CN210284031U

CN210284031U - Lifting mechanism

Info

Publication number: CN210284031U
Application number: CN201920848876.XU
Authority: CN
Inventors: 郑再象; 许�鹏; 王辉; 王世楠; 刘龙婷; 陆秋懿
Original assignee: Yangzhou University
Current assignee: Yangzhou University
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-04-10
Anticipated expiration: 2029-06-06

Abstract

An equipment lifting mechanism belongs to the technical field of mechanical equipment and comprises a supporting plate, a loading slope, wheel grooves, a front bearing wheel, a rear bearing wheel, a bracket, a moving frame, a hydraulic rod, a connecting beam, a fixed gear, a first reducing wheel, a second reducing wheel, a motor bracket, a self-locking motor, a protective cover and a cable-stayed steel cable, the bracket is fixed at the two sides of the carriage tail, the connecting beam is fixed above the carriage tail, when the goods are not carried, the supporting plate is put down and put down to the ground, the equipment is pushed to the supporting plate through the feeding slope, then the hydraulic control system controls the moving end of the hydraulic rod to move upwards to lift the equipment to the height which is flush with the bottom surface in the carriage, the equipment is transported to the vehicle, when the equipment needs to be unloaded, the supporting plate is adjusted to be horizontal in the same way, then the equipment is controlled to be conveyed onto the supporting plate, the movement end of the hydraulic rod is controlled to move downwards through the hydraulic control system, and the equipment is put down. The utility model discloses reduced the use of material, the race damage is little, and the lift is lifted to the pressure-bearing strong.

Description

Lifting mechanism

Technical Field

The utility model belongs to the technical field of mechanical equipment, a lift lifting mechanism is related to.

Background

When equipment transport, because the carriage of freight train has certain height apart from the bottom surface, so very difficulty when equipment transportation, current spout slider formula elevation structure commonly used is great to spout slider friction damage to the power of tearing to the spout both sides that receives the slider, and the support atress structural thickness of both sides also can require very high, so the steel cost requires highly. Therefore, there is a need for a lifting device capable of solving the problem of difficulty in transportation of equipment and increasing the lifting bearing pressure of equipment in a limited material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lift lifting mechanism to the not enough of existence among the above-mentioned prior art, can reduce the material and use, reduce the damage of race, further strengthen the pressure-bearing lift.

The technical scheme of the utility model is that: a lifting mechanism comprises a supporting plate, a loading slope, a front pressure bearing wheel, a rear pressure bearing wheel, a bracket, a moving frame, a hydraulic rod, a connecting beam, a fixed gear, a first reducing gear, a second reducing gear, a motor bracket, a self-locking motor, a protective cover and an inclined pull steel cable; the method is characterized in that: the supporting plate and two supports with I-shaped cross sections form a main body structure, the connecting supporting plate, the supports, the front pressure bearing wheel, the rear pressure bearing wheel and the motion frame form a traction structure, an angle adjusting mechanism formed by connecting a fixed gear, a first speed reducing wheel, a second speed reducing wheel, a motor support, a self-locking motor and a protective cover is arranged on the side surface of the supporting plate, a fixed gear is fixedly clamped on each of the two side surfaces of the supporting plate in the angle adjusting mechanism, a plate-shaped structure is arranged below the motion frame, two bearing seats are arranged on the plate-shaped structure, the two bearing seats are respectively matched with the first speed reducing wheel and the second speed reducing wheel through gear shafts, the first speed reducing wheel is meshed with the fixed gear, the first speed reducing wheel is meshed with the second speed reducing wheel, the motion frame is welded with a motor support through a bearing, the self-locking motor is arranged on the motor support, the driving gear and the second reduction gear are meshed with each other; the front and back of support form two vertical race, two the side top of support adopts a tie beam to connect perpendicularly, the race fit before the support has a preceding pressure-bearing wheel, the race fit behind the support has a back pressure-bearing wheel, and the level of back pressure-bearing wheel is higher than the level of preceding pressure-bearing wheel, all be connected with a pivot through the bearing in preceding pressure-bearing wheel, the back pressure-bearing wheel, two pivots are connected through the motion frame of an slope, the rotor plate both sides are fixed with the bearing frame, and the preceding lower corner of the complex motion frame all is fixed with a pivot on two supports, the rotor plate passes through the bearing frame nestification in the pivot of the preceding lower corner of two motion frames to set up the fluting that prevents preceding pressure-bearing wheel interference on the rotor plate simultaneously.

The gear ratio of the driving gear to the second speed reducing wheel to the first speed reducing wheel to the fixed gear is 3:7:14: 5.

The outer side of the angle adjusting mechanism is fixedly provided with a protective cover by adopting a bolt, a rubber gasket with the thickness not less than three millimeters is arranged on the part of the protective cover, which is in contact with the moving frame, and the gasket is not filled on the part of the protective cover, which is in contact with the supporting plate, so that a gap is preset between the protective cover and the supporting plate.

The feeding slope is arranged at the front end of the supporting plate and is of a slope structure.

And two sides of the support are respectively provided with a vertical downward hydraulic rod, and the moving end of the lower end of the hydraulic rod is connected to the moving frame through a hinged support.

Two fixed shafts are arranged on two sides of the supporting plate, an oblique-pulling steel cable is respectively nested on each fixed shaft, the other end of each oblique-pulling steel cable is fixed on the moving frame, and the length of each oblique-pulling steel cable meets the requirement that the oblique-pulling steel cables are in a stretched straight state when the supporting plate is horizontal.

The treads of the front pressure bearing wheel and the rear pressure bearing wheel are solid rubber treads.

The utility model has the advantages that: the utility model provides a pair of lift lifting mechanism, novel structure, the theory of operation is clear, through fixing the support in carriage tail both sides, the tie-beam is fixed in carriage tail top, when not hanging the load goods, put down the layer board and put down the layer board to ground, push away to the layer board through the material loading slope, rethread hydraulic control system control hydraulic stem motion end upward movement rises equipment to with the height of carriage inner bottom parallel and level, transport equipment to the car in, when equipment need unload and get, after the layer board is transferred to the level to the principle, controlgear transports to the layer board again, move down through hydraulic control system control hydraulic stem motion end, put down equipment. The utility model discloses a two extrusion forces in opposite directions, the support atress structure thickness that two extrusion forces can bear can share, has reduced the use of material, and rubber wheel damping performance is good, and the race damage is little, and the lift is lifted to the pressure-bearing strong.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the adjusting and amplifying structure of the middle support plate of the present invention.

Fig. 3 is a schematic view of the installation structure of the present invention.

Fig. 4 is the utility model discloses well preceding pressure-bearing wheel, back pressure-bearing wheel mounting structure sketch map.

In the figure: the device comprises a supporting plate 1, a feeding slope 2, a wheel groove 3, a front pressure bearing wheel 4, a rear pressure bearing wheel 5, a support 6, a moving frame 7, a hydraulic rod 8, a connecting beam 9, a fixed gear 10, a first reducing wheel 11, a second reducing wheel 12, a motor support 13, a motor 14, a protective cover 15 and an inclined pull steel cable 16.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-4, an apparatus lifting mechanism includes a supporting plate 1, a loading ramp 2, a front pressure-bearing wheel 4, a rear pressure-bearing wheel 5, a bracket 6, a moving frame 7, a hydraulic rod 8, a connecting beam 9, a fixed gear 10, a first reduction gear 11, a second reduction gear 12, a motor bracket 13, a self-locking motor 14, a protective cover 15, and a cable-stayed steel cable 16. The supporting plate 1 and two supports 6 with cross sections of I-shaped structures form a main body structure, a traction structure is formed by connecting the supporting plate 1, the supports 6, a front pressure-bearing wheel 4, a rear pressure-bearing wheel 5 and a moving frame 7, an angle adjusting mechanism formed by connecting a fixed gear 10, a first reducing gear 11, a second reducing gear 12, a motor support 13, a self-locking motor 14 and a protective cover 15 is arranged on the side surface of the supporting plate 1, the fixed gear 10 is fixedly clamped on each side surface of the supporting plate 1 in the angle adjusting mechanism, a platy structure is arranged below the moving frame 7, two bearing seats are arranged on the platy structure, the two bearing seats are respectively matched with the first reducing gear 11 and the second reducing gear 12 through gear shafts, wherein the first reducing gear 11 is mutually meshed with the fixed gear 10, the first reducing gear 11 is mutually meshed with the second reducing gear 12, the moving frame 7 is welded with the motor support 13 through a bearing, the self-locking motor 14 is, the output end of the self-locking motor 14 is provided with a driving gear, and the driving gear is meshed with the second reducing gear 12; the front and back of support 6 forms two vertical race 3, the side top of two supports 6 adopts a connecting beam 9 to connect perpendicularly, race 3 fit in front of support 6 has a preceding pressure-bearing wheel 4, race 3 fit in behind support 6 has a back pressure-bearing wheel 5, the level height of back pressure-bearing wheel 5 is higher than the level height of preceding pressure-bearing wheel 4, all be connected with a pivot through the bearing in the back pressure-bearing wheel 5, two pivots are connected through an inclined motion frame 7, rotor plate 1 both sides are fixed with the bearing frame, the preceding lower corner of complex motion frame 7 all is fixed with a pivot on two supports 6, rotor plate 1 nests in the pivot in the preceding lower corner of two motion frames 7 through the bearing frame, and set up the fluting that prevents the interference of preceding pressure-bearing wheel 4 simultaneously on the rotor plate.

As shown in FIGS. 1-4, the gear ratio of a driving gear, a second reducing gear 12, a first reducing gear 11 and a fixed gear 10 is 3:7:14: 5; a protective cover 15 is fixedly arranged on the outer side of the angle adjusting mechanism by adopting a bolt, a rubber gasket with the thickness not less than three millimeters is arranged on the part of the protective cover 15, which is in contact with the moving frame 7, and the gasket is not padded on the part of the protective cover 15, which is in contact with the supporting plate 1, so that a gap is preset between the protective cover 15 and the supporting plate 1; the feeding slope 2 is arranged at the front end of the supporting plate 1 and is of a slope structure; two sides of the bracket 6 are respectively provided with a vertical downward hydraulic rod 8, and the moving end of the lower end of the hydraulic rod 8 is connected to the moving frame 7 through a hinged support; two fixed shafts are arranged on two sides of the supporting plate 1, a diagonal steel cable 16 is nested on each fixed shaft, the other end of each diagonal steel cable 16 is fixed on the moving frame 7, and the length of each diagonal steel cable 16 is required to be in a stretched state when the supporting plate 1 is horizontal; the treads of the front pressure-bearing wheel 4 and the rear pressure-bearing wheel 5 are solid rubber treads.

As shown in fig. 1-4, the working principle of a device lifting mechanism is as follows: when the supporting frame is used, the support 6 is fixed on two sides of the tail of the carriage, the connecting beam 9 is fixed above the tail of the carriage, when goods are not hung, because of the self weight of the supporting plate 1, the front pressure-bearing wheel 4 can press the support 6 backwards due to the lever principle, and the rear pressure-bearing wheel presses the support 6 forwards, compared with the traditional sliding chute sliding block structure, the pressure-bearing mode can not cause large friction damage to the sliding chute sliding block like the traditional sliding chute sliding block structure, the force of the sliding chute on the sliding chute is tearing force towards two sides of the sliding chute, the thickness of the supporting stress structure on two sides can also require high, two opposite extrusion forces are adopted in the scheme, so that the thickness of the supporting stress structure borne by the two extrusion forces can be shared, the material use is further reduced, the sliding chute sliding block structure is tearing force, the support 6 with the I-shaped structure adopted in the scheme is more suitable for bearing the twisting force, the power transmission end of the self-locking motor 14 is connected in series with a power supply and a time relay switch (the time relay is CHNT JS11S 99S), the switch of the time relay is started, the time relay of the supporting plate 1 is put down, the forward power pulse of the time relay for starting a certain time controls the self-locking motor to rotate forward, the forward rotation of the self-locking motor 14 sequentially passes through the driving gear, the second reducing gear 12 and the first reducing gear 11 to control the fixed gear 10 to rotate, the fixed gear 10 is fixed on the supporting plate 1, the supporting plate 1 can be rotated to the horizontal, the hydraulic control system (the hydraulic control system is the direct application of the utility model, which does not belong to the protection range of the utility model), the hydraulic control system is the common hydraulic pump control principle and structure, and is the common means of the known technology) controls the hydraulic rod 8 to move downwards to control the front bearing wheel 4, the rear bearing wheel 5, the supporting plate, push away to layer board 1 through material loading slope 2 at equipment on, 8 motion ends upward movement of hydraulic stem through hydraulic control system control rises equipment to and the carriage in the height of bottom surface parallel and level, with equipment transport to the car in, draw steel cable 16 to one side and be used for the layer board to provide certain equilibrium force of dragging when the pressure-bearing, equipment load finishes the back layer board accessible time relay and open the reverse power impulse control self-locking motor 14 reversal of certain time and control layer board 1 for vertical state, when equipment need unload when getting, the same reason is transferred layer board 1 to the level after, controlgear transports to layer board 1 again, move down through hydraulic control system control hydraulic stem motion end, put down equipment.

Claims

1. A lifting mechanism comprises a supporting plate (1), a loading slope (2), a front bearing wheel (4), a rear bearing wheel (5), a support (6), a moving frame (7), a hydraulic rod (8), a connecting beam (9), a fixed gear (10), a first reducing gear (11), a second reducing gear (12), a motor support (13), a self-locking motor (14), a protective cover (15) and a diagonal steel cable (16); the method is characterized in that: the supporting plate (1) and two supports (6) with cross sections of I-shaped structures form a main body structure, the supporting plate (1), the supports (6), a front pressure bearing wheel (4), a rear pressure bearing wheel (5) and a moving frame (7) form a traction structure, an angle adjusting mechanism formed by connecting a fixed gear (10), a first reducing wheel (11), a second reducing wheel (12), a motor support (13), a self-locking motor (14) and a protective cover (15) is arranged on the side surface of the supporting plate (1), a fixed gear (10) is fixedly clamped on each of the two side surfaces of the supporting plate (1) in the angle adjusting mechanism, a plate-shaped structure is arranged below the moving frame (7), two bearing seats are arranged on the plate-shaped structure, the two bearing seats are respectively matched with the first reducing wheel (11) and the second reducing wheel (12) through a gear shaft, wherein the first reducing wheel (11) and the fixed gear (10) are mutually, the first speed reducing wheel (11) is meshed with the second speed reducing wheel (12), the moving frame (7) is welded with a motor support (13) through a bearing or a self-locking motor (14) is mounted on the motor support (13), the output end of the self-locking motor (14) is provided with a driving gear, and the driving gear is meshed with the second speed reducing wheel (12); the front and back surfaces of the supports (6) form two vertical wheel grooves (3), a connecting beam (9) is adopted to vertically connect the two sides of the supports (6), a front bearing wheel (4) is matched in the wheel groove (3) in front of the supports (6), a rear bearing wheel (5) is matched in the wheel groove (3) behind the supports (6), the horizontal height of the rear bearing wheel (5) is higher than that of the front bearing wheel (4), the front bearing wheel (4) and the rear bearing wheel (5) are both internally connected with a rotating shaft through bearings, the two rotating shafts are connected through an inclined moving frame (7), bearing seats are fixed on the two sides of the supporting plate (1), a rotating shaft is fixed on the front lower corner of the moving frame (7) matched on the two supports (6), the supporting plate (1) is nested on the rotating shaft of the front lower corners of the two moving frames (7) through the bearing seats, and at the same time, a slot for preventing the interference of the front pressure bearing wheel (4) is arranged on the rotating plate.

2. The lift and lift mechanism of claim 1, wherein: the gear ratio of the driving gear, the second reducing gear (12), the first reducing gear (11) and the fixed gear (10) is 3:7:14: 5.

3. The lift and lift mechanism of claim 1, wherein: the angle adjusting mechanism outside adopts the bolt fastening to be equipped with a protective cover (15), and the part that protective cover (15) and motion frame (7) contact is equipped with the rubber gasket that thickness is not less than three millimeters, and the gasket is not got to the part that protective cover (15) and layer board (1) contact, makes and is predetermine gappedly between protective cover (15) and layer board (1).

4. The lift and lift mechanism of claim 1, wherein: the feeding slope (2) is arranged at the front end of the supporting plate (1) and is of a slope structure.

5. The lift and lift mechanism of claim 1, wherein: and two sides of the support (6) are respectively provided with a vertical downward hydraulic rod (8), and the moving end of the lower end of the hydraulic rod (8) is connected to the moving frame (7) through a hinged support.

6. The lift and lift mechanism of claim 1, wherein: two fixed shafts are arranged on two sides of the supporting plate (1), an oblique pull steel cable (16) is nested on each fixed shaft, the other end of the oblique pull steel cable (16) is fixed on the moving frame (7), and the length of the oblique pull steel cable (16) meets the requirement that the oblique pull steel cable (16) is in a stretched straight state when the supporting plate (1) is horizontal.

7. The lift and lift mechanism of claim 1, wherein: the treads of the front pressure bearing wheel (4) and the rear pressure bearing wheel (5) are solid rubber treads.