A steel track for light weight lifting equipment

Abstract

The utility model discloses a kind of steel tracks for light hoisting equipment, it is related to hoisting equipment technical field.The track includes track body, lifting appliance and track car.Track body is formed by single steel material by cold extrusion rolling process once, cross section is inverted "Ω" shape structure, including two sides symmetrical side wall board, arch-shaped convex section of upper end and lower concave section of lower end inward folding;V-shaped guide groove is formed at the bottom of lower concave section, and wave-shaped reinforcing rib with rib height being 0.5 times wall thickness is arranged in the inner side of side wall board;Track body outside is fixed by lifting appliance, and track car with roller is installed in cooperation in the inner side.The utility model is integrally formed and is designed by composite cross section, solve the problem that traditional welding track is easy to deform, fatigue life is low, it is beneficial to lifting device fixation and installation, block centering, with the advantages of high strength, stable operation, low production cost.

Description

Technical Field

[0001] This utility model relates to the field of steel track technology, specifically to a steel track for lightweight lifting equipment. Background Technology

[0002] In existing technologies, KBK track systems generally employ a welded composite structure of two C-shaped steel sections (see...). Figure 6 , 7 It has the following defects:

[0003] The welding process leads to severe thermal deformation, with straightness errors exceeding ±2mm / m; stress concentration at the weld seam results in fatigue life of only 65% ​​of the design value; the lack of a raised structure results in low strength and easy deformation; and the straight track surface makes it difficult for the track vehicle to stay centered within the track.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a steel rail for lightweight lifting equipment to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A steel rail for a light lifting device includes a rail body, which is formed in one piece by cold extrusion rolling of a single steel bar. The rail body has an inverted "Ω" shaped cross-section and includes symmetrically arranged side wall plates on both sides, an arched protrusion connected to the upper end of the side wall plates, and a recessed section that tapers inward at the lower end. A lifting device is installed on the outer side of the rail body, and a railcar is installed on the inner side of the rail body.

[0008] As a further embodiment of this utility model, the overall height of the track body is 158±1.5mm, the wall thickness of the track body is 4mm, and a V-shaped guide groove is formed at the bottom of the concave section.

[0009] As a further embodiment of this utility model, the inner side of the side wall panel is provided with continuous wavy reinforcing ribs, and the rib height h of the reinforcing ribs of the side wall panel is a multiple of the thickness of the side wall panel.

[0010] As a further embodiment of this utility model, the lifting device includes a first block, a second block, and fastening bolts. The first block and the second block are assembled by fastening bolts, and a lifting rod is provided on the inner side of the upper end of the first block and the second block.

[0011] As a further embodiment of this utility model, the railcar includes a frame plate, with rollers rotatably mounted on both sides of the frame plate, a fixing member fixedly connected to the bottom end of the frame plate, and a pin installed on the inner side of the lower end of the fixing member.

[0012] As a further embodiment of this utility model, buffer devices are installed at both the front and rear ends of the frame plate, and limiters are provided on the inner side of the buffer devices.

[0013] The beneficial effects of this utility model are as follows:

[0014] Compared with traditional steel rails, this utility model has the following advantages: no welding, it is cold-extruded and rolled in one piece, the process is simpler, the dimensional accuracy is higher, the production cost is lower and the efficiency is higher; the original KBK rail was made by binding two pieces (x-PK rail) and welding them together. Figure 6 / 7); The upper arched design increases strength and facilitates the fixing and installation of the hanging device; the lower tread has an angled design to facilitate the centering of the trolley; the walking cavity is wider at the top and narrower at the bottom to increase strength; the lower curved design increases the strength of the lower tread. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of a steel rail for a lightweight lifting device according to an embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of a steel rail for a lightweight lifting device according to an embodiment of the present utility model;

[0018] Figure 3 This is a cross-sectional view of a steel rail for a lightweight lifting device according to an embodiment of the present utility model;

[0019] Figure 4 This is a schematic diagram of the overall structure of a lifting device for a steel rail of a lightweight lifting equipment according to an embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the overall structure of a railcar for a steel rail used in a lightweight lifting device according to an embodiment of the present utility model;

[0021] Figure 6 This is a schematic diagram of the overall structure of a KBK steel rail for a lightweight lifting device according to an embodiment of the present utility model.

[0022] Figure 7 This is a cross-sectional schematic diagram of a KBK steel rail for a lightweight lifting device according to an embodiment of the present invention.

[0023] In the picture:

[0024] 1. Track body; 2. Lifting device; 3. Track vehicle; 101. Side wall panel; 102. Raised section; 103. Recessed section; 201. First block; 202. Second block; 203. Fastening bolt; 204. Lifting rod; 301. Frame plate; 302. Roller; 303. Fixing component; 304. Pin; 305. Buffer device. Detailed Implementation

[0025] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0026] According to an embodiment of the present invention, a steel rail for a lightweight lifting device is provided.

[0027] Please refer to the instruction manual appendix. Figure 1-7 According to an embodiment of the present invention, a steel rail for a lightweight lifting device includes a rail body 1. The rail body is formed in one step by a single steel bar through a cold extrusion rolling process, and has an inverted "Ω" shaped cross-section. It includes side wall plates 101 arranged symmetrically on both sides, an arched protruding section 102 connected to the upper end of the side wall plates, and a recessed section 103 that tapers inward at the lower end. A lifting device 2 is installed on the outer side of the rail body 1, and a railcar 3 is installed on the inner side of the rail body 1.

[0028] The rail body 1 is cold-extruded and rolled in one piece without welding, which simplifies the process, increases dimensional accuracy, and reduces production costs and increases efficiency; previously, KBK rails were made by rolling two pieces (x-PK rails) together and then welding them. Figure 6 / 7); The upper arched design increases strength and facilitates the fixing and installation of the hanging device; the lower tread has an angled design to facilitate the centering of the trolley; the walking cavity is wider at the top and narrower at the bottom to increase strength; the lower curved design increases the strength of the lower tread.

[0029] In one embodiment, please refer to the appendix to the specification. Figure 1-7 As a further embodiment of this utility model, the overall height of the track body 1 is 158±1.5mm, the wall thickness of the track body 1 is 4mm, and a V-shaped guide groove is formed at the bottom of the recessed section 103.

[0030] In one embodiment, please refer to the appendix to the specification. Figure 1-7 As a further embodiment of this utility model, the inner side of the side wall panel 101 is provided with continuous wavy reinforcing ribs, and the rib height h of the reinforcing ribs of the side wall panel 101 is 0.5 times the thickness of the side wall panel.

[0031] In one embodiment, please refer to the appendix to the specification. Figure 1-7 As a further embodiment of the present invention, the lifting device 2 includes a first block 201, a second block 202, and fastening bolts 203. The first block 201 and the second block 202 are assembled by fastening bolts 203. A lifting rod 204 is provided on the inner side of the upper end of the first block 201 and the second block 202.

[0032] In one embodiment, please refer to the appendix to the specification. Figure 1-7 As a further embodiment of this utility model, the railcar 3 includes a frame plate 301, with rollers 302 rotatably mounted on both sides of the frame plate 301, and a fixing member 303 fixedly connected to the bottom end of the frame plate 301, with a pin 304 installed on the inner side of the lower end of the fixing member 303.

[0033] In one embodiment, please refer to the appendix to the specification. Figure 1-7 As a further embodiment of this utility model, buffer devices 305 are installed at the front and rear ends of the frame plate 301, and limiters are provided on the inner side of the buffer device 305. The buffer device 305 is a striking pin.

[0034] During track installation, the lifting device 2 is first fixed to the workshop beams and columns with M16 bolts. Then, the track body 1 is inserted into the C-groove of the lifting device. After adjusting the level, the fasteners are tightened. When the track vehicle 3 is running, the roller assembly 302 rolls in the guide groove, and the maximum running speed can reach 2m / s.

[0035] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A steel rail for a light lifting device, comprising a rail body (1), characterized in that: The track body (1) is formed in one step by cold extrusion rolling of a single steel bar. The cross-section is an inverted "Ω" shaped structure, including side wall plates (101) arranged symmetrically on both sides, an arched protrusion section (102) connected to the upper end of the side wall plates, and a concave section (103) that tapers inward at the lower end. A lifting device (2) is installed on the outside of the track body (1), and a track car (3) is installed on the inside of the track body (1).

2. The steel rail for a light lifting device according to claim 1, characterized in that: The overall height of the track body (1) is 158±1.5mm, the wall thickness of the track body (1) is 4mm, and a V-shaped guide groove is formed at the bottom of the recessed section (103).

3. The steel rail for a light lifting device according to claim 1, characterized in that: The inner side of the side wall panel (101) is provided with continuous wavy reinforcing ribs, and the rib height h of the reinforcing ribs of the side wall panel (101) is 0.5 times the thickness of the side wall panel.

4. The steel rail for a light lifting device according to claim 1, characterized in that: The lifting device (2) includes a first block (201), a second block (202), and fastening bolts (203). The first block (201) and the second block (202) are spliced ​​together by fastening bolts (203). The upper inner side of the first block (201) and the second block (202) is provided with a lifting rod (204).

5. The steel rail for a light lifting device according to claim 1, characterized in that: The railcar (3) includes a frame plate (301), with rollers (302) rotatably mounted on both sides of the frame plate (301), and a fastener (303) fixedly connected to the bottom end of the frame plate (301), with a pin (304) installed on the inner side of the lower end of the fastener (303).

6. The steel rail for a light lifting device according to claim 5, characterized in that: The frame plate (301) is equipped with buffer devices (305) at both the front and rear ends, and the buffer devices (305) are provided with limiters on their inner sides.

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