CN117451482A - Angle-adjustable bottom load transfer device for ejection test - Google Patents

Angle-adjustable bottom load transfer device for ejection test Download PDF

Info

Publication number
CN117451482A
CN117451482A CN202311243215.1A CN202311243215A CN117451482A CN 117451482 A CN117451482 A CN 117451482A CN 202311243215 A CN202311243215 A CN 202311243215A CN 117451482 A CN117451482 A CN 117451482A
Authority
CN
China
Prior art keywords
support frame
transfer device
load transfer
jack
ejection
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
CN202311243215.1A
Other languages
Chinese (zh)
Inventor
雷世东
董朝庆
秦利
王南
吴新跃
贾海龙
郭振
李操
赵文
刘福君
秦伟
韩伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Institute of Space Launch Technology
Original Assignee
Beijing Institute of Space Launch Technology
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 Beijing Institute of Space Launch Technology filed Critical Beijing Institute of Space Launch Technology
Priority to CN202311243215.1A priority Critical patent/CN117451482A/en
Publication of CN117451482A publication Critical patent/CN117451482A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A31/00—Testing arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/08—Shock-testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/04—Chucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses an angle-adjustable bottom load transfer device for an ejection test, and relates to a mechanical support and load transfer device. The bottom load transmission device with the adjustable angle is used for transmitting large ejection load to the ground in order to provide the bottom load transmission device with the adjustable angle, wherein the bottom load transmission device can adapt to load transmission requirements of different angles. The invention discloses an angle-adjustable bottom load transfer device for an ejection test, which comprises a top support frame, a bottom support frame and a limiting rod assembly, wherein a support structure assembly with inclination and a first jack lifting system are arranged between the top support frame and a bottom support piece, one end of the limiting rod assembly is fixed on a test bottom plate, and the other end of the limiting rod assembly penetrates through the top support frame and can limit the top support frame.

Description

Angle-adjustable bottom load transfer device for ejection test
Technical Field
The invention relates to the technical field of load transfer devices, in particular to an angle-adjustable bottom load transfer device for ejection test.
Background
In the technical field of ejection test, in order to verify the performance of an ejection system of an ejection device, the ejection device is generally required to be inclined by a certain angle, and when the ejection device is required to be loaded in a vertical state and then ejected by an inclined angle or ejected by different angles, a bottom load transfer device with a variable angle is required.
The traditional bottom load transfer device is of a fixed angle structure, cannot adapt to the requirement of oblique ejection after vertical loading, and does not have the requirement of variable angle capacity load transfer.
Disclosure of Invention
The invention aims to solve the technical problem of providing an angle-adjustable bottom load transmission device which can adapt to load transmission requirements of different angles and transmit large ejection load to the ground.
The invention discloses an angle-adjustable bottom load transfer device for an ejection test, which comprises a top support frame, a bottom support frame and a limiting rod assembly, wherein a support structure assembly with inclination and a first jack lifting system are arranged between the top support frame and a bottom support piece, one end of the limiting rod assembly is fixed on a test bottom plate, and the other end of the limiting rod assembly penetrates through the top support frame and can limit the top support frame.
The invention relates to an angle-adjustable bottom load transfer device for an ejection test, wherein a bottom support frame is placed on a test bottom plate, one side of the bottom support frame is hinged with a top support frame, and the other side of the bottom support frame is provided with a first jack lifting system.
The invention discloses an angle-adjustable bottom load transfer device for an ejection test, wherein a first jack lifting system comprises a plurality of jacks which are symmetrically arranged, a top cover of each jack is fixed on a top support frame, a base of each jack is a rotary kinematic pair, and the rotary kinematic pair is arranged on a bottom support frame.
The invention discloses an angle-adjustable bottom load transfer device for an ejection test, wherein a plurality of jacks in a first jack lifting system are connected with an oil source through the same synchronous flow dividing valve.
The invention relates to an angle-adjustable bottom load transfer device for an ejection test, wherein a limiting rod assembly comprises a screw rod, the screw rod is movably installed through a long hole formed in a top support frame, an upper nut and a lower nut are installed on the screw rod, and the upper nut and the lower nut are respectively positioned on the upper side and the lower side of the top support frame.
The invention relates to an angle-adjustable bottom load transfer device for an ejection test, wherein the bottom of a screw is a ball head, an upper screw support and a lower screw support are arranged outside the ball head, the ball head can be wrapped by the upper screw support and the lower screw support, and the upper screw support and the lower screw support are fixed on a test bottom plate through bolts.
The invention discloses an angle-adjustable bottom load transfer device for an ejection test, wherein the inclined support structure assembly comprises an inclined support structure, and the inclined support structure is driven by a lifting driving mechanism and a translation driving mechanism respectively.
The invention discloses an angle-adjustable bottom load transfer device for an ejection test, wherein a lifting driving mechanism comprises a second jack lifting system, the second jack lifting system comprises a plurality of jacks which are uniformly distributed relative to the mass center of a support structure with inclination, the plurality of jacks are connected with an oil source through a synchronous flow dividing valve, and the base of each jack is a ball pair.
The invention discloses an angle-adjustable bottom load transfer device for an ejection test, wherein a translation driving mechanism comprises a linear guide rail and a screw nut pair structure, the translation driving mechanism is arranged on a fixed support frame, a long rod is arranged at a nut part of the screw nut pair, and the long rod penetrates through a support structure with inclination to be connected and is suitable for the high and low positions of the support structure with inclination.
The invention provides an angle-adjustable bottom load transfer device for an ejection test, wherein the inclined support structure comprises a main body structure and a detachable part.
The angle-adjustable bottom load transfer device for the ejection test is different from the prior art in that the angle-adjustable bottom load transfer device for the ejection test can adapt to vertical installation of a test product, vertical ejection, ejection after an integral inclination angle and transfer of a large load to the ground through the top support frame with an adjustable angle and the inclined support structure assembly arranged between the top support frame and the bottom support frame.
The angle-adjustable bottom load transfer device for ejection test of the present invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of an adjustable angle bottom load carrier of the present invention in a vertical position for use in an ejection test;
FIG. 2 is a top view of the adjustable angle bottom load carrier of the present invention in a vertical position for an ejection test;
FIG. 3 is a front view of the invention in an angled bottom load carrier tilted position for an ejection test;
FIG. 4 is a perspective view of the bottom load carrier of the present invention in an angled configuration for use in an ejection test;
FIG. 5 is a schematic view of a stop lever assembly in an angle-adjustable bottom load transfer device for use in an ejection test according to the present invention;
FIG. 6 is a front view of a tilt-bearing support structure assembly in an adjustable angle bottom load carrier for use in an ejection test in accordance with the present invention;
FIG. 7 is a top view of a tilt bearing structure in an adjustable angle bottom load carrier for use in an ejection test in accordance with the present invention;
FIG. 8 is a schematic diagram of an end face structure of a lead screw nut pair structure in an angle-adjustable bottom load transfer device for ejection test according to the present invention;
FIG. 9 is a top view of the translation drive mechanism of the adjustable angle bottom load carrier for the ejection test of the present invention;
FIG. 10 is a cross-sectional view taken along line A-A of FIG. 9;
the labels in the figures are: 1-a support structure assembly with a slope; 2-a first jack lifting system; 3-a limiting rod assembly; 4-top support frame; 5-a bottom support frame; 6-a linear guide rail; 7-a screw nut pair structure; 11-lower screw support; 12-an upper screw support; 13-a screw; 14-upper nut; 15-lower nut; 16-a second jack lifting system; 17-a sloped support structure; 18-long rod; 19-nut.
Detailed Description
The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the angle-adjustable bottom load transfer device for the ejection test of the present invention comprises a top support frame 4, a bottom support frame 5, a support structure assembly with inclination 1, a first jack lifting system 2 and a stop lever assembly 3. The reference product is arranged on the top supporting frame 4, and the bottom load transfer device can adapt to inclined ejection and vertical ejection.
The bottom support frame 5 is placed on experimental bottom plate, and one side of bottom support frame 5 is articulated with top support frame 4 to be connected, and top support frame 4 can rotate around articulated department. A first jack-up system 2 is arranged on the side opposite to the hinge joint, and the first jack-up system 2 is arranged between the top support frame 4 and the bottom support frame 5.
The first jack-up system 2 comprises two symmetrically arranged jacks, and the two jacks are connected with an oil source through the same synchronous shunt valve. The top covers of the two jacks are fixed on the top support frame 4, the bases of the two jacks are coaxial rotary kinematic pairs, and the rotary kinematic pairs are arranged on the bottom support frame 5. When the top cover of the jack stretches out, one end of the top support frame 4 is pushed to move upwards, and meanwhile, the rotary kinematic pair of the base of the jack rotates on the bottom support frame 5.
The same side of the top support frame 4 connected with the jack is provided with a limiting rod assembly 3, and as shown in fig. 1-5, the limiting rod assembly 3 comprises a screw 13, and the screw 13 is movably installed through a long hole formed in the top support frame 4. An upper nut 14 and a lower nut 15 are arranged on the screw 13, and the upper nut 14 and the lower nut 15 are respectively positioned on the upper side and the lower side of the top supporting frame 4. The bottom of the screw 13 is a ball head, an upper screw support 12 and a lower screw support 11 are arranged outside the ball head, and the ball head can be wrapped by the upper screw support 12 and the lower screw support 11. Bolt holes are machined in corresponding positions of the upper screw support 12 and the lower screw support 11, the upper screw support 12 and the lower screw support 11 are fixed on a test bottom plate through bolts, and bottom fixing of the limiting rod assembly 3 is achieved.
The sloped support structure assembly 1 may be configured according to the degree of tilt, as shown in fig. 6, 7 and 9, with the sloped support structure assembly 1 including a sloped support structure 17. The support structure with inclination 17 is driven by a lifting drive mechanism and a translation drive mechanism respectively, wherein the lifting drive mechanism comprises a second jack lifting system 16, and the translation drive mechanism comprises a linear guide rail 6 and a screw nut pair structure 7. The second jack-up system 16 includes a plurality of jacks uniformly distributed about the center of mass of the sloped support structure 17, the plurality of jacks being connected to the source of oil through a synchronous diverter valve, the base of each jack being a ball pair. The translation driving mechanism is arranged on the fixed supporting frame. As shown in fig. 8 to 10, the nut 19 portion of the lead screw nut pair is provided with a long rod 18, and the long rod 18 is connected through the inclined support structure 17 and adapted to the height position of the inclined support structure 17.
To accommodate more angle trials and to accommodate the height of the pitched support structure 17, other angles of pitched support structure 17 may be split, including a main body structure and a detachable portion.
As shown in fig. 1 and 2, when the bottom carrier is in a vertical state, the top support frame 4 is in direct contact with the bottom support frame 5, and the load is transmitted to the bottom support frame 5 through the top support frame 4.
As shown in fig. 3 and 4, when the bottom load transfer apparatus is in an inclined state, the inclined support structure 17 is in direct contact with the top support frame 4 and the bottom support frame 5, respectively, and the load is transferred to the bottom support frame 5 through the top support frame 4 and the inclined support structure 17.
When the bottom loading device is switched from the vertical state to the inclined state, the top support frame 4 is rotated by the first jack-up system 2.
The invention relates to an angle-adjustable bottom load transfer device for an ejection test, which mainly comprises the following steps:
(1) The bottom load transfer device is initially in a vertical state, wherein the upper nut 14 of the limiting rod moves downwards to press the top support frame 4;
(2) A launching device for ejection test is arranged above the bottom load transfer device;
(3) The upper nut 14 of the stop lever moves up; starting a jack in the first jack lifting system 2 to enable the top support frame 4 to incline (slightly larger than the ejection angle) and hydraulically locking; the lower nut 15 of the limiting rod moves upwards to be in contact with the lower surface of the top supporting frame 4;
(4) The supporting structure 17 with inclination is lifted to an upper limit position (the bottom of the supporting structure 17 with inclination is higher than the bottom supporting frame 5) through a plurality of jacks of the second jack lifting system 16, and is hydraulically locked; the rocking handle pushes the inclined support structure 17 into place through a screw nut;
(5) The lower nut 15 of the limiting rod moves downwards; unloading the jack in the first jack-up system 2 to bring the top support frame 4 into contact with the sloped support structure 17; the upper nut 14 of the limit rod moves downwards, and the jack moves downwards to press the top support frame 4.
The bottom load transferring device with the adjustable angle for the ejection test enables the bottom load transferring device to be suitable for vertically installing a test product, vertically ejecting and transferring ejection load to the ground through the top support frame 4 with the adjustable angle and the support structure assembly 1 with the inclination arranged between the top support frame 4 and the bottom support frame 5. The initial position of the top support frame 4 connected with the test product can be vertical to the vertical direction, and the test product can be vertically installed at the moment to be vertically ejected; when the top support frame 4 rotates by an angle, and the assembly 1 with the inclination support structure 17 with the proper angle is put between the top support frame 4 and the bottom support frame 5, the ejection can be performed after the whole inclination angle. The stop lever assembly 3 provided between the top support 4 and the test floor can assist the top support 4 to stop at an angle at which it is required to stop.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.

Claims (10)

1. A adjustable angle bottom carries device for catapulting test, its characterized in that: including top support frame, bottom sprag frame and gag lever post assembly, be provided with between top support frame and the bottom sprag piece and take inclination bearing structure assembly and first jack lifting system, gag lever post assembly one end is fixed on experimental bottom plate, and the other end passes top support frame to can carry out spacingly to top support frame.
2. The adjustable angle bottom load transfer device for an ejection test of claim 1, wherein: the bottom support frame is placed on the test bottom plate, one side of the bottom support frame is hinged with the top support frame, and a first jack lifting system is arranged on the other side of the bottom support frame.
3. The adjustable angle bottom load transfer device for ejection testing of claim 1 or 2, wherein: the first jack lifting system comprises a plurality of jacks which are symmetrically arranged, a top cover of each jack is fixed on the top support frame, a base of each jack is a rotary kinematic pair, and the rotary kinematic pairs are arranged on the bottom support frame.
4. An adjustable angle bottom load transfer device for use in an ejection test as in claim 3, wherein: and a plurality of jacks in the first jack lifting system are connected with an oil source through the same synchronous shunt valve.
5. The adjustable angle bottom load transfer device for an ejection test of claim 1, wherein: the limiting rod assembly comprises a screw rod, the screw rod penetrates through a long hole formed in the top support frame to be movably mounted, an upper nut and a lower nut are mounted on the screw rod, and the upper nut and the lower nut are respectively located on the upper side and the lower side of the top support frame.
6. The adjustable angle bottom load transfer device for an ejection test of claim 5, wherein: the bottom of screw rod is the bulb, and the bulb outside is provided with screw rod support and lower screw rod support, and screw rod support and lower screw rod support can wrap up the bulb, fix upper screw rod support and lower screw rod support on experimental bottom plate through the bolt.
7. The adjustable angle bottom load transfer device for an ejection test of claim 1, wherein: the inclined support structure assembly comprises an inclined support structure, and the inclined support structure is driven by a lifting driving mechanism and a translation driving mechanism respectively.
8. The adjustable angle bottom load transfer device for an ejection test of claim 7, wherein: the lifting driving mechanism comprises a second jack lifting system, the second jack lifting system comprises a plurality of jacks uniformly distributed relative to the mass center of the support structure with inclination, the jacks are connected with an oil source through a synchronous flow dividing valve, and the base of each jack is a ball pair.
9. The adjustable angle bottom load transfer device for an ejection test of claim 7, wherein: the translation driving mechanism comprises a linear guide rail and a screw nut pair structure, the translation driving mechanism is arranged on the fixed supporting frame, a long rod is arranged on a nut part of the screw nut pair, and the long rod penetrates through the inclined supporting structure to be connected and adapt to the high-low position of the inclined supporting structure.
10. The adjustable angle bottom load transfer device for an ejection test of claim 7, wherein: the sloped support structure includes a main body structure and a detachable portion.
CN202311243215.1A 2023-09-25 2023-09-25 Angle-adjustable bottom load transfer device for ejection test Pending CN117451482A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311243215.1A CN117451482A (en) 2023-09-25 2023-09-25 Angle-adjustable bottom load transfer device for ejection test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311243215.1A CN117451482A (en) 2023-09-25 2023-09-25 Angle-adjustable bottom load transfer device for ejection test

Publications (1)

Publication Number Publication Date
CN117451482A true CN117451482A (en) 2024-01-26

Family

ID=89595600

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311243215.1A Pending CN117451482A (en) 2023-09-25 2023-09-25 Angle-adjustable bottom load transfer device for ejection test

Country Status (1)

Country Link
CN (1) CN117451482A (en)

Similar Documents

Publication Publication Date Title
US6779614B2 (en) System and method for transferring pipe
US4036377A (en) Device for transporting loads, especially for belt driving stations in open pit mining
US6050365A (en) Scissors-type work platform lift machine with electro-mechanical based lift actuation arrangement
CN211978562U (en) Detection equipment for anchor rod shear test
CN117451482A (en) Angle-adjustable bottom load transfer device for ejection test
CN217045131U (en) Fire extinguisher tank body assembly device
CN107910728B (en) Full-automatic socket assembling workbench
US20080200270A1 (en) Fairground Attraction Having a Heightwise Movable People Carrier
US2706052A (en) Transmission jack
CN114261924B (en) Device for installing erection cylinder and rocket erection system
CN214299082U (en) Elevator for unloading
CN112849239B (en) Converter power module disassembling and assembling vehicle and method
CN212734818U (en) Welding roll-over stand of aerogenerator frame
CN218835889U (en) Automatic discharging device
US20100183419A1 (en) Stabilized Device For Moving A Plurality Of Containers
CN218602387U (en) Automatic lifting and inclining feeding mechanism of wafer cleaning machine
JP3326751B2 (en) Test head moving method and apparatus, and probe apparatus
CN221090945U (en) Arc steel conveyer
KR100779271B1 (en) Lifting and swivelling device for railway structure bearing a combined transport railway/road car
CN220924663U (en) Steering equipment for ceramic tile packaging
US3288310A (en) Vehicular type pipe unloader
CN216093797U (en) Experiment platform supports uses novel jacking device
CN217468372U (en) Material basket bearing and fixing device
CN216950374U (en) Bracket for shield tunneling machine
CN220165748U (en) Cabinet carrying device applied to forklift

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination