CN108789234B - Method for assembling heating sheet on inclined plane - Google Patents
Method for assembling heating sheet on inclined plane Download PDFInfo
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- CN108789234B CN108789234B CN201810565574.1A CN201810565574A CN108789234B CN 108789234 B CN108789234 B CN 108789234B CN 201810565574 A CN201810565574 A CN 201810565574A CN 108789234 B CN108789234 B CN 108789234B
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- inclined plane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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Abstract
The invention relates to a tool for assembling a heating sheet on an inclined plane, belongs to the technical field of assembling processes of aerospace fiber optic gyroscope inertia measuring devices, in particular to a tool for installing a heating sheet on an inclined plane of an accelerometer instrument body in a fiber optic gyroscope inertia measuring device, and can be applied to the technical field of aerospace inertia measuring device assembling. The heating sheet is extruded by the sliding block parallel to the mounting surface to apply certain pressure on the surface of the heating sheet, so that the mechanical and electrical performance requirements are met; the sliding block is pushed by the screw with the moment to realize the quantitative control of the extrusion force of the sliding block on the heating piece; the invention can meet the requirement of mounting the heating sheets on a plurality of inclined planes.
Description
Technical Field
The invention relates to a tool for assembling a heating sheet on an inclined plane, belongs to the technical field of an assembly process of an aerospace fiber-optic gyroscope inertia measuring device, particularly relates to a tool for installing a heating sheet on an inclined plane of an accelerometer instrument body in a fiber-optic gyroscope inertia measuring device, and can be applied to the technical field of aerospace inertia measuring assembly.
Background
With the continuous development of satellite control technology, the requirements for satellite attitude control are also continuously increased. The fiber optic gyroscope inertia measurement device is used as an important measurement component of a satellite attitude control system, and the measurement accuracy of the fiber optic gyroscope inertia measurement device directly influences the attitude control level of a satellite.
For the continuously working fiber optic gyroscope inertia measuring device for aerospace, the performance index of a product has a great relationship with the ambient temperature, the key device and the instrument are ensured to work in a reasonable temperature range, and the device is a key link for ensuring the performance index of the high-precision fiber optic gyroscope inertia measuring device to be realized.
One of the main ways to ensure the realization of the temperature index of the high-precision fiber-optic gyroscope inertia measuring device is to install and use heating sheets near the key devices and the instruments, thereby ensuring that the temperature of the key devices and the instruments meets the performance index requirements.
The heating piece is generally arranged on a structural member and is parallel to a plane of an installation surface, after the heating piece is adhered to the surface of the structural member, silicone rubber (GD414) at the lower part of the heating piece is extruded under the action of gravity of a weight block, redundant glue solution is extruded, and the purposes of ensuring uniform thickness of the GD414 and few bubbles after solidification are achieved.
Because heating sheets need to be installed on a plurality of inclined planes of the structural member at the same time, after the heating sheets are adhered, GD414 below the heating sheets cannot be extruded by other means, so that the thickness of GD414 is uneven, the number and the diameter of bubbles exceed the standard requirements, and if the problem is not solved, the heating sheets at the positions where the bubbles exist after the product is electrified can not be timely transmitted to the structural member due to the temperature of the heating sheets, so that the heating sheets at the positions are overheated and burnt, or the service life of the heating sheets is shortened; therefore, the reliability of the heating sheet arranged on the inclined plane is a key link influencing the performance index of the fiber optic gyroscope inertia measuring device.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a tool for assembling a heating sheet on an inclined plane, the tool adheres the heating sheet on a structural member by means of GD414, the GD414 at the lower part of the heating sheet is extruded by a sliding block parallel to an installation surface, and the sliding block and a bracket are taken down after 24 hours to complete assembly.
The above purpose of the invention is realized by the following technical scheme:
a tool for assembling a heating sheet on an inclined plane comprises a base, a support, a sliding block and a bolt;
the base is a stainless steel flat plate, the upper surface of the base is provided with a positioning small cylinder, the lower surface of the base is provided with three bosses, the stainless steel flat plate is provided with three large through holes for carrying out circumferential limit on a structural component to be installed, and the stainless steel flat plate is also provided with a plurality of small through holes for carrying out axial limit on the structural component to be installed;
the support comprises a circular ring and a fixed block, the fixed block is a hexahedron, the fixed block is fixedly arranged on the upper surface of the circular ring, a through hole is formed in the circular ring, a threaded through hole is formed in the center of the fixed block, two positioning cylinders are also fixedly arranged on the fixed block, the front surface and the rear surface of the fixed block are both parallel to an installation inclined plane of a structure to be installed, the upper surface of the fixed block is parallel to a horizontal plane, the positioning cylinders are perpendicular to the front surface of the fixed block, and the central axis of the threaded through hole in the center of the fixed block is perpendicular to the front; the threaded through hole in the center of the fixing block is matched with the bolt;
the slider be a hexahedron, the front surface and the rear surface of slider all parallel with the installation inclined plane of waiting to install the structure, the upper surface and the horizontal plane of slider are parallel, have two blind holes on the rear surface of slider, fixed mounting has the antistatic backing on the front surface of slider, two blind holes on the rear surface of slider and two location cylinders on the fixed block are clearance fit.
A method of assembling a warming patch on a ramp, the method comprising the steps of:
(1) uniformly coating single-component room temperature vulcanized silicone rubber GD414 with the thickness of 0.1mm on the mounting surface of the heating sheet, and then adhering the heating sheet on the mounting inclined surface of the structural member to be mounted;
(2) placing the structural part to be installed, which is pasted with the heating sheet, on a base, carrying out circumferential positioning through a large through hole on the base, and carrying out axial positioning through a small through hole on the base by using a screw, namely, fixedly installing the structural part to be installed, which is pasted with the heating sheet, on the base;
(3) installing the sliding block on the fixed block, and enabling the two positioning cylinders on the fixed block to enter the two blind holes on the rear surface of the sliding block;
(4) sleeving the whole support provided with the sliding block on the structural part to be installed in the step (2) to enable the anti-static pad on the sliding block to be the heating sheet adhered to the structural part to be installed; circumferentially limiting the circular ring on the support through the small positioning cylinder on the upper surface of the base, and axially positioning the base and the circular ring on the support by using a screw, namely, fixedly mounting the whole support provided with the sliding block on the base provided with the structural component to be mounted in the step (2);
(5) the bolt is connected in a threaded through hole in the center of the fixing block in a threaded mode, the bolt is screwed through set torque, the sliding block moves towards the heating piece, extrusion of silicon rubber under the heating piece is achieved, redundant glue liquid can be extruded after a certain time, and the purposes that the thickness of the single-component room temperature vulcanized silicon rubber GD414 is uniform, and bubbles are few after curing are achieved; the certain time is generally 24-72 h;
(6) and screwing out the bolt, taking the bracket and the sliding block out, and taking the structural member to be installed with the heating sheet adhered to the bracket and the sliding block down from the base to finish the process of assembling the heating sheet on the inclined plane of the structural member to be installed.
Compared with the prior art, the invention has the following beneficial effects:
(1) the heating sheet is extruded by the sliding block parallel to the mounting surface to apply certain pressure on the surface of the heating sheet, so that the mechanical and electrical performance requirements are met;
(2) the sliding block is pushed by the screw with the moment to realize the quantitative control of the extrusion force of the sliding block on the heating piece;
(3) the invention can meet the requirement of mounting the heating sheets on a plurality of inclined planes;
(4) the invention provides an assembly tool for a heating sheet on an inclined plane, which is characterized in that a base is designed for fixing a structural member on the inclined plane, wherein the structural member is required to be provided with the heating sheet; fixing a structural member needing to be provided with the heating sheet on the base by using a fastener; uniformly coating a single-component room temperature vulcanized silicone rubber GD414 with the thickness of 0.1mm on a heating sheet; adhering the heating sheet coated with the GD414 to the inclined plane of the structural part; fixing a bracket provided with a sliding block on a base by using a positioning pin and a fastener, wherein the surface of the sliding block is provided with an elastic anti-static table mat; rotating 3 screws on the bracket by using a fixed torque tool to enable the anti-static table mat in front of the sliding block to compress the heating sheet with certain pressure; after 24 hours (the room temperature is more than 20 ℃), unscrewing 3 screws and fasteners on the bracket, taking down the bracket, and taking out the structural part on the inclined plane, which is required to be provided with the heating sheet. The assembling method can effectively solve the problem that the diameters and the number of bubbles of the single-component room temperature vulcanized silicone rubber GD414 with the heating piece fixed on the inclined plane exceed the standard in the curing process due to the lack of frontal extrusion force, the method is convenient and simple to operate and good in quality consistency, the sizes of the bubbles between the structural surface and the heating piece after the GD414 is completely cured are both smaller than 5mm multiplied by 5mm, the bubbles smaller than 5mm multiplied by 5mm are not connected, the number of the bubbles under the same heating piece is not more than 5, the standard requirement is met, and the reliability of the installation of the heating piece is ensured.
Drawings
FIG. 1 is a schematic structural view (top view) of a base according to the present invention;
FIG. 2 is a schematic structural view (bottom view) of the base of the present invention;
FIG. 3 is a schematic view of a structural member to be installed according to the present invention;
FIG. 4 is a schematic structural view of a stent of the present invention;
FIG. 5 is a schematic structural diagram of the slider of the present invention;
FIG. 6 is a schematic view of a structural member to be installed with a heating sheet adhered thereon being fixed on a base;
FIG. 7 is a schematic view of the assembly of the bracket and the slider according to an embodiment of the present invention;
fig. 8 is a schematic view of the overall nested structure.
Detailed Description
An assembly method of a heating sheet on a slope comprises the following steps:
(1) designing a base for fixing a structural member on which a heating sheet is required to be installed on the inclined plane;
(2) fixing a structural member needing to be provided with the heating sheet on the base by using a fastener;
(3) uniformly coating a single-component room temperature vulcanized silicone rubber GD414 with the thickness of 0.1mm on a heating sheet;
(4) adhering the heating sheet coated with the GD414 to the inclined plane of the structural part;
(5) fixing a bracket provided with a sliding block on a base by using a positioning pin and a fastener, wherein the surface of the sliding block is provided with an elastic anti-static table mat;
(6) rotating 3 screws on the bracket by using a fixed torque tool to enable the anti-static table mat in front of the sliding block to compress the heating sheet with certain pressure;
(7) loosening 3 screws and fasteners on the bracket after 24 hours (at room temperature of more than 20 ℃), taking down the bracket, and taking out the structural member on the inclined plane, which is required to be provided with the heating sheet;
in the step (1), a device capable of fixing the heating sheet structural member is designed according to the structural characteristics of the heating sheet structural member required to be installed.
In the step (2), the structural part is positioned according to a positioning device on the structure and then is fixed by using a fastener.
In the step (3), the heating sheet was fixed with GD414 to a thickness of 0.1 mm.
In the step (4), the heating sheet is fixed on the inclined surface of the structural member.
In the step (5), the surface of the slide block is parallel to the inclined surface of the structural part.
In the step (5), the anti-static table mat is used as a flexible buffer material to be installed on the sliding block, so that the inner conductor of the heating sheet is prevented from being damaged when the heating sheet is extruded.
In the step (6), 3 screws are rotated by using a fixed torque tool, so that the antistatic table mat in the front of the sliding block presses the heating piece with a certain pressure.
And (7) taking out the structural member needing to be provided with the heating sheet on the inclined plane after 24 hours at room temperature, and finishing the assembly of the heating sheet.
The invention is described in further detail below with reference to the following figures and specific examples:
the heating sheet is used as an important temperature control device of the fiber-optic gyroscope inertia measuring device, and plays a key role in enabling the inertia instrument to normally work within a reasonable temperature range and outputting correct attitude control parameters. The assembling method of the heating sheet on the inclined plane effectively solves the problem of reliability of mounting the heating sheet on the inclined plane of the structure and the like, and improves the reliability of the temperature performance of the product.
The invention discloses an assembly method of a heating sheet positioned on an inclined plane, which comprises the following steps:
(1) designing a base for fixing a structural member on which a heating sheet is required to be installed on the inclined plane;
(2) fixing a structural member needing to be provided with the heating sheet on the base by using a fastener;
(3) the warming sheet was evenly coated with a 0.1mm thick single component room temperature vulcanized silicone rubber GD 414.
(4) Adhering the heating sheet coated with the GD414 to the inclined plane of the structural part;
(5) fixing a bracket provided with a sliding block on a base by using a positioning pin and a fastener, wherein the surface of the sliding block is provided with an elastic anti-static table mat;
(6) rotating 3 screws on the bracket by using a fixed torque tool to enable the anti-static table mat in front of the sliding block to compress the heating sheet with certain pressure;
(7) after 24 hours (the room temperature is more than 20 ℃), unscrewing 3 screws and fasteners on the bracket, taking down the bracket, and taking out the structural part on the inclined plane, which is required to be provided with the heating sheet.
Examples
A tool for assembling a heating sheet on an inclined plane comprises a base 1, a support 2, a sliding block 3 and a bolt 4;
as shown in fig. 1, the base 1 is a stainless steel flat plate, the upper surface of which is provided with a positioning small cylinder 11, as shown in fig. 2, the lower surface of which is provided with three bosses 12, the stainless steel flat plate is provided with three large through holes 13 for circumferential limiting of a structural member to be installed, the stainless steel flat plate is also provided with a plurality of small through holes 14 for axial limiting of the structural member to be installed, and the structural schematic diagram of the structural member to be installed is shown in fig. 3;
as shown in fig. 4, the bracket 2 includes a circular ring 21 and a fixed block 22, the fixed block 22 is a hexahedron, the fixed block 22 is fixedly mounted on the upper surface of the circular ring 21, a through hole 211 is formed on the circular ring 21, a threaded through hole 221 is formed in the center of the fixed block 22, two positioning cylinders 222 are also fixedly mounted on the fixed block 22, a front surface 223 and a rear surface 224 of the fixed block 22 are both parallel to a mounting inclined surface of a structure to be mounted, an upper surface 225 of the fixed block 22 is parallel to a horizontal plane, the positioning cylinders 222 are perpendicular to the front surface 223 of the fixed block 22, and the central axis of the threaded through hole 221 in the center of the fixed block 22 is perpendicular to the front; the threaded through hole 221 in the center of the fixing block 22 is matched with the bolt 4;
as shown in fig. 5, the slider 3 is a hexahedron, the front surface and the rear surface 32 of the slider 3 are both parallel to the installation inclined plane of the structure to be installed, the upper surface 33 of the slider 3 is parallel to the horizontal plane, the rear surface 32 of the slider 3 is provided with two blind holes 34, the front surface of the slider 3 is fixedly provided with the anti-static pad 31, and the two blind holes 34 on the rear surface 32 of the slider 3 are in clearance fit with the two positioning cylinders 222 on the fixed block 22.
A method of assembling a warming patch on a ramp, the method comprising the steps of:
(1) uniformly coating single-component room temperature vulcanized silicone rubber GD414 with the thickness of 0.1mm on the mounting surface of the heating sheet, and then adhering the heating sheet on the mounting inclined surface of the structural member to be mounted;
(2) placing the structural member to be installed, to which the heating sheet 61 is adhered, on the base 1, leading out by using a lead 62, and performing circumferential positioning through a large through hole on the base 1 and axial positioning through a small through hole on the base 1 by using a screw as shown in fig. 6, that is, fixedly installing the structural member to be installed, to which the heating sheet is adhered, on the base 1;
(3) as shown in fig. 7, the slider 3 is mounted on the fixed block 22, so that the two positioning cylinders 222 on the fixed block 22 enter the two blind holes on the rear surface 32 of the slider 3;
(4) as shown in fig. 8, the bracket 2 provided with the sliding block 3 is integrally sleeved on the structural member to be installed in the step (2), so that the anti-static pad on the sliding block 3 is just a heating sheet adhered to the structural member to be installed; circumferentially limiting the circular ring 21 on the support 2 through the small positioning cylinder 11 on the upper surface of the base 1, and axially positioning the circular rings 21 on the base 1 and the support 2 by using a screw, namely, fixedly mounting the support 2 provided with the sliding block 3 on the base 1 provided with the structural component to be mounted in the step (2) integrally;
(5) the bolt 4 is connected in a threaded through hole 221 in the center of the fixing block 22 in a threaded mode, the bolt 4 is screwed through set torque, the sliding block 3 moves towards the heating piece, extrusion of silicon rubber under the heating piece is achieved, redundant glue liquid can be extruded in a certain time, and the purposes that the thickness of single-component room-temperature vulcanized silicon rubber GD414 is uniform, and bubbles are few after curing are guaranteed are achieved; the certain time is generally 24-72 h;
(6) and screwing out the bolt 4, taking the bracket 2 and the sliding block 3 out, and taking the structural member to be installed with the heating sheet adhered to down from the base 1 to complete the process of assembling the heating sheet on the inclined plane of the structural member to be installed.
The inclined plane provided with the heating sheet is tested, the sizes of bubbles between the surface of the inclined plane and the heating sheet after GD414 is completely cured are both smaller than 5mm multiplied by 5mm, no connected sheet exists for bubbles smaller than 5mm multiplied by 5mm, the number of bubbles under the same heating sheet is not more than 5, the standard requirement is met, and the reliability of the installation of the heating sheet is ensured.
The above description is only for the best mode of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (1)
1. A method for assembling a heating sheet on an inclined plane is characterized in that: the used tool comprises a base, a bracket, a sliding block and a bolt;
the base is a stainless steel flat plate, the upper surface of the base is provided with a positioning small cylinder, the lower surface of the base is provided with three bosses, the stainless steel flat plate is provided with three large through holes for carrying out circumferential limit on a structural component to be installed, and the stainless steel flat plate is also provided with a plurality of small through holes for carrying out axial limit on the structural component to be installed;
the support comprises a circular ring and a fixed block, the fixed block is a hexahedron, the fixed block is fixedly arranged on the upper surface of the circular ring, a through hole is formed in the circular ring, a threaded through hole is formed in the center of the fixed block, two positioning cylinders are also fixedly arranged on the fixed block, the front surface and the rear surface of the fixed block are both parallel to an installation inclined plane of a structure to be installed, the upper surface of the fixed block is parallel to a horizontal plane, the positioning cylinders are perpendicular to the front surface of the fixed block, and the central axis of the threaded through hole in the center of the fixed block is perpendicular to the front; the threaded through hole in the center of the fixing block is matched with the bolt;
the sliding block is a hexahedron, the front surface and the rear surface of the sliding block are both parallel to an installation inclined plane of a structure to be installed, the upper surface of the sliding block 3 is parallel to a horizontal plane, the rear surface of the sliding block is provided with two blind holes, the front surface of the sliding block is fixedly provided with an anti-static pad, and the two blind holes in the rear surface of the sliding block are in clearance fit with the two positioning cylinders on the fixed block;
the method comprises the following steps:
(1) uniformly coating single-component room temperature vulcanized silicone rubber GD414 with the thickness of 0.1mm on the mounting surface of the heating sheet, and then adhering the heating sheet on the mounting inclined surface of the structural member to be mounted;
(2) placing the structural part to be installed, which is pasted with the heating sheet, on a base, leading out by using a lead, and if circumferential positioning is carried out through a large through hole on the base, axial positioning is carried out through a small through hole on the base by using a screw, namely, the structural part to be installed, which is pasted with the heating sheet, is fixedly installed on the base;
(3) installing the sliding block on the fixed block, and enabling the two positioning cylinders on the fixed block to enter the two blind holes on the rear surface of the sliding block;
(4) sleeving the whole support provided with the sliding block on the structural part to be installed in the step (2) to enable the anti-static pad on the sliding block to be the heating sheet adhered to the structural part to be installed; circumferentially limiting the circular ring on the support through the small positioning cylinder on the upper surface of the base, and axially positioning the base and the circular ring on the support by using a screw, namely, fixedly mounting the whole support provided with the sliding block on the base provided with the structural component to be mounted in the step (2);
(5) the bolt is connected in a threaded through hole in the center of the fixing block in a threaded mode, the bolt is screwed through set torque, the sliding block moves towards the heating piece, extrusion of silicon rubber below the heating piece is achieved, redundant glue liquid can be extruded within a certain time, and the purposes that the thickness of the single-component room-temperature vulcanized silicone rubber GD414 is uniform, and bubbles are few after curing are achieved; the certain time is generally 24-72 h;
(6) screwing out the bolt, taking the bracket and the sliding block out, and then taking the structural member to be installed with the heating sheet adhered to the bracket and the sliding block down from the base to complete the process of assembling the heating sheet on the inclined plane of the structural member to be installed;
the inclined plane provided with the heating sheet is tested, the sizes of bubbles between the surface of the inclined plane and the heating sheet after GD414 is completely cured are both smaller than 5mm multiplied by 5mm, no connected sheet exists for bubbles smaller than 5mm multiplied by 5mm, the number of bubbles under the same heating sheet is not more than 5, the standard requirement is met, and the reliability of the installation of the heating sheet is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810565574.1A CN108789234B (en) | 2018-06-04 | 2018-06-04 | Method for assembling heating sheet on inclined plane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810565574.1A CN108789234B (en) | 2018-06-04 | 2018-06-04 | Method for assembling heating sheet on inclined plane |
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| CN108789234A CN108789234A (en) | 2018-11-13 |
| CN108789234B true CN108789234B (en) | 2020-09-18 |
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| CN110887482B (en) * | 2019-10-31 | 2021-10-01 | 北京航天时代光电科技有限公司 | Universal support for assembling inertia measuring device |
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| CN201863466U (en) * | 2010-10-18 | 2011-06-15 | 嘉兴市南湖区凤桥冯嘉生工作室 | Clamping tool for producing bamboo board |
| CN202278809U (en) * | 2011-11-01 | 2012-06-20 | 浙江恒誉电子科技有限公司 | Glue scraping device for prepreg of copper-clad plate |
| CN202377435U (en) * | 2011-12-30 | 2012-08-15 | 东方蓝天钛金科技有限公司 | Self-locking nut closing-in tool |
| CN203993284U (en) * | 2014-06-10 | 2014-12-10 | 天津高精腾邦科技有限公司 | A kind of lathe bull fixture |
| CN204868216U (en) * | 2015-08-06 | 2015-12-16 | 金坛市诚辉机械制造有限公司 | Pneumatic stock mills a frock |
| CN204954678U (en) * | 2015-08-29 | 2016-01-13 | 宋国丰 | Multipurpose clamp |
| CN106594022B (en) * | 2016-03-22 | 2019-05-14 | 北京卫星环境工程研究所 | For installing the pressurizing device of the complex-curved heater of spacecraft |
| DE202016103435U1 (en) * | 2016-06-28 | 2016-07-07 | Po-Shen Chen | Clamping device for workpieces with single side |
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