CN117385700A - Automatic telescopic stop mechanism for paver - Google Patents
Automatic telescopic stop mechanism for paver Download PDFInfo
- Publication number
- CN117385700A CN117385700A CN202311408614.9A CN202311408614A CN117385700A CN 117385700 A CN117385700 A CN 117385700A CN 202311408614 A CN202311408614 A CN 202311408614A CN 117385700 A CN117385700 A CN 117385700A
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- oil
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- paver
- valve
- electromagnetic valve
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 61
- 230000000903 blocking effect Effects 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 14
- 230000002411 adverse Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 95
- 239000010720 hydraulic oil Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003887 surface segregation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4866—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses an automatic telescopic material blocking mechanism for a paver, which belongs to the technical field of road construction machinery and aims to solve the problems that in the prior art, manual splicing requires the shutdown operation of the paver, the construction site is very inconvenient, the labor intensity of workers is high and dangerous, the paving efficiency is low, and a plurality of adverse consequences such as the increase of labor, material and financial costs are caused. The paver comprises a paver body and a material distributing plate movable frame, wherein fixed material baffle plates are symmetrically arranged on two sides of the bottom of the material distributing plate movable frame, movable material baffle plates and telescopic oil cylinders are arranged on the outer wall of the fixed material baffle plates, a screed telescopic oil cylinder is arranged in the paver body, and the screed telescopic oil cylinder is electrically connected with the corresponding telescopic oil cylinder; the movable material baffle plate is suitable for the paver, can ensure that the movable material baffle plate of the paver can automatically change along with the change of the paving width, ensures personnel safety, saves labor cost, ensures pavement construction quality, and improves pavement service life and construction operation efficiency.
Description
Technical Field
The invention relates to an automatic telescopic stop mechanism for a paver, and belongs to the technical field of road construction machinery.
Background
When constructing roads, driveways, parking platforms, and driving lanes, pavers may deposit paving material, such as asphalt, on the paving surface, thereby forming a flat, uniform vehicle passing surface. Paving machines at construction sites are typically the most advanced automatic work machines that are dedicated to receiving, transporting, distributing, shaping and partially compacting paving material. The paver receives paving material heated to a suitable temperature, and enables the paving material to flow and collect to a receiving hopper in front of the paver. The paving material in the hopper is transferred to the tail of the paving machine using parallel slat conveyor or other type of conveyor disposed at the bottom of the hopper. The paving material conveyed from the hopper is distributed along a predetermined conveying direction in a trough formed by a dam plate and a screed front plate by two opposite screw or spreading conveying mechanisms, and the floating screed forms and compacts the paving material on a predetermined road surface.
In recent years, along with the development of economy, the requirements on paving quality of various roads are higher and higher, and meanwhile, the requirements on construction environment and safety of construction process of paver users are also stricter and stricter. The material baffle is an important component of the normal operation of the paver, can restrict the mixture of the material conveying groove, control the paving width, ensure that the material is smooth by the proper material conveying groove width, and also can reduce the road surface segregation at the supporting position of the spiral distributor as much as possible. The structure and the size of the striker plate are fixed generally, but the width requirement on the striker plate is variable in practical application due to the diversity, the variability and the complexity of the paving working conditions and the operation requirements.
In the prior art, the striker plate is a rigid connecting piece and is spliced into different widths according to different requirements, but the width of the striker plate is complex and variable along with the paver due to complex working conditions and variable paving width requirements, and is often difficult to splice into an ideal width. The manual splicing requires the shutdown operation of the paver, the construction site is very inconvenient, the labor intensity of workers is high and dangerous, the paving efficiency is low, and the practicability of the device is affected due to various adverse consequences such as the increase of the cost of manpower, material resources and financial resources.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an automatic telescopic material blocking mechanism for a paver, which solves the problems that in the prior art, a material blocking plate is a rigid connecting piece and is spliced into different widths manually according to different requirements, but the width of the material blocking plate is complicated and changeable due to the complex working condition of the paver and the changeable paving width requirement, the material blocking plate is often difficult to splice to an ideal width, the paver is required to be stopped for manual splicing, the construction site is very inconvenient, the labor intensity of workers is high and the risk is high, the paving efficiency is low, and a plurality of adverse effects such as increase of labor, material resources and financial costs are caused.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
the invention provides an automatic telescopic material blocking mechanism for a paver, which comprises a paver main body and a material dividing plate movable frame, wherein the material dividing plate movable frame is detachably connected with the paver main body, fixed material blocking plates are symmetrically arranged on two sides of the bottom of the material dividing plate movable frame, movable material blocking plates which are in sliding connection and telescopic cylinders used for driving the movable material blocking plates to move are arranged on the outer walls of the fixed material blocking plates, a screed plate telescopic cylinder used for driving a screed plate to move is arranged on one side of the telescopic cylinder in the paver main body, and the screed plate telescopic cylinder is electrically connected with the corresponding telescopic cylinder and is used for automatically changing along with the change of the screed plate telescopic cylinder;
the two telescopic cylinders are internally provided with the same hydraulic driving system, and the hydraulic driving system is used for realizing synchronous action, asynchronous action and unilateral action of the two telescopic cylinders.
Further, a clearance slideway is arranged between the movable frame of the material dividing plate and the fixed material blocking plate, and the telescopic oil cylinder is used for pushing the fixed material blocking plate to slide in the clearance slideway.
Further, the extension sensors are arranged in the telescopic oil cylinder and the screed telescopic oil cylinder.
Further, a plurality of connecting holes are formed in one side, far away from the fixed striker plate, of the outer wall of the movable striker plate.
Further, the hydraulic driving system comprises a throttle valve, a flow dividing valve, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve;
an oil inlet of the throttle valve is connected with a main pump, a first oil outlet of the throttle valve is connected with an oil inlet of the flow dividing valve, and a second oil outlet of the throttle valve is connected with an oil inlet of the first electromagnetic valve;
the first oil outlet of the first electromagnetic valve is connected with the oil tank, and the second oil outlet of the first electromagnetic valve is connected with the oil inlet of the throttle valve;
the first oil outlet of the throttle valve is connected with the oil inlet of the second electromagnetic valve, and the second oil outlet of the throttle valve is connected with the oil inlet of the third electromagnetic valve;
the first oil outlet of the second electromagnetic valve is connected with the rodless cavity of one of the telescopic cylinders, and the second oil outlet of the second electromagnetic valve is connected with the rod cavity of the telescopic cylinder;
the first oil outlet of the third electromagnetic valve is connected with the rodless cavity of the other telescopic oil cylinder, and the second oil outlet of the third electromagnetic valve is connected with the rod cavity of the telescopic oil cylinder;
and the oil return port of the second electromagnetic valve and the oil return port of the third electromagnetic valve are connected with the oil tank.
Further, the hydraulic oil pump further comprises an overflow valve, an oil inlet of the overflow valve is connected with an oil inlet of the throttle valve, and an oil outlet of the overflow valve is connected with the oil tank.
Further, the throttle valve further comprises a detection pipeline, and the detection pipeline is connected with an oil inlet of the throttle valve.
Further, a same first one-way valve is connected between the first oil outlet and the second oil outlet of the second electromagnetic valve, and a same second one-way valve is connected between the first oil outlet and the second oil outlet of the third electromagnetic valve.
Further, a first safety valve is connected between the first oil outlet and the oil return port of the second electromagnetic valve, a second safety valve is connected between the second oil outlet and the oil return port of the second electromagnetic valve, a third safety valve is connected between the first oil outlet and the oil return port of the third electromagnetic valve, and a fourth safety valve is connected between the second oil outlet and the oil return port of the third electromagnetic valve.
Further, the screed plate telescopic cylinder is electrically connected with the corresponding telescopic cylinder, and is configured to automatically change along with the change of the screed plate telescopic cylinder, and specifically includes the following formula:
Y＝kX+C
wherein: y is the elongation of the telescopic oil cylinder; x is the elongation of the screed telescopic cylinder; k is an elongation coefficient, and the value range is 0.8,1; c is the initial length of the movable striker plate.
Compared with the prior art, the invention has the beneficial effects that:
this paver is with automatic flexible stock stop, through flexible striker plate, flexible hydro-cylinder and screed flexible hydro-cylinder cooperation, the structure is simple and convenient, function economical and practical, can guarantee that paver activity striker plate can be along with the change of paving the width automatic variation when paving in the wide road, and be applicable to all the working conditions of paving, personnel safety has been guaranteed through the device, the cost of labor has been practiced thrift, road construction quality has been guaranteed simultaneously, road surface life and construction work efficiency have been improved, the income has been indirectly increased for the customer, the simultaneous movement of two flexible hydro-cylinders is realized to accessible hydraulic drive system simultaneously, asynchronous movement and unilateral action, the practicality of device has been guaranteed.
Drawings
Fig. 1 is a schematic perspective view of a movable rack of a distributing plate according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of an automatic telescopic dam mechanism for a paver according to an embodiment of the present invention;
fig. 3 is a system schematic diagram of a hydraulic drive system provided according to an embodiment of the present invention.
In the figure: 1. a material separating plate movable frame; 2. fixing a baffle plate; 3. a movable baffle plate; 4. a telescopic oil cylinder; 5. and (5) a screed telescopic cylinder.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1-2, the invention provides an automatic telescopic material blocking mechanism for a paver, which comprises a paver main body and a material dividing plate movable frame 1, wherein the material dividing plate movable frame 1 is detachably connected with the paver main body, fixed material blocking plates 2 are symmetrically arranged on two sides of the bottom of the material dividing plate movable frame 1, movable material blocking plates 3 which are in sliding connection and telescopic oil cylinders 4 for driving the movable material blocking plates 3 to move are arranged on the outer walls of the fixed material blocking plates 2, a screed plate telescopic oil cylinder 5 for driving a screed plate to move is arranged on one side of the telescopic oil cylinder 4 in the paver main body, and the screed plate telescopic oil cylinder 5 is electrically connected with the corresponding telescopic oil cylinder 4 and is used for automatically changing along with the change of the screed plate telescopic oil cylinder 5; the two telescopic cylinders 4 are internally provided with the same hydraulic driving system for realizing synchronous action, asynchronous action and unilateral action of the two telescopic cylinders 4.
Specifically, the telescopic cylinder 4 is controlled by the paver ECU to be linked with the screed telescopic cylinder 5, when the paving operation starts, the paving material is conveyed into a trough at one side of the screed, the screed stretches to the operation length under the action of the screed telescopic cylinder 5, the screed telescopic cylinder 5 is electrically connected with the corresponding telescopic cylinder 4, namely the movable baffle plate 3 stretches according to the stretching amount of the screed telescopic cylinder 5, when the paving is performed on a wide-width pavement, the movable baffle plate 3 automatically changes along with the change of the screed telescopic cylinder 5, the paving width requirement is met in real time without stopping and manual operation, and the synchronous action, the asynchronous action and the unilateral action of the two telescopic cylinders 4 can be realized through a hydraulic driving system, so that the practicability of the device is ensured; optionally, movable striker plate 3 can splice the combination to multiple length to adapt to more working conditions, and have the couple in the board, play simple and easy hoist and mount effect, conveniently install extension spiral feed divider, when the spiral feed divider is assembled to needs, the couple on the movable striker plate 3 can be utilized, carries out the simple and easy hoist and mount of spiral feed divider, and the extension spiral feed divider of easy to install has saved manpower and material resources greatly.
This application is through activity striker plate 3, flexible hydro-cylinder 4 and the flexible hydro-cylinder 5 cooperation of screed, and the structure is simple and convenient, and function economical and practical can guarantee that paver activity striker plate 3 can be along with the change of paving the width and automatic variation when paving in the width road, and is applicable to all the working conditions of paving, guaranteed personnel safety through the device, practiced thrift the cost of labor, guaranteed road surface construction quality simultaneously, improved road surface life and construction work efficiency, indirectly increased the income for the customer, accessible hydraulic drive system realizes synchronous action, asynchronous action and unilateral action of two flexible hydro-cylinders 4 simultaneously, has guaranteed the practicality of device.
In one embodiment, the movable striker plate 3 extends according to the extension of the screed telescopic cylinder 5, and the movable striker plate 3 automatically changes along with the change of the screed telescopic cylinder 5, and the corresponding formula is as follows:
Y＝kX+C
wherein:
y: the extension amount of the telescopic oil cylinder 4 is in mm;
x: the extension of the screed telescopic cylinder 5 is in mm;
k: elongation coefficient, its value range is (0.8,1);
c: the initial length of the movable striker plate 3 is in mm.
An embodiment, divide flitch adjustable shelf 1 with be equipped with the clearance slide between the fixed striker plate 2, telescopic cylinder 4 is used for promoting fixed striker plate 2 slide in the clearance slide, the clearance slide can play the guide effect to fixed striker plate 2, has guaranteed the stability of device during operation.
In one embodiment, the extension sensors are arranged in the telescopic cylinder 4 and the screed telescopic cylinder 5, and can transmit signals to the ECU.
An embodiment, a plurality of connecting holes have been seted up to activity striker plate 3 outer wall keep away from fixed striker plate 2 one side, and accessible connecting hole is pieced together a plurality of activity striker plates 3 to be applicable to different operating modes, guaranteed the practicality of device.
As shown in fig. 3, in one embodiment, the hydraulic driving system includes a throttle valve C1, a flow dividing valve C2, a first solenoid valve M1, a second solenoid valve M2, and a third solenoid valve M3;
an oil inlet of the throttle valve C1 is connected with a main pump, a first oil outlet of the throttle valve C1 is connected with an oil inlet of the flow dividing valve C2, and a second oil outlet of the throttle valve C2 is connected with an oil inlet of the first electromagnetic valve M1;
the first oil outlet of the first electromagnetic valve M1 is connected with an oil tank, and the second oil outlet of the first electromagnetic valve M1 is connected with the oil inlet of the throttle valve C2;
the first oil outlet of the throttle valve C2 is connected with the oil inlet of the second electromagnetic valve M2, and the second oil outlet of the throttle valve C2 is connected with the oil inlet of the third electromagnetic valve M3;
the first oil outlet of the second electromagnetic valve M2 is connected with the rodless cavity of one of the telescopic cylinders 4, and the second oil outlet of the second electromagnetic valve M2 is connected with the rod cavity of the telescopic cylinder 4;
the first oil outlet of the third electromagnetic valve M3 is connected with the rodless cavity of the other telescopic oil cylinder 4, and the second oil outlet of the third electromagnetic valve M3 is connected with the rod cavity of the telescopic oil cylinder 4;
the oil return port of the second electromagnetic valve M2 and the oil return port of the third electromagnetic valve M3 are connected with the oil tank.
When the hydraulic oil hydraulic control device is used, hydraulic oil flows into the throttle valve C1 from the P port, the first electromagnetic valve M1 is used for controlling the opening of a function, when the function is closed, the first electromagnetic valve M1 is in a lower position, hydraulic oil flows out of the P1 port to an oil tank, when the function is opened, the first electromagnetic valve M1 is in an upper position, hydraulic oil enters the flow dividing valve C2 through the throttle valve C1, the flow dividing valve C2 divides the hydraulic oil into two paths, the two paths of hydraulic oil respectively flow into the second electromagnetic valve M2 and the third electromagnetic valve M3, when the second electromagnetic valve M2 is in a middle position, the function of the second electromagnetic valve M2 is closed, when the second electromagnetic valve M2 is in an upper position, the telescopic oil cylinder 4 is pushed to extend, when the second electromagnetic valve M2 is in a lower position, the function of the third electromagnetic valve M3 is the same as that of the second electromagnetic valve M2, the other telescopic oil cylinder 4 is pushed to extend and retract, and the T port is a hydraulic oil return port.
An embodiment further comprises an overflow valve a1, an oil inlet of the overflow valve a1 is connected with an oil inlet of the throttle valve C1, an oil outlet of the overflow valve a1 is connected with the oil tank, the overflow valve a1 plays a role of a safety valve, the pipeline pressure is ensured to be within a safety range, and when the pipeline pressure exceeds the safety pressure, hydraulic oil is discharged into the oil tank from a port T1, so that the safety of the device is ensured.
An embodiment further comprises a detection pipeline Y1, wherein the detection pipeline Y1 is connected with an oil inlet of the throttle valve C1, and can measure the pressure of the oil inlet P, so that the problem of the hydraulic pipeline can be diagnosed conveniently.
In one embodiment, the same first one-way valve b1 is connected between the first oil outlet and the second oil outlet of the second electromagnetic valve M2, the same second one-way valve b2 is connected between the first oil outlet and the second oil outlet of the third electromagnetic valve M3, and the first one-way valve b1 and the second one-way valve b2 are used for ensuring the flow of hydraulic oil and avoiding the backflow of the hydraulic oil.
In one embodiment, the same first safety valve a2 is connected between the first oil outlet and the oil return port of the second electromagnetic valve M2, the same second safety valve a3 is connected between the second oil outlet and the oil return port of the second electromagnetic valve M2, the same third safety valve a4 is connected between the first oil outlet and the oil return port of the third electromagnetic valve M3, the same fourth safety valve a5 is connected between the second oil outlet and the oil return port of the third electromagnetic valve M3, and the first safety valve a2, the second safety valve a3, the third safety valve a4 and the fourth safety valve a5 are used for ensuring that the pressure in the hydraulic pipeline is within a safety range.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (10)
1. The automatic telescopic material blocking mechanism for the paver is characterized by comprising a paver main body and a material distributing plate movable frame (1), wherein the material distributing plate movable frame (1) is detachably connected with the paver main body, fixed material blocking plates (2) are symmetrically arranged on two sides of the bottom of the material distributing plate movable frame (1), movable material blocking plates (3) which are in sliding connection and telescopic oil cylinders (4) used for driving the movable material blocking plates (3) to move are arranged on the outer wall of the fixed material blocking plates (2), a screed plate telescopic oil cylinder (5) used for driving a screed plate to move is arranged on one side of the telescopic oil cylinder (4) in the paver main body, and the screed plate telescopic oil cylinder (5) is electrically connected with the corresponding telescopic oil cylinder (4) and is used for automatically changing along with the change of the screed plate telescopic oil cylinder (5);
the two telescopic cylinders (4) are internally provided with the same hydraulic driving system, and the hydraulic driving system is used for realizing synchronous action, asynchronous action and unilateral action of the two telescopic cylinders (4).
2. The automatic telescopic material blocking mechanism for the paver according to claim 1, wherein a clearance slideway is arranged between the movable frame (1) of the material dividing plate and the fixed material blocking plate (2), and the telescopic oil cylinder (4) is used for pushing the fixed material blocking plate (2) to slide in the clearance slideway.
3. The automatic telescopic stop mechanism for the paver according to claim 1, wherein the telescopic oil cylinder (4) and the screed telescopic oil cylinder (5) are internally provided with elongation sensors.
4. The automatic telescopic striker mechanism for a paver according to claim 1, wherein a plurality of connecting holes are formed in one side, away from the fixed striker plate (2), of the outer wall of the movable striker plate (3).
5. The automatic telescopic dam mechanism for a paver of claim 1, wherein the hydraulic drive system comprises a throttle valve, a diverter valve, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve;
an oil inlet of the throttle valve is connected with a main pump, a first oil outlet of the throttle valve is connected with an oil inlet of the flow dividing valve, and a second oil outlet of the throttle valve is connected with an oil inlet of the first electromagnetic valve;
the first oil outlet of the first electromagnetic valve is connected with the oil tank, and the second oil outlet of the first electromagnetic valve is connected with the oil inlet of the throttle valve;
the first oil outlet of the throttle valve is connected with the oil inlet of the second electromagnetic valve, and the second oil outlet of the throttle valve is connected with the oil inlet of the third electromagnetic valve;
the first oil outlet of the second electromagnetic valve is connected with the rodless cavity of one of the telescopic cylinders (4), and the second oil outlet of the second electromagnetic valve is connected with the rod cavity of the telescopic cylinder (4);
the first oil outlet of the third electromagnetic valve is connected with the rodless cavity of the other telescopic oil cylinder (4), and the second oil outlet of the third electromagnetic valve is connected with the rod cavity of the telescopic oil cylinder (4);
and the oil return port of the second electromagnetic valve and the oil return port of the third electromagnetic valve are connected with the oil tank.
6. The automatic telescopic dam mechanism for a paver of claim 5, further comprising an overflow valve, wherein an oil inlet of the overflow valve is connected with an oil inlet of the throttle valve, and an oil outlet of the overflow valve is connected with the oil tank.
7. The automatic telescopic dam mechanism for a paver of claim 5, further comprising a detection pipeline, wherein the detection pipeline is connected with an oil inlet of the throttle valve.
8. The automatic telescopic stop mechanism for a paver of claim 5, wherein the same first one-way valve is connected between the first oil outlet and the second oil outlet of the second electromagnetic valve, and the same second one-way valve is connected between the first oil outlet and the second oil outlet of the third electromagnetic valve.
9. The automatic telescopic material blocking mechanism for the paver of claim 5, wherein the same first safety valve is connected between the first oil outlet and the oil return port of the second electromagnetic valve, the same second safety valve is connected between the second oil outlet and the oil return port of the second electromagnetic valve, the same third safety valve is connected between the first oil outlet and the oil return port of the third electromagnetic valve, and the same fourth safety valve is connected between the second oil outlet and the oil return port of the third electromagnetic valve.
10. The automatic telescopic stop mechanism for a paver according to claim 1, wherein the screed telescopic cylinder (5) is electrically connected with the corresponding telescopic cylinder (4), and is configured to automatically change along with the change of the screed telescopic cylinder (5), and specifically comprises the following formula:
Y＝kX+C
wherein: y is the elongation of the telescopic oil cylinder (4); x is the elongation of the screed telescopic cylinder (5); k is an elongation coefficient, and the value range is 0.8,1; c is the initial length of the movable striker plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311408614.9A CN117385700A (en) | 2023-10-27 | 2023-10-27 | Automatic telescopic stop mechanism for paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311408614.9A CN117385700A (en) | 2023-10-27 | 2023-10-27 | Automatic telescopic stop mechanism for paver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117385700A true CN117385700A (en) | 2024-01-12 |
Family
ID=89471671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311408614.9A Pending CN117385700A (en) | 2023-10-27 | 2023-10-27 | Automatic telescopic stop mechanism for paver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117385700A (en) |
-
2023
- 2023-10-27 CN CN202311408614.9A patent/CN117385700A/en active Pending
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