CN216190907U - Climbing device with protective structure for portal crane - Google Patents

Abstract

The utility model relates to the technical field of climbing devices for gantry cranes, in particular to a climbing device with a protective structure for a gantry crane, which comprises a crane main body, wherein three groups of telescopic rods are fixedly arranged at the top inside the crane main body, lifting plates are fixedly connected to the bottoms of the three groups of telescopic rods, four groups of sliding grooves are formed in the bottoms of the lifting plates, sliding blocks are arranged inside the sliding grooves, first clamping blocks are fixedly arranged at the bottoms of the four groups of sliding blocks, four groups of sliding grooves are arranged at the bottom of the lifting plate, sliding blocks are arranged inside the sliding grooves, and second clamping blocks are fixedly arranged at the bottoms of the four groups of sliding blocks. The device can save time and labor and bring convenience for operators to enter the operation room of the bridge-gate crane, can better protect the operators and prevent accidents during the process of entering the operation room, and meanwhile, the device is provided with a device for increasing the stability, so that the stability of the device when the operators enter the high altitude can be improved, and the safety of the operators is improved.

Description

Climbing device with protective structure for portal crane

Technical Field

The utility model relates to the technical field of climbing devices for portal cranes, in particular to a climbing device with a protective structure for a portal crane.

Background

The gantry crane is characterized in that a cross frame is arranged above a large field to hoist materials, and a running track laid by a bridge frame of the gantry crane reciprocates, so that the space below the bridge frame can be fully utilized to transport the materials, and the gantry crane is not influenced by ground equipment.

At present stage gantry crane's control chamber is at the top of equipment, need operating personnel self to climb the top, gantry crane's top height is higher, personnel can appear the physical stamina not enough midway in the climbing, and can not obtain better protection at the in-process that gets into the control chamber, also lead to personnel to be unexpected easily, simultaneously in the in-process of climbing because highly higher and wind speed is great can lead to operating personnel to stand not stable enough, lead to personnel to be unexpected, to this, we need provide a gantry crane with protective structure and use climbing device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a climbing device with a protective structure for a portal crane, which aims to solve the problems of insufficient stability and insufficient protection of equipment in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a climbing device with a protective structure for a portal crane comprises a lifter main body, wherein three groups of telescopic rods are fixedly mounted at the top inside the lifter main body, lifting plates are fixedly connected to the bottoms of the three groups of telescopic rods, four groups of sliding grooves are formed in the bottoms of the lifting plates, sliding blocks are arranged in the sliding grooves, first clamping blocks are fixedly mounted at the bottoms of the four groups of sliding blocks, four groups of sliding grooves are formed in the bottoms of the lifting plates, sliding blocks are arranged in the sliding grooves, second clamping blocks are fixedly mounted at the bottoms of the four groups of sliding blocks, racks are fixedly connected to opposite surfaces of the four groups of second clamping blocks and the four groups of first clamping blocks, four groups of first motors are mounted at the bottom of the lifting plates, first gears are fixedly mounted at output ends of the four groups of first motors, the first gears are meshed with the racks, and limit blocks are fixedly mounted at the bottom inside the lifter main body, the bottom inside the elevator main body is provided with a sliding groove, a sliding block is arranged inside the sliding groove, a pushing block is fixedly arranged at the top of the sliding block, the top of the pushing block is provided with a sliding groove, the sliding block is arranged inside the sliding groove, a supporting column is fixedly arranged at the top of the sliding block, the other end of the supporting column penetrates through a limiting block, the upper end of the supporting column is fixedly connected with the lower surface of the lifting plate, a rack column is fixedly connected with the left side surface of the pushing block, a second motor is fixedly arranged at the bottom inside the elevator main body, the output end of the second motor is fixedly connected with a second gear, the second gear is meshed with the rack column and connected with the rack column, a connecting plate is fixedly arranged at the top of the elevator main body, a third motor is fixedly arranged on the front side surface inside the connecting plate, the output end of the third motor is fixedly connected with a threaded rod, and the other end of the threaded rod is rotatably connected with the rear side surface of the connecting plate, the utility model discloses a safety protection device for elevator, including threaded rod, installation piece, connecting plate, stopper, slider, installation piece, connecting plate, stopper, installation piece, connecting plate, slider, installation piece, elevator main part guardrail, elevator main part, elevator and elevator main part, the surface cover of threaded rod is equipped with the installation piece, and the surface of threaded rod is connected with the inner wall meshing of installation piece, the inner wall joint of connecting plate has two gag lever posts, and two gag lever posts set up the both sides at the third motor to the gag lever posts all runs through the installation piece, the top of connecting plate is provided with two spouts, and the inside of spout all is provided with the slider, and the top fixed mounting of slider has a main part guardrail, and the bottom of main part guardrail is fixed connection, the four corners department of elevator main part bottom all is provided with the removal wheel.

Preferably, the length of the rack arranged on the first clamping block and the second clamping block is longer than the radius of the moving wheel, and the first clamping block and the second clamping block are L-shaped.

Preferably, the other end of the threaded rod is provided with a bearing, and the outer surface of the bearing is fixedly connected with the rear side face of the connecting plate.

Preferably, the top of the push block is arc-shaped, and the height of the arc-shaped is smaller than the longest telescopic length of the telescopic rod.

Preferably, the right side surface of the first clamping block is arc-shaped, the left side surface of the second clamping block is arc-shaped, and the arc shape of the first clamping block is consistent with the arc shape of the second clamping block and the arc shape of the moving wheel.

Preferably, the lifting plate is I-shaped, and four end points of the I-shaped are corresponding to the four groups of first clamping blocks and second clamping blocks.

Compared with the prior art, the utility model has the beneficial effects that: the device can save time and labor and bring convenience for operators to enter the operation room of the bridge-gate crane, can better protect the operators and prevent accidents during the process of entering the operation room, and meanwhile, the device is provided with a device for increasing the stability, so that the stability of the device when the operators enter the high altitude can be improved, and the safety of the operators is improved;

1. the equipment can drive the threaded rod 17 to rotate through the rotation of the third motor 16, so that the mounting block 19 can rotate, but the two ends of the mounting block 19 are limited by the limiting rod 18, so that the mounting block 19 can move back and forth in the connecting plate 15, and the top of the mounting block 19 is connected with the main guardrail 20 in the moving process, so that the main guardrail 20 can be pushed to move back and forth, and the main guardrail 20 can be directly aligned to an operation room of the portal crane under the cooperation of the component, so that personnel can be protected, the personnel can be prevented from being injured, and the accident of the personnel entering the operation room can be reduced;

2. this equipment can make second gear 14 rotate through second motor 13, thereby drive second gear 14 and remove left, make ejector pad 11 also remove left under the promotion of rack post 12, because ejector pad 11 top is circular-arcly, thereby make support column 10 move down with lifter plate 3 under the spacing effect of stopper 9, when first clamp splice 4 and second clamp splice 5 contact ground, first motor 6 begins work and drives first gear 8 and rotate, thereby make rack 7 remove to the centre, thereby drive first clamp splice 4 and second clamp splice 5 and remove to the centre, when the tire on first clamp splice 4 right flank and the left surface of second clamp splice 5 are close to lift main part 1, can consolidate lift main part 1 from this, thereby increase stability.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic sectional elevation view of the structure of the present invention;

FIG. 4 is a schematic side sectional view of the structure of the present invention;

FIG. 5 is a schematic top cross-sectional view of the structure of the present invention;

FIG. 6 is a schematic top cross-sectional view of the structure of the present invention;

FIG. 7 is an enlarged view of the structure A in FIG. 3 according to the present invention.

In the figure: 1. an elevator main body; 2. a telescopic rod; 3. a lifting plate; 4. a first clamping block; 5. a second clamp block; 6. a first motor; 7. a rack; 8. a first gear; 9. a limiting block; 10. a support pillar; 11. a push block; 12. a rack post; 13. a second motor; 14. a second gear; 15. connecting blocks; 16. a third motor; 17. a threaded rod; 18. a limiting rod; 19. mounting blocks; 20. a main body guardrail; 21. the wheel is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown:

a climbing device with a protective structure for a portal crane comprises a lifter main body 1, three groups of telescopic rods 2 are fixedly installed at the top inside the lifter main body 1, lifting plates 3 are fixedly connected to the bottoms of the three groups of telescopic rods 2, four groups of sliding grooves are formed in the bottoms of the lifting plates 3, sliding blocks are arranged inside the sliding grooves, first clamping blocks 4 are fixedly installed at the bottoms of the four groups of sliding blocks, four groups of sliding grooves are arranged at the bottom of the lifting plate 3, sliding blocks are arranged inside the sliding grooves, second clamping blocks 5 are fixedly installed at the bottoms of the four groups of sliding blocks, racks 7 are fixedly connected to the opposite surfaces of the four groups of second clamping blocks 5 and the four groups of first clamping blocks 4, four groups of first motors 6 are installed at the bottom of the lifting plate 3, first gears 8 are fixedly installed at the output ends of the four groups of first motors 6, the first gears 8 are meshed with the racks 7, and limiting blocks 9 are fixedly installed at the bottom inside the lifter main body 1, the bottom inside the elevator main body 1 is provided with a sliding groove, a sliding block is arranged inside the sliding groove, a pushing block 11 is fixedly arranged at the top of the sliding block, the top of the pushing block 11 is provided with a sliding groove, the sliding block is arranged inside the sliding groove, a supporting column 10 is fixedly arranged at the top of the sliding block, the other end of the supporting column 10 penetrates through a limiting block 9, the upper end of the supporting column 10 is fixedly connected with the lower surface of the lifting plate 3, a rack column 12 is fixedly connected with the left side surface of the pushing block 11, a second motor 13 is fixedly arranged at the bottom inside the elevator main body 1, a second gear 14 is fixedly connected with the output end of the second motor 13, the second gear 14 is meshed with the rack column 12, a connecting plate 15 is fixedly arranged at the top of the elevator main body 1, a third motor 16 is fixedly arranged at the front side surface inside the connecting plate 15, a threaded rod 17 is fixedly connected with the output end of the third motor 16, and the other end of the threaded rod 17 is rotatably connected with the rear side surface of the connecting plate 15, the outer surface of the threaded rod 17 is sleeved with an installation block 19, the outer surface of the threaded rod 17 is meshed and connected with the inner wall of the installation block 19, the inner wall of the connecting plate 15 is clamped with two limiting rods 18, the two limiting rods 18 are arranged on two sides of the third motor 16, the limiting rods 18 penetrate through the installation block 19, two sliding grooves are formed in the top of the connecting plate 15, sliding blocks are arranged inside the sliding grooves, a main guardrail 20 is fixedly arranged on the top of each sliding block, the bottom of each main guardrail 20 is fixedly connected with the top of the installation block 19, and moving wheels 21 are arranged at four corners of the bottom of the elevator main body 1;

furthermore, the length of the rack 7 arranged on the first clamping block 4 and the second clamping block 5 is longer than the radius of the moving wheel 21, and the first clamping block 4 and the second clamping block 5 are L-shaped, so that the first clamping block 4 and the second clamping block 5 can move upwards through the set length, and the moving wheel 21 is prevented from blocking the first clamping block 4 and the second clamping block 5 to move upwards;

furthermore, a bearing is arranged at the other end of the threaded rod 17, and the outer surface of the bearing is fixedly connected with the rear side surface of the connecting plate 15, so that the stability of the threaded rod 17 can be improved, and meanwhile, the threaded rod 17 can be kept to rotate continuously;

furthermore, the top of the push block 11 is arc-shaped, and the height of the arc is smaller than the longest telescopic length of the telescopic rod 2, so that the telescopic rod 2 cannot be damaged when the first clamping block 4 and the second clamping block 5 move upwards;

furthermore, the right side of the first clamping block 4 is arc-shaped, the left side of the second clamping block 5 is arc-shaped, and the arc shape of the first clamping block 4 is consistent with the arc shape of the second clamping block 5 with the radian of the moving wheel 21, so that the moving wheel 21 can be limited, and the stress area of the equipment can be increased, and the stability of the equipment is improved;

furthermore, the lifting plate 3 is I-shaped, and four end points of the I-shaped correspond to the four groups of the first clamping blocks 4 and the second clamping blocks 5, so that the material is saved, the weight is reduced, the stress of the telescopic rod 2 is smaller, the service life of the telescopic rod is prolonged, and the pressure on the support column 10 and the push block 11 is reduced.

The working principle is as follows: when the device is used, after the elevator main body 1 is placed at a proper position, the second motor 13 starts to work to enable the second gear 14 to rotate, so as to drive the rack post 12 to move leftwards, so as to enable the push block 11 to move leftwards under the pushing of the rack post 12, as the top of the push block 11 is arc-shaped, the support column 10 moves downwards under the limiting action of the limiting block 9 so as to enable the lifting plate 3 to move downwards, when the first clamping block 4 and the second clamping block 5 contact the ground, the first motor 6 starts to work to drive the first gear 8 to rotate, so as to enable the rack 7 to move towards the middle, so as to drive the first clamping block 4 and the second clamping block 5 to move towards the middle, when the right side surface of the first clamping block 4 and the left side surface of the second clamping block 5 are close to the moving wheel 21 on the elevator main body 1, the elevator main body 1 can be reinforced, so as to increase the stability, and prevent the integral stability caused by external factors such as wind power and the like from being insufficient, at the moment, after the elevator main body 1 starts to work and sends the connecting plate 15 to the height same as that of an operation chamber of the gantry crane, the third motor 16 starts to work to drive the threaded rod 17 to rotate, so that the mounting block 19 moves back and forth under the limiting effect of the limiting rod 18, the main body guardrail 20 at the top of the mounting block 19 starts to move back and forth, and an operator enters the operation chamber after the main body guardrail 20 moves to be aligned with the operation chamber of the gantry crane, so that the operator can be protected from being injured due to accidents after entering the operation chamber.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a climbing device for gantry crane with protective structure, includes lift main part (1), its characterized in that: the top of the interior of the elevator main body (1) is fixedly provided with three groups of telescopic rods (2), the bottoms of the three groups of telescopic rods (2) are fixedly connected with an elevating plate (3), the bottom of the elevating plate (3) is provided with four groups of sliding chutes, the interiors of the sliding chutes are respectively provided with a sliding block, the bottoms of the four groups of sliding blocks are respectively fixedly provided with a first clamping block (4), the bottom of the elevating plate (3) is provided with four groups of sliding chutes, the interiors of the sliding chutes are respectively provided with a sliding block, the bottoms of the four groups of sliding blocks are respectively fixedly provided with a second clamping block (5), the opposite surfaces of the four groups of second clamping blocks (5) and the four groups of first clamping blocks (4) are respectively fixedly connected with a rack (7), the bottom of the elevating plate (3) is provided with four groups of first motors (6), the output ends of the four groups of first motors (6) are respectively fixedly provided with a first gear (8), and the first gears (8) are meshed with the racks (7), a limiting block (9) is fixedly mounted at the bottom inside the elevator main body (1), a sliding groove is formed in the bottom inside the elevator main body (1), a sliding block is arranged inside the sliding groove, a pushing block (11) is fixedly mounted at the top of the sliding block, a sliding block is arranged inside the sliding groove, a supporting column (10) is fixedly mounted at the top of the sliding block, the other end of the supporting column (10) penetrates through the limiting block (9), the upper end of the supporting column (10) is fixedly connected with the lower surface of the lifting plate (3), a rack column (12) is fixedly connected to the left side surface of the pushing block (11), a second motor (13) is fixedly mounted at the bottom inside the elevator main body (1), a second gear (14) is fixedly connected to the output end of the second motor (13), and the second gear (14) is meshed with the rack column (12), the elevator is characterized in that a connecting plate (15) is fixedly mounted at the top of the elevator main body (1), a third motor (16) is fixedly mounted on the front side face inside the connecting plate (15), a threaded rod (17) is fixedly connected to the output end of the third motor (16), the other end of the threaded rod (17) is rotatably connected with the rear side face of the connecting plate (15), a mounting block (19) is sleeved on the outer surface of the threaded rod (17), the outer surface of the threaded rod (17) is meshed with the inner wall of the mounting block (19) and connected with the inner wall of the mounting block, two limiting rods (18) are clamped on the inner wall of the connecting plate (15), the two limiting rods (18) are arranged on two sides of the third motor (16), the limiting rods (18) penetrate through the mounting block (19), two sliding grooves are formed in the top of the connecting plate (15), sliding blocks are arranged inside the sliding grooves, and main body guardrails (20) are fixedly mounted on the top of the sliding blocks, and the bottom of the main body guardrail (20) is fixedly connected with the top of the mounting block (19), and the four corners of the bottom of the elevator main body (1) are provided with moving wheels (21).

2. The climbing device with the protective structure for the bridge-gate crane according to claim 1, characterized in that: the length of the rack (7) arranged on the first clamping block (4) and the second clamping block (5) is longer than the radius of the moving wheel (21), and the first clamping block (4) and the second clamping block (5) are L-shaped.

3. The climbing device with the protective structure for the bridge-gate crane according to claim 1, characterized in that: the other end of the threaded rod (17) is provided with a bearing, and the outer surface of the bearing is fixedly connected with the rear side face of the connecting plate (15).

4. The climbing device with the protective structure for the bridge-gate crane according to claim 1, characterized in that: the top of the push block (11) is arc-shaped, and the height of the arc-shaped is smaller than the longest telescopic length of the telescopic rod (2).

5. The climbing device with the protective structure for the bridge-gate crane according to claim 1, characterized in that: the right side surface of the first clamping block (4) is arc-shaped, the left side surface of the second clamping block (5) is arc-shaped, and the arc shape of the first clamping block (4) is consistent with the arc shape of the second clamping block (5) and the arc of the moving wheel (21).

6. The climbing device with the protective structure for the bridge-gate crane according to claim 1, characterized in that: the lifting plate (3) is I-shaped, and four end points of the I-shaped are corresponding to the four groups of first clamping blocks (4) and second clamping blocks (5).

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