Precast beam production line trolley device

Abstract

The utility model discloses a precast beam production line trolley device which comprises a trolley body, a driving mechanism and a control cabinet, the driving mechanism and the control cabinet are arranged below the trolley body, the trolley body is of a multi-section splicing structure, and every two adjacent sections of the trolley body are fixedly connected through a positioning connecting device. The driving mechanism comprises a driving wheel set, a driving motor of the driving wheel set and a driven wheel set and is used for supporting and driving the vehicle body to move. The control cabinet is connected to the driving mechanism through a circuit and used for controlling starting and stopping of transfer of the trolley body. According to the utility model, a multi-section vehicle body splicing mode is adopted, so that the problem of high difficulty in the production and installation process of a large vehicle body is solved; and meanwhile, the trolley bears the precast beam mold to run on the fixed track, and automatically runs to each station according to a preset program after receiving a control signal, so that the requirements of a production line can be met, the production efficiency is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete prefabricated beam production, in particular to a trolley device for a prefabricated beam production line. Background Art

[0002] Prefabricated concrete beams are gaining widespread adoption in the current construction industry, particularly in large-scale road and bridge projects. However, prefabricated beams and the molds required for their formation often require transfer between different workstations on the production line. Currently, production typically utilizes a multi-station fixed mold system, but this approach suffers from low production efficiency. Therefore, a trolley system is required to carry the molds and concrete beams on a pre-designed track to accommodate automated production lines. However, existing production line trolley systems are often integrated, making assembly and use more complex. Utility Model Content

[0003] The purpose of the utility model is to solve the deficiencies of the above-mentioned existing background technology and to provide a trolley device for a prefabricated beam production line.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a prefabricated beam production line trolley device, including a car body, a driving mechanism arranged under the car body, and a control cabinet, wherein the car body is a multi-section splicing structure, and the two adjacent sections of the car body are fixedly connected by a positioning connection device; the driving mechanism includes a driving wheel group and its driving motor, and a driven wheel group, which are used to support and drive the car body to move; the control cabinet is connected to the driving mechanism through a line, which is used to control the start, stop and transportation of the car body.

[0005] Furthermore, the positioning connection device includes a connecting and fixing part and a docking and positioning part, wherein the connecting and fixing part is located in the middle of the end of the vehicle body section and is provided with a plurality of connecting screw holes; the docking and positioning part includes a bite side and an insertion side, which are respectively fixedly arranged on the ends of the two opposite vehicle body sections, wherein the bite side is provided with a docking slot, and the upper and lower side walls of the docking slot are provided with a plurality of penetrating positioning screw holes, and the insertion side is provided with a plug-in board adapted to the docking slot, and the plug-in board is provided with a positioning hole opposite to the positioning screw hole; when the two adjacent vehicle body sections are spliced, the above-mentioned plug-in board is inserted into the docking slot, the positioning hole is opposite to the positioning screw hole, and is connected and fixed by a pin shaft, and the two opposite connecting and fixing parts are fixed by bolts passing through the connecting screw holes and then nuts.

[0006] Furthermore, a plurality of reinforcing ribs are provided on the back side of the connecting and fixing portion.

[0007] Furthermore, multiple sets of driving wheel assemblies and their corresponding driving motors and driven wheel assemblies are installed under the car body sections at both ends, and the driving motors are connected to the driving wheels through a reducer; only multiple sets of driven wheel assemblies are installed under the car body section located in the middle section.

[0008] Furthermore, the driving wheel group and the driven wheel group are also equipped with a guide pulley group, which is fixed to the corresponding wheel group base through a pulley bracket and includes at least two guide pulleys spaced opposite to each other to clamp the rail.

[0009] Furthermore, a sliding contact power supply device is installed under the vehicle body and is connected to the control cabinet and the drive motor through lines.

[0010] Furthermore, the car body is formed by welding and fixing carbon steel profiles and plates, wherein the central main beam under the car body is formed by butt-welding two H-shaped steels; the top surface of the car body is a loading platform, and the top surfaces of multiple sections of the car body are flush with each other.

[0011] Compared with the existing technology, the utility model has the following beneficial effects: the utility model adopts a multi-section car body splicing method, which solves the problem of difficulty in the production and installation of large car bodies; at the same time, the trolley carries the prefabricated beam mold and runs on a fixed track. After receiving the control signal, it automatically runs to each work station according to the preset program, which can adapt to the needs of the production line, improve production efficiency, and reduce labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 for Figure 1 A front view of the overall structure;

[0015] Figure 3 for Figure 1 Bottom view of the overall structure;

[0016] Figure 4 for Figure 3 Enlarged view of the positioning and connecting device of part A;

[0017] Figure 5 This is a front view of the utility model in a separated state of the vehicle body;

[0018] In the figure: 1. vehicle body, 2. driving wheel group, 3. driving motor, 4. driven wheel group, 5. positioning connection device, 6. guide pulley group, 7. control cabinet, 11. center main beam, 51. connecting fixing part, 52. docking positioning part, 511. connecting bolt, 512. reinforcing rib plate, 521. engaging side, 522. plug-in side, 523. docking slot, 524, plug-in plate, 525, pin shaft. DETAILED DESCRIPTION

[0019] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "front", "back", "left", "right", "bottom", "top", "end", "side", "center", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are merely relational words determined for the convenience of describing the structural relationships of the various components in the present invention, and do not specifically mean that any component in the present invention must have a specific direction, be constructed and operated in a specific direction, and should not be understood as a limitation on the present invention.

[0020] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "disposed" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0021] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings:

[0022] like Figures 1 to 5 As shown, a trolley device for a prefabricated beam production line mainly includes a car body 1, a drive mechanism arranged below the car body 1, and a control cabinet 7. The car body 1 is a three-section splicing structure, each section of the car body 1 is an independent car body 1, and the adjacent two sections of the car body 1 are fixedly connected by a positioning connection device 5. The car body 1 is mainly made of carbon steel profiles and plates welded together. Its main structure is a frame structure, which is made of multiple profiles welded vertically and horizontally; the plates are welded on the top of the main frame structure to fully cover it to form a loading platform, and the top surfaces of the multiple sections of the car body 1 are flush with each other; a central main beam 11 is welded and fixed below the central axis of the main frame structure and arranged along its length. The central main beam 11 is made of two H-shaped steels butt-welded. Multiple groups of support arms are symmetrically extended and fixed on the outer walls of both sides. The top supports of the support arms are fixed to the bottom of the main frame structure to enhance the bearing capacity of the loading platform, ensure the force stiffness of the car body 1 when carrying the prefabricated beam body and mold, and control the deformation within a reasonable range.

[0023] The drive mechanism includes a driving wheel set 2 and its corresponding driving motor 3, and a driven wheel set 4. The driving wheel set 2 is used to drive the steel wheel to drive the car body 1 to move and support the car body 1, and the driven wheel set 4 is mainly used to support the car body 1. The driving wheel set 2 and the driven wheel set 4 are both mounted on the steel rails laid on the production line. Multiple sets of driving wheel sets 2 and their corresponding driving motors 3 and multiple sets of driven wheel sets 4 are installed below the two sections of the car body 1 at both ends of the car body 1. The driving wheel sets 2 are arranged symmetrically, and the corresponding driving motors 3 are connected to the axles of the active roller steel wheels in the driving wheel sets 2 through speed reducers, thereby driving the steel wheels to rotate. The driven wheel sets 4 are also arranged symmetrically and support the car body 1 together with the driving wheel sets 2. The middle section of the car body 1 is only equipped with multiple sets of driven wheel sets 4 below. The multiple sets of driven wheel sets 4 are symmetrically and equidistantly arranged to support the middle section of the car body 1. Among the driving wheel group 2 or the driven wheel group 4 under each section of the car body 1, at least one pair of wheel groups is also provided with a guide pulley group 6, and the pulley bracket in the guide pulley group 6 is fixedly connected to the corresponding wheel group base by bolts, and there is at least one pair of guide pulleys, which are installed at the bottom of the corresponding pulley bracket through the rotation of the wheel axle. There is a gap between the two guide pulleys, which can be just engaged and clamped on both sides of the rail, preventing the wheel group from leaving the rail while limiting its sliding along the rail.

[0024] Combine Figure 4 As shown, the positioning connection device 5 includes a connecting and fixing portion 51 and a docking and positioning portion 52, wherein the connecting and fixing portion 51 is located in the middle of the end of each section of the vehicle body 1, and a plurality of connecting screw holes are provided on its edge. The docking and positioning portions 52 are usually provided with two, one on each side of the connecting and fixing portion 51, and each includes an engaging side 521 and an inserting side 522. The engaging side 521 and the inserting side 522 are respectively fixedly provided at the ends of the two opposite sections of the vehicle body 1, wherein the engaging side 521 is provided with an embedded docking slot 523, and the upper and lower side walls of the docking slot 523 are provided with a plurality of positioning screw holes extending vertically therethrough; the inserting side 522 is fixedly provided with a plug-in board 524 adapted to the docking slot 523, and the plug-in board 524 is provided with positioning holes opposite to the positioning screw holes. When two adjacent sections of the vehicle body 1 are spliced ​​together, the above-mentioned plug-in plate 524 is inserted into the docking slot 523 to complete the positioning. The positioning hole is opposite to the positioning screw hole and is inserted and connected by the pin shaft 525; at the same time, the two opposite connecting and fixing parts 51 are fixed by the connecting bolt 511 passing through the connecting screw hole and the nut.

[0025] Furthermore, in order to increase the strength of the connecting and fixing portion 51 , a plurality of reinforcing ribs 512 are welded and fixed to the back side of the connecting and fixing portion 51 .

[0026] The control cabinet 7 is connected to the driving mechanism through a line and is used to control the start, stop and transportation of the vehicle body 1.

[0027] As a further optimized technical solution, a sliding contact power supply is also installed on the lower side of the vehicle body 1 to obtain power supply, which is connected to the control cabinet 7 and the drive motor through lines to provide kinetic energy therefor.

[0028] The relevant technical features that have not been mentioned or described in detail in the above embodiments can be achieved by adopting or drawing on relevant technical solutions in the existing technology.

[0029] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A trolley device for a precast beam production line, characterized by: It includes a vehicle body, a driving mechanism arranged under the vehicle body, and a control cabinet, wherein the vehicle body is a multi-section splicing structure, and two adjacent sections of the vehicle body are fixedly connected by a positioning connection device; the driving mechanism includes a driving wheel set and its driving motor, and a driven wheel set, which are used to support and drive the vehicle body to move; the control cabinet is connected to the driving mechanism through a line, which is used to control the start, stop and transportation of the vehicle body.

2. The trolley device for a precast beam production line according to claim 1, characterized in that: The positioning connection device includes a connecting and fixing part and a docking and positioning part, wherein the connecting and fixing part is located in the middle of the end of the car body section and is provided with a plurality of connecting screw holes; the docking and positioning part includes a bite side and an insertion side, which are respectively fixedly arranged on the ends of the two opposite car body sections, wherein the bite side is provided with a docking slot, and the upper and lower side walls of the docking slot are provided with a plurality of penetrating positioning screw holes, and the insertion side is provided with a plug-in board adapted to the docking slot, and the plug-in board is provided with a positioning hole opposite to the positioning screw hole; when the two adjacent car body sections are spliced, the above-mentioned plug-in board is inserted into the docking slot, the positioning hole is opposite to the positioning screw hole, and is connected and fixed by a pin shaft, and the two opposite connecting and fixing parts are fixed by bolts passing through the connecting screw holes and then nuts.

3. The trolley device for a precast beam production line according to claim 2, characterized in that: A plurality of reinforcing ribs are provided on the back side of the connecting and fixing portion.

4. The trolley device for a precast beam production line according to claim 1, characterized in that: Multiple sets of driving wheel assemblies and their corresponding driving motors and driven wheel assemblies are installed under the car body sections at both ends. The driving motors are connected to the driving wheels through a reducer; only multiple sets of driven wheel assemblies are installed under the car body section located in the middle section.

5. The trolley device for a precast beam production line according to claim 4, characterized in that: The driving wheel group and the driven wheel group are further provided with a guide pulley group, which is fixedly mounted on the corresponding wheel group base through a pulley bracket and includes at least two guide pulleys spaced opposite to each other to clamp the rail.

6. The trolley device for a precast beam production line according to claim 1, characterized in that: A sliding contact power supply device is also installed under the vehicle body and is connected to the control cabinet and the drive motor through a line.

7. The trolley device for a precast beam production line according to claim 1, characterized in that: The car body is made of carbon steel profiles and plates welded together, wherein the central main beam under the car body is made of two H-shaped steels butt-welded; the top surface of the car body is a loading platform, and the top surfaces of multiple sections of the car body are flush with each other.

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