CN111157214A - Multi-axis impact test control method for automobile part inspection - Google Patents
Multi-axis impact test control method for automobile part inspection Download PDFInfo
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- CN111157214A CN111157214A CN202010094911.0A CN202010094911A CN111157214A CN 111157214 A CN111157214 A CN 111157214A CN 202010094911 A CN202010094911 A CN 202010094911A CN 111157214 A CN111157214 A CN 111157214A
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- 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
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Abstract
The invention provides a multi-axis impact test control method for automobile part inspection, which is realized based on a multi-axis impact tester, wherein the multi-axis impact tester comprises a base, a supporting plate and a hexagonal bolt head; the upper part of the base is connected with a group of supporting plates in a sliding manner; the top of the Z-direction fixing plate is axially connected with a group of driven gears; a group of driving belts are wound on the outer sides of the driven gear and the driving belt wheel together; the driven gear, the transmission belt and the driving belt wheel jointly form a transmission belt transmission mechanism; and the bottom of the impact guide sliding block is in threaded connection with a group of impact test heads. Through adopting the multiunit slider-crank mechanism that constitutes jointly by slider pivot, connecting rod, impact direction slider, realized turning into the slip of impact test head with the slip of nut pivot, increase the stroke and improve the slip velocity of impact test head simultaneously, provide higher impact velocity and impact dynamics, save space simultaneously, reduce the volume.
Description
The application is a divisional application of Chinese patent application with the application number of 201811227663.1, which is filed on 2018, 10, month and 22 and is named as a multi-axis impact tester for automobile part inspection.
Technical Field
The invention belongs to the technical field of detection experiment equipment and automobile processing equipment, and particularly relates to a multi-axis impact test control method for automobile part inspection.
Background
In the automobile manufacturing process, the parts of the automobile are often required to be subjected to impact test detection to determine the mechanical property and the impact resistance of the parts, and a drop hammer type impact tester under the action of gravity is mostly adopted in the conventional impact test of the automobile parts.
For example, application No.: the invention belongs to the field of impact experiments, and particularly relates to an impact tester. The impact testing machine comprises a support, wherein a hoisting impact assembly and a sample fixing assembly are arranged on the support, the support comprises a base and a vertical plate arranged on the base, a cross beam is fixedly arranged on the vertical plate, the hoisting impact assembly comprises an impact block and a traction unit for traction of the impact block, the sample fixing assembly comprises a clamp for fixing a tested piece, the clamp fixes the tested piece on a falling impact path of the impact block, and the impact testing machine further comprises a guide unit for restraining and guiding the falling impact path of the impact block, so that the impact testing machine is simple in structure, convenient to operate and high in measurement precision.
Based on the search of the patent and the discovery of combining the devices in the prior art, when the device is applied, the power is provided through the action of gravity, the impact testing head is accelerated by virtue of a long guide rail, the higher impact speed is provided, the device is large, and only an impact test can be performed on a fixed position of a model when the device is used, and the impact state in practical application cannot be fully reflected.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multi-axis impact testing machine for automobile part inspection, which aims to solve the problems that power is provided through the action of gravity, a long guide rail is used for accelerating an impact testing head to provide a high impact speed, equipment is large, only an impact test can be carried out on a fixed position of a model when the multi-axis impact testing machine is used, and the impact state in practical application cannot be fully reflected.
The invention relates to a multi-axis impact testing machine for automobile part inspection, which is realized by the following specific technical means:
the multi-axis impact testing machine for the inspection of automobile parts comprises a base, a supporting plate, a Y-direction sliding plate, a worm gear, a driving belt wheel, a driving belt, a driven gear, a Z-direction fixing plate, an impact sliding rail, a sliding block rotating shaft, a connecting rod, a driving bevel gear, an impact lead screw, a driven bevel gear, a nut rotating shaft, an impact motor, an impact guide sliding block, an impact testing head and a hexagonal bolt head; the upper part of the base is connected with a group of supporting plates in a sliding manner; the front end face of the top of the base is connected with a group of Y-direction sliding plates in a sliding manner; the top of the inside of the Y-direction sliding plate is axially connected with a group of worms; the front end surface of the Y-direction sliding plate is axially connected with a group of Z-direction fixing plates; the rear end face of the Z-direction fixing plate is fixedly connected with a group of worm gears; the top of the Z-direction fixing plate is fixedly connected with a group of motors, and a group of driving belt wheels are coaxially and fixedly connected to rotating shafts of the motors; the top of the Z-direction fixing plate is axially connected with a group of driven gears; a group of driving belts are wound on the outer sides of the driven gear and the driving belt wheel together; the driven gear, the transmission belt and the driving belt wheel jointly form a transmission belt transmission mechanism; the front end surface of the Z-direction fixing plate is connected with a group of impact fixing plates in a sliding manner; the middle of the front end face of the impact fixing plate is fixedly connected with a group of impact sliding rails; the top of the impact fixing plate is fixedly connected with a group of impact motors; a group of driving bevel gears are coaxially and fixedly connected to a rotating shaft of the impact motor; the left side and the right side of the top of the impact fixing plate are both axially connected with a group of impact lead screws; the impact screw rods are all in threaded connection with a group of nut rotating shafts; the front end surfaces of the nut rotating shafts are hinged with a group of connecting rods; the front end surface of the impact fixing plate is hinged with eight groups of connecting rods through the sliding block rotating shaft and the nut rotating shaft; the eight groups of connecting rods are hinged end to end; the bottom of the connecting rod is hinged with the impact guide sliding block; the impact guide sliding block is in sliding connection with the impact sliding rail; and the bottom of the impact guide sliding block is in threaded connection with a group of impact test heads.
Furthermore, a group of driven bevel gears are coaxially and fixedly connected to the inner sides of the impact lead screws; the driven bevel gear and the driving bevel gear are matched to form a bevel gear transmission mechanism together;
furthermore, the nut rotating shaft is in sliding connection with the impact fixing plate;
furthermore, the mutual hinged connection points of the two groups of connecting rods connected with the nut rotating shaft are positioned at the positions close to the upper end;
furthermore, the two groups of impact screw rods are ball screw rods with the same screw pitch and opposite rotation directions;
further, a group of hexagonal frustum-shaped hexagonal bolt heads are arranged at the bottom of the impact testing head;
further, the base and the supporting plate, the base and the Y-direction sliding plate, and the Z-direction fixing plate and the impact fixing plate are connected through a guide rail and slider mechanism, are driven through a lead screw and nut pair, and are driven through a motor;
further, the worm and the worm wheel are meshed to form a worm and worm wheel transmission mechanism;
furthermore, the slide block rotating shaft, the connecting rod and the impact guide slide block jointly form a plurality of groups of crank slide block mechanisms.
Compared with the prior art, the invention has the following beneficial effects:
the sliding of the nut rotating shaft is converted into the rapid sliding of the impact testing head by adopting a plurality of groups of crank slider mechanisms which are jointly formed by the slider rotating shaft, the connecting rod and the impact guide slider, the stroke is increased, the sliding speed of the impact testing head is improved, higher impact speed and impact force are provided, the space is saved, and the volume of the impact mechanism is reduced; the bevel gear transmission mechanism and two groups of ball screws with the same pitch and opposite rotation directions realize that the nut rotating shaft slides inwards at the same time, so that power is provided for an impact test, the structure is simple, the work is stable, and the energy loss is small; the front and back of the base are adjusted through the supporting plate sliding back and forth on the base, the front and back position of the sample is adjusted, the Y-direction sliding plate slides left and right on the base, the left and right position of the impact testing head is adjusted, the impact fixing plate slides on the Z-direction fixing plate, the upper and lower position of the impact testing head is adjusted, the worm and gear transmission mechanism formed by the worm and the worm gear enables the Z-direction fixing plate to rotate on the Y-direction sliding plate, the angle of the impact testing head is adjusted, impact tests can be conducted on different directions of the sample, the impact condition under the actual condition can be simulated more truly, and more accurate test data can be; through the hexagonal bolt head that sets up a set of hexagon platform form in the bottom of impact testing head, the convenience can conveniently be operated when changing impact testing head, operation that can be better improves work efficiency.
Drawings
FIG. 1 is a schematic axial side view of the present invention.
Fig. 2 is a left-side full-section structural schematic diagram of the present invention.
Fig. 3 is a schematic sectional view taken along line a-a in fig. 2 according to the present invention.
Fig. 4 is a left-view full-section structural schematic diagram of the Z-direction fixing plate connection of the invention.
Fig. 5 is a schematic view of the impact transmission mechanism of the present invention in a shaft side configuration.
Fig. 6 is a schematic view of the present invention at a partial enlargement D of fig. 5.
Fig. 7 is a schematic view of the connecting shaft side structure of the Z-direction fixing plate of the present invention.
FIG. 8 is a schematic side view of the impact testing head of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-base, 2-supporting plate, 3-Y direction sliding plate, 4-worm, 5-worm wheel, 6-driving belt wheel, 7-driving belt, 8-driven gear, 9-Z direction fixing plate, 10-impact fixing plate, 11-impact sliding rail, 12-sliding block rotating shaft, 13-connecting rod, 14-driving bevel gear, 15-impact lead screw, 1501-driven bevel gear, 16-nut rotating shaft, 17-impact motor, 18-impact guide sliding block, 19-impact testing head and 1901-hexagonal bolt head.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a multi-axis impact testing machine for automobile part inspection, which comprises: the device comprises a base 1, a supporting plate 2, a Y-direction sliding plate 3, a worm 4, a worm wheel 5, a driving belt wheel 6, a driving belt 7, a driven gear 8, a Z-direction fixing plate 9, an impact fixing plate 10, an impact slide rail 11, a slide block rotating shaft 12, a connecting rod 13, a driving bevel gear 14, an impact lead screw 15, a driven bevel gear 1501, a nut rotating shaft 16, an impact motor 17, an impact guide slide block 18, an impact test head 19 and a hexagonal bolt head 1901; the upper part of the base 1 is connected with a group of supporting plates 2 in a sliding way; the front end surface of the top of the base 1 is connected with a group of Y-direction sliding plates 3 in a sliding manner; the top of the inside of the Y-direction sliding plate 3 is axially connected with a group of worms 4; the front end surface of the Y-direction sliding plate 3 is axially connected with a group of Z-direction fixing plates 9; a group of worm gears 5 are fixedly connected to the rear end face of the Z-direction fixing plate 9; the top of the Z-direction fixing plate 9 is fixedly connected with a group of motors, and a group of driving belt wheels 6 are coaxially and fixedly connected to rotating shafts of the motors; the top of the Z-direction fixing plate 9 is axially connected with a group of driven gears 8; a group of transmission belts 7 are wound on the outer sides of the driven gear 8 and the driving belt wheel 6 together; the driven gear 8, the transmission belt 7 and the driving belt wheel 6 jointly form a transmission belt transmission mechanism; the front end surface of the Z-direction fixing plate 9 is connected with a group of impact fixing plates 10 in a sliding manner; the middle of the front end face of the impact fixing plate 10 is fixedly connected with a group of impact slide rails 11; the top of the impact fixing plate 10 is fixedly connected with a group of impact motors 17; a group of driving bevel gears 14 are coaxially and fixedly connected to a rotating shaft of the impact motor 17; the left side and the right side of the top of the impact fixing plate 10 are both axially connected with a group of impact lead screws 15; the impact screw rod 15 is connected with a group of nut rotating shafts 16 in a threaded manner; the front end surfaces of the nut rotating shafts 16 are hinged with a group of connecting rods 13; the front end surface of the impact fixing plate 10 is hinged with eight groups of connecting rods 13 through a sliding block rotating shaft 12 and a nut rotating shaft 16; the eight groups of connecting rods 13 are hinged end to end; the bottom of the connecting rod 13 is hinged with an impact guide sliding block 18; the impact guide slide block 18 is connected with the impact slide rail 11 in a sliding way; the bottom of the impact guide slide 18 is threaded with a set of impact test heads 19.
Wherein, the inner sides of the impact screw rods 15 are coaxially and fixedly connected with a group of driven bevel gears 1501; the driven bevel gear 1501 and the driving bevel gear 14 cooperate to form a bevel gear transmission mechanism, and the rotation of the motor is transmitted to the left and right impact screw rods 15 simultaneously, so that the two impact screw rods 15 rotate simultaneously.
Wherein, the nut rotating shaft 16 is connected with the impact fixing plate 10 in a sliding way.
Wherein, the hinged joint of the two groups of connecting rods 13 connected with the nut rotating shaft 16 is positioned near the upper end part, which can improve the impact speed of the impact testing head 19.
Wherein, the two groups of impact screws 15 are ball screws with the same pitch and opposite rotation directions, so that the two groups of nut rotating shafts 16 can slide towards the inner side or the outer side simultaneously.
Wherein, the bottom of the impact testing head 19 is provided with a group of hexagonal socket-shaped hexagonal bolt heads 1901, which is convenient for clamping operation when replacing the impact testing head 19.
Wherein, all be connected through guide rail slider mechanism between base 1 and layer board 2, between base 1 and the Y to slide 3, Z to fixed plate 9 and impact between the fixed plate 10, through the vice transmission of screw-nut to drive through the motor, realize adjusting the relative position of assaulting test head 19 of style, can carry out the impact test to the different positions of style.
The worm 4 and the worm wheel 5 are meshed to form a worm and worm transmission mechanism together, so that the rotation of the impact testing head 19 is realized, and impact tests can be performed on samples in different directions.
The slider rotating shaft 12, the connecting rod 13 and the impact guide slider 18 together form a plurality of groups of crank slider mechanisms, so that the impact action of the impact test head 19 is realized, and higher speed and force are provided.
When in use: fixing an experimental sample to be tested on a supporting plate 2, sliding the supporting plate 2 on a base 1 back and forth, adjusting the back and forth position of the sample, sliding a Y-direction sliding plate 3 on the base 1 left and right, adjusting the left and right position of an impact testing head 19, sliding an impact fixing plate 10 on a Z-direction fixing plate 9, adjusting the up and down position of the impact testing head 19, and enabling the Z-direction fixing plate 9 to rotate on the Y-direction sliding plate 3 through a worm gear transmission mechanism consisting of a worm 4 and a worm wheel 5 to realize the adjustment of the angle of the impact testing head 19; when an impact test is carried out, the impact motor 17 rotates to drive the drive bevel gear 14 to rotate, the drive bevel gear 14 passes through the bevel gear transmission mechanism, the rotation of the impact screw rod 15 is realized, under the action of a screw-nut pair of the impact screw rod 15 and the nut rotating shafts 16, the two groups of nut rotating shafts 16 slide towards the inner side, under the action of a crank block mechanism formed by the connecting rods 13, the impact test head 19 quickly impacts along the impact slide rail 11 to impact a sample, test data are collected through the impact test head 19, and when different impact test heads 19 need to be replaced, the impact test head 19 is replaced through the spanner operation of the hexagonal bolt 1901.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. A multi-axis impact test control method for automobile part inspection is realized based on a multi-axis impact tester, and is characterized by comprising the following steps:
(1) fixing an experimental sample to be tested on a supporting plate (2), enabling the supporting plate (2) to slide back and forth on a base (1), adjusting the front and back positions of the sample, enabling a Y-direction sliding plate (3) to slide left and right on the base (1), adjusting the left and right positions of an impact testing head (19), enabling an impact fixing plate (10) to slide on a Z-direction fixing plate (9), adjusting the up and down positions of the impact testing head (19), and enabling the Z-direction fixing plate (9) to rotate on the Y-direction sliding plate (3) through a worm and gear transmission mechanism formed by a worm (4) and a worm gear (5) to adjust the angle of the impact testing head (19);
(2) during testing, the impact motor (17) rotates to drive the drive bevel gear (14) to rotate, the drive bevel gear (14) realizes the rotation of the impact lead screw (15) through the bevel gear transmission mechanism, under the action of a lead screw nut pair of the impact lead screw (15) and the nut rotating shafts (16), the two groups of nut rotating shafts (16) slide towards the inner side, under the action of a crank-slider mechanism formed by the connecting rod (13), the impact test head (19) quickly impacts along the impact slide rail (11) to impact a sample, and test data are collected through the impact test head (19);
(3) when different impact test heads (19) need to be replaced, the impact test heads (19) are replaced by operating the hexagonal bolt head (1901) through a wrench;
the multi-axis impact testing machine comprises a base (1), a supporting plate (2), a Y-direction sliding plate (3), a worm (4), a worm wheel (5), a driving belt wheel (6), a driving belt (7), a driven gear (8), a Z-direction fixing plate (9), an impact fixing plate (10), an impact sliding rail (11), a sliding block rotating shaft (12), a connecting rod (13), a driving bevel gear (14), an impact lead screw (15), a driven bevel gear (1501), a nut rotating shaft (16), an impact motor (17), an impact guide sliding block (18), an impact testing head (19) and a hexagonal bolt head (1901); the upper part of the base (1) is connected with a group of supporting plates (2) in a sliding manner; the front end face of the top of the base (1) is connected with a group of Y-direction sliding plates (3) in a sliding manner; the top of the inside of the Y-direction sliding plate (3) is axially connected with a group of worms (4); the front end surface of the Y-direction sliding plate (3) is axially connected with a group of Z-direction fixing plates (9); the rear end face of the Z-direction fixing plate (9) is fixedly connected with a group of worm gears (5); the top of the Z-direction fixing plate (9) is fixedly connected with a group of motors, and a group of driving belt wheels (6) are coaxially and fixedly connected to rotating shafts of the motors; the top of the Z-direction fixing plate (9) is axially connected with a group of driven gears (8);
a group of driving belts (7) are wound on the outer sides of the driven gear (8) and the driving belt wheel (6) together; the driven gear (8), the transmission belt (7) and the driving belt wheel (6) jointly form a transmission belt transmission mechanism; the front end face of the Z-direction fixing plate (9) is connected with a group of impact fixing plates (10) in a sliding mode; the middle of the front end face of the impact fixing plate (10) is fixedly connected with a group of impact sliding rails (11); the top of the impact fixing plate (10) is fixedly connected with a group of impact motors (17); a group of driving bevel gears (14) are coaxially and fixedly connected to a rotating shaft of the impact motor (17); the left side and the right side of the top of the impact fixing plate (10) are both axially connected with a group of impact lead screws (15); the impact screw rods (15) are all in threaded connection with a group of nut rotating shafts (16); the front end surfaces of the nut rotating shafts (16) are hinged with a group of connecting rods (13);
the front end surface of the impact fixing plate (10) is hinged with eight groups of connecting rods (13) through the sliding block rotating shaft (12) and the nut rotating shaft (16); the eight groups of connecting rods (13) are hinged end to end; the bottom of the connecting rod (13) is hinged with the impact guide sliding block (18); the impact guide sliding block (18) is in sliding connection with the impact sliding rail (11); the bottom of the impact guide sliding block (18) is in threaded connection with a group of impact test heads (19);
the inner sides of the impact lead screws (15) are coaxially and fixedly connected with a group of driven bevel gears (1501); the driven bevel gear (1501) and the driving bevel gear (14) are matched to form a bevel gear transmission mechanism together;
the nut rotating shaft (16) is in sliding connection with the impact fixing plate (10);
and the mutual hinged connection points of the two groups of connecting rods (13) connected with the nut rotating shaft (16) are positioned at the positions close to the upper ends.
2. The multi-axial impact test control method for automobile part inspection according to claim 1, characterized in that: the two groups of impact screw rods (15) are ball screw rods with the same screw pitch and opposite rotation directions.
3. The multi-axial impact test control method for automobile part inspection according to claim 1, characterized in that: the bottom of the impact testing head (19) is provided with a group of hexagonal frustum-shaped hexagonal bolt heads (1901).
4. The multi-axial impact test control method for automobile part inspection according to claim 1, characterized in that: the base (1) and the supporting plate (2), the base (1) and the Y-direction sliding plate (3) and the Z-direction fixing plate (9) and the impact fixing plate (10) are connected through guide rail and slider mechanisms, are driven through a lead screw and nut pair and are driven through a motor.
5. The multi-axial impact test control method for automobile part inspection according to claim 1, characterized in that: the worm (4) and the worm wheel (5) are meshed to form a worm and gear transmission mechanism together.
6. The multi-axial impact test control method for automobile part inspection according to claim 1, characterized in that: the sliding block rotating shaft (12), the connecting rod (13) and the impact guide sliding block (18) jointly form a plurality of groups of crank sliding block mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010094911.0A CN111157214A (en) | 2018-10-22 | 2018-10-22 | Multi-axis impact test control method for automobile part inspection |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010094911.0A CN111157214A (en) | 2018-10-22 | 2018-10-22 | Multi-axis impact test control method for automobile part inspection |
| CN201811227663.1A CN109238619B (en) | 2018-10-22 | 2018-10-22 | Multi-axis impact testing machine for automobile part inspection |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811227663.1A Division CN109238619B (en) | 2018-10-22 | 2018-10-22 | Multi-axis impact testing machine for automobile part inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111157214A true CN111157214A (en) | 2020-05-15 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010094911.0A Withdrawn CN111157214A (en) | 2018-10-22 | 2018-10-22 | Multi-axis impact test control method for automobile part inspection |
| CN201811227663.1A Active CN109238619B (en) | 2018-10-22 | 2018-10-22 | Multi-axis impact testing machine for automobile part inspection |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811227663.1A Active CN109238619B (en) | 2018-10-22 | 2018-10-22 | Multi-axis impact testing machine for automobile part inspection |
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| CN (2) | CN111157214A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111781205B (en) * | 2020-07-06 | 2022-12-30 | 中船澄西船舶修造有限公司 | Boats and ships raw and other materials verifying attachment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2196643Y (en) * | 1994-09-27 | 1995-05-10 | 北京市朝阳路达仪器厂 | Multi-function electric ramming instrument |
| CN201016846Y (en) * | 2007-03-14 | 2008-02-06 | 西南交通大学 | Impact abrasion testing equipment |
| RU2380539C1 (en) * | 2008-09-09 | 2010-01-27 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Facility for field tests of rock |
| CN202731668U (en) * | 2012-06-11 | 2013-02-13 | 国住人居工程顾问有限公司 | Typhoon-resistance outdoor movable louvre window |
| CN202947853U (en) * | 2012-12-09 | 2013-05-22 | 中国煤炭科工集团太原研究院 | Falling weight impact testing stand |
| CN104215420B (en) * | 2014-09-01 | 2017-03-22 | 浙江大学 | Rolling stone impact and collision test system |
| KR101745939B1 (en) * | 2015-06-16 | 2017-06-12 | 경희대학교 산학협력단 | Collision test apparatus for human injury evaluation |
| CN106092488B (en) * | 2016-06-29 | 2019-06-04 | 昆山浩硕精密机械有限公司 | A kind of automotive seat shock table |
| CN106644500A (en) * | 2016-09-18 | 2017-05-10 | 浙江吉利控股集团有限公司 | Crash test dummy allocation and transportation equipment |
-
2018
- 2018-10-22 CN CN202010094911.0A patent/CN111157214A/en not_active Withdrawn
- 2018-10-22 CN CN201811227663.1A patent/CN109238619B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109238619B (en) | 2020-04-24 |
| CN109238619A (en) | 2019-01-18 |
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Application publication date: 20200515 |
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