CN221440160U - General portal crane - Google Patents
General portal crane Download PDFInfo
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- CN221440160U CN221440160U CN202323429069.XU CN202323429069U CN221440160U CN 221440160 U CN221440160 U CN 221440160U CN 202323429069 U CN202323429069 U CN 202323429069U CN 221440160 U CN221440160 U CN 221440160U
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Abstract
The utility model discloses a general portal crane, which relates to the technical field of lifting equipment and comprises two bases, wherein the top surfaces of the two bases are fixedly connected with supporting frames, the opposite surfaces of the two supporting frames are fixedly connected with I-beams together, the two surfaces of the I-beams are provided with movable grooves, the inner walls of the two movable grooves are provided with lifting devices, the inner walls of the two supporting frames are provided with long grooves, and the top surfaces and the bottom surfaces of the inner walls of the two long grooves are provided with threaded screw rods together. According to the utility model, the supporting plate can be driven to a proper position through the cooperation between the threaded screw rod and the threaded moving block, and then the lifting rope is limited by utilizing the cooperation among the structures such as the limiting plate, the limiting pipe, the limiting opening, the multi-section telescopic rod and the like on the supporting plate, so that the problem that the personal safety of ground staff is influenced due to the fact that the lifting rope shakes greatly under the influence of strong wind or other external factors can be avoided.
Description
Technical Field
The utility model relates to the technical field of hoisting equipment, in particular to a general portal crane.
Background
The portal crane is a deformation of bridge crane, also called portal crane, and is mainly used for the hoisting and loading and unloading operation of outdoor goods yard, stock yard goods and bulk goods, and has the advantages of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards.
The applicant has found through the search that chinese patent discloses "gantry crane", its publication (bulletin) number is "CN212953842U", and this patent is mainly through the motion of cart drive girder along the X axis direction, and rethread dolly drive hoist assembly is along the motion of Y axis direction, later through hoist assembly drive anchor clamps along the motion of Z axis direction, finally through the anchor clamps with object lifting to arrange hoist assembly in the both sides of girder, utilized the girder height, it is very favorable to reduce the design requirement of storehouse and to improve pile up neatly height, production efficiency is higher.
The crane can improve production efficiency, but can be greatly rocked due to strong wind or too large weight when a heavy object is lifted, so that potential safety hazards are brought to ground staff.
Disclosure of utility model
The utility model aims to provide a general portal crane, which solves the problem that the conventional portal crane provided in the background art can cause great shaking of lifted goods due to strong wind or too large weight when lifting heavy objects, thereby bringing potential safety hazards to ground staff.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a general portal crane, includes two bases, two the equal fixedly connected with support frame of top surface of base, two the common fixedly connected with I-beam of relative one side of support frame, the travel groove has all been seted up to the two sides of I-beam, two the inner wall in travel groove all is equipped with hoisting apparatus, two the elongated slot has all been seted up to the inner wall of support frame, two the top surface and the bottom surface of elongated slot inner wall all are equipped with the screw thread lead screw jointly, two the equal threaded connection of the pole wall of screw thread lead screw has the screw thread movable block, two the common fixedly connected with layer board of screw thread movable block relative one side, the opening has been seted up on the surface of layer board, be equipped with stabilising arrangement on the layer board.
Preferably, the hoisting device comprises a plurality of pulleys, a lifting box, threaded hole blocks, lifting rollers and lifting ropes, wherein the surfaces of the pulleys are in sliding connection with the inner wall of the movable groove, the pulleys are arranged on one surface of the inner wall of the lifting box, the threaded hole blocks are fixedly connected with one surface of the lifting box, the lifting rollers are arranged on two surfaces of the inner wall of the lifting box jointly, one end of each lifting roller is connected with one surface of the inner wall of the lifting box in a rotating mode, and the lifting ropes are fixedly connected with the surfaces of the lifting rollers.
Preferably, the stabilizing device comprises a limiting plate, a limiting pipe, a limiting opening and a plurality of telescopic rods, wherein the bottom surface of the limiting plate is in sliding connection with one surface of the inner wall of the supporting plate, the limiting pipe is fixedly connected with the bottom surface of the limiting plate, the limiting opening is formed in the top surface of the limiting plate, the limiting opening is opposite to the limiting pipe, the plurality of telescopic rods are fixedly connected to the top surface of the limiting plate, and the top ends of the plurality of telescopic rods are fixedly connected with the bottom surface of the lifting box.
Preferably, the bottom end of the lifting rope penetrates through the limiting opening and the limiting pipe and is fixedly connected with the lifting hook.
Preferably, the number of the plurality of the telescopic rods is two, and the two telescopic rods are respectively positioned at two sides of the limiting opening.
Preferably, the wheel grooves are formed in the bottom surfaces of the two bases, and a plurality of moving wheels are arranged on the inner walls of the two wheel grooves.
Preferably, the motor cavity has all been seted up to two in the inside of base, two the equal fixedly connected with first motor of below of motor intracavity wall, two the equal fixedly connected with connecting rod of output of first motor, two the top of connecting rod all runs through the bottom surface of support frame and respectively with the bottom fixed connection of two screw thread lead screws.
Preferably, the surface fixedly connected with backup pad of jack-up case, the top surface fixedly connected with second motor of backup pad, the output of second motor and the one end fixed connection of jack-up roller.
Preferably, one side of each supporting frame is fixedly connected with a connecting plate, the opposite sides of each connecting plate are provided with threaded transmission rods together, the rod walls of the threaded transmission rods are in threaded connection with the inner walls of the threaded hole blocks, one side of each connecting plate is fixedly connected with a third motor, and the output end of each third motor is fixedly connected with one end of each threaded transmission rod.
The utility model has the technical effects and advantages that:
1. According to the utility model, the supporting plate can be driven to a proper position through the cooperation between the threaded screw rod and the threaded moving block, and then the lifting rope is limited by utilizing the cooperation among the structures such as the limiting plate, the limiting pipe, the limiting opening, the multi-section telescopic rod and the like on the supporting plate, so that the problem that the personal safety of ground staff is influenced due to the fact that the lifting rope shakes greatly under the influence of strong wind or other external factors can be avoided.
2. According to the utility model, through the arrangement of the base, the movable wheels, the first motor, the second motor and the like, the crane can be more convenient and faster in carrying or replacing a working place, the normal operation of the gantry crane can be ensured, the functions of the gantry crane are more complete, and the practicability of the gantry crane is improved.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic diagram of a front view partially in section.
Fig. 3 is an enlarged schematic view of the structure of fig. 1a according to the present utility model.
Fig. 4 is a schematic perspective view of the jack box of the present utility model.
In the figure: 1. a base; 2. a support frame; 3. a long groove; 4. a threaded screw rod; 5. a thread moving block; 6. a supporting plate; 7. a through port; 8. a limiting plate; 9. a limit opening; 10. a multi-section telescopic rod; 11. a jack box; 12. a moving groove; 13. an I-beam; 14. a lifting rope; 15. a lifting hook; 16. a moving wheel; 17. wheel grooves; 18. a motor cavity; 19. a first motor; 20. a connecting rod; 21. a support plate; 22. a second motor; 23. a limiting tube; 24. a pulley; 25. a lifting roller; 26. a threaded hole block; 27. a connecting plate; 28. a third motor; 29. a threaded transmission rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a general portal crane as shown in figures 1-4, which comprises two bases 1, wherein the top surfaces of the two bases 1 are fixedly connected with supporting frames 2, the opposite surfaces of the two supporting frames 2 are fixedly connected with I-beams 13 together, the two sides of each I-beam 13 are provided with movable grooves 12, the inner walls of the two movable grooves 12 are provided with lifting devices, the inner walls of the two supporting frames 2 are provided with long grooves 3, the top surfaces and the bottom surfaces of the inner walls of the two long grooves 3 are provided with threaded screw rods 4 together, the rod walls of the two threaded screw rods 4 are connected with threaded movable blocks 5 in a threaded manner, the opposite surfaces of the two threaded movable blocks 5 are fixedly connected with supporting plates 6 together, the surfaces of the supporting plates 6 are provided with through holes 7, and the supporting plates 6 are provided with stabilizing devices which can reduce the large shaking of lifting ropes 14;
The lifting device comprises a plurality of pulleys 24, a lifting box 11, threaded hole blocks 26, lifting rollers 25 and lifting ropes 14, the surfaces of the pulleys 24 are slidably connected with the inner wall of the movable groove 12, the pulleys 24 are arranged on one surface of the inner wall of the lifting box 11, the threaded hole blocks 26 are fixedly connected with one surface of the lifting box 11, the lifting rollers 25 are jointly arranged on two surfaces of the inner wall of the lifting box 11, one end of each lifting roller 25 is rotatably connected with one surface of the inner wall of the lifting box 11, the lifting ropes 14 are fixedly connected with the surface of the lifting rollers 25, the stabilizing device comprises a limiting plate 8, a limiting pipe 23, a limiting opening 9 and a plurality of telescopic rods 10, the bottom surface of the limiting plate 8 is slidably connected with one surface of the inner wall of the supporting plate 6, the limiting pipe 23 is fixedly connected with the bottom surface of the limiting plate 8, the limiting opening 9 is opposite to the limiting pipe 23, the top surface of the limiting plate 8 is fixedly connected with a plurality of telescopic rods 10, the top ends of the telescopic rods 10 are fixedly connected with the bottom surface of the lifting box 11, and the problem that large-amplitude shaking of workers under the influence of strong wind or other external factors can be avoided, and personal safety of the workers can be influenced.
As shown in fig. 1 and 2, the bottom end of the lifting rope 14 passes through the limiting opening 9 and the limiting pipe 23 and is fixedly connected with the lifting hook 15, the number of the multi-section telescopic rods 10 is two, and the two multi-section telescopic rods 10 are respectively positioned at two sides of the limiting opening 9.
As shown in fig. 1, fig. 2 and fig. 4, the wheel groove 17 has all been seted up to the bottom surface of two bases 1, the inner wall of two wheel grooves 17 all is equipped with a plurality of removal wheels 16, motor chamber 18 has all been seted up to the inside of two bases 1, the equal fixedly connected with first motor 19 of below of two motor chamber 18 inner walls, the output of two first motors 19 is fixedly connected with connecting rod 20, the top of two connecting rods 20 all runs through the bottom surface of support frame 2 and respectively with the bottom fixed connection of two screw thread lead screw 4, the surface fixed connection of jack box 11 has backup pad 21, the top surface fixedly connected with second motor 22 of backup pad 21, the output of second motor 22 and the one end fixed connection of jack roller 25, the equal fixedly connected with connecting plate 27 of one side of two support frames 2, the opposite side of two connecting plates 27 is equipped with screw drive pole 29 jointly, the pole wall of screw drive pole 29 and the inner wall threaded connection of screw hole piece 26, the one side fixedly connected with third motor 28 of one of connecting plate 27, the output of third motor 28 and one end of screw drive pole 29 are fixed connection, can make this hoist or the more normal operation of this hoist, and the function of this hoist can be guaranteed to the normal operation more, and the function of this hoist can be improved when this hoist is more guaranteed.
The working principle of the utility model is as follows: when the crane is used, the lifting hook 15 and cargoes are fixed, the two first motors 19 are started to drive the two connecting rods 20 to rotate, the two threaded screw rods 4 are driven to rotate through the two connecting rods 20, then the supporting plate 6 is lifted to a proper height under the cooperation of the two threaded moving blocks 5 and the two threaded screw rods 4, then the two multi-section telescopic rods 10 shrink along with the lifting of the supporting plate 6, the second motors 22 are started again, the second motors 22 drive the lifting rollers 25 in the lifting box 11 to rotate, so that cargoes are smoothly lifted, after the cargoes are lifted to a certain height, the threaded transmission rods 29 are driven to rotate through the third motors 28, so that the lifting box 11 moves left and right on the I-beam 13 by utilizing the cooperation between the threaded transmission rods 29 and the threaded hole blocks 26 through the pulleys 24, when the lifting box 11 moves along with the lifting box 11, the two multi-section telescopic rods 10 fixed below enable the limiting plate 8 to keep the lifting box 11 to be aligned with the lifting box 11 at all times, and then the lifting rope is kept at the limiting position of the lifting box 11 to be aligned with the lifting rope 14 when the lifting rope is in a vertical state when the cargoes are lifted, and the cargoes are prevented from shaking at the lifting rope 14.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (9)
1. A universal gantry crane comprising two bases (1), characterized in that: two the top surface of base (1) is fixedly connected with support frame (2), two the common fixedly connected with I-beam (13) of relative one side of support frame (2), movable groove (12) have all been seted up to the two sides of I-beam (13), two the inner wall of movable groove (12) all is equipped with hoisting device, two elongated slot (3) have all been seted up to the inner wall of support frame (2), two the top surface and the bottom surface of elongated slot (3) inner wall all are equipped with screw thread lead screw (4) jointly, two the equal threaded connection of pole wall of screw thread lead screw (4) has screw thread movable block (5), two the common fixedly connected with layer board (6) of relative one side of screw thread movable block (5), opening (7) have been seted up on the surface of layer board (6), be equipped with stabilising arrangement on layer board (6).
2. A universal gantry crane according to claim 1, characterized in that: the lifting device comprises a plurality of pulleys (24), a lifting box (11), threaded hole blocks (26), lifting rollers (25) and lifting ropes (14), wherein the surfaces of the pulleys (24) are slidably connected with the inner wall of the movable groove (12), the pulleys (24) are arranged on one surface of the inner wall of the lifting box (11), the threaded hole blocks (26) are fixedly connected with one surface of the lifting box (11), the lifting rollers (25) are arranged on two surfaces of the inner wall of the lifting box (11) jointly, one end of each lifting roller (25) is rotatably connected with one surface of the inner wall of the lifting box (11), and the lifting ropes (14) are fixedly connected with the surface of each lifting roller (25).
3. A universal gantry crane according to claim 2, characterized in that: the stabilizing device comprises a limiting plate (8), a limiting pipe (23), a limiting opening (9) and a plurality of sections of telescopic rods (10), wherein the bottom surface of the limiting plate (8) is in sliding connection with one surface of the inner wall of a supporting plate (6), the limiting pipe (23) is fixedly connected with the bottom surface of the limiting plate (8), the limiting opening (9) is formed in the top surface of the limiting plate (8), the limiting opening (9) is opposite to the limiting pipe (23), the plurality of sections of telescopic rods (10) are fixedly connected with the top surface of the limiting plate (8), and the top ends of the plurality of sections of telescopic rods (10) are fixedly connected with the bottom surface of a lifting box (11).
4. A universal gantry crane according to claim 3, characterized in that: the bottom end of the lifting rope (14) passes through the limiting opening (9) and the limiting pipe (23) and is fixedly connected with the lifting hook (15).
5. A universal gantry crane according to claim 3, characterized in that: the number of the multi-section telescopic rods (10) is two, and the two multi-section telescopic rods (10) are respectively positioned at two sides of the limiting opening (9).
6. A universal gantry crane according to claim 1, characterized in that: wheel grooves (17) are formed in the bottom surfaces of the two bases (1), and a plurality of moving wheels (16) are arranged on the inner walls of the two wheel grooves (17).
7. A universal gantry crane according to claim 1, characterized in that: two motor cavity (18) have all been seted up to the inside of base (1), two the equal fixedly connected with first motor (19) of below in motor cavity (18) inner wall, two the equal fixedly connected with connecting rod (20) of output of first motor (19), two the top of connecting rod (20) all runs through the bottom surface of support frame (2) and respectively with the bottom fixed connection of two screw thread lead screw (4).
8. A universal gantry crane according to claim 2, characterized in that: the outer surface fixedly connected with backup pad (21) of jack box (11), the top surface fixedly connected with second motor (22) of backup pad (21), the output of second motor (22) and the one end fixed connection of jack roller (25).
9. A universal gantry crane according to claim 3, characterized in that: two equal fixedly connected with connecting plate (27) of one side of support frame (2), two the relative one side of connecting plate (27) is equipped with screw drive pole (29) jointly, the interior wall threaded connection of screw drive pole (29) pole wall and screw hole piece (26), one of them one side fixedly connected with third motor (28) of connecting plate (27), the output of third motor (28) is fixed connection with the one end of screw drive pole (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323429069.XU CN221440160U (en) | 2023-12-15 | 2023-12-15 | General portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323429069.XU CN221440160U (en) | 2023-12-15 | 2023-12-15 | General portal crane |
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| Publication Number | Publication Date |
|---|---|
| CN221440160U true CN221440160U (en) | 2024-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323429069.XU Active CN221440160U (en) | 2023-12-15 | 2023-12-15 | General portal crane |
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| CN (1) | CN221440160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119263115A (en) * | 2024-12-09 | 2025-01-07 | 江苏东禾特种设备科技有限公司 | Gantry crane with reduced shaking |
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2023
- 2023-12-15 CN CN202323429069.XU patent/CN221440160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119263115A (en) * | 2024-12-09 | 2025-01-07 | 江苏东禾特种设备科技有限公司 | Gantry crane with reduced shaking |
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