CN218624814U - Automatic hydraulic pressure reinforcing sealing system of tipper tail-gate - Google Patents
Automatic hydraulic pressure reinforcing sealing system of tipper tail-gate Download PDFInfo
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- CN218624814U CN218624814U CN202223338050.XU CN202223338050U CN218624814U CN 218624814 U CN218624814 U CN 218624814U CN 202223338050 U CN202223338050 U CN 202223338050U CN 218624814 U CN218624814 U CN 218624814U
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- 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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Abstract
The utility model relates to an automatic hydraulic pressure reinforcing sealing system of tipper tail-gate. The self-discharging dumper comprises base plates arranged on two sides of the bottom of a dumper tail door, pressing and holding assemblies arranged on two sides of the bottom of the rear part of a carriage, and a control valve assembly connected with the pressing and holding assemblies; the pressing component comprises a hydraulic cylinder fixedly connected with the carriage, a support is arranged on the side part of the front part of the hydraulic cylinder, a pressing block is hinged to the end part of the piston rod, a connecting plate is hinged to the support, and the outer end of the connecting plate is hinged to the pressing block; the control valve assembly comprises a valve body with an electric driver, two groups of control interfaces are arranged on the valve body, the hydraulic cylinders of the two pressing assemblies are respectively connected to one group of control interfaces of the control valve assembly through hydraulic pipelines, an oil inlet interface and an oil return interface are arranged on the valve body and are connected with a vehicle-mounted hydraulic station through hydraulic pipelines, and the electric driver is connected with a vehicle-mounted controller through a control cable. The utility model discloses simple structure, the reinforcing is sealed effectual.
Description
Technical Field
The utility model belongs to the technical field of the engineering vehicle control system, especially, relate to an automatic hydraulic pressure reinforcing sealing system of tipper tail-gate.
Background
The dumper is a kind of engineering vehicle, and the dumper is a vehicle for automatically unloading cargos by hydraulic or mechanical lifting. Also known as dump trucks. The hydraulic lifting device consists of a chassis of an automobile, a hydraulic lifting mechanism, a carriage, a power takeoff device and the like. The carriage of the dump truck is divided into backward tipping and lateral tipping, the piston rod is controlled to move through the control system, backward tipping is common, and the piston rod is pushed to tip the carriage. The unloading tail door of the dump truck is hinged with the carriage, and a lockset is usually arranged between the tail door and the carriage and used for locking the tail door after loading and unloading, so that the tail door is prevented from being opened randomly. When the tipper carries out the discharge operation, removes the locking effect of tool to lock to the tail-gate earlier, and later hydraulic lifting mechanism tumbles the carriage backward, and under the dual function of the pressure of inside goods and self gravity, the tail-gate is opened the goods and is unloaded. In the transportation process after unloading and loading, the tail gate is locked again by the lock.
Along with tipper live time's increase, certain deformation can take place for carriage and tail-gate, finally lead to the tail-gate can not and the carriage between closely laminate, the gap that forms between tail-gate and the carriage can lead to leaking the material problem. On the other hand, the operating condition of the dump truck and the driving road condition are generally severe, the problem of bumping during driving is large, and relative displacement can further occur between the tail gate which can not be tightly attached and the carriage, so that the problem of more serious material leakage is caused. The problem of material leakage not only causes the loss of goods, but also omits the goods (such as gravel, cement and the like) on the road surface and can cause road surface pollution, and increases the difficulty of municipal cleaning. Therefore, the improvement of the sealing tightness of the tail gate of the dump truck is a general demand in the industry, an enhanced sealing system needs to be developed and designed, and the enhanced sealing system with a reasonable structure does not exist in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem who exists among the well-known technology and provide a simple structure, the sealed effectual automatic hydraulic pressure reinforcing sealing system of tipper tail-gate of reinforcing.
The utility model discloses a technical scheme who takes for solving the technical problem that exists among the well-known technique is: an automatic hydraulic pressure enhanced sealing system for a tail door of a dump truck comprises base plates arranged on two sides of the bottom of the tail door of the dump truck, pressing and holding assemblies arranged on two sides of the bottom of the rear part of a carriage, and a control valve assembly connected with the pressing and holding assemblies, wherein the pressing and holding assemblies are matched with the base plates; the pressing component comprises a hydraulic cylinder fixedly connected with the carriage, a support is arranged on the side part of the front part of the hydraulic cylinder, a pressing block is hinged to the end part of a piston rod of the hydraulic cylinder, a connecting plate is hinged to the support, and the outer end of the connecting plate is hinged to the middle part of the pressing block; the control valve assembly comprises a valve body with an electric driver, two groups of control interfaces are arranged on the valve body, two hydraulic cylinders pressing the assembly are respectively connected to one group of control interfaces of the control valve assembly through hydraulic pipelines, an oil inlet interface and an oil return interface are arranged on the valve body and are connected with a vehicle-mounted hydraulic station through hydraulic pipelines, and the electric driver is connected with a vehicle-mounted controller through a control cable.
Preferably: and a proximity switch for detecting the opening and closing state of the tail door of the dump truck is further installed at the rear part of the carriage and is connected with the vehicle-mounted controller.
Preferably: an operating handle for controlling the movement of the valve core is also arranged on the valve body.
Preferably: and mounting windows are arranged at the two sides of the bottom of the rear part of the carriage, the pressing and holding assembly is positioned in the mounting windows, and the front part of the hydraulic cylinder is fixedly connected with the plates of the carriage by bolts.
Preferably: the rear part of the pressing block is provided with a groove, and the end part of a piston rod of the hydraulic cylinder is positioned in the groove and is hinged by a bolt; the connecting plates are arranged in the front and the back, the inner ends of the two connecting plates are respectively positioned on two sides of the support and are connected in a hinged mode through bolts, and the outer ends of the two connecting plates are respectively positioned on two sides of the middle of the pressing block and are connected in a hinged mode through bolts.
Preferably: the triangular part is cut and removed at two corner positions of the bottom of the self-discharging car tail door, the reinforcing beam is installed in a welding mode, and the base plate is installed on the outer side of the reinforcing beam in a welding mode.
The utility model has the advantages that:
the utility model provides an automatic hydraulic pressure reinforcing sealing system of tipper tail-gate that structural design is reasonable, reinforcing sealing system is by the base plate, it constitutes to press holds subassembly and control valve subassembly, press after the tipper tail-gate is closed and hold the subassembly action and press and hold on the base plate, the realization is to the sealed effect of automatic reinforcing of tipper tail-gate, this reinforcing sealing effect is as the supplementary of the sealed effect of locking that the original tool to lock of vehicle tail-gate produced, through exerting the edge to the tail-gate and pressing holding power and promote the combination compactness between tipper tail-gate and the carriage, sealed effect has effectively been promoted.
The pressing and holding assembly is composed of a hydraulic cylinder, a support, a connecting plate, a pressing block and the like, the pressing and holding of the base plate are realized and fixed under the deflection driving action of the hydraulic cylinder on the pressing block, the pressing and holding assembly is compact in structure and simple in action, the sealing effect is enhanced, and meanwhile, the adverse effect on the normal operation of the dump truck is avoided. The enhanced sealing system fully utilizes the vehicle-mounted hydraulic station and the vehicle-mounted controller configured on the self-dumping truck, and automatically operates after the tail door of the self-dumping truck is closed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the pressure maintaining assembly and the control valve assembly of the present invention.
In the figure:
1. a base plate; 2. installing a window; 3. a pressing component; 3-1, a hydraulic cylinder; 3-2, a support; 3-3, connecting plates; 3-4, briquetting; 4. a hydraulic line; 5. a control valve assembly; 5-1, a valve body; 5-2, an electric driver; 5-3, operating handle; 6. a control cable; 7. a vehicle-mounted controller; 8. a dump truck tailgate; 8-1, reinforcing beams; 9. a carriage; 10. vehicle-mounted hydraulic station.
Detailed Description
For further understanding of the contents, characteristics and effects of the present invention, the following embodiments will be described in detail.
Referring to fig. 1, the automatic hydraulic pressure enhanced sealing system for the tail gate of the dump truck of the present invention includes a base plate 1 installed on both sides of the bottom of the tail gate 8 of the dump truck and a pressing component 3 installed on both sides of the bottom of the rear portion of the carriage 9, wherein the pressing component 3 is matched with the base plate 1, and further includes a control valve component 5 connected with the pressing component 3. The pressure holding component 3 is a hydraulic action component, the control valve component 5 is a control valve for controlling the flow direction of hydraulic oil, and the system fully utilizes a vehicle-mounted hydraulic station 7 and a vehicle-mounted controller 7 which are configured on the self-dumping vehicle.
The working principle of the reinforced sealing system is as follows: the vehicle-mounted controller 7 receives a closing signal of the tail door 8 of the dump truck, then sends an action instruction to the control valve component 5, and the control valve component 5 controls the pressing component 3 to press and hold the base plate 1, so that the positions of the corners of the left side and the right side of the bottom of the tail door 8 of the dump truck are increased to enhance the sealing effect, and the sealing property between the tail door 8 of the dump truck and the carriage 9 is improved. As shown in fig. 1, the original configuration of the locking device of the dump truck is usually arranged at the middle position of the rear part of the carriage 9, and the generated locking action is usually acted on the middle part of the bottom edge of the dump truck tail gate 8. Therefore, the utility model provides an enhancement sealing action that enhancement sealing system provided is as the supplementary of the locking sealing action that the original tool to lock of vehicle produced.
The closing signal of the tail gate 8 of the dump truck received by the onboard controller 7 may be an action signal of a hydraulic lifting mechanism of the dump truck, specifically: after the dump truck finishes the backward tipping type unloading of the goods in the carriage 9, a piston rod of a lifting hydraulic cylinder of the hydraulic lifting mechanism needs to retract, the front part of the carriage 9 slowly descends until the front part completely descends to a chassis of the dump truck, a stroke sensor of the hydraulic lifting mechanism generates a position signal and sends the position signal to the vehicle-mounted controller 7, the vehicle-mounted controller 7 can judge that the carriage 9 is fully reset after receiving the signal, and the vehicle-mounted hydraulic station 10 of the box sends an instruction to enable the lifting hydraulic cylinder to stop acting. The present enhanced sealing system also uses the aforementioned signal as an actuation signal, i.e., the on-board controller 7 receives a position signal that the car 9 is sufficiently reset, and then sends a command to the control valve assembly 5 to cause the enhanced sealing action, so that the present enhanced sealing system is self-operating. When the enhanced sealing action needs to be released, the vehicle-mounted controller 7 sends a command to the control valve assembly 5, and the control valve assembly 5 controls the pressing and holding assembly 3 to act, so that the base plate 1 is released.
Referring to fig. 2, it can be seen that:
the pressing component 3 comprises a hydraulic cylinder 3-1 fixedly connected with the carriage 9, a support 3-2 is installed on the front side of the hydraulic cylinder 3-1, a pressing block 3-4 is hinged to the end of a piston rod of the hydraulic cylinder 3-1, a connecting plate 3-3 is hinged to the support 3-2, and the outer end of the connecting plate 3-3 is hinged to the middle of the pressing block 3-4. The operation mode is as follows: when a piston rod of the hydraulic cylinder 3-1 extends out, the outer end of the pressing block 3-4 moves downwards and is pressed on the base plate 1 due to the lever principle; when the piston rod of the hydraulic cylinder 3-1 is retracted, the outer end of the press piece 3-4 moves upward and releases the base plate 1 due to the lever principle.
In the embodiment, the rear part of the pressing block 3-4 is provided with a groove, and the end part of the piston rod of the hydraulic cylinder 3-1 is positioned in the groove and is hinged by adopting a bolt; the connecting plates 3-3 are provided with a front connecting plate and a rear connecting plate, the inner ends of the two connecting plates 3-3 are respectively positioned at two sides of the support 3-2 and are hinged by bolts, and the outer ends of the two connecting plates 3-3 are respectively positioned at two sides of the middle part of the pressing block 3-4 and are hinged by bolts.
In this embodiment, the mounting windows 2 are respectively arranged at two sides of the bottom of the rear portion of the carriage 9, the pressing component 3 is located in the mounting windows, and the front portion of the hydraulic cylinder 3-1 is fixedly connected with the plate of the carriage 9 through bolts. In the embodiment, the triangular part is cut and removed at two corner positions of the bottom of the tail door 8 of the dump truck, the reinforcing beam 8-1 is installed in a welding mode, and the base plate 1 is installed on the outer side of the reinforcing beam 8-1 in a welding mode. The advantages of the foregoing structure are: the pressing component 3 is installed in a hidden mode, the main body part of the pressing component 3 is located in the carriage 9, and only the pressing block 3-4 exposed from the installation window 2 can be seen from the outside, so that the problem that the interference is generated on the running of a vehicle due to the fact that the pressing component 3 is exposed can be solved; through welding installation stiffening beam 8-1, promote the bearing capacity of the bottom corner position of dump truck tail-gate 8, press and hold subassembly 3 like this and can exert bigger pressure and hold power through base plate 1 to dump truck tail-gate 8, promote the sealed effect of reinforcing.
Referring to fig. 2, it can be seen that:
the control valve assembly 5 comprises a valve body 5-1 with an electric driver 5-2, two groups of control interfaces are arranged on the valve body 5-1, the hydraulic cylinders 3-1 of the two pressing assemblies 3 are respectively connected to one group of control interfaces of the control valve assembly 5 through hydraulic pipelines 4, an oil inlet interface and an oil return interface are arranged on the valve body 5-1 and are connected with an on-board hydraulic station 10 through the hydraulic pipelines 4, and the electric driver 5-2 is connected with an on-board controller 7 through a control cable 6.
When the vehicle-mounted controller 7 receives a closing state signal of the tail door 8 of the dump truck, the vehicle-mounted controller 7 sends a command to the electric drivers 5-2 of the two control valve assemblies 5 to enable the electric drivers 5-2 of the two control valve assemblies 5 to synchronously act, the electric drivers 5-2 drive the valve cores to move in the valve body 5-1 to conduct the hydraulic oil way in the forward direction, the piston rod of the hydraulic cylinder 3-1 extends out, and the pressing assembly 3 generates a pressing effect. When an operator inputs a command for removing the enhanced sealing effect through a control button on the vehicle-mounted controller 7, the vehicle-mounted controller 7 sends the command to the electric drivers 5-2 of the two control valve assemblies 5 to enable the electric drivers 5-2 of the two control valve assemblies 5 to act synchronously, the electric drivers 5-2 drive the valve cores to move in the valve body 5-1, the hydraulic oil path is conducted reversely, and the piston rod of the hydraulic cylinder 3-1 retracts.
In the embodiment, an operating handle 5-3 for controlling the movement of the valve core is also arranged on the valve body 5-1. The operation handle 5-3 is arranged to have the following functions: when the vehicle cannot actively control the pressing component 3 to release the pressing action due to power failure, signal failure and other problems of the vehicle, an operator applies manual control to the control valve component 5 through the operating handle 5-3, the operating handle 5-3 drives the valve core to move, and the switching of a hydraulic oil path is realized, so that the control valve component 5 is provided with a dual working mode of electric control action and manual control action, and the operation reliability of the enhanced sealing system can be improved.
In some special cases, ineffective sealing action may occur, for example, when the carriage 9 is fully restored, but the tail door 8 of the dump truck is not fully closed due to mud or the like attached to the rear portion of the carriage 9, the pressure holding member 3 may not be smoothly pressed against the base plate 1 when acting, resulting in failure of sealing enhancement. In this embodiment, a proximity switch for detecting the open/close state of the dump truck tailgate 8 is further attached to the rear portion of the vehicle compartment 9, and the proximity switch is connected to the vehicle-mounted controller 7. The proximity switch can produce the signal when tipper tail-gate 8 closes to a certain extent, and at this moment on-vehicle controller 7 just judges tipper tail-gate 8 has been in the closed condition and needs the reinforcing sealed, if aforesaid proximity switch does not produce the signal, then on-vehicle controller 7 judges tipper tail-gate 8 and does not close, then does not send the instruction to control valve subassembly 5, needs the operator to go to the vehicle rear portion at this moment and inspects the state of tipper tail-gate 8, gets rid of interferent such as earth and makes tipper tail-gate 8 normally close.
The operation mode is as follows:
when the dump truck arrives at a destination, an operator sends an instruction to the control valve assembly 5 and the vehicle lock assembly through the vehicle-mounted controller 7, the control valve assembly 5 controls the pressing assembly 3 to release the pressing effect, the vehicle lock also releases the locking effect on the tail door 8 of the dump truck, then the operator sends an instruction to the vehicle-mounted hydraulic station 10 through the vehicle-mounted controller 7, a hydraulic lifting mechanism of the dump truck acts, a piston rod of a lifting hydraulic cylinder extends out, a carriage 9 performs backward tipping action, and the tail door 8 of the dump truck is opened under the action of self gravity and internal cargo pressure to unload;
after unloading is finished, the hydraulic lifting mechanism of the dump truck acts, the carriage 9 resets, the vehicle-mounted controller 7 judges that the tail gate is fully closed after receiving a carriage 9 reset signal and a tail gate closing signal detected by the proximity switch, and sends an instruction to the vehicle lock assembly and the control valve assembly 5, the vehicle lock normally generates locking action on the middle part of the bottom edge of the tail gate 8 of the dump truck, and the two pressing assemblies 3 generate sealing strengthening action; the goods can be placed into the carriage 9, and due to the dual functions of the normal locking sealing effect and the enhanced sealing effect, the combination tightness and the sealing performance between the tail door 8 and the carriage 9 of the dump truck are improved, so that the problem of material leakage cannot be caused in the process of goods transportation.
Claims (6)
1. The utility model provides an automatic hydraulic pressure reinforcing sealing system of tipper tail-gate which characterized by: the self-discharging vehicle tail door structure comprises base plates (1) arranged on two sides of the bottom of a self-discharging vehicle tail door (8), pressing and holding assemblies (3) arranged on two sides of the bottom of the rear portion of a carriage (9), control valve assemblies (5) connected with the pressing and holding assemblies (3), wherein the pressing and holding assemblies (3) are matched with the base plates (1); the pressing component (3) comprises a hydraulic cylinder (3-1) fixedly connected with the carriage (9), a support (3-2) is installed on the side portion of the front portion of the hydraulic cylinder (3-1), a pressing block (3-4) is hinged to the end portion of a piston rod of the hydraulic cylinder (3-1), a connecting plate (3-3) is hinged to the support (3-2), and the outer end of the connecting plate (3-3) is hinged to the middle portion of the pressing block (3-4); the control valve assembly (5) comprises a valve body (5-1) with an electric driver (5-2), two groups of control interfaces are arranged on the valve body (5-1), hydraulic cylinders (3-1) of the two pressing assemblies (3) are respectively connected to one group of control interfaces of the control valve assembly (5) through hydraulic pipelines (4), an oil inlet interface and an oil return interface are arranged on the valve body (5-1) and are connected with a vehicle-mounted hydraulic station (10) through the hydraulic pipelines (4), and the electric driver (5-2) is connected with a vehicle-mounted controller (7) through a control cable.
2. The automatic hydraulic pressure enhancement sealing system of tipper tail-gate of claim 1, characterized by: and a proximity switch for detecting the opening and closing state of the tail door (8) of the dump truck is also arranged at the rear part of the carriage (9), and the proximity switch is connected with the vehicle-mounted controller (7).
3. The automatic hydraulic pressure enhancement sealing system of tipper tail-gate of claim 2, characterized by: an operating handle (5-3) for controlling the movement of the valve core is also arranged on the valve body (5-1).
4. The automatic hydraulic pressure enhancement sealing system of tipper tail-gate of claim 3, characterized by: both sides of the bottom of the rear part of the carriage (9) are provided with mounting windows (2), the pressing and holding assembly (3) is positioned in the mounting windows (2), and the front part of the hydraulic cylinder (3-1) is fixedly connected with the plates of the carriage (9) by bolts.
5. The automatic hydraulic pressure enhancement sealing system of tipper tail-gate of claim 4, characterized by: the rear part of the pressing block (3-4) is provided with a groove, and the end part of a piston rod of the hydraulic cylinder (3-1) is positioned in the groove and is hinged by adopting a bolt; the connecting plates (3-3) are provided with a front connecting plate and a rear connecting plate, the inner ends of the two connecting plates (3-3) are respectively positioned at the two sides of the support (3-2) and are hinged by bolts, and the outer ends of the two connecting plates (3-3) are respectively positioned at the two sides of the middle part of the pressing block (3-4) and are hinged by bolts.
6. The automatic hydraulic pressure enhancement sealing system of tipper tail-gate of claim 5, characterized by: triangular parts are cut and removed at two corners of the bottom of the tail door (8) of the dump truck, the reinforcing beam (8-1) is installed in a welding mode, and the base plate (1) is installed on the outer side of the reinforcing beam (8-1) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223338050.XU CN218624814U (en) | 2022-12-12 | 2022-12-12 | Automatic hydraulic pressure reinforcing sealing system of tipper tail-gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223338050.XU CN218624814U (en) | 2022-12-12 | 2022-12-12 | Automatic hydraulic pressure reinforcing sealing system of tipper tail-gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218624814U true CN218624814U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223338050.XU Active CN218624814U (en) | 2022-12-12 | 2022-12-12 | Automatic hydraulic pressure reinforcing sealing system of tipper tail-gate |
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| Country | Link |
|---|---|
| CN (1) | CN218624814U (en) |
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2022
- 2022-12-12 CN CN202223338050.XU patent/CN218624814U/en active Active
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