CN221191288U

CN221191288U - Lifting machinery base

Info

Publication number: CN221191288U
Application number: CN202323174057.7U
Authority: CN
Inventors: 张娟; 庄严; 焦海洋; 周洪正
Original assignee: Linyi Special Equipment Inspection And Research Institute
Current assignee: Linyi Special Equipment Inspection And Research Institute
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-06-21
Anticipated expiration: 2033-11-24

Abstract

The utility model belongs to the technical field of lifting, and particularly relates to a lifting machinery base. Including bottom plate and bottom plate upper surface fixed setting's mount pad, the bottom plate edge is fixed to be provided with the support frame, support frame lower part one side rotates and is connected with the gyro wheel, the bottom plate below is provided with the fly leaf, fixed surface installs the pneumatic cylinder on the fly leaf, the fly leaf outside is provided with the direction subassembly that is used for restricting the fly leaf direction of motion, the bottom plate below is provided with the supporting mechanism who is used for propping up the bottom plate. According to the utility model, the support frame is fixedly arranged on the edge of the bottom plate, and the lower part of the support frame is rotatably connected with the roller, so that the flexibility of the crane can be improved; through setting up supporting mechanism for folding supporting leg upper segment and supporting leg lower segment expand, and then make the gyro wheel break away from ground, guaranteed the stability of hoist during operation. The utility model not only ensures the stability of the hoisting machinery during operation, but also solves the problem of poor flexibility of the hoisting machinery.

Description

Lifting machinery base

Technical Field

The utility model belongs to the technical field of lifting, and particularly relates to a lifting machinery base.

Background

Lifting machines are mechanical devices that suspend and operate weights by means of a spreader, and are classified into many types. The lifting machinery is operated and unloaded after the lifting appliance hangs the heavy objects, then returns to the material taking place to hang the heavy objects again and then operated and unloaded, and the circulating operation is carried out.

Generally, the hoisting machine working mechanism mainly comprises a lifting mechanism, an operating mechanism, an amplitude changing mechanism and a rotating mechanism, and the base is a bottom balance supporting structure of the hoisting machine. Most of the existing hoisting machines are fixed hoisting machines, and the fixed hoisting machines have good stability performance but poor flexibility.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the lifting machinery base, which not only ensures the stability of the lifting machinery during working, but also solves the problem of poor flexibility of the lifting machinery.

The utility model provides the following technical scheme:

The lifting machinery base comprises a base plate and a mounting seat fixedly arranged on the upper surface of the base plate, wherein a supporting frame is fixedly arranged on the edge of the base plate, one side of the lower part of the supporting frame is rotationally connected with a roller, a movable plate is arranged below the base plate, a hydraulic cylinder is fixedly arranged on the upper surface of the movable plate, a guide assembly used for limiting the movement direction of the movable plate is arranged outside the movable plate, and a supporting mechanism used for supporting the base plate is arranged below the base plate.

Further, the guide assembly comprises a guide rod and a guide sleeve, the guide rod is fixedly arranged on the lower surface of the bottom plate, the guide sleeve is fixedly arranged at the corner of the movable plate, and the guide sleeve is sleeved outside the guide rod.

Further, supporting mechanism includes supporting leg upper segment, supporting leg lower segment and spacing pit, supporting leg upper segment rectangle distributes at the bottom plate lower surface, and supporting leg upper segment is articulated with the bottom plate, the supporting leg lower segment sets up the one end of keeping away from the bottom plate at the supporting leg upper segment, spacing pit is offered and is close to the one end of supporting leg upper segment at the supporting leg lower segment, and supporting leg upper segment swing joint is inside spacing pit.

Further, the supporting mechanism further comprises a first connecting shaft, the first connecting shaft is arranged between the two upper supporting leg sections with the overlapped rotating shafts, one end of the first connecting shaft is inserted into one end, far away from the bottom plate, of the upper supporting leg section, and the lower supporting leg section is rotatably connected to the outer side of the first connecting shaft.

Further, the supporting mechanism further comprises a second connecting shaft and a connecting rod, the second connecting shaft is arranged below the connecting shaft in parallel, the second connecting shaft is inserted into the middle of the lower section of the supporting leg, the connecting rod is rotationally connected to the middle of the second connecting shaft, and one end, away from the second connecting shaft, of the connecting rod is hinged to the lower surface of the movable plate.

Further, the support leg lower segment is kept away from the one end of supporting leg upper segment fixedly provided with the supporting foot.

Further, a plurality of polygonal blind holes are formed in the upper surface of the bottom plate.

Further, the polygonal blind holes are regular hexagons, and the same gaps are reserved between adjacent polygonal blind holes.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, the support frame is fixedly arranged on the edge of the bottom plate, and the lower part of the support frame is rotationally connected with the roller, so that the flexibility of the crane can be improved, and the crane can move more conveniently; through setting up supporting mechanism, the upper segment of supporting leg articulates at the bottom plate lower surface, and the activity of lower segment of supporting leg sets up in the upper segment lower extreme of supporting leg, and the connecting axle one at its output is rotated in the promotion of pneumatic cylinder for folding upper segment of supporting leg and lower segment of supporting leg expand, and then make the gyro wheel break away from ground, guaranteed the stability of hoist during operation.

The utility model not only ensures the stability of the hoisting machinery during operation, but also solves the problem of poor flexibility of the hoisting machinery.

Drawings

FIG. 1 is a schematic view of the overall assembly of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is an enlarged schematic view of a portion of FIG. 1 at A;

Fig. 5 is a partially enlarged schematic view of fig. 2 at B.

In the figure: 1. a bottom plate; 2. a mounting base; 3. a support frame; 4. a roller; 5. a movable plate; 6. a hydraulic cylinder; 7. an upper support leg; 8. a lower leg section; 9. a first connecting shaft; 10. a second connecting shaft; 11. a connecting rod; 12. a support foot; 13. limiting pits; 14. a guide rod; 15. a guide sleeve; 16. polygonal blind holes.

Detailed Description

The present utility model is specifically described and illustrated below with reference to examples.

Example 1

As shown in fig. 1-5, the lifting machinery base comprises a base plate 1 and an installation seat 2 fixedly arranged on the upper surface of the base plate 1, wherein a support frame 3 is fixedly arranged at the edge of the base plate 1, one side of the lower part of the support frame 3 is rotationally connected with a roller 4, a movable plate 5 is arranged below the base plate 1, a hydraulic cylinder 6 is fixedly arranged on the upper surface of the movable plate 5, a guide component for limiting the movement direction of the movable plate 5 is arranged outside the movable plate 5, and a supporting mechanism for supporting the base plate 1 is arranged below the base plate 1.

When using this hoist base, connect the hoist main part through mount pad 2, the fixed support frame 3 that is provided with in bottom plate 1 edge, and support frame 3 rectangle distributes at bottom plate 1 edge, and support frame 3 lower part one side rotates and is connected with gyro wheel 4, when carrying out the removal of hoist, gyro wheel 4 roll subaerial, makes things convenient for the whole removal of hoist, through gyro wheel 4 that support frame 3 lower part set up, can improve the flexibility of hoist for the hoist removes more conveniently.

The bottom plate 1 below is provided with fly leaf 5, and fly leaf 5 upper surface fixed mounting has pneumatic cylinder 6, and pneumatic cylinder 6 is at the upper surface symmetry setting of fly leaf 5, and it is noted that the output of two pneumatic cylinders 6 deviate from each other.

The guide assembly comprises a guide rod 14 and a guide sleeve 15, wherein the guide rod 14 is fixedly arranged on the lower surface of the bottom plate 1, the guide sleeve 15 is fixedly arranged at the corner of the movable plate 5, and the guide sleeve 15 is sleeved outside the guide rod 14.

The lower surface rectangle of bottom plate 1 distributes and has guide bar 14, and guide bar 14 fixed setting is at bottom plate 1 lower surface, and guide bar 14 axis direction perpendicular to bottom plate 1 lower surface, and the fixed uide bushing 15 that is provided with in corner of fly leaf 5, and the uide bushing 15 cover is established in the guide bar 14 outside for with bottom plate 1 parallel arrangement's fly leaf 5 can only follow guide bar 14 axis direction up-and-down motion.

The supporting mechanism comprises an upper supporting leg section 7, a lower supporting leg section 8 and a limiting pit 13, wherein the upper supporting leg section 7 is rectangular and distributed on the lower surface of the bottom plate 1, the upper supporting leg section 7 is hinged with the bottom plate 1, the lower supporting leg section 8 is arranged at one end, far away from the bottom plate 1, of the upper supporting leg section 7, the limiting pit 13 is arranged at one end, close to the upper supporting leg section 7, of the lower supporting leg section 8, and the upper supporting leg section 7 is movably connected inside the limiting pit 13.

The supporting mechanism further comprises a first connecting shaft 9, the first connecting shaft 9 is arranged between the two upper supporting leg sections 7 with the overlapped rotating shafts, one end of the first connecting shaft 9 is inserted into one end, far away from the bottom plate 1, of the upper supporting leg section 7, and the lower supporting leg section 8 is rotatably connected to the outer side of the first connecting shaft 9.

The supporting mechanism further comprises a second connecting shaft 10 and a connecting rod 11, the second connecting shaft 10 is arranged below the first connecting shaft 9 in parallel, the second connecting shaft 10 is inserted into the middle of the lower support leg section 8, the connecting rod 11 is rotationally connected to the middle of the second connecting shaft 10, and one end of the connecting rod 11, far away from the second connecting shaft 10, is hinged to the lower surface of the movable plate 5.

The end of the lower support leg section 8, which is far away from the upper support leg section 7, is fixedly provided with a support foot 12.

The lower surface corner of the bottom plate 1 is rectangular and distributed with upper support leg sections 7, the upper support leg sections 7 are hinged with the bottom plate 1, a first connecting shaft 9 is arranged between the upper support leg sections 7 with the rotation axes coincident, the first connecting shaft 9 is inserted into one end of the upper support leg sections 7 far away from the bottom plate 1, the middle part of the first connecting shaft 9 is rotationally connected to the output end of the hydraulic cylinder 6, when the output end of the hydraulic cylinder 6 extends outwards, the hydraulic cylinder 6 moves through the first connecting shaft 9 rotationally connected to the output end of the hydraulic cylinder 6, and then drives the upper support leg sections 7 to rotate, so that one end of the upper support leg sections 7 far away from the bottom plate 1 approaches the bottom plate 1, at the moment, a movable plate 5 which is arranged below the bottom plate 1 in parallel moves upwards along the axis direction of a guide rod 14, one end of the upper support leg sections 7 far away from the bottom plate 1 is provided with lower support leg sections 8, and the lower support leg sections 8 are rotationally connected to the outer side of the first connecting shaft 9, a connecting shaft II 10 is arranged below the connecting shaft I9 in parallel, the connecting shaft II 10 is spliced in the middle of the lower support leg joint 8, the middle of the connecting shaft II 10 is rotationally connected with a connecting rod 11, one end of the connecting rod 11 away from the connecting shaft II 10 is hinged on the lower surface of the movable plate 5, the output end of the hydraulic cylinder 6 extends outwards to drive the movable plate 5 to move upwards, the hydraulic cylinder 6 drives the lower support leg joint 8 to move through rotating the connecting shaft I9 connected to the output end of the hydraulic cylinder, the connecting shaft II 10 spliced in the middle of the lower support leg joint 8 is actively connected with the connecting rod 11 hinged on the lower surface of the movable plate 5, the lower support leg joint 8 swings upwards relative to the connecting shaft I9, one end of the lower support leg joint 8 away from the connecting shaft I9 is lifted, the supporting foot 12 fixedly arranged at one end of the lower support leg joint 8 away from the upper support leg joint 7 moves upwards at the moment, the roller 4 is in direct contact with the ground, and the roller 4 can roll on the ground at the moment, so that the crane can conveniently move. The crane is in a non-working state when the roller 4 is in contact with the ground.

When in operation, the hydraulic cylinder 6 fixedly arranged on the upper surface of the movable plate 5 is started, the output end of the hydraulic cylinder 6 contracts, and then the first connecting shaft 9 rotatably connected to the output end of the hydraulic cylinder 6 is driven to approach the movable plate 5, one end of the upper support leg section 7 far away from the bottom plate 1 is movably connected inside the limiting pit 13 arranged at the upper end of the lower support leg section 8, the limiting pit 13 arranged at one end of the lower support leg section 8 near the upper support leg section 7 plays a role in limiting, so that the upper support leg section 7 and the lower support leg section 8 can rotate within a preset range, when the output end of the hydraulic cylinder 6 contracts to drive the first connecting shaft 9 to approach the edge of the movable plate 5, the first connecting shaft 9 drives the upper support leg section 7 hinged to the lower surface of the bottom plate 1 to rotate, one end of the upper support leg section 7 far away from the bottom plate 1 is far away from the lower surface of the bottom plate 1, because the guide sleeve 15 fixedly arranged at the corner of the movable plate 5 is sleeved outside the guide rod 14 fixedly arranged on the lower surface of the bottom plate 1, the movable plate 5 which is arranged below the bottom plate 1 in parallel moves downwards along the axial direction of the guide rod 14, meanwhile, because the hydraulic cylinder 6 hinged on the lower surface of the movable plate 5 is rotationally connected with the second connecting shaft 10 inserted in the middle of the lower support leg joint 8, when the first connecting shaft 9 rotationally connected at the upper end of the lower support leg joint 8 drives the lower support leg joint 8 to move, the support leg 12 fixedly arranged at the lower end of the lower support leg joint 8 moves downwards, the support leg 12 gradually contacts with the bottom edge, the bottom plate 1 is lifted up, the roller 4 rotationally connected at the lower part of the support frame 3 is separated from the ground, and when the upper support leg joint 7 is extruded to the side wall of the limit pit 13, the folding support leg formed by the upper support leg joint 7 and the lower support leg joint 8 reaches the unfolded limit position, the support foot 12 can increase the contact area between the crane base and the ground, thereby being beneficial to improving the stability of the crane base.

Through setting up the supporting mechanism who comprises supporting leg upper segment 7, supporting leg lower segment 8, connecting axle one 9, connecting axle two 10, connecting rod 11 and spacing pit 13, when guaranteeing crane base stability, through the flexible of pneumatic cylinder 6, can put down and lift gyro wheel 4 for the crane can realize the fast conversion of non-work and operating condition.

The upper surface of the bottom plate 1 is provided with a plurality of polygonal blind holes 16, the polygonal blind holes 16 are regular hexagons, and the same gaps are reserved between the adjacent polygonal blind holes 16. By arranging the polygonal blind holes 16, the quality of the crane base can be reduced as much as possible on the premise of ensuring that the structural strength of the bottom plate 1 is qualified, so that the crane is lighter and more convenient, and the convenience of crane movement is further improved.

The lower surface parallel arrangement of bottom plate 1 has fly leaf 5, fly leaf 5 upper surface fixed mounting has pneumatic cylinder 6, when the work is over, when needing to remove the hoist, start the pneumatic cylinder 6 of fixed mounting at fly leaf 5 upper surface, make pneumatic cylinder 6 drive the connecting axle one 9 of swivelling joint at its output keep away from fly leaf 5, because connecting axle one 9 peg graft on the articulated supporting leg upper segment 7 of bottom plate 1 lower surface, drive supporting leg upper segment 7 and rotate when connecting axle one 9 kept away from fly leaf 5, make one end that supporting leg upper segment 7 kept away from bottom plate 1 be close to bottom plate 1, and then make fly leaf 5 upwards move along the guide bar 14 of wearing to establish in uide bushing 15, simultaneously, because connect the connecting axle two 10 swivelling joint of pegging graft in connecting axle 11 and supporting leg lower segment 8 of fly leaf 5 lower surface, make connecting axle one 9 drive swivelling joint when the motion of supporting leg lower segment 8 of its both ends, the supporting leg lower segment 8 of fixed setting keeps away from supporting leg upper segment 7 one end support foot 12 gradually, and then make the gyro wheel 3 gradually lift up at the supporting leg 4 of supporting leg lower segment 7, and the ground contact roller 4 of the ground of the hoist gradually, and the ground has been improved.

Although the present utility model has been described in detail by way of example with reference to the accompanying drawings, the present utility model is not limited thereto. Various equivalent modifications and substitutions for embodiments of the present utility model may be made by those skilled in the art without departing from the spirit and substance of the present utility model, and these modifications and substitutions are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a hoisting machinery base, includes mount pad (2) that bottom plate (1) and bottom plate (1) upper surface fixed set up, a serial communication port, bottom plate (1) edge fixed is provided with support frame (3), support frame (3) lower part one side rotates and is connected with gyro wheel (4), bottom plate (1) below is provided with fly leaf (5), fly leaf (5) upper surface fixed mounting has pneumatic cylinder (6), the fly leaf (5) outside is provided with the direction subassembly that is used for restricting fly leaf (5) direction of motion, bottom plate (1) below is provided with the supporting mechanism who is used for propping up bottom plate (1).

2. Hoisting machinery base according to claim 1, characterized in that the guiding assembly comprises a guiding rod (14) and a guiding sleeve (15), the guiding rod (14) is fixedly arranged on the lower surface of the bottom plate (1), the guiding sleeve (15) is fixedly arranged at the corner of the movable plate (5), and the guiding sleeve (15) is sleeved outside the guiding rod (14).

3. The lifting machinery base according to claim 1, wherein the supporting mechanism comprises an upper supporting leg section (7), a lower supporting leg section (8) and a limiting pit (13), the upper supporting leg section (7) is rectangular and distributed on the lower surface of the bottom plate (1), the upper supporting leg section (7) is hinged with the bottom plate (1), the lower supporting leg section (8) is arranged at one end, far away from the bottom plate (1), of the upper supporting leg section (7), the limiting pit (13) is formed at one end, close to the upper supporting leg section (7), of the lower supporting leg section (8), and the upper supporting leg section (7) is movably connected inside the limiting pit (13).

4. A hoisting machine base as claimed in claim 3, characterized in that the support means further comprise a first connecting shaft (9), the first connecting shaft (9) is arranged between two upper support leg sections (7) with coincident rotation shafts, one end of the first connecting shaft (9) is inserted into one end of the upper support leg sections (7) far away from the base plate (1), and the lower support leg sections (8) are rotatably connected to the outer side of the first connecting shaft (9).

5. The hoisting machine base according to claim 4, wherein the supporting mechanism further comprises a second connecting shaft (10) and a connecting rod (11), the second connecting shaft (10) is arranged below the first connecting shaft (9) in parallel, the second connecting shaft (10) is inserted into the middle of the lower supporting leg joint (8), the connecting rod (11) is rotatably connected to the middle of the second connecting shaft (10), and one end of the connecting rod (11) away from the second connecting shaft (10) is hinged to the lower surface of the movable plate (5).

6. A hoisting machine base as claimed in claim 3, characterized in that the end of the lower leg section (8) remote from the upper leg section (7) is fixedly provided with a support foot (12).

7. Hoisting machine base according to claim 1, characterized in that the upper surface of the bottom plate (1) is provided with a number of polygonal blind holes (16).

8. Hoisting machine base according to claim 7, characterized in that the polygonal blind holes (16) are regular hexagons and that adjacent polygonal blind holes (16) have the same gap between them.