, the treatment head 102 extends out of the preset expansion amounts when at least three first preset positions distributed along the circumference of the C-shaped guide rail, and the theodolite reads the size value of the alignment of the ruler 105 and the cursor line on the theodolite, which is positioned on a preset reference plane;
and (3) adjusting the position of the treatment head 102 relative to the C-shaped frame 101 of the C-shaped inner frame when the difference value of any two of the read size values exceeds the preset jump error range corresponding to any one of the preset expansion and contraction amounts, and repeating S5 until the difference value of any two of the read size values is within the preset jump error range corresponding to any one of the preset expansion and contraction amounts.
The method for adjusting the position of the treatment head 102 relative to the C-shaped frame 101 of the C-shaped inner frame is to add a spacer between the circumferential side wall of the C-shaped guide rail and the contact surface of the treatment head 102.
Specifically, the number of preset expansion amounts is n1, the number of first preset positions is n2, and n2 size values are obtained when the treatment head 102 is at n2 first preset positions under each preset expansion amount, which are n1×n2 size values in total. The present embodiment marks each size value as N （i，j） Wherein i represents the i-th preset expansion amount, j represents the j-th preset expansion position, i is more than or equal to 1 and less than or equal to n1, and j is more than or equal to 1 and less than or equal to n2.
The maximum value and the minimum value in the N1 multiplied by N2 size values are respectively N max And N min The flatness of the C-shaped end face was Δn=n max -N min . The flatness delta N of the C-shaped end face is enabled to be within a preset flatness range by the mode of additionally arranging the gasket.
Maximum value N of n1×n2 size values max The difference value of each size value under the ith preset expansion and contraction amount is delta N （i，j） ，△N （i，j） =N max -N （i，j） Find DeltaN （i，j） The pads are additionally arranged between the C-shaped guide rail and the treatment head 102 according to the requirement that the thickness difference between two adjacent groups of pads distributed along the circumferential direction of the C-shaped guide rail is not more than 0.02mm, and then the measurement is carried out until the jumping error delta N of the C-shaped end surface is within the preset jumping error range.
Preferably, the first preset positions are positions of the treatment head 102 when the rotation angle of the treatment head 102 is-5 °, 0 °, 22.5 °, 45 °, 67.5 °, 90 °, 112.5 °, 135 °, 157.5 °, 180 °, and 185 °, respectively. The preset expansion and contraction amounts are respectively 0cm, 3cm, 6cm, 9cm, 12cm, 15cm, 18cm, 21cm, 24cm, 27cm and 30cm. It should be noted that, the first preset position and the preset expansion amount are not limited to the above setting, for example, the number of the first preset positions and the number of the preset expansion amounts may be increased or decreased, and may be set according to actual requirements, which are not specifically required here.
The method for reading the size value of the alignment between the ruler 102 and the cursor line on the preset reference plane by the theodolite when the treatment head 102 extends by the preset extension amount and the treatment head 102 is at any first preset position is the same as the method for reading the size value of the alignment between the ruler 105 and the cursor line on the preset reference plane by the theodolite when the ruler 105 is mounted at any specified position in the step 4, and is not described in detail here.
The ruler 105 is configured to be matched with the theodolite, and the ruler 105 and the theodolite are obtained through outsourcing, which is not described in detail herein. The theodolite in the embodiment adopts the RH-6 theodolite, the measurement precision can reach the level of a percentage scale, and the installation precision of the C-shaped inner frame is greatly improved.
According to the C-shaped inner frame rotation center debugging method and the C-shaped inner frame mounting structure, the first mounting hole 11 and/or the second mounting hole 21 are/is/are designed to be waist-shaped holes, the aperture of the first mounting hole 11 and the aperture of the second mounting hole 21 are larger than the outer diameter of the corresponding threaded adjusting piece, the movement of the C-shaped inner frame relative to the C-shaped inner frame mounting structure can be achieved, the rotation of the C-shaped inner frame relative to the C-shaped inner frame mounting structure can be achieved, and the position of the C-shaped inner frame relative to the C-shaped inner frame mounting structure and the position of the treatment head 102 relative to the C-shaped frame 101 are adjusted by matching with the theodolite and the ruler 105, so that the mounting precision and the mounting debugging efficiency of the C-shaped inner frame are improved.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the various aspects will be apparent to persons of ordinary skill in the art upon reference to the description. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Claims (16)

  1. The C-shaped inner rack is arranged on a C-shaped inner rack mounting structure, the C-shaped inner rack comprises a C-shaped rack (101) and a treatment head (102), and a C-shaped guide rail which is in sliding connection with the treatment head (102) is arranged on the C-shaped rack (101); the method is characterized in that the method for debugging the rotation center of the C-shaped inner rack comprises the following steps:
    step 1, placing a theodolite on one side of a C-shaped inner frame mounting structure, wherein the C-shaped inner frame is positioned between the theodolite and the C-shaped inner frame mounting structure, so that one cursor line of a cross cursor of the theodolite is positioned on a preset reference plane;
    step 2, detachably mounting the simulated load (104) on the treatment head (102);
    step 3, mounting the ruler (105) on the simulated load (104) so that the ruler (105) is perpendicular to the C-shaped end face of the C-shaped stand (101);
    step 4, setting a plurality of different preset expansion amounts, wherein the preset expansion amounts are the extending lengths of the treatment head (102) and correspond to any preset expansion amount, the treatment head (102) extends out of the preset expansion amounts when at least three first preset positions distributed along the circumference of the C-shaped guide rail, and the dimensional value of the straight ruler (105) aligned with the cursor line of the theodolite on the preset reference plane is read through the theodolite;
    and (3) adjusting the position of the treatment head (102) relative to the C-shaped frame (101) of the C-shaped inner frame when the difference value of any two of the read size values exceeds the preset jump error range corresponding to any preset expansion and contraction amount, and repeating the step (4) until the difference value of any two of the read size values is within the preset jump error range corresponding to any preset expansion and contraction amount.
  2. 2. The method for adjusting the rotation center of the C-shaped inner frame according to claim 1, wherein a position where the treatment head (102) is vertically provided at the top of the C-shaped guide rail is referred to as an initial position, and a rotation angle of the treatment head (102) is 0 °; when the treatment head (102) is vertically arranged at the bottom of the C-shaped guide rail, the rotation angle of the treatment head (102) is 180 degrees; the rotation angle of the treatment head (102) is not less than-5 degrees and not more than 185 degrees;
    the first preset positions are positions of the treatment head (102) when the rotation angle of the treatment head (102) is-5 degrees, 0 degrees, 22.5 degrees, 45 degrees, 67.5 degrees, 90 degrees, 112.5 degrees, 135 degrees, 157.5 degrees, 180 degrees and 185 degrees respectively.
  3. 3. The method for adjusting the rotation center of the C-shaped inner frame according to claim 2, wherein after the step 2 and before the step 3, the position of the C-shaped inner frame with respect to the C-shaped inner frame mounting structure is adjusted such that the C-shaped end surface of the C-shaped frame (101) is parallel to a preset reference surface.
  4. 4. A method of adjusting the center of rotation of a C-shaped internal frame as defined in claim 3, wherein adjusting the position of the C-shaped internal frame relative to the C-shaped internal frame mounting structure such that the C-shaped end face of the C-shaped frame (101) is parallel to a predetermined reference plane comprises:
    s1, fixing a treatment head (102) at a second preset position on a C-shaped guide rail;
    s2, sequentially installing zero scale ends of the straightedge (105) at least three specified positions distributed along the circumferential direction of the C-shaped guide rail on the C-shaped inner frame, and reading size values aligned with a cursor line of the theodolite on a preset reference plane on the straightedge (105) through the theodolite;
    and if the size value corresponding to at least one designated position is not in the preset interval range, adjusting the position of the C-shaped inner rack relative to the C-shaped inner rack mounting structure, and repeating the step S2 until the size value corresponding to each designated position is in the preset interval range.
  5. 5. The method of claim 4, wherein adjusting the position of the C-shaped inner frame relative to the C-shaped inner frame mounting structure comprises:
    and the threaded adjusting piece is screwed and connected with the upper part and the lower part of the C-shaped inner frame and the C-shaped inner frame mounting structure, and rotates and/or moves the C-shaped inner frame.
  6. 6. The method for adjusting the rotation center of a C-shaped inner frame according to claim 4, wherein the C-shaped guide rail comprises an inner guide rail and an outer guide rail which are coaxial with each other;
    n appointed positions distributed along the extending direction of the C-shaped guide rail are arranged on the inner guide rail and the outer guide rail, N is more than or equal to 3, the appointed positions on the inner guide rail and the appointed positions on the outer guide rail are in one-to-one correspondence, and the corresponding appointed positions on the inner guide rail and the outer guide rail are located on the same radial direction of the C-shaped guide rail and on the same side of the central axis of the C-shaped guide rail.
  7. 7. The method according to claim 6, wherein the three designated positions are located in the same radial direction as positions where the treatment head (102) rotates at 0 °, 90 ° and 180 °, respectively, where n=3.
  8. 8. The method for adjusting the rotation center of the C-shaped inner frame according to claim 1, wherein the preset expansion and contraction amounts are 0cm, 3cm, 6cm, 9cm, 12cm, 15cm, 18cm, 21cm, 24cm, 27cm and 30cm, respectively.
  9. 9. The method of adjusting a center of rotation of a C-shaped internal housing of claim 1, wherein adjusting a position of a treatment head (102) relative to a C-shaped housing (101) of the C-shaped internal housing comprises:
    a gasket is additionally arranged between the contact surface of the circumferential side wall of the C-shaped guide rail and the treatment head (102).
  10. 10. The method for adjusting the rotation center of a C-shaped inner frame according to claim 9, wherein a thickness difference between two adjacent sets of shims distributed along the circumferential direction of the C-shaped guide rail is not more than 0.02mm.
  11. 11. The method for debugging the rotation center of a C-type inner frame according to any one of claims 1 to 10, wherein the preset runout error range is ±0.25mm.
  12. 12. The method for debugging the center of rotation of a C-shaped internal frame according to any one of claims 1 to 10, further comprising, prior to step 1:
    and measuring the levelness of the C-shaped inner frame mounting structure, and fixing the C-shaped inner frame mounting structure on the ground through expansion screws when the levelness is within a preset levelness range.
  13. 13. The method of claim 12, wherein when the levelness is not within the preset levelness range, a pad is added or removed between the lower surface of the C-shaped inner frame mounting structure and the ground until the levelness is within the preset levelness range.
  14. A C-shaped inner frame mounting structure, characterized in that when the C-shaped inner frame is mounted to the C-shaped inner frame mounting structure, the rotation center of the C-shaped inner frame is adjusted by the C-shaped inner frame rotation center adjustment method according to any one of claims 1 to 13;
    the C-shaped inner frame mounting structure comprises:
    the device comprises a first mounting plate (1), wherein the first mounting plate (1) is provided with a first mounting hole (11) corresponding to a first reserved hole at the lower part of a C-shaped rack (101) of the C-shaped inner rack, and the first mounting plate is used for fixing the lower part of the C-shaped rack (101) of the C-shaped inner rack through a first thread adjusting piece;
    the second mounting plate (2), the second mounting plate (2) is located above the first mounting plate (1), a second mounting hole (21) corresponding to a second reserved hole on the clamping table (103) on the upper part of the C-shaped inner rack is formed in the second mounting plate (2), and the second mounting hole (21) is used for fixing the clamping table (103) on the upper part of the C-shaped inner rack through a second threaded adjusting piece;
    the first mounting holes (11) and/or the second mounting holes (21) are waist-shaped holes, and the apertures of the first mounting holes (11) and the second mounting holes (21) are respectively larger than the outer diameters of corresponding threaded adjusting pieces, so that the C-shaped inner rack can move and rotate relative to the C-shaped inner rack mounting structure.
  15. 15. The C-type internal frame mounting structure of claim 14, further comprising:
    the connecting frame (3), first mounting panel (1) is located one side of connecting frame (3), and one end fixed connection in the lower part of connecting frame (3), second mounting panel (2) fixed connection in the upper portion of connecting frame (3).
  16. 16. The C-type internal frame mounting structure of claim 15, further comprising:
    the debugging board (4), debugging board (4) fixed connection in link (3), the upper surface of debugging board (4) is the plane for place the spirit level in order to measure the levelness of debugging board (4) upper surface.
CN202110886296.1A 2021-08-03 2021-08-03 C-shaped inner frame rotation center debugging method and C-shaped inner frame mounting structure Active CN113624132B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110886296.1A CN113624132B (en) 2021-08-03 2021-08-03 C-shaped inner frame rotation center debugging method and C-shaped inner frame mounting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110886296.1A CN113624132B (en) 2021-08-03 2021-08-03 C-shaped inner frame rotation center debugging method and C-shaped inner frame mounting structure

Publications (2)

Publication Number Publication Date
CN113624132A CN113624132A (en) 2021-11-09
CN113624132B true CN113624132B (en) 2023-06-30

Family

ID=78382446

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110886296.1A Active CN113624132B (en) 2021-08-03 2021-08-03 C-shaped inner frame rotation center debugging method and C-shaped inner frame mounting structure

Country Status (1)

Country Link
CN (1) CN113624132B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114504335B (en) * 2021-12-24 2024-06-21 纳米维景(上海)医疗科技有限公司 CT machine bulb tube positioning correction method, storage medium and terminal equipment

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61195302A (en) * 1985-02-25 1986-08-29 Nissan Motor Co Ltd Surface inspection device
CN1645043A (en) * 2005-01-21 2005-07-27 天津大学 Automatic measuring system for wall thickness and size error of workpiece
CN102485628A (en) * 2010-12-02 2012-06-06 上海三菱电梯有限公司 Passenger transporting device without metal truss structure as well as installation method and installation tool thereof
CN205280210U (en) * 2015-12-24 2016-06-01 中国电子科技集团公司第四十一研究所 High accuracy rotary positioning device under vacuum
CN208391151U (en) * 2018-05-18 2019-01-18 亨内基机械（上海）有限公司 A kind of band saw device reciprocally cutting composite laminboard
CN208712571U (en) * 2018-07-31 2019-04-09 苏州意多运动科技有限公司 A kind of bicycle tune circle platform structure
CN109771847A (en) * 2019-01-30 2019-05-21 张文山 A kind of novel solid directional radiotherapy eutical system
CN208907799U (en) * 2018-09-28 2019-05-28 扬州市顺达科技有限公司 A kind of mechanical equipment belt pulley circle bounce special inspecting equipment
CN113118266A (en) * 2021-04-13 2021-07-16 江阴市宏业机械制造有限公司 Numerical control pipe bender capable of dynamically correcting hole positions through visual detection and pipe bending method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61195302A (en) * 1985-02-25 1986-08-29 Nissan Motor Co Ltd Surface inspection device
CN1645043A (en) * 2005-01-21 2005-07-27 天津大学 Automatic measuring system for wall thickness and size error of workpiece
CN102485628A (en) * 2010-12-02 2012-06-06 上海三菱电梯有限公司 Passenger transporting device without metal truss structure as well as installation method and installation tool thereof
CN205280210U (en) * 2015-12-24 2016-06-01 中国电子科技集团公司第四十一研究所 High accuracy rotary positioning device under vacuum
CN208391151U (en) * 2018-05-18 2019-01-18 亨内基机械（上海）有限公司 A kind of band saw device reciprocally cutting composite laminboard
CN208712571U (en) * 2018-07-31 2019-04-09 苏州意多运动科技有限公司 A kind of bicycle tune circle platform structure
CN208907799U (en) * 2018-09-28 2019-05-28 扬州市顺达科技有限公司 A kind of mechanical equipment belt pulley circle bounce special inspecting equipment
CN109771847A (en) * 2019-01-30 2019-05-21 张文山 A kind of novel solid directional radiotherapy eutical system
CN113118266A (en) * 2021-04-13 2021-07-16 江阴市宏业机械制造有限公司 Numerical control pipe bender capable of dynamically correcting hole positions through visual detection and pipe bending method

Also Published As

Publication number Publication date
CN113624132A (en) 2021-11-09

Similar Documents

Publication Publication Date Title
US8836940B2 (en) Test apparatus for liquid crystal display
CN106931915A (en) A kind of measuring system and measuring method of five-axis machine tool translation axis error
CN101915562B (en) Calibrating device for tilt angle sensor
CN113624132B (en) C-shaped inner frame rotation center debugging method and C-shaped inner frame mounting structure
CN113546335A (en) Isocenter debugging device and method for debugging isocenter of linear accelerator
CN202547561U (en) Device for detecting center distance of automobile thrust rod
CN207741725U (en) Height measuring device and measuring system
CN103776354B (en) Concentric detector
CN215458107U (en) C-shaped inner rack mounting structure and C-shaped inner rack mounting and debugging system
CN109551520B (en) High-efficiency six-degree-of-freedom parallel robot precision testing device
CN108469226B (en) On-site calibration device of plumb line coordinatograph
CN204535989U (en) Overlength basic rack high precision installs detent mechanism
KR102426629B1 (en) Wavefront error measuring device of off-axis optical equipment
CN202692966U (en) Column-type hand-operated SMT screen thickness measuring device
CN215371962U (en) Angle adjusting support
CN213543454U (en) Cylindrical part deflection detection device
CN209515205U (en) A kind of centralising device
CN107834158B (en) Combined OMT measurement assembly device and assembly method thereof
CN108735328B (en) Mounting collimation device and mounting collimation method for quadrupole lens on proton beam line
CN106514526A (en) Clamping system and method of bogie framework
CN216247126U (en) Optical testing device
CN216770526U (en) Multipurpose indoor baseline standard device
CN117760298A (en) Device and method for detecting parallelism of spindle box
CN213748183U (en) Measuring equipment
CN220137193U (en) Angle adjusting mechanism for antenna and position adjusting mechanism thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant