Quick limiting device for screed plate of paver

Abstract

The utility model provides a rapid limiting device for an ironing plate of a paver. The rapid limiting device comprises a lifting oil cylinder, a sensor assembly, a limiting assembly and a control unit, the lifting oil cylinders are arranged on the two sides of the paver and are respectively connected with the screed traction arms on the two sides of the paver; the sensor assembly is arranged on the outer side of a rack of the paver, the limiting assembly is arranged on the inner side of the rack of the paver, and the sensor assembly and the limiting assembly are both located on a stroke path of a screed traction arm; each limiting assembly is provided with a limiting shaft capable of moving telescopically, and the limiting shafts are used for limiting the displacement of the screed traction arm; the control unit is connected with the lifting oil cylinder, the sensor assembly and the limiting assembly. The control unit is used for controlling the lifting oil cylinder and the limiting assembly. According to the embodiment, the limiting shaft is additionally arranged, so that the position of the screed in the lifting process is effectively limited, the lifting oil cylinders on the two sides of the paver are prevented from being in a pressure building state for a long time, and the working stability of the lifting oil cylinders used for lifting the screed on the two sides of the paver is optimized and improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pavers, and in particular to a fast limiting device for a screed plate of a pavers. Background Art

[0002] The screed plate of a paver is an important part of the paver pavement construction. The screed plate needs to be frequently transferred during the paver pavement construction. Under normal circumstances, the paver transfer needs to use the lifting cylinder of the paver to lift the entire basic screed plate for transfer. The cylinder is in a suspended state, and the operator needs to manually limit it on both sides through the handle, which is inconvenient to operate. If the limit is not performed, the hydraulic cylinders on both sides of the paver are in a state of pressure holding for a long time, which is prone to damage to the cylinder seals, etc., directly causing the cylinder to leak and fail, directly causing the lifting cylinder to fail, and affecting the use of the entire paver. To this end, a paver screed plate quick limit device is designed to solve the above problems. Utility Model Content

[0003] The main purpose of the utility model is to provide a fast limiting device for the screed plate of a paver, so as to at least solve the problem in the prior art that the hydraulic cylinder of the screed plate needs to be manually limited when the paver is transferred.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a fast limiting device for the screed plate of a paver, comprising: a lifting cylinder, a sensor assembly, a limiting assembly and a control unit; there are two lifting cylinders, which are respectively arranged on both sides of the paver and respectively connected to the screed plate traction arms on both sides of the paver; the lifting cylinder is used to lift the screed plate traction arms; there are two sensor assemblies, which are respectively arranged on the outside of the frame of the paver and are respectively located on the travel paths of the screed plate traction arms on both sides; there are two limiting assemblies, which are respectively arranged on the inside of the frame of the paver and are respectively located on the travel paths of the screed plate traction arms on both sides; each limiting assembly is provided with a telescopically movable limiting shaft, which is used to limit the displacement of the screed plate traction arm; the control unit is connected to the lifting cylinder, the sensor assembly and the limiting assembly, and the control unit is used to control the lifting cylinder and the limiting assembly.

[0005] Furthermore, the sensor component adopts a switch sensor.

[0006] Furthermore, each limit assembly includes: a mounting support and a drive motor; the mounting support is fixedly arranged on the inner side of the frame of the paver; the drive motor is arranged in the mounting support, the drive motor is connected to both the limit shaft and the control unit, and the drive motor is used to drive the limit shaft to telescopically move; wherein, the control unit is used to control the drive motor.

[0007] Furthermore, the control unit includes: a communication module and a data processing module; the communication module is connected to the lifting cylinder, the sensor assembly and the limit assembly, and the communication module is used for data exchange; the data processing module is connected to the communication module, and the data processing module is used to generate control instructions.

[0008] Furthermore, the control unit also includes: a power module, and the power module is connected to both the communication module and the data processing module to supply power.

[0009] The utility model provides a fast limit device for the screed plate of a paver, comprising: a lifting cylinder, a sensor assembly, a limit assembly and a control unit; there are two lifting cylinders, which are respectively arranged on both sides of the paver and connected to the screed plate traction arms on both sides of the paver; the lifting cylinder is used to lift the screed plate traction arms; there are two sensor assemblies, which are respectively arranged on the outside of the frame of the paver and are respectively located on the travel paths of the screed plate traction arms on both sides; there are two limit assemblies, which are respectively arranged on the inside of the frame of the paver and are respectively located on the travel paths of the screed plate traction arms on both sides; each limit assembly is provided with a telescopic limit shaft, which is used to limit the displacement of the screed plate traction arms; the control unit is connected to the lifting cylinder, the sensor assembly and the limit assembly, and the control unit is used to control the lifting cylinder and the limit assembly. This embodiment effectively limits the position of the screed plate during the lifting and lowering process by adding the limit shaft, avoids the lifting cylinders on both sides of the paver from being in a long-term pressure-blocking state, and optimizes and improves the working stability of the lifting cylinders on both sides of the paver for lifting the screed plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0011] Figure 1 It is a structural schematic diagram of a quick limit device for a paving machine screed according to an embodiment of the utility model;

[0012] Figure 2 It is a partial enlarged view of a quick limit device for a paving machine screed plate which can be selected according to an embodiment of the utility model;

[0013] Figure 3 It is a structural block diagram of a control unit of a paving machine ironing plate quick limiting device which can be selected according to an embodiment of the utility model.

[0014] The above drawings include the following reference numerals:

[0015] 10. Lifting cylinder; 20. Sensor assembly; 30. Limit assembly; 31. Limit shaft; 32. Mounting bracket; 33. Drive motor; 40. Control unit; 41. Communication module; 42. Data processing module; 43. Power module; 50. Screed plate traction arm. DETAILED DESCRIPTION

[0016] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0017] The utility model provides a fast limiting device for the paving machine screed plate, such as Figure 1 and Figure 2 As shown, it includes: a lifting cylinder 10, a sensor assembly 20, a limit assembly 30 and a control unit 40; there are two lifting cylinders 10, which are respectively arranged on both sides of the paver and are respectively connected to the screed traction arms 50 on both sides of the paver; the lifting cylinder 10 is used to lift the screed traction arms 50; there are two sensor assemblies 20, which are respectively arranged on the outside of the frame of the paver and are respectively located on the travel paths of the screed traction arms 50 on both sides; there are two limit assemblies 30, which are respectively arranged on the inside of the frame of the paver and are respectively located on the travel paths of the screed traction arms 50 on both sides; each limit assembly 30 is provided with a telescopic limit shaft 31, which is used to limit the displacement of the screed traction arms 50; the control unit 40 is connected to the lifting cylinder 10, the sensor assembly 20 and the limit assembly 30, and the control unit 40 is used to control the lifting cylinder 10 and the limit assembly 30.

[0018] Furthermore, the sensor assembly 20 uses a switch sensor with a sensing range of 10 mm.

[0019] Furthermore, each limit assembly 30 includes: a mounting support 32 and a drive motor 33; the mounting support 32 is fixedly arranged on the inner side of the frame of the paver; the drive motor 33 is arranged in the mounting support 32, the drive motor 33 is connected to both the limit shaft 31 and the control unit 40, and the drive motor 33 is used to drive the limit shaft 31 to move telescopically; wherein the control unit 40 is used to control the drive motor 33. In a specific implementation, the control unit 40 controls the drive motor 33 to start to drive the limit shaft 31 to extend or retract. In a specific implementation, the mounting support 32 is fixed to the inner side of the frame of the paver by M10 bolts.

[0020] Furthermore, if Figure 3As shown, the control unit 40 includes: a communication module 41 and a data processing module 42; the communication module 41 is connected to the lifting cylinder 10, the sensor assembly 20 and the limit assembly 30, and the communication module 41 is used for data exchange; the data processing module 42 is connected to the communication module 41, and the data processing module 42 is used to generate control instructions.

[0021] During specific implementation, the sensor component 20 sends a signal to the communication module 41, and the data processing module 42 generates corresponding control instructions based on the signal to control the start and stop of the drive motor 33 of the limit component 30; the data processing module 42 will also generate start and stop instructions for the lifting cylinder 10 and transmit them through the communication module 41.

[0022] It should be noted that although the present invention uses the above-mentioned electronic device and the computer program that may be on the electronic device, it should be clearly pointed out that the present invention does not involve the improvement of the computer program, but rather proposes a more practical and efficient technical solution by optimizing the shape, structure or combination of the electronic device.

[0023] Specifically, the computer programs involved in the utility model are mainly used as a tool for equipment control and data processing to realize the automation and intelligence of equipment functions. The utility model does not improve these computer programs, but is used as a means to achieve specific functions. Therefore, the utility model meets the protection object of the utility model.

[0024] Furthermore, the control unit 40 further includes: a power module 43 , and the power module 43 is connected to both the communication module 41 and the data processing module 42 to supply power.

[0025] When this embodiment is used, the sensor assembly 20 and the limit assembly 30 are first installed on the outside and inside of the frame of the paver respectively; when the paver is transferred, the control unit 40 controls the lifting cylinder 10 to drive the screed plate traction arm 50 to move to lift the screed plate of the paver; the sensor assembly 20 senses the screed plate traction arm 50 passing by and sends a signal to the control unit 40, and the control unit 40 controls the drive motor 33 to start to drive the limit shaft 31 to extend; after the limit shaft 31 reaches the specified position, the controller controls the drive motor 33 to stop, and at the same time controls the lifting cylinder 10 to drive the screed plate traction arm 50 to move to lower the screed plate of the paver until the screed plate traction arm 50 falls on the limit shaft 31. When the paver finishes the transfer and continues the construction, the control unit 40 first controls the lifting cylinder 10 to drive the screed traction arm 50 to move to lift the screed of the paver, and at the same time controls the drive motor 33 to start to drive the limit shaft 31 to retract; after the limit shaft 31 is completely reset, the control unit 40 controls the lifting cylinder 10 to drive the screed traction arm 50 to move to lower the screed of the paver to the initial position. This embodiment saves labor and time, facilitates the operator's quick operation, and improves the product performance; and realizes the direct removal of the manual limit operation hole on the original whole machine, making the appearance of the paver more beautiful. This embodiment solves the problem of manually limiting the screed hydraulic cylinder when the paver is transferred in the prior art.

[0026] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fast limiting device for a paving machine screed, characterized in that: include: A lifting cylinder (10), wherein there are two lifting cylinders (10), and the two lifting cylinders (10) are respectively arranged on both sides of the paving machine and are respectively connected to the screed plate traction arms (50) on both sides of the paving machine; the lifting cylinder (10) is used to lift the screed plate traction arms (50); A sensor assembly (20), wherein the sensor assembly (20) is two in number, and the two sensor assemblies (20) are respectively arranged outside the frame of the paving machine and are respectively located on the travel paths of the screed traction arms (50) on both sides; A limit assembly (30), wherein there are two limit assemblies (30), and the two limit assemblies (30) are respectively arranged on the inner side of the frame of the paving machine and are respectively located on the travel path of the screed plate traction arms (50) on both sides; each limit assembly (30) is provided with a telescopically movable limit shaft (31), and the limit shaft (31) is used to limit the displacement of the screed plate traction arms (50); A control unit (40), the control unit (40) is connected to the lifting cylinder (10), the sensor assembly (20) and the limit assembly (30), and the control unit (40) is used to control the lifting cylinder (10) and the limit assembly (30).

2. The fast limiting device for the paving machine screed plate according to claim 1, characterized in that: The sensor component (20) adopts a switch sensor.

3. The fast limiting device for the paving machine screed plate according to claim 1, characterized in that: Each of the limiting components (30) further comprises: A mounting support (32), wherein the mounting support (32) is fixedly arranged on the inner side of the frame of the paving machine; A drive motor (33), wherein the drive motor (33) is arranged in the mounting support (32), the drive motor (33) is connected to both the limit shaft (31) and the control unit (40), and the drive motor (33) is used to drive the limit shaft (31) to telescopically move; Wherein, the control unit (40) is used to control the drive motor (33).

4. The fast limiting device for the paving machine screed plate according to claim 1, characterized in that: The control unit (40) comprises: a communication module (41), the communication module (41) being connected to the lifting cylinder (10), the sensor assembly (20) and the limit assembly (30), the communication module (41) being used for data exchange; A data processing module (42), the data processing module (42) is connected to the communication module (41), and the data processing module (42) is used to generate control instructions.

5. The fast limiting device for the paving machine screed plate according to claim 4, characterized in that: The control unit (40) further comprises: A power module (43), the power module (43) is connected to both the communication module (41) and the data processing module (42) to supply power.

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