A gantry trolley assembly
By introducing components such as rails, electro-hydraulic rail clamps, supports, driven wheels, driving wheels, and servo motors into the gantry trolley assembly, and combining them with controllers and wheel speed sensors, automated control and precise positioning of the gantry trolley are achieved. This solves the problems of inaccurate positioning and mechanical wear in existing technologies, and improves work efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINAN HAIYILAN ELECTRICAL & MECHANICAL HYDRAULIC CO LTD
- Filing Date
- 2025-07-02
- Publication Date
- 2026-07-14
AI Technical Summary
The existing gantry trolley assembly cannot be precisely positioned, and manual control leads to inaccurate positioning. Furthermore, the acceleration and deceleration processes are too rapid, resulting in severe mechanical wear and increased safety hazards.
By employing a combination of rails, electro-hydraulic rail clamps, supports, driven wheels, driving wheels, servo motors, controllers, and wheel speed sensors, the trolley achieves automated control and precise positioning. The speed curve is adjusted via the servo motor, reducing manual intervention and improving operational safety and equipment lifespan.
It enables automated operation and precise positioning of the gantry trolley, reducing labor intensity, improving work efficiency, and reducing mechanical wear and safety hazards.
Smart Images

Figure CN224492530U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of construction equipment technology, specifically relating to a gantry trolley assembly. Background Technology
[0002] In existing industrial production and logistics transportation fields, gantry trolley assemblies are widely used for cargo handling and installation. However, existing gantry trolley assemblies have significant drawbacks when moving work platforms on a gantry. First, current gantry trolleys cannot precisely position themselves at a designated location because starting and stopping are mostly manually controlled. This severely impacts accuracy and efficiency in scenarios requiring high positional precision. Second, during operator movement, the rapid acceleration and deceleration of the trolley subject the trolley and gantry structure to significant impact forces, leading to increased wear and tear on mechanical components, greater mechanical damage, shortened equipment lifespan, increased maintenance costs, and safety hazards. Therefore, there is an urgent need to design a gantry trolley assembly that can solve these problems. Utility Model Content
[0003] This utility model addresses the problems of the prior art by providing a gantry trolley assembly.
[0004] To achieve the above objectives, the technical solution adopted in this application is as follows:
[0005] A gantry trolley assembly includes two parallel rails, which are detachably mounted on the gantry.
[0006] An electro-hydraulic rail clamp is slidably connected to the end of the track away from itself and connected to the gantry. A first bracket with a U-shaped front cross-section is fixedly installed on the left side of each of the two electro-hydraulic rail clamps. A second bracket with a U-shaped front cross-section is fixedly installed on the right side of each of the two electro-hydraulic rail clamps. A working platform is fixedly connected between the side of the first bracket and the side of the second bracket that are close to each other on the two tracks.
[0007] The first bracket is fixedly connected to the left side of the first housing, and a driven wheel is rotatably connected to the inner wall of the first housing. The driven wheel is slidably connected to the top surface of the track.
[0008] The second bracket has a second housing fixedly connected to its right side. A drive wheel is rotatably connected to the inner wall of the second housing, and the drive wheel is slidably connected to the top surface of the track. A servo motor is fixedly connected to the outer side of the housing, and the output end of the servo motor is fixedly connected to the rotation shaft of the drive wheel.
[0009] Preferably, the electro-hydraulic rail clamp has a built-in controller; the first housing has a built-in wheel speed sensor; the controller is electrically connected to the wheel speed sensor and the servo motor respectively.
[0010] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0011] This utility model discloses a gantry trolley assembly. Through the arrangement of rails, electro-hydraulic rail clamps, a first support, a second support, a working platform, driven wheels, a driving wheel, and a servo motor, it realizes the transportation of materials or the movement of processing platforms installed on the trolley during construction. It can meet the transportation needs of various materials or equipment in construction, reduce labor costs, and the controller coordinates the control of components such as servo motors, electro-hydraulic rail clamps, and wheel speed sensors to automate the operation of the trolley, including operation, positioning, and braking. This reduces manual intervention, lowers labor intensity, improves work efficiency, and saves labor costs. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a left view of the structural schematic diagram of this utility model;
[0015] Figure 3 This is a bottom view of the structural schematic diagram of this utility model;
[0016] In the above figures, 1. track; 2. electro-hydraulic rail clamp; 3. first support; 4. second support; 5. working platform; 6. first housing; 7. driven wheel; 8. second housing; 9. driving wheel; 10. servo motor. Detailed Implementation
[0017] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0019] Example 1, as Figures 1-3 As shown, a gantry trolley assembly of this application includes two parallel rails 1, which are detachably mounted on the gantry.
[0020] The end of the track 1 away from its connection with the gantry is slidably connected to an electro-hydraulic rail clamp 2. Two first supports 3 with a U-shaped front cross-section are fixedly installed on the left side of each of the two electro-hydraulic rail clamps 2. Two second supports 4 with a U-shaped front cross-section are fixedly installed on the right side of each of the two electro-hydraulic rail clamps 2. A working platform 5 is fixedly connected between the sides of the first supports 3 and the sides of the second supports 4 on each of the two tracks 1 that are close to each other. The working platform 5 can be used to hold materials or as a construction platform, such as for rebar positioning and tying operations. The working platform 5 can meet the transportation needs of various materials in construction, whether it is small, scattered parts or large prefabricated components, it can be safely held and transported. The working platform 5 can be externally connected to a tying machine or an intelligent identification and positioning mechanism with a camera.
[0021] The first bracket 3 is fixedly connected to the left side of the first housing 6, and the inner wall of the first housing 6 is rotatably connected to the driven wheel 7, which is slidably connected to the top surface of the track 1;
[0022] A second housing 8 is fixedly connected to the right side of the second bracket 4. A drive wheel 9 is rotatably connected to the inner wall of the second housing 8. The drive wheel 9 is slidably connected to the top surface of the track 1. A servo motor 10 is fixedly connected to the outer side of the housing 1. The output end of the servo motor 10 is fixedly connected to the rotation shaft of the drive wheel 9. In this application, the servo motor 10 is a variable frequency forward and reverse motor.
[0023] The electro-hydraulic rail clamp 2 has a built-in controller; the first housing 6 has a built-in wheel speed sensor; the detection probe of the wheel speed sensor is electrically connected to the driven wheel 7; the controller is electrically connected to the wheel speed sensor and the servo motor 10 respectively; during use, when the trolley is running, the controller controls the clamping jaws of the electro-hydraulic rail clamp 2 to open, ensuring that the trolley runs autonomously along the track 1; then the servo motor 10 is started; the servo motor 10 controls the drive wheel 9 to rotate; so that the speed of the trolley assembly increases linearly, and after reaching the set speed value, it travels at a constant speed; wherein, the wheel speed sensor monitors the speed and acceleration of the working platform 5 in real time, and transmits the speed and acceleration signals to the controller; the operator can select the corresponding acceleration curve according to the actual work requirements, and the controller adjusts the speed of the servo motor 10 according to the preset acceleration curve and the received speed and acceleration signals, so as to achieve precise control of the acceleration process of the working platform 5, and make it run smoothly according to the preset acceleration curve;
[0024] When the trolley needs to decelerate or brake, the controller controls the servo motor 10 to gradually reduce its speed, while simultaneously controlling the jaws of the two electro-hydraulic rail clamps to retract and clamp the rail 1, assisting the trolley to linearly decelerate and stop, or to brake and lock in the required working position; preventing accidental slippage and greatly improving the safety of equipment use.
[0025] Furthermore, the controller is used to control the electrical components used in this solution, including but not limited to sensors, motors, telescopic rods, water pumps, solenoid valves, heating wires, heat pumps, displays, computer input devices, switches, communication devices, lights, speakers, and microphones. The controller is an Intel processor, AMD processor, PLC controller, ARM processor, or microcontroller, and is used in conjunction with a motherboard, memory modules, storage media, and power supply, which is AC power or a lithium battery. When a display screen is provided, a graphics card is also included. For the operating principle of the controller, please refer to "Principles of Automatic Control," "Microcontroller Principles and Application Simulation Cases," and "Sensor Principles and Applications" published by Tsinghua University Press. Other books in this field can also be consulted. Other automation control and electrical components not mentioned are knowledge well known to those skilled in the art and will not be described further here.
[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A gantry trolley assembly, characterized in that, Includes two parallel tracks (1), which are detachably mounted on the gantry frame; The track (1) is slidably connected to an electro-hydraulic rail clamp (2) at the end away from itself and connected to the gantry. The two electro-hydraulic rail clamps (2) are respectively fixedly installed on the left side with a first bracket (3) having a U-shaped front cross section. The two electro-hydraulic rail clamps (2) are respectively fixedly installed on the right side with a second bracket (4) having a U-shaped front cross section. The first bracket (3) and the second bracket (4) on the two tracks (1) are respectively fixedly connected to each other on one side and the other side of the second bracket (4). A working platform (5) is fixedly connected to the left side of the first bracket (3). A first housing (6) is fixedly connected to the left side of the first bracket (3). A driven wheel (7) is rotatably connected to the inner wall of the first housing (6). The driven wheel (7) is slidably connected to the top surface of the track (1). The second bracket (4) is fixedly connected to the right side of the second housing (8), and the inner wall of the second housing (8) is rotatably connected to the drive wheel (9). The drive wheel (9) is slidably connected to the top surface of the track (1). The outer side of the second housing (8) is fixedly connected to the servo motor (10), and the output end of the servo motor (10) is fixedly connected to the rotation shaft of the drive wheel (9).
2. The gantry trolley assembly according to claim 1, characterized in that, The electro-hydraulic rail clamp (2) has a built-in controller; the first housing (6) has a built-in wheel speed sensor; the controller is electrically connected to the wheel speed sensor and the servo motor (10) respectively.