CN113525713A - Tight device in top - Google Patents

Tight device in top Download PDF

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Publication number
CN113525713A
CN113525713A CN202110720393.3A CN202110720393A CN113525713A CN 113525713 A CN113525713 A CN 113525713A CN 202110720393 A CN202110720393 A CN 202110720393A CN 113525713 A CN113525713 A CN 113525713A
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CN
China
Prior art keywords
block
plate
tightening device
blocks
pull
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.)
Pending
Application number
CN202110720393.3A
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Chinese (zh)
Inventor
臧伟锋
陈安
闫文伟
董登科
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AVIC Aircraft Strength Research Institute
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AVIC Aircraft Strength Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AVIC Aircraft Strength Research Institute filed Critical AVIC Aircraft Strength Research Institute
Priority to CN202110720393.3A priority Critical patent/CN113525713A/en
Publication of CN113525713A publication Critical patent/CN113525713A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F5/00Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
    • B64F5/60Testing or inspecting aircraft components or systems

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

The application belongs to the technical field of the tight design in aircraft strength test equipment top, concretely relates to tight device in top includes: two ejector blocks which are oppositely arranged; one end of each top plate is correspondingly connected with one top block; pulling a plate; the pull block is arranged opposite to the pull plate; connecting bolt connects the arm-tie, draws the piece, when screwing up, makes the arm-tie, draws the piece and is close to each other, with two kicking blocks butt, draws the piece and wedges between two kicking blocks, draws the piece at least and a kicking block inclined plane cooperation contact, makes two kicking blocks motion dorsad each other, and then makes two kicking blocks motion dorsad.

Description

Tight device in top
Technical Field
The application belongs to the technical field of airplane strength test equipment jacking design, and particularly relates to a jacking device.
Background
In the ground test of the structural strength of the airplane, in some cases, the test equipment is placed in a pit with the depth of more than 1.5 meters in a test room, and in order to fix the test equipment, a jacking device is designed to surround the test equipment and jack between the test equipment and the pit wall, as shown in fig. 1.
Current tight device in top is formed through the bolt assembly by three four sections transition roof beams more, in order to installation to test equipment that can be smooth, between the hole wall, its length slightly is less than test equipment in design more, distance between the hole wall, tight device in top and test equipment promptly, there is little clearance between the hole wall, the existence in this kind of clearance, can not realize the effective fixed to test equipment, in the testing process, test equipment easily takes place to remove in this clearance within range, vibrate, skew test requirement, and easily take place to damage and produce huge noise.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
It is an object of the present application to provide a jacking device to overcome or alleviate at least one of the technical disadvantages of the known prior art.
The technical scheme of the application is as follows:
a jacking device comprising:
two ejector blocks which are oppositely arranged;
one end of each top plate is correspondingly connected with one top block;
pulling a plate;
the pull block is arranged opposite to the pull plate;
connecting bolt connects the arm-tie, draws the piece, when screwing up, makes the arm-tie, draws the piece and is close to each other, with two kicking blocks butt, draws the piece and wedges between two kicking blocks, draws the piece at least and a kicking block inclined plane cooperation contact, makes two kicking blocks motion dorsad each other, and then makes two kicking blocks motion dorsad.
According to at least one embodiment of the present application, in the above-mentioned tightening device, the cross sections of the two top blocks are right-angled trapezoids;
the cross section of the pulling block is isosceles trapezoid, and when the pulling block is wedged between the two jacking blocks, each inclined surface is correspondingly matched and contacted with the inclined surface of one jacking block.
According to at least one embodiment of the present application, in the above-mentioned tightening device, two ejector blocks have ejector block chutes thereon;
the pull block is provided with two pull block bulges; each pulling block is correspondingly clamped in one ejecting block sliding groove in a protruding mode and can slide along the corresponding ejecting block sliding groove.
According to at least one embodiment of the present application, in the above-mentioned tightening device, each of the top block sliding grooves and the corresponding pull block have a T-shaped cross section.
According to at least one embodiment of the present application, in the above-mentioned tightening device, two top blocks have top block protrusions thereon;
the pulling plate is provided with a pulling plate sliding groove; the two ejector blocks are convexly clamped in the pull plate sliding groove and can slide along the pull plate sliding groove.
According to at least one embodiment of the present application, in the above-mentioned tightening device, the cross section of the two top block protrusions and the pull plate sliding grooves thereof is T-shaped.
According to at least one embodiment of the present application, the tightening device further includes:
one side of each adapter plate is correspondingly connected with one top block, and the other side of each adapter plate is connected with one end, facing the corresponding top block, of the corresponding top plate.
According to at least one embodiment of the present application, the tightening device further includes:
one side of each base plate is correspondingly connected with one end, back to the corresponding top block, of one top plate.
According to at least one embodiment of the present application, in the above-mentioned tightening device, the cross sections of the two top plates are i-shaped.
According to at least one embodiment of the present application, in the tightening device, one of the two top plates is relatively long, and the length of the top plate is 4 to 5 times that of the other top plate.
Drawings
FIG. 1 is a schematic view of a conventional jacking device;
FIG. 2 is a schematic view of a tightening device provided in an embodiment of the present application;
wherein:
1-a top block; 2-a top plate; 3-pulling a plate; 4-pulling the block; 5-connecting bolts; 6-a patch panel; 7-backing plate.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1-2.
A jacking device comprising:
two top blocks 1 which are oppositely arranged;
one end of each top plate 2 is correspondingly connected with one top block 1;
a pulling plate 3;
the pull block 4 is arranged opposite to the pull plate 3;
connecting bolt 5 connects arm-tie 3, draws piece 4, when screwing up, makes arm-tie 3, draws piece 4 to be close to each other, with two kicking blocks 1 butts, draws piece 4 to wedge between two kicking blocks 1, draws piece 4 at least and the 1 inclined plane cooperation contact of a kicking block, makes two kicking blocks 1 motion dorsad each other, and then makes two roof 2 motion dorsad.
For the jacking device disclosed in the above embodiment, as can be understood by those skilled in the art, the jacking device can be used as a fixing device for a test equipment test in an aircraft structural strength ground test, and is arranged between the test equipment and a pit wall, and the two top plates 2 move back to back by tightening the connecting bolt 5, so as to increase the effective length of the two top plates 2, and finally, one end of one top plate 2, which is back to the corresponding jacking block 1, is jacked on the test equipment, and one end of the other top plate 2, which is back to the corresponding jacking block 1, is jacked between the test equipment and the pit wall, so that the test equipment can be reliably fixed.
For the jacking device disclosed in the above embodiment, as can be understood by those skilled in the art, the connection bolt 5 is screwed, the pull block 4 and the push block 1 are in inclined surface fit contact, so that the effective lengths of the two top plates 2 can be continuously adjusted, the process is stable, the operation is easy, and the device has good adaptability.
In some alternative embodiments, in the above-mentioned tightening device, the cross sections of the two top blocks 1 are right-angled trapezoids;
the cross section of the pulling block 4 is isosceles trapezoid, and when the pulling block is wedged between the two jacking blocks 1, each inclined surface correspondingly contacts with the inclined surface of one jacking block 1 in a matching manner.
In some optional embodiments, in the above-mentioned tightening device, two top blocks 1 have top block chutes thereon;
the pull block 4 is provided with two pull block bulges; each pulling block is correspondingly clamped in one ejecting block sliding groove in a protruding mode and can slide along the corresponding ejecting block sliding groove.
In some optional embodiments, in the above-mentioned tightening device, the cross section of each top block sliding groove and the corresponding pull block projection is T-shaped.
In some alternative embodiments, in the above-mentioned tightening device, two top blocks 1 have top block protrusions thereon;
the pulling plate 3 is provided with a pulling plate sliding groove; the two ejector blocks are convexly clamped in the pull plate sliding groove and can slide along the pull plate sliding groove.
In some alternative embodiments, in the above-mentioned tightening device, the cross section of the two top block protrusions and the pull plate sliding grooves thereof is T-shaped.
For the jacking device disclosed in the above embodiment, those skilled in the art can understand that the two jacking blocks 1, the pulling plate 3 and the pulling block 4 are connected by corresponding T-shaped sliding grooves and protrusions and combined into a whole, so that the action is stable and the two jacking blocks are not easy to fall off and separate.
In some optional embodiments, the above-mentioned tightening device further includes:
one side of each adapter plate 6 is correspondingly connected with one top block 1, and the other side of each adapter plate 6 is connected with one end, facing the corresponding top block 1, of the corresponding top plate 2.
In some optional embodiments, the above-mentioned tightening device further includes:
and one side of each cushion plate 7 is correspondingly connected with one end of one top plate 2, which is back to the corresponding top block 1.
For the jacking device disclosed in the above embodiment, as can be understood by those skilled in the art, the jacking device is used as a fixing device for a test equipment test in an aircraft structural strength ground test, and when the connecting bolt 5 is screwed down to enable the two top plates 2 to move back to back, the two base plates 7 respectively move towards the test equipment and the pit wall and finally abut against the test equipment and the pit wall, so that on one hand, the situation that the top plates 2 directly abut against the test equipment and the pit wall to generate larger local stress and damage the test equipment can be avoided; on the other hand, after the two base plates 7 respectively abut against the test equipment and the pit wall, the base plates 7 are connected with the test equipment and the pit wall through bolts, so that the base plates 7 are reliably connected with the test equipment and the pit wall and are not loosened.
In some alternative embodiments, the above-mentioned tightening device has a plurality of connecting bolts 5, and when tightening, each connecting bolt 5 may be tightened in a sequential gradual manner, so that the force applied to each part of the pulling block 4 in the inclined surface fit contact with the pulling block is uniform.
In some alternative embodiments, the cross section of the two top plates 2 is i-shaped in the above-mentioned tightening device.
In some alternative embodiments, in the above-mentioned tightening device, one of the two top boards 2 is relatively long, and the length of the top board 2 is 4 to 5 times that of the other top board 2.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.

Claims (10)

1. A jacking device, comprising:
two ejector blocks (1) which are oppositely arranged;
one end of each top plate (2) is correspondingly connected with one top block (1);
a pulling plate (3);
the pull block (4) is arranged opposite to the pull plate (3);
connecting bolt (5), connect arm-tie (3) draw piece (4), when screwing up, make arm-tie (3) draw piece (4) be close to each other, with two kicking block (1) butt, draw piece (4) wedge to two between kicking block (1), draw piece (4) at least with one kicking block (1) inclined plane cooperation contact makes two kicking block (1) motion dorsad each other, and then makes two roof (2) motion dorsad.
2. The tightening device according to claim 1,
the cross sections of the two jacking blocks (1) are right-angled trapezoids;
the cross section of the pulling block (4) is isosceles trapezoid, and when the pulling block is wedged between the two jacking blocks (1), each inclined plane is correspondingly contacted with one inclined plane of one jacking block (1) in a matched mode.
3. The tightening device according to claim 1,
the two ejector blocks (1) are provided with ejector block chutes;
the pull block (4) is provided with two pull block bulges; each pulling block is correspondingly clamped in one of the ejecting block sliding grooves in a protruding mode and can slide along the corresponding ejecting block sliding groove.
4. The tightening device according to claim 3,
each ejecting block sliding groove and the protruding cross section of the corresponding pulling block are T-shaped.
5. The tightening device according to claim 1,
the two top blocks (1) are provided with top block bulges;
the pulling plate (3) is provided with a pulling plate sliding groove; the two ejector blocks are convexly clamped in the pull plate sliding grooves and can slide along the pull plate sliding grooves.
6. The tightening device according to claim 5,
the cross sections of the two top block bulges and the pull plate sliding grooves are T-shaped.
7. The tightening device according to claim 1,
further comprising:
and one side of each adapter plate (6) is correspondingly connected with one of the top blocks (1), and the other side of each adapter plate (6) is connected with one end, facing the corresponding top block (1), of the corresponding top plate (2).
8. The tightening device according to claim 1,
further comprising:
one side of each backing plate (7) is correspondingly connected with one end, back to the corresponding top block (1), of the corresponding top plate (2).
9. The tightening device according to claim 1,
the cross sections of the two top plates (2) are I-shaped.
10. The tightening device according to claim 1,
one of the two top plates (2) is relatively long, and the length of the top plate (2) is 4-5 times that of the other top plate (2).
CN202110720393.3A 2021-06-28 2021-06-28 Tight device in top Pending CN113525713A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110720393.3A CN113525713A (en) 2021-06-28 2021-06-28 Tight device in top

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110720393.3A CN113525713A (en) 2021-06-28 2021-06-28 Tight device in top

Publications (1)

Publication Number Publication Date
CN113525713A true CN113525713A (en) 2021-10-22

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Application Number Title Priority Date Filing Date
CN202110720393.3A Pending CN113525713A (en) 2021-06-28 2021-06-28 Tight device in top

Country Status (1)

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CN (1) CN113525713A (en)

Citations (21)

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CN204621876U (en) * 2015-02-15 2015-09-09 浙江思特亿精密机械科技有限公司 The clamping station of multistation guide rail slide block fixture
CN207239745U (en) * 2017-09-26 2018-04-17 达州市金恒机械有限责任公司 A kind of positioning and clamping mechanism in engine cylinder body finishing
CN207272251U (en) * 2017-09-26 2018-04-27 浙江森强机电制造有限公司 Square cross drill centers special fixture
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CN108942300A (en) * 2018-07-30 2018-12-07 钟晓梅 A kind of new-energy automobile components clamping device
CN208916628U (en) * 2018-07-23 2019-05-31 安徽省雄峰起重机械有限公司 A kind of crane end beam structure
CN110160864A (en) * 2019-05-24 2019-08-23 西北工业大学 A kind of composite laminated plate shock-testing special fixture applying precompression
CN110426278A (en) * 2019-09-03 2019-11-08 西北工业大学 The composite impact test fixture of pre- Tensile or Compressive Loading can be applied
CN209841534U (en) * 2019-03-07 2019-12-24 宁波市劳动安全技术服务公司 Universal testing machine clamp
CN110802427A (en) * 2019-11-27 2020-02-18 无锡微尔逊流体控制技术有限公司 But machining presss from both sides anchor clamps subassembly of tight work piece with both ends clamp
CN210703676U (en) * 2019-07-30 2020-06-09 昆山中超自动化有限公司 Frock clamp is used in mechanical automation production processing
CN211374324U (en) * 2020-01-08 2020-08-28 广东一一科学仪器设备有限公司 Product physical characteristic experiment positioner
CN211438173U (en) * 2020-01-13 2020-09-08 浙江鼎博水暖制造有限公司 Hardware punching clamp
CN211439044U (en) * 2019-12-16 2020-09-08 郑州科技学院 Positioning fixture for machining
CN212742931U (en) * 2020-07-08 2021-03-19 南通皋亚钢结构有限公司 Construction steel member convenient to installation

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB627395A (en) * 1947-09-11 1949-08-08 Ernest John Halliday Improvements in or relating to work-holders for machine tools
US20070267798A1 (en) * 2005-12-22 2007-11-22 Ritchie Bonkowski Workpiece clamping device and method
CN203031764U (en) * 2012-12-21 2013-07-03 中铁九局集团有限公司桥梁分公司 Tension locking and nondestructive sheet-releasing device
CN103341766A (en) * 2013-06-28 2013-10-09 苏州市亿特隆电器有限公司 Elastic tight-pushing device
CN204621876U (en) * 2015-02-15 2015-09-09 浙江思特亿精密机械科技有限公司 The clamping station of multistation guide rail slide block fixture
CN207239745U (en) * 2017-09-26 2018-04-17 达州市金恒机械有限责任公司 A kind of positioning and clamping mechanism in engine cylinder body finishing
CN207272251U (en) * 2017-09-26 2018-04-27 浙江森强机电制造有限公司 Square cross drill centers special fixture
CN207809245U (en) * 2018-02-01 2018-09-04 山西大同大学 A kind of automobile-used device for positioning and securing of arduino
CN108581542A (en) * 2018-07-03 2018-09-28 洛阳广纬精工科技有限公司 A kind of clamping tooling for flat-type part
CN108951320A (en) * 2018-07-19 2018-12-07 中铁二十局集团有限公司 Unballasted track bed plate limiting groove resilient sleeper-bearing holding device and hold out against method
CN208916628U (en) * 2018-07-23 2019-05-31 安徽省雄峰起重机械有限公司 A kind of crane end beam structure
CN108942300A (en) * 2018-07-30 2018-12-07 钟晓梅 A kind of new-energy automobile components clamping device
CN209841534U (en) * 2019-03-07 2019-12-24 宁波市劳动安全技术服务公司 Universal testing machine clamp
CN110160864A (en) * 2019-05-24 2019-08-23 西北工业大学 A kind of composite laminated plate shock-testing special fixture applying precompression
US20200371006A1 (en) * 2019-05-24 2020-11-26 Northwestern Polytechnical University Impact Test Fixture Capable of Applying Preload on Composite Laminate
CN210703676U (en) * 2019-07-30 2020-06-09 昆山中超自动化有限公司 Frock clamp is used in mechanical automation production processing
CN110426278A (en) * 2019-09-03 2019-11-08 西北工业大学 The composite impact test fixture of pre- Tensile or Compressive Loading can be applied
CN110802427A (en) * 2019-11-27 2020-02-18 无锡微尔逊流体控制技术有限公司 But machining presss from both sides anchor clamps subassembly of tight work piece with both ends clamp
CN211439044U (en) * 2019-12-16 2020-09-08 郑州科技学院 Positioning fixture for machining
CN211374324U (en) * 2020-01-08 2020-08-28 广东一一科学仪器设备有限公司 Product physical characteristic experiment positioner
CN211438173U (en) * 2020-01-13 2020-09-08 浙江鼎博水暖制造有限公司 Hardware punching clamp
CN212742931U (en) * 2020-07-08 2021-03-19 南通皋亚钢结构有限公司 Construction steel member convenient to installation

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