CN216472129U - Elevator and elevator system - Google Patents

Abstract

The utility model belongs to the technical field of the material transportation, a lift and lift system is disclosed, the lift includes the mount pad, limiting plate and anti-falling device, vertical direction motion can be followed to the mount pad, a plurality of slots along vertical direction are seted up to the limiting plate, anti-falling device links to each other with the mount pad, anti-falling device includes the locating part of two vertical ranges, the mount pad is when the optional position, at least one locating part can insert just right slot, realize the instant spacing effect of limiting plate to anti-falling device, and the mount pad that prevents to load the product in time takes place to fall, avoid the unable timely stopping of mount pad that leads to of pegging graft the inserting groove of locating part to fall, effectively avoid the damage of product or the injures and deaths of personnel. The utility model discloses an operating system is through using above-mentioned lift, can realize the timely effect of preventing falling of product, guarantees the quality of product, and can avoid personnel's injures and deaths.

Description

Elevator and elevator system

Technical Field

The utility model relates to a material transport technical field especially relates to a lift and lift system.

Background

An elevator refers to a lifting mechanism or device for a platform or semi-enclosed platform that carries people or goods up and down on vertical upper and lower aisles. Can lift people or goods to a certain height, and is widely applied to high-altitude operation and maintenance of factories, automatic warehouses, parking lots, municipalities, wharfs, buildings, decorations, logistics, electric power, traffic, petroleum, chemical engineering, hotels, gymnasiums, industrial mines, enterprises and the like.

The existing elevator comprises an installation frame, a driving mechanism and an installation seat, the installation seat is used for installing a product, and the driving mechanism can drive the installation seat to move along a vertical direction relative to the installation frame so as to realize the lifting of the product along the vertical direction. However, due to the fact that the product is too heavy or the driving mechanism fails, the installation seat provided with the product falls, the product and the installation seat are damaged, the falling product possibly falls onto the body of field operating personnel, and the field operating personnel are injured and killed.

For solving the problem, the existing elevator further comprises a falling prevention device and a limiting plate, wherein a plurality of slots are arranged at intervals along the vertical direction on the limiting plate, the falling prevention device comprises a driving mechanism and a limiting part, the driving mechanism is connected with the mounting seat, the driving mechanism drives the limiting part to stretch out to be inserted into the slots, the limiting part is inserted into the slots and matched with the slots, and the falling prevention effect on the mounting seat and products on the mounting seat can be realized. But the locating part can beat the position between two adjacent slots when stretching out, leads to the locating part just to peg graft in the next slot after following the mount pad gliding a period, leads to the limiting plate to have certain hysteresis quality to anti-falling device's spacing, leads to the mount pad can't in time stop falling to product on the lead to the mount pad collides with other devices or ground and takes place to damage, still can lead to operating personnel to take place the injures and deaths.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift can in time prevent to carry the mount pad of product to take place to fall, effectively avoids the damage of product or the injures and deaths of personnel.

To achieve the purpose, the utility model adopts the following technical proposal:

an elevator, comprising: the mounting seat is used for mounting a piece to be mounted and can move along the vertical direction; the limiting plate is provided with a plurality of slots which are distributed at intervals in the vertical direction;

the elevator further comprises:

the anti-falling device is connected with the mounting seat and comprises two limiting parts which are arranged along the vertical direction, and when the mounting seat is at any position in the vertical direction, at least one limiting part can be inserted into the right slot.

Furthermore, the limiting members are limiting pins, the slots are arranged at equal intervals and are identical long grooves, the length of each long groove is S1, the interval between every two adjacent long grooves is S2, the distance between every two adjacent limiting members is a first distance L1, the sum of the first distance L1 and the diameter of two times of the limiting pins is a second distance L2, L1 is greater than S2, L2 is smaller than S1, and S2 is smaller than S1.

Further, the fall protection device further comprises: the shell is connected with the mounting seat; and the linear driving mechanism is arranged on the shell, and the output end of the linear driving mechanism is connected with the limiting part.

Further, the fall protection device further comprises: the guide piece is arranged on the shell, a guide hole is formed in the guide piece, and the limiting piece is connected in the guide hole and can slide along the guide hole.

Further, the fall protection device further comprises: and the damping mechanism is arranged between the shell and the mounting seat.

Further, the elevator further includes: the mounting base is connected with the mounting frame in a sliding manner; and the driving mechanism is configured to drive the mounting seat to slide relative to the mounting frame along the vertical direction.

Further, the drive mechanism includes: the motor is arranged on the mounting frame; and the screw and nut assembly comprises a shell, a screw and a nut, the shell is connected with the mounting frame, the screw is pivoted with the shell and fixedly connected with the output end of the motor, the screw is in threaded connection with the nut, and the nut is connected with the mounting seat.

Further, the elevator further includes: and the guide mechanism is arranged between the mounting seat and the mounting frame and is configured to guide the mounting seat so that the mounting seat moves along the vertical direction relative to the mounting frame.

Further, the guide mechanism includes: the guide rail extends along the vertical direction and is arranged on the mounting rack; and the guide block is connected with the guide rail in a sliding way and is connected with the mounting seat.

Another object of the present invention is to provide a lift system, which can prevent the mounting seat carrying the product from falling in time, and effectively avoid the damage of the product or the casualties of the personnel.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a lift system, includes two lifts, and two lifts set up side by side, the both ends of middle crossbeam respectively with the mount pad fixed connection of two lifts, and the middle crossbeam is used for the installation to treat the lift product.

Has the advantages that:

the utility model provides a lift and lift system cooperatees with the limiting plate of installing on the lift through set up two locating parts of arranging along vertical direction on anti-falling device, can reach when the mount pad takes place to fall at vertical direction optional position, and at least one locating part can insert the emergence that prevents to fall in the limiting plate, realizes the limiting plate to anti-falling device's instant spacing effect, guarantees product safety, avoids economic loss and casualties, simple structure, and it is convenient to make.

Drawings

Fig. 1 is a schematic structural view of the elevator of the present invention;

fig. 2 is a schematic structural diagram of the fall-preventing device of the present invention;

fig. 3 is a schematic structural view of the fall-preventing device of the present invention;

fig. 4 is a schematic structural view three of the fall-preventing device of the present invention;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;

fig. 6 is a fourth schematic structural view of the fall-preventing device of the present invention.

In the figure:

1. a mounting seat; 11. a mounting base body; 12. an installation part; 121. a reinforcing rib portion; 122. a reinforcing rib seat; 14. a product seat; 141. an "L" shaped stent; 1411. a first connection portion; 1412. a second connecting portion; 142 mounting plates;

2. a fall arrest device; 21. a housing; 211. a housing upper plate; 212. a housing upper beam; 213. a housing front plate; 214. a housing back plate; 215. a lower cross beam of the housing; 216. a lower plate of the housing; 217. a guide member; 22. a stopper; 23. a stud bolt; 24. a damping mechanism; 241. a stud; 242. locking the nut; 243. a spring; 25. a linear drive mechanism;

3. a limiting plate; 31. a slot;

4. a mounting frame; 41. an upper support plate; 411. a housing mounting groove; 42. side supporting plates; 43. a lower support plate; 431. a motor mounting groove; 44. a middle support beam; 441. a housing fixture block; 442. a middle support beam body; 45. reinforcing rib plates;

5. a drive mechanism; 51. a motor; 511. a motor body; 512. a motor support pad; 52. a housing;

6. a guide mechanism; 61. a guide rail; 62. a guide block;

7. a stroke detection member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

This embodiment provides a lift system, and this lift system includes middle crossbeam and two lifts that set up side by side along the fore-and-aft direction, and the lift includes mounting bracket 4, mount pad 1 and actuating mechanism 5, and mounting bracket 4 sets up on table surface, and mounting bracket 4 provides the support for mount pad 1 and actuating mechanism 5. Mount pad 1 and 4 sliding connection of mounting bracket, the both ends of middle crossbeam respectively with the 1 fixed connection of mount pad of two lifts, the middle crossbeam is used for the installation to treat the product that goes up and down, actuating mechanism 5 is used for driving the relative mount pad 4 of mount pad 1 and moves along vertical direction, two lifts simultaneous working to it is stable on the horizontal direction not to incline when rising and descending to realize treating the lift product on the middle crossbeam. The exemplary product to be lifted may be a large liquid crystal panel, and of course, other products to be processed may also be used, and the present application is not limited thereto.

The structure of the mounting bracket 4 is described with reference to fig. 1, as shown in fig. 1, the mounting bracket 4 includes an upper supporting plate 41, a lower supporting plate 43 and two side supporting plates 42, wherein the two side supporting plates 42 are arranged side by side and at intervals along the left-right direction, the upper supporting plate 41 and the lower supporting plate 43 are respectively arranged at the upper end and the lower end of the two side supporting plates 42, the upper supporting plate 41, the lower supporting plate 43 and the two side supporting plates 42 form a clip frame structure, the clip frame structure is stable in overall shape, and the mounting bracket 1, the driving mechanism 5, the middle cross beam and the stable support of the product to be lifted can be realized. The area of the lower supporting plate 43 is large, the lower supporting plate 43 can be in contact with the working table in a large area, and the mounting frame 4 mounted on the working table can be prevented from shaking back and forth on the horizontal plane. Specifically, the lower support plate 43 may be fixed to the work table by a locking structure such as a bolt and nut combination. In addition, the nuts and the bolts are separated by screwing the nuts, so that the lower supporting plate 43 and the working table can be unlocked, and an operator can conveniently move the mounting frame 4 to different working tables for fixing according to needs.

Preferably, as shown in fig. 1, the mounting bracket 4 further includes a middle support beam 44, the middle support beam 44 is disposed between the two side support plates 42 to provide mounting support for the components mounted on the mounting bracket 4, and simultaneously, the connection strength of the two side support plates 42 is enhanced, so that the frame is more stable in structure and has greater bearing capacity. Specifically, the end surfaces of the two sides of the middle support beam 44 are respectively fixed to the inner side surfaces of the two side support plates 42 by screws or welding. Alternatively, the middle support beam 44 is provided in plural, and the plural middle support beams 44 are uniformly distributed on the mounting frame 4 in the up-down direction of the mounting frame 4. The connection strength of the two side support plates 42 is further strengthened, so that the structure of the square frame is further stable, and the mounting rack 4 has larger bearing capacity.

As a preferred scheme, as shown in fig. 1, the mounting bracket 4 further includes a reinforcing rib plate 45, the lower end of the side supporting plate 42 is connected with the lower supporting plate 43 through a reinforcing rib plate 45, the upper end of the side supporting plate 42 is connected with the upper supporting plate 41 through a reinforcing rib plate 45, the mounting bracket 4 can be prevented from deforming when receiving gravity by the reinforcing rib plate 45, the strength, hardness and service life of the mounting bracket 4 are improved, and the mounting bracket 4 can stably support the mounting base 1, the driving mechanism 5, the middle cross beam and a product to be lifted.

Referring to fig. 1, the structure of the drive mechanism 5 will be described, and as shown in fig. 1, the drive mechanism 5 includes: motor 51 and lead screw nut component, motor 51 set up on mounting bracket 4, and the lead screw nut component includes shell 52, lead screw and nut, and shell 52 is connected with mounting bracket 4, lead screw and shell 52 pin joint and with motor 51's output fixed connection, lead screw and nut threaded connection, the nut setting is on mount pad 1, the motor is rotating electrical machines. When the motor 51 works, the output end drives the screw rod connected with the motor to rotate, the screw rod drives the nut to move up and down along the screw rod, and the nut drives the mounting seat 1 to slide along the vertical direction relative to the mounting frame 4. The combination of the screw rod and the nut can change rotary motion into reciprocating motion through a simple structure, has a self-locking function, can solve the problem that a product or a person cannot easily fall after arriving at a certain position by the elevator, and ensures the safety of the product and the person.

In other embodiments, actuating mechanism 5 still can be the cylinder, and the output of cylinder is connected with mount pad 1, and the output of cylinder can drive mount pad 1 along vertical direction reciprocating motion, and the cylinder is compared in lead screw nut component, and the structure of cylinder is simpler.

Specifically, as shown in fig. 1, the driving mechanism 5 is installed at the center of the mounting bracket 4, so that the pressure of the driving mechanism 5 borne by each part of the mounting bracket 4 is more uniform, and serious loss of a certain part of the mounting bracket 4 due to long-term large pressure is avoided, thereby reducing the maintenance frequency of the elevator. Particularly, motor mounting groove 431 has been seted up at the center of lower support plate 43, and shell mounting groove 411 has been seted up at upper support plate 41 center, and the motor 51 spiro union is on the diapire of motor mounting groove 431, and is concrete, with the screw with the motor 51 spiro union on the diapire of motor mounting groove 431, can realize the locking and the unblock of the relative mounting bracket 4 of motor 51 through revolving the screw to realize the installation and the dismantlement of motor 51 easily, make things convenient for the staff to maintain. The housing 52 is inserted into the housing mounting slot 411 and attached to the housing mounting slot 411. The shell mounting groove 411 provides a limit for the shell 52, and ensures that the shell 52 can not be dislocated relative to the mounting frame 4 due to shaking in a working state, thereby reducing the occurrence of accidents. When the housing 52 is mounted to the upper support plate 41, the upper end surface of the housing 52 is flush with the upper end surface of the upper support plate 41 to ensure the aesthetic appearance of the elevator end.

Further, as shown in fig. 1, the motor 51 includes a motor body 511 and a motor support pad 512, wherein the motor support pad 512 is disposed at a lower end portion of the motor body 511 in contact with the lower support plate 43. The motor 51 is placed in the motor mounting groove 431 through the motor supporting pad 512, and the motor supporting pad 512 is made of rubber. The motor supporting pad 512 made of rubber material not only can provide support for the motor 51, but also can attenuate and isolate the vibration generated by the motor 51 in the working process due to the performance of the rubber material, so that the vibration generated by the motor 51 is prevented from being transmitted to the mounting frame 4, and the parts mounted on the mounting frame 4 are vibrated to damage the products mounted on the elevator.

Further, as shown in fig. 1, the middle support beam 44 includes a middle support beam main body 442 and a shell clamping block 441, the shell clamping block 441 is arranged on the middle support beam main body 442, the shell clamping block 441 corresponds to the shell clamping block 441, a clamping groove is arranged on the shell 52, and the shell clamping block 441 is matched with the clamping groove, so that the middle support beam 44 clamps the shell 52, the limitation of the mounting frame 4 to the shell 52 is further strengthened, the shell 52 is more firmly mounted with the mounting frame 4, and the probability of accidents caused by the dislocation of the shell 52 relative to the mounting frame 4 in the working process is further reduced. Specifically, the housing latch 441 is screwed to the middle support beam body 442, so as to facilitate the mounting and dismounting of the housing latch 441, and thus the mounting and dismounting of the housing 52 with respect to the mounting bracket 4.

As a preferable scheme, as shown in fig. 1, the elevator further includes a guide mechanism 6, the guide mechanism 6 is disposed between the mounting base 1 and the mounting frame 4, and the guide mechanism 6 is used for guiding the mounting base 1, so that the mounting base 1 moves in the vertical direction relative to the mounting frame 4, and the smoothness of the mounting base 1 sliding in the vertical direction of the mounting frame 4 is ensured. Specifically, as shown in fig. 1, the guide mechanism 6 includes a guide rail 61 and a guide block 62, the guide rail 61 extends in the vertical direction and is disposed on the mounting bracket 4, the guide block 62 is slidably connected to the guide rail 61 and is connected to the mounting base 1, and a good guiding effect on the mounting base 1 can be achieved by the cooperation of the guide block 62 and the guide rail 61. Optionally, the guide block 62 is provided with a ball at a position where the ball contacts the guide rail 61 and slides relative to the guide rail 61, the ball contacts the guide rail 61, and the sliding between the surfaces is changed into rolling of the ball relative to the guide rail surface, so that the friction between the guide block 62 and the guide rail 61 is reduced, the driving force is further reduced, and the loss of the electric quantity of the motor 51 is reduced. Further, the heat generated by friction is reduced due to the reduction of the friction force, so that the loss of the guide block 62 and the guide rail 61 caused by the heat is reduced, and the service life of the guide block 62 and the guide rail 61 is prolonged.

Further, as shown in fig. 1, two guide rails 61 are provided, two guide rails 61 are respectively disposed on the left and right side support plates 42, the two guide rails 61 are arranged in the left and right direction and are arranged in parallel, each guide rail 61 has a one-to-one guide block 62, and by the arrangement of the two guide rails 61, the stability of the mounting base 1 in the left and right direction when sliding along the guide mechanism 6 can be ensured, and the mounting base 1 does not deviate in the left and right direction relative to the mounting base 4.

Alternatively, as shown in fig. 1, the guide block 62 is disposed at the rear side of the mounting base 1, the guide rail 61 is disposed at the front side of the mounting base 4, so that the rear side of the mounting base 1 is slidably connected with the mounting base 4, the product base 14 is disposed at the front side of the mounting base 1, and the product to be lifted is mounted on the product base 14. Compared with the connection mode that the guide block 62 is arranged on the outer side of the mounting seat 1 in the left-right direction, the mounting mode of the embodiment can arrange the mounting seat 1 in the limited space in the left-right direction as much as possible, the size of the mounting seat 1 in the left-right direction is larger, and the mounting seat 1 can realize the mounting of the product seat 14 with larger size and the product.

Optionally, the product base 14 includes two "L" shape supports 141 and a mounting plate 142, the two "L" shape supports 141 are fixedly arranged at the front side of the mounting base 1 at intervals along the left-right direction, two ends of the mounting plate 142 are respectively fixedly connected with the two "L" shape supports 141, and the mounting plate 142 is used for mounting a product to be lifted, and can provide more stable support for the product.

Specifically, the "L" -shaped bracket 141 includes a first connection portion 1411 and a second connection portion 1412, wherein the first connection portion 1411 extends along the vertical direction and has a length equal to the vertical width of the mounting base, so as to ensure that the upper and lower ends of the first connection portion 1411 are flush with the upper and lower ends of the mounting base 1 after the first connection portion 1411 is fixedly connected to the front side of the mounting base 1, thereby making the appearance of the mounting base 1 more beautiful. The second connection portion 1412 extends in the front-rear direction and has the same length as the width of the mounting plate 142, so that when the two ends of the mounting plate 142 are respectively mounted above the second connection portions 1412 of the two L-shaped brackets 141, the L-shaped brackets 141 are flush with the front end of the mounting plate 142, and the appearance of the product holder 14 is more attractive. The rear end of the second connection portion 1412 is connected to the front side of the lower portion of the first connection portion 1411 such that the first connection portion 1411 is integrated with the second connection portion 1412, thereby forming an "L" -shaped bracket 141. Optionally, the second connecting portion 1412 is a right triangle, the length of a long right-angle side of the right triangle is the same as the width of the product holder 14, and the left and right end portions of the mounting plate 142 are mounted on the long right-angle side of the second connecting portion 1412; the short right-angle side of which is connected to the first connection 1411. The right angle triangular configuration enhances the stability and support strength of the product holder 14, thereby allowing the product holder 14 to have greater load bearing capacity. In other embodiments, the second connection portion 1412 may also have a right trapezoid shape, as long as the installation of the second connection portion 1412 is ensured and the supporting strength of the second connection portion 1412 is enhanced.

Because product quality is overweight or actuating mechanism 5 became invalid, will lead to the mount pad 1 of installing the product to take place to fall, will lead to product and mount pad 1 to take place to damage, the product that falls probably falls the field operation personnel, leads to the field operation personnel to take place the injures and deaths.

To solve the above problem, as shown in fig. 1, the elevator of the present embodiment further includes a limit plate 3 and a fall prevention device 2. The limiting plate 3 is fixedly connected to the mounting frame 4, and the limiting plate 3 is provided with a plurality of slots 31 which are uniformly distributed along the vertical direction at intervals. The anti-falling device 2 comprises a limiting part 22, when the driving mechanism 5 is out of order or the equipment is overhauled, the anti-falling device 2 is started, the limiting part 22 is driven to be inserted into the limiting plate 3, the installation seat 1 is prevented from falling, and damage of products and casualties of field operators are avoided.

Particularly, the length of limiting plate 3 is unanimous with the length of lead screw, guarantees that limiting plate 3 can both provide spacingly for mount pad 1 in mount pad 1 along the gliding whole stroke from top to bottom of mounting bracket 4. Limiting plate 3 respectively with a plurality of well supporting beam 44 fixed connection, can realize that the multiple spot is fixed, realize stabilizing between limiting plate 3 and the mounting bracket 4 and be connected, when falling and taking place, limiting plate 3 can realize the outrigger to locating part 22, avoid limiting plate 3 and mounting bracket 4 to break away from and the emergence accident.

Further, when mount pad 1 takes place to fall, beat the position between two adjacent slots 31 when stretching out if locating part 22, can lead to locating part 22 just to peg graft in next slot 31 after following mount pad 1 gliding a period, limiting plate 3 has certain hysteresis quality to anti-falling device 2's spacing for mount pad 1 can't in time stop falling, and on the one hand, product on the mount pad 1 collides with other devices or ground and takes place to damage, still can lead to operating personnel to take place the casualties. On the other hand, because the mount pad 1 can only be inserted into the slot 31 after falling for a period of time, the speed of the mount pad 1 inserted into the slot 31 in a lagging manner is larger, and then the product of the mass and the speed is known according to the impact force, the impact force on the mount pad 4 is larger when the mount pad 1 is inserted into the slot 31 in a lagging manner for a period of time, and the probability of damage caused by vibration of the elevator is larger.

In order to solve the above problems, as shown in fig. 2 to 3, the anti-falling device 2 includes two limiting members 22 arranged in a vertical direction, the limiting members 22 are installed on the anti-falling device 2 and can extend or retract in a front-back direction with respect to the anti-falling device 2, when the limiting members 22 extend out, the limiting members 22 can be inserted into the slots 31 to limit the movement of the installation base 1 in a vertical direction of the installation base 4, the two limiting members 22 can be simultaneously inserted into one slot 31 or two adjacent slots 31, and when one of the limiting members 22 is blocked by a portion between two adjacent slots 31 on the limiting plate 3, the other limiting member 22 can be inserted into the opposite slot 31. Namely, when the mounting base 1 is at any position in the vertical direction, at least one limiting member 22 can be inserted into the slot 31 which is opposite to the limiting member 22, so that the time that the limiting member 22 is inserted into the slot 31 after lagging is reduced, the possibility that the elevator is damaged by overlarge impact force is reduced, the falling is prevented, and the safety of products and operators is protected.

For example, as shown in fig. 2 and 3, the position-limiting members 22 are position-limiting pins, the plurality of slots 31 are uniformly arranged on the position-limiting member 3 at equal intervals and are identical elongated slots, as shown in fig. 3-4, the length of an elongated slot is S1, the distance between two adjacent position-limiting members 22 is a first distance L1, the sum of the first distance L1 and the diameter of two times of the position-limiting pins is a second distance L2, L1 is greater than S2, L2 is smaller than S1, and S2 is smaller than S1. When two position-limiting elements 22 face one slot 31 at the same time in case of falling, since L2 is smaller than S1, two position-limiting elements 22 can be inserted into one slot 31 at the same time to prevent falling. When two position-limiting elements 22 are located between two adjacent slots 31, that is, two position-limiting elements 22 are opposite to one slot 31, because L1 is greater than S2, two position-limiting elements 22 can be inserted into the corresponding slots 31 at the same time, so as to prevent falling. When one of the limiting members 22 faces the middle part of the two slots 31 on the limiting plate 3 and the limiting member 22 is blocked, since L2 is larger than L1 and L1 is larger than S2, L2 is larger than S2, that is, the other limiting member 22 is certainly not between the two slots 31 that block the previous limiting member 22, and since L2 is smaller than S1, the other limiting member 22 faces one slot 31, and when a fall occurs, although one of the limiting members 22 is blocked and cannot pass through the limiting slot to provide limiting for the mount base 1, the other limiting member 22 can be inserted into the opposite slot 31 to provide limiting for the mount base 1. Therefore, the installation seat 1 can be ensured to be in any position, and at least one limiting piece 22 can be inserted into the opposite slot 31, so that the installation seat 1 is prevented from falling.

In other embodiments, the number of the limiting members 22 may also be three, four or more, and the embodiment is not limited.

Further, be provided with intelligent control unit on the lift, can detect actuating mechanism 5 whether trouble, can also detect the instantaneous speed of mount pad 1, if intelligent control unit actuating mechanism 5 detects actuating mechanism 5 and breaks down, or detect that the instantaneous speed of mount pad 1 is too big, then judge that mount pad 1 is about to take place to fall or has begun to fall to control anti-falling device 2 and open, prevent the emergence of falling or prevent to continue to fall.

Preferably, as shown in fig. 4-6, the anti-falling device 2 further comprises a housing 21 and a linear driving mechanism 25, the housing 21 is connected to the mounting base 1, the linear driving mechanism 25 is disposed on the housing 21, and an output end of the linear driving mechanism 25 is connected to the limiting member 22. When a fall occurs, the linear driving mechanism 25 is started to drive the limiting member 22 to extend and be inserted into the limiting plate 3, so that the fall is prevented. When the limiting member 22 is not needed to limit the mounting base 1, the linear driving mechanism 25 drives the limiting member 22 to retract into the casing 21, so as to ensure the smoothness of the up-and-down sliding of the mounting base 1 along the mounting rack 4.

Further, as shown in fig. 5, the output end of the linear driving mechanism 25 is connected to the stopper 22 by the stud bolt 23, so that the output end of the linear driving mechanism 25 can be connected to stoppers 22 of various specifications, thereby improving the versatility of the elevator. Optionally, the linear driving mechanism 25 is a telescopic cylinder, and the telescopic cylinder can directly drive the limiting member 22 at the output end to realize telescopic motion, so that the structure is simple and the installation is convenient.

Preferably, as shown in fig. 5 to 6, the anti-falling device 2 further includes a guide member 217, the guide member 217 is disposed on the housing 21, a guide hole extending along the front-back direction is formed in the guide member 217, the limiting member 22 is inserted into the guide hole and can slide along the guide hole, so as to ensure that the limiting member 22 can move along the front-back direction when extending and retracting, and prevent the guide member 217 from deflecting, so that the guide member 217 can be accurately inserted into the limiting plate 3, and the mounting base 1 can be prevented from falling. Furthermore, a mounting flange is arranged outwards at the center of the periphery of the guide member 217 and is connected with the rear plate 214 of the housing, and the mounting area of the guide member 217 on the rear plate 214 of the housing can be increased by the mounting flange, so that the guide member 217 is more stably connected on the rear plate 214 of the housing. Optionally, the mounting flange and the housing backplate 214 are coupled by a threaded connection.

Further, as shown in fig. 2 and 5, the mounting seat 1 includes a mounting seat body 11 and a mounting portion 12, the mounting seat body 11 is slidably connected to the mounting frame 4, the mounting portion 12 is mounted on the mounting seat body 11, and the anti-falling device 2 is disposed on the mounting portion 12. Optionally, the mounting portion 12 and the mounting seat body 11 are connected through screws, and fastening and unlocking of the mounting portion 12 and the mounting seat body 11 can be achieved through rotating the screws, so that workers can conveniently disassemble and assemble the mounting portion 12 and the mounting seat body 11. Further, the mounting portion 12 includes a reinforcing rib portion 121 and a reinforcing rib seat 122, the mounting seat body 11 is mounted on the reinforcing rib seat 122, and the reinforcing rib portion 121 is connected to the reinforcing rib seat 122 and the mounting seat body 11 respectively, so as to improve the connection strength between the reinforcing rib seat 122 and the mounting seat body 11. Furthermore, the reinforcing rib part 121 comprises two reinforcing rib blocks, the two reinforcing rib blocks are arranged at the center of the upper part of the reinforcing rib seat 122 at intervals in the left-right direction, compared with the mode of only one reinforcing rib block, the connection strength between the installation part 12 and the installation seat 1 is higher, and the capacity of bearing the weight of the anti-falling device 2 is improved. Optionally, the length of the reinforcing rib block in the front-back direction is the same as the length of the reinforcing rib seat 122 in the front-back direction, so that when the reinforcing rib block is mounted on the reinforcing rib seat 122, the front end face and the rear end face of the reinforcing rib block are flush with the end faces of the front end and the rear end of the reinforcing rib seat 122, and the overall attractiveness is ensured. Optionally, on the premise of ensuring the connection strength, the weight-reducing holes are formed in the center of the reinforcing rib block, so that the weight of the whole mounting seat 1 is reduced, the driving force of the driving mechanism 5 is smaller when the driving mounting seat 1 slides up and down along the mounting frame 4, and the power consumption of the motor 51 is further reduced.

Further, as shown in fig. 5 to 6, the housing 21 includes an upper housing plate 211, a front housing plate 213, a lower housing plate 216, and a rear housing plate 214 that are connected end to end in sequence, the upper housing plate 211 and the lower housing plate 216 are disposed opposite to each other in the vertical direction, the front housing plate 213 and the rear housing plate 214 are disposed opposite to each other in the front-rear direction, the upper housing plate 211, the front housing plate 213, the lower housing plate 216, and the rear housing plate 214 together form a rectangular frame structure, the rectangular frame structure is integrally formed and is stable, and the limit member 22 and the linear driving mechanism 25 can be stably supported. Further, the housing 21 further includes a housing upper beam 212 and a housing lower beam 215, the housing upper beam 212 is located at the center of the upper portion of the housing 21, two ends and an upper end of the housing upper beam 212 are respectively connected with the housing front plate 213, the housing lower plate 216 and the housing upper plate 211, the housing lower beam 215 is located at the center of the lower portion of the housing 21, two ends and a lower end of the housing lower beam 215 are respectively connected with the housing front plate 213, the housing lower plate 216 and the housing lower plate 216, so that the clip structure of the housing 21 is further strengthened, the clip structure is more stable, and the housing upper beam 212 and the housing lower beam 215 support the limiting member 22 and the linear driving mechanism 25 more stably. Optionally, the connection mode of each part of the casing 21 is that all the parts are screwed by screws, and the casing 21 can be disassembled and assembled by rotating the screws, so that the operation is simple, the maintenance of the limiting part 22 and the linear driving mechanism 25 installed on the casing 21 after the casing 21 is disassembled by a worker is facilitated, and the assembly of the casing 21 after the maintenance is completed by the worker is facilitated.

Preferably, as shown in fig. 5 to 6, the anti-falling device 2 further includes a damping mechanism 24, the damping mechanism 24 is disposed between the housing 21 and the mounting base 1, and the damping mechanism 24 is disposed to prevent the anti-falling device 2 from colliding with the mounting base 1 and being damaged due to vibration. Further, eight damping mechanisms 24 are arranged, four of which are uniformly distributed between the mounting seat body 11 and the shell 21 at intervals, so as to block the vibration between the mounting seat body 11 and the shell 21; the other four are evenly distributed between the mounting part 12 and the casing 21 at intervals to block the vibration between the mounting part 12 and the casing 21. Through the arrangement of the eight vibration reduction mechanisms 24, the vibration reduction effect of the anti-falling device 2 in all directions can be realized, and the anti-falling device 2 is prevented from being damaged.

Further, as shown in fig. 6, the damper mechanism 24 includes a stud 241, a lock nut 242 and a spring 243, when being installed, the stud 241 sequentially passes through the housing 21 and the mounting seat 1, the spring 243 is sleeved on the stud 241, two ends of the spring 243 are respectively abutted against the housing 21 and the mounting seat 1, and the lock nut 242 is screwed on a thread of the stud 241 extending out of the housing 21 at the outer side of the mounting seat 1. When vibration occurs between the housing 21 and the mounting base 1, the spring 243 reduces the collision tendency of the anti-falling device 2 and the mounting base 1 according to the self-elastic force, and the self-elastic force of the spring 243 can attenuate the vibration, so as to protect the anti-falling device 2 and the mounting base 1 from being damaged due to the collision generated by the vibration. In addition, the damping mechanism 24 in this embodiment has a simple structure, is convenient to assemble with the housing 21 and the mounting base 1, and is low in cost.

Preferably, as shown in fig. 5, the elevator further includes a stroke detection member 7, the stroke detection member 7 is used to detect a position of the mounting base 1 in a vertical direction, the stroke detection member 7 is electrically connected to the motor 51, and when the stroke detection member 7 detects that the mounting base 1 is at a highest or lowest position, the stroke detection member 7 controls the motor 51 to stop working, so as to avoid an accident caused by the mounting base 1 moving to an excessively high or excessively low position with a product. Further, the stroke detection piece 7 is arranged at the upper end of the mounting seat body 11, and can detect the position of the mounting seat 1 when sliding up and down along the mounting frame 4, so as to prevent the mounting seat 1 from exceeding the limit position, and further prevent the product mounted on the mounting seat 1 from exceeding the limit position and causing accidents. For example, the stroke detector 7 may be an infrared distance sensor, which measures the position of the mounting base 1 by using the infrared reflection principle to prevent the mounting base 1 from exceeding the limit position. Of course, the stroke detector 7 may be another device for detecting the position of the mounting base 1, and the application is not limited thereto.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An elevator, comprising:

the mounting seat (1) is used for mounting a piece to be mounted and can move along the vertical direction;

the limiting plate (3) is provided with a plurality of slots (31) which are distributed at intervals along the vertical direction;

characterized in that, the lift still includes:

anti-falling device (2), with mount pad (1) links to each other, anti-falling device (2) include two locating parts (22) of arranging along vertical direction, work as mount pad (1) is when vertical direction optional position, at least one locating part (22) can insert rightly slot (31).

2. The elevator according to claim 1, wherein the position-limiting members (22) are position-limiting pins, the slots (31) are arranged at equal intervals and are identical elongated slots, the length of each elongated slot is S1, the interval between adjacent elongated slots is S2, the distance between two adjacent position-limiting members (22) is a first distance L1, the sum of the first distance L1 and twice the diameter of the position-limiting pins is a second distance L2, the L1 is greater than the S2, the L2 is smaller than the S1, and the S2 is smaller than the S1.

3. The elevator as claimed in claim 1, characterized in that said fall-protection device (2) further comprises:

a housing (21) connected to the mounting base (1);

the linear driving mechanism (25) is arranged on the shell (21), and the output end of the linear driving mechanism (25) is connected with the limiting piece (22).

4. A lift as claimed in claim 3, characterized in that said fall-protection device (2) further comprises:

the guide piece (217) is arranged on the shell (21), a guide hole is formed in the guide piece (217), and the limiting piece (22) is connected in the guide hole and can slide along the guide hole.

5. A lift as claimed in claim 3, characterized in that said fall-protection device (2) further comprises:

and the damping mechanism (24) is arranged between the shell (21) and the mounting seat (1).

6. The elevator according to any one of claims 1 to 3, further comprising:

the mounting frame (4), the mounting seat (1) is connected with the mounting frame (4) in a sliding manner;

a driving mechanism (5) configured to drive the mounting base (1) to slide in a vertical direction relative to the mounting frame (4).

7. The lift according to claim 6, characterized in that said drive mechanism (5) comprises:

a motor (51) arranged on the mounting frame (4); and

screw nut subassembly, including shell (52), lead screw and nut, shell (52) with mounting bracket (4) are connected, the lead screw with shell (52) pin joint and with the output fixed connection of motor (51), the lead screw with nut threaded connection, the nut with mount pad (1) is connected.

8. The lift of claim 6, further comprising:

a guiding mechanism (6) disposed between the mounting base (1) and the mounting frame (4), the guiding mechanism (6) being configured to guide the mounting base (1) so as to move the mounting base (1) in a vertical direction with respect to the mounting frame (4).

9. The elevator according to claim 8, characterized in that said guide means (6) comprise:

a guide rail (61) extending in a vertical direction and provided on the mounting frame (4); and

and the guide block (62) is connected with the guide rail (61) in a sliding manner and is connected with the mounting base (1).

10. An elevator system comprising a center sill, characterized in that the elevator system further comprises: two lifters according to any one of claims 1 to 9, the two lifters are arranged side by side, two ends of the middle cross beam are respectively and fixedly connected with the mounting seats (1) of the two lifters, and the middle cross beam is used for mounting a product to be lifted.

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