CN221116762U

CN221116762U - Portal crane with adjustable height

Info

Publication number: CN221116762U
Application number: CN202322871429.5U
Authority: CN
Inventors: 崔主仆
Original assignee: Hebei Dawei Hoisting Machinery Manufacturing Co ltd
Current assignee: Hebei Dawei Hoisting Machinery Manufacturing Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-06-11
Anticipated expiration: 2033-10-25

Abstract

The utility model discloses a gantry crane with adjustable height, which comprises a transverse frame, wherein two threaded columns are fixedly connected to the bottom of the transverse frame, fixed columns are arranged at the bottoms of the two threaded columns, connecting grooves are formed in the two fixed columns, the threaded columns are respectively sleeved in the two connecting grooves, lifting mechanisms for lifting the two threaded columns are arranged in the two fixed columns, bases are fixedly connected to the bottoms of the two fixed columns, supporting frames are fixedly connected to the two ends of the top of the base, two second rollers are respectively arranged on the surfaces of the bases in a sliding mode, far away from the two sides of the base, moving mechanisms are respectively arranged in the bases, lifting devices are horizontally arranged at the bottoms of the transverse frame in a sliding mode, and sliding mechanisms of sliding lifting devices are arranged in the transverse frame. According to the utility model, through the arrangement of the four second rollers, the device can be moved when not in use, so that the convenience of the device is improved.

Description

Portal crane with adjustable height

Technical Field

The utility model relates to the technical field of gantry cranes, in particular to a gantry crane with adjustable height.

Background

The gantry crane, also called bridge crane, is a kind of common hoisting equipment, it is made up of bridge frame, cart, hoisting mechanism and electrical equipment, etc., the bridge frame is the main body part of the gantry crane, usually made up of two pillars and a crossbeam, the pillar is installed on ground, the crossbeam spans between two pillars, form a bridge-shaped structure, the gantry crane is mainly used for cargo lifting and carrying in the industrial field, have the advantage such as the lifting capacity is large, the operation range is wide, the operation is steady, it is widely used in places such as ports, wharfs, factories, warehouse.

But current partial gantry crane still does not possess the height-adjusting function, leads to being more restricted when the reality uses, and current some devices moreover can not very convenient when not using remove it, can be more occupation area when leading to not using, can be more troublesome when needs remove it again, still need remove with the help of other instruments, lead to having reduced the result of use of gantry crane, consequently, need to solve above problem.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a gantry crane with adjustable height.

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

The utility model provides a height-adjustable's portal crane, includes the crossbearer, crossbearer bottom fixedly connected with two screw thread posts, two screw thread post bottom all is equipped with the fixed column, two the spread groove has all been seted up to the fixed column is inside, two screw thread post overlaps respectively locates inside two spread grooves, two the inside elevating system who goes up and down two screw thread posts that all is equipped with of fixed column, two respectively fixedly connected with base in fixed column bottom, two the equal fixedly connected with support frame in base top both ends, two equal fixedly connected with in support frame top is on the fixed column surface, two the base surface is kept away from both sides each other and is all slided there are two second gyro wheels, two the inside moving mechanism that all is equipped with of base, crossbearer bottom horizontal slip has hoisting accessory, the inside sliding mechanism who is equipped with sliding hoisting accessory of crossbearer.

Preferably, the lifting mechanism comprises a connecting ring, the connecting ring is rotationally connected to the top of the fixed column, the connecting ring is matched with the threaded column, an outer tooth ring is sleeved on the surface of the connecting ring, a first motor is mounted on the surface of the fixed column, a gear is fixedly connected to an output shaft of the first motor, and the gear is meshed with the outer tooth ring.

Further, moving mechanism includes the backup pad, perpendicular groove has all been seted up vertically to base surface symmetry both sides, the inside vertical slip of base has two connecting blocks, two connecting block both ends slide respectively in four perpendicular inslot portions, two connecting block both ends fixedly connected with limiting plate respectively, four limiting plate slides respectively in base surface symmetry both sides, the backup pad is equipped with two, two the backup pad is fixedly connected with respectively in two limiting plate surfaces wherein, two second gyro wheels are fixedly connected with respectively in two backup pad bottoms, the inside rotation of base has the second lead screw, the inside opposite both sides of base are located to the second lead screw cover, base surface both ends all rotate the runner, two the runner is fixedly connected with respectively in second lead screw both ends, second lead screw surface cover is equipped with two second sliders, two the second slider all cooperatees with the second lead screw, two second slider bottoms articulate respectively has the connecting rod, two the connecting rod bottom articulates respectively in two connecting block tops.

Preferably, the sliding mechanism comprises a first sliding block, a sliding groove is formed in the transverse frame, the first sliding block slides in the sliding groove, moving grooves are formed in two symmetrical sides of the surface of the transverse frame, two first rolling wheels are arranged in the moving grooves in a rolling mode, four first rolling wheels are connected to the surface of the lifting device in a rotating mode, the first sliding block is fixedly connected to the surface of the lifting device, a first screw rod is arranged in the sliding groove in a rotating mode, two opposite ends of the sliding groove are sleeved at two ends of the first screw rod, the first sliding block is sleeved on the surface of the first screw rod and matched with the first screw rod, a second motor is arranged on the surface of the transverse frame, and an output shaft of the second motor is fixedly connected to one end of the first screw rod.

The beneficial effects of the utility model are as follows:

1. the two gears are driven to rotate through the two first motors, so that the two outer toothed rings and the connecting ring rotate, the two threaded columns and the transverse frame can be driven to slide upwards simultaneously, the height of the device is adjusted, and the practicability of the device is improved.

2. Any one of the rotating wheels on the surfaces of the two bases drives the second screw rod to rotate, simultaneously, the two second sliding blocks are mutually far away, under the action of the two connecting rods, the two connecting blocks are driven to slide downwards, and simultaneously, the four limiting plates and the two supporting plates are driven to slide downwards, so that the second rolling wheels are contacted with the ground, the four second rolling wheels are used for supporting the device, the device is enabled to move more conveniently, and convenience of the device is improved.

Drawings

Fig. 1 is a front view of a gantry crane with adjustable height according to the present utility model;

FIG. 2 is a cross-sectional view of a surface structure of a gantry crane with adjustable height according to the present utility model;

FIG. 3 is an enlarged view at A of FIG. 2;

fig. 4 is a schematic diagram of a sliding mechanism of a gantry crane with adjustable height according to the present utility model.

In the figure: 1. a base; 11. a vertical groove; 12. a support frame; 2. fixing the column; 21. a connecting groove; 22. a connecting ring; 23. an outer toothed ring; 24. a first motor; 25. a gear; 3. a threaded column; 4. a cross frame; 41. a chute; 42. a moving groove; 43. a first screw rod; 44. a second motor; 5. a lifting device; 51. a first roller; 52. a first slider; 6. a second roller; 61. a support plate; 62. a limiting plate; 63. a connecting block; 7. a second screw rod; 71. a rotating wheel; 72. a second slider; 73. and (5) connecting a 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.

Referring to fig. 1-4, a height-adjustable gantry crane, including crossbearer 4, crossbearer 4 bottom fixedly connected with two screw thread posts 3, two screw thread post 3 bottom all is equipped with fixed column 2, two connecting groove 21 has all been seted up to the inside of fixed column 2, two screw thread post 3 overlaps respectively and locates inside two connecting grooves 21, two the inside elevating system that goes up and down two screw thread posts 3 that all is equipped with of fixed column 2, two fixed column 2 bottom respectively fixedly connected with base 1, two equal fixedly connected with support frame 12 in base 1 top both ends, two equal fixedly connected with in support frame 12 top is on the fixed column 2 surface, two base 1 surface all slides in both sides that keep away from each other has two second gyro wheels 6, two the inside moving mechanism that all is equipped with of base 1, crossbearer 4 bottom horizontal slip has hoisting device 5, the inside sliding mechanism who is equipped with sliding hoisting device 5, through the setting of this device, can remove this device when not using to improve the convenience of this device.

Referring to fig. 1 and 2, in a preferred embodiment, the lifting mechanism comprises a connecting ring 22, the connecting ring 22 is rotatably connected to the top of the fixed column 2, the connecting ring 22 is matched with the threaded column 3, an external gear ring 23 is sleeved on the surface of the connecting ring 22, a first motor 24 is mounted on the surface of the fixed column 2, an output shaft of the first motor 24 is fixedly connected with a gear 25, and the gear 25 is meshed with the external gear ring 23 and used for limiting the rotation of the two connecting rings 22, so that the two threaded columns 3 are driven to slide upwards.

Referring to fig. 1-3, in a preferred embodiment, the moving mechanism includes a support plate 61, two connecting blocks 63 are vertically provided on two symmetrical sides of the surface of the base 1, two ends of the two connecting blocks 63 slide inside the four vertical grooves 11 respectively, two ends of the two connecting blocks 63 are fixedly connected with limiting plates 62 respectively, four limiting plates 62 slide on two symmetrical sides of the surface of the base 1, two support plates 61 are provided, two support plates 61 are fixedly connected to surfaces of two limiting plates 62 respectively, two second rollers 6 are fixedly connected to bottoms of the two support plates 61 respectively, a second screw rod 7 rotates inside the base 1, the second screw rod 7 is sleeved on two opposite sides inside the base 1, two rotating wheels 71 rotate on two ends of the surface of the base 1, two rotating wheels 71 are fixedly connected to two ends of the second screw rod 7 respectively, two second sliding blocks 72 are sleeved on the surface of the second screw rod 7, two second sliding blocks 72 are matched with the second screw rod 7, connecting rods 73 are hinged to bottoms of the two second sliding blocks 72 respectively, and bottom ends of the two connecting rods 73 are hinged to two top parts 63 respectively.

Referring to fig. 1 and 4, in a preferred embodiment, the sliding mechanism includes a first slider 52, a chute 41 is formed in the transverse frame 4, the first slider 52 slides in the chute 41, two symmetrical sides of the surface of the transverse frame 4 are respectively provided with a moving groove 42, two first rollers 51 roll in the two moving grooves 42, four first rollers 51 are respectively connected to the surface of the lifting device 5 in a rotating manner, the first slider 52 is fixedly connected to the surface of the lifting device 5, a first screw 43 rotates in the chute 41, two ends of the first screw 43 are sleeved at opposite ends in the chute 41, the first slider 52 is sleeved on the surface of the first screw 43, the first slider 52 is matched with the first screw 43, a second motor 44 is mounted on the surface of the transverse frame 4, and an output shaft of the second motor 44 is fixedly connected to one end of the first screw 43 for driving the lifting device 5 to slide horizontally.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: during practical use, through the setting of four second gyro wheels 6, can make the device remove more convenient, rotate the arbitrary runner 71 on two base 1 surfaces earlier when needs remove the device, thereby can drive second lead screw 7 and rotate, make two second sliders 72 keep away from each other simultaneously, under the effect of two connecting rods 73, will drive two connecting blocks 63 and slide downwards, drive four limiting plates 62 and two backup pads 61 simultaneously and slide downwards, thereby make second gyro wheel 6 contact with ground, thereby make four second gyro wheels 6 support the device, thereby make the device remove more convenient, thereby improve the convenience of device, then rethread drives two first motors 24 simultaneously and drives two gears 25 and rotate, thereby make two outer tooth ring 23 and go-between 22 rotate, can drive two screw thread post 3 and crossbearer 4 and upwards slide simultaneously, and then make the device height adjust, and then improve the practicality of the device.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a height-adjustable's portal crane, includes crossbearer (4), its characterized in that, crossbearer (4) bottom fixedly connected with two screw thread posts (3), two screw thread post (3) bottom all is equipped with fixed column (2), two connecting groove (21) have all been seted up to fixed column (2) inside, two screw thread post (3) cover respectively locates inside two connecting grooves (21), two fixed column (2) inside elevating system who goes up and down two screw thread posts (3) that all are equipped with, two fixed column (2) bottom fixedly connected with base (1) respectively, two equal fixedly connected with support frame (12) in base (1) top both ends, two equal fixedly connected with in fixed column (2) surface in support frame (12) top, two equal sliding in both sides are kept away from each other on base (1) surface have two second gyro wheels (6), two inside all are equipped with moving mechanism, crossbearer (4) bottom horizontal slip has hoisting accessory (5), inside elevating system (4) are equipped with.

2. The gantry crane with adjustable height according to claim 1, wherein the lifting mechanism comprises a connecting ring (22), the connecting ring (22) is rotatably connected to the top of the fixed column (2), the connecting ring (22) is matched with the threaded column (3), an outer tooth ring (23) is sleeved on the surface of the connecting ring (22), a first motor (24) is mounted on the surface of the fixed column (2), a gear (25) is fixedly connected to an output shaft of the first motor (24), and the gear (25) is meshed with the outer tooth ring (23).

3. The gantry crane with adjustable height according to claim 1, wherein the moving mechanism comprises a supporting plate (61), vertical grooves (11) are vertically formed in two symmetrical sides of the surface of the base (1), two connecting blocks (63) vertically slide in the base (1), two ends of the two connecting blocks (63) respectively slide in the four vertical grooves (11), two ends of the two connecting blocks (63) are respectively fixedly connected with limiting plates (62), four limiting plates (62) respectively slide on two symmetrical sides of the surface of the base (1), two supporting plates (61) are arranged, two supporting plates (61) are respectively fixedly connected to the surfaces of the two limiting plates (62), and two second rollers (6) are respectively fixedly connected to the bottoms of the two supporting plates (61).

4. A gantry crane with adjustable height according to claim 3, characterized in that the second screw rod (7) rotates inside the base (1), the second screw rod (7) is sleeved on two opposite sides inside the base (1), the two ends of the surface of the base (1) rotate with rotating wheels (71), the two rotating wheels (71) are respectively and fixedly connected with two ends of the second screw rod (7), the two second sliding blocks (72) are sleeved on the surface of the second screw rod (7), the two second sliding blocks (72) are matched with the second screw rod (7), the bottoms of the two second sliding blocks (72) are respectively hinged with connecting rods (73), and the bottoms of the two connecting rods (73) are respectively hinged to the tops of the two connecting blocks (63).

5. The gantry crane with adjustable height according to claim 1, wherein the sliding mechanism comprises a first sliding block (52), a sliding groove (41) is formed in the transverse frame (4), the first sliding block (52) slides in the sliding groove (41), moving grooves (42) are formed in two symmetrical sides of the surface of the transverse frame (4), two first rolling wheels (51) roll in the moving grooves (42), and four first rolling wheels (51) are rotatably connected to the surface of the lifting device (5).

6. The gantry crane with adjustable height according to claim 5, wherein the first slider (52) is fixedly connected to the surface of the lifting device (5), the first screw rod (43) is rotated inside the sliding groove (41), two ends of the first screw rod (43) are sleeved at two opposite ends inside the sliding groove (41), the first slider (52) is sleeved on the surface of the first screw rod (43), the first slider (52) is matched with the first screw rod (43), the second motor (44) is mounted on the surface of the cross frame (4), and the output shaft of the second motor (44) is fixedly connected to one end of the first screw rod (43).