CN109484272A - A kind of rear cargo door auxiliary retaining mechanism of dumper - Google Patents
A kind of rear cargo door auxiliary retaining mechanism of dumper Download PDFInfo
- Publication number
- CN109484272A CN109484272A CN201811643898.9A CN201811643898A CN109484272A CN 109484272 A CN109484272 A CN 109484272A CN 201811643898 A CN201811643898 A CN 201811643898A CN 109484272 A CN109484272 A CN 109484272A
- Authority
- CN
- China
- Prior art keywords
- cargo door
- rear cargo
- loading space
- latch hook
- cam
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/28—Tipping body constructions
- B60P1/283—Elements of tipping devices
- B60P1/286—Loading buckets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
- B62D33/023—Sideboard or tailgate structures
- B62D33/027—Sideboard or tailgate structures movable
- B62D33/037—Latching means therefor
-
- 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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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention relates to dumper technical field, the rear cargo door of specifically a kind of dumper assists retaining mechanism, including car body, loading space, worm screw, worm gear, guide rail, auxiliary latch hook, cam, lock pillar and driving motor；Worm screw is mounted on loading space, and worm gear is mounted on loading space by the shaft being keyed with it, and worm and wheel engagement, driving motor is mounted on loading space and connect with worm screw；Guide rail is rotatably connected with shaft, and auxiliary latch hook is slidably matched with guide rail；Cam is fixedly connected with shaft, and cam is equipped with eccentric guide groove, assists being installed with the sliding block being slidably matched with eccentric guide groove on latch hook, and cam rotation can assist latch hook flexible by eccentric guide groove and slider-actuated；Lock pillar is installed on rear cargo door, and lock pillar is matched with auxiliary latch hook.The rear cargo door auxiliary retaining mechanism and self-locking mechanism of dumper of the invention realize the double locking to rear cargo door jointly, and self-locking mechanism can lock rear cargo door after guaranteeing loading space reset, and rear cargo door can be effectively prevent to beat, and improve safety.
Description
Technical field
The present invention relates to dumper technical field, the rear cargo door of specifically a kind of dumper assists retaining mechanism.
Background technique
Dumper also known as dump truck, including car body and loading space, the turnover installation of loading space on the car body, pass through hydraulic act
It rises system drive loading space and overturns achievable automatic discharging.The rear portion of loading space is equipped with rear cargo door, and the upper end of rear cargo door is articulated in loading space,
When non-discharge status, rear cargo door is remained off, and when discharging, rear cargo door is opened.Application No. is the realities of 201621258415.X
A kind of dumper is disclosed with new patent, referring to the 0037th~0039 section of the specification and attached drawing 8 of the utility model, posterior angle
Outside is equipped with manual hook plate, is welded with the anti-springboard of tailgate stop on the outside of posterior angle, is welded with manual extension on tailgate (rear cargo door)
Hook lock mandrel.After tailgate closure, manual hook plate is manually operated, manual hook lock shaft is hooked, to play locking loading space
Effect, manual hook plate and the big locking bail of tailgate (working principle of big locking bail can be found in application No. is 200920216307.X,
A kind of utility model patent of the entitled quarry tipper from lock assembly) the common double locking realized to carriage tail board, in turn
Guarantee to avoid tailgate from opening in the case where tailgate big locking bail locking failure.The anti-springboard of tailgate stop can prevent vehicle from running
It is jumped on tailgate when jolting, to guarantee the firm of tailgate closure.But the manual hook device and the anti-springboard of tailgate stop exist with
Lower disadvantage: (1) discharging after the completion of, in loading space reseting procedure, partial material of the tailgate easily because being mixed between tailgate and loading space
And tailgate pivot corrosion and can not reset completely, this, which will lead to the big locking bail of tailgate, can not lock tailgate；(2) manual hook
Plate can be rotated around manual hanger pin axis, therefore it is easily detached from manual hook lock shaft because of the road conditions jolted, and leads to its failure；
(3) after tailgate closure, there are gap (otherwise tailgate are easily shut off) between the anti-springboard of tailgate stop and manual hook pin shaft, therefore
The case where function of the anti-springboard limitation tailgate bounce of tailgate stop is limited, still there is tailgate closure loosely.
Summary of the invention
The purpose of the present invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of rear cargo door auxiliary lock of dumper
Tight mechanism realizes the double locking to rear cargo door with self-locking mechanism jointly, and self-locking mechanism can be by rear compartment after guaranteeing loading space reset
Door locking, and rear cargo door can be effectively prevent to beat, improve safety.
The technical problems to be solved by the invention are realized using following technical scheme: a kind of rear cargo door auxiliary of dumper
Retaining mechanism, including car body, loading space, worm screw, worm gear, guide rail, auxiliary latch hook, cam, lock pillar and driving motor；The loading space pivot
It is connected to car body, the rear end of the loading space is equipped with rear cargo door, and the upper end of the rear cargo door is articulated in loading space；The worm screw is mounted on goods
On compartment, the worm gear is mounted on loading space by the shaft being keyed with it, the worm and wheel engagement, the driving motor
It is mounted on loading space and is connect with worm screw；The guide rail is rotatably connected with shaft, and the auxiliary latch hook is slidably matched with guide rail；
The cam is fixedly connected with shaft, and the cam is equipped with eccentric guide groove, is installed on the auxiliary latch hook and is led with bias
The sliding block being slidably matched to slot, the cam rotation can assist latch hook flexible by eccentric guide groove and slider-actuated；It is described
Lock pillar is installed on rear cargo door, and the lock pillar is matched with auxiliary latch hook.
Technical solution of the present invention is also: the auxiliary latch hook is equipped with the rectangular recess circumscribed with lock pillar.
Compared with the existing technology, the rear cargo door auxiliary retaining mechanism of dumper of the present invention has the beneficial effect that (1) discharging is complete
Cheng Hou, in loading space reseting procedure, driving motor drives cam rotation, and auxiliary lock hook first rides on lock pillar under gravity,
It limits the rotation for assisting latch hook by lock pillar, continues to rotate with cam, rear cargo door has been pulled to by actuated by cams lock pillar retraction
Complete closure, self-locking mechanism can lock rear cargo door after guaranteeing loading space reset；(2) rear cargo door is pulled to by auxiliary latch hook is closed completely
It afterwards and locks, auxiliary latch hook is fitted closely with lock pillar, rear cargo door can be effectively prevent to beat；(3) due between worm gear and worm screw
It is self-locking, auxiliary latch hook is without departing from therefore its locking is safe and reliable；(4) it is realized jointly with self-locking mechanism to the double of rear cargo door
Relocking is tight, improves safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dumper.
Fig. 2 is the partial enlarged view in the portion A in Fig. 1.
Fig. 3 is the partial enlarged view in the portion B in Fig. 1, as the state reference map of the rear cargo door auxiliary retaining mechanism of dumper
One.
Fig. 4 is that the rear cargo door of dumper assists the state reference map two of retaining mechanism.
Fig. 5 is that the rear cargo door of dumper assists the state reference map three of retaining mechanism.
In figure: 1, car body, 2, loading space, 3, rear cargo door, 4, worm screw, 5, worm gear, 6, guide rail, 7, auxiliary latch hook, 8, cam, 9,
Lock pillar, 10, driving motor, 11, shaft, 12, eccentric guide groove, 13, sliding block, 14, rectangular recess, 15, self-locking latch hook, 16, chain
Item, 17, crank.
Specific embodiment
In order to clarify the technical characteristics of the invention, making below according to attached drawing to the specific embodiment of the invention further
Explanation.
As shown in Fig. 3~Fig. 5, a kind of rear cargo door of dumper assists retaining mechanism, including car body 1, loading space 2, worm screw 4,
Worm gear 5, guide rail 6, auxiliary latch hook 7, cam 8, lock pillar 9 and driving motor 10.
Loading space 2 is articulated in car body 1, and the rear end of loading space 2 is equipped with rear cargo door 3, and the upper end of rear cargo door 3 is articulated in loading space 2.
Worm screw 4 is mounted on loading space 2, and worm gear 5 is mounted on loading space 2 by the shaft 11 being keyed with it, worm screw 4 and snail
5 engagement of wheel, driving motor 10 are mounted on loading space 2 and connect with worm screw 4.Guide rail 6 is rotatably connected with shaft 11, assists latch hook
7 are slidably matched with guide rail 6.Cam 8 is fixedly connected with shaft 11, and cam 8 is equipped with eccentric guide groove 12, is assisted solid on latch hook 7
Equipped with the sliding block 13 being slidably matched with eccentric guide groove 12, the rotation of cam 8 can be driven by eccentric guide groove 12 and sliding block 13
Assist latch hook 7 flexible.Lock pillar 9 is installed on rear cargo door 3, and lock pillar 9 is matched with auxiliary latch hook 7, specifically, setting on auxiliary latch hook 7
There is the rectangular recess 14 circumscribed with lock pillar 9.
Referring to Fig. 1 and Fig. 2, dumper is equipped with self-locking mechanism, which is the prior art, does below to it simply
Introduce: self-locking mechanism includes self-locking latch hook 15 and chain 16.Self-locking latch hook 15 is articulated in loading space 2 and matches with rear cargo door 3, self-locking
Crank 17 is installed on latch hook 15.The both ends of chain 16 are respectively pivoted to car body 1 and crank 17.When self-locking mechanism is in locking shape
When state, chain 16 tenses self-locking latch hook 15 by crank 17, and rear cargo door 3 is made to be in reliable locking state；When discharging, loading space 2
Overturning makes the tie point of more than 16 car body 1 of chain and the Distance Shortened of chain 16 and the tie point of crank 17, so that chain 16 be made to put
Pine, self-locking latch hook 15 is overturn with respect to loading space 2 under the effect of gravity, to open rear cargo door 3.
The working principle of the anti-jump retaining mechanism of the present invention: as shown in figure 3, when 3 closed state of rear cargo door, cam 8 is turned to
Clockwise extreme position, auxiliary latch hook 7 tenses lock pillar 9 under the action of cam 8, to lock rear cargo door 3.Unlock anti-jump lock
When tight mechanism, driving motor 10 drives cam 8 to rotate counterclockwise, since lock pillar 9 limits the inverse time of auxiliary latch hook 7 and guide rail 6
Needle rotation, therefore cam 8 passes through eccentric guide groove 12 and drives sliding block 13 mobile, makes that latch hook 7 is assisted rearward to stretch out, when lock pillar 9
It is detached from rectangular recess 14 (as shown in Figure 4).Then, it assists the gravity of latch hook 7 and guide rail 6 itself to limit them to rotate counterclockwise,
Until cam 8 drives auxiliary latch hook 7 and guide rail 6 to rotate counterclockwise after the end of eccentric guide groove 12 is contacted with sliding block 13, prevent
Rear cargo door 3 is interfered to open (as shown in Figure 5), loading space 2 is overturn at this time, and rear cargo door 3 can opening for unloading.After the completion of discharging, goods
In 2 reseting procedure of compartment, driving motor 10 drives cam 8 to rotate clockwise, and auxiliary latch hook 7 first rides over lock pillar under gravity
On 9, limiting the rotation for assisting latch hook 7 by lock pillar 9, continue to rotate with cam 8, the driving auxiliary latch hook 7 of cam 8 bounces back,
Rear cargo door 3 is pulled to and is closed completely.
The embodiment of the present invention is elaborated above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also do without departing from the purpose of the present invention
Various change out.
Claims (2)
1. a kind of rear cargo door of dumper assists retaining mechanism, including car body (1) and loading space (2), the loading space (2) to be articulated in vehicle
The rear end of body (1), the loading space (2) is equipped with rear cargo door (3), and the upper end of the rear cargo door (3) is articulated in loading space (2), feature
It is: further includes worm screw (4), worm gear (5), guide rail (6), auxiliary latch hook (7), cam (8), lock pillar (9) and driving motor (10)；
The worm screw (4) is mounted on loading space (2), and the worm gear (5) is mounted on loading space (2) by the shaft (11) being keyed with it
On, the worm screw (4) is engaged with worm gear (5), and the driving motor (10) is mounted on loading space (2) and connect with worm screw (4)；Institute
It states guide rail (6) to be rotatably connected with shaft (11), the auxiliary latch hook (7) is slidably matched with guide rail (6)；The cam (8) with
Shaft (11) is fixedly connected, and the cam (8) is equipped with eccentric guide groove (12), is installed on the auxiliary latch hook (7) and partially
The sliding block (13) that heart guide groove (12) is slidably matched, cam (8) rotation can pass through eccentric guide groove (12) and sliding block
(13) driving auxiliary latch hook (7) is flexible；The lock pillar (9) is installed on rear cargo door (3), the lock pillar (9) and auxiliary latch hook (7)
Matching.
2. the rear cargo door of dumper according to claim 1 assists retaining mechanism, it is characterised in that: the auxiliary latch hook
(7) it is equipped with the rectangular recess (14) circumscribed with lock pillar (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643898.9A CN109484272B (en) | 2018-12-29 | 2018-12-29 | Rear compartment door auxiliary locking mechanism of dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643898.9A CN109484272B (en) | 2018-12-29 | 2018-12-29 | Rear compartment door auxiliary locking mechanism of dump truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109484272A true CN109484272A (en) | 2019-03-19 |
| CN109484272B CN109484272B (en) | 2023-08-18 |
Family
ID=65712063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811643898.9A Active CN109484272B (en) | 2018-12-29 | 2018-12-29 | Rear compartment door auxiliary locking mechanism of dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109484272B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665473A (en) * | 2021-10-22 | 2021-11-19 | 徐州铁手五金工具制造有限公司 | Mining transport case locking device based on remote control |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09209627A (en) * | 1996-02-05 | 1997-08-12 | Aisin Seiki Co Ltd | Door lock actuator |
| CN201670149U (en) * | 2010-05-05 | 2010-12-15 | 三河市新宏昌专用车有限公司 | Carriage back-plate opening-prevention edge hook device |
| CN205189552U (en) * | 2015-11-04 | 2016-04-27 | 上海大学 | Automatic gate control structure of closing of car |
| CN106837020A (en) * | 2017-03-28 | 2017-06-13 | 成都因纳维特科技有限公司 | New-energy automobile security protection child lock |
| CN209534844U (en) * | 2018-12-29 | 2019-10-25 | 山东聚鑫专用车制造有限公司 | A kind of rear cargo door auxiliary retaining mechanism of dumper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797533Y (en) * | 2005-07-01 | 2006-07-19 | 吴远彪 | Vehicle locking device |
| CN102587748B (en) * | 2012-03-01 | 2014-05-14 | 上海大学 | High-reliability burglary-preventive control mechanism for automobile door lock |
| KR101662518B1 (en) * | 2014-09-30 | 2016-10-06 | 현대자동차주식회사 | Latch struture of tail-gate |
| CN207725281U (en) * | 2017-12-03 | 2018-08-14 | 湖北华星汽车制造有限公司 | A kind of auxiliary latch hook closing device of dumper |
-
2018
- 2018-12-29 CN CN201811643898.9A patent/CN109484272B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09209627A (en) * | 1996-02-05 | 1997-08-12 | Aisin Seiki Co Ltd | Door lock actuator |
| CN201670149U (en) * | 2010-05-05 | 2010-12-15 | 三河市新宏昌专用车有限公司 | Carriage back-plate opening-prevention edge hook device |
| CN205189552U (en) * | 2015-11-04 | 2016-04-27 | 上海大学 | Automatic gate control structure of closing of car |
| CN106837020A (en) * | 2017-03-28 | 2017-06-13 | 成都因纳维特科技有限公司 | New-energy automobile security protection child lock |
| CN209534844U (en) * | 2018-12-29 | 2019-10-25 | 山东聚鑫专用车制造有限公司 | A kind of rear cargo door auxiliary retaining mechanism of dumper |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665473A (en) * | 2021-10-22 | 2021-11-19 | 徐州铁手五金工具制造有限公司 | Mining transport case locking device based on remote control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109484272B (en) | 2023-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 250000 Chengdong Industrial Park, Shuangshan street, Zhangqiu District, Jinan City, Shandong Province Applicant after: Shandong Juxin Special Vehicle Manufacturing Co.,Ltd. Address before: 250200 Shuangshan Street Chengdong Industrial Park, Zhangqiu District, Jinan City, Shandong Province Applicant before: CHINA NATIONAL HEAVY DUTY TRUCK GROUP SHANDONG JUXIN SPECIAL PURPOSE VEHICLE CO.,LTD. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |