CN213326533U

CN213326533U - Goods lift formula lift platform

Info

Publication number: CN213326533U
Application number: CN202021728621.9U
Authority: CN
Inventors: 胡冠巨
Original assignee: Ningbo Nali Lifting Machinery Co ltd
Current assignee: Ningbo Nali Lifting Machinery Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-01
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a goods ladder type lifting platform, which comprises a ladder frame and a lifting platform, wherein the ladder frame is provided with a power device, the power device is used for controlling the lifting of the lifting platform, the lifting platform is provided with a plurality of fixing mechanisms, the fixing mechanisms are used for fixing the position of the lifting platform, the ladder frame is provided with a plurality of guide rods, the side wall of the lifting platform is provided with a plurality of guide frames, guide wheels are arranged in the guide frames, one side of each guide wheel is abutted against the side wall of the guide rod and is matched with the guide rod in a rolling way, the lower end of the lifting platform is provided with a plurality of power shafts, the output shafts of the power shafts are provided with stabilizing rods, the power shafts are used for pushing the stabilizing rods to move, the stabilizing rods are sleeved with a plurality of rollers, the rollers are abutted against the ladder frame and are matched with the ladder frame in a rolling way, the structure of the utility model is reasonable, the power device is started to drive the, realize the steady removal of elevating platform.

Description

Goods lift formula lift platform

Technical Field

The utility model relates to a lift platform field, in particular to goods lift formula lift platform.

Background

The lifting platform is a cargo carrying working platform widely applied in various industries and can realize lifting conveying equipment, wherein the single-rail type lifting platform has the characteristics of large load capacity, high safety factor, long service life, simple maintenance and the like, and is a widely used hydraulic lifting platform, the existing single-rail lifting platform mainly comprises a goods elevator, a guide rail frame, a hydraulic oil cylinder and a jacking mechanism, the goods elevator is arranged at one side of the guide rail frame, a chute is arranged at the inner side of the guide rail frame, a sliding door frame is connected to one side of the goods elevator, which is close to the guide rail frame, two clamping pieces and four limiting pulleys matched with the guide rail frame are arranged on the sliding door frame, moving pulleys matched with the chute at the inner side of the guide rail frame are arranged at the upper end and the lower end of the clamping pieces, the sliding door frame is clamped on the chute at the inner side of the guide rail frame through the two clamping pieces, the four limiting, the hydraulic cylinder is vertically arranged between the guide rail frames, the top end of the hydraulic cylinder is connected with the jacking mechanism, and the hydraulic cylinder stretches and retracts to drive the goods lift to move up and down along the guide rail frames through the jacking mechanism.

However, when the existing lifting platform is used, large vibration is often accompanied, and the vibration can cause the lifting platform to generate transverse tension on various supporting ropes, so that the supporting ropes collide with a ladder frame, the supporting ropes are abraded, and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a goods lift formula lift platform has and supports lift platform's lateral wall, makes lift platform more stable when going up and down, reduces the advantage to supporting rope wearing and tearing.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a goods ladder formula lift platform, includes ladder frame and elevating platform, the elevating platform is located the ladder frame, and with ladder frame sliding fit, be equipped with power device on the ladder frame, power device is used for controlling the lift of elevating platform, be equipped with a plurality of fixed establishment on the elevating platform, fixed establishment is used for the position of fixed elevating platform, be equipped with a plurality of guide arms on the ladder frame, be equipped with a plurality of guide frames on the lateral wall of elevating platform, be equipped with the guide pulley in the guide frame, one side of guide pulley offsets with the lateral wall of guide arm, and with the guide arm roll cooperation, the lower extreme of elevating platform is equipped with a plurality of power shafts, be equipped with firm pole on the output shaft of power shaft, the power shaft is used for promoting firm pole removal, the cover is equipped with a plurality of gyro wheels on firm pole, the gyro wheel supports on the ladder frame, and with ladder frame roll.

As preferred, power device includes two motor element and a plurality of haulage rope, motor element's the outside is equipped with fixed frame, be equipped with a plurality of gear trains on the fixed frame, the gear train includes power gear and worm wheel, be equipped with the worm on the lateral wall of fixed frame, worm and worm wheel meshing, motor unit's output shaft is respectively in the one end fixed connection of two worms, the haulage rope is connected with lift platform, the haulage rope includes rope and chain, the chain cover is on power gear, and with power gear meshing, the upper end of ladder frame is equipped with reversing gear, the upper end cover of chain is on reversing gear, and with reversing gear meshing.

Preferably, the motor units include a motor, a brake and a speed reducer, the brake is used for controlling the rotation of an output shaft of the speed reducer, and the rotation speeds output by the two motor units are the same.

Preferably, two winding rollers are arranged in the fixed frame, two ends of each winding roller are fixedly connected with the circle centers of the two gears respectively, one end of each rope is fixedly connected with the corresponding winding roller, each winding roller is used for winding and unwinding the rope so that the rope can generate tension on the lifting platform, and a reversing wheel is fixedly arranged on one side of each reversing gear and used for reversing the rope.

Preferably, the side wall of the guide rod is provided with a plurality of guide grooves, and one side of the guide wheel is positioned in the guide grooves and is in sliding fit with the guide grooves.

Preferably, the guide wheel is a spherical wheel, one side of the spherical wheel is embedded in the guide frame and is in rolling connection with the guide frame, and the other side of the spherical wheel abuts against the inner wall of the guide groove and is in rolling fit with the guide groove.

As preferred, fixed establishment includes motor, fastening block and fixed block, the motor is located the lower terminal surface of elevating platform, and with elevating platform fixed connection, be connected with the threaded rod on the output shaft of motor, the one end fixed connection of motor is kept away from with the threaded rod to the fixed block, set up threaded hole on the fastening block, the fastening block passes through the screw hole cover and establishes on the threaded rod, and with threaded rod screw-thread fit, threaded rod drive fastening block removes to make fastening block and fixed block press from both sides the ladder frame tightly, realize fixedly.

Preferably, the upper end of fastening block is equipped with the slider, the lower extreme of elevating platform is equipped with the spout, the slider is located the spout, and with spout sliding fit.

Preferably, the ladder frame is provided with a plurality of supporting rods, the fixing block is positioned on one side of the supporting rods and is in sliding fit with the supporting rods, the supporting rods are provided with a plurality of positioning devices, and the positioning devices are used for supporting the fixing mechanism.

Preferably, the positioning device comprises a positioning block for supporting the fastening block.

The utility model has the advantages that: after the motor and the component are started, the gear set is driven to rotate, the gear drive chain is driven to move, the chain can drive the lifting platform to move, the guide rod is arranged on the ladder frame, when the lifting platform moves, the guide frame can move along the guide rod, the position of the lifting platform is limited, the lifting platform is more stable when moving, the power shaft can push the stabilizing rod out before the lifting platform moves, the roller on the stabilizing rod is enabled to be abutted to the ladder frame, and the stability of the lifting platform is further improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a sectional view of the embodiment;

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

FIG. 4 is an enlarged view of area B of FIG. 2;

fig. 5 is a sectional view of the embodiment fixing frame.

Reference numerals: 1. a ladder frame; 2. a lifting platform; 3. a guide bar; 4. a guide frame; 5. a guide wheel; 6. a power shaft; 7. a stabilizing rod; 8. a roller; 9. a fixing frame; 10. a power gear; 11. a worm gear; 12. a worm; 13. a rope; 14. a chain; 15. a reversing gear; 16. an electric motor; 17. a brake; 18. a speed reducer; 19. a wind-up roll; 20. a motor; 21. a fastening block; 22. a fixed block; 23. a threaded rod; 24. a slider; 25. a support bar; 26. and (5) positioning the blocks.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, the cargo lift type elevating platform comprises a ladder frame 1 and an elevating platform 2. The ladder frame 1 is provided with a power device which can control the lifting of the lifting platform 2.

As shown in fig. 1 and 5, the power device includes two motor assemblies and a plurality of traction ropes, a fixed frame 9 is disposed on the outer side of the motor assemblies, and a plurality of gear sets are disposed on the fixed frame 9. The gear set comprises a power gear 10 and a worm wheel 11, and a worm 12 is arranged on the side wall of the fixing frame 9. The output shafts of the two motor components are respectively connected with the worm 12, and the motor components can drive the worm 12 to rotate after being started. One worm 12 is matched with the two worm wheels 11, and when the motor component drives the worm 12 to rotate, the two worm wheels 12 respectively drive the two worm wheels 11 to rotate, so that the gear set starts to rotate.

As shown in fig. 1 and 5, the motor assembly includes a motor 16, a brake 17, and a reducer 18, and the reducer 18 can increase the torque of the motor 16 and increase the tension on the lifting platform 2. The brake 17 can control the rotation of the output shaft of the speed reducer 18, and can fix the position of the lifting table 2.

As shown in fig. 1 and 5, two ends of a plurality of pulling ropes are respectively connected with the upper end surface and the lower end surface of the lifting platform 2, and the pulling ropes are connected with the lifting platform 2 to form a closed loop. The hauling cable comprises a rope 13 and a chain 14, the upper end of the ladder frame 1 is provided with a reversing gear 15, the upper end of the chain 14 is meshed with the reversing gear 15, and the lower end of the chain 14 is meshed with the power gear 10. When the motor assembly drives the power gear 10 to rotate, the power gear 10 drives the chain 14 to start moving, so that the chain 14 drives the lifting platform 2 to move in the ladder rack 1.

As shown in fig. 5, a winding roller 19 is arranged between two opposite gear sets, when the gear sets rotate, the winding roller 19 can be driven to rotate, one end of the rope 13 is fixedly connected with the winding roller 19, when the winding roller 19 rotates along with the gear sets, the rope 13 can be wound by the winding roller 19, the diameter of the winding roller 19 is the same as that of the power gear 10, and after the rope 13 is wound by the winding roller 19, the rope 13 can be stretched for the lifting platform 2, so that the stress of the chain 14 is reduced, and the bearing capacity and the safety of the lifting platform 2 are improved.

As shown in fig. 1 and 4, a plurality of guide rods 3 are arranged on a ladder frame 1, a plurality of guide frames 4 are arranged on the side wall of a lifting platform 2, a plurality of spherical wheels are arranged in the guide frames 4, a plurality of guide grooves are arranged on the side wall of the guide rods 3, and one side of each spherical wheel is positioned in a guide wheel 5. When elevating platform 2 began to remove, a plurality of spherical wheels can remove along the guide slot, and spherical wheel and pedestal 4 remove along guide arm 3, reduce rocking of elevating platform 2 when removing to make elevating platform 2 can more steady go up and down, reduce the horizontal tangential force to the haulage rope, thereby reduce the burden to the haulage rope.

As shown in fig. 1 and 3, the lower extreme of elevating platform 2 is equipped with a plurality of power shafts 6, be equipped with firm pole 7 on the output shaft of power shaft 6, the cover is equipped with a plurality of gyro wheels 8 on firm pole 7, power shaft 6 is the component that can provide power, like the cylinder, power shaft 6 can promote firm pole 7 and remove, make gyro wheel 8 on the firm pole 7 can support on the lateral wall of ladder frame 1, when elevating platform 2 removed, gyro wheel 8 can remove along ladder frame 1, support elevating platform 2, promote the stability of elevating platform 2.

As shown in fig. 2 and 3, the ladder rack 1 is provided with a plurality of support rods 25, and the support rods 25 are provided with a plurality of positioning blocks 26. The lifting platform 2 is provided with a plurality of fixing mechanisms, and the positioning blocks 26 support the fixing mechanisms by abutting against the lower ends of the fixing mechanisms, so that the lifting platform 2 can be stopped in the air.

As shown in fig. 2 and 3, the fixing mechanism includes a motor 20, a fastening block 21, and a fixing block 22. The motor 20 is fixedly connected with the lower end face of the lifting platform 2, the output shaft of the motor 20 is connected with the threaded rod 23, the fixed block 22 is fixedly connected with one end of the threaded rod 23, the fastening block 21 is sleeved on the threaded rod 23 through the threaded hole, the fixed block 22 and the fastening block 21 are respectively located on two sides of the supporting rod 25, and the fixed block 22 is attached to one side of the supporting rod 25. When the motor 20 is started, the motor 20 drives the threaded rod 23 to rotate, and the threaded rod 23 drives the fastening block 21 to move, so that the fastening block 21 is matched with the fixed block 22 to clamp the supporting rod 25. The positioning block 26 abuts against the lower end of the fastening block 21 to support the fixing mechanism, thereby supporting the lifting table 2.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A goods elevator type lifting platform comprises an elevator frame (1) and a lifting platform (2), wherein the lifting platform (2) is positioned in the elevator frame (1) and is in sliding fit with the elevator frame (1), the goods elevator type lifting platform is characterized in that a power device is arranged on the elevator frame (1) and is used for controlling the lifting of the lifting platform (2), a plurality of fixing mechanisms are arranged on the lifting platform (2) and are used for fixing the position of the lifting platform (2), a plurality of guide rods (3) are arranged on the elevator frame (1), a plurality of guide frames (4) are arranged on the side wall of the lifting platform (2), guide wheels (5) are arranged in the guide frames (4), one side of each guide wheel (5) is abutted against the side wall of each guide rod (3) and is in rolling fit with each guide rod (3), a plurality of power shafts (6) are arranged at the lower end of the lifting platform (2), and a stabilizing rod (7) is arranged on the output shaft of each power shaft (6), the power shaft (6) is used for pushing the stabilizing rod (7) to move, a plurality of rollers (8) are sleeved on the stabilizing rod (7), and the rollers (8) are abutted to the ladder frame (1) and are in rolling fit with the ladder frame (1).

2. The goods lift type lifting platform as claimed in claim 1, wherein the power device comprises two motor (16) assemblies and a plurality of traction ropes, a fixed frame (9) is arranged on the outer side of the motor (16) assemblies, a plurality of gear sets are arranged on the fixed frame (9), the gear sets comprise power gears (10) and worm wheels (11), worm screws (12) are arranged on the side walls of the fixed frame (9), the worm screws (12) are meshed with the worm wheels (11), output shafts of the motor (16) assemblies are respectively fixedly connected with one ends of the two worm screws (12), the traction ropes are connected with the lifting platform and comprise ropes (13) and chains (14), the chains (14) are sleeved on the power gears (10) and meshed with the power gears (10), and reversing gears (15) are arranged at the upper ends of the ladder frame (1), the upper end of the chain (14) is sleeved on the reversing gear (15) and meshed with the reversing gear (15).

3. The lift platform as claimed in claim 2, wherein the sets of motors (16) comprise motors (16), brakes (17) and reducers (18), the brakes (17) are used for controlling the rotation of the output shafts of the reducers (18), and the rotation speeds output by the two sets of motors (16) are the same.

4. The goods elevator type lifting platform as claimed in claim 3, wherein two winding rollers (19) are arranged in the fixing frame (9), two ends of each winding roller (19) are fixedly connected with the centers of the two gears respectively, one end of each rope (13) is fixedly connected with the winding rollers (19), the winding rollers (19) are used for winding and unwinding the ropes (13) so that the ropes (13) generate tension on the lifting platform (2), and a reversing wheel is fixedly arranged on one side of each reversing gear (15) and used for reversing the ropes (13).

5. The lift platform as claimed in claim 1, wherein the guide rods (3) are provided with guide grooves on their side walls, and the guide wheels (5) are slidably engaged with the guide grooves on one side thereof.

6. The lift platform as claimed in claim 5, wherein the guide wheels (5) are spherical wheels, one side of each spherical wheel is embedded in the guide frame (4) and is in rolling connection with the guide frame (4), and the other side of each spherical wheel abuts against the inner wall of the guide groove and is in rolling fit with the guide groove.

7. The goods elevator type lifting platform as claimed in claim 1, wherein the fixing mechanism comprises a motor (20), a fastening block (21) and a fixing block (22), the motor (20) is located on the lower end face of the lifting platform (2) and is fixedly connected with the lifting platform (2), a threaded rod (23) is connected to an output shaft of the motor (20), the fixing block (22) and the threaded rod (23) are fixedly connected with one end far away from the motor (20), a threaded hole is formed in the fastening block (21), the fastening block (21) is sleeved on the threaded rod (23) through the threaded hole and is in threaded fit with the threaded rod (23), and the threaded rod (23) drives the fastening block (21) to move, so that the fastening block (21) and the fixing block (22) clamp the ladder frame (1) tightly to achieve fixing.

8. The lift platform as claimed in claim 7, wherein the fastening block (21) is provided at its upper end with a slide block (24), and the lift platform (2) is provided at its lower end with a slide groove, the slide block (24) being located in the slide groove and slidably engaged with the slide groove.

9. The goods-lift type lifting platform as claimed in claim 8, wherein the ladder frame (1) is provided with a plurality of support rods (25), the fixing block (22) is located at one side of the support rods (25) and is in sliding fit with the support rods (25), and the support rods (25) are provided with a plurality of positioning devices for supporting the fixing mechanism.

10. The lift platform as claimed in claim 9, wherein the positioning means comprise positioning blocks (26), the positioning blocks (26) being used to support the fastening blocks (21).