CN112025253B - Pull rod assembly and detection integrated device - Google Patents
Pull rod assembly and detection integrated device Download PDFInfo
- Publication number
- CN112025253B CN112025253B CN202010977258.2A CN202010977258A CN112025253B CN 112025253 B CN112025253 B CN 112025253B CN 202010977258 A CN202010977258 A CN 202010977258A CN 112025253 B CN112025253 B CN 112025253B
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- rod end
- fixed
- mandrel
- mandrel base
- guide rail
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- 238000001514 detection method Methods 0.000 title claims description 7
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention provides a pull rod assembly assembling and detecting integrated device, which is characterized in that: the fixed mandrel base and the movable mandrel base are slidably arranged on the linear guide rail body; the fixed mandrel is fixed on the fixed mandrel base; the miniature linear slide block and the movable mandrel base are fixed relatively in the horizontal direction; the upper surface of the miniature linear slide block is provided with a slide groove, one slide block is embedded in the slide groove in a matching way, and the slide block is fixed on the lower surface of the movable mandrel; the inner holes of rod end joint bearings arranged in the rod end bodies at two ends of the pull rod assembly are respectively matched and sleeved on the fixed mandrel and the movable mandrel, two rod end body cover sleeves are respectively covered on the two rod end joint bearings, and the two rod end body cover sleeves respectively compress the two ends of the rod end body connecting rods at two ends to be respectively connected with the rod end bodies at two ends through threads. The invention provides a pull rod assembly assembling and detecting tool with strong adaptability, high assembling efficiency and high qualification rate.
Description
Technical Field
The invention relates to an assembly and detection tool for an aerospace pull rod product.
Background
With the development of aviation technology, the performance requirements of aircraft components are increasing. Aerospace braces are an important component of aircraft components. The device has the characteristics of multiple interface sizes, different center lengths and high center distance precision (+ -0.1 mm), and simultaneously the plane requirements of the rod end bodies 5 (fork lugs) at the two assembled ends are parallel, so that more strict requirements are provided for the assembly and detection of the pull rod.
In the traditional pull rod assembly assembling method, one end rod end body 5 (fork lug) is connected with a connecting rod 6 through threads, is manually screwed in and then is locked, then the other end is connected with the other end by the same means, and the center distance is measured through a vernier caliper (three coordinates) after the two ends are locked; this approach easily results in:
(1) The end surfaces of the two ends are not parallel, and the planes of the two ends cannot be controlled by manual adjustment; after the pull rod is assembled, the nut is required to be locked, and the two planes are not parallel in the locking process;
(2) The requirement on the center distance tolerance of the pull rod assembly is strict, the center distance size is measured after assembly, and the size qualification rate is low;
(3) One end of the pull rod is screwed in and then locked when being assembled, and the other end of the pull rod is locked, so that the assembly efficiency is low;
(4) The screw-in amount of the screw-in of the two ends cannot be controlled, and one screw-in amount of one end is easy to be one screw-in or one screw-in less than the selected screw-in amount of the other end.
Disclosure of Invention
The invention provides a pull rod assembly assembling and detecting integrated device, and aims to solve the defects of the prior art.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a pull rod assembly and detection integrated device which characterized in that:
the fixed mandrel base is slidably arranged on the linear guide rail body, and a screw penetrates through a screw hole of the fixed mandrel base and then abuts against the linear guide rail body so that the fixed mandrel base and the linear guide rail body are relatively fixed;
the fixed mandrel is fixed on the fixed mandrel base;
the movable mandrel base is slidably arranged on the linear guide rail body, and a screw penetrates through a screw hole of the movable mandrel base and then abuts against the linear guide rail body so that the movable mandrel base and the linear guide rail body are relatively fixed;
The miniature linear slide block and the movable mandrel base are fixed relatively in the horizontal direction;
the upper surface of the miniature linear slide block is provided with a slide groove, one slide block is embedded in the slide groove in a matching way, and the slide block is fixed on the lower surface of the movable mandrel;
An inner hole of a rod end joint bearing arranged in a rod end body of one end of the pull rod assembly is matched and sleeved on the fixed mandrel, a rod end body cover is sleeved on the rod end joint bearing, a threaded section of the end part of the fixed mandrel penetrates through a through hole formed in the rod end body cover, a nut is screwed on the threaded section and presses the rod end body cover, and the rod end body cover presses the rod end body;
An inner hole of a rod end joint bearing arranged in a rod end body at the other end of the pull rod assembly is matched and sleeved on the movable mandrel, a rod end body cover is sleeved on the rod end joint bearing, a threaded section at the end part of the movable mandrel penetrates through a through hole formed in the rod end body cover sleeve, a nut is screwed on the threaded section and presses the rod end body cover sleeve, and the rod end body cover sleeve presses the rod end body;
the two ends of the connecting rod in the middle are respectively connected with the rod end bodies at the two ends through threads.
The groove of the fixed mandrel base is sleeved on the linear guide rail body, so that the fixed mandrel base is slidably arranged on the linear guide rail body; the groove of the movable mandrel base is sleeved on the linear guide rail body, so that the movable mandrel base is slidably arranged on the linear guide rail body.
The vertical screw passes through the through hole arranged on the fixing mandrel and then is screwed into the screw hole arranged on the fixing mandrel base, so that the fixing mandrel is fixed on the fixing mandrel base.
The vertical screw is screwed in the through screw hole formed in the bottom surface of the groove, the bottom end of the screw extends out of the upper surface of the movable mandrel base, and the bottom end of the screw is inserted into the concave hole formed in the lower surface of the miniature linear slide block, so that the miniature linear slide block and the movable mandrel base are fixed relatively in the horizontal direction.
The invention has the advantages that:
(1) The suitability is strong: the linear guide rail body is utilized to meet the straightness of products, the movable mandrel base is arranged, and the assembly detection of the linear guide rail body can meet Duan Lagan with different sizes.
(2) The assembly precision is high: the miniature linear sliding block is utilized to meet the requirement of adjusting the size of the pull rod assembly, and the fine adjustment capability of the pull rod assembly can be met;
(3) The assembly efficiency is high: through the left-right rotation structure of the threads at the two ends, the threads at the two ends can be screwed in and screwed out simultaneously through the rotary connecting rod, and the efficiency is improved by more than one time.
(4) Meets the parallel requirements: through stop device, can satisfy two planes parallel after the product assembly.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a first tie rod assembly;
FIG. 2 is a schematic diagram of a second tie rod assembly;
FIG. 3 is a schematic diagram of a third tie rod assembly;
FIG. 4 is a schematic diagram of the structure of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
Fig. 6 is a B-B cross-sectional view of fig. 4.
Detailed Description
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other embodiments may be obtained according to these drawings without inventive effort for a person skilled in the art. In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "bottom," and the like as used in this specification are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 4 and 6:
the groove 21 of the fixed mandrel base 2 is sleeved on the linear guide rail body 1, so that the fixed mandrel base 2 and the linear guide rail body 1 are relatively fixed, and the horizontal screw 12 passes through the screw hole of the fixed mandrel base 2 and then abuts against the side surface of the linear guide rail body 1.
The vertical screw 23 passes through the through hole formed in the fixing mandrel 3 and then is screwed into the screw hole formed in the fixing mandrel base 2, so that the fixing mandrel 3 is fixed on the fixing mandrel base 2.
As shown in fig. 4 and 5:
The groove 91 of the moving mandrel base 9 is sleeved on the linear guide rail body 1, so that the moving mandrel base 9 is slidably mounted on the linear guide rail body 1, and the horizontal screw 19 penetrates through the screw hole of the moving mandrel base 9 and then abuts against the side surface of the linear guide rail body 1, so that the moving mandrel base 9 and the linear guide rail body 1 are relatively fixed.
The vertical screw 89 is screwed into a through screw hole formed in the bottom surface of the groove 91, and the bottom end of the screw 89 extends out of the upper surface of the movable mandrel base 9 and is inserted into a concave hole formed in the lower surface of the miniature linear slide block 8, so that the miniature linear slide block 8 and the movable mandrel base 9 are fixed relatively in the horizontal direction.
The upper surface of the miniature linear slide 8 is provided with a slide groove 81, one slide 71 is embedded in the slide groove 81 in a matching way, a screw 78 passes through a through hole formed in the slide 71 and then is screwed into a screw hole formed in the lower surface of the movable mandrel 7 above the slide 71. Thus, the slider 71 is fixed to the lower surface of the moving mandrel 7, and the moving mandrel 7 is supported on the upper surface of the micro linear slider 8, and can slide in the slide groove 81 because of the slider 71.
As shown in fig. 4, 5 and 6:
a rod end joint bearing 51 is installed in a rod end body 5 at one end of the pull rod assembly, an inner hole of the rod end joint bearing 51 is matched and sleeved on the fixed mandrel 3, a rod end body cover 41 is used as a limiting device to cover the rod end joint bearing 51, a threaded section 32 at the end part of the fixed mandrel 3 penetrates through a through hole formed in the rod end body cover 41, and a nut 33 is arranged on the threaded section 32 in a threaded mode and compresses the rod end body cover 41, so that the rod end body cover 41 compresses the rod end body 5.
The rod end joint bearing 51 is also installed in the rod end body 5 at the other end of the pull rod assembly, an inner hole of the rod end joint bearing 51 is matched and sleeved on the movable mandrel 7, the other rod end body cover sleeve 42 is used as a limiting device to cover the rod end joint bearing 51, a threaded section 72 at the end part of the movable mandrel 7 penetrates through a through hole formed in the rod end body cover sleeve 42, and a nut 73 is arranged on the threaded section 72 in a threaded mode and compresses the rod end body cover sleeve 42, so that the rod end body cover sleeve 42 compresses the rod end body 5.
The two ends of the connecting rod 6 in the middle are respectively connected with the rod end bodies 5 at the two ends through threads.
The invention is used when:
Step 1: the device uses the linear guide rail body 1 as a rail body reference, a fixed mandrel base 2 and a movable mandrel base 9 are designed on the linear guide rail body 1, and the fixed mandrel base 2 and the movable mandrel base 9 can move on the linear guide rail body 1 at will and are fixed through screws 12 and 19 respectively, so that the different size requirements of the pull rod assembly are met.
Step 2: the two bases are respectively connected with an interface size mandrel, the fixed mandrel 3 at one end is provided with the fixed mandrel base 2 to play a role in fixing, the movable mandrel base 9 at the other end is connected with the miniature linear slide block 8 and the movable mandrel 7, and the movable mandrel 7 can be moved and adjusted leftwards and rightwards along the direction of the linear guide rail body 1 by utilizing the matching of the sliding groove 81 of the miniature linear slide block 8 and the slide block 71 of the movable mandrel 7.
Step 3: when the pull rod assembly is assembled, the fixed core shaft 3 and the movable core shaft 7 at two ends are respectively connected with the rod end joint bearing 51 (fork lug) at the end, and meanwhile, the rod end cover sleeve 41 and the rod end cover sleeve 42 are respectively pressed against the (fork lug) end face of the rod end body 5 to limit the plane, so that the planes of the fixed core shaft and the movable core shaft are all on the same plane after assembly.
Step 4: after the external threads of the rod end body 5 (fork lug) and the internal threads of the connecting rod 6 are screwed in, the connecting rod 6 can be rotated, the threaded connection structures at the two ends of the connecting rod can be screwed in or out, the rod end body 5 (fork lug) sleeved on the movable mandrel 7 can move left and right, whether the adjusting capacity, the threaded tolerance fit and the threaded length of the connecting rod 6 meet the product requirements can be verified, meanwhile, the two end rod end bodies 5 (fork lugs) can be assembled together, and the assembly efficiency is improved.
Step 5: during measurement, a pull rod assembly product is firstly assembled to detect the center distance value by three coordinates, and the three-coordinate value of the pull rod is used as the standard component value. The device is assembled before the product standard component is aligned, the center distance size of the product standard component can be read through the numerical value on the comparison dial indicator, then after the pull rod is adjusted and finely adjusted according to the difference value between the dial numerical value and the center distance size, nuts at two ends of the connecting rod 6 are locked by using a spanner after the center distance size of the pull rod meets the requirement, wherein in order to ensure the center distance size of the pull rod, the standard component is aligned before each pull rod is assembled and detected.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. The utility model provides a pull rod assembly and detection integrated device which characterized in that:
the groove of the fixed mandrel base is sleeved on the linear guide rail body, so that the fixed mandrel base is slidably arranged on the linear guide rail body, and a screw penetrates through a screw hole of the fixed mandrel base and then abuts against the linear guide rail body, so that the fixed mandrel base and the linear guide rail body are relatively fixed;
The vertical screw passes through the through hole arranged on the fixed mandrel and then is screwed into the screw hole arranged on the fixed mandrel base, so that the fixed mandrel is fixed on the fixed mandrel base;
The groove of the movable mandrel base is sleeved on the linear guide rail body, so that the movable mandrel base is slidably arranged on the linear guide rail body, and a screw penetrates through a screw hole of the movable mandrel base and then abuts against the linear guide rail body, so that the movable mandrel base is relatively fixed with the linear guide rail body;
the vertical screw is screwed in a through screw hole formed in the bottom surface of the groove of the movable mandrel base, the bottom end of the screw extends out of the upper surface of the movable mandrel base, and the bottom end of the screw is inserted into a concave hole formed in the lower surface of the miniature linear slide block, so that the miniature linear slide block and the movable mandrel base are fixed relatively in the horizontal direction;
the upper surface of the miniature linear slide block is provided with a slide groove, one slide block is embedded in the slide groove in a matching way, and the slide block is fixed on the lower surface of the movable mandrel;
An inner hole of a rod end joint bearing arranged in a rod end body of one end of the pull rod assembly is matched and sleeved on the fixed mandrel, a rod end body cover is sleeved on the rod end joint bearing, a threaded section of the end part of the fixed mandrel penetrates through a through hole formed in the rod end body cover, a nut is screwed on the threaded section and presses the rod end body cover, and the rod end body cover presses the rod end body;
An inner hole of a rod end joint bearing arranged in a rod end body at the other end of the pull rod assembly is matched and sleeved on the movable mandrel, a rod end body cover is sleeved on the rod end joint bearing, a threaded section at the end part of the movable mandrel penetrates through a through hole formed in the rod end body cover sleeve, a nut is screwed on the threaded section and presses the rod end body cover sleeve, and the rod end body cover sleeve presses the rod end body;
the two ends of the connecting rod in the middle are respectively connected with the rod end bodies at the two ends through threads.
Priority Applications (1)
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CN202010977258.2A CN112025253B (en) | 2020-09-17 | 2020-09-17 | Pull rod assembly and detection integrated device |
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CN202010977258.2A CN112025253B (en) | 2020-09-17 | 2020-09-17 | Pull rod assembly and detection integrated device |
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CN112025253A CN112025253A (en) | 2020-12-04 |
CN112025253B true CN112025253B (en) | 2024-05-14 |
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CN202010977258.2A Active CN112025253B (en) | 2020-09-17 | 2020-09-17 | Pull rod assembly and detection integrated device |
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Families Citing this family (1)
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CN114473466B (en) * | 2022-02-17 | 2023-01-10 | 成都飞机工业(集团)有限责任公司 | Automatic twisting machine for pull rod |
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CN201394733Y (en) * | 2009-04-30 | 2010-02-03 | 宁波以赛亚汽车空压机有限公司 | Assembling device of piston connecting rod component |
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CN104019728A (en) * | 2014-05-30 | 2014-09-03 | 福州钜立机动车配件有限公司 | Integration testing fixture for parallelism and center distance of large hole and small hole of a connecting rod |
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CN108382143A (en) * | 2018-03-22 | 2018-08-10 | 清华大学 | A kind of Linear scaling bar |
CN110877198A (en) * | 2019-11-15 | 2020-03-13 | 中国航发沈阳黎明航空发动机有限责任公司 | Guide device applied to falling installation of engine fan unit body |
CN111408938A (en) * | 2020-04-10 | 2020-07-14 | 埃夫特智能装备股份有限公司 | Rod length adjustable industrial robot connecting rod structure assembly auxiliary device |
CN212496328U (en) * | 2020-09-17 | 2021-02-09 | 福建龙溪轴承(集团)股份有限公司 | Pull rod assembly assembling and detecting integrated device |
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2020
- 2020-09-17 CN CN202010977258.2A patent/CN112025253B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2141113A1 (en) * | 2008-07-02 | 2010-01-06 | Jürgen Zimmermann | Adjusting device for positioning a load |
CN201394733Y (en) * | 2009-04-30 | 2010-02-03 | 宁波以赛亚汽车空压机有限公司 | Assembling device of piston connecting rod component |
CN202200004U (en) * | 2011-08-05 | 2012-04-25 | 云南西仪工业股份有限公司 | Press-in tool for connecting rod bushings of engines |
CN104019728A (en) * | 2014-05-30 | 2014-09-03 | 福州钜立机动车配件有限公司 | Integration testing fixture for parallelism and center distance of large hole and small hole of a connecting rod |
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CN108382143A (en) * | 2018-03-22 | 2018-08-10 | 清华大学 | A kind of Linear scaling bar |
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CN212496328U (en) * | 2020-09-17 | 2021-02-09 | 福建龙溪轴承(集团)股份有限公司 | Pull rod assembly assembling and detecting integrated device |
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