CN206155054U - A rigid traction device for heavy vehicle - Google Patents
A rigid traction device for heavy vehicle Download PDFInfo
- Publication number
- CN206155054U CN206155054U CN201621097087.XU CN201621097087U CN206155054U CN 206155054 U CN206155054 U CN 206155054U CN 201621097087 U CN201621097087 U CN 201621097087U CN 206155054 U CN206155054 U CN 206155054U
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- CN
- China
- Prior art keywords
- locking mechanism
- automatic locking
- mobile jib
- connecting rod
- rigid
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a rigid traction device for heavy vehicle, including mobile jib, vice pole and two connecting blocks, on two connecting blocks articulate the support on the car of back through the fixed pin respectively, the one end of mobile jib and vice pole articulates through the connecting pin and pulls the hook with the center that the area on the front truck was cushioned and connects, the other end of mobile jib and vice pole is articulated through connecting pin and connecting block respectively, form multistage articulated " triangle -shaped " rigid support form, all be equipped with automatic locking mechanism on mobile jib and vice pole, and the mobile jib is two sections formula beta structure with vice pole, articulate and realize semi -rigidly and quick switching rigid state through automatic locking mechanism, flexibility and the adaptability connecting and dismantle have been improved, reduction nature draw gear expandes, the operation degree of difficulties such as installation and dismantlement, the availability factor has been promoted, operating personnel and equipment safety have been improved.
Description
Technical field
The utility model belongs to a kind of draw-gear, and in particular to a kind of rigid drawbar for heavy vehicle.
Background technology
Existing all kinds of heavy wreckers are each equipped with rigid drawbar, are applied to be sent after fault car traction, there is work
The features such as industry load is big, stress is complicated, there is in use many weak points in it：
1) rigid drawbar mounting and dismantle all by being accomplished manually, high labor intensive, operation time is long.
2) when rigid drawbar connection operation is carried out, to rescue carrigae and the relative position by tractor（Spacing and right
Moderate）Have high demands, and need to carry out reversing operation in connection procedure, personnel and equipment easily produce damage, there is safety hidden
Suffer from, and joint efficiency is low, holding time is long, needs personnel many.
3) when rigid drawbar dismounting operation is carried out, in any case because tractive force cannot discharge, can make
It is extremely difficult into dismantling.
The content of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned deficiency, there is provided it is a kind of it is safe and reliable, efficiently use
In the rigid drawbar of heavy vehicle, on the premise of hauling ability is not affected, effectively reduce rigid drawbar launch,
The difficulty installed and dismantle, improves service efficiency, improves operating personnel and device security.
The technical solution of the utility model：A kind of rigid drawbar for heavy vehicle, including mobile jib, secondary bar and two
Individual contiguous block, described two contiguous blocks are hinged on the bearing in rear car respectively by steady pin, and mobile jib leads to one end of secondary bar
The other end of the center draw hook mounting that connecting pin is hinged and buffers with the band on front truck, mobile jib and secondary bar is crossed respectively by connection
Pin is hinged with contiguous block, forms multistage " triangle " rigid support form being hinged；
The mobile jib includes connection ring, head rod, automatic locking mechanism, the second connecting rod and the first jaw, connection
Ring is connected with head rod, and the other end of head rod is connected with automatic locking mechanism, the other end of automatic locking mechanism
It is connected with the second connecting rod, the other end of the second connecting rod is connected with the first jaw；
The secondary bar includes the second jaw, the 3rd connecting rod, automatic locking mechanism, the 4th connecting rod and third fork head, the
Two jaws are connected with the 3rd connecting rod, and the other end of the 3rd connecting rod is connected with automatic locking mechanism, automatic locking mechanism it is another
One end is connected with the 4th connecting rod, and the other end of the 4th connecting rod is connected with third fork head；
Mobile jib is identical with the automatic locking mechanism structure in secondary bar；The automatic locking mechanism includes joint, fork-join head, card
Pawl and spring, the joint and fork-join head are connected by the first connecting bolt, can be swung in the range of 90 °～180 ° of restriction,
Its pin joint deviates 5～8 millimeters of the center line of mobile jib or secondary bar, and the claw is hinged by the second connecting bolt with fork-join head,
A steady pin is respectively equipped with claw and joint, the two ends of the spring are cut with scissors respectively with the steady pin on claw and joint
Connect, the elastic mechanism of dead point swing was formed together, realize working condition and free the conversion and holding of state.
Further, the junction of connection ring, head rod and automatic locking mechanism and the first jaw, the second connection
Bar and automatic locking mechanism junction are connected using welding manner.
Further, mobile jib and secondary bar are two-segment type foldable structure, and half has been hinged and realized by automatic locking mechanism just
The rapid translating of property and rigid state.
Further, the second jaw, the junction of the 3rd connecting rod and automatic locking mechanism and third fork head, the 4th connect
The junction of extension bar and automatic locking mechanism is connected by the way of welding.
Further, the connection ring is forged using high strength alloy steel, is determined according to the angle between mobile jib and secondary bar and is connected
Connect ring structure size and stress point.
The utility model has the advantages that compared with prior art：1st, the mobile jib and secondary bar of rigid drawbar are equal
For two-segment type foldable structure, semi-rigid and rigid state rapid translating is hinged and realized by automatic locking mechanism, improve
Flexibility and adaptability of the connection with dismounting, reduces and uses operation difficulty.2nd, the center draw hook of tractor afterbody is being aligned
In the range of tolerance 700mm × 500mm, you can carry out the connection operation of draw bar, and without the need for moving again before connection is completed
Vehicle, improves service efficiency and security.3rd, connect quick, convenient, Jing actual measurements, the people of operation number 2, in 1 minute
The connection and expansion of draw-gear, after completing connection, vehicle advances, and mobile jib and secondary bar can be automatic under automatic locking mechanism effect
Rigid rod is formed, when freeing, tension side automatic locking mechanism is freed, makes mobile jib and secondary bar into semi-rigid state, discharge draw bar
The power born, you can be easily accomplished dismounting.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the connection diagram of the utility model and forward and backward car；
Fig. 3 is the structural representation of mobile jib in the utility model；
Fig. 4 is the structural representation of secondary bar in the utility model；
Fig. 5 is the structural representation of connection ring in the utility model；
Fig. 6 is the structural representation of automatic locking mechanism in the utility model；
Fig. 7 is that automatic locking mechanism frees state diagram in the utility model；
Fig. 8 is the expansion procedure chart of automatic locking mechanism in the utility model；
Fig. 9 is the lockup state figure of automatic locking mechanism in the utility model.
In figure：1- mobile jibs, 2- secondary bars, 3- connecting pins, 4- contiguous blocks, 5- steady pins, 6- connection rings, 7- head rods,
8- automatic locking mechanisms, the connecting rods of 9- second, the jaws of 10- first, the jaws of 11- second, the connecting rods of 12- the 3rd, 13- the 4th connects
Bar, 14- third fork heads, 15- joints, 16- fork-join heads, the connecting bolts of 17- first, 18- claws, the connecting bolts of 19- second, 20-
Spring, 21- steady pins.
Specific embodiment
In order that those skilled in the art more fully understand the purpose of this utility model, technical scheme and advantage, tie below
Close Figure of description to be further elaborated the utility model.It should be appreciated that specific embodiment described herein is only
Only to explain the utility model, it is not used to limit the utility model.
A kind of rigid drawbar for heavy vehicle, as shown in Figure 1 and Figure 2, including mobile jib 1, secondary bar 2 and two companies
Block 4 is connect, described two contiguous blocks 4 are hinged on the bearing in rear car respectively by steady pin 5, mobile jib 1 leads to one end of secondary bar 2
The other end for crossing the center draw hook mounting that connecting pin 3 is hinged and buffers with the band on front truck, mobile jib 1 and secondary bar 2 passes through respectively
Connecting pin 3 is hinged with contiguous block 4, forms multistage " triangle " rigid support form being hinged.The mobile jib 1 include connection ring 6,
Head rod 7, automatic locking mechanism 8, the second connecting rod 9 and the first jaw 10, connection ring 6 is connected with head rod 7, the
The other end of one connecting rod 7 is connected with automatic locking mechanism 8, and the other end of automatic locking mechanism 8 is connected with the second connecting rod 9,
The other end of the second connecting rod 9 is connected with the first jaw 10.The connection ring 6 is forged using high strength alloy steel, according to mobile jib 1
And the angle between secondary bar 2 determines connection ring structure size and stress point.Connection ring 6, head rod 7 and automatic locking mechanism
The junction of 8 junction and the first jaw 10, the second connecting rod 9 and automatic locking mechanism 8 is connected using welding manner,
As shown in Fig. 3, Fig. 5, the secondary bar 2 includes the second jaw 11, the 3rd connecting rod 12, automatic locking mechanism 8, the 4th connecting rod 13
With third fork 14, the second jaw 11 is connected with the 3rd connecting rod 12, the other end and the automatic locking mechanism 8 of the 3rd connecting rod 12
Connection, the other end of automatic locking mechanism 8 is connected with the 4th connecting rod 13, the other end and the third fork 14 of the 4th connecting rod 13
Connection.The junction of the second jaw 11, the 3rd connecting rod 12 and automatic locking mechanism 8 and third fork 14, the 4th connecting rod
13 and automatic locking mechanism 8 junction using welding by the way of connect, as shown in Figure 4.
Mobile jib 1 is identical with the structure of automatic locking mechanism 8 in secondary bar 2.As shown in fig. 6, the automatic locking mechanism 8 includes
Joint 15, fork-join head 16, claw 18 and spring 20, the joint 15 and fork-join head 16 are connected by the first connecting bolt 17, can
Swing in the range of 90 °～180 ° of restriction, its pin joint deviates 5～8 millimeters of the center line of mobile jib 1 or secondary bar 2, the claw
18 are hinged by the second connecting bolt 19 with fork-join head 16, and a steady pin 21, institute are respectively equipped with claw 18 and joint 15
The two ends for stating spring 20 are hinged respectively with the steady pin 21 on claw 18 and joint 15, and the elastic machine of dead point swing was formed together
Structure, realizes working condition and frees the conversion and holding of state.
When operation launches, claw 18 launches under the effect of spring 20 with fork-join head 16, when the relative fork-join head of joint 15
16 when being rocked to linear position, and claw 18 is in spring（20）In the presence of withstand fork-join head, into lockup state；When freeing, mobile jib 1
One of them is necessarily in tension state with secondary bar 2, and its claw 18 is freed manually, and makes it cross dead point, discharges another bar
The compression that may be subject to, you can be easily accomplished freeing for another bar, as shown in figs. 7-9.
The mobile jib 1 and secondary bar 2 of rigid drawbar is two-segment type foldable structure, is hinged by automatic locking mechanism and real
The rapid translating of existing semi-rigid and rigid state, improves flexibility of the connection with dismounting and adaptability, reduces using operation
Difficulty.When using, when the center draw hook of tractor afterbody is in shaded region as shown in Figure 2, tolerance is aligned
Scope is 700mm × 500mm, you can carry out the connection operation of draw bar, and without the need for mobile vehicle again before connection is completed, is improved
Service efficiency and security.After completing connection, vehicle advances, and mobile jib 1 and secondary bar 2 can be certainly under the effect of automatic locking mechanism 8
It is dynamic to form rigid rod.When freeing, tension side automatic locking mechanism 8 is freed, lead 2 one-tenth semi-rigid states of mobile jib 1 and secondary bar, release
Draw the power that bar bears, you can be easily accomplished dismounting.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. the rigid drawbar of heavy vehicle is used for, it is characterised in that：Including mobile jib, secondary bar and two contiguous blocks, described two
Individual contiguous block is hinged on the bearing in rear car respectively by steady pin, one end of mobile jib and secondary bar be hinged by connecting pin and with
The other end of the center draw hook mounting of the band buffering on front truck, mobile jib and secondary bar is hinged respectively by connecting pin with contiguous block,
Form multistage " triangle " rigid support form being hinged；
The mobile jib includes connection ring, head rod, automatic locking mechanism, the second connecting rod and the first jaw, connection ring with
Head rod connects, and the other end of head rod is connected with automatic locking mechanism, the other end of automatic locking mechanism and the
Two connecting rods connect, and the other end of the second connecting rod is connected with the first jaw；
The secondary bar includes the second jaw, the 3rd connecting rod, automatic locking mechanism, the 4th connecting rod and third fork head, the second fork
Head is connected with the 3rd connecting rod, and the other end of the 3rd connecting rod is connected with automatic locking mechanism, the other end of automatic locking mechanism
It is connected with the 4th connecting rod, the other end of the 4th connecting rod is connected with third fork head；
Mobile jib is identical with the automatic locking mechanism structure in secondary bar；The automatic locking mechanism include joint, fork-join head, claw and
Spring, the joint and fork-join head are connected by the first connecting bolt, can be swung in the range of 90 °～180 ° of restriction, its hinge
Contact deviates 5～8 millimeters of the center line of mobile jib or secondary bar, and the claw is hinged by the second connecting bolt with fork-join head, in card
A steady pin is respectively equipped with pawl and joint, the two ends of the spring are hinged respectively with the steady pin on claw and joint, one
The elastic mechanism for forming dead point swing is acted, working condition is realized and is freed the conversion and holding of state.
2. the rigid drawbar for heavy vehicle according to claim 1, it is characterised in that：Connection ring, first connect
Junction and the first jaw, second connecting rod and automatic locking mechanism junction of extension bar and automatic locking mechanism is using weldering
The mode of connecing connects.
3. the rigid drawbar for heavy vehicle according to claim 1, it is characterised in that：Mobile jib and secondary bar are
Two-segment type foldable structure, is hinged and realizes semi-rigid and rigid state rapid translating by automatic locking mechanism.
4. the rigid drawbar for heavy vehicle according to claim 1, it is characterised in that：Second jaw, the 3rd
Adopt the junction of the junction and third fork head, the 4th connecting rod and automatic locking mechanism of connecting rod and automatic locking mechanism
Connected with the mode of welding.
5. the rigid drawbar for heavy vehicle according to any one of Claims 1 to 4, it is characterised in that：It is described
Connection ring is forged using high strength alloy steel, and according to the angle between mobile jib and secondary bar connection ring structure size and stress are determined
Point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097087.XU CN206155054U (en) | 2016-09-30 | 2016-09-30 | A rigid traction device for heavy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097087.XU CN206155054U (en) | 2016-09-30 | 2016-09-30 | A rigid traction device for heavy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206155054U true CN206155054U (en) | 2017-05-10 |
Family
ID=58653518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621097087.XU Withdrawn - After Issue CN206155054U (en) | 2016-09-30 | 2016-09-30 | A rigid traction device for heavy vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206155054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364268A (en) * | 2016-09-30 | 2017-02-01 | 中信机电制造公司科研设计院 | Rigid traction device for heavy vehicles |
-
2016
- 2016-09-30 CN CN201621097087.XU patent/CN206155054U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364268A (en) * | 2016-09-30 | 2017-02-01 | 中信机电制造公司科研设计院 | Rigid traction device for heavy vehicles |
| CN106364268B (en) * | 2016-09-30 | 2019-01-01 | 中信机电制造公司科研设计院 | Rigid drawbar for heavy vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170510 Effective date of abandoning: 20190101 |