CN218320317U

CN218320317U - Mechanical height adjusting device for gantry crane

Info

Publication number: CN218320317U
Application number: CN202222440495.2U
Authority: CN
Inventors: 孙绵玉; 石贤林; 宋术丰; 李家健
Original assignee: Anhui Donghai Yuxiang Intelligent Equipment Technology Co ltd
Current assignee: Anhui Donghai Yuxiang Intelligent Equipment Technology Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-01-17
Anticipated expiration: 2032-09-15

Abstract

The utility model relates to a portal crane technical field, and a portal crane mechanical type height adjusting device is disclosed, including the movable box, support a section of thick bamboo, the lifter, a slide rail, the hoist and mount case, hoist and mount rope and lifting hook, it sets up in the top of movable box to support a fixed, the lifter inserts in the inside of supporting a section of thick bamboo, the slide rail is horizontal fixed and sets up between two lifters, the hoist and mount case slides and sets up on the slide rail, hoist and mount rope is fixed to set up in the bottom of hoist and mount case, the lifting hook is fixed to be set up in the lower extreme of hoist and mount rope, the fixed biax motor that is equipped with in top of slide rail, two outputs of biax motor are the fixed pivot that is equipped with all, the end of two pivots is all fixed and is equipped with first bevel gear, the fixed internal thread section of thick bamboo that is equipped with of lateral wall of support a section of thick bamboo, the internal thread section of thick bamboo's internal thread is equipped with the screw rod, the fixed second bevel gear that is equipped with in the upper end of screw rod. The utility model discloses a single motor synchronous drive's structure for the altitude mixture control steadiness of hoist and mount is higher, the cost reduction that needs the input simultaneously.

Description

Mechanical height adjusting device for gantry crane

Technical Field

The utility model relates to a portal crane technical field especially relates to a portal crane mechanical type height adjusting device.

Background

Gantry cranes are a variant of bridge cranes and are also called gantry cranes. The loading and unloading device is mainly used for loading and unloading outdoor goods yards, stock yards and bulk goods. The metal structure of the device is like a door-shaped frame, two support legs are arranged below a bearing main beam and can directly walk on a track on the ground, and overhanging cantilever beams can be arranged at two ends of the main beam. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards.

Among them, patent No. CN213171189U discloses: including lifter and fixed bolster, the bottom fixedly connected with of fixed bolster removes the case, top one side fixedly connected with cable case of removal case, the inner wall of cable case has the cable rope wheel through pivot swing joint, the top fixedly connected with cable pipe of cable case, the inside of cable pipe is provided with the hawser of being connected with the cable rope wheel, the bottom of lifter has the lifting wheel with hawser looks adaptation through bearing swing joint, one end of hawser and one side inner wall top fixed connection of fixed bolster, the opposite side inner wall top swing joint of fixed bolster has the idler with hawser looks adaptation, a side fixedly connected with lug of lifter.

Adopt two motors to carry out height control to the lifting hook simultaneously in foretell scheme, but two motors need synchronous control the ability, but the cost that two motor synchronous control need consume is higher, for this reason, the utility model provides a gantry crane mechanical type height adjusting device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the background art provided, and the mechanical height adjusting device of gantry crane who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a gantry crane mechanical height adjusting device comprises a moving box, a supporting cylinder, lifting rods, a slide rail, a hoisting box, hoisting ropes and a lifting hook, wherein the supporting cylinder is fixedly arranged at the top of the moving box, the lifting rods are inserted into the supporting cylinder, the slide rail is transversely and fixedly arranged between the two lifting rods, the hoisting box is slidably arranged on the slide rail, the hoisting ropes are fixedly arranged at the bottom of the hoisting box, the lifting hook is fixedly arranged at the lower end of the hoisting ropes, a double-shaft motor is fixedly arranged at the top of the slide rail, two output ends of the double-shaft motor are fixedly provided with a rotating shaft, two ends of the rotating shaft are fixedly provided with first bevel gears, the side wall of the supporting cylinder is fixedly provided with an internal thread cylinder, the internal thread of the internal thread cylinder is provided with a screw rod, the upper end of the screw rod is fixedly provided with a second bevel gear, the first bevel gears and the second bevel gears are meshed, the rod wall of the lifting rod is fixedly provided with a first fixing block which is arranged in a rotating mode with the screw rod, and the side wall of the supporting cylinder is provided with a limiting mechanism connected with the lifting rod.

Preferably, stop gear includes first circular telegram magnet, second circular telegram magnet, connecting rod, first rack and second rack, the mounting groove has been seted up to the pole wall of lifter, first rack is fixed to be set up in the inside of mounting groove, the fixed casing that is equipped with of lateral wall of a supporting cylinder, first circular telegram magnet is fixed to be set up on the inside wall of casing, the second circular telegram magnet is located one side of first circular telegram magnet, the connecting rod is the symmetry and fixes to set up on the lateral wall of second circular telegram magnet, and the other end of connecting rod extend to the inside of a supporting cylinder and with second rack fixed connection, first rack and the meshing of second rack set up, the pole wall cover of connecting rod is equipped with the spring, and the both ends of spring respectively with the inner wall fixed connection of second circular telegram magnet and casing.

Preferably, the first rack is a rack, and the second rack is a short rack.

Preferably, the first electromagnet and the second electromagnet are electrified and attracted.

Preferably, a second fixing block is fixedly arranged at the upper end of the lifting rod, and the rotating shaft is rotatably arranged inside the second fixing block.

Preferably, the supporting cylinder is a square cylinder, the lifting rod is a square rod, and the supporting cylinder is arranged in a sliding matching mode with the lifting rod.

Preferably, the double-shaft motor is a servo motor.

Preferably, the bottom of the moving box is provided with an electric driving wheel.

Preferably, the hoisting box is electrically driven to be connected with the sliding rail.

Compared with the prior art, the utility model provides a portal crane mechanical type height adjusting device possesses following beneficial effect:

1. this portal crane mechanical type height adjusting device, through the biax motor that is equipped with, the apparatus further comprises a rotating shaft, first bevel gear, the internal thread section of thick bamboo, the screw rod, second bevel gear and first fixed block, biax motor work can drive two pivots simultaneously and rotate, two pivots can drive two first bevel gear simultaneously and rotate, two first bevel gear can make two second bevel gear rotate, two second bevel gear can make two screw rods rotate simultaneously, because two screw rods set up with internal thread section of thick bamboo screw respectively, can make two screw rods go up and down at the inside spiral of internal thread section of thick bamboo, thereby can adjust the height of slide rail, make the height of lifting hook obtain adjusting.

2. This portal crane mechanical type height adjusting device, through first circular telegram magnet, second circular telegram magnet, connecting rod, first rack, second rack and the spring that is equipped with, the spring can apply elasticity for the second circular telegram magnet for the connecting rod drives the second rack removal and with the first rack toothing on the lifter, thereby can play spacing protection's effect to the lifter, ensures the stability of hoist and mount.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a single motor synchronous drive's structure for the altitude mixture control steadiness of hoist and mount is higher, the cost reduction that needs the input simultaneously.

Drawings

Fig. 1 is a schematic structural view of a mechanical height adjusting device of a gantry crane according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: 1. a mobile box; 2. a support cylinder; 3. a lifting rod; 4. a slide rail; 5. hoisting the box; 6. hoisting a rope; 7. a hook; 8. a double-shaft motor; 9. a rotating shaft; 10. a first bevel gear; 11. an internal thread cylinder; 12. a screw; 13. a second bevel gear; 14. a first fixed block; 15. a first electrification magnet; 16. a second electromagnet; 17. a connecting rod; 18. a first rack; 19. a second rack; 20. a spring; 21. a housing; 22. and a second fixed block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1, a portal crane mechanical type height adjusting device, including removal case 1, a support section of thick bamboo 2, lifter 3, slide rail 4, hoist and mount case 5, hoist and mount rope 6 and lifting hook 7, the bottom of removal case 1 is provided with the electricity drive wheel, support section of thick bamboo 2 is fixed to be set up in the top of removal case 1, lifter 3 inserts in the inside of support section of thick bamboo 2, support section of thick bamboo 2 adopts square section of thick bamboo, lifter 3 adopts square section of thick bamboo, support section of

thick bamboo

2 and 3 slip matching settings of lifter, slide rail 4 is horizontal fixed and sets up between two lifters 3, hoist and mount case 5 slides and sets up on slide rail 4, adopt the electricity drive to be connected between hoist and mount case 5 and the slide rail 4, hoist and mount rope 6 fixed the setting in the bottom of hoist and mount case 5, lifting hook 7 is fixed to be set up in the lower extreme of hoist and mount rope 6.

Example 2

Referring to fig. 1-2, a double-shaft motor 8 is fixedly arranged at the top of a sliding rail 4, the double-shaft motor 8 adopts a servo motor, two output ends of the double-shaft motor 8 are respectively and fixedly provided with a rotating shaft 9, the tail ends of the two rotating shafts 9 are respectively and fixedly provided with a first bevel gear 10, the side wall of a supporting cylinder 2 is fixedly provided with an internal thread cylinder 11, the internal thread of the internal thread cylinder 11 is provided with a screw 12, the upper end of the screw 12 is fixedly provided with a second bevel gear 13, the first bevel gear 10 and the second bevel gear 13 are meshed, the rod wall of a lifting rod 3 is fixedly provided with a first fixing block 14 which is rotatably arranged with the screw 12, the upper end of the lifting rod 3 is fixedly provided with a second fixing block 22, the rotating shaft 9 is rotatably arranged inside the second fixing block 22, and the side wall of the supporting cylinder 2 is provided with a limiting mechanism connected with the lifting rod 3.

Example 3

Referring to fig. 3, the limiting mechanism includes a first electromagnet 15, a second electromagnet 16, a connecting rod 17, a first rack 18 and a second rack 19, a mounting groove is formed in a rod wall of the lifting rod 3, the first rack 18 is fixedly arranged in the mounting groove, a casing 21 is fixedly arranged on a side wall of the support cylinder 2, the first electromagnet 15 is fixedly arranged on an inner side wall of the casing 21, the second electromagnet 16 is located on one side of the first electromagnet 15, the first electromagnet 15 and the second electromagnet 16 are electrified and adsorbed, the connecting rod 17 is symmetrically and fixedly arranged on a side wall of the second electromagnet 16, the other end of the connecting rod 17 extends to the inside of the support cylinder 2 and is fixedly connected with the second rack 19, the first rack 18 and the second rack 19 are meshed, the first rack 18 is a rack, the second rack 19 is a short rack, the rod wall of the connecting rod 17 is sleeved with a spring 20, and two ends of the spring 20 are fixedly connected with inner walls of the second electromagnet 16 and the casing 21 respectively.

The utility model discloses in, when the hoist and mount height needs to be adjusted, switch on the power of first circular telegram magnet 15 and second circular telegram magnet 16, first circular telegram magnet 15 can adsorb second circular telegram magnet 16 and remove, second circular telegram magnet 16 drives second rack 19 through connecting rod 17 and separates with first rack 18, remove the spacing between support cylinder 2 and lifter 3 this moment, then open biax motor 8 work, biax motor 8 can drive two pivot 9 simultaneously and rotate, two pivot 9 can drive two first bevel gears 10 simultaneously and rotate, two first bevel gears 10 can make two second bevel gears 13 rotate, two second bevel gears 13 can make two screw rods 12 rotate simultaneously, because two screw rods 12 set up with internal thread barrel 11 screw respectively, can make two screw rods 12 go up and down in the inside spiral of internal thread barrel 11, thereby can adjust the height of slide rail 4, make the height of lifting hook obtain adjusting; after the height adjustment is appropriate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a portal crane mechanical type height adjusting device, is including removing case (1), a support section of thick bamboo (2), lifter (3), slide rail (4), hoist and mount case (5), hoist and mount rope (6) and lifting hook (7), a serial communication port, support a fixed the setting in the top of removing case (1) of section of thick bamboo (2), lifter (3) insert in the inside of supporting a section of thick bamboo (2), slide rail (4) are horizontal fixed set up in two between lifter (3), hoist and mount case (5) slide and set up on slide rail (4), hoist and mount rope (6) are fixed to be set up in the bottom of hoist and mount case (5), lifting hook (7) are fixed to be set up in the lower extreme of hoist and mount rope (6), the fixed biax motor (8) that is equipped with in the top of slide rail (4), two outputs of biax motor (8) are all fixed and are equipped with pivot (9), two the end of pivot (9) is all fixed and is equipped with first bevel gear (10), the lateral wall of a fixed section of thick bamboo (2) is equipped with internal thread section of thick bamboo (11), the internal thread section of thick bamboo (11) is equipped with second bevel gear (12), fixed screw rod (13) and second bevel gear (13) upper end and first bevel gear (13) that first bevel gear (13) set up and first bevel gear (13) and second bevel gear meshing, bevel gear (13) set up and first bevel gear (13) and second bevel gear (13) of bevel gear meshing, bevel gear (13) set up The side wall of the supporting cylinder (2) is provided with a limiting mechanism connected with the lifting rod (3).

2. The gantry crane mechanical height adjusting device of claim 1, wherein the limiting mechanism comprises a first energized magnet (15), a second energized magnet (16), a connecting rod (17), a first rack (18) and a second rack (19), a mounting groove is formed in the rod wall of the lifting rod (3), the first rack (18) is fixedly arranged inside the mounting groove, a casing (21) is fixedly arranged on the side wall of the supporting cylinder (2), the first energized magnet (15) is fixedly arranged on the inner side wall of the casing (21), the second energized magnet (16) is located on one side of the first energized magnet (15), the connecting rod (17) is symmetrically and fixedly arranged on the side wall of the second energized magnet (16), the other end of the connecting rod (17) extends into the supporting cylinder (2) and is fixedly connected with the second rack (19), the first rack (18) and the second rack (19) are meshed, a spring (20) is sleeved on the rod wall of the connecting rod (17), and the two ends of the spring (20) are respectively fixedly connected with the inner wall of the second energized magnet (16) and the casing (21).

3. Mechanical height adjusting device for gantry cranes, according to claim 2, characterized in that the first rack (18) is a rack and the second rack (19) is a short rack.

4. The gantry crane mechanical height adjusting device of claim 2, wherein the first energized magnet (15) and the second energized magnet (16) are energized and attracted.

5. The gantry crane mechanical height adjusting device of claim 1, wherein a second fixed block (22) is fixedly arranged at the upper end of the lifting rod (3), and the rotating shaft (9) is rotatably arranged inside the second fixed block (22).

6. The gantry crane mechanical height adjusting device as claimed in claim 1, wherein the supporting cylinder (2) is a square cylinder, the lifting rod (3) is a square rod, and the supporting cylinder (2) and the lifting rod (3) are slidably matched.

7. A gantry crane mechanical height adjusting device according to claim 1, wherein the dual-shaft motor (8) is a servo motor.

8. Mechanical height adjustment device for gantry cranes, according to claim 1, characterized in that the bottom of the moving box (1) is provided with electric driving wheels.

9. The gantry crane mechanical height adjusting device according to claim 1, wherein the hoisting box (5) is electrically driven to connect with the slide rail (4).