CN201653676U - Traction trolley for crash test - Google Patents
Traction trolley for crash test Download PDFInfo
- Publication number
- CN201653676U CN201653676U CN2010201678940U CN201020167894U CN201653676U CN 201653676 U CN201653676 U CN 201653676U CN 2010201678940 U CN2010201678940 U CN 2010201678940U CN 201020167894 U CN201020167894 U CN 201020167894U CN 201653676 U CN201653676 U CN 201653676U
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- China
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- jaw type
- type ratchet
- cam lever
- vehicle body
- fixture block
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Abstract
The utility model discloses a traction trolley used for automotive crash test and aims to solve the problems of slippage and delay and incomplete separation between a clamp block and a steel cable of a release mechanism of the conventional traction trolley, complex structure of the release mechanism and high manufacturing cost. The traction trolley comprises a trolley body, a T-shaped rod is arranged at the upper end of the trolley body and used for dragging a vehicle to be tested, and a release mechanism is arranged inside the vehicle body, the release mechanism comprises a fixed clamp block, a tongs-type pawl engaged with the fixed clamp block to provide the clamping effect, and a cam rod; the fixed clamp block is fixed at the bottom of the vehicle body; the tongs-type pawl is arranged above the fixed clamp block and connected with the vehicle body in a rotating manner; the cam rod is arranged on the tongs-type pawl and the end part of the cam rod is engaged with and connected with the tongs-type pawl. The release mechanism of the traction trolley can clamp the steel cable tightly without the risk of slippage; the clamp block and the steel cable are completely separated in time during the release process; and the release mechanism has simple structure and low manufacturing cost.
Description
Technical field
The utility model relates to a kind of trailer wagon, particularly a kind of trailer wagon that is used for vehicle impact testing.
Background technology
The principle of car load impact test: the impact test trailer system adopts the motor traction substantially, utilize the band transmission principle, by trailer wagon the motion of cable wire is passed to testing vehicle, when test carriage impingement distance obstacle certain distance, by the transmission of power between releasing mechanism cut-out cable wire and the test carriage, guarantee that test carriage clashes into obstacle with fixing speed under free state, dummy's harm index in the test carriage.The existing clamping function of the releasing mechanism of trailer wagon inside, release function is arranged again, have slippage between the releasing mechanism of the trailer wagon of present domestic use, fixture block and cable wire, separate untimely, thoroughly and the releasing mechanism structure too complicated, the problem that manufacturing cost is high.
Chinese patent notification number CN201107183Y, August 27 2008 day for announcing, announced a kind of automobile bump test tractor truck, the releasing mechanism of this car comprises fixedly fixture block, mobile fixture block, anticreep ratchet, camshaft, cam handle, mobile guide bar, back-moving spring and safety pin, the releasing mechanism structure of this tractor is too complicated, the manufacturing cost height.
Summary of the invention
The purpose of this utility model is to overcome the problems referred to above that prior art exists, a kind of impact test trailer wagon is provided, the fixture block of its releasing mechanism is tight to the cable wire clamping, there is not sliding phenomenon, during release, fixture block separates with cable wire in time and thoroughly, releasing mechanism is simple in structure, low cost of manufacture.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of impact test trailer wagon, comprise vehicle body, the T type bar of pull test vehicle is equipped with in the vehicle body upper end, be provided with releasing mechanism in the vehicle body, described releasing mechanism comprises fixing fixture block, can cooperate jaw type ratchet and the cam lever that clamps with fixing fixture block, fixedly fixture block is installed in body bottom, the jaw type ratchet is located at fixedly fixture block top, and be connected to vehicle body rotationally, cam lever is located on the jaw type ratchet, and the end of cam lever is connected with the jaw type click-fit.T type bar can be connected with testing vehicle, thereby pull test vehicle, releasing mechanism had both had the clamping function, has release function again, be used for clamping and releasing the cable wire of motor traction, fixedly fixture block fixed installation, thereby mainly be to reach the purpose that clamps or discharge by the rotation that changes the jaw type ratchet, cam lever is used to control the rotation of jaw type ratchet, by draw outward or in push away cam lever, the jaw type ratchet just can clamp or discharge cable wire, generally draws cam lever outside the trailer wagon work initial stage so that clamp cable wire, the motion of drive test carriage, behind the motion certain distance, obstacle is hit in the T shape butt of cam lever front end, pushes away in the cam lever quilt, the jaw type ratchet just discharges cable wire, makes testing vehicle freely clash into obstacle.
As preferably, the upper surface of the rear end of cam lever and jaw type ratchet is connected, and the front end of cam lever stretches out vehicle body.The rear end of cam lever is positioned at vehicle body, and the front end of cam lever is T-shaped, is convenient to clash into obstacle.
As preferably, the bottom of cam lever rear end is provided with the projection of arc, and jaw type ratchet upper surface is provided with the arc-shaped recess that the convex shape with the cam lever rear end matches, and the projection of cam lever rear end is positioned at the depression of jaw type ratchet upper surface.Projection cooperates the rotation of being convenient to control the jaw type ratchet with depression, by projection being shifted out or puts into depression, thereby clamps or the release cable wire, and is simple and practical.
As preferably, the middle part of jaw type ratchet is provided with through hole, and through hole is positioned at the below of the depression of jaw type ratchet upper surface, and rotation axis passes through hole and connects jaw type ratchet and vehicle body.Through hole is convenient to the installation of rotation axis, and through hole is located at the below of depression, is convenient to the rotation that cam lever is controlled the jaw type ratchet better, makes fixture block and cable wire clamp firmly, separates timely and thorough.
As preferably, jaw type ratchet integral body is waist shape, and the upper surface of jaw type ratchet is a shiny surface, and the lower surface of jaw type ratchet is the echinate surface with high friction force.The upper surface of jaw type ratchet is the outer convex globoidal that has depression, depression has occupied the major part of upper surface, the projection of cam lever is in the depression of jaw type ratchet upper surface the time, the jaw type ratchet just discharges cable wire, depression also can prevent the outside return of cam lever and cause the jaw type ratchet separate with cable wire untimely thoroughly, the upper surface is the motion that shiny surface is convenient to cam lever, and the lower surface is that echinate guarantees that the jaw type ratchet clamps firmly cable wire, avoids slippage.
As preferably, fixedly the upper surface of fixture block is a clamping surface, and described clamping surface is the echinate plane with high friction force.Fixedly the upper surface of fixture block is the echinate plane, and the mode on plane is processed easy, and also available curved surface is more or less the same but clamp effect, and the releasing effect plane is better.
The beneficial effects of the utility model are: fixedly fixture block and jaw type click-fit can clamp cable wire well, prevent the slippage of fixture block and cable wire, cam lever makes that with being used of jaw type ratchet fixture block separates with cable wire in time and thoroughly, releasing mechanism is simple in structure, low cost of manufacture.
Description of drawings
Fig. 1 is a kind of main TV structure synoptic diagram of the present utility model;
Fig. 2 is a fundamental diagram of the present utility model.
Among the figure: 1, vehicle body, 2, T type bar, 3, fixing fixture block, 4, the jaw type ratchet, 5, cam lever, 6, cable wire.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
A kind of impact test trailer wagon (referring to accompanying drawing 1), comprise vehicle body 1, the upper right side of vehicle body 1 has a square projection, be fixed with T type bar 2 on the square projection, T type bar 2 main bodys are a circular steel column, the termination of circular steel column is welded with an annulus, vehicle body 1 top is I-shaped, vehicle body 1 has a T shape cavity, in the T shape cavity of vehicle body 1 bottom releasing mechanism is installed, releasing mechanism comprises fixedly fixture block 3, can cooperate jaw type ratchet 4 and the cam lever 5 that clamps with fixing fixture block 3, fixedly fixture block 3 is packed in the bottom of the T shape cavity of vehicle body 1 bottom, fixedly the two ends, the left and right sides of fixture block 3 are respectively equipped with one and are used for the square fixed block that fixing fixture block 3 is fixing, fixedly fixture block 3 is a rectangle, fixedly the upper surface of fixture block 3 is the echinate plane, jaw type ratchet 4 is located at fixedly directly over the fixture block 3, one cable wire, 6 passage lanes are fixedly arranged between fixture block 3 and the jaw type ratchet 4, jaw type ratchet 4 is elliposoidal, the lower surface of jaw type ratchet 4 is the echinate curved surface with high friction force, protruding under the lower surface of jaw type ratchet 4, the upper surface of jaw type ratchet 4 is smooth last convex globoidal, the left side of jaw type ratchet 4 upper surfaces is provided with an arc-shaped recess, depression occupies the major part of jaw type ratchet 4 upper surfaces, jaw type ratchet 4 middle parts of depression below have through hole, rotation axis passes through hole and connects jaw type ratchet 4 and vehicle body 1, cam lever 5 is located at the top of jaw type ratchet 4, cam lever 5 main bodys are a circular steel column, the rear end of cam lever 5 is positioned at the cavity of vehicle body 1, the front end of cam lever 5 stretches out vehicle body 1, the bottom of cam lever 5 rear ends is provided with an arc convex that matches with the arc-shaped recess shape of jaw type ratchet 4 upper surfaces, arc convex is positioned at arc-shaped recess, and the front end of cam lever 5 is T-shaped.
Principle of work of the present utility model (accompanying drawing 2) is: the annular termination of passing T type bar 2 with traction rope, simultaneously the two ends of traction rope are fixed on the testing vehicle, but just pull test vehicle of trailer wagon like this, the right lateral cable wire 6 that motor is drawn passes cable wire 6 passage lanes between vehicle body 1 internal fixation fixture block 3 and the jaw type ratchet 4 again, then cam lever 5 right sides are drawn, jaw type ratchet 4 clockwise rotates, the lower surface on jaw type ratchet 4 right sides just cooperates fixedly, and fixture block 3 clamps cable wire 6, make cable wire 6 and trailer wagon one, motor drags cable wire 6 acceleration afterwards, make testing vehicle be added to certain speed, at this moment the front end of cam lever 5 clashes into obstacle, push away in cam lever 5 quilts, make jaw type ratchet 4 rotate counterclockwise, the lower surface on jaw type ratchet 4 right sides discharges cable wire 6 rapidly, trailer wagon and cable wire 6 break away from, no longer trailer wagon motion, testing vehicle just can freely clash into obstacle, analyzes the harm index of dummy in the car then.
Above-described embodiment is a kind of preferable scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (6)
1. impact test trailer wagon, comprise vehicle body, the T type bar of pull test vehicle is equipped with in the vehicle body upper end, be provided with releasing mechanism in the vehicle body, it is characterized in that: described releasing mechanism comprises fixing fixture block, can cooperate jaw type ratchet and the cam lever that clamps with fixing fixture block, and fixedly fixture block is installed in body bottom, the jaw type ratchet is located at fixedly fixture block top, and be connected to vehicle body rotationally, and cam lever is located on the jaw type ratchet, and the end of cam lever is connected with the jaw type click-fit.
2. impact test trailer wagon according to claim 1 is characterized in that: the upper surface of the rear end of cam lever and jaw type ratchet is connected, and the front end of cam lever stretches out vehicle body.
3. impact test trailer wagon according to claim 2, it is characterized in that: the bottom of cam lever rear end is provided with the projection of arc, jaw type ratchet upper surface is provided with the arc-shaped recess that the convex shape with the cam lever rear end matches, and the projection of cam lever rear end is positioned at the depression of jaw type ratchet upper surface.
4. impact test trailer wagon according to claim 3 is characterized in that: the middle part of jaw type ratchet is provided with through hole, and through hole is positioned at the below of the depression of jaw type ratchet upper surface, and rotation axis passes through hole and connects jaw type ratchet and vehicle body.
5. according to claim 1 or 2 or 3 or 4 described impact test trailer wagons, it is characterized in that: jaw type ratchet integral body is waist shape, and the upper surface of jaw type ratchet is a shiny surface, and the lower surface of jaw type ratchet is the echinate surface with high friction force.
6. according to claim 1 or 2 or 3 or 4 described impact test trailer wagons, it is characterized in that: fixedly the upper surface of fixture block is a clamping surface, and described clamping surface is the echinate plane with high friction force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201678940U CN201653676U (en) | 2010-04-23 | 2010-04-23 | Traction trolley for crash test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201678940U CN201653676U (en) | 2010-04-23 | 2010-04-23 | Traction trolley for crash test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201653676U true CN201653676U (en) | 2010-11-24 |
Family
ID=43118919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201678940U Expired - Fee Related CN201653676U (en) | 2010-04-23 | 2010-04-23 | Traction trolley for crash test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201653676U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913894A (en) * | 2015-05-21 | 2015-09-16 | 清华大学 | Horizontal impact test method and horizontal impact test device for pipeline whip preventing device |
| CN105571877A (en) * | 2016-01-22 | 2016-05-11 | 安徽江淮汽车股份有限公司 | Tested vehicle traction mechanism and tested vehicle collision system |
| CN113465944A (en) * | 2021-06-30 | 2021-10-01 | 安徽江淮汽车集团股份有限公司 | Safety traction device for automobile crash test |
-
2010
- 2010-04-23 CN CN2010201678940U patent/CN201653676U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913894A (en) * | 2015-05-21 | 2015-09-16 | 清华大学 | Horizontal impact test method and horizontal impact test device for pipeline whip preventing device |
| CN105571877A (en) * | 2016-01-22 | 2016-05-11 | 安徽江淮汽车股份有限公司 | Tested vehicle traction mechanism and tested vehicle collision system |
| CN105571877B (en) * | 2016-01-22 | 2017-11-03 | 安徽江淮汽车集团股份有限公司 | A kind of test vehicle haulage gear and collision system |
| CN113465944A (en) * | 2021-06-30 | 2021-10-01 | 安徽江淮汽车集团股份有限公司 | Safety traction device for automobile crash test |
| CN113465944B (en) * | 2021-06-30 | 2022-06-03 | 安徽江淮汽车集团股份有限公司 | Safety traction device for automobile crash test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20140423 |