Hoisting beam with curved surface type frame structure

Abstract

The utility model belongs to the technical field of monorail crane equipment, and provides a curved surface type frame structure lifting beam which comprises a trolley bearing beam, a frame beam, a swing beam and a middle beam, the trolley bearing beam, the frame beam and the swing beam are arranged on the same plane, the whole frame beam is H-shaped, the two sides of the frame beam are connected with the trolley bearing beam, the swing beam is installed in the middle of the frame beam, and the two sides of the swing beam are connected with the middle beam through chains. A hydraulic oil cylinder is arranged in the middle beam and is connected with a lifting chain; according to the utility model, the self space of the hoisting beam is reduced, the applicable roadway height range of the monorail crane is increased, the stress of the hoisting beam is more uniform, the strength is higher, the maneuverability of the monorail crane during horizontal bending is enhanced, the stuck fault is prevented, the intelligent degree of the monorail crane is increased, and the hoisting safety is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of monorail crane equipment and relates to a monorail crane lifting beam, in particular to a curved frame structure lifting beam. Background Art

[0002] Monorail crane systems are mainly used to transport hydraulic supports and production materials underground in coal mines. Traditional monorail crane beams are designed as vertical stacking structures with a high net height. Electric hoists are usually used for lifting, and the degree of intelligence is low. With the promotion and application of monorail crane systems, the space requirements and functional requirements of monorail crane-assisted transportation are becoming more and more diversified. Utility Model Content

[0003] The purpose of this utility model is to provide a curved frame structure lifting beam, which can reduce the space of the lifting beam itself, increase the applicable tunnel height range of the monorail crane, ensure that the lifting beam is more evenly stressed and has higher strength, and at the same time enhance the maneuverability of the monorail crane during horizontal bending, prevent jamming failures, increase the intelligence level of the monorail crane, and ensure lifting safety.

[0004] The technical solution adopted by the present invention to achieve the above-mentioned purpose is:

[0005] A curved frame-type lifting beam comprises a trolley bearing beam, a frame beam, a swing beam and a middle beam. The trolley bearing beam, the frame beam and the swing beam are arranged in the same plane. The frame beam is H-shaped as a whole. Both sides of the frame beam are connected to the trolley bearing beam. A swing beam is installed in the middle of the frame beam. Both sides of the swing beam are connected to the middle beam through chains. A hydraulic cylinder is arranged in the middle beam, and the hydraulic cylinder is connected to the lifting chain.

[0006] Furthermore, a middle groove is processed in the middle of the trolley bearing beam, and hanging rail trolleys are fixed at both ends.

[0007] Furthermore, the two sides of the frame beam are separated and connected to the middle groove of the trolley bearing beam through a through-shaft. The connection part between the frame beam and the trolley bearing beam is closed, and a square hole is processed on one side. After the shaft is inserted, a square sleeve is installed to match the square hole for fixation.

[0008] Furthermore, a swing beam groove is processed in the middle of the frame beam, and the swing beam runs through the swing beam groove and is fixed with a bolt.

[0009] Furthermore, a triangular sliding mechanism is provided on the connecting chain connecting the swing beam and the center beam. The triangular sliding mechanism includes a connecting shaft, a connecting plate and a sliding shaft. There are two sliding shafts. The connecting shaft and the two sliding shafts are fixed by the connecting plate to form a triangle. The connecting shaft is fixedly connected to the connecting chain, and the two sliding shafts are slidably connected to the sliding groove processed on the center beam.

[0010] Furthermore, a bidirectional hydraulic lock is provided on the hydraulic cylinder, and a sensor is provided between the tail of the hydraulic cylinder and the lifting chain. The sensor is used to monitor the tension of the lifting chain. The bidirectional hydraulic lock increases the safety of the lifting chain in lifting and lowering.

[0011] Furthermore, the trolley load-bearing beam, frame beam and swing beam all adopt a streamlined curved surface bending structure.

[0012] The beneficial effects of the present invention are as follows: the present invention arranges the trolley bearing beam, frame beam and swing beam on the same plane, and changes the traditional vertical stacking structure from two layers of beams to one layer of beams, the clearance height of the lifting beam is significantly reduced, and the applicable tunnel height range is significantly increased; the oil cylinder is integrated with a two-way hydraulic lock valve group to enhance the safety and stability of the hydraulic cylinder lifting; a sensor is installed between the tail of the oil cylinder and the lifting chain to detect the lifting chain tension, the weight of the lifted cargo and the lifting chain breakage warning; a triangular sliding mechanism is arranged on the connecting chain connecting the swing beam and the middle beam to prevent the lifting beam from getting stuck when turning horizontally, and ensures smooth completion of the turn through the sliding of the mechanism; the trolley bearing beam and the frame beam are connected by an axis connection, and are fixed with square holes and square sleeves to increase the connection strength; each beam adopts a streamlined curved bending structure to increase the aesthetics and applicability while ensuring mechanical properties. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 This is the structural front view of the utility model;

[0015] Figure 3 It is a partial enlarged view of the stereogram of the present utility model;

[0016] In the figure, 1 is the trolley bearing beam; 2 is the frame beam; 3 is the swing beam; 4 is the middle beam; 5 is the connecting chain; 6 is the hydraulic cylinder; 7 is the lifting chain; 8 is the middle groove; 9 is the hanging rail trolley; 10 is the shaft; 11 is the square sleeve; 12 is the swing beam groove; 13 is the bolt; 14 is the connecting shaft; 15 is the connecting plate; 16 is the first sliding shaft; 17 is the second sliding shaft; 18 is the slide groove. DETAILED DESCRIPTION

[0017] To make the above-mentioned purposes, features, and advantages of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0018] A curved frame structure lifting beam, such as Figure 1 、 Figure 2 、 Figure 3 As shown, the beam body adopts a frame structure with light weight and high strength. The specific structure includes trolley bearing beam 1, frame beam 2, swing beam 3 and middle beam 4. The trolley bearing beam 1, frame beam 2 and swing beam 3 all adopt a streamlined curved bending structure, which ensures mechanical properties while looking beautiful and comfortable, and is applicable to a wider range of working conditions; the trolley bearing beam 1, frame beam 2 and swing beam 3 are arranged on the same plane, and the headroom height of the lifting beam is greatly reduced, which is applicable to a wide range of tunnel heights; the frame beam 2 is H-shaped as a whole, and the two sides of the frame beam 2 are connected to the trolley bearing beam 1, and the middle of the frame beam 2 is connected to the trolley bearing beam 1. A swing beam 3 is installed, and both sides of the swing beam 3 are connected to the middle beam 4 through connecting chains 5. A hydraulic cylinder 6 is arranged in the middle beam 4, and the hydraulic cylinder 6 is connected to the lifting chain 7 to realize material lifting. A two-way hydraulic lock valve group is integrated on the hydraulic cylinder 6 to ensure safety and reliability during lifting and lowering. The pipeline of the hydraulic cylinder 6 adopts a hard pipe, which is beautiful and simple and saves space. A sensor is provided between the tail of the hydraulic cylinder 6 and the lifting chain 7. The sensor is used to monitor the tension of the lifting chain, weigh the weight of the lifted goods, and provide chain breakage warning, thereby improving the intelligence of the device.

[0019] A middle groove 8 is processed in the middle of the trolley bearing beam 1, and hanging rail trolleys 9 are fixed at both ends.

[0020] The two sides of the frame beam 2 are separated and connected to the middle groove 8 of the trolley load-bearing beam 1 through the through shaft 10. The part where the frame beam 2 and the trolley load-bearing beam 1 are connected is closed, and a square hole is processed on one side. After the shaft 10 is inserted, the square sleeve 11 is installed and fixed in conjunction with the square hole. Here, the trolley load-bearing beam 1 is connected to the frame beam 2 in a single-axis through-hole manner, which has a simple connection method, light weight and high strength.

[0021] A swing beam groove 12 is machined in the middle of the frame beam 2 , and the swing beam 3 passes through the swing beam groove 12 and is fixed by a bolt 13 .

[0022] A triangular sliding mechanism is provided on the connecting chain 5 connecting the swing beam 3 and the middle beam 4. The triangular sliding mechanism includes a connecting shaft 14, a connecting plate 15, a first sliding shaft 16 and a second sliding shaft 17. The connecting shaft 14 and the first sliding shaft 16 and the second sliding shaft 17 are fixed by the connecting plate 15 to form a triangle. The connecting shaft 14 is fixedly connected to the connecting chain 5. The first sliding shaft 16 and the second sliding shaft 17 are slidingly connected to the slide groove 18 processed on the middle beam 4. The triangular sliding mechanism can prevent the lifting beam from swinging and getting stuck, and ensure that the lifting beam can smoothly complete the turning through the sliding of the mechanism when turning horizontally.

[0023] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this utility model should be included in the scope of protection of the present utility model. Therefore, the scope of protection of the present utility model should be based on the scope of protection of the claims.

Claims

1. A curved frame structure lifting beam, characterized by: It includes a trolley bearing beam, a frame beam, a swing beam and a middle beam. The trolley bearing beam, frame beam and swing beam are arranged in the same plane. The frame beam is H-shaped as a whole. Both sides of the frame beam are connected to the trolley bearing beam. A swing beam is installed in the middle of the frame beam. Both sides of the swing beam are connected to the middle beam through chains. A hydraulic cylinder is arranged in the middle beam, and the hydraulic cylinder is connected to the lifting chain.

2. The curved frame structure lifting beam according to claim 1, characterized in that: A middle groove is processed in the middle of the trolley bearing beam, and hanging rail trolleys are fixed at both ends.

3. The curved frame structure lifting beam according to claim 1, characterized in that: The two sides of the frame beam are separated and connected to the middle groove of the trolley bearing beam through a through shaft. The connection part between the frame beam and the trolley bearing beam is closed, and a square hole is processed on one side. After the shaft is inserted, a square sleeve is installed to match the square hole for fixation.

4. The curved frame structure lifting beam according to claim 1, characterized in that: A swing beam groove is processed in the middle of the frame beam, and the swing beam runs through the swing beam groove and is fixed by a bolt.

5. The curved frame structure lifting beam according to claim 1, characterized in that: A triangular sliding mechanism is provided on the connecting chain connecting the swing beam and the center beam. The triangular sliding mechanism includes a connecting shaft, a connecting plate and a sliding shaft. There are two sliding shafts. The connecting shaft and the two sliding shafts are fixed by the connecting plate to form a triangle. The connecting shaft is fixedly connected to the connecting chain, and the two sliding shafts are slidably connected to the sliding groove processed on the center beam.

6. The curved frame structure lifting beam according to claim 1, characterized in that: A sensor is provided between the tail of the hydraulic cylinder and the lifting chain, and the sensor is used to monitor the tension of the lifting chain.

7. The curved frame structure lifting beam according to claim 1, characterized in that: The trolley load-bearing beam, frame beam and swing beam all adopt a streamlined curved surface bending structure.

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