Portal crane bridge

Abstract

The utility model discloses a portal crane bridge which comprises a crane bridge body, one side of a second driving gear shaft is meshed with a limiting sliding groove, second servo motors are perpendicularly installed at the lower ends of the two sides of a supporting frame in an inserted mode, driving gears are installed at the output ends of the second servo motors, and idler wheels are installed on the two sides of the lower end of the supporting frame in an embedded mode. Sliding balls are embedded in the outer walls of the rollers, and sliding rails are slidably mounted at the lower ends of the rollers. According to the portal crane bridge, the supporting frame and the sliding rail can be driven by the driving gear and the second servo motor to slide in a meshed mode more stably, the supporting frame can be subjected to limiting meshed sliding adjustment through a second driving gear shaft, a third servo motor, a limiting sliding groove and a positioning sliding block, adjustment is more stable, and the service life of the portal crane bridge is prolonged. And the steel wire rope is of a triangular structure, hoisting is more stable, the lifting hook can be rapidly disassembled, assembled and replaced in a spiral mode through the splicing insertion block and the splicing sleeve block, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry cranes, in particular to a gantry crane bridge. Background Art

[0002] Gantry crane is a variation of bridge crane, also called gantry crane. It is mainly used for loading and unloading of outdoor cargo yards, material yards and bulk cargo. Gantry crane has the characteristics of high site utilization, large operating range, wide adaptability and strong versatility, and is widely used in port cargo yards. Its metal structure is like a door-shaped frame, with two legs installed under the load-bearing main beam, which can walk directly on the ground track, and the two ends of the main beam can have outward cantilever beams.

[0003] In the existing CN218931519U gantry crane bridge structure, when the user adjusts the distance between the two groups of support frames, the user removes the bolts between the limit piece and the connecting rod to separate the limit block from the limit groove, and then removes the bolts between the limit piece and the support frame to move the support frame and the limit piece to the required position. At this time, the support frame and the limit piece can be fixed on the outside of the support plate. Similarly, the other group of support frames can be moved and fixed. At this time, the crane can be placed on the upper end of the track where the movement is required, thereby effectively improving the applicability of the crane. However, there are shortcomings. The existing equipment has poor stability in movement and bracket spacing adjustment, and poor lifting stability. It is also inconvenient to replace the hook and use it. Therefore, a gantry crane bridge is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a gantry crane bridge to solve the problems mentioned in the above background technology, such as poor stability in the movement of the gantry crane bridge structure and the adjustment of the spacing between supports, poor lifting stability, inconvenient hook replacement, and inconvenient use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gantry crane bridge, comprising a crane bridge, mounting blocks are sleeved and installed on both sides of the outer wall of the crane bridge, and the lower end of the mounting blocks is fixedly connected to a support frame, a movable groove is opened on the inner wall of the crane bridge, and an electric hoist is inserted and installed on the inner wall of the movable groove, a first servo motor is inserted and installed on the front and rear sides of the lower end of the electric hoist, and a first driving gear shaft is installed on the output end of the first servo motor, the first driving gear shaft is embedded and installed on the front and rear sides of the electric hoist, and one side of the first driving gear shaft is meshed and installed with the front and rear sides of the inner wall of the movable groove, a steel wire rope is curled and installed on the inner wall of the electric hoist, and a splicing block is fixedly connected to the lower end of the steel wire rope, a splicing block is sleeved and installed on the outer wall of the splicing block, and the splicing A hook is fixedly connected to the lower end of the sleeve block, a lifting ring is fixedly connected to the upper end of the installation sleeve block, and a positioning slider is fixedly connected to the front and rear sides of the inner wall of the installation sleeve block, the positioning slider is inserted and installed in the limiting slide groove, and the limiting slide groove is opened on the front and rear sides of the crane bridge, the third servo motor is inserted and installed in the front and rear sides of the inner wall of the installation sleeve block, and the second driving gear shaft is installed at the output end of the third servo motor, one side of the second driving gear shaft is meshed and installed with the limiting slide groove, the second servo motor is vertically inserted and installed at the lower ends of both sides of the support frame, and the driving gear is installed at the output end of the second servo motor, rollers are inlaid and installed on both sides of the lower end of the support frame, and sliding balls are inlaid and installed on the outer walls of the rollers, and slide rails are slidably installed at the lower end of the rollers, and the driving gear is meshed and installed with both sides of the upper end of the slide rails.

[0006] Preferably, the electric hoist is inlaid on the inner wall of the movable groove, and the electric hoist is laterally meshed and moved with the movable groove on the first servo motor through the first driving gear shaft.

[0007] Preferably, the steel wire rope is distributed in a triangular structure at the lower end of the electric hoist, and the steel wire rope is installed in a spiral splicing with the hook in the splicing sleeve block through a splicing plug block.

[0008] Preferably, the support frame is a symmetrical three-dimensional hollow support structure, and the support frame is installed in a limiting cover-coated support with the crane bridge in a limiting slide groove through a positioning slider.

[0009] Preferably, the support frame is connected to the slide rail in a front-rear limited sliding manner via a roller, and the support frame is meshed and moved with the slide rail on the second servo motor via a driving gear.

[0010] Preferably, the mounting sleeve is meshed with the crane bridge on the third servo motor through the second driving gear shaft and moves laterally, and the sliding balls are distributed in a ring-shaped position on the outer wall of the roller.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the gantry crane bridge can drive the support frame to engage and slide with the slide rail through the driving gear, the second servo motor and the driving gear, and the second servo motor, which is more stable, and the support frame can be limited, engaged and slidably adjusted through the second driving gear shaft, the third servo motor, the limiting slide groove and the positioning slide block, the adjustment is more stable, the automation is stronger, and the wire rope has a triangular structure, the lifting is more stable, and the hook can be quickly disassembled and replaced through the splicing plug block and the splicing sleeve block spiral, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a gantry crane bridge of the utility model;

[0013] Figure 2 This is a cross-sectional view of a gantry crane bridge of the utility model;

[0014] Figure 3 This is a top view of a sectional view of a gantry crane bridge installation block of the utility model;

[0015] Figure 4 A gantry crane bridge Figure 2 Enlarged view of point A in the middle;

[0016] Figure 5 A gantry crane bridge Figure 2 Enlarged view of point B in the middle;

[0017] Figure 6 A gantry crane bridge Figure 3 Enlarged view of point C in the middle.

[0018] In the figure: 1. crane bridge, 2. electric hoist, 3. wire rope, 4. support frame, 5. mounting block, 6. lifting ring, 7. first drive gear shaft, 8. first servo motor, 9. hook, 10. splicing block, 11. splicing block, 12. drive gear, 13. second servo motor, 14. slide rail, 15. slide ball, 16. roller, 17. second drive gear shaft, 18. third servo motor, 19. limit slide groove, 20. positioning slider, 21. moving groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-6 The utility model provides a technical solution: a gantry crane bridge, including a crane bridge 1, an electric hoist 2, a wire rope 3, a support frame 4, a mounting block 5, a lifting ring 6, a first driving gear shaft 7, a first servo motor 8, a hook 9, a splicing block 10, a splicing block 11, a driving gear 12, a second servo motor 13, a slide rail 14, a sliding ball 15, a roller 16, a second driving gear shaft 17, a third servo motor 18, a limiting slide 19, a positioning slider 20 and a moving groove 21. The mounting blocks 5 are sleeved and installed on both sides of the outer wall of the crane bridge 1, and the lower end of the mounting block 5 is fixedly connected to the support frame 4. The support frame 4 is a symmetrical three-dimensional hollow support structure, and the support frame 4 is supported and installed in a limiting cover in the limiting slide 19 with the crane bridge 1 through the positioning slider 20, so that the support structure of the support frame 4 is more stable and the installation with the crane bridge 1 is more stable.

[0021] The support frame 4 is connected to the slide rail 14 in a front-to-rear limited sliding manner through the roller 16, and the support frame 4 is meshed and moved with the slide rail 14 on the second servo motor 13 through the driving gear 12, so that the support frame 4 can be conveniently moved forward and backward more stably, and can be precisely adjusted, and is easy to use. The mounting block 5 is meshed and moved laterally with the crane bridge 1 on the third servo motor 18 through the second driving gear shaft 17, and the sliding ball 15 is distributed in a ring-shaped position on the outer wall of the roller 16, so that the spacing adjustment of the mounting block 5 is more stable and easy to use.

[0022] A moving groove 21 is provided on the inner wall of the crane bridge 1, and an electric hoist 2 is installed in the inner wall of the moving groove 21. The electric hoist 2 is inlaid on the inner wall of the moving groove 21, and the electric hoist 2 is laterally meshed and moved with the moving groove 21 on the first servo motor 8 through the first driving gear shaft 7, so that the electric hoist 2 can be covered and hidden to reduce the risk of damage. The first servo motor 8 is installed in the front and rear sides of the lower end of the electric hoist 2, and the first driving gear shaft 7 is installed on the output end of the first servo motor 8. The first driving gear shaft 7 is embedded and installed on the front and rear sides of the electric hoist 2, and one side of the first driving gear shaft 7 is meshed and installed with the front and rear sides of the inner wall of the movable groove 21. The inner wall of the electric hoist 2 is curled with a wire rope 3, and the lower end of the wire rope 3 is fixedly connected with a splicing plug-in block 10. The wire rope 3 is distributed in a triangular structure at the lower end of the electric hoist 2, and the wire rope 3 is spirally spliced ​​and installed with the hook 9 in the splicing sleeve block 11 through the splicing plug-in block 10, so that the wire rope 3 can be hoisted stably and is convenient for spiral disassembly, replacement and use.

[0023] The outer wall of the splicing block 10 is fitted with a splicing block 11, and the lower end of the splicing block 11 is fixedly connected to a hook 9, the upper end of the installation block 5 is fixedly connected to a lifting ring 6, and the front and rear sides of the inner wall of the installation block 5 are fixedly connected with a positioning slider 20, the positioning slider 20 is inserted and installed with a limiting slide groove 19, and the limiting slide groove 19 is opened on the front and rear sides of the crane bridge 1, the front and rear sides of the inner wall of the installation block 5 are inserted and installed with a third servo motor 18, and the output end of the third servo motor 18 is installed with a second drive gear shaft 17, and one side of the second drive gear shaft 17 is meshed and installed with the limiting slide groove 19, the lower ends of both sides of the support frame 4 are vertically inserted and installed with a second servo motor 13, and the output end of the second servo motor 13 is installed with a drive gear 12, the lower ends of the support frame 4 are inlaid with rollers 16, and the outer wall of the roller 16 is inlaid with a sliding ball 15, the lower end of the roller 16 is slidably installed with a slide rail 14, and the drive gear 12 is meshed and installed with both sides of the upper end of the slide rail 14.

[0024] Working principle: When using the gantry crane bridge, first lay the slide rail 14 of the device, then the support frame 4 of the device is moved in a limited meshing manner with the crane bridge 1 through the second driving gear shaft 17, the third servo motor 18, the limiting slide groove 19 and the positioning slider 20, adjust the spacing, and adapt to the position of the slide rail 14, and then lift the crane bridge 1 through the lifting ring 6 and splice and install it with the slide rail 14. When lifting is required, the wire rope 3 can be driven by the electric hoist 2 for lifting, and when it is necessary to move forward and backward, it can be meshed and rolled by the driving gear 12, the second servo motor 13 and the roller 16, and can be controlled and adjusted. When the hook 9 needs to be replaced, it can be spirally disassembled and replaced through the splicing plug block 10 and the splicing sleeve block 11. This is the use process of the gantry crane bridge.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gantry crane bridge, comprising a crane bridge (1), wherein mounting blocks (5) are sleeved and mounted on both sides of an outer wall of the crane bridge (1), and a support frame (4) is fixedly connected to the lower end of the mounting block (5), characterized in that: The crane bridge (1) has an inner wall provided with a movable groove (21), and an electric hoist (2) is inserted and installed on the inner wall of the movable groove (21), a first servo motor (8) is inserted and installed on the front and rear sides of the lower end of the electric hoist (2), and a first driving gear shaft (7) is installed on the output end of the first servo motor (8), the first driving gear shaft (7) is embedded and installed on the front and rear sides of the electric hoist (2), and one side of the first driving gear shaft (7) is meshed and installed with the front and rear sides of the inner wall of the movable groove (21), a steel wire rope (3) is curled and installed on the inner wall of the electric hoist (2), and a splicing plug-in block (10) is fixedly connected to the lower end of the steel wire rope (3), a splicing sleeve block (11) is sleeved and installed on the outer wall of the splicing sleeve block (10), and a hook (9) is fixedly connected to the lower end of the splicing sleeve block (11), and a lifting ring (6) is fixedly connected to the upper end of the installation sleeve block (5), and a fixed hook (9) is fixedly connected to the front and rear sides of the inner wall of the installation sleeve block (5). A positioning slider (20) is inserted and installed with a limiting slide groove (19), and the limiting slide groove (19) is opened on the front and rear sides of the crane bridge (1). A third servo motor (18) is inserted and installed on the front and rear sides of the inner wall of the mounting sleeve (5), and a second driving gear shaft (17) is installed at the output end of the third servo motor (18). One side of the second driving gear shaft (17) is meshed and installed with the limiting slide groove (19). A second servo motor (13) is vertically inserted and installed at the lower ends of both sides of the support frame (4), and a driving gear (12) is installed at the output end of the second servo motor (13). Rollers (16) are embedded and installed on both sides of the lower end of the support frame (4), and sliding beads (15) are embedded and installed on the outer wall of the roller (16). A slide rail (14) is slidably installed at the lower end of the roller (16), and the driving gear (12) is meshed and installed with both sides of the upper end of the slide rail (14).

2. A gantry crane bridge according to claim 1, characterized in that: The electric hoist (2) is inlaid on the inner wall of the moving groove (21), and the electric hoist (2) is laterally meshed and moved with the moving groove (21) on the first servo motor (8) via the first driving gear shaft (7).

3. A gantry crane bridge according to claim 2, characterized in that: The steel wire rope (3) is distributed in a triangular structure at the lower end of the electric hoist (2), and the steel wire rope (3) is installed in a spiral splicing with the hook (9) in a splicing sleeve block (11) through a splicing plug block (10).

4. A gantry crane bridge according to claim 3, characterized in that: The support frame (4) is a symmetrical three-dimensional hollow support structure, and the support frame (4) is installed in a limited cover-jointed support with the crane bridge (1) in a limited sliding groove (19) via a positioning slider (20).

5. A gantry crane bridge according to claim 4, characterized in that: The support frame (4) is connected to the slide rail (14) in a front-rear limited sliding manner via a roller (16), and the support frame (4) is meshed and moved with the slide rail (14) on the second servo motor (13) via a driving gear (12).

6. A gantry crane bridge according to claim 5, characterized in that: The mounting sleeve (5) is meshed with the crane bridge (1) and moves laterally on the third servo motor (18) via the second driving gear shaft (17), and the sliding balls (15) are distributed in a ring-shaped position on the outer wall of the roller (16).

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