CN219469558U - Mechanical lifting platform capable of reducing impact - Google Patents

Abstract

The utility model provides a mechanical lifting platform capable of reducing impact, and relates to the technical field of lifting platforms. Including outside box, the bottom both sides fixed mounting of outside box has the motor, the output of motor is provided with the screw thread rotation axis, the surface screw thread connection of screw thread rotation axis has the slide, the bottom fixedly connected with first damping spring bumper shock absorber of slide, the bottom fixedly connected with shock attenuation board of first damping spring bumper shock absorber, the bottom fixedly connected with inner bottom plate of slide, the bottom fixedly connected with second damping spring bumper shock absorber of inner bottom plate. The mechanical lifting platform capable of reducing impact can effectively reduce the impact and overload and unbalanced load phenomena generated during operation through the cooperation of the damping plate, the inner bottom plate, the spring damper, the alarm device and the like, can ensure the working environment of personnel, and can reduce the damage condition of internal parts.

Description

Mechanical lifting platform capable of reducing impact

Technical Field

The utility model relates to the technical field of lifting platforms, in particular to a mechanical lifting platform capable of reducing impact.

Background

The lifting platform is a multifunctional lifting loading and unloading mechanical device, and is mainly used for cargo transportation, material loading and unloading between the height differences of production lines, workpiece height adjustment during workpiece assembly, high-place feeder feeding, component lifting during large-scale equipment assembly, large-scale machine tool feeding, discharging, storage loading and unloading places, cargo rapid loading and unloading by matching with carrying vehicles such as forklifts and the like, and accessory devices can be configured according to the use requirements to perform arbitrary combination.

The utility model discloses a "mechanical lift platform" at patent number "CN215271240U", this mechanical lift platform through pressing the motor switch of upside, can control the motor start and drive motor shaft corotation, the platform body rises this moment, through pressing the motor switch of downside, can control the motor start and drive motor shaft reversal, the platform body descends this moment, be convenient for adjust the height of platform body according to user's height like this, and through setting up transparent cover, can avoid appearing the mistake and touch the phenomenon of motor switch, solved at present when using mechanical lift platform, be inconvenient for adjusting the problem of mechanical lift platform height.

However, the above patent only uses the lifting platform to lift the loading object, so that effective measures cannot be taken for impact load generated during operation of the lifting platform and uneven distribution and overload during loading of the lifting platform, and early abrasion, breakage and crushing of mechanical structural members are easy to cause influence on the service life of the lifting platform, and damage to operators is more serious.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides a mechanical lifting platform capable of reducing impact, and solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a can reduce mechanical lift platform of impact, includes the outside box, the bottom both sides fixed mounting of outside box has the motor, the output of motor is provided with the screw thread rotation axis, the surface threaded connection of screw thread rotation axis has the slide, the first damping spring bumper shock absorber of bottom fixedly connected with of slide, the bottom fixedly connected with shock attenuation board of first damping spring bumper shock absorber, the bottom fixedly connected with inner bottom plate of slide, the bottom fixedly connected with second damping spring bumper shock absorber of inner bottom plate, the one end fixedly connected with slider of second damping spring bumper shock absorber, the one end swing joint of slider has the slide bar, the one end swing joint of slide bar has the fixed block, the top fixedly connected with of fixed block is in the lower surface of shock attenuation board, the top fixedly mounted of slide has unbalanced load alarm device, the top fixedly mounted of inner bottom plate has overload alarm device.

Through adopting above-mentioned technical scheme, can drive screw thread rotation axis operation through the operation of motor at first, screw thread rotation axis operation drives the reciprocating of slide, further slide reciprocates and drives inside bottom plate and reciprocate, finally, inside bottom plate reciprocates and drives the shock attenuation board through first damping spring bumper shock absorber, second damping spring bumper shock absorber, slider, slide bar, fixed block etc. and reciprocate, through first damping spring bumper shock absorber, second damping spring bumper shock absorber, slider, slide bar, fixed block cooperation use can effectively reduce the impact load that the shock attenuation board reciprocated in-process produced.

Preferably, the first damping spring shock absorber comprises a linkage rod, a pressure spring is fixedly connected to the bottom of the linkage rod, a sleeve is sleeved on the surface of the pressure spring, and the pressure spring is fixedly connected with the bottom of the sleeve.

Through adopting above-mentioned technical scheme, the impact load that the gangbar received is transmitted for pressure spring, is absorbed by pressure spring and damping cushion, and the sleeve ensures pressure spring's displacement direction, can not crooked.

Preferably, the top fixedly connected with support column of shock attenuation board, the top fixedly connected with year thing case of support column.

Through adopting above-mentioned technical scheme, can be with the weight that carries the thing case to bear and impact load transmit the shock attenuation board through the support column.

Preferably, the overload alarm device comprises a first firing pin and an overload alarm, wherein the first firing pin is fixedly arranged at the bottom of the shock absorption plate, the overload alarm is fixedly arranged at the top of the inner bottom plate, and an overload alarm button corresponding to the first firing pin is fixedly arranged at the top of the overload alarm.

Through adopting above-mentioned technical scheme, can make the shock attenuation board when bearing weight, the downwardly moving to drive first firing pin and remove, when the travel distance is less, first firing pin can not touch overload alarm button, if weight makes first firing pin touch overload alarm button, overload alarm can send the alarm.

Preferably, the unbalanced load alarm device comprises a second firing pin and an unbalanced load alarm, wherein the second firing pin is fixedly arranged at the bottom of the carrying box, the unbalanced load alarm is fixedly arranged at the top of the sliding plate, and an unbalanced load alarm button corresponding to the second firing pin is fixedly arranged at the top of the unbalanced load alarm.

Through adopting above-mentioned technical scheme, can make the year thing case when bearing inhomogeneous weight, heavier end downwardly moving to drive the second firing pin and remove, when the travel distance is less, the second firing pin can not touch the unbalanced load alarm button, if weight distribution is too inhomogeneous, makes the second firing pin touch the unbalanced load alarm button, and the unbalanced load alarm sends out the police dispatch newspaper.

Preferably, guide rods are fixedly connected to two sides of the bottom of the outer box body, and the guide rods are symmetrically distributed on two sides of the threaded rotating shaft.

Through adopting above-mentioned technical scheme, the guide arm of symmetric distribution in screw thread rotation axis both sides can make the restriction to the removal of slide, guarantees the direction of displacement.

Preferably, the bottom fixedly connected with a plurality of dead levers of outside box, the one end fixedly connected with fixed column of dead lever, a plurality of dead levers and fixed column symmetric distribution are in the both sides of outside box.

Through adopting above-mentioned technical scheme, evenly distributed can play the fixed action to outside box at dead lever and the fixed column of outside box both sides.

(III) beneficial effects

The utility model provides a mechanical lifting platform capable of reducing impact. The beneficial effects are as follows:

1. this reduce mechanical lift platform of impact drives the screw thread rotation axis through the rotation of motor and rotates, screw thread rotation axis rotates and drives slide up-and-down motion, further drive inside bottom plate up-and-down motion through slide up-and-down motion, then inside bottom plate's up-and-down motion drives shock attenuation board up-and-down motion through first damping spring bumper shock absorber and second damping spring bumper shock absorber etc. finally, the up-and-down motion of shock attenuation board drives the thing case up-and-down motion through the support column, the in-process of motion carries the thing case and receives the impact load and transmits the shock attenuation board through the support column, the impact load that produces when the upper and lower surface connection of shock attenuation board first damping spring bumper shock absorber and second damping spring bumper shock absorber can effectively reduce the operation, thereby can guarantee staff's operational environment, can reduce the circumstances that damage appears in various internals again.

2. This reduce mechanical lift platform of impact, when carrying the thing case and bear weight, can pass through the support column and transmit for inside bottom plate, if the load is too much, the first probe of inside bottom plate bottom can touch overload alarm button for overload alarm reports to the police, if there is weight distribution inhomogeneous, the unbalanced load alarm of carrying the thing case bottom can touch the unbalanced load alarm button, makes the unbalanced load alarm report to the police, can guarantee staff's work safety, can reduce the circumstances that damages appear in various internals again.

Drawings

FIG. 1 is a schematic diagram of the subjective appearance structure of the present utility model;

FIG. 2 is a schematic diagram of a front view and semi-section structure of the present utility model;

FIG. 3 is a schematic view of the left-hand half-section structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 1 at B according to the present utility model.

In the figure: 1. an outer case; 2. a motor; 3. a threaded rotation shaft; 4. a slide plate; 5. a guide rod; 6. an inner bottom plate; 7. a first damping spring shock absorber; 8. a shock absorbing plate; 9. a support column; 10. a carrying case; 11. a second damping spring shock absorber; 12. a slide block; 13. a slide bar; 14. a fixed block; 15. a first striker; 16. an overload alarm button; 17. an overload alarm; 18. a second striker; 19. unbalanced load alarm button; 20. an unbalanced load alarm; 21. a fixed rod; 22. fixing the column; 23. a linkage rod; 24. a pressure spring; 25. a sleeve.

Detailed Description

The utility model is further illustrated by the figures and examples.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, an embodiment of the present utility model provides a mechanical lifting platform capable of reducing impact, which comprises an external box 1, wherein two sides of the bottom of the external box 1 are fixedly provided with a motor 2, an output end of the motor 2 is provided with a threaded rotation shaft 3, a surface of the threaded rotation shaft 3 is in threaded connection with a sliding plate 4, the bottom of the sliding plate 4 is fixedly connected with a first damping spring shock absorber 7, the bottom of the first damping spring shock absorber 7 is fixedly connected with a shock absorbing plate 8, the bottom of the sliding plate 4 is fixedly connected with an inner bottom plate 6, the bottom of the inner bottom plate 6 is fixedly connected with a second damping spring shock absorber 11, one end of the second damping spring shock absorber 11 is fixedly connected with a sliding block 12, one end of the sliding block 12 is movably connected with a sliding rod 13, one end of the sliding rod 13 is movably connected with a fixed block 14, the top of the fixed block 14 is fixedly connected with the lower surface of the shock absorbing plate 8, the top of the sliding plate 4 is fixedly provided with an unbalanced load alarm device, and the top of the inner bottom plate 6 is fixedly provided with an overload alarm device.

The screw thread rotating shaft 3 is driven to rotate through the rotation of the motor 2, the screw thread rotating shaft 3 rotates to drive the sliding plate 4 to move up and down, the sliding plate 4 moves up and down to drive the inner bottom plate 6 to move up and down, then the inner bottom plate 6 moves up and down to drive the damping plate 8 to move up and down through the first damping spring damper 7, the second damping spring damper 11 and the like, and in the moving process, the first damping spring damper 7 and the second damping spring damper 11 which are connected with the upper surface of the damping plate 8 can effectively reduce impact load generated during operation through the sliding block 12, the sliding rod 13 and the second damping spring damper 11 which are connected with the fixed block 14, so that the purpose of reducing impact is achieved.

Referring to fig. 1 and 5, in one aspect of the present embodiment, the first damping spring shock absorber 7 includes a linkage rod 23, a pressure spring 24 is fixedly connected to the bottom of the linkage rod 23, a sleeve 25 is sleeved on the surface of the pressure spring 24, and the pressure spring 24 is fixedly connected to the bottom of the sleeve 25.

The impact received by the linkage rod 23 is transmitted to the pressure spring 24 and absorbed by the pressure spring 24 and the damping cushion block, and the sleeve 25 ensures that the moving direction of the pressure spring 24 is consistent with the stress direction, thereby ensuring that the first damping spring shock absorber 7 and the second damping spring shock absorber 11 have the impact reducing function.

Referring to fig. 1 and 2, in one aspect of the present embodiment, a support column 9 is fixedly connected to the top of the shock absorbing plate 8, and a carrying case 10 is fixedly connected to the top of the support column 9.

The load box 10 transfers the received weight and impact to the shock absorbing plate 8 through the support columns 9, and the impact is reduced by the first and second damper spring dampers 7 and 11 associated with the shock absorbing plate 8.

Referring to fig. 2 and 4, in one aspect of the present embodiment, the overload warning apparatus includes a first striker 15 and an overload alarm 17, the first striker 15 is fixedly installed at the bottom of the shock absorbing plate 8, the overload alarm 17 is fixedly installed at the top of the inner bottom plate 6, and an overload warning button 16 corresponding to the first striker 15 is fixedly installed at the top of the overload alarm 17.

The weight that the carrying case 10 will receive is transmitted to the shock-absorbing plate 8 through the support column 9, and shock-absorbing plate 8 can move downwards, and if the motion is great, first firing pin 15 can touch overload alarm button 16, and overload alarm 17 sends out the alarm.

Referring to fig. 2 and 5, in one aspect of the present embodiment, the unbalanced load alarm device includes a second striker 18 and an unbalanced load alarm 20, the second striker 18 is fixedly installed at the bottom of the carrying case 10, the unbalanced load alarm 20 is fixedly installed at the top of the slide plate 4, and an unbalanced load alarm button 19 corresponding to the second striker 18 is fixedly installed at the top of the unbalanced load alarm 20.

If the weight distribution of the cargo is uneven, the cargo box 10 will incline to the heavy side, so that the second striker 18 moves downwards, and if the movement is excessive, the second striker 18 will touch the unbalanced load alarm button 19, and the unbalanced load alarm 20 will give an alarm.

Referring to fig. 1 and 3, in one aspect of the present embodiment, guide rods 5 are fixedly connected to both sides of the bottom of the outer casing 1, and a plurality of guide rods 5 are symmetrically distributed at both sides of the screw rotating shaft 3.

The slide plate 4 is limited by the plurality of guide rods 5 during the up-and-down movement, thereby ensuring that the slide plate 4 does not incline.

Referring to fig. 1 and 3, in one aspect of the present embodiment, a plurality of fixing rods 21 are fixedly connected to the bottom of the outer case 1, one end of each fixing rod 21 is fixedly connected to a fixing column 22, and the plurality of fixing rods 21 and the fixing columns 22 are symmetrically distributed on both sides of the outer case 1.

The grounding area of the platform is increased by the plurality of groups of fixing rods 21 and fixing columns 22, so that the stability of the external box body 1 is better, and the possibility of overturning caused by improper operation and external impact can be effectively reduced.

All the electric equipment in this scheme all carry out the power supply through external power supply.

Working principle: placing the mechanical lifting platform at a proper position, fixing a fixing rod 21 and a fixing column 22, placing cargoes on a carrying box 10, transmitting the weight received by the carrying box 10 to a shock absorption plate 8 through a supporting column 9, causing the shock absorption plate 8 to descend so as to drive a first probe 15 to descend, if the cargoes are loaded excessively, the first probe 15 touches an overload alarm button 16, an overload alarm 17 gives an alarm, simultaneously the carrying box 10 can incline downwards towards a heavier end when receiving uneven weight, a second firing pin 18 is driven to descend, if the weight distribution is uneven too, the second firing pin 18 touches an unbalanced load alarm button 19, the unbalanced load alarm 20 gives an alarm, after no alarm sound is determined, turning on an ascending power supply, the motor 2 operates to drive a threaded rotary shaft 3 to rotate, the threaded rotary shaft 3 rotates to drive a sliding plate 4 to ascend, the sliding plate 4 further drives an inner bottom plate 6 to ascend, the inner bottom plate 6 drives the damping plate 8 to ascend through the first damping spring shock absorber 7, the second damping spring shock absorber 11, the sliding block 12, the sliding rod 13 and the fixed block 14, finally, the damping plate 8 drives the carrying box 10 to ascend through the supporting column 9, after the carrying box 10 reaches a proper height, the ascending power supply is turned off, at the moment, the goods still keeps ascending due to inertia, the carrying box 10 can also continuously ascend under the action of the first damping spring shock absorber 7, the second damping spring shock absorber 11, the sliding block 12, the sliding rod 13 and the fixed block 14, the impact generated during ascending is absorbed by the first damping spring shock absorber 7 and the second damping spring shock absorber 11, when the carrying box 10 needs to descend, the descending power supply is turned on, after the carrying box 10 descends to the proper height, at the moment, the goods still keeps descending due to inertia, the carrying box 10 can continue ascending under the action of the first damping spring shock absorber 7, the second damping spring shock absorber 11, the sliding block 12, the sliding rod 13 and the fixed block 14 can also continuously descend under the action of the second damping spring shock absorber 11, the first damping spring shock absorber 7 and the second damping spring shock absorber 11 absorb the impact generated during descending, and then the goods are unloaded after the lifting platform is stable.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a mechanical lift platform that can reduce impact, includes outside box (1), its characterized in that: the automatic overload alarm device is characterized in that the motor (2) is fixedly mounted on two sides of the bottom of the outer box body (1), the threaded rotating shaft (3) is arranged at the output end of the motor (2), the sliding plate (4) is connected with the surface of the threaded rotating shaft (3) in a threaded mode, the first damping spring shock absorber (7) is fixedly connected with the bottom of the sliding plate (4), the shock absorbing plate (8) is fixedly connected with the bottom of the sliding plate (4), the second damping spring shock absorber (11) is fixedly connected with the bottom of the inner bottom plate (6), the sliding block (12) is fixedly connected with one end of the second damping spring shock absorber (11), the sliding rod (13) is movably connected with one end of the sliding rod (12), the fixed block (14) is fixedly connected with the lower surface of the shock absorbing plate (8), the overload alarm device is fixedly mounted on the top of the sliding plate (4), and the overload alarm device is fixedly mounted on the bottom of the inner bottom plate (6).

2. A mechanical lift platform capable of reducing shock according to claim 1, wherein: the first damping spring shock absorber (7) comprises a linkage rod (23), a pressure spring (24) is fixedly connected to the bottom of the linkage rod (23), a sleeve (25) is sleeved on the surface of the pressure spring (24), and the pressure spring (24) is fixedly connected with the bottom of the sleeve (25).

3. A mechanical lift platform capable of reducing shock according to claim 1, wherein: the top fixedly connected with support column (9) of shock attenuation board (8), the top fixedly connected with of support column (9) carries thing case (10).

4. A mechanical lift platform capable of reducing shock according to claim 1, wherein: the overload alarm device comprises a first firing pin (15) and an overload alarm (17), wherein the first firing pin (15) is fixedly arranged at the bottom of the shock-absorbing plate (8), the overload alarm (17) is fixedly arranged on the upper surface of the bottom of the inner bottom plate (6), and an overload alarm button (16) corresponding to the first firing pin (15) is fixedly arranged at the top of the overload alarm (17).

5. A mechanical lift platform capable of reducing shock according to claim 1, wherein: the unbalanced load alarm device comprises a second firing pin (18) and an unbalanced load alarm (20), wherein the second firing pin (18) is fixedly arranged at the bottom of the carrying box (10), the unbalanced load alarm (20) is fixedly arranged at the top of the sliding plate (4), and an unbalanced load alarm button (19) corresponding to the second firing pin (18) is fixedly arranged at the top of the unbalanced load alarm (20).

6. A mechanical lift platform capable of reducing shock according to claim 1, wherein: guide rods (5) are fixedly connected to two sides of the bottom of the outer box body (1), and the guide rods (5) are symmetrically distributed on two sides of the threaded rotating shaft (3).

7. A mechanical lift platform capable of reducing shock according to claim 1, wherein: the bottom fixedly connected with a plurality of dead levers (21) of outside box (1), the one end fixedly connected with fixed column (22) of dead lever (21), a plurality of dead levers (21) and fixed column (22) symmetric distribution are in the both sides of outside box (1).