A screed assembly extension platform and method of use

Abstract

The application discloses a kind of ironing plate assembly and method for using, telescopic platform includes main work platform and secondary work platform;Secondary work platform is also provided with driving device, the driving device includes horizontal driving device and vertical driving device for driving ironing plate telescopic section to carry out horizontal motion and vertical motion respectively, the main work platform and secondary work platform are provided with limiting device for realizing the positioning of ironing plate base section and ironing plate telescopic section, the vertical and horizontal motion of ironing plate telescopic section is realized by setting horizontal driving device and vertical driving device, satisfy small batch assembly, and by setting limiting device and control system, realize automatic assembly, with main workbench as reference form a closed loop operation, improve work space, facilitate the installation of relevant components by operating personnel, the assembly efficiency and quality of installing telescopic section to base section can be effectively improved by the multidimensional movement realized by secondary work platform.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of the assembly of a screed, and particularly relates to a screed assembly telescopic platform and a use method. BACKGROUND

[0002] The screed is a main working device of a paver. The main function of the screed is to level, shape and pre-compact the mixed paving material such as asphalt concrete and stabilized soil delivered by a spiral distributor, so as to provide a good working condition for further compaction by a road roller. Meanwhile, the screed can be widened to different paving widths within a certain range, so as to realize continuous paving operation of different widths and effectively ensure the transverse slope of the pavement section within the same width.

[0003] At present, the screed field mostly adopts a stand-type flat assembly, and a few adopts a ball platform or a positioner to fold and assemble the base section and the telescopic section.

[0004] At present, in order to obtain a larger assembly space and improve the assembly efficiency and quality, the base section is always turned over or lifted by a process means. However, the biggest disadvantage of the turning over or lifting of the base section is that flexible production cannot be realized, the demand for multi-variety production cannot be met, and the assembly efficiency and quality cannot be effectively improved. SUMMARY

[0005] The present application aims to provide a screed assembly telescopic platform to solve the technical problem of realizing the assembly of the screed by turning over the base section of the screed in the prior art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme.

[0007] In a first aspect, the present application provides a screed assembly telescopic platform, which comprises a main working platform and a secondary working platform connected with the main working platform and used for telescopic assembly.

[0008] The main working platform is used for placing the base section of the screed, and the secondary working platform is used for placing the telescopic section of the screed. The secondary working platform is further provided with a driving device, the driving device comprises a horizontal driving device and a vertical driving device respectively used for driving the telescopic section of the screed to move horizontally and vertically, and the main working platform and the secondary working platform are both provided with a limiting device used for realizing the positioning of the base section of the screed and the telescopic section of the screed.

[0009] The horizontal driving device and the vertical driving device are arranged to realize the vertical and horizontal movement of the ironing plate telescopic section, and can satisfy small batch assembly.

[0010] Optionally, the guiding device, the guide rail slide, and the horizontal driving device are arranged, the auxiliary workbench support is arranged at the bottom of the guiding device, the auxiliary workbench is arranged at the top of the guiding device, and the auxiliary workbench is movably arranged on the guide rail slide through the auxiliary workbench support.

[0011] Optionally, the guide rail slide is provided with a guide rail I-shaped support seat for supporting at the upper portion, the guide rail slide is provided with a gear rack, the auxiliary workbench support is internally provided with a worm gear and the gear rack is in transmission connection, and the auxiliary workbench support is connected and provided with a horizontal power supply device for driving the worm gear to rotate.

[0012] In the above technical solution, the worm gear is in transmission connection with the gear rack in the guide rail slide to realize the horizontal movement of the auxiliary workbench, and the horizontal power supply device adopts a servo motor in the prior art to provide power.

[0013] Optionally, the vertical driving device comprises a vertical power supply device arranged in the guiding device, the vertical power supply device is connected with a plurality of guiding lifting mechanisms through a lifting transmission mechanism, the guiding lifting mechanisms are vertically arranged, the top of the guiding lifting mechanisms is provided with a guiding sleeve, the top of the guiding sleeve is connected with the auxiliary workbench, the vertical power supply device preferably adopts a servo motor in the prior art to provide power, the servo motor transmits power to the guiding lifting mechanisms 32 through the lifting transmission mechanism, the guiding lifting mechanisms drive the guiding sleeve to move up and down, and the lifting transmission mechanism and the guiding lifting mechanism can adopt a worm and gear in the prior art to realize transmission.

[0014] Optionally, the length of the guide rail slide is greater than that of the main workbench, the auxiliary workbench comprises a left auxiliary workbench and a right auxiliary workbench, the left auxiliary workbench and the right auxiliary workbench are slidably connected with the guide rail slide through the gear rack, and the top of the guide rail slide is paved with a guide rail protective cover.

[0015] Optionally, the guide rail slide is provided with a wire winding device at both ends for winding a cable, and the guide rail protective cover is provided with a groove for cable wiring, the guide rail protective cover is made into a special-shaped part, so that the cable is always in the protective cover protection state during operation, so as to protect the cable from being damaged by accident.

[0016] The guide rail slide bottom is provided with a plurality of positioning locking mechanisms which are embedded in the underground foundation and filled with concrete.

[0017] Optionally, the left and right auxiliary working platforms are provided with grating devices which are electrically connected with a buzzer.

[0018] The left and right auxiliary working platforms are provided with laser range finders on the side relative to the movement.

[0019] Optionally, the main working platform and the auxiliary working platform are provided with positioning installation holes.

[0020] The limiting device of the auxiliary working platform is formed by a pin shaft installed on the positioning installation hole to form an L-shaped positioning screed extension section.

[0021] Optionally, the main working platform is provided with a plurality of anti-toppling stretching devices.

[0022] In the second aspect, the application further provides a method for assembling the telescopic platform of the screed according to the first aspect.

[0023] The main working platform is placed on the main working platform and the screed extension section is placed on the auxiliary working platform.

[0024] The control system controls the horizontal or vertical movement of the auxiliary working platform.

[0025] The control system comprises:

[0026] The signal receiving module is used for receiving the signal for controlling the assembly of the screed.

[0027] The signal processing module is in communication connection with the signal receiving module and the driving device and is used for controlling the driving device to drive the screed extension section to the corresponding position for assembly according to the position of the screed base section.

[0028] The application has the following advantages:

[0029] The ironing plate assembly telescopic platform realizes the vertical and horizontal movement of the ironing plate telescopic section through the setting of horizontal driving devices and vertical driving devices, satisfies small batch assembly, and realizes automatic assembly through the setting of limiting devices and control systems, forms a closed loop operation with the main workbench as a reference, improves the operation space, facilitates the installation of relevant components by the work personnel, the multi-dimensional movement realized through the auxiliary work platform can effectively improve the assembly efficiency and quality of the installation of the telescopic section to the base section, realizes flexible production, satisfies the assembly requirements of different models or new products, and each section adopts rapid positioning in the installation process, the base section is provided with an anti-toppling device, the structure is simplified, the installation is convenient and rapid, the assembly process is optimized, and rapid positioning assembly is realized. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0031] Figure 2 It is an enlarged schematic diagram of the left auxiliary work platform of the present application;

[0032] Figure 3 It is a schematic diagram of the horizontal driving device of the present application;

[0033] Figure 4 It is a partial exploded schematic diagram of the vertical driving device of the present application

[0034] In the figure: 1-main work platform, 2-auxiliary work platform, 3-guide device, 31-guide sleeve, 32-guide lifting mechanism, 33-lifting transmission mechanism, 34-vertical power supply device, 4-auxiliary work platform support, 5-optical grating device, 6-digital display device, 7-horizontal power supply device, 8-winder, 9-guide rail protection cover, 91-guide rail slide, 92-guide rail "H" shaped support, 10-positioning locking mechanism, 11-gear rack, 12-anti-toppling stretching device. DETAILED DESCRIPTION

[0035] The present application will be further described below in conjunction with the drawings. The following examples are only used to more clearly illustrate the technical solutions of the present application, and cannot be used to limit the protection scope of the present application.

[0036] In the description of the present application, it is to be understood by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and not indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0037] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0038] An embodiment, as shown in Figures 1 to 4 The present embodiment provides a flat iron assembly extension platform, which comprises a main working platform 1 and a secondary working platform 2.

[0039] The main working platform 1 is used for placing the flat iron base section, and the secondary working platform 2 is used for placing the flat iron extension section, wherein the secondary working platform 2 is slidingly arranged on the guide rail slide 91, and the secondary working platform 2 is preferably arranged on the same side of the main working platform 1, and the length of the guide rail slide 91 is preferably greater than that of the main working platform 1, so as to realize the sliding of the secondary working platform 2 on the guide rail slide 91 and the assembly of the flat iron base section and the extension section.

[0040] Referring to Figure 1 , Figure 2 and Figure 3 In the present embodiment, the secondary working platform support 4 is slidingly connected to the guide rail slide 91, and the guide device 3 is arranged on the top of the secondary working platform support 4, wherein the secondary working platform 2 is connected to the top of the guide device 3.

[0041] The upper part of the guide rail slide 91 is provided with a guide rail H-shaped support seat 92 for support, the guide rail slide 91 is provided with a gear rack 11, and the end of the auxiliary working platform support 4 is also provided with a horizontal power supply device 7, wherein the horizontal power supply device 7 in the embodiment is preferably a servo motor in the prior art, and the servo motor is drivingly connected with the gear rack 11 through a worm gear, in use, the servo motor drives the worm gear to rotate, and under the action of the gear rack 11, the auxiliary working platform support 4 drives the auxiliary working platform 2 to move in the horizontal direction along the length of the guide rail.

[0042] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown in the drawings, the guide device 3 and the auxiliary working platform support 4 are also connected and provided with a guide rail protective cover 9, and the length of the guide rail protective cover 9 is adapted to the length of the guide rail slide 91.

[0043] The vertical power supply device 34 is connected with the guide lifting mechanism 32 through the lifting transmission mechanism 33, wherein the vertical power supply device 34 is preferably connected with the guide lifting mechanism 32 on both sides through the lifting transmission mechanism 33, the top of the guide lifting mechanism 32 is provided with a guide sleeve 31 for supporting and connecting the auxiliary working platform 2, the outer periphery of the guide device 3 is surrounded by an organ case, and the vertical power supply device 34 in the embodiment is preferably a servo motor in the prior art, wherein the lifting transmission mechanism 33 can transmit power from the servo motor to the guide lifting mechanism 32 through a worm gear in the prior art, and the guide lifting mechanism 32 in the embodiment can adopt a structure such as a gear-driven screw rod lifting mechanism in the prior art, in use, the servo motor rotates to drive the lifting transmission mechanism 33 to rotate, and power is transmitted to the guide lifting mechanism 32, and the guide lifting mechanism 32 drives the auxiliary working platform 2 to move up and down.

[0044] Reference Figure 1 , Figure 3 and Figure 4 As shown in the drawings, the guide rail slide 91 is provided with a wire winding device 8 at both ends, the wire winding device 8 electrically connects the cable with the vertical power supply device 34 and the horizontal power supply device 7, and the inside of the guide rail protective cover 9 is provided with a groove, the cable line connected and extended from the wire winding device 8 passes through the groove, and the guide rail protective cover 9 is made into a structure with a groove, so that the cable line is always in a protective cover protection state during operation, and the cable line is protected from being damaged.

[0045] Reference Figure 1 and Figure 2As shown, the sub-work platforms 2 in this embodiment are preferably a pair of left and right sub-work platforms for assembling the telescopic sections at both ends of the screed, the related mechanisms for realizing the vertical and horizontal movement of the sub-work platforms 2 are the same, and the left and right sub-work platforms are both provided with a grating device 5 electrically connected with a buzzer, which stops the horizontal movement of the sub-work platforms 2 and controls the buzzer to alarm when there is an object or person in the middle position between the left and right sub-work platforms during the movement, to ensure the safety of the personnel.

[0046] In this embodiment, the side of the relative movement of the left and right sub-work platforms is also provided with a laser range finder electrically connected with a digital display device 6, which detects the offset of the sub-work platforms 2 relative to the support seat during the lifting process and displays it in real time.

[0047] Reference Figure 1 As shown, in addition to this, the main work platform 1 and the sub-work platform 2 are both connected with the limiting device through the positioning installation hole, wherein the limiting device of the main platform includes a tooling plate matched with a screw installed on the rear side of the main platform, and a pin shaft installed on the positioning installation hole to form an "L" type limiting screed base section.

[0048] The limiting device of the sub-platform is installed on the positioning installation hole, and the left and rear sides of the left sub-platform are installed with pin shafts on the positioning installation hole to form an "L" type limiting screed telescopic section.

[0049] The main work platform 1 is also provided with a plurality of anti-toppling stretching devices 12, wherein the anti-toppling stretching device 12 includes a hollow screw with left and right screws at both ends connected with a shackle and a lifting ring, the lifting ring is installed on the main work platform 1, the shackle is installed on the screed, and the anti-toppling stretching device 12 is connected in the middle to realize the connection, when in use, the screed base section is clamped on the plurality of anti-toppling stretching devices 12 to prevent it from toppling forward and backward, and increase the stability of the product connection.

[0050] In this embodiment, the bottom of the guide rail slide 91 is provided with a plurality of positioning and locking mechanisms 10, which are pre-buried in the underground foundation and filled with concrete to solidify, and the guide rail slide 91 is hoisted at the positioning and locking mechanism 10 and positioned and adjusted by the locking adjusting nut and adjusting disc to adjust the flatness of the guide rail slide 91.

[0051] Embodiment two:

[0052] On the basis of embodiment one, the embodiment provides a method for assembling the telescopic platform of the screed, which comprises:

[0053] The assembled flat iron base section is placed on the main work platform 1, and the flat iron telescopic section is placed on the auxiliary work platform 2;

[0054] The auxiliary platform limiting device is installed on the positioning installation hole through a pin shaft. Taking the left auxiliary platform as an example, the pin shafts are installed on the positioning installation hole at the left side and the rear side of the left auxiliary platform, respectively, to form an L-shaped positioning flat iron telescopic section.

[0055] The control system controls the horizontal or vertical movement of the auxiliary work platform 2, and realizes the assembly of the flat iron base section and the telescopic section when reaching the position of the base section on the main work platform 1. The relative position of the auxiliary platform to the main platform is adjusted on the foundation of installing and debugging the device, and the relative position is 4 mm. During the left and right movement process, the relative position is based on the installation position of the base section installed on the main platform, and the movement is to the installation position to realize the assembly of the flat iron base section and the telescopic section.

[0056] In the embodiment, the control system further comprises:

[0057] The signal receiving module is used for receiving the signal for controlling the assembly of the flat iron.

[0058] The signal processing module is in communication connection with the signal receiving module and the driving device, and is used for controlling the driving device to drive the flat iron telescopic section to the corresponding position for assembly according to the position of the flat iron base section.

[0059] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above specific embodiments. The above specific embodiments are only illustrative, but not restrictive. Those skilled in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, which are all within the protection of the present application.

Claims

1. A telescopic platform for screed assembly, characterized by: It comprises a main working platform (1) and a secondary working platform (2) connected to the main working platform (1) and used for telescopic assembly; The main working platform (1) is used to place the screed base section, and the auxiliary working platform (2) is used to place the screed telescopic section. The auxiliary working platform (2) is also provided with a driving device, and the driving device includes a horizontal driving device and a vertical driving device for driving the screed telescopic section to move horizontally and vertically respectively. The main working platform (1) and the auxiliary working platform (2) are both provided with a limiting device for realizing the positioning of the screed base section and the screed telescopic section. It also includes a guide device (3), a guide rail slide (91), and the horizontal drive device includes an auxiliary working platform support (4) arranged at the bottom of the guide device (3), an auxiliary working platform (2) is arranged on the top of the guide device (3), and the auxiliary working platform (2) is movably mounted on the guide rail slide (91) through the auxiliary working platform support (4); The guide rail slideway (91) is provided with a guide rail I-shaped support seat (92) for supporting, the guide rail slideway (91) is provided with a gear rack (11), the auxiliary working platform support (4) is provided with a worm gear in transmission connection with the gear rack (11), and the auxiliary working platform support (4) is connected to a horizontal power supply device (7) for driving the worm gear to rotate; The vertical drive device includes a vertical power supply device (34) arranged inside the guide device (3), the vertical power supply device (34) is connected to a plurality of guide lifting mechanisms (32) through a lifting transmission mechanism (33), the guide lifting mechanisms (32) are vertically arranged, and a guide sleeve (31) is provided on the top thereof, and the top of the guide sleeve (31) is in contact with the auxiliary working platform (2); The main working platform (1) and the auxiliary working platform (2) are both provided with positioning mounting holes, and the limiting device of the main working platform (1) comprises a tooling plate fitted with screws mounted on the rear side of the main working platform (1), and an "L"-shaped positioning ironing plate base section assembled with a pin mounted on the positioning mounting hole; The limiting device of the auxiliary working platform (2) is installed on the positioning installation hole by a pin shaft, forming an "L"-shaped positioning ironing board telescopic section.

2. The telescopic platform for screed assembly according to claim 1, characterized in that: The guide rail slideway (91) is longer than the main working platform (1), and the auxiliary working platform (2) includes a left auxiliary working platform and a right auxiliary working platform, and the left auxiliary working platform and the right auxiliary working platform are both slidably connected to the guide rail slideway (91) via a gear rack (11); A guide rail protective cover (9) is laid on the top of the guide rail slideway (91).

3. The telescopic platform for screed assembly according to claim 2, characterized in that: Cable reels (8) for winding cables are provided at both ends of the guide rail slideway (91), and a groove for routing cables is provided on the guide rail protective cover (9); A plurality of positioning and locking mechanisms (10) are provided at the bottom of the guide rail slideway (91), and the positioning and locking mechanisms (10) are pre-buried in the underground foundation and filled and solidified with concrete.

4. The telescopic platform for screed assembly according to claim 3, characterized in that: The left auxiliary working platform and the right auxiliary working platform are both provided with a grating device (5), and the grating device (5) is electrically connected to a buzzer; A laser rangefinder is also provided on the side where the left auxiliary working platform and the right auxiliary working platform move relative to each other, and the laser rangefinder is electrically connected to a digital display device (6).

5. The telescopic platform for screed assembly according to claim 1, characterized in that: The main working platform (1) is provided with a plurality of anti-dumping stretching devices (12), and the anti-dumping stretching devices (12) are composed of a left-handed screw and a right-handed screw respectively installed at both ends of an internally threaded hollow screw, a shackle, and a lifting ring.

6. The method for using the telescopic platform for assembling an ironing board according to any one of claims 1 to 5, characterized in that: The screed base section to be assembled is placed on the main working platform (1), and the screed telescopic section is placed on the auxiliary working platform (2); The control system controls the auxiliary working platform (2) to move horizontally or vertically, and when the auxiliary working platform (2) reaches the position of the base section on the main working platform (1), the screed base section and the telescopic section are assembled; The control system includes: Signal receiving module: used to receive and control the screed assembly signal; Signal processing module: communicates with the signal receiving module and the driving device, and is used to control the driving device according to the position of the screed base section to drive the screed telescopic section to the corresponding position for assembly.

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