CN114212015B - Locking and opening mechanism for rear baffle of dump truck carriage body and using method thereof - Google Patents
Locking and opening mechanism for rear baffle of dump truck carriage body and using method thereof Download PDFInfo
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- CN114212015B CN114212015B CN202210004297.3A CN202210004297A CN114212015B CN 114212015 B CN114212015 B CN 114212015B CN 202210004297 A CN202210004297 A CN 202210004297A CN 114212015 B CN114212015 B CN 114212015B
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- 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
- B60P1/26—Means for controlling movement of tailboards or sideboards
- B60P1/267—Controlling degree of tailboard or sideboard movement in dependence upon degree of tipping movement, e.g. by linkage or cam
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Abstract
The invention discloses a locking and unlocking mechanism for a rear baffle of a dump truck carriage body and a using method thereof, and the locking and unlocking mechanism comprises a chassis, wherein a cargo carriage is arranged on the chassis through an unloading rotating shaft, two fixing plates are welded on the upper part of the rear end of the cargo carriage, a rotating rod is arranged on the fixing plates through a baffle rotating shaft, a rear baffle is arranged at the lower end of the rotating rod, two locking clamping blocks are welded on the lower end of the rear baffle, locking holes are formed in the front ends of the locking clamping blocks, a locking pin box is welded on the lower part of the rear part of the cargo carriage, clamping block insertion holes are formed in the corresponding positions of the rear part of the locking pin box, two locking pins are respectively arranged on the left side and the right side of each clamping block insertion hole, the rear ends of the locking pins penetrate through the locking pin box and are connected with a longitudinal connecting rod, the longitudinal connecting rod is connected with a transverse pushing rod, the front end of the longitudinal pushing rod is connected with the transverse pushing rod, and the longitudinal pushing rod is welded on the transverse pushing rod through the arrangement of a clamping block and the clamping block, the locking clamping block can be inserted into the clamping block insertion hole to push the clamping stop block to lock, so that the early locking condition is avoided.
Description
Technical Field
The invention relates to the related technical field of dump trucks, in particular to a locking and unlocking mechanism for a rear baffle of a dump truck compartment body and a using method thereof.
Background
With the rapid development of national economy, the dump truck is an indispensable vehicle type in the automobile transportation industry, the transportation is completed by the dump truck from the national large-scale construction to the general production of enterprises, the dump truck has high efficiency and high speed and is an indispensable part of people, the locking device of the rear box door of the dump truck is also a very important link, the quality of the work of the locking device directly influences the cargo damage and the environmental pollution, and therefore the locking and opening mechanism of the rear baffle of the dump truck box body and the using method thereof are needed.
However, the locking and unlocking mechanism of the rear baffle of the existing dump truck carriage body is unreliable, and the phenomenon of locking empty is easy to occur, namely early locking, and the locking device is locked when the rear baffle does not reach the locking position, so that the locking failure is caused, and the cargo loss and the environmental pollution are caused.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a locking and opening mechanism for a rear baffle plate of a carriage body of a dump truck comprises a chassis, wherein a cargo carriage is installed on the chassis through a discharging rotating shaft, two fixing plates are welded at the upper part of the rear end of the cargo carriage, a rotating rod is installed on the fixing plates through a baffle rotating shaft, a rear baffle plate is installed at the lower end of the rotating rod, two locking clamping blocks are welded at the lower end of the rear baffle plate, locking holes are formed in the front ends of the locking clamping blocks, a locking pin box is welded below the rear part of the cargo carriage, clamping block insertion holes are formed in the rear part of the locking pin box, two locking pins are respectively installed on the left side and the right side of the clamping block insertion holes, clamping stop blocks are installed on the inner sides of the locking pins, the rear ends of the locking pins penetrate through the locking pin box and are connected with longitudinal connecting rods, the longitudinal connecting rods are connected with transverse telescopic rods, the front ends of the telescopic rods are connected with transverse pushing rods through universal ball joints, the transverse pushing rods are connected with transverse rods through rotating shafts, the connecting cross rod is welded with a longitudinal pushing rod, the longitudinal pushing rod is connected to a push rod fixing block at the rear part of the chassis through a push rod shaft, a spring clamping block is machined in the middle section of the locking pin, a first reset spring is sleeved between the spring clamping block on the locking pin and the lock pin box, a clamping stop piece is machined on the inner side of the spring clamping block, two spring rods are machined on the clamping stop piece, a second reset spring is sleeved outside the spring rods, the other end of each spring rod is inserted into a limiting hole in the inner side of the lock pin box, the edge of each clamping stop piece and the corner on the outer side of the clamping stop piece are machined into round corners, and the length of each clamping stop piece is greater than the sum of the distance between the two clamping stop pieces in a closed state and the width of the clamping block jack.
Preferably, the front end of the locking fixture block is processed into an arc-shaped fillet.
Preferably, the front end of the locking pin is processed with a guide bevel.
Preferably, when the telescopic rod, the transverse pushing rod and the connecting cross rod are on the same straight line, the distance between the two clamping stop pieces is larger than the length of the clamping stop block.
A use method of a locking and opening mechanism of a rear baffle of a dump truck compartment body comprises the following steps:
s1: the locking mechanism is opened, the front end of the cargo compartment is controlled to lift and tilt backwards, meanwhile, the longitudinal pushing rod and the transverse pushing rod push the locking pin to move towards two sides through the telescopic rod and the longitudinal connecting rod, the front end of the locking pin exits from the locking hole, the clamping stop block is clamped between the two clamping stop pieces under the pushing of the second reset spring to fix the locking pin, the locking fixture block can be separated from the fixture block jack, and unlocking is achieved for unloading;
s2: locking mechanism locks, and the goods is unloaded the back and is controlled the goods railway carriage or compartment and go back to level, and the backplate rotates around the baffle pivot and falls down under the action of gravity this moment, and the locking fixture block on the backplate gets into the fixture block jack, promotes the screens dog, makes the screens dog break away from the screens dog, and the stop pin inserts the locking downthehole locking on the locking fixture block under the promotion of first reset spring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the longitudinal push rod, the transverse push rod and the longitudinal connecting rod, the locking device can be opened and closed along with the lifting of the cargo compartment without additional operation;
2. according to the invention, through the arrangement of the clamping stop piece and the clamping stop block, the locking fixture block can be inserted into the fixture block jack to push the clamping stop block to be locked under the condition that the rear baffle is completely closed, so that the condition of early locking is avoided.
Drawings
FIG. 1 is a side view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a structural diagram illustrating an open state of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention.
Reference numbers in the figures: 1. a chassis; 2. a discharge rotating shaft; 3. a cargo compartment; 4. a fixing plate; 5. a baffle plate rotating shaft; 6. rotating the rod; 7. a tailgate; 8. locking the fixture block; 9. a locking hole; 10. a latch box; 11. inserting holes of the fixture blocks; 12. a locking pin; 13. a guide bevel; 14. a spring clamping block; 15. a first return spring; 16. a blocking stop piece; 17. a blocking stop block; 18. a spring lever; 19. a second return spring; 20. a limiting hole; 21. a longitudinal connecting rod; 22. a telescopic rod; 23. a universal ball joint; 24. a transverse push rod; 25. a rotating shaft; 26. connecting the cross bars; 27. a longitudinal push rod; 28. a push rod shaft; 29. and a push rod fixing block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a method for using a locking and unlocking mechanism for a tailgate of a dump truck compartment includes the following steps:
s1: the locking mechanism is opened, the front end of the cargo compartment is controlled to lift and tilt backwards, meanwhile, the longitudinal pushing rod 27 and the transverse pushing rod 24 push the locking pin 12 to move towards two sides through the telescopic rod 22 and the longitudinal connecting rod 21, the front end of the locking pin 12 exits from the locking hole 9, the clamping stop block 17 is clamped between the two clamping stop sheets 16 under the pushing of the second reset spring 19 to fix the locking pin 12, the locking clamping block 8 can be separated from the clamping block insertion hole 11, and unlocking and unloading are achieved;
s2: the locking mechanism locks, the cargo compartment is controlled to return to the flat state after the cargo is unloaded, the rear baffle 7 rotates around the baffle rotating shaft 5 under the action of gravity and falls down, the locking clamping block 8 on the rear baffle 7 enters the clamping block insertion hole 11 to push the clamping stop block 17, the clamping stop piece 16 is separated from the clamping stop block 17, and the locking pin 12 is inserted into the locking hole 9 on the locking clamping block 8 to be locked under the pushing of the first reset spring 15.
The working principle is as follows: when the locking and unlocking mechanism for the tailgate of the dump truck body is used, the front end of the cargo compartment 3 is controlled to rise during unloading, the longitudinal push rod 27 is pushed forwards along with the rising of the front end of the cargo compartment 3, the telescopic rod 22 is pushed towards two ends through the connecting cross rod 26, the locking pin 12 is driven to compress the first return spring 15 to move towards two ends, the front end of the locking pin 12 is separated from the locking hole 9 on the locking fixture block 8, so that the locking fixture block 8 is separated from the fixture block insertion hole 11, the tailgate 7 rotates around the flap rotating shaft 5, so that goods can slide down from the cargo compartment 3, when the telescopic rod 22, the transverse push rod 24 and the connecting cross rod 26 are positioned on the same straight line, the locking pin 12 is pushed to the extreme position, the clamping stop pieces 16 are pushed to two sides of the clamping stop piece 17, the clamping stop piece 17 is clamped between the clamping stop pieces 16 under the pushing of the second return spring 19, and the longitudinal push rod 27 is continuously pushed forwards, two sides of the blocking stop 17 are respectively blocked with two blocking separation blades 16 to prevent the locking pin 12 from resetting, at the same time, the telescopic rod 22 is extended under the pulling of the transverse pushing rod 24, avoiding pulling the locked locking pin 12, when the goods are completely unloaded, the goods compartment 3 returns to the flat state, the rear baffle 7 rotates around the baffle rotating shaft 5 under the action of gravity and falls down, the locking clamping block 8 falls into the clamping block insertion hole 11 again, and bump against the position limit stop 17, the position limit stop 17 compresses the second return spring 19 to retreat, at this moment, the position limit stop piece 16 breaks away from the two sides of the position limit stop 17, the locking pin 12 is inserted into the locking hole 9 under the action of the first return spring 15 to complete locking, the guiding bevel 13 can guide the locking pin 12 to be smoothly inserted into the locking hole 9 under the condition that the locking pin 12 has error with the locking hole 9, thus, the locking and unlocking mechanism for the rear baffle of the dump truck carriage body and the using method thereof are completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a locking opening mechanism of baffle behind dump truck railway carriage or compartment body, includes chassis (1), its characterized in that: the cargo compartment (3) is installed on the chassis (1) through the unloading rotating shaft (2), the upper portion of the rear end of the cargo compartment (3) is welded with two fixing plates (4), the fixing plates (4) are provided with rotating rods (6) through baffle rotating shafts (5), the lower end of each rotating rod (6) is provided with a rear baffle (7), the lower end of each rear baffle (7) is welded with two locking clamping blocks (8), the front ends of the locking clamping blocks (8) are provided with locking holes (9), the lower portion of the rear portion of the cargo compartment (3) is welded with a locking pin box (10), the rear portion of each locking pin box (10) is correspondingly provided with a clamping block insertion hole (11), the left side and the right side of each clamping block insertion hole (11) are respectively provided with two locking pins (12), the inner sides of the locking pins (12) are provided with clamping stop blocks (17), and the rear ends of the locking pins (12) penetrate through the locking pin boxes (10) and are connected with longitudinal connecting rods (21), the vertical connecting rod (21) is connected with a horizontal telescopic rod (22), the front end of the telescopic rod (22) is connected with a horizontal push rod (24) through a universal ball joint (23), the horizontal push rod (24) is connected with a connecting cross rod (26) through a rotating shaft (25), the connecting cross rod (26) is welded with a vertical push rod (27), the vertical push rod (27) is connected onto a push rod fixing block (29) at the rear part of the chassis (1) through a push rod shaft (28), a spring clamping block (14) is processed in the middle section of the locking pin (12), a first reset spring (15) is sleeved between the spring clamping block (14) on the locking pin (12) and the locking pin box (10), a clamping blocking piece (16) is processed on the inner side of the spring clamping block (14), two spring rods (18) are processed on the clamping blocking piece (17), a second reset spring (19) is sleeved outside the spring rods (18), the other end of the spring rod (18) is inserted into a limiting hole (20) on the inner side of the lock pin box (10), the edge of the clamping stop piece (16) and the corner on the outer side of the clamping stop block (17) are all processed into round corners, and the length of the clamping stop block (17) is larger than the sum of the distance between the two clamping stop pieces (16) in a closed state and the width of the clamping block insertion hole (11).
2. The locking and unlocking mechanism for the tailgate of the dump truck carriage as claimed in claim 1, wherein: the front end of the locking clamping block (8) is processed into an arc-shaped fillet.
3. The locking and unlocking mechanism for the tailgate of the dump truck compartment according to claim 1, wherein: the front end of the locking pin (12) is provided with a guide bevel (13).
4. The locking and unlocking mechanism for the tailgate of the dump truck compartment according to claim 1, wherein: when the telescopic rod (22), the transverse push rod (24) and the connecting cross rod (26) are on the same straight line, the distance between the two clamping stop pieces (16) is larger than the length of the clamping stop block (17).
5. The use method of the locking and unlocking mechanism for the tailgate of the dump truck carriage according to any one of claims 1 to 4, comprising the following steps:
s1: the locking mechanism is opened, the front end of the cargo compartment is controlled to lift and tilt backwards, meanwhile, the longitudinal pushing rod (27) and the transverse pushing rod (24) push the locking pin (12) to move towards two sides through the telescopic rod (22) and the longitudinal connecting rod (21), the front end of the locking pin (12) is made to exit from the locking hole (9), the clamping stop block (17) is clamped between the two clamping stop sheets (16) under the pushing of the second reset spring (19) to fix the locking pin (12), the locking clamping block (8) can be disengaged from the clamping block insertion hole (11), and unlocking and unloading are achieved;
s2: locking mechanism locks, and the goods is unloaded the back and is controlled the goods railway carriage or compartment and go back to level, and backplate (7) rotate around baffle pivot (5) and fall down under the action of gravity this moment, and locking fixture block (8) on backplate (7) get into fixture block jack (11), promote screens dog (17), make screens separation blade (16) break away from screens dog (17), and locking pin (12) are inserted locking hole (9) on locking fixture block (8) and are locked under the promotion of first reset spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210004297.3A CN114212015B (en) | 2022-01-04 | 2022-01-04 | Locking and opening mechanism for rear baffle of dump truck carriage body and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210004297.3A CN114212015B (en) | 2022-01-04 | 2022-01-04 | Locking and opening mechanism for rear baffle of dump truck carriage body and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114212015A CN114212015A (en) | 2022-03-22 |
| CN114212015B true CN114212015B (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210004297.3A Active CN114212015B (en) | 2022-01-04 | 2022-01-04 | Locking and opening mechanism for rear baffle of dump truck carriage body and using method thereof |
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| Country | Link |
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| CN (1) | CN114212015B (en) |
Citations (2)
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| CN101654074A (en) * | 2008-08-19 | 2010-02-24 | 芜湖中集瑞江汽车有限公司 | Dumper rear door locking mechanism and dumper having the door locking mechanism |
| CN105253050A (en) * | 2015-11-05 | 2016-01-20 | 湖南汽车制造有限责任公司 | Locking device and dumper provided with locking device |
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| US5971683A (en) * | 1998-01-30 | 1999-10-26 | Hunt; Kyle C. | Multipurpose anchor |
| US6666491B2 (en) * | 2001-09-13 | 2003-12-23 | Mcneilus Truck And Manufacturing, Inc. | Tailgate lock-open mechanism |
| CN201086667Y (en) * | 2007-08-27 | 2008-07-16 | 安徽江淮扬天汽车股份有限公司 | Hydraulic driven rear breast board device of self-discharging vehicle |
| WO2011033771A1 (en) * | 2009-09-17 | 2011-03-24 | 新明和工業株式会社 | Opening/closing device for vehicle tailgate |
| CN102320437B (en) * | 2011-05-27 | 2013-06-05 | 王俊 | Goods storing, fetching and locking device |
| CN202518148U (en) * | 2012-04-27 | 2012-11-07 | 中国葛洲坝集团股份有限公司 | Automatic opening and closing device for rear baffle plate of dump truck |
| CN205592264U (en) * | 2015-12-18 | 2016-09-21 | 航天恒星科技有限公司 | From locking -type bolt |
| CN209705029U (en) * | 2019-03-21 | 2019-11-29 | 北京首航科学技术开发有限公司 | Fast assembling-disassembling bolt |
| CN110509831A (en) * | 2019-09-16 | 2019-11-29 | 十堰盛世龙实业有限公司 | A kind of big compartment back door of self-clearing car is anti-sway only to jump device |
| CN211617521U (en) * | 2020-01-13 | 2020-10-02 | 中国重汽集团青岛重工有限公司 | Composite locking device for rear door of dump truck |
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2022
- 2022-01-04 CN CN202210004297.3A patent/CN114212015B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654074A (en) * | 2008-08-19 | 2010-02-24 | 芜湖中集瑞江汽车有限公司 | Dumper rear door locking mechanism and dumper having the door locking mechanism |
| CN105253050A (en) * | 2015-11-05 | 2016-01-20 | 湖南汽车制造有限责任公司 | Locking device and dumper provided with locking device |
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| Publication number | Publication date |
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| CN114212015A (en) | 2022-03-22 |
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