CN112025253A - Pull rod assembly assembling and detecting integrated device - Google Patents
Pull rod assembly assembling and detecting integrated device Download PDFInfo
- Publication number
- CN112025253A CN112025253A CN202010977258.2A CN202010977258A CN112025253A CN 112025253 A CN112025253 A CN 112025253A CN 202010977258 A CN202010977258 A CN 202010977258A CN 112025253 A CN112025253 A CN 112025253A
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- rod end
- fixed
- mandrel base
- guide rail
- linear guide
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- 238000012797 qualification Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 2
- 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
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Classifications
-
- 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 micro linear slider and the movable mandrel base are relatively fixed in the horizontal direction; the upper surface of the miniature linear sliding block is provided with a sliding chute, one sliding block is embedded in the sliding chute in a matching way, and the sliding block is fixed on the lower surface of the movable core shaft; inner holes of rod end joint bearings installed in rod end bodies at two ends of the pull rod assembly are respectively matched and sleeved on the fixed core shaft and the movable core shaft, two rod end body cover sleeves are respectively covered on the two rod end joint bearings, and the two rod end body cover sleeves are respectively tightly pressed at two ends of a rod end body connecting rod at two ends and are respectively connected with the rod end bodies at two ends through threads. The invention provides a pull rod assembly assembling and detecting tool which is strong in adaptability, high in assembling efficiency and high in qualification rate.
Description
Technical Field
The invention relates to an aerospace pull rod product assembling and detecting tool.
Background
With the development of aviation technology, people have higher and higher requirements on the performance of aircraft components. Aerospace pull rods are important components of aircraft components. The connector has the characteristics of multiple connector sizes, different center lengths and high center distance precision (+/-0.1 mm), and meanwhile, planes of rod end bodies 5 (fork lugs) at two assembled ends are required to be parallel, so that stricter requirements are provided for pull rod assembly and detection.
In the traditional pull rod assembly assembling method, a rod end body 5 (fork lug) at one end is connected with a connecting rod 6 through threads, the rod end body is manually screwed in and then locked, then the other end is connected by the same means, and the center distance is measured through a vernier caliper (three-coordinate) after the two ends are locked; this approach easily leads to:
(1) the end surfaces of the two ends are not parallel, and the two end planes cannot be controlled by manual adjustment; the nut is required to be locked after the pull rod is assembled, and the two planes are not parallel in the locking process;
(2) the tolerance requirement of the center distance of the pull rod assembly is tighter, the size of the center distance is measured after the pull rod assembly is assembled, and the size qualified rate is low;
(3) when the pull rod is assembled, one end of the pull rod is screwed in and then locked, and then the other end of the pull rod is locked, so that the assembly efficiency is low;
(4) the screwing amount of the threads at the two ends cannot be controlled, and one more screw or one less screw is easily selected at one end compared with the other end.
Disclosure of Invention
The invention provides a pull rod assembly assembling and detecting integrated device, aims to solve the defects of the prior art, and provides a pull rod assembly assembling and detecting tool which is strong in adaptability, high in assembling efficiency and high in qualification rate.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a pull rod assembly assembles and detects 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 micro linear slider and the movable mandrel base are relatively fixed in the horizontal direction;
the upper surface of the miniature linear sliding block is provided with a sliding chute, one sliding block is embedded in the sliding chute in a matching way, and the sliding block is fixed on the lower surface of the movable core shaft;
an inner hole of a rod end joint bearing arranged in a rod end body at one end of the pull rod assembly is sleeved on the fixed mandrel in a matching manner, a rod end body cover is covered on the rod end joint bearing, a thread section at 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 thread section and presses the rod end body cover, and the rod end body cover is sleeved on the pressing 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 sleeved on the movable core shaft in a matching manner, a rod end body cover is covered on the rod end joint bearing, a thread section at the end part of the movable core shaft penetrates through a through hole formed in the rod end body cover, a nut is screwed on the thread section and presses the rod end body cover, and the rod end body cover is sleeved on the pressing 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 penetrates through the through hole formed in the fixed mandrel and then is screwed into the screw hole formed in the fixed mandrel base, so that the fixed mandrel is fixed on the fixed 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 sliding block, so that the miniature linear sliding block and the movable mandrel base are relatively fixed in the horizontal direction.
The invention has the advantages that:
(1) the adaptability is strong: the linear guide rail body is used for meeting the product straightness accuracy, and the movable mandrel base is arranged, so that pull rods with different sizes can be met, and assembly and detection are realized.
(2) The assembly precision is high: the micro linear slider is used for meeting 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 and the rotation connecting rod, the threads at the two ends can be simultaneously screwed in and out, and the efficiency is improved by more than one time.
(4) The parallel requirement is met: through stop device, can satisfy two planes parallel after the product assembly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a first tie rod assembly;
FIG. 2 is a schematic view of a second tie rod assembly;
FIG. 3 is a schematic view of a third tie rod assembly;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
fig. 6 is a sectional view B-B of fig. 4.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "upper," "lower," "inner," "outer," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of 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 is slidably mounted on the linear guide rail body 1, and the horizontal screw 12 penetrates through the screw hole of the fixed mandrel base 2 and then abuts against the side face of the linear guide rail body 1, so that the fixed mandrel base 2 and the linear guide rail body 1 are relatively fixed.
The vertical screw 23 is screwed into the screw hole of the fixed mandrel base 2 after passing through the through hole of the fixed mandrel 3, so that the fixed mandrel 3 is fixed on the fixed mandrel base 2.
As shown in fig. 4 and 5:
the groove 91 of the movable mandrel base 9 is sleeved on the linear guide rail body 1 so as to be slidably mounted on the linear guide rail body 1, and the horizontal screw 19 penetrates through the screw hole of the movable mandrel base 9 and then abuts against the side face of the linear guide rail body 1, so that the movable mandrel base 9 and the linear guide rail body 1 are relatively fixed.
The upper surface of the miniature linear sliding block 8 is provided with a sliding groove 81, a sliding block 71 is embedded in the sliding groove 81 in a matching way, and a screw 78 passes through a through hole arranged on the sliding block 71 and then is screwed into a screw hole arranged on the lower surface of the movable core shaft 7 above the sliding block 71. In this way, the slide block 71 is fixed on the lower surface of the moving mandrel 7, and the moving mandrel 7 is mounted on the upper surface of the micro linear slide block 8 and can slide in the slide groove 81 because of the slide block 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 sleeved on the fixed core shaft 3 in a matched mode, a rod end body cover sleeve 41 is covered on the rod end joint bearing 51 as a limiting device, a threaded section 32 at the end portion of the fixed core shaft 3 penetrates through a through hole formed in the rod end body cover sleeve 41, a nut 33 is arranged on the threaded section 32 in a threaded mode and presses the rod end body cover sleeve 41, and therefore the rod end body cover sleeve 41 presses the rod end body 5.
A 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 sleeved on the movable core shaft 7 in a matching mode, the other rod end body cover sleeve 42 is covered on the rod end joint bearing 51 as a limiting device, a threaded section 72 at the end part of the movable core shaft 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 presses the rod end body cover sleeve 42, so that the rod end body cover sleeve 42 presses the rod end body 5.
Two ends of the connecting rod 6 positioned in the middle are respectively connected with the rod end bodies 5 at the two ends through threads.
When the invention is used:
step 1: the device takes a 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, the fixed mandrel base 2 and the movable mandrel base 9 can move freely on the linear guide rail body 1 and are fixed through screws 12 and 19 respectively, and different size requirements of a pull rod assembly are met.
Step 2: the two bases are respectively connected with the size mandrels of the interface, the fixed mandrel 3 at one end is provided with the fixed mandrel base 2 to play a fixing role, the movable mandrel base 9 at the other end is connected with the miniature linear sliding block 8 and the movable mandrel 7, and the movable mandrel 7 can be adjusted left and right in the direction of the linear guide rail body 1 by matching the sliding groove 81 of the miniature linear sliding block 8 with the sliding block 71 of the movable mandrel 7.
And 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 knuckle bearing 51 (fork lug) at the end, and meanwhile, the rod end body cover sleeve 41 and the rod end body cover sleeve 42 are used for respectively pressing the end face (fork lug) of the rod end body 5 to limit the plane of the rod end body, so that the plane of the rod end body 5 can be ensured to be on the same plane after assembly.
And 4, step 4: after the external thread of the rod end body 5 (fork lug) and the internal thread of the connecting rod 6 are screwed in, the connecting rod 6 can be rotated, and the screw-in or screw-out of the threaded connection structure at the two ends of the connecting rod can be realized, so that the rod end body 5 (fork lug) sleeved on the movable core shaft 7 is moved leftwards and rightwards, the step can verify the adjusting capacity of the connecting rod 6, the thread tolerance fit and the thread length whether to meet the product requirements, and meanwhile, the two-end rod end bodies 5 (fork lug) can be assembled together, and the assembling efficiency is improved.
And 5: during measurement, a pull rod assembly product is firstly installed to detect the central distance value in a three-coordinate mode, and the value of the three-coordinate of the pull rod is used as the value of a standard component. The device assembles earlier and proofreads the table to good product standard component, and numerical value reads out on the central distance size accessible comparison mode percentage table, then adjusts the fine setting back according to dial plate numerical value and central distance size difference to the pull rod, makes 6 both ends nuts of connecting rod lock with the spanner after central distance size reaches the requirement, wherein in order to guarantee pull rod central distance size, need be to good standard component before every pull rod equipment detects.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred 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 (4)
1. The utility model provides a pull rod assembly assembles and detects 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 micro linear slider and the movable mandrel base are relatively fixed in the horizontal direction;
the upper surface of the miniature linear sliding block is provided with a sliding chute, one sliding block is embedded in the sliding chute in a matching way, and the sliding block is fixed on the lower surface of the movable core shaft;
an inner hole of a rod end joint bearing arranged in a rod end body at one end of the pull rod assembly is sleeved on the fixed mandrel in a matching manner, a rod end body cover is covered on the rod end joint bearing, a thread section at 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 thread section and presses the rod end body cover, and the rod end body cover is sleeved on the pressing 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 sleeved on the movable core shaft in a matching manner, a rod end body cover is covered on the rod end joint bearing, a thread section at the end part of the movable core shaft penetrates through a through hole formed in the rod end body cover, a nut is screwed on the thread section and presses the rod end body cover, and the rod end body cover is sleeved on the pressing 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.
2. The integrated assembly and testing device of claim 1, wherein: 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.
3. The integrated assembly and testing device of claim 1, wherein: the vertical screw penetrates through the through hole formed in the fixed mandrel and then is screwed into the screw hole formed in the fixed mandrel base, so that the fixed mandrel is fixed on the fixed mandrel base.
4. The integrated assembly and testing device of claim 1, wherein: 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 sliding block, so that the miniature linear sliding block and the movable mandrel base are relatively fixed in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010977258.2A CN112025253B (en) | 2020-09-17 | 2020-09-17 | Pull rod assembly and detection integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010977258.2A CN112025253B (en) | 2020-09-17 | 2020-09-17 | Pull rod assembly and detection integrated device |
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| Publication Number | Publication Date |
|---|---|
| CN112025253A true CN112025253A (en) | 2020-12-04 |
| CN112025253B CN112025253B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473466A (en) * | 2022-02-17 | 2022-05-13 | 成都飞机工业（集团）有限责任公司 | Automatic twisting machine for pull rod |
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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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2020
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114473466A (en) * | 2022-02-17 | 2022-05-13 | 成都飞机工业（集团）有限责任公司 | Automatic twisting machine for pull rod |
| 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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| Publication number | Publication date |
|---|---|
| CN112025253B (en) | 2024-05-14 |
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