CN210603301U - EMUs skirtboard support auxiliary positioning device - Google Patents
EMUs skirtboard support auxiliary positioning device Download PDFInfo
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- CN210603301U CN210603301U CN201921624634.9U CN201921624634U CN210603301U CN 210603301 U CN210603301 U CN 210603301U CN 201921624634 U CN201921624634 U CN 201921624634U CN 210603301 U CN210603301 U CN 210603301U
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Abstract
The device comprises a horizontal reference seat, a bubble level meter, two horizontal sliding block devices, a T-shaped sliding groove center line positioning mechanism, a linear laser and a laser range finder, wherein a base horizontal sliding groove in the Y-axis direction is formed in the right side of the upper end surface of the horizontal reference seat, and a base vertical through hole in the vertical Z-axis direction is formed in the left side of the upper end surface of the horizontal reference seat; the two horizontal sliding block devices are both connected with the horizontal sliding chute of the base in a sliding manner; the linear laser and the laser range finder are respectively connected with the right side of the upper end surface of the horizontal reference seat in a sliding manner through a corresponding horizontal sliding block device in a mode that the optical axis is vertically upward; the middle section of the T-shaped sliding chute center line positioning mechanism is coaxially and fixedly connected with the vertical through hole of the base. The utility model discloses can not only break away from the reliance of old mapping method to lockhole B point, more can avoid the heavy work of artifical setting-out, avoid rocking easily because of the plummet plumb line and be difficult for the location and introduce measuring error's old problem.
Description
Technical Field
The utility model belongs to the technical field of rail passenger train skirtboard support location, concretely relates to EMUs skirtboard support auxiliary positioning device.
Background
As shown in figures 1 and 2, the cross section of a car body chassis of a railway passenger car such as a motor train unit and the like is divided into a left part and a right part in a mirror symmetry mode by taking a vertical Z axis as a symmetrical center line K0, according to the size of a standard drawing, a theoretical distance from the lower end face of a steel structure 1 to the upper end face of a bottom plate 2 is H7., an apron plate support 3 comprises a slide rail body 3-1 with a rectangular cross section outline and an apron plate hinged shaft seat 3-3 with an included angle of α with the horizontal plane at the upper end of the slide rail body 3-1, a T-shaped sliding groove 3-2 is arranged in the middle of the upper end face of the rectangular slide rail body 3-1, the theoretical size value from the side wall of the apron plate support 3 to the vertical Z axis is L3, an apron plate 4 is an obliquely-mounted arc-shaped wall plate, the highest end point A of the apron plate 3-3 is rotatably connected with the lower end of the hinge shaft seat 4, the apron plate 4 is fixedly connected with the upper end point B of the lower end face of the steel structure 1, the upper end point of the T-shaped sliding groove 3-2, the T-shaped horizontal groove has a 2 width, the height is H2, the end point of the upper end point of the apron plate 3-2 is the theoretical bottom plate 3, the theoretical bottom plate 3-3, the theoretical bottom plate is fixedly connected with the old hinge shaft seat, the old hinge shaft seat 3, the old hinge shaft seat 3, the old hinge end face of the old hinge shaft seat is fixedly connected with the old.
As shown in fig. 3, the existing positioning process for the skirt support 3 comprises the following steps:
the method comprises the following steps: determining the vertical center line of the steel structure 1 by using a ruler measurement scribing method, and marking the vertical center line as a vertical Z axis by using a plumb bob vertical line method drawing line;
secondly, lifting the apron board bracket 3 from the bottom board 2 to an unfixed height value △ T by using a lifting trolley (not shown) or an auxiliary mounting rack (not shown) with adjustable position;
the old step three: on the premise of assuming that the structural size of the apron plate support 3 completely meets the theoretical size of a drawing, measuring the actual distance value from the side wall of the apron plate support 3 to the Z axis by using conventional marking methods such as a ruler, a pull wire and the like, and fixing the apron plate support 3 in the horizontal Y axis direction when the value is equal to L3, thereby simultaneously determining the actual horizontal position of the highest endpoint A of the apron plate hinge shaft seat 3-3;
the prior step four: according to the theoretical drawing size Y (B) of the point B of the lockhole, actually measuring by using a conventional marking method, and marking the actual position of the point B of the lockhole on the lower end surface of the steel structure 1 by using a marker pen;
setting the theoretical projection point of the highest endpoint A of the apron board hinge shaft seat 3-3 on the lower end surface of the steel structure 1 as a point C, calculating the horizontal Y-direction theoretical length value of a line segment BC according to a cosine trigonometric function, and marking the actual position of the point C on the lower end surface of the steel structure 1 by using a marker pen, wherein the horizontal Y-direction theoretical length value L5 of the line segment BC is L0 multiplied by cos α 2;
calculating the vertical height value H3 of the line segment AC as L0 multiplied by sin α 2 according to the sine trigonometric function;
the old step six: placing a plumb line K1 at the position of the point C, and then actually measuring the length of H3 downwards on the plumb line K1 from the starting point of the point C and drawing a mark as an actual height reference point of the point A;
and seventhly, readjusting the lifting height value △ T of the apron plate support 3 from the bottom plate 2 through the lifting trolley or the auxiliary mounting rack with the adjustable position in the first step, so that the height of the plumb bob at the highest end point A of the plate hinge shaft seat 3-3 is coincident with the actual height reference point of the point A in the sixth step, thereby determining the actual height of the point A and fixing the relative positions of the apron plate support 3 and the bottom plate 2.
However, the method for determining the actual horizontal position of the point a in the old step three is further implemented on the premise that the structural size of the skirt support 3 completely conforms to the theoretical size of the drawing, but in actual work, under the interference of manufacturing accuracy and human measurement errors, the horizontal position of the highest end point a obtained based on the distance value L3 from the side wall of the skirt support 3 to the Z axis and the theoretical size y (a) value of the drawing of the highest end point a have positioning errors, which all cause poor accuracy of the old positioning method of the skirt support 3, and accordingly, after the rotary connection between the highest end point a of the skirt support 3-3 and the skirt plate 4 is completed, the top end of the skirt plate 4 often cannot be assembled with the lock hole B, even the upper edge of the skirt plate 4 is far away from the frame of the skirt plate sealed cabin, and the requirements of vehicle body aesthetics and sealing cannot be met.
On the other hand, the conventional apron board support positioning process comprises a large number of manual surveying and mapping processes of measuring and marking lines and arranging plumb bob plumb lines, the manual surveying and mapping processes are more in introduced human errors, the labor intensity of work is high, especially, the trigonometric function measuring and calculating process of placing the plumb bob plumb line K1 at the position of the C point in the old step five is adopted, the solving process is complicated, the actual measurement is completely established on the suspended and easily-swinging plumb bob line, the surveying and mapping process is difficult to implement, the result accuracy is poor, and the operation efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the mapping method that current EMUs skirtboard support positioning method adopted and to contain a large amount of measurement marking lines, arrange the manual mapping process of plumb bob plumb line, the human error that it introduced is more, and rigorous and science inadequately to and the trigonometric function measurement calculation process that it contained is loaded down with trivial details, and the human error of introducing is more, leads to this old skirtboard support positioning method mapping process to implement the difficulty, and intensity of labour is high, and positioning accuracy is poor, the technical problem of operating efficiency low, the utility model provides a EMUs skirtboard support auxiliary positioning device.
The utility model provides a technical scheme as follows that technical problem took:
EMUs skirtboard support auxiliary positioning device, it includes: the device comprises a horizontal reference seat, a bubble level meter, two horizontal sliding block devices, a T-shaped chute center line positioning mechanism, a linear laser and a laser range finder, wherein a base horizontal chute in the Y-axis direction is arranged on the right side of the upper end surface of the horizontal reference seat, and a base vertical through hole in the vertical Z-axis direction is arranged on the left side of the upper end surface of the horizontal reference seat; the two horizontal sliding block devices are both connected with the horizontal sliding chute of the base in a sliding manner; the linear laser and the laser range finder are respectively connected with the right side of the upper end surface of the horizontal reference seat in a sliding manner through a corresponding horizontal sliding block device in a mode that the optical axis is vertically upward; the middle section of the T-shaped sliding chute center line positioning mechanism is coaxially and fixedly connected with the vertical through hole of the base.
The T-shaped chute center line positioning mechanism comprises a butterfly nut, a compression bolt, a spring, a reference seat height positioning sleeve, a chute center line positioning rod and a T-shaped groove positioning slide block; the chute center line positioning rod comprises a screw rod and a polished rod which are coaxially and integrally formed; the lower end of the polish rod is vertically and fixedly connected with the center of the upper end surface of the T-shaped groove positioning slide block;
the total height value of the reference seat height positioning sleeve is H1, the inner diameter is d4, the top end of the reference seat height positioning sleeve is provided with an end cover, and the center of the end cover is provided with an end cover center hole with the diameter of d 3; the bottom of the reference seat height positioning sleeve is a through hole without an end cover, but the outer part of the lower end of the reference seat height positioning sleeve is provided with a snap ring with the outer diameter d 5;
the reference seat height positioning sleeve and the spring are coaxially sleeved on the polished rod, and the middle section and the upper section of the spring are inserted into the reference seat height positioning sleeve; the screw rod penetrates out of the central hole of the end cover upwards, the compression bolt is in threaded connection with the middle-upper section of the screw rod, a butterfly nut installation boss with external threads is arranged at the top end of the screw rod, and the butterfly nut is in threaded connection with and locked with the butterfly nut installation boss; a polish rod positioned at the lower end of the screw rod penetrates through the vertical through hole of the base and is in sliding connection with the vertical through hole; the upper end surface of the datum level height positioning sleeve is attached to the end surface of the horizontal datum level below the vertical through hole of the base, and the lower end surface of the compression bolt is attached to the end surface of the horizontal datum level above the vertical through hole of the base.
The T-shaped groove positioning sliding block is a rectangular block with the vertical height value of H2, the length of d1 and the width of d2, the length value d1 of the rectangular block is larger than L1 and smaller than L2, and the width value d2 of the rectangular block is smaller than L1; the outer diameter value of the clamping ring is d5, and d5 is larger than L1; the outer diameter value d6 of the spring is less than L1; the vertical height H4 of the horizontal reference seat is equal to one quarter of the vertical height H3 of the line segment AC.
The horizontal reference seat is a rectangular square steel pipe which is horizontally placed, and the direction which is along the horizontal extension direction of the square steel pipe and points to the laser range finder from the vertical through hole of the base is set to be the positive direction of the Y axis; the upward direction of the axis of the vertical through hole of the base is set as the positive direction of the Z axis; the horizontal sliding block device is a sliding block or a magnet sliding block locked by a bolt; the linear laser plane M of the linear laser is perpendicular to the Y axis and projects upwards vertically, the projection direction of the laser range finder is upwards vertically, and the ranging zero datum line of the laser range finder is coplanar with the upper end face of the horizontal reference seat.
The utility model has the advantages that: according to the auxiliary positioning device for the skirting board support of the motor train unit, the upper horizontal end face and the lower horizontal end face of a horizontal base seat with a preset thickness value are used as reference planes of a brand-new surveying and mapping horizontal plane. The T-shaped chute center line positioning mechanism is vertically and fixedly connected with one end of the horizontal reference seat, the linear laser is vertically and fixedly connected with the other end of the horizontal reference seat, and the linear laser and the horizontal reference seat are arranged according to a given length value; the optical axis of the linear laser is parallel to the vertical rotation axis of the T-shaped chute center line positioning mechanism, and the linear laser plane M projected by the linear laser is perpendicular to the side wall and the bottom surface of the horizontal reference seat, so that the linear laser is used as the conversion reference of a three-axis rectangular coordinate system. The T-shaped chute center line positioning mechanism with the spring inside can be vertically locked in the T-shaped chute through the T-shaped chute positioning slide block, the rotation axis of the T-shaped chute center line positioning mechanism is overlapped with the center line vertical plane of the bottom surface of the T-shaped chute, and then the horizontal position positioning reference of the T-shaped chute is converted into the rotation axis of the T-shaped chute center line positioning mechanism. The reference seat height positioning sleeve is used for enabling the distance value between the horizontal reference seat and the sliding rail body to be in accordance with the vertical Z-axis theoretical height value of the highest endpoint A of the apron board hinge shaft seat. This skirtboard support auxiliary positioning device can make whole skirtboard support can with the highest extreme point A that keeps the skirtboard hinge seat with horizontal reference seat terminal surface all the time the gesture with the utility model discloses a EMUs skirtboard support auxiliary positioning device links firmly and becomes a whole reference seat G that has the skirtboard support to for utilizing the unchangeable trigonometric function principle optimization of two right angle limit lengths and improving the survey and drawing means, provide the prerequisite. The bubble level meter is used for assisting the horizontal reference base to realize the quick horizontal calibration of the upper end surface and the lower end surface of the horizontal reference base, the linear laser plane M of the linear laser is perpendicular to the Y axis and projects vertically upwards, and a linear projection light bar is formed on the lower end surface of a steel structure, so that the linear laser plane M can be used as a new position reference datum line, the laser range finder can realize the real-time measurement and display of an actual vertical height difference value at any Y axis horizontal position, the laser range finder can be used for replacing the traditional line drawing plummet to implement non-contact remote linear measurement, the dependence of an old surveying and mapping method on a lockhole B point can be avoided, the heavy labor of manual line drawing can be avoided, and the old problem that the measuring error is introduced due to the.
Drawings
FIG. 1 is a schematic structural diagram of a cross section of a conventional underframe of a vehicle body, and a position relationship between an apron plate bracket and an apron plate;
FIG. 2 is a cross-sectional structural schematic view of a prior art apron support;
FIG. 3 is a schematic view of the old skirt panel bracket positioning process;
FIG. 4 is a schematic diagram of the positioning of the skirting board bracket by using the auxiliary positioning device for the skirting board bracket of the motor train unit of the present invention;
FIG. 5 is a schematic structural view of the auxiliary positioning device for the skirting board bracket of the motor train unit of the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of the auxiliary positioning device for the skirting board bracket of the motor train unit of the present invention;
fig. 7 is an exploded assembly view of the T-shaped chute centerline positioning mechanism of the present invention;
fig. 8 is a schematic perspective view of a T-shaped chute centerline positioning mechanism in the present invention;
fig. 9 is an axial cross-sectional view of a datum level locating sleeve according to the present invention;
FIG. 10 is a schematic view of the auxiliary positioning device for the skirting board bracket of the motor train unit according to the present invention in initial connection with the skirting board bracket;
fig. 11 is a schematic view of the positioning principle of the integrated reference seat with the apron plate bracket according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 5 to 9, the utility model discloses a EMUs skirtboard support auxiliary positioning device includes: the device comprises a horizontal reference seat 5, a bubble level meter 6, two horizontal sliding block devices 7, a T-shaped chute center line positioning mechanism 8, a linear laser 9 and a laser range finder 10, wherein a base horizontal chute 5-1 along the Y-axis direction is arranged on the right side of the upper end surface of the horizontal reference seat 5, and a base vertical through hole 5-2 along the vertical Z-axis direction is arranged on the left side of the upper end surface of the horizontal reference seat 5; the two horizontal sliding block devices 7 are both in sliding connection with the horizontal sliding groove 5-1 of the base; the linear laser 9 and the laser range finder 10 are respectively connected with the right side of the upper end surface of the horizontal reference seat 5 in a sliding way through a corresponding horizontal sliding block device 7 in a mode that the optical axis is vertically upward; the middle section of the T-shaped chute central line positioning mechanism 8 is coaxially and fixedly connected with the base vertical through hole 5-2.
The T-shaped chute center line positioning mechanism 8 comprises a butterfly nut 8-1, a compression bolt 8-2, a spring 8-3, a reference seat height positioning sleeve 8-4, a chute center line positioning rod 8-5 and a T-shaped groove positioning slide block 8-6; the chute center line positioning rod 8-5 comprises a screw 8-5-1 and a polish rod 8-5-2 which are coaxially and integrally formed; the lower end of the polish rod 8-5-2 is vertically and fixedly connected with the center of the upper end surface of the T-shaped groove positioning slide block 8-6; the total height value of the reference seat height positioning sleeve 8-4 is H1, the inner diameter is d4, the top end of the reference seat height positioning sleeve is provided with an end cover 8-4-1, and the center of the end cover 8-4-1 is provided with an end cover center hole with the diameter of d 3; the bottom of the reference seat height positioning sleeve 8-4 is a through hole without an end cover, but a snap ring 8-4-2 with the outer diameter of d5 is arranged outside the lower end of the reference seat height positioning sleeve 8-4; the reference seat height positioning sleeve 8-4 and the spring 8-3 are coaxially sleeved on the polish rod 8-5-2, and the middle section and the upper section of the spring 8-3 are inserted into the reference seat height positioning sleeve 8-4; the screw 8-5-1 penetrates out of the central hole of the end cover 8-4-1 upwards, the compression bolt 8-2 is in threaded connection with the middle-upper section of the screw 8-5-1, the top end of the screw 8-5-1 is provided with a butterfly nut mounting boss with external threads, and the butterfly nut 8-1 is in threaded connection with and locked with the butterfly nut mounting boss; a polish rod 8-5-2 positioned at the lower end of the screw rod 8-5-1 penetrates through the vertical through hole 5-2 of the base and is in sliding connection with the vertical through hole; the upper end face of the reference seat height positioning sleeve 8-4 is attached to the end face of the horizontal reference seat 5 below the base vertical through hole 5-2, and the lower end face of the compression bolt 8-2 is attached to the end face of the horizontal reference seat 5 above the base vertical through hole 5-2.
The T-shaped groove positioning sliding block 8-6 is a rectangular block with the vertical height value of H2, the length of d1 and the width of d2, the length value d1 of the rectangular block is larger than L1 and smaller than L2, and the width value d2 of the rectangular block is smaller than L1; the outer diameter value of the snap ring 8-4-2 is d5, and d5 is larger than L1; the outer diameter value d6 of the spring 8-3 is smaller than L1; the vertical height H4 of the horizontal reference seat 5 is equal to one quarter of the vertical height H3 of the line segment AC.
The horizontal reference base 5 is a rectangular square steel pipe which is horizontally placed, and the direction which is along the horizontal extension direction of the square steel pipe and points to the laser range finder 10 from the vertical through hole 5-2 of the base is set to be the positive direction of the Y axis; the upward direction of the axis of the vertical through hole 5-2 of the base is set as the positive direction of the Z axis; the horizontal sliding block device 7 is a sliding block locked by a bolt or a magnet sliding block; the linear laser plane M of the linear laser 9 is perpendicular to the Y axis and projects vertically upwards, the projecting direction of the laser range finder 10 projects vertically upwards, and the ranging zero reference line of the laser range finder is coplanar with the upper end face of the horizontal reference base 5.
Utilize the utility model discloses EMUs skirtboard support auxiliary positioning device's positioning method, it includes following step:
the method comprises the following steps: solving an abscissa value Y (F) of the first reference perpendicular F on the horizontal Y axis on a standard drawing, which specifically comprises the following substeps:
step 1.1: as shown in fig. 4, a horizontal theoretical length value y (a) from the highest end point a of the apron plate hinge seat 3-3 to the symmetrical center line K0 and a horizontal theoretical length value y (B) from the point B of the lock hole to the symmetrical center line K0 are respectively obtained from a standard drawing;
step 1.2: assuming that the line segment a 'B is a projection component of the line segment AB in the horizontal direction parallel to the Y axis, and the perpendicular bisector of the line segment a' B is the first reference perpendicular F, an abscissa value Y (F) of the first reference perpendicular F in the horizontal Y axis can be calculated by the following formula:
step two: solving the length value of the first reference horizontal distance L4 on a standard drawing, which specifically comprises the following sub-steps:
step 2.1: as shown in fig. 4, a horizontal theoretical abscissa value y (E) of the slot center line E of the T-shaped chute 3-2 is measured and obtained from a standard drawing;
step 2.2: the length value of the first reference horizontal distance L4 is calculated by the following formula:
L4＝Y(F)-Y(E)……(2)
step three: the length value of the second reference horizontal distance L6 is solved according to the following equation:
step four: right the utility model discloses a EMUs skirtboard support auxiliary positioning device carries out the parameter setting, and it includes following step:
step 4.1: adjusting the horizontal sliding block device 7 below the linear laser 9 in the horizontal sliding groove 5-1 of the base along the Y-axis direction, enabling the horizontal distance value from the linear laser plane M of the linear laser 9 to the axis of the horizontal sliding groove 5-1 of the base to be equal to the first reference horizontal distance L4 obtained in the step two, and fixing the relative position of the horizontal sliding block device 7 below the linear laser 9 and the horizontal sliding groove 5-1 of the base;
step 4.2: adjusting another horizontal sliding block device 7 below the laser range finder 10 in the horizontal sliding groove 5-1 of the base along the Y-axis direction, and enabling the horizontal distance value between the ranging optical axis N of the laser range finder 10 and the linear laser plane M of the linear laser 9 to be equal to the second reference horizontal distance L6 obtained in the third step; then fixing the relative position of the horizontal sliding block device 7 below the laser range finder 10 and the horizontal sliding chute 5-1 of the base;
as shown in fig. 10 and 11, step five: finishing the preliminary connection of the motor train unit apron plate bracket auxiliary positioning device and the apron plate bracket, and specifically comprising the following steps of:
step 5.1: arranging the T-shaped chute 3-2 in parallel to the horizontal X-axis direction, and supporting the highest endpoint A of the apron board hinge shaft seat 3-3 at the middle section of the lower end surface of the horizontal reference seat 5;
step 5.2: the long edge of the rectangular block of the T-shaped groove positioning slide block 8-6 is parallel to the extending direction of the opening of the T-shaped sliding groove 3-2, and the T-shaped groove positioning slide block 8-6 is inserted into the bottom of the T-shaped sliding groove 3-2;
step 5.3: a middle line positioning rod 8-5 of the sliding chute is rotated by 90 degrees through a butterfly nut 8-1, so that the long edge of a rectangular block of a T-shaped groove positioning sliding block 8-6 is perpendicular to the slotting extension direction of the T-shaped sliding chute 3-2, and the upper end surface of the T-shaped groove positioning sliding block 8-6 is vertically limited by the lower end surface of the opening part of the T-shaped sliding chute 3-2; at the moment, a vertical plane passing through a slotting central line E of the T-shaped chute 3-2 just passes through a rotating axis of the T-shaped chute central line positioning mechanism 8;
step six: the T-shaped chute 3-2 is fastened, connected and suspended by the T-shaped chute center line positioning mechanism 8, and the specific method comprises the following steps: the compression bolt 8-2 is rotated downwards along the screw rod 8-5-1, so that the compression bolt 8-2 applies axial fastening pressure along the chute center line positioning rod 8-5 to the upper end surface of the horizontal reference seat 5, and the fastening pressure is transmitted to the reference seat height positioning sleeve 8-4 through the lower end surface of the horizontal reference seat 5 and forces the lower end surface of the clamping ring 8-4-2 to be tightly attached to the upper end surface of the notch of the T-shaped chute 3-2 due to the sliding connection of the base vertical through hole 5-2 and the polish rod 8-5-2; in the process, the upper end of the spring 8-3 is stressed by the pressure of the end cover 8-4-1 and is shortened from the initial free length, the lower end of the spring 8-3 is inserted into the T-shaped sliding groove 3-2 and transmits the fastening pressure to the upper end surface of the T-shaped groove positioning sliding block 8-6, so that the static friction force between the lower end surface of the T-shaped groove positioning sliding block 8-6 and the bottom surface of the T-shaped sliding groove 3-2 is increased, the T-shaped groove positioning sliding block and the T-shaped sliding groove are fixedly connected, and the T-shaped sliding groove central line positioning mechanism 8 is completely fixed in the T-shaped sliding groove 3-2; the fixing connection mode enables the apron board support 3 to be hoisted and moved along with the T-shaped chute central line positioning mechanism 8, ensures that the relative positions among the whole apron board support 3, the horizontal reference seat 5 and the T-shaped chute central line positioning mechanism 8 are fixed and unchanged, and further enables the whole apron board support 3 to be capable of keeping the posture that the highest end point A of the apron board hinge seat 3-3 is supported on the lower end face of the horizontal reference seat 5, and the apron board support auxiliary positioning device of the motor train unit is fixedly connected with the apron board support auxiliary positioning device to form an integral reference seat G with an apron board support; in addition, the height difference between the lower end surface of the horizontal reference seat 5 and the rectangular sliding rail body 3-1 can be just ensured to meet the requirement of the theoretical size of the drawing by the reference seat height positioning sleeve 8-4 with the total height value of H1;
step seven: and sixthly, positioning the integral reference seat G with the apron plate support in the Y-axis horizontal direction, wherein the positioning method specifically comprises the following steps:
step 7.1: measuring the known length value Y (F) in the step 1.2 along the horizontal Y-axis direction on the lower end surface of the steel structure 1 by taking the symmetrical center line K0 of the cross section of the underframe of the car body as a starting point, and drawing a marking line m along the horizontal X-axis direction at the end point of the measured distance by using a marking pen so as to determine the horizontal position of the first reference vertical line F;
step 7.2: starting the linear laser 9 to vertically project a linear laser plane M upwards, and enabling the linear laser plane M to form a linear projection light bar on the lower end face of the steel structure 1;
step 7.3: moving the integral base G with the apron plate bracket in the sixth step along the horizontal Y-axis direction, and enabling a linear projection light bar formed by the linear laser plane M on the lower end surface of the steel structure 1 to coincide with the marking line M along the horizontal X-axis direction in the step 7.1, so that the distance value from the linear laser plane M to the symmetrical center line K0 of the cross section of the car body chassis is equal to the abscissa value Y (F) of the first vertical reference line F on the horizontal Y-axis in the step 1.2; since the horizontal distance value from the linear laser plane M to the axis of the horizontal chute 5-1 of the base is equal to the first reference horizontal distance L4 obtained in the second step, it can be known from formula 2 that the distance from the axis of the horizontal chute 5-1 of the base and the rotation axis of the center line positioning mechanism 8 of the T-shaped chute to the symmetrical center line K0 of the cross section of the underframe of the car body is exactly the horizontal theoretical abscissa value Y (E) of the central line E of the slot of the T-shaped chute 3-2, and thus the distance from the central line E of the slot of the T-shaped chute 3-2 to the symmetrical center line K0 of the cross section of the underframe of the car body is exactly the horizontal theoretical abscissa value Y (E) of the central line E of the slot of the T-shaped chute 3-2, thereby realizing the quick positioning of the apron board bracket 3 and the highest end point A;
step eight: the positioning of the integral reference seat G with the apron plate support in the Z-axis vertical direction is completed, and the method specifically comprises the following steps:
8.1, under the premise of keeping the position of the horizontal Y-axis direction unchanged, lifting the apron board bracket 3 to a height value of △ T1 from the bottom board 2 by using a lifting trolley or an auxiliary mounting rack (not shown) with adjustable position, wherein △ T1 is less than or equal to △ T;
step 8.2: observing the bubble level meter 6, and adjusting the levelness of the horizontal reference seat 5 at a supporting point by taking the highest endpoint A of the apron board hinge shaft seat 3-3 as a rotating shaft until the upper end surface of the horizontal reference seat 5 is parallel to a horizontal Y axis;
step 8.3: starting the laser range finder 10 to measure the actual vertical height difference between the upper end surface of the horizontal reference base 5 and the lower end surface of the steel structure 1 along the optical axis N in the vertical Z-axis direction, and displaying the measurement reading of the actual vertical height difference in real time through a laterally arranged display screen;
step 8.4: setting a vertical reference height H5 such that the vertical reference height H5 is equal to three-quarters of the vertical height H3 of the segment AC;
step 8.5: adjusting the vertical height of the integral base G with the apron board support along the vertical Z-axis direction by using a lifting trolley or an auxiliary mounting rack with adjustable position until the actual vertical height difference of the laser range finder 10 in the step 8.3 is the same as the reference height value H5 in the step 8.4; so that the actual vertical distance value from the highest endpoint A of the apron board hinge seat 3-3 positioned on the lower end surface of the horizontal reference seat 5 to the lower end surface of the steel structure 1 is just equal to the vertical height value H3 of the vertical projection line segment AC of the line segment AB on the theoretical dimension of the drawing;
step nine: remove lift dolly or position adjustable auxiliary erection frame behind apron support 3's below additional height control gasket to conventional welding mode removes apron support 3 and bottom plate 2 welded fastening from apron support 3 again the utility model discloses a EMUs apron support auxiliary positioning device has accomplished apron support 3's positioning process promptly.
Specific application the utility model discloses a during EMUs skirtboard support assistance-localization real-time device, choose myantenna ferris tablet M1 type laser range finder 10 for use to with arranging on the lateral wall of horizontal reference seat 5 of the display element of laser range finder 10. Bubble level meter 6 produced by constant water Boqiang precision water instrument Limited
The type level bubble and the linear laser 9 can be conventional linear lasers, and can also be FU63511C10-BD22 type cross lasers produced by Shenzhen Ji science and technology Limited.
Claims (4)
1. EMUs skirtboard support auxiliary positioning device, its characterized in that: the device comprises a horizontal reference seat (5), a bubble level meter (6), two horizontal sliding block devices (7), a T-shaped chute center line positioning mechanism (8), a linear laser (9) and a laser range finder (10), wherein a base horizontal chute (5-1) along the Y-axis direction is arranged on the right side of the upper end surface of the horizontal reference seat (5), and a base vertical through hole (5-2) along the vertical Z-axis direction is arranged on the left side of the upper end surface of the horizontal reference seat (5); the two horizontal sliding block devices (7) are both in sliding connection with the horizontal sliding groove (5-1) of the base; the linear laser (9) and the laser range finder (10) are respectively connected with the right side of the upper end surface of the horizontal reference seat (5) in a sliding way through a corresponding horizontal sliding block device (7) in a mode that the optical axis is vertically upward; the middle section of the T-shaped chute center line positioning mechanism (8) is coaxially and fixedly connected with the vertical through hole (5-2) of the base.
2. The EMUs skirting support auxiliary positioning device of claim 1, characterized in that: the T-shaped chute center line positioning mechanism (8) comprises a butterfly nut (8-1), a compression bolt (8-2), a spring (8-3), a reference seat height positioning sleeve (8-4), a chute center line positioning rod (8-5) and a T-shaped chute positioning slide block (8-6); the chute center line positioning rod (8-5) comprises a screw rod (8-5-1) and a polish rod (8-5-2) which are coaxially and integrally formed; the lower end of the polish rod (8-5-2) is vertically and fixedly connected with the center of the upper end surface of the T-shaped groove positioning slide block (8-6);
the total height value of the reference seat height positioning sleeve (8-4) is H1, the inner diameter is d4, the top end of the reference seat height positioning sleeve is provided with an end cover (8-4-1), and the center of the end cover (8-4-1) is provided with an end cover center hole with the diameter of d 3; the bottom of the reference seat height positioning sleeve (8-4) is a through hole without an end cover, but a snap ring (8-4-2) with the outer diameter of d5 is arranged outside the lower end of the reference seat height positioning sleeve (8-4);
the reference seat height positioning sleeve (8-4) and the spring (8-3) are coaxially sleeved on the polish rod (8-5-2), and the middle section and the upper section of the spring (8-3) are inserted into the reference seat height positioning sleeve (8-4); the screw (8-5-1) penetrates out of the central hole of the end cover (8-4-1) upwards, the compression bolt (8-2) is in threaded connection with the middle-upper section of the screw (8-5-1), the top end of the screw (8-5-1) is provided with a butterfly nut mounting boss with external threads, and the butterfly nut (8-1) is in threaded connection with and locked with the butterfly nut mounting boss; a polish rod (8-5-2) positioned at the lower end of the screw rod (8-5-1) penetrates through the vertical through hole (5-2) of the base and is connected with the vertical through hole in a sliding way; the upper end face of the reference seat height positioning sleeve (8-4) is attached to the end face of the horizontal reference seat (5) below the base vertical through hole (5-2), and the lower end face of the compression bolt (8-2) is attached to the end face of the horizontal reference seat (5) above the base vertical through hole (5-2).
3. The motor train unit skirting bracket auxiliary positioning device of claim 2, characterized in that: the T-shaped groove positioning sliding block (8-6) is a rectangular block with the vertical height value of H2, the length of d1 and the width of d2, the length value d1 of the rectangular block is larger than L1 and smaller than L2, and the width value d2 of the rectangular block is smaller than L1; the outer diameter value of the snap ring (8-4-2) is d5, and d5 is larger than L1; the outer diameter value d6 of the spring (8-3) is less than L1; the vertical height H4 of the horizontal base (5) is equal to one quarter of the vertical height H3 of the line segment AC.
4. The motor train unit skirting bracket auxiliary positioning device of claim 2, characterized in that: the horizontal reference seat (5) is a rectangular square steel pipe which is horizontally placed, and the direction which is along the horizontal extension direction of the square steel pipe and points to the laser range finder (10) from the vertical through hole (5-2) of the base is set to be the positive direction of a Y axis; the upward direction of the axis of the vertical through hole (5-2) of the base is set as the positive direction of the Z axis; the horizontal sliding block device (7) is a sliding block locked by a bolt or a magnet sliding block; the linear laser plane M of the linear laser (9) is vertical to the Y axis and projects upwards, the projection direction of the laser range finder (10) is vertical upwards, and the ranging zero reference line is coplanar with the upper end face of the horizontal reference base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921624634.9U CN210603301U (en) | 2019-09-27 | 2019-09-27 | EMUs skirtboard support auxiliary positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921624634.9U CN210603301U (en) | 2019-09-27 | 2019-09-27 | EMUs skirtboard support auxiliary positioning device |
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| CN210603301U true CN210603301U (en) | 2020-05-22 |
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| CN201921624634.9U Active CN210603301U (en) | 2019-09-27 | 2019-09-27 | EMUs skirtboard support auxiliary positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595450A (en) * | 2019-09-27 | 2019-12-20 | 中车长春轨道客车股份有限公司 | Motor train unit apron board bracket auxiliary positioning device and positioning method thereof |
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2019
- 2019-09-27 CN CN201921624634.9U patent/CN210603301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595450A (en) * | 2019-09-27 | 2019-12-20 | 中车长春轨道客车股份有限公司 | Motor train unit apron board bracket auxiliary positioning device and positioning method thereof |
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