CN203157799U - Rear dump truck with safety supporting frame - Google Patents
Rear dump truck with safety supporting frame Download PDFInfo
- Publication number
- CN203157799U CN203157799U CN 201320039205 CN201320039205U CN203157799U CN 203157799 U CN203157799 U CN 203157799U CN 201320039205 CN201320039205 CN 201320039205 CN 201320039205 U CN201320039205 U CN 201320039205U CN 203157799 U CN203157799 U CN 203157799U
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- China
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- hinged
- container body
- power transmission
- sour jujube
- transmission framework
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a rear dump truck with a safety supporting frame. The rear dump truck with the safety supporting frame is characterized in that a mechanism composed of a rigidity supporting rod frame, a ratchet plate-ratchet rack and a damping oil cylinder is designed and installed between a cargo carriage body of the dump truck and an auxiliary frame of an automotive chassis. When the cargo carriage body is lifted under the effect of a front-mounted lifting oil cylinder, the supporting rod frame and the ratchet plate-ratchet rack effectively have the security effect and improve stability. When the cargo carriage body is dropped, the damping oil cylinder ensures stability and security of dropping. The secure supporting rod frame mechanism is most suitable for being used for the rear dump truck with a long cargo carriage body and large load mass.
Description
Technical field
A kind of by turn over behind the safe support formula dumping car it be applicable to be installed in form on various transport trucks chassis, chassis of semi-trailer or the full-trailer chassis be equipped with safe support after turn over formula dumping car, semi-mounted dumping car or hang dumping car entirely.
Background technology
Turn over the formula dumping car after present and all do not have safe support device, this for container short in, turning over the formula dumping car after small-sized can also adapt to, but it is longer for container, the dumping car that the charge material amount is bigger, especially for after turn over formula semi-mounted dumping car, its stability and safety performance just do not obtain real guarantee, have only a kind of two small-sized collapsible retainers at present, it is installed in the bottom of container body, but its function can only be the side direction guarantee of playing the container body, as for box body is descended suddenly fast, just can't play guaranteeing role at all.
Summary of the invention
The objective of the invention is to design provides a kind of safe support of novelty mechanism, the strut frame of a rigidity is installed between the subframe on box body and the car chassis, by sour jujube plate and ratchet bar and be aided with damping oil cylinder and ensure that effectively the container body can both be safe and reliable on any angle of lifting.Even the box body that is under the lifting state is slowly steadily descended to be resetted.
After solving that technical scheme that its technical matters takes is a kind of safe support is arranged, the present invention turns over the formula dumping car, it is by car chassis, elevating ram, the safe support mechanism of container body and container body forms, the main stress member of the safe support mechanism of described container body, it is fixing hinged hinged by upper end and container body bottom, and the power transmission framework that roller is housed that is positioned at left and right rail on lower end and the car chassis subframe is made the strut frame be movably hinged, is fixedly mounted on the sour jujube plate box assembly on the power transmission framework and the ratchet bar that is fixedly mounted on the car chassis subframe is formed.After the safe support of the one cover mechanism of having turned between the subframe of the container body of formula dumping car and vehicle chassis design and installation, the primary structure member of this mechanism is the strut frame of a rigidity, the fixing hinged work in its upper end and container body bottom is rotatable hinged, and the lower end with rigidity power transmission framework do both rotatable can be with mobile hinged of power transmission framework, the power transmission framework is equipped with roller and is provided with guide rail about it, and the power transmission framework can only be done to move along the direction that left and right rail limits.At the power transmission framework sour jujube plate case is installed, the sour jujube plate in the corresponding sour jujube plate case is provided with ratchet bar on the plane of vehicle chassis subframe, and the sour jujube plate in ratchet bar and the sour jujube plate case is meshed, and above-mentioned these have been formed the main bearing member of a safe support.In addition the subframe of vehicle chassis also design and installation a damping oil cylinder, one end and the hinged-support on the subframe of damping oil cylinder are hinged, hinged-support on the other end and the power transmission framework is hinged, damping oil cylinder is unidirectional single acting oil cylinder, its hydraulic fluid port links to each other with fuel tank with flow regulating valve through one group of check valve, when the container body is slowly lifted, just by strut frame-power transmission framework-damping oil cylinder piston rod, make damping oil cylinder at leisure by check valve oil suction in the fuel tank; When descending, the container body by strut frame-power transmission framework-damping oil cylinder piston rod, force in-oil cylinder hydraulic oil to flow back to fuel tank from hydraulic fluid port via flow regulating valve, because the effect of flow regulating valve makes the container body slowly be descended, steadily reset.
The invention has the beneficial effects as follows
1. the strut frame of rigidity has strengthened the stability of capacity of the tipping body body operation, and effectively supports the container body can work as elevating ram and hydraulic efficiency pressure system catastrophic failure the time on any lift height, guarantees safety.
2. damping oil cylinder and hydraulic efficiency pressure system thereof are guaranteed to be in container body under any lifting angle state and can both steadily be descended and reset, and have eliminated potential safety hazard.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing
Fig. 1 is the not structural representation of lifting state of dumping car box body
Fig. 2 is the structural representation of dumping car box body lifting state
Fig. 3 is the A-A sectional structure scheme drawing of Fig. 1
Fig. 4 is that the B of Fig. 2 is to structural representation
Fig. 5 is the C-C sectional structure scheme drawing of Fig. 3
Fig. 6 is the D-D sectional structure scheme drawing of Fig. 3
Fig. 7 is the E-E sectional structure scheme drawing of Fig. 3
Fig. 8 is the F-F sectional structure scheme drawing of Fig. 7
Fig. 9 is the G-G sectional structure scheme drawing of Fig. 8
Figure 10 is the damping oil cylinder hydraulic schematic diagram
Among the figure: 1. car chassis, 2. elevating ram, 3. left and right rail, 4. strut frame, 5. fix about hinged, 6. container body, 7. fixed-hinged support, 8. roller, 9. movable hinged about, 10. power transmission framework, 11. damping oil cylinders, 12. sour jujube plate box assemblies, 13. hinged-support, 14. ratchet bars, 15. power cylinders, 16. lift forks, 17. pilot bar, 18. springs, 19. sour jujube plate casings, 20. sour jujube plates, 21. bearing pin, 22. fuel tanks, 23. check valves, 24. flow regulating valve
The specific embodiment
A kind of have safe support after turn over the formula dumping car, it is by car chassis 1, elevating ram 2, the safe support mechanism of container body 6 and container body forms, the main bearing member of the safe support mechanism of its container body, it is fixing hinged 5 hinged by upper end and container body 6 bottoms, and on lower end and car chassis 1 subframe be positioned at left and right rail 3 about be equipped with that the power transmission framework 10 of roller 8 does to be movably hinged strut frame 4, be fixedly mounted on the sour jujube plate box assembly 12 on the power transmission framework 10 and the ratchet bar 14 that is fixedly mounted on car chassis 1 subframe is formed.The buffering damping member of the safe support mechanism of its container body it by the fixed-hinged support 7 on an end and car chassis 1 subframe is hinged and hinged-support 13 hinged damping oil cylinder 11, fuel tank 22, check valve 23, flow regulating valve 24 on the other end and the power transmission framework 10 are formed.It is fixedly mounted on the sour jujube plate box assembly 12 on the power transmission framework 10, and it is made up of sour jujube plate casing 19, power cylinder 15, lift fork 16, pilot bar 17, spring 18, bearing pin 21, sour jujube plate 20.
By accompanying drawing as seen, the strut frame 4 of safe strut mechanism is a rigid member, it is between the subframe of container body 6 and car chassis 1, the upper end of strut frame 4 is by bearing pin and container body 6 bottoms, about fix hinged 5 do rotatable hinged, and the lower end of strut frame 4 by bearing pin and power transmission framework 10 respectively about movable hinged 9 places hinged, it is not only rotatable but also can be mobile with power transmission framework 10, power transmission framework 10 is equipped with pulley 8, left and right rail 3 is installed on the subframe of car chassis 1, left and right rail 3 defines power transmission framework 10 and can only move forward and backward, two sour jujube plate box assemblies 12 on power transmission framework 10, have also been fixedly mounted, by Fig. 8, the visible sour jujube plate of Fig. 9 box assembly 12 is by sour jujube plate casing 19, power cylinder 15, lift fork 16, pilot bar 17, spring 18 and sour jujube plate 20 are formed, and under the effect of pilot bar 17 and spring 18 sour jujube plate 20 are pressed on the ratchet bar 14.Be provided with damping oil cylinder 11 in the centre of power transmission framework 10 in addition, one end of oil cylinder is done rotatable hinged with the fixed-hinged support 7 on the subframe of bearing pin and car chassis 1, the other end of oil cylinder is done rotating hinged with the hinged-support 13 on bearing pin and the power transmission framework 10, damping oil cylinder 11 is unidirectional single acting oil cylinders, has only a hydraulic fluid port at cylinder bottom, hydraulic fluid port is connected with hydraulic efficiency pressure system through hydraulic tubing, the hydraulic efficiency pressure system of damping oil cylinder is an auxiliary device, fuel tank 22 is to have oil box, liquidometer, the fexible unit of airfilter and oil filter is provided with check valve in parallel 23 and flow regulating valve 24 (also can directly select for use one-way throttle valve to replace) between fuel tank 22 and damping oil cylinder 11.
Have safe support after turn over the formula dumping car safe support mechanism and buffering damping member bring into play its safety control effect by following mode.When container body 6 slowly lifts under the effect of elevating ram 2, move to car chassis afterbody shown in Figure 2 with power transmission framework 10 under left and right rail 3 constraints the lower end of strut frame 4, this moment, sour jujube plate box assembly 12 interior sour jujube plates 20 were pressed under the effect of spring 18 on the ratchet bar 14, and constantly mobile and snap in the tooth of ratchet bar 14 by tooth backward along with power transmission framework 10, because upper end and the container body 6 of strut frame 4 are hinged, therefore if just can guarantee the safety supports effect of 4 pairs of container bodies 6 of strut frame when elevating ram 2 and hydraulic efficiency pressure system et out of order thereof, and because strut frame 4 is rigid members, even when the normal operation of hydraulic efficiency pressure system trouble free, also can improve the stability of container body.
In addition whole strut frame 4 prop up mobile backward with power transmission framework 10 in, the piston rod of damping oil cylinder 11 stretches out gradually and makes cylinder body form vacuum, the hydraulic oil in the fuel tank 22 suck in the chamber of damping oil cylinders 11 through check valve 23.When container body 6 descends (no matter be that the container body normally descends under the elevating ram effect, still because the improper decline behind elevating ram and the hydraulic efficiency pressure system et out of order) only need control diagram 8, power cylinder 15 shown in Figure 9, through lift fork 16, bearing pin 21 sour jujube plate 20 is mentioned, make the engagement of 20 disengagings of sour jujube plate and ratchet bar 14, container body 6 declines naturally under gravity effect this moment, strut frame 4 lower ends also will 1 operator's compartment direction move along left and right rail 3 to car chassis together with power transmission framework 10.This moment will be through hinged-support 13 also will slowly be withdrawn cylinder body with the piston rod of power transmission framework 10 joining damping oil cylinders 11 in, so force the hydraulic oil in the cylinder body to flow back to fuel tank 22 through flow regulating valve 24, as seen because the throttling action of flow regulating valve 24, make whole container body 6, strut frame 4 and power transmission framework 10 all slowly balance be reset to state shown in Figure 1.
Claims (3)
- One kind have safe support after turn over the formula dumping car, it is by car chassis (1), elevating ram (2), the safe support mechanism of container body (6) and container body forms, the main stress member that it is characterized in that the safe support mechanism of described container body, it is hinged by fixing hinged (5) of upper end and container body (6) bottom, and the strut frame (4) that the power transmission framework (10) that roller (8) is housed that is positioned at left and right rail (3) on lower end and car chassis (1) subframe is done to be movably hinged is fixedly mounted on the sour jujube plate box assembly (12) on the power transmission framework (10) and the ratchet bar (14) that is fixedly mounted on car chassis (1) subframe is formed.
- According to claim 1 a kind of have safe support after turn over the formula dumping car, be further characterized in that the buffering damping member of the safe support mechanism of its container body, it is hinged by the fixed-hinged support (7) on an end and car chassis (1) subframe, and hinged damping oil cylinder (11), fuel tank (22), check valve (23), the flow regulating valve (24) of the hinged-support (13) on the other end and the power transmission framework (10) formed.
- According to claim 1 a kind of have safe support after turn over the formula dumping car and be further characterized in that it is fixedly mounted on the sour jujube plate box assembly (12) on the power transmission framework (10), it is made up of sour jujube plate casing (19), power cylinder (15), lift fork (16), pilot bar (17), spring (18), bearing pin (21), sour jujube plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039205 CN203157799U (en) | 2013-01-24 | 2013-01-24 | Rear dump truck with safety supporting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039205 CN203157799U (en) | 2013-01-24 | 2013-01-24 | Rear dump truck with safety supporting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203157799U true CN203157799U (en) | 2013-08-28 |
Family
ID=49019009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320039205 Expired - Lifetime CN203157799U (en) | 2013-01-24 | 2013-01-24 | Rear dump truck with safety supporting frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203157799U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963686A (en) * | 2013-01-24 | 2014-08-06 | 姚天锡 | Back-tipping dumper with safety support |
| CN105774625A (en) * | 2016-02-29 | 2016-07-20 | 中山市德基德克汽车技术有限公司 | Carriage stabilizing mechanism for backward-turning type dump truck |
| CN109747513A (en) * | 2017-11-02 | 2019-05-14 | 河南森源重工有限公司 | A kind of safety stay bar device and the dumper using the device |
-
2013
- 2013-01-24 CN CN 201320039205 patent/CN203157799U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963686A (en) * | 2013-01-24 | 2014-08-06 | 姚天锡 | Back-tipping dumper with safety support |
| CN103963686B (en) * | 2013-01-24 | 2016-11-16 | 姚天锡 | A kind of rear turning type dumper having safe support |
| CN105774625A (en) * | 2016-02-29 | 2016-07-20 | 中山市德基德克汽车技术有限公司 | Carriage stabilizing mechanism for backward-turning type dump truck |
| CN105774625B (en) * | 2016-02-29 | 2018-03-02 | 中山市翔实机械设备有限公司 | A kind of rear turning type dump truck railway carriage stabilizing mechanism |
| CN109747513A (en) * | 2017-11-02 | 2019-05-14 | 河南森源重工有限公司 | A kind of safety stay bar device and the dumper using the device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |