CN106644522B - Rear counterweight assembly for vehicle collision test - Google Patents
Rear counterweight assembly for vehicle collision test Download PDFInfo
- Publication number
- CN106644522B CN106644522B CN201710054361.8A CN201710054361A CN106644522B CN 106644522 B CN106644522 B CN 106644522B CN 201710054361 A CN201710054361 A CN 201710054361A CN 106644522 B CN106644522 B CN 106644522B
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- counterweight
- box
- counterweight assembly
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a rear counterweight assembly for a vehicle collision test, which comprises a counterweight part, wherein at least one mounting part is arranged on the counterweight part and is used for being detachably connected with a rear bumper of a vehicle, so that people can conveniently mount the counterweight assembly on the test vehicle without changing the structure of the vehicle body.
Description
Technical Field
The invention relates to the technical field of vehicle collision experiment counterweights, in particular to a rear counterweight assembly for a vehicle collision experiment.
Background
The safety performance of a vehicle has become one of the important points of attention, in order to understand the safety performance of a vehicle, a technician often adopts a collision test to detect the safety performance of the vehicle, and in order to meet the requirement of the collision test on the weight of the vehicle, a counterweight is often required to be added to the test vehicle, and currently, the commonly adopted methods include a method of adding a counterweight sand bag, adding water to an oil tank, using a counterweight bracket or a vehicle body drill hole to install the counterweight and the like, wherein: the method for adding water into the counterweight sand bags and the oil tanks has the defects of difficult management and low safety, the method for installing the weights by utilizing the counterweight supports or the vehicle body drilling holes needs to change the vehicle body structure, and the weights of the counterweights added by the four methods are fixed, so that people cannot flexibly change the weights of the counterweights according to test requirements, thereby bringing inconvenience to the collision test of the vehicle.
Accordingly, there is an urgent need to provide a rear counterweight assembly that not only facilitates weight adjustment according to test requirements, but also can be conveniently mounted to a test vehicle without changing the vehicle body structure.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a rear counterweight assembly for vehicle collision test, which not only can adjust the weight of the counterweight assembly according to the test requirement, but also can be conveniently installed on a test vehicle without changing the vehicle body structure.
In order to solve the problems, the technical scheme adopted by the invention comprises the following specific contents:
a rear counterweight assembly for a vehicle crash test, the counterweight assembly comprising a counterweight having at least one mounting member disposed thereon for removable attachment to a rear bumper of a vehicle.
Further, the weight comprises a weight box and at least one weight block detachably connected inside the weight box.
Further, at least one guide rail for sliding connection with the mounting member is provided on the weight box.
Still further, both ends all are provided with at least one stop bolt about the guide rail.
Still further, the mount includes at least one abutment, and the abutment is slidably coupled to the rail.
Still further, the counter weight subassembly still includes the retaining member, the retaining member includes at least one fixed connection in the latch fitting of counter weight case bottom, and fixed setting in counter weight bottom and with latch fitting matched with the latch fitting.
Still further, the counter weight subassembly still includes at least one with the locating part of counter weight case bottom parallel, the locating part with counter weight case inner wall fixed connection.
Still further, the spacing piece includes at least one spacing piece to be provided with at least one with balancing weight assorted spacing hole on the spacing piece.
Further, the number of the limiting pieces is two, and the ratio of the distance from one limiting piece to the bottom of the weight box to the height of the balancing weight is 0.1-0.25; the ratio of the distance from the other limiting piece to the bottom of the weight box to the height of the balancing weight is 0.6-0.75.
Preferably, the counterweight assembly further comprises a speed measuring rod for detecting the running speed of the vehicle, and the speed measuring rod is detachably connected to the counterweight box.
Preferably, the counterweight assembly further comprises a wire pulling rod for placing a test line, and the wire pulling rod is detachably connected to the counterweight box.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a rear counterweight assembly for a vehicle collision test, which comprises a counterweight part, wherein at least one mounting part is arranged on a counterweight box and is used for detachably connecting a rear bumper of a vehicle, so that people can conveniently mount the counterweight assembly on the test vehicle without changing the structure of the vehicle body; in addition, at least one balancing weight is detachably connected in the balancing weight box, so that people can adjust the weight of the balancing weight assembly by increasing or decreasing the number of the balancing weights according to test requirements; each mounting piece is provided with two supports, and the counterweight assembly can be suitable for different vehicle types by adjusting the horizontal distance between the two supports; in addition, limit bolts are further arranged at the left end and the right end of each guide rail, so that the counterweight assembly support can be prevented from sliding out of the guide rails in a collision experiment, and the safety of the collision experiment is further improved.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the technical means of the present invention, and is to be implemented in accordance with the contents of the specification, as well as to provide a better understanding of the above and other objects, features and advantages of the present invention, and the following detailed description of the preferred embodiments, taken in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a rear counterweight assembly according to the invention;
FIG. 2 is an exploded view of the rear weighting assembly of the present invention;
FIG. 3 is a schematic view of a latch according to the present invention;
FIG. 4 is a schematic structural view of a counterweight according to the invention;
the reference numerals in fig. 1-4 are illustrated as follows:
1. a weight box; 2. balancing weight; 3. a support; 4. a guide rail; 5. positioning bolts; 6. positioning a nut; 7. a first mounting hole; 8. a first side; 9. a second side; 10. a speed measuring rod; 11. a wire pulling rod; 12. a limiting piece; 13. a limiting hole; 14. a locking piece; 15. a clip; 16. and a limit bolt.
Detailed Description
In order to further describe the technical means adopted by the invention to achieve the expected aim of the invention, the following detailed description is given of the specific implementation, structure and characteristics according to the invention by combining the accompanying drawings and the preferred embodiments:
the rear counterweight assembly for vehicle crash test according to the invention as shown in fig. 1-4 comprises a counterweight member, wherein at least one mounting member is arranged on the counterweight member and is used for detachably connecting a rear bumper of a vehicle, so that people can mount the counterweight assembly on a test vehicle without changing the structure of the vehicle body.
When the mounting piece is specifically connected, the mounting piece comprises a connecting end used for being connected with a rear bumper of the vehicle, at least one first mounting hole 7 matched with the end part of the mounting bolt is arranged on the connecting end, correspondingly, at least one second mounting hole matched with the end part of the mounting bolt is arranged on the rear bumper of the vehicle, and the end part of the mounting bolt is connected with the mounting nut through threads after penetrating through the first mounting hole 7 and the second mounting hole.
As shown in fig. 1 and 2, the counterweight member includes a counterweight housing 1, and at least one counterweight 2 detachably connected to the interior of the counterweight housing 1, and in order to facilitate assembly and removal of the counterweight 2, in this embodiment, in particular: the top opening of the weight box 1 allows people to increase or decrease the number of the weight blocks 2 according to the weight requirement of the test vehicle in the collision test, thereby indirectly adjusting the weight of the test vehicle by adjusting the weight of the collision assembly.
In order to be able to adjust the center of gravity of the test vehicle in the horizontal direction, the weight box 1 is provided with at least one guide rail 4 for sliding connection with the mounting, in particular in the present embodiment: the guide rail 4 is arranged on the outer wall of the first side 8 of the weight box 1, the mounting piece comprises a positioning end used for being in sliding connection with the guide rail 4, the guide rail 4 is in sliding fit with the head of the positioning bolt 5, at least one positioning hole matched with the end part of the positioning bolt 5 is formed in the positioning end, the end part of the positioning bolt 5 penetrates through the positioning hole and then is in threaded connection with the positioning nut 6, and therefore in a collision test, the gravity center of a test vehicle can be adjusted in the horizontal direction by adjusting the position of the positioning bolt 5 on the guide rail 4.
Since the impact force applied to the test vehicle in the crash test is large, in order to avoid the weight box 1 from being separated from the test vehicle due to the positioning bolts 5 sliding out of the guide rails 4, at least one limit bolt 16 is provided at each of the left and right ends of the guide rails 4.
In order to make the left and right weights of the test vehicle mounted with the weight assembly uniform, in this embodiment, the number of the guide rails 4 is two, and the two guide rails 4 are symmetrically disposed at the left and right ends of the first side surface 8, correspondingly, the number of the mounting pieces is two, and the two mounting pieces are respectively slidably connected with the two guide rails 4.
In order to further improve the stability of the counterweight assembly after installation, as an improvement of the present embodiment, the number of the guide rails 4 is four, and two guide rails 4 are disposed in parallel on the upper and lower sides of the left end of the first side surface 8, and the other two guide rails 4 are symmetrically disposed on the upper and lower sides of the right end of the first side surface 8; correspondingly, the upper side and the lower side of the positioning end of each mounting piece are respectively provided with at least one positioning hole matched with the positioning bolt 5.
In order to make the counterweight assembly applicable to different vehicle types, in this embodiment: each mounting piece comprises two supports 3, at least one first mounting hole 7 is formed in the connecting end of each support 3, and the mounting bolts sequentially penetrate through the first mounting holes 7 and the second mounting holes and then are connected with mounting nuts in a threaded mode. Because the distances between the two adjacent second mounting holes at the left end and the right end on the rear bumper of the test vehicle of different vehicle types are different, the counterweight assembly can be connected with the rear bumper of the test vehicle of different vehicle types by adjusting the distances between the two adjacent supports 3 on the outer wall of the first side surface 8, so that the counterweight assembly has a larger application range.
In order to adjust the center of gravity of the test vehicle in the vertical direction, as an improvement of the embodiment, the number of the first mounting holes 7 on each connecting end is two, and the two first mounting holes 7 are symmetrically arranged on the upper side and the lower side of the connecting end, and when the test vehicle is specifically connected, the center of gravity of the test vehicle can be adjusted in the vertical direction by selecting the first mounting holes 7 on the upper side or the lower side of the connecting end to be connected with the second mounting holes through bolts.
In order to avoid the shaking of the counterweight 2 caused by excessive impact force in the collision test, as shown in fig. 3 and 4, the counterweight assembly further comprises a locking member, wherein the locking member comprises at least one locking member 14 fixedly connected to the bottom of the counterweight box 1, and a buckle member 15 fixedly arranged at the bottom of the counterweight 2 and matched with the locking member 14, and in this embodiment, the locking member 14 is fixedly connected to the bottom of the counterweight box 1 in a welding manner.
In order to further improve the stability of the counterweight 2 in the crash test, the counterweight assembly further includes at least one limiting member parallel to the bottom of the counterweight box 1, and the limiting member is fixedly connected with the inner wall of the counterweight box 1, specifically in this embodiment, the limiting member includes at least one limiting piece 12, and at least one limiting hole 13 matched with the counterweight 2 is provided on the limiting piece 12, and the counterweight 2 is detachably connected with the bottom of the counterweight box 1 after passing through the limiting hole 13. As a modification of the present embodiment, the number of the limiting holes 13 is 12, and the distances between two adjacent limiting holes 13 are equal.
As an improvement of the embodiment, the number of the limiting pieces 12 is two, and the ratio of the distance from one limiting piece 12 to the bottom of the weight box 1 to the height of the weight block 2 is 0.1-0.25; the ratio of the distance from the other limiting piece 12 to the bottom of the weight box 1 to the height of the weight block 2 is 0.6-0.75.
The counterweight assembly further comprises a speed measuring rod 10 for detecting the running speed of the vehicle, and the speed measuring rod 10 is detachably connected to the counterweight box 1, specifically in this embodiment: the speed measuring rod 10 is detachably connected to the outer wall of the second side surface 9 of the weight box 1, so that a speed measuring component required by a collision test can be integrated with a weight assembly, and the situation that a vehicle body is drilled with holes to install the speed measuring component is avoided.
The counterweight assembly further comprises a wire pulling rod 11 for placing a test line, and the wire pulling rod 11 is fixedly connected to the counterweight box 1, specifically in this embodiment: the wire pulling rod 11 is detachably connected to the outer wall of the second side surface 9 of the weight box 1, so that test wires required in a collision test are placed in the wire pulling rod 11, and the arrangement of the wires is facilitated.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (7)
1. A rear counterweight assembly for vehicle crash testing, characterized by: the counterweight assembly comprises a counterweight, wherein at least one mounting piece is arranged on the counterweight and is used for being detachably connected with a rear bumper of a vehicle; the counterweight piece comprises a counterweight box and at least one counterweight block detachably connected inside the counterweight box; the weight box is provided with at least one guide rail for sliding connection with the installation parts, the number of the guide rail and the number of the installation parts are two, the two guide rails are symmetrically arranged at the left end and the right end of the weight box, and the two installation parts are respectively and slidably connected with the two guide rails; each of the mounts includes two abutments and the abutments are slidably coupled to the rail.
2. A counterweight assembly as recited in claim 1, wherein: and at least one limit bolt is arranged at the left end and the right end of the guide rail.
3. A counterweight assembly as recited in claim 1, wherein: the counterweight assembly further comprises a locking piece, wherein the locking piece comprises at least one locking piece fixedly connected to the bottom of the counterweight box and a clamping piece fixedly arranged at the bottom of the counterweight block and matched with the locking piece.
4. A counterweight assembly as recited in claim 1, wherein: the counterweight assembly further comprises at least one limiting piece parallel to the bottom of the counterweight box, and the limiting piece is fixedly connected with the inner wall of the counterweight box.
5. A counterweight assembly as recited in claim 4 wherein: the limiting piece comprises at least one limiting piece, and at least one limiting hole matched with the balancing weight is formed in the limiting piece.
6. A counterweight assembly as recited in claim 5 wherein: the number of the limiting pieces is two, and the ratio of the distance from one limiting piece to the bottom of the weight box to the height of the balancing weight is 0.1-0.25; the ratio of the distance from the other limiting piece to the bottom of the weight box to the height of the balancing weight is 0.6-0.75.
7. A counterweight assembly according to any one of claims 1-6 wherein: the counterweight assembly further comprises a speed measuring rod for detecting the running speed of the vehicle, and the speed measuring rod is detachably connected to the counterweight box; preferably, the counterweight assembly further comprises a wire pulling rod for placing a test line, and the wire pulling rod is detachably connected to the counterweight box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054361.8A CN106644522B (en) | 2017-01-24 | 2017-01-24 | Rear counterweight assembly for vehicle collision test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054361.8A CN106644522B (en) | 2017-01-24 | 2017-01-24 | Rear counterweight assembly for vehicle collision test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644522A CN106644522A (en) | 2017-05-10 |
| CN106644522B true CN106644522B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710054361.8A Active CN106644522B (en) | 2017-01-24 | 2017-01-24 | Rear counterweight assembly for vehicle collision test |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192566A (en) * | 2017-06-02 | 2017-09-22 | 西南交通大学 | A kind of multifunction railway vehicle impact test chassis |
| CN112345263A (en) * | 2019-08-09 | 2021-02-09 | 河南森源重工有限公司 | Weight box for hook arm garbage truck performance test |
| CN111044355B (en) * | 2020-01-07 | 2022-06-07 | 厦门威莱电器科技有限公司 | Power line tension tester |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4232883A (en) * | 1979-03-19 | 1980-11-11 | Ford Motor Company | Counterweight assembly for a vehicle |
| US8430427B1 (en) * | 2011-06-06 | 2013-04-30 | Excel Industries, Inc. | Counterweight apparatus for vehicles |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU779844A1 (en) * | 1978-03-30 | 1980-11-15 | Московское Городское Производственное Объединение "Мослифт" | Method of measuring unbalance of cabin-lift counterweight |
| CN2805331Y (en) * | 2005-07-22 | 2006-08-16 | 廖明 | Gravity center adjustable device for farming cultivator |
| CN202292023U (en) * | 2011-07-22 | 2012-07-04 | 上海华普汽车有限公司 | Counterweight block for door of white automobile body |
| CN102445296A (en) * | 2011-11-29 | 2012-05-09 | 江铃汽车股份有限公司 | Automobile braking force detection counterweight system |
| CN103046606B (en) * | 2012-12-21 | 2014-12-24 | 中联重科股份有限公司 | Engineering mechanical equipment, movable counterweight system and control method |
| CN206430917U (en) * | 2017-01-24 | 2017-08-22 | 一汽-大众汽车有限公司 | A kind of rear balance weight assembly for vehicle impact test |
-
2017
- 2017-01-24 CN CN201710054361.8A patent/CN106644522B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4232883A (en) * | 1979-03-19 | 1980-11-11 | Ford Motor Company | Counterweight assembly for a vehicle |
| US8430427B1 (en) * | 2011-06-06 | 2013-04-30 | Excel Industries, Inc. | Counterweight apparatus for vehicles |
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| Publication number | Publication date |
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| CN106644522A (en) | 2017-05-10 |
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