CN107941362B - Point distribution tool for thermal vacuum test - Google Patents
Point distribution tool for thermal vacuum test Download PDFInfo
- Publication number
- CN107941362B CN107941362B CN201711462306.9A CN201711462306A CN107941362B CN 107941362 B CN107941362 B CN 107941362B CN 201711462306 A CN201711462306 A CN 201711462306A CN 107941362 B CN107941362 B CN 107941362B
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- China
- Prior art keywords
- ring
- semi
- wire
- thermal vacuum
- spool
- 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.)
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- 238000009826 distribution Methods 0.000 title abstract description 7
- 238000005192 partition Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
Abstract
The invention relates to the technical field of aerospace thermal vacuum tests, and provides a point distribution tool for a thermal vacuum test, aiming at the problems of disordered outgoing lines in a test site and time and labor waste in a plug manufacturing process in the prior art; the device comprises a workbench, a bracket arranged on the workbench, a bobbin rack and a wire supporting component, wherein the bobbin rack and the wire supporting component are sequentially and fixedly arranged on the bracket from top to bottom; the wire shaft frame is in a horizontal strip shape and comprises a plurality of wire shaft seats, a through column for placing a wire shaft is arranged on each wire shaft seat, and the wire support assembly comprises two support rods and two wire guide rings; the wire guide ring is sleeved on the support rods and comprises a first semi-ring and a second semi-ring, and two ends of the first semi-ring are fixedly connected with the two support rods respectively; one end of the second semi-ring is hinged to one supporting rod, the other end of the second semi-ring is a free end, and a gap passing through a thermocouple wire is reserved between the free end of the second semi-ring and the end of the first semi-ring when the second semi-ring is buckled to the first semi-ring.
Description
Technical Field
The invention relates to the technical field of aerospace thermal vacuum tests, in particular to a point distribution tool for a thermal vacuum test.
Background
An important link in the environmental test of aerospace products is the thermal vacuum test. In the thermal vacuum test process, the product is put into a vacuum tank to be subjected to strict test of cold and hot circulation in a vacuum environment.
During the test, temperature monitoring is required at a plurality of points on the product. The temperature signal of each temperature monitoring point is transmitted outwards through a thermocouple wire stuck on the thermocouple of the point. Often, several tens of thermocouple groups are stuck on the product for one test due to the product and test requirements. Each group of thermocouples is led out by positive and negative wires. According to the past experience, each group of thermocouple wires can be coiled on one spool, so that the thermocouple wires can be conveniently stuck to a product temperature measuring point in the test preparation stage, and after the front ends of the thermocouples are stuck, the tail ends of thermocouple wires wound on a small spool are thrown outwards. When tens of temperature measuring points are stuck, the thrown thermocouple ends are required to be grouped and welded on connectors with sealing function according to requirements, and the connectors are led out of the tank.
The positions and the orientations of the outlet points of the thermocouple wires are different, so that the outlet lines are disordered. In the test site, the thermocouple wires are collected and arranged at first, the tail end length is unified, and then the thermocouple wires are welded on the connector to be made into a plug, so that the manufacturing process is quite time-consuming and labor-consuming, and quite inconvenient.
Disclosure of Invention
The invention aims to solve the problems of disordered outgoing lines and time and labor waste in the plug manufacturing process in the test site in the prior art, and provides a point distribution tool for a thermal vacuum test, which can conveniently collect and arrange the extracted thermocouple wires.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: a cloth point frock for thermal vacuum test, its special character lies in: the device comprises a workbench, a bracket arranged on the workbench, a bobbin rack and a wire supporting component, wherein the bobbin rack and the wire supporting component are sequentially and fixedly arranged on the bracket from top to bottom; the wire support assembly comprises at least two support rods which are arranged in parallel at intervals and at least two wire guide rings which are arranged in parallel at intervals; the support rod is a cantilever beam, and one end of the support rod is vertically connected with the bracket; the wire guide ring is sleeved on the support rod, the axis of the support rod is perpendicular to the plane where the wire guide ring is located, the wire guide ring comprises a first semi-ring and a second semi-ring, and two ends of the first semi-ring are fixedly connected with the two support rods respectively; one end of the second semi-ring is hinged to one supporting rod, the other end of the second semi-ring is a free end, and a gap passing through a thermocouple wire is reserved between the free end of the second semi-ring and the end of the first semi-ring when the second semi-ring is buckled to the first semi-ring.
Further, the wire supporting assembly further comprises a locking component used for limiting the rotation of the second semi-ring, the locking component comprises a clamping ring screw rod, a threaded through hole is formed in the end portion of the first semi-ring, and the clamping ring screw rod is connected to the end portion of the first semi-ring through threads; the lower part of the hinge end of the second semi-ring corresponding to the first semi-ring is provided with a bulge matched with the clamping ring screw rod.
Further, a partition plate for separating the bobbins is provided between the through columns.
Further, one side of the partition board is connected through a connecting board; the position of the upper plane of the connecting plate corresponding to each through column is provided with an anti-falling assembly, the anti-falling assembly comprises a baffle, a fixing screw and a pressure spring, the upper surface of one end of the baffle is provided with a handle rod perpendicular to the baffle, and the other end of the baffle is provided with a through hole; the fixing screw penetrates through the pressure spring and the through hole to be connected with the connecting plate.
Further, the routing guide ring is a circular ring or an elliptical ring.
Further, a number is sequentially given to a plurality of the spool bases.
Further, the spool rack comprises a first spool rack and a second spool rack, and the spool rack is arranged in an upper layer and a lower layer.
Further, a reinforcing rod and/or reinforcing rib plate for reinforcing the flexibility strength of the supporting rod is arranged at the lower part of the supporting rod.
The beneficial effects of the invention are as follows:
1. the point distribution tool for the thermal vacuum test is simple in structure, can effectively collect thermocouple wires with disordered point positions and different orientations on a finishing test site, saves time and labor, and is simple and convenient to operate.
2. The wire supporting component adopted by the invention has the advantages of simple structure and convenient manufacture, and can effectively realize the rotation restriction of the second semi-ring.
3. The anti-drop assembly adopted by the invention can flexibly adjust the spool, and is convenient and reliable to use.
Drawings
FIG. 1 is a schematic three-dimensional structure of one embodiment of the present invention;
FIG. 2 is a schematic view of the structure of part I of FIG. 1;
FIG. 3 is a schematic three-dimensional view of a wire support assembly;
fig. 4 is a front view of the wire support assembly of fig. 3;
fig. 5 is a schematic view of the structure of fig. 4 with the first half ring omitted.
The reference numerals in the drawings are as follows:
1-a workbench, 11-a travelling wheel, 2-a bracket,
3-a spool stand,
31-spool seat, 311-through column, 312-partition board, 313-connecting board, 314-spool,
32-anti-falling components, 321-baffle plates, 322-fixing screws, 323-compression springs, 324-handle bars,
33-first reel stand, 34-second reel stand,
4-wire support assembly,
41-supporting rod, 42-wiring guide ring, 421-first semi-ring, 422-second semi-ring,
43-locking part, 431-clasp screw.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
In the following description, for convenience only, specific directional terms, such as "upper", "lower", etc., are used with reference to the corresponding drawings and should not be construed as limiting the invention, as the direction of definition of the drawings changes, and the directions in which these terms are expressed should be construed as corresponding different directions.
The point distribution tool for the thermal vacuum test shown in fig. 1 comprises a workbench 1 provided with travelling wheels 11, a bracket 2 arranged on the workbench 1, a bobbin holder 3 and a wire supporting assembly 4, wherein the bobbin holder 3 and the wire supporting assembly 4 are sequentially and fixedly arranged on the bracket 2 from top to bottom.
The spool holder 3 includes a first spool holder 33 and a second spool holder 34 in a horizontal bar shape, which are arranged in two layers. As shown in fig. 2, each bobbin holder 3 includes a plurality of bobbin holders 31, and the plurality of bobbin holders 31 are numbered in sequence; each spool seat 31 is provided with a through column 311 for placing the spool, a partition plate 312 for separating the spools is arranged between the through columns 311, and the upper ends of the partition plates 312 are connected through a connecting plate 313.
As shown in fig. 2, an anti-falling component 32 is arranged on the upper plane of the connecting plate 313 at a position corresponding to each through column 311, the anti-falling component 32 comprises a baffle 321, a fixing screw 322 and a pressure spring 323, a handle rod 324 perpendicular to the baffle 321 is arranged on the upper surface of one end of the baffle, and a through hole is arranged on the other end of the baffle; the fixing screw 322 is connected to the connection plate 313 through the compression spring 323 and the through hole.
Lifting the handle bar 324 upward and turning it can flexibly place the turning barrier 321 at a desired position. The spool 314 is released by placing the stop 321 on the connection plate 313; placing on the spool 314 can compress the spool 314; it may also be placed on the piercing post 311 slightly above the spool 314 so that the spool can rotate but not be pulled out upward.
As shown in fig. 1 and 3, the wire supporting assembly 4 includes two supporting bars 41 disposed in parallel with each other at a distance, two annular routing guide rings 42 disposed in parallel with each other at a distance, and a locking member 43 for restricting the rotation of the second half ring 422. The supporting rod 41 is a cantilever beam, one end of the supporting rod 41 is vertically connected with the bracket 2, the wiring guide ring 42 is sleeved on the supporting rod 41, and the axis of the supporting rod 41 is vertical to the plane where the wiring guide ring 42 is located.
As shown in fig. 4 and 5, the routing guide ring 42 includes a first half ring 421 and a second half ring 422, and two ends of the first half ring 421 are respectively and fixedly connected with two support rods 41; one end of the second half ring 422 is pinned to one support bar 41, and the other end is a free end; when the second semi-ring is buckled on the first semi-ring, a gap passing through the thermocouple wire is reserved between the free end part of the second semi-ring and the end part of the first semi-ring.
As shown in fig. 5, the locking member 43 includes a snap ring screw 431, and a threaded through hole is formed at an end of the first half ring 421, and the snap ring screw 431 is connected to the end of the first half ring 421 by threads; the lower part of the pin joint end of the second half ring 422 corresponding to the first half ring 421 is provided with a protrusion matched with the snap ring screw 431.
When the snap ring screw 431 is screwed up, the snap ring screw 431 abuts against the protrusion to fix the second half ring 422, and when the snap ring screw 431 is unscrewed down, the snap ring screw 431 loosens the second half ring 422, and the second half ring 422 can be opened in a rotating mode.
The working process of the invention comprises the following steps:
moving the workbench 1 to a vacuum tank port of a vacuum test, leading out thermocouple wires with the tail ends coiled on the spool 314 from a test product, and penetrating each group of thermocouple wires into the wire guide ring 42 from a notch at the side edge of the wire guide ring 42 according to a required sequence; after the thermocouple wires are led into the channels formed by the two wire guide rings, the bobbins 314 are placed on the corresponding bobbin seats 31 according to the number, and the bobbins are pressed by the baffle 321.
After all thermocouple wires are led out, the baffle plate is placed on the through column 3, so that the spool can rotate. Pushing the workbench 1, putting all thermocouple wires to the same length as required, taking down the bobbins 314 from the bobbin base 31 according to the number, welding the thermocouple wires on the connectors one by one, unscrewing the ring screw 431 downwards after welding, opening all second semi-rings 422, and taking out the stranded thermocouple wires.
The above description is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the technical scope of the present invention, and any known modifications made by those skilled in the art based on the main technical concept of the present invention fall within the technical scope of the present invention.
Claims (8)
1. A cloth point frock for thermal vacuum test, its characterized in that: comprises a workbench (1) provided with travelling wheels (11), a bracket (2) arranged on the workbench (1), a bobbin rack (3) and a wire supporting assembly (4) which are sequentially and fixedly arranged on the bracket (2) from top to bottom;
the spool rack (3) is in a horizontal strip shape and comprises a plurality of spool seats (31), each spool seat (31) is provided with a through column (311) for placing a spool,
the wire supporting component (4) comprises at least two supporting rods (41) which are arranged in parallel at intervals and at least two routing guide rings (42) which are arranged in parallel at intervals;
the support rod (41) is a cantilever beam, and one end of the support rod is vertically connected with the bracket (2); the wire guide ring (42) is sleeved on the supporting rod (41), the axis of the supporting rod (41) is vertical to the plane where the wire guide ring (42) is positioned,
the wiring guide ring (42) comprises a first half ring (421) and a second half ring (422), and two ends of the first half ring (421) are fixedly connected with the two support rods (41) respectively; one end of the second semi-ring (422) is hinged on one supporting rod (41), the other end is a free end,
when the second semi-ring is buckled on the first semi-ring, a gap passing through the thermocouple wire is reserved between the free end part of the second semi-ring and the end part of the first semi-ring.
2. The dotting tool for thermal vacuum testing of claim 1, wherein: the wire supporting assembly (4) further comprises a locking component (43) used for limiting the second half ring (422) to rotate, the locking component (43) comprises a clamping ring screw rod (431), a threaded through hole is formed in the end portion of the first half ring (421), and the clamping ring screw rod (431) is connected to the end portion of the first half ring (421) through threads;
the lower part of the hinged end of the second semi-ring (422) corresponding to the first semi-ring (421) is provided with a bulge matched with the snap ring screw (431).
3. The dotting tool for thermal vacuum testing according to claim 1 or 2, wherein: a partition plate (312) for separating the bobbins is arranged between the through columns (311).
4. A dotting tool for use in thermal vacuum testing as claimed in claim 3, wherein: one side of the partition plate (312) is connected through a connecting plate (313); the upper plane of the connecting plate (313) is provided with an anti-falling component (32) corresponding to the position of each through column (311),
the anti-falling assembly (32) comprises a baffle plate (321), a fixing screw (322) and a pressure spring (323), wherein the upper surface of one end of the baffle plate (321) is provided with a handle rod (324) perpendicular to the baffle plate, and the other end of the baffle plate is provided with a through hole; the fixing screw (322) penetrates through the pressure spring (323) and the through hole to be connected with the connecting plate (313).
5. The dotting tool for thermal vacuum testing as defined in claim 4, wherein: the wire guide ring (42) is a circular ring or an elliptical ring.
6. The dotting tool for thermal vacuum testing as defined in claim 5, wherein: the plurality of spool holders (31) are sequentially numbered.
7. The dotting tool for thermal vacuum testing as defined in claim 6, wherein: the spool rack (3) comprises a first spool rack (33) and a second spool rack (34) which are arranged in an upper layer and a lower layer.
8. The dotting tool for thermal vacuum testing as defined in claim 7, wherein: the lower part of the supporting rod (41) is provided with a reinforcing rod and/or a reinforcing rib plate for reinforcing the flexible strength of the supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462306.9A CN107941362B (en) | 2017-12-28 | 2017-12-28 | Point distribution tool for thermal vacuum test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462306.9A CN107941362B (en) | 2017-12-28 | 2017-12-28 | Point distribution tool for thermal vacuum test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107941362A CN107941362A (en) | 2018-04-20 |
| CN107941362B true CN107941362B (en) | 2023-12-12 |
Family
ID=61939688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462306.9A Active CN107941362B (en) | 2017-12-28 | 2017-12-28 | Point distribution tool for thermal vacuum test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107941362B (en) |
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2017
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|---|---|
| CN107941362A (en) | 2018-04-20 |
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