Self-propelled mechanism for bridge production system and method of using the same

Abstract

The application discloses a self-walking mechanism for a bridge production system and a use method thereof, and the self-walking mechanism comprises a moving assembly, a power assembly and a control assembly, the moving assembly comprises a moving base and walking strips connected to the bottom of the moving base, the power assembly comprises a driving motor and a driving gear, the driving motor drives the driving gear to rotate, the driving gear is engaged with the walking strips, the control assembly comprises position sensors and a controller, the position sensors are electrically connected with the controller and arranged on a working surface, the position sensors are used for determining the position of the moving base, and the controller is used for adjusting the working parameters of the driving motor, so that the technical problem of low production efficiency in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bridge production, in particular to a self-walking mechanism for a bridge production system and a method for using the same. BACKGROUND

[0002] The existing production line of small box girder and T girder adopts a production mode of longitudinal movement of bottom-tire-loaded girder. According to the power source of the bottom tire, the production line is divided into two types: 1. mobile bottom tire with power type 2. mobile bottom tire external power type. The existing mobile bottom tire external power type product mostly uses external winch dragging or longitudinal movement type ferry car. When the girder body of each station is longitudinally moved by the external winch dragging, manual connection is required, which is inconvenient to operate and has low intelligence. The longitudinal movement type ferry car has difficulty in improving the traction force. In order to provide sufficient traction force, it is necessary to increase the friction between the ferry car and the ground, and to provide a mobile power supply, which increases the complexity and cost of the circuit. The existing technology discloses a Chinese patent with application number "202021839710.0" and invention name "profile bottom die trolley for bridge intelligent production system". Although the structure improves the intelligence, the applicant finds that there are still problems in the structure and other existing technologies. Although the structure can avoid the situation that the welding quality is unstable due to fatigue caused by long-time manual labor, the structure cannot realize synchronous work of multiple stations of the mobile bottom tire, resulting in low production efficiency. SUMMARY

[0003] The purpose of the present application is to provide a self-walking mechanism for a bridge production system and a method for using the same, in order to solve the technical problem of low production efficiency in the prior art.

[0004] In order to achieve the above-mentioned purpose, the present application provides a self-walking mechanism for a bridge production system, which comprises a moving assembly, a power assembly and a control assembly. The moving assembly comprises a moving base and a walking strip connected to the bottom of the moving base. The power assembly comprises a driving motor and a driving gear. The driving motor drives the driving gear to rotate. The driving gear is engaged with the walking strip. The control assembly comprises a position sensor and a controller. A plurality of position sensors are electrically connected to the controller and arranged on the working surface. The position sensor is used to determine the position of the moving base. The controller is used to adjust the working parameters of the driving motor.

[0005] Further, the power assembly further comprises a fixed seat, and the driving gear is rotatably connected to the fixed seat.

[0006] Further, the power assembly further comprises a fixed shaft and a rotating wheel, and the driving gear, the fixed shaft and the rotating wheel are coaxially connected. The rotating wheel is located outside the fixed seat and is connected to the driving motor through a transmission belt.

[0007] Further, the power assembly further comprises limiting wheels, two of which are respectively located on the two sides of the drive gear.

[0008] Further, at least a part of the fixing seat is pre-buried in the working surface.

[0009] Further, the working surface is provided with a mounting groove, and the fixing seat is mounted in the mounting groove.

[0010] Further, the moving base is connected with a plurality of walking strips at the bottom, each of the walking strips is connected with a plurality of drive gears, each of the drive gears is connected with a fixing shaft, a rotating wheel, two limiting wheels and a fixing seat.

[0011] Further, the walking strip is a rack or a chain.

[0012] Further, in the direction of the walking strip, the distance between the two adjacent drive gears is less than the length of the moving base.

[0013] The application further provides a use method of the self-walking mechanism for the bridge production system, comprising the following steps:

[0014] S1, analyzing the size of the moving base and calculating the number of power assemblies required;

[0015] S2, measuring and determining the installation point on the working surface according to the number of power assemblies in S1;

[0016] S3, connecting the drive gear, the fixing shaft, the rotating wheel, the limiting wheel and the fixing seat at the installation point;

[0017] S4, connecting the drive motor with the rotating wheel;

[0018] S5, connecting the walking strip with the moving base;

[0019] S6, matching the walking strip with the drive gear;

[0020] S7, turning on the power supply and setting the working parameters of the drive motor in the controller;

[0021] S8, the controller controls the drive motor to start working to drive a plurality of beam bodies to start walking.

[0022] Based on the above technical scheme, the self-walking mechanism for the bridge production system and the use method thereof have the following advantages: the self-walking mechanism for the bridge production system and the use method thereof can realize the synchronous longitudinal movement of the moving bottom tire of multiple workstations and the independent longitudinal movement of the moving bottom tire of a single workstation. On the other hand, the power of the single bottom tire can be relatively concentrated, the synchronous longitudinal movement of the moving bottom tire of multiple workstations can be realized, the efficiency is greatly improved, and the overall moving time of the bottom tire is reduced. The structure does not need to be connected manually, the labor cost is saved, the longitudinal movement of the moving bottom tire of the whole strip production line is controlled through a set of intelligent control system, the intelligent degree of the production workshop is improved, and the technical problem of low production efficiency in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is one of the structural schematic diagrams of the embodiment of the present application;

[0024] Figure 2 is a side view of Figure 1

[0025] Figure 3 is an enlarged view of A in Figure 1

[0026] Figure 4 is a structural schematic diagram of a power assembly in the embodiment of the present application;

[0027] Figure 5 is a side view of Figure 4

[0028] Figure 6 is the second structural schematic diagram of the embodiment of the present application;

[0029] Figure 7 is the third structural schematic diagram of the embodiment of the present application;

[0030] In the drawings: 1 - moving base; 2 - walking strip; 3 - driving motor; 4 - driving gear; 5 - controller; 6 - fixed seat; 7 - fixed shaft; 8 - rotating wheel; 9 - transmission belt; 10 - limiting wheel; 11 - mounting groove; 12 - beam body. DETAILED DESCRIPTION

[0031] In order to better understand the purpose, structure and function of the present application, the self-walking mechanism for the bridge production system and the use method thereof will be further described in detail below in combination with the drawings.

[0032] ​​​In the description of the present application, it should be noted that 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, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] To achieve the above-mentioned purpose, the self-walking mechanism for bridge production system is provided, which comprises a moving assembly, a power assembly and a control assembly, the moving assembly comprises a moving base 1 and a walking strip 2 connected to the bottom of the moving base 1, the power assembly comprises a driving motor 3 and a driving gear 4, the driving motor 3 drives the driving gear 4 to rotate, the driving gear 4 is engaged with the walking strip 2, the control assembly comprises a position sensor and a controller 5, a plurality of position sensors are electrically connected with the controller 5 and arranged on the working surface, the position sensor is used to determine the position of the moving base 1, and the controller 5 is used to adjust the working parameters of the driving motor 3.

[0034] It should be noted that in the prior art, the existing production line of small box girder and T girder adopts the production mode of longitudinal movement of the bottom tire load beam, and according to the power source of the bottom tire, the production line is divided into two types: 1, the moving bottom tire with power type 2, the moving bottom tire with external power type. The "moving bottom tire self-walking mechanism" protected by the present patent belongs to "2, the moving bottom tire with external power type". The external power of the moving bottom tire is provided by the transmission gear fixed to the ground. At the same time, the structure with the same function as the rack is arranged on the beam moving bottom tire without power and is engaged with the ground transmission gear. The existing moving bottom tire external power type product adopts the following ways: external winch dragging, longitudinal moving type transfer car and the like. The existing way one: external winch dragging. The comparison disadvantages are as follows: (1) the beam body 12 of each station needs to be connected manually during longitudinal movement, which is not convenient to operate. (2) The degree of intelligence is low. (3) The whole production line needs to be provided with a loop steel rope through the whole length, which is difficult to ensure the cleanliness and beauty of the site. The existing way two: longitudinal moving type transfer car. The comparison disadvantages are as follows: (1) the traction force is difficult to improve, and in order to provide sufficient traction force, the friction between the transfer car and the ground needs to be increased. (2) The moving power supply needs to be provided, which increases the complexity and cost of the circuit.

[0035] The self-walking mechanism for a bridge production system and a use method thereof provided by the application can realize longitudinal movement of multiple work stations and longitudinal movement of a single work station.

[0036] It should be noted that the longitudinal movement is positioned by a position sensor, and the power assembly is grouped by a PLC to complete longitudinal movement of a single moving bottom tire and longitudinal movement of multiple moving bottom tires.

[0037] In the embodiment, the power assembly further comprises a fixed seat 6, and the drive gear 4 is rotationally connected to the fixed seat 6.

[0038] In the embodiment, the power assembly further comprises a fixed shaft 7 and a rotating wheel 8, the drive gear 4, the fixed shaft 7 and the rotating wheel 8 are coaxially connected, the rotating wheel 8 is located outside the fixed seat 6 and is connected to the drive motor 3 through a transmission belt 9. The gear position in the structure is fixed, the circuit is simple, the power supply does not need to be moved, the efficiency of installation and disassembly of the whole device is improved, the time required for installation is reduced, and the production and processing efficiency is improved.

[0039] It should be noted that the application can realize longitudinal movement of multiple work stations, Figures 6-7 For example, three moving bottom tires act at the same time, the production line is lengthened during the production process, the number of bottom tires can be infinitely increased, the moving base 1 is longitudinally moved synchronously, and the efficiency of moving the beam is greatly improved. The gear meshing transmission of the application runs stably and accurately, the application does not need to be connected manually, the labor cost is saved, and the intelligent degree of the production workshop is improved.

[0040] In the embodiment, the power assembly further comprises a limiting wheel 10, and two limiting wheels 10 are respectively located on both sides of the drive gear 4.

[0041] In the embodiment, at least a part of the fixed seat 6 is pre-buried in the working surface.

[0042] In the embodiment, an installation groove 11 is formed in the working surface, and the fixed seat 6 is installed in the installation groove 11. The position of the fixed seat 6 is fixed by the installation groove 11.

[0043] In the embodiment, the moving base 1 is connected with a plurality of the walking strips 2, each of the walking strips 2 is connected with a plurality of the driving gears 4, each of the driving gears 4 is connected with one of the fixed shafts 7, one of the rotating wheels 8, two of the limiting wheels 10 and one of the fixed seats 6.

[0044] In the embodiment, the walking strip 2 is a rack or a chain.

[0045] It should be noted that the rack function structure is arranged in the application, so that the moving base 1 can realize longitudinal movement under the driving of the power assembly, the walking strip can be a standard rack or other structures with equivalent functions, please refer to Figure 2 、 7 , for example, the walking strip 2 is equidistant round steel, the structure to be protected in the patent is not limited to equidistant round steel, the spacing a of the round steel is converted according to the rack modulus m, a=π*m, and the total arrangement number x of the round steel is designed according to the length of the moving base 1. The spacing between the first round steel and the last round steel of the moving base 1 is (x-1)*a.

[0046] In detail, the power assembly is shown in Figure 6 , the driving power is provided through the driving gear 4, and the teeth of the fixed seat 6 in the power assembly are fixed to the ground or other positions which can provide fixed support. As shown in Figure 6 , the power assembly is installed in the longitudinal direction of the production line with a distance of x*a to ensure that the moving base 1 and the walking strip 2 are always in meshing state, and the installation number is determined according to the length of the production line. The selection of the gear modulus is determined according to the walking speed of the moving base 1 designed, the total weight of the moving base, the longitudinal slope of the track and other factors. The parameters in the example are only for illustration and do not limit the scope of the patent protection. The general walking speed v of the moving base 1 of the load beam is between 5m / min and 12m / min. The rotating speed n of the driving gear 4 in the example of the embodiment is v / (m*z*π).

[0047] In the embodiment, in the direction of the walking strip 2, the spacing between the adjacent two driving gears 4 is less than the length of the moving base 1.

[0048] It should be noted that the corresponding number of walking strips 2 is installed on the moving base 1 according to the requirements, and the moving base 1 is placed on the track of the production line, and the walking strip 2 is arranged at the bottom of each moving base. In the track direction, one or more driving gears 4 are arranged at a distance not more than the length of the walking strip 2, so as to ensure that the moving base 1 can correctly mesh when walking to each driving gear 4. Finally, each driving gear 4 on the production line is connected to the controller 5 through the circuit for control, so as to realize the point operation and linkage of all the moving bases 1.

[0049] It should be noted that the control assembly controls the engagement between the driving gear 4 of each station and the walking strip 2 on the moving base 1, so that the moving base 1 moves longitudinally on the track. The number of moving bases on the production line can be set according to the needs of the user, and all moving bases on the production line can be longitudinally moved synchronously or independently.

[0050] The application also provides a use method of the self-walking mechanism for the bridge production system, comprising the following steps:

[0051] S1, analyzing the size of the moving base 1 and calculating the number of power assemblies required;

[0052] S2, measuring and determining the installation point on the working surface according to the number of power assemblies in S1;

[0053] S3, connecting the driving gear 4, the fixed shaft 7, the rotating wheel 8, and the limiting wheel 10 with the fixed seat 6 at the installation point position;

[0054] S4, connecting the driving motor 3 with the rotating wheel 8;

[0055] S5, connecting the walking strip 2 with the moving base 1;

[0056] S6, matching the walking strip 2 with the driving gear 4;

[0057] S7, turning on the power supply and setting the working parameters of the driving motor 3 in the controller 5;

[0058] S8, the controller 5 controls the driving motor 3 to start working to drive multiple beam bodies 12 to start walking.

[0059] It should be noted that in the application: the power of a single base can be relatively concentrated; multiple station moving bases 1 can be longitudinally moved synchronously to greatly improve the efficiency and reduce the overall moving time of the moving base 1; manual connection is not required, saving labor costs. The longitudinal movement of the moving base 1 of the strip production line is controlled by an intelligent control system, improving the intelligent degree of the production workshop; the gear position in the walking mechanism is fixed, and the circuit is simple, without the need to move the power supply. The application solves the problem of setting multiple power sources for the traditional self-powered moving base, solves the problem of inaccurate walking positioning of the moving base, solves the problem of low efficiency caused by the inability of multiple moving bases to walk synchronously in the traditional mode, and solves the problem of manual connection, complicated operation steps, and non-intelligent longitudinal movement of the moving base.

[0060] It is to be understood that the present application can be carried out by specifically different features and embodiments without departing from the spirit and scope of the application. Hence, specific embodiments disclosed herein are fully intended to be illustrative only and in no way limit the scope of the present application. Numerous modifications and equivalents can be suggested to those skilled in the art and many such modifications can made without departing from the spirit and scope of the application. Accordingly, it is not intended that the present application be limited, except as by the appended claims.

Claims

1. A self-propelled mechanism for a bridge production system, characterized in that, The system includes a moving component, a power component, and a control component. The moving component includes a moving base (1) and a walking bar (2) connected to the bottom of the moving base (1). The power component includes a drive motor (3) and a drive gear (4). The drive motor (3) drives the drive gear (4) to rotate, and the drive gear (4) meshes with the walking bar (2). The control component includes position sensors and a controller (5). Multiple position sensors are electrically connected to the controller (5) and are set on the working surface. The position sensors are used to determine the position of the moving base (1). The device (5) is used to adjust the working parameters of the drive motor (3); the power assembly also includes a fixed seat (6), and the drive gear (4) is rotatably connected to the fixed seat (6); the power assembly also includes a fixed shaft (7) and a rotating wheel (8), the drive gear (4), the fixed shaft (7), and the rotating wheel (8) are coaxially connected, the rotating wheel (8) is located outside the fixed seat (6) and is connected to the drive motor (3) through a transmission belt (9); the power assembly also includes a limiting wheel (10), and the two limiting wheels (10) are located on both sides of the drive gear (4); The bottom of the movable base (1) is connected to multiple walking bars (2), each walking bar (2) is connected to multiple driving gears (4), and each driving gear (4) is connected to a fixed shaft (7), a rotating wheel (8), two limiting wheels (10) and a fixed seat (6).

2. The self-propelled mechanism for a bridge production system according to claim 1, characterized in that, At least a portion of the fixed base (6) is embedded in the working surface.

3. The self-propelled mechanism for a bridge production system according to claim 1, characterized in that, An installation groove (11) is provided on the working surface, and the fixing seat (6) is installed in the installation groove (11).

4. The self-propelled mechanism for a bridge production system according to claim 1, characterized in that, The walking bar (2) is a rack or chain.

5. The self-propelled mechanism for a bridge production system according to claim 3, characterized in that, In the direction of the walking bar (2), the distance between two adjacent drive gears (4) is less than the length of the moving base (1).

6. A method of using a self-propelled mechanism for a bridge production system as described in any one of claims 1-5, characterized in that, Includes the following steps: S1, Analyze the dimensions of the mobile base (1) and calculate the number of power components required; S2, based on the number of power components in S1, measure and determine the installation points on the working surface; S3, at the installation point, connect the drive gear (4), fixed shaft (7), rotating wheel (8), limit wheel (10) to the fixed seat (6); S4, connect the drive motor (3) to the rotating wheel (8); S5, connect the walking bar (2) to the movable base (1); S6, the walking bar (2) is engaged with the drive gear (4); S7, turn on the power and set the working parameters of the drive motor (3) in the controller (5); S8, the controller (5) controls the drive motor (3) to start working and drive multiple beams (12) to start moving.

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