CN107052605B - Assembling and positioning tool and method for cable seat of solid rocket engine - Google Patents
Assembling and positioning tool and method for cable seat of solid rocket engine Download PDFInfo
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- CN107052605B CN107052605B CN201611172728.8A CN201611172728A CN107052605B CN 107052605 B CN107052605 B CN 107052605B CN 201611172728 A CN201611172728 A CN 201611172728A CN 107052605 B CN107052605 B CN 107052605B
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- cable seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
Abstract
The invention relates to an assembly positioning tool for a solid rocket engine cable seat, which consists of a first group of cable seat positioning plates and a subsequent cable seat positioning plate, wherein the first group of cable seat positioning plates are used for assembly positioning of a first group of cable seats of a solid rocket engine combustion chamber shell, and the first group of cable seat positioning plates are assembled by taking the front end surface of the solid rocket engine combustion chamber shell as a reference end surface A; and the subsequent cable seat positioning plate is assembled with the rear cable seat by taking the front group of positioned cable seats as a reference. According to the invention, the position of the cable seat is rapidly and accurately determined through the tool, the positioning welding is carried out after the rapid assembly instead of a manual scribing assembly method, the cable seat is clamped by the tool, the position deviation of the cable seat caused by the contraction of a welding line is reduced, and the production efficiency and the assembly precision are improved.
Description
Technical Field
The invention relates to an assembling and positioning tool for a cable seat, in particular to an assembling and positioning tool for a cable seat of a solid rocket engine.
Background
As shown in fig. 1, a part of the solid rocket engine combustion chamber shell 1 is provided with a plurality of groups of cable holders 2 for fixing cables, and the requirements on the distance and the position precision of each group of cable holders are high. The cable seat and the combustion chamber shell are connected by welding.
The existing cable seat assembling and positioning method is that after position lines are manually marked, line assembling is carried out one by one, the production and assembly processes are complicated, the marking time is long, the assembly speed and precision are low, the production efficiency is low, and after positioning welding, the welding line is easy to shrink and deform, which may cause the position deviation of the cable seat.
Disclosure of Invention
The invention aims to solve the technical problem of providing an assembly positioning tool for a cable seat of a solid rocket engine, which aims to solve the problems that the position of the cable seat can be quickly and accurately positioned, the positioning welding is carried out, the assembly welding speed and the assembly welding precision are effectively improved, and the production efficiency is improved.
In order to solve the existing technical problems, the technical scheme adopted by the invention is as follows: the assembly positioning tool for the cable seat of the solid rocket engine consists of a first group of cable seat positioning plates and a subsequent cable seat positioning plate, wherein the first group of cable seat positioning plates are used for assembly positioning of a first group of cable seats of a combustion chamber shell of the solid rocket engine, and the first group of cable seat positioning plates are assembled by taking the front end surface of the combustion chamber shell of the solid rocket engine as a reference end surface A; the left end of the first group of cable seat positioning plates is provided with a vertical rib plate for clamping the reference end surface A, the right end of the first group of cable seat positioning plates is provided with positioning holes, and the upper end and the lower end of each positioning hole are respectively used for placing a cable seat; the left end of the first group of cable seat positioning plates is provided with a U-shaped groove, the left side of the positioning hole is provided with a square groove, and the lower edges of the U-shaped groove and the square groove and the central line of the first group of cable seat positioning plates are positioned on a coaxial line and used for finding the central line on the combustion chamber shell; the subsequent cable seat positioning plate is assembled with the rear cable seat group by taking the front cable seat group as a reference, and the left end of the subsequent cable seat positioning plate is provided with a fixing hole of the front cable seat group for being sleeved on the positioned cable seat; the right end of the subsequent cable seat positioning plate is provided with a positioning hole of the cable seat, and the structure of the subsequent cable seat positioning plate is the same as that of the positioning hole in the first group of cable seat positioning plates; the fixed hole at the left end of the subsequent cable seat positioning plate and the positioning hole at the right end are provided with square grooves, and the lower edges of the square grooves and the central line of the subsequent cable seat positioning plate are positioned on a coaxial line and used for checking whether the last group of cable seats are installed partially or not.
In order to facilitate positioning welding and prevent the movement of a bound welding gun, 45-degree inclined grooves are respectively arranged at the left end and the right end of the positioning hole of the first group of cable seat positioning plates and the subsequent cable seat positioning plates, so that the space is enlarged.
In order to reduce the weight, the first group of cable seat positioning plates and the subsequent cable seat positioning plates are provided with lightening holes.
In order to prevent the positioning plates from swinging in the assembling process, the joint parts of the two sides of the first group of cable seat positioning plates and the subsequent cable seat positioning plates and the combustion chamber shell are respectively provided with an inclined plane boss for jointing the combustion chamber shell.
The invention provides a method for quickly assembling and positioning a cable seat, which comprises the following assembling steps:
(1) and marking a central axis of the cable seat on the solid rocket engine combustion chamber shell along the direction of a bus.
(2) Assembling a first group of cable seats, placing a first group of cable seat positioning plates on a solid rocket engine combustion chamber shell by taking an end surface A as a reference, tightly clamping the end surface by utilizing a stud at the left end of a first group of cable seat positioning plate, vertically moving the first group of cable seat positioning plates up and down, aligning the marked axis by utilizing a U-shaped groove and a square groove, then plugging the cable seats into the cable seat positions in the positioning holes for positioning welding, and taking down the first group of cable seat positioning plates after the positioning welding is finished;
(3) and (3) assembling the subsequent cable seat, namely sleeving the fixing hole at the left end of the positioning plate of the subsequent cable seat into the first group of cable seats, and fixing the positioning plate of the subsequent cable seat to be incapable of moving. Observe whether the coincidence of two square grooves and cable seat the central axis on the follow-up cable seat locating plate judges the cable seat and squints, if the skew is in time rectified, fill in two cable seats in the locating hole afterwards and carry out the tack welding. The assembling and positioning method of each subsequent group of cable seats is the same.
The cable seat assembling and positioning tool comprises a first group of cable seat positioning plates and subsequent cable seat positioning plates. The first group of cable seat positioning plates are used for assembling a first group of cable seats at the left end (end A) by taking the end surface A as a reference; the subsequent cable seat positioning plate is formed by assembling a rear group of cable seats by taking the former group of positioned cable seats as a reference, performing positioning welding, and assembling two cable seats at each time, so that the assembly efficiency is high, and the accuracy is high.
The tool for assembling and positioning the cable seats of the solid rocket engine is designed to replace a manual scribing assembly method by using a tool positioning mode, wherein the first group of cable seats are assembled by taking the end face of a combustion chamber shell as a reference, the subsequent groups of cable seats are assembled by taking the above group of cable seats as a reference, and one group of cable seats can be assembled and positioned each time. When the positioning welding is carried out, the positioning plate can effectively control the deformation caused by the contraction of the welding line, and the position deviation is reduced. A45-degree chute is arranged in the positioning hole of the positioning plate, so that the positioning welding space can be enlarged, and the welding gun can conveniently stretch into and move. Whether the last group of cable holders deviate can be judged according to the alignment condition of the square groove and the combustion chamber shell during subsequent cable holder assembly, and if the deviation can be corrected in time. Inclined plane bosses are arranged on two sides of the joint of each positioning plate and the combustion chamber shell, so that the stability of the tool in the assembling process can be improved.
Advantageous effects
According to the assembly positioning tool for the cable seat of the solid rocket engine combustion chamber shell, the position of the cable seat is quickly and accurately determined through the tool, positioning welding is carried out after quick assembly instead of a manual marking assembly method, the cable seat is clamped by the tool, the position deviation of the cable seat caused by welding line shrinkage is reduced, and the production efficiency and the assembly precision are improved. Two cable seats can be assembled at the same time, so that the assembly speed is increased, and the production efficiency is improved; the cable seat positioning hole can clamp the cable seat during positioning welding, so that the position deviation caused by welding seam shrinkage is effectively controlled, and the assembly precision is improved; the precision of the cable seat of the upper group can be checked in time when the cable seat of the lower group is assembled, and the controllability and the reliability of the process are ensured.
Drawings
FIG. 1 is a schematic diagram of a solid rocket engine combustion chamber housing structure.
Fig. 2 is a schematic view of the cable holder assembly.
Fig. 3 is a schematic diagram of a positioning plate structure of the first group of cable holders.
Fig. 4 is a side view of the first set of cable seat positioning plate structures.
Fig. 5 is a cross-sectional view of a first set of cable seat positioning plates B-B.
Fig. 6 is a schematic diagram of a structure of a subsequent cable seat positioning plate.
Fig. 7 is a side view of the structure of the positioning plate of the subsequent cable seat.
The solid rocket engine comprises a solid rocket engine combustion chamber shell 1, a cable seat 2, a first group of cable seat positioning plates 3 and a subsequent cable seat positioning plate 4.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 2-7, the cable seat assembling and positioning tool comprises a first group of cable seat positioning plates 3 and a subsequent cable seat positioning plate 4. The first group of cable seat positioning plates 3 are used for assembling and positioning the first group of cable seats 2 of the combustion chamber shell, and are assembled by taking the front end surface (end surface A) of the combustion chamber shell as a reference. The subsequent cable seat positioning plate 4 is assembled with the rear group of cable seats 2 by taking the front group of positioned cable seats 2 as a reference. If 2 intervals of two adjacent sets of cable seats are different, can design processing according to 4 structures of follow-up cable seat locating plate as required, only change length can.
As shown in fig. 3 and 4, a vertical rib plate is arranged at the left end of the first group of cable seat positioning plate 3 for clamping the reference end face a. The right-hand member is equipped with the locating hole, and the locating hole upper and lower both ends are used for placing cable seat 2 respectively, and the locating hole left and right both ends are equipped with 45 skewed slots respectively, are used for enlarging the space, are convenient for carry out the tack welding, prevent to restrict welder and remove. The U-shaped groove at the left end of the first group of cable seat positioning plates 3 and the 5mm square groove in the positioning hole are used for finding the center line on the combustion chamber shell. The positioning plate body is provided with lightening holes.
As shown in fig. 5, the first set of cable seat positioning plate 3 is provided with inclined bosses at the joint of the two sides thereof and the combustion chamber housing for fitting the combustion chamber housing to prevent swinging during the assembly process. The boss structure is also arranged on the subsequent cable seat positioning plate 4.
As shown in fig. 6 and 7, the left end of the subsequent cable seat positioning plate 4 is provided with a fixing hole of the previous cable seat 2 for being sleeved on the positioned cable seat 2, and the next cable seat 2 is assembled by using the cable seat 2 as a reference. The right end is provided with a positioning hole of the cable seat 2, and the structure of the positioning hole is the same as that of the positioning hole in the first group of cable seat positioning plates 3. The 5mm square groove in fixed orifices and the locating hole on the locating plate can be used to inspect whether a set of cable seat 2 adorns partially, if adorn partially can in time rectify. The middle of the positioning plate is provided with a lightening hole, so that the weight of the tool is lightened.
During specific implementation, as shown in fig. 2, draw 2 the central axes of cable seat along combustor casing generating line direction, place first group cable seat locating plate 3 to the combustor casing on using terminal surface A as the benchmark, utilize its left end to found the tight terminal surface of muscle board, reciprocate this locating plate, utilize "U" shape groove and square groove to aim at the axis of drawing, fill in cable seat 2 position in the locating hole with cable seat 2 afterwards and can carry out positioning welding, take off first group cable seat locating plate 3 after the positioning welding is accomplished. After the first group of cable seats 2 are positioned, the next group of cable seats 2 are assembled by the subsequent cable seat positioning plate 4, the fixing hole at the left end of the first group of cable seats 2 is sleeved with the fixing hole at the left end of the first group of cable seats 2, the positioning plate can be fixed and cannot move, and then the two cable seats 2 are plugged into the positioning hole for positioning welding. The method for assembling and positioning the subsequent groups of cable seats 2 is the same.
Claims (3)
1. The utility model provides an assembly positioning frock of solid rocket engine cable seat comprises first group cable seat locating plate (3) and follow-up cable seat locating plate (4), its characterized in that:
the first group of cable seat positioning plates (3) are used for assembling and positioning the first group of cable seats (2) of the solid rocket engine combustion chamber shell (1), and the first group of cable seat positioning plates (3) are assembled by taking the front end face of the solid rocket engine combustion chamber shell (1) as a reference end face A; the left end of the first group of cable seat positioning plate (3) is provided with a vertical rib plate for clamping the reference end surface A, the right end of the first group of cable seat positioning plate (3) is provided with a positioning hole, and the upper end and the lower end of the positioning hole are respectively used for placing the cable seat (2); the left end of the first group of cable seat positioning plate (3) is provided with a U-shaped groove, the left side of the positioning hole is provided with a square groove, and the lower edges of the U-shaped groove and the square groove and the central line of the first group of cable seat positioning plate (3) are positioned on a coaxial line and are used for finding the central line on the combustion chamber shell;
the subsequent cable seat positioning plate (4) is assembled with the rear cable seat (2) by taking the front group of positioned cable seats (2) as a reference, and the left end of the subsequent cable seat positioning plate (4) is provided with fixing holes of the front group of cable seats (2) and is used for being sleeved on the positioned cable seats (2); the right end of the subsequent cable seat positioning plate (4) is provided with a positioning hole of the cable seat (2), and the structure of the subsequent cable seat positioning plate is the same as that of the positioning hole in the first group of cable seat positioning plates (3); a square groove is arranged in a fixing hole at the left end and a positioning hole at the right end of the subsequent cable seat positioning plate (4), and the lower edge of the square groove and the central line of the subsequent cable seat positioning plate (4) are positioned on a coaxial line and used for checking whether the upper group of cable seats are installed obliquely or not;
lightening holes are formed in the first group of cable seat positioning plates (3) and the subsequent cable seat positioning plates (4);
the joint of the two sides of the first group of cable seat positioning plate (3) and the subsequent cable seat positioning plate (4) and the combustion chamber shell is respectively provided with an inclined plane boss for being jointed with the combustion chamber shell to prevent swinging in the assembling process.
2. The assembly positioning tool according to claim 1, characterized in that: the left end and the right end of the positioning hole of the first group of cable seat positioning plate (3) and the subsequent cable seat positioning plate (4) are respectively provided with a 45-degree chute for enlarging the space, facilitating positioning welding and preventing the binding welding gun from moving.
3. A method for quickly assembling and positioning a cable seat of a solid rocket engine comprises the following assembling steps:
(1) marking, namely marking the central axis of a cable seat on a solid rocket engine combustion chamber shell (1) along the direction of a bus;
(2) assembling a first group of cable seats (2), placing a first group of cable seat positioning plates (3) on a solid rocket engine combustion chamber shell (1) by taking an end surface A as a reference, clamping the end surface by utilizing a left end stud of the first group of cable seat positioning plates (3), arranging a U-shaped groove at the left end of the first group of cable seat positioning plates (3), arranging a positioning hole at the right end of the first group of cable seat positioning plates (3), arranging a square groove at the left side of the positioning hole, vertically moving the first group of cable seat positioning plates (3), aligning a scribed axis by utilizing the U-shaped groove and the square groove of the first group of cable seat positioning plates (3), then plugging the cable seats (2) into the cable seat position in the positioning hole for positioning welding, and taking down the first group of cable seat positioning plates (3) after the positioning welding is completed;
(3) assembling the subsequent cable seat (2), sleeving a fixing hole at the left end of the subsequent cable seat positioning plate (4) into the first group of cable seats (2), and fixing the subsequent cable seat positioning plate (4) so as not to move; square grooves are formed in a fixing hole at the left end and a positioning hole at the right end of the subsequent cable seat positioning plate (4), whether the cable seat (2) deviates or not is judged by observing the coincidence of the two square grooves on the subsequent cable seat positioning plate (4) and the central axis of the cable seat (2), and if the deviation is corrected in time, the two cable seats (2) are plugged into the positioning hole, provided with the cable seat (2), at the right end of the subsequent cable seat positioning plate (4) for positioning welding; the assembling and positioning method of each subsequent group of cable seats (2) is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611172728.8A CN107052605B (en) | 2016-12-18 | 2016-12-18 | Assembling and positioning tool and method for cable seat of solid rocket engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611172728.8A CN107052605B (en) | 2016-12-18 | 2016-12-18 | Assembling and positioning tool and method for cable seat of solid rocket engine |
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| Publication Number | Publication Date |
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| CN107052605A CN107052605A (en) | 2017-08-18 |
| CN107052605B true CN107052605B (en) | 2020-12-25 |
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| CN201611172728.8A Active CN107052605B (en) | 2016-12-18 | 2016-12-18 | Assembling and positioning tool and method for cable seat of solid rocket engine |
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| CN108226190B (en) * | 2017-12-17 | 2020-10-16 | 内蒙古航天红岗机械有限公司 | Infrared calibration device of directional X-ray machine |
| CN110732844B (en) * | 2019-10-25 | 2020-10-09 | 湖北三江航天江北机械工程有限公司 | Processing method of multi-joint rocket shell |
| CN110977278B (en) * | 2019-11-15 | 2021-11-16 | 上海新力动力设备研究所 | Solid rocket engine shell cable cover support welding butt joint device |
| CN113163656B (en) * | 2021-03-17 | 2022-03-18 | 中国电子科技集团公司第二十九研究所 | Radio frequency rack cable assembly auxiliary tool and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100504612C (en) * | 2005-12-27 | 2009-06-24 | 上海微电子装备有限公司 | Precision positioning and regulating tool |
| CN201565730U (en) * | 2009-10-21 | 2010-09-01 | 青特集团有限公司 | Device for assisting welding of axle accessory |
| CN201543996U (en) * | 2009-11-17 | 2010-08-11 | 中冶天工建设有限公司 | Cable trench bracket manufacturing mould |
| CN202596923U (en) * | 2012-04-18 | 2012-12-12 | 湖北航天技术研究院总体设计所 | Airborne solid rocket engine casing |
| CN202741953U (en) * | 2012-06-12 | 2013-02-20 | 天津二十冶建设有限公司 | Mold for welding cable duct brackets in batches |
| CN206677414U (en) * | 2016-12-18 | 2017-11-28 | 内蒙古航天红岗机械有限公司 | A kind of assembling positioning tool of solid propellant rocket cable block |
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