Gantry frame structure
By introducing servo drive components and rail clamps into gantry crane equipment, the problem of inaccurate positioning of gantry cranes has been solved, enabling stable operation and convenient maintenance of the equipment, and improving safety and adaptability.
Patent Information
- Application Number
- CN202423310935.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing gantry cranes cannot be precisely positioned during operation, and personnel cannot directly reach the designated location for repairs when malfunctions occur.
Servo drive components and rail clamps are used in conjunction with drive motors to achieve smooth movement of outriggers and trolleys, and ladders are installed on the double-beam gantry to facilitate personnel going up and down for work.
It achieves precise positioning of the outriggers and trolley, improving operational stability and safety, while also allowing personnel to perform repairs directly on the double-beam gantry, expanding the operating range and adaptability.
Smart Images

Figure CN223765913U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to gantry frame equipment technical field, concretely is a kind of gantry frame structure. BACKGROUND
[0002] Gantry crane is also called portal crane, which is a deformation of bridge crane. It is mainly used for loading and unloading operations of goods and bulk cargo in outdoor yard. Gantry crane has the characteristics of high site utilization rate, large operation range, wide adaptability and strong versatility, and is widely used in port yard. However, the existing gantry crane lifting is generally connected by steel wire rope, which swings during operation and cannot be accurately positioned. In addition, when the gantry crane fails, personnel cannot directly repair it at the specified position. CONTENT OF THE UTILITY MODEL
[0003] To achieve the above purpose, the utility model realizes the following technical scheme:
[0004] A gantry frame structure, comprising two rails arranged symmetrically, two legs arranged on the rails, and a double-beam gantry arranged on the top of the two legs. A servo drive assembly is arranged at the bottom of the legs. The servo drive assembly drives the double-beam gantry to run stably. A slide rail is arranged symmetrically on the top of the double-beam gantry. A plurality of trolleys are arranged on the slide rail. A moving assembly is arranged on each trolley to drive the trolley to move along the slide rail.
[0005] A wheel box is arranged at the bottom of each leg. A roller is rotatably arranged in each wheel box and moves along the rail. The servo drive assembly comprises a first drive motor, a first rail clamp and a first square tube member. The roller is rotatably arranged in the first square tube member and moves along the rail. The first square tube member is fixedly arranged on the side of the wheel box. The first rail clamp is fixedly arranged on the top of the first square tube member and abuts against the bottom of the rail. The first drive motor is in transmission connection with the roller in the wheel box.
[0006] A hydraulic station is fixedly arranged on the top of the wheel box. A first anti-collision device is fixedly arranged at the other end of each first square tube member.
[0007] The trolley is assembled by a plurality of square tubes. Rollers are rotatably connected to the four corners of the bottom of the trolley. The moving assembly is symmetrically arranged on both sides of the trolley. The moving assembly comprises a second drive motor, a second rail clamp and a second square tube member. The second square tube member is fixedly connected to the trolley. Rollers are rotatably connected to the inside of each second square tube member and move along the slide rail. Each second rail clamp is fixedly arranged on the top of the second square tube member and abuts against the bottom of the slide rail. Each second drive motor is fixedly arranged on the side of the trolley and in transmission connection with the roller on the bottom of the trolley. A second anti-collision device is fixedly arranged at the other end of the second square tube member.
[0008] One of the said leg side fixedly arranged escalator, the double beam gantry top fixedly arranged several electric control cabinet, the double beam gantry top both sides fixedly arranged guardrail.
[0009] Compared with the prior art, the utility model has the beneficial effects that:
[0010] The utility model discloses simple structure, convenient installation is used, and the double beam gantry top sets up multiple trolleys, can hoist and carry multiple objects, simple operation, safe in use, simultaneously, cooperate with the use of rail clamp and drive motor, make the leg, trolley more stable in the moving process, when the gantry appears the fault, personnel can directly go up to the double beam gantry and repair, and the operation range is big, and the adaptation is wide, and the versatility is strong. BRIEF DESCRIPTION OF DRAWINGS
[0011] Attached Figure 1 It is the whole structure schematic diagram of the utility model;
[0012] Attached Figure 2 It is the trolley structure schematic diagram of the utility model;
[0013] Attached Figure 3 It is the partial enlarged structure schematic diagram of the utility model A place;
[0014] Attached Figure 4 It is the partial enlarged structure schematic diagram of the utility model B place.
[0015] The reference numerals shown in the drawings: 1, track;2, leg;3, double beam gantry;4, servo drive assembly;401, first drive motor;402, first rail clamp;403, first square tube component;404, first anti-collision device;5, slide rail;6, trolley;7, moving assembly;701, second drive motor;702, second rail clamp;703, second square tube component;704, second anti-collision device;8, wheel box;9, hydraulic station;10, escalator;11, electric control cabinet;12, guardrail. DETAILED DESCRIPTION
[0016] The utility model is further explained in connection with the drawings and specific embodiments.It should be understood that these embodiments are only for illustrating the utility model and are not for limiting the scope of the utility model.In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the present application.
[0017] Combining the drawings, a portal frame structure, comprising symmetrically arranged tracks 1, two of which are matched with supporting legs 2, two of which are fixedly arranged with double-beam portal frames 3 at the top, the bottom of the supporting leg 2 is provided with a servo drive assembly 4, which drives the double-beam portal frame 3 to run smoothly, the top of the double-beam portal frame 3 is symmetrically fixedly arranged with slide rails 5, a plurality of trolleys 6 are slidably arranged on the slide rails 5, and a moving assembly 7 is arranged on each trolley 6 to drive the trolley 6 to move along the slide rails 5.
[0018] Each of the supporting legs 2 is fixedly arranged with a wheel box 8, and a roller is rotatably arranged inside each of the wheel boxes 8 and moves along the track 1, the servo drive assembly 4 comprises a first drive motor 401, a first rail clamp 402 and a first square tube member 403, the first square tube member 403 is rotatably arranged inside and moves along the track 1, the first square tube member 403 is fixedly arranged on the side of the wheel box 8, the first rail clamp 402 is fixedly arranged on the top of the first square tube member 403 and abuts against the track 1 at the bottom, and the first drive motor 401 is in transmission connection with the roller in the wheel box 8, which drives the supporting leg 2 to move through this structural design.
[0019] The top of the wheel box 8 is fixedly arranged with a hydraulic station 9, which controls the operation of the first rail clamp 402 through this structural design, and the other end of each of the first square tube members 403 is fixedly arranged with a first anti-collision device 404.
[0020] The trolley 6 is assembled by a plurality of square tubes, the trolley 6 is rotatably connected with rollers at the bottom of four corners, the moving assembly 7 is symmetrically arranged on both sides of the trolley 6, the moving assembly 7 comprises a second drive motor 701, a second rail clamp 702 and a second square tube member 703, the second square tube member 703 is fixedly connected with the trolley 6, a roller is rotatably connected inside each of the second square tube members 703 and moves along the slide rails 5, each of the second rail clamps 702 is fixedly arranged on the top of the second square tube member 703 and abuts against the slide rails 5 at the bottom, each of the second drive motors 701 is fixedly arranged on the side of the trolley 6 and in transmission connection with the roller at the bottom of the trolley 6, which drives the trolley 6 to move along the slide rails 5 through this structural design, and the other end of the second square tube member 703 is fixedly arranged with a second anti-collision device 704.
[0021] One of the supporting legs 2 is fixedly arranged with a staircase 10, which facilitates the operation personnel to work up and down through this structural design, a plurality of electric control cabinets 11 are fixedly arranged on the top of the double-beam portal frame 3, and guardrails 12 are fixedly arranged on both sides of the top of the double-beam portal frame 3.
[0022] The scheme also comprises a controller, which controls the start and stop of the servo drive assembly 4 and the moving assembly 7. The position of the controller is set by the worker according to the actual situation. The controller is used to control the electrical devices used in the scheme, including but not limited to sensors, motors, telescopic rods, water pumps, electromagnetic valves, heating wires, heat pumps, display screens, computer input devices, switch buttons, communication devices, lights, speakers and microphones. The controller is an Intel processor, an AMD processor, a PLC controller, an ARM processor or a single-chip microcomputer. It is used with a mainboard, a memory bar, a storage medium and a power supply. The power supply is a mains electricity or a lithium battery. When the display screen is provided, a display card is also provided. The operation principle of the controller can be found in the books "Automatic Control Principle", "Microcontroller Principle and Application Simulation Cases" and "Sensor Principle and Application" published by Tsinghua University Press. Other books in the field can also be read for reference. Other automation control and electrical devices not mentioned are well known to those skilled in the art and will not be described here.
[0023] In use, the first drive motor 401 and the second drive motor 701 are controlled by an external controller to start and stop, and the first rail clamp 402 and the second rail clamp 702 are used to accurately position the support leg 2 and the trolley 6, and to lock and stabilize them.
[0024] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A portal frame structure comprising rails (1) arranged symmetrically, characterized in that: Two said track (1) on the cooperation of the legs (2), two said legs (2) top fixed double beam gantry (3) is arranged, the leg (2) bottom is provided with servo drive assembly (4), through the servo drive assembly (4) drive double beam gantry (3) stable operation, the double beam gantry (3) top symmetrical fixed slide rail (5) is arranged, the slide rail (5) on the slide is provided with a plurality of trolley (6), each said trolley (6) is provided with moving assembly (7) drive trolley (6) along the slide rail (5) moves.
2. A portal frame structure according to claim 1, wherein: Each said leg (2) bottom is fixedly provided with a wheel box (8), each said wheel box (8) is rotatably provided with a roller inside and moves along the track (1), the servo drive assembly (4) includes a first drive motor (401), a first rail clamp (402), a first square tube component (403), the first square tube component (403) is rotatably provided with a roller inside and moves along the track (1), the first square tube component (403) is fixedly arranged on the side of the wheel box (8), the first rail clamp (402) is fixedly arranged on the top of the first square tube component (403) and the bottom abuts against the track (1), the first drive motor (401) is in transmission connection with the roller in the wheel box (8).
3. A portal frame structure according to claim 2, wherein: The wheel box (8) top fixedly provided with hydraulic station (9), each said first square tube component (403) the other end is fixedly provided with a first anti-collision device (404).
4. A portal frame structure as claimed in claim 1, wherein: The trolley (6) is assembled by a plurality of square tubes, the trolley (6) bottom four corners are rotatably connected with rollers, the moving assembly (7) is symmetrically arranged on both sides of the trolley (6), the moving assembly (7) includes a second drive motor (701), a second rail clamp (702), a second square tube component (703), the second square tube component (703) is fixedly connected with the trolley (6), each said second square tube component (703) is rotatably connected with a roller inside and moves along the slide rail (5), each said second rail clamp (702) is fixedly arranged on the top of the second square tube component (703) and the bottom abuts against the slide rail (5), each said second drive motor (701) is fixedly arranged on the side of the trolley (6) and in transmission connection with the roller at the bottom of the trolley (6), the other end of the second square tube component (703) is fixedly provided with a second anti-collision device (704).
5. A portal frame structure as claimed in claim 1, wherein: One of said leg (2) side fixedly provided with a staircase (10), the double beam gantry (3) top fixedly provided with a plurality of electrical control cabinet (11), the double beam gantry (3) top two sides are fixedly provided with guardrails (12).