CN113716484A

CN113716484A - Lift for engineering

Info

Publication number: CN113716484A
Application number: CN202111070874.0A
Authority: CN
Inventors: 邹燕
Original assignee: Yangzhou Polytechnic Institute
Current assignee: Yangzhou Polytechnic Institute
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2021-11-30
Anticipated expiration: 2041-09-13
Also published as: CN113716484B

Abstract

The invention discloses an engineering elevator, which belongs to the field of civil engineering equipment and comprises an elevator frame, wherein a lead screw is arranged on one side of the elevator frame, a driving shaft is arranged at the top of the elevator frame, a supporting mechanism is arranged on one side of the bottom of the driving shaft, which corresponds to one side of a guide plate, the supporting mechanism comprises a synchronous fluted disc, the synchronous fluted disc is connected with the bottom of the driving shaft, a driven shaft is connected with the bottom of the synchronous fluted disc, supporting plates are uniformly arranged on the driven shaft, clamping grooves are symmetrically arranged on the guide plate, which is close to the driven shaft, guide grooves are arranged on the supporting plates, fixed gears are respectively connected with the bottom end of the driving shaft and the top end of the driven shaft, a reduction gear is connected between the two corresponding fixed gears in the synchronous fluted disc, and the anti-falling supporting protection of the elevator can be realized, and the power source of the driving shaft can be utilized, which is beneficial to reducing the manufacturing cost of the whole device.

Description

Lift for engineering

Technical Field

The invention relates to the field of civil engineering equipment, in particular to an engineering elevator.

Background

Civil engineering is a general term for the scientific and technological process of building various engineering facilities. It refers to both the applied materials and equipment and the technical activities of surveying, designing, constructing, maintaining and repairing, etc., and the objects of engineering construction, i.e. various engineering facilities built on the ground or underground, on the land or in water, which directly or indirectly serve human life, production, military affairs and scientific research. Among them, the elevator is one of the more commonly used equipments in civil engineering, and the elevator is a lifting mechanical equipment or device of a platform or a semi-enclosed platform for carrying people or goods to be lifted on a vertical upper and lower passage.

However, when the existing engineering elevator is used, the problems that the screw rod is easy to deform due to long-time bearing engagement with the lifting plate, the lifting plate slides and falls, the whole screw groove of the screw rod is seriously abraded, and the falling prevention support protection for the elevator is lacked are solved.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide an engineering elevator, which can realize the anti-falling support protection of the elevator, can utilize the power source of a driving shaft and is beneficial to reducing the manufacturing cost of the whole elevator.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An engineering elevator comprises an elevator frame, wherein a lead screw is arranged on one side of the elevator frame, a lifting plate is connected onto the lead screw in a threaded manner, one side of the lifting plate is connected with the elevator frame in a sliding manner through a guide plate, a driving shaft is arranged at the top of the elevator frame, a supporting mechanism is arranged at one side of the bottom of the driving shaft, which corresponds to one side of the guide plate, and is used for supporting and supporting the lifting plate and the guide plate integrally when the outer part of the lead screw falls, the supporting mechanism comprises a synchronous fluted disc which is connected to the bottom of the driving shaft, a driven shaft is connected to the bottom of the synchronous fluted disc, the bottom end of the driven shaft is rotatably mounted on the elevator frame, the driven shaft is uniformly provided with the supporting plate, and clamping grooves are symmetrically arranged on the guide plate at positions close to the driven shaft, the supporting plate is provided with a guide groove, the bottom end of the driving shaft and the top end of the driven shaft are both connected with fixed gears, and a reduction gear is connected between the two fixed gears corresponding to the inside of the synchronous fluted disc.

Furthermore, the height of the inner diameter of the clamping groove is larger than the thickness of the supporting plate, the length and the width of the inner diameter of the guide groove are larger than those of the supporting plates on the two sides of the guide plate, and the gear ratios between the two fixed gears and the reduction gear are different.

Further, one side of the lifting plate is provided with a bearing mechanism, the bearing mechanism is used for storing and unloading engineering materials, the bearing mechanism comprises a bearing support plate, the bearing support plate is installed the lifting plate is kept away from one side of the guide plate, the bearing support plate is connected with a storage hopper, the storage hopper is connected with the bearing support plate through a guide rail, a sliding groove is formed in the outer surface of the storage hopper, and the bearing support plate is connected with a limiting rotary arm.

Further, correspond on the spacing spiral arm spout internal connection has the shock attenuation bayonet lock, the shock attenuation bayonet lock with the cover is equipped with compression spring between the spacing spiral arm, one side fixed mounting of compression spring is in on the spacing spiral arm.

Furthermore, the bottom end of the limiting spiral arm is connected with the bearing support plate through a fixed angle seat, and a locking ring is connected to the fixed angle seat in a threaded manner.

Furthermore, be provided with guiding mechanism between deflector and the lift frame, guiding mechanism is used for right the deflector is in centre gripping and direction on the lift frame, guiding mechanism includes the centre gripping wheel, the centre gripping wheel is installed on the deflector, the deflector internal surface is close to lift frame position department symmetry installs the direction side wheel, the tooth's socket has evenly been seted up in the lift frame.

Furthermore, the edge of the guide side wheel is uniformly provided with teeth, and the guide side wheel is connected with the guide plate through bolts.

Furthermore, a driving motor is installed at the top of the driving shaft, one side of the driving motor is fixedly installed on the lifting rack, and a driving belt is sleeved between the top of the lead screw and an output shaft of the driving motor.

Furthermore, the bottom welding of bearing extension board has the fagging to one side, the bottom of storage hopper evenly is provided with the smooth roller.

Furthermore, the bottom of the lifting frame is provided with a fixing hole.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme is provided with a supporting mechanism, the fixed gears at the bottom end of the driving shaft and the top of the driven shaft are sequentially meshed through the reduction gears, the rotating speed of the driven shaft can be lower than that of the lead screw due to the fact that gear ratios are different, the guide groove and the guide plate are overlapped, continuous rising or falling of the guide plate is guaranteed, when the guide plate falls down, the guide plate can be supported on the lifting rack under the clamping of the support plate and the clamping groove, the problem that the lead screw is easy to deform due to long-time bearing meshing with the lifting plate, the lifting plate slides and falls off, and the abrasion of the whole spiral groove of the lead screw is serious is solved, the anti-falling supporting protection of the lifting machine is achieved, the power source of the driving shaft can be utilized, and the whole manufacturing cost is favorably reduced.

(2) This scheme is provided with and bears mechanism, supports the storage hopper through the bearing extension board, when lifting, and the spacing spiral arm of closed is spacing shelters from to the storage hopper both sides, and cooperation shock attenuation bayonet lock and compression spring are connected with the spout, can rock intensity to the storage hopper and reduce, when unloading, open the storage hopper, and the cooperation guide rail can take out storage hopper and bearing extension board separation to improved the convenience that equipment unloaded when guaranteeing the storage hopper lifting steadiness, device simple structure, it is safe and reliable to use.

(3) This scheme is provided with bears mechanism, through the centre gripping wheel with deflector middle part and lift frame centre gripping rolling contact to the meshing of cooperation direction side wheel and tooth's socket, by the both sides and the lift frame centre gripping rolling contact of direction side wheel and deflector, thereby increased between deflector and the lift frame compactness and fastness of rolling contact, guaranteed the smoothness nature that the deflector goes up and down.

Drawings

FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;

FIG. 2 is a schematic view of the guide plate of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the synchronous cog of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the holding mechanism at A in FIG. 3;

FIG. 5 is a schematic structural diagram of the support mechanism of FIG. 1 according to the present invention;

FIG. 6 is a schematic view of the limiting radial arm of FIG. 5 according to the present invention;

fig. 7 is a schematic structural diagram of the guide mechanism in fig. 5 according to the present invention.

The reference numbers in the figures illustrate:

1. a lifting frame; 2. a lead screw; 3. a lifting plate; 4. a guide plate; 5. a drive shaft; 6. a support mechanism; 601. a synchronous fluted disc; 602. a driven shaft; 603. a rest plate; 604. a card slot; 605. a guide groove; 606. fixing a gear; 607. a reduction gear; 7. a carrying mechanism; 701. a load bearing support plate; 702. a storage hopper; 703. a guide rail; 704. a chute; 705. a limiting rotary arm; 706. damping clamp pins; 707. a compression spring; 8. a guide mechanism; 801. a clamping wheel; 802. a guide side wheel; 803. a tooth socket; 9. a drive motor; 10. a transmission belt; 11. a diagonal bracing plate; 12. a sliding roller; 13. and fixing the angle seat.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example 1:

referring to fig. 1-7, an engineering elevator comprises an elevator frame 1, a lead screw 2 is disposed on one side of the elevator frame 1, a lifting plate 3 is screwed on the lead screw 2, one side of the lifting plate 3 is slidably connected with the elevator frame 1 through a guide plate 4, a driving shaft 5 is disposed on the top of the elevator frame 1, a supporting mechanism 6 is disposed on the bottom of the driving shaft 5 corresponding to one side of the guide plate 4, the supporting mechanism 6 comprises a synchronous fluted disc 601, the synchronous fluted disc 601 is connected to the bottom of the driving shaft 5, the bottom of the synchronous fluted disc 601 is connected with a driven shaft 602, the bottom end of the driven shaft 602 is rotatably mounted on the elevator frame 1, supporting plates 603 are uniformly disposed on the driven shaft 602, slots 604 are symmetrically disposed on the guide plate 4 near the driven shaft 602, guide slots 605 are disposed on the supporting plates 603, and fixed gears 606 are connected to the bottom end of the driving shaft 5 and the top end of the driven shaft 602, the reduction gear 607 is connected between the two corresponding fixed gears 606 in the synchronous fluted disc 601, the gear ratios between the two fixed gears 606 and the reduction gear 607 are different, when the lifting plate 3 and the guide plate 4 are driven to integrally lift on the lifting frame 1 by the rotation of the screw rod 2, the fixed gears 606 at the bottom end of the driving shaft 5 and the top end of the driven shaft 602 are sequentially engaged by the reduction gear 607 through the connection of the driving shaft 5 and the synchronous fluted disc 601, the rotating speed of the driven shaft 602 can be lower than that of the screw rod 2 due to the difference of the gear ratios, the guide groove 605 and the guide plate 4 are overlapped by matching the rotation of the support bracket 603, the continuous lifting or descending of the guide plate 4 is ensured, when the guide plate 4 descends, the guide plate 4 can be supported on the lifting frame 1 by the clamping of the support bracket 603 and the clamping groove 604, the problem that the lifting plate 3 is easy to deform to cause sliding and falling due to long-time meshing of the screw rod 2 and bearing weight of the lifting plate 3 is solved, the problem of serious abrasion of the whole spiral groove of the screw rod 2 is caused, the anti-falling support protection of the lifter is realized, the power source of the driving shaft 5 can be utilized, and the whole manufacturing cost is favorably reduced.

Referring to fig. 4, in order to ensure that the guide plate 4 continuously and stably ascends on the lifter frame 1 and the guide plate 4 descends, the support plate 603 supports the guide plate, the height of the inner diameter of the slot 604 is greater than the thickness of the support plate 603, and the length and width of the inner diameter of the guide slot 605 are greater than the length and width of the support plates on both sides of the guide plate 4.

Referring to fig. 5, a bearing mechanism 7 is disposed on one side of the lifting plate 3, the bearing mechanism 7 includes a bearing support plate 701, the bearing support plate 701 is disposed on one side of the lifting plate 3 away from the guide plate 4, a storage hopper 702 is connected to the bearing support plate 701, the storage hopper 702 is connected to the bearing support plate 701 through a guide rail 703, a chute 704 is disposed on an outer surface of the storage hopper 702, a limit swing arm 705 is connected to the bearing support plate 701, a shock-absorbing bayonet 706 is connected to the limit swing arm 705 corresponding to the chute 704, a compression spring 707 is sleeved between the shock-absorbing bayonet 706 and the limit swing arm 705, one side of the compression spring 707 is fixedly disposed on the limit swing arm 705, the storage hopper 702 is supported by the bearing support plate 701, when lifting, the limit swing arm is closed to limit and shield both sides of the storage hopper 702, and the shock-absorbing bayonet 706 and the connection of the chute 704 with the compression spring 707 can reduce the swing strength of the storage hopper 702, during unloading, the storage hopper 702 is opened, and the storage hopper 702 and the bearing support plate 701 can be taken out in a separated mode through the matched guide rail 703, so that the unloading convenience of the equipment is improved while the lifting stability of the storage hopper 702 is guaranteed, and the device is simple in structure and safe and reliable to use.

Referring to fig. 5 and 6, the bottom end of the limit rotating arm 705 is connected with the bearing support plate 701 through a fixed angle seat 13, a locking ring is connected to the fixed angle seat 13 through a thread, the limit rotating arm 705 can rotate on the bearing support plate 701 side through the fixed angle seat 13, the limit rotating arm 702 side can be supported and removed, and the adjusted limit rotating arm 705 can be screwed and fixed by matching with the locking ring.

Referring to fig. 4 and 7, a guide mechanism 8 is arranged between the guide plate 4 and the elevator frame 1, the guide mechanism 8 includes a clamping wheel 801, the clamping wheel 801 is mounted on the guide plate 4, guide side wheels 802 are symmetrically mounted on the inner surface of the guide plate 4 near the elevator frame 1, tooth grooves 803 are uniformly formed in the elevator frame 1, the middle of the guide plate 4 is in clamping rolling contact with the elevator frame 1 through the clamping wheel 801, and in cooperation with the engagement of the guide side wheels 802 and the tooth grooves 803, the guide side wheels 802 are in clamping rolling contact with the elevator frame 1 from the two sides of the guide plate 4, so that the tightness and firmness of the rolling contact between the guide plate 4 and the elevator frame 1 are increased, and the smoothness of the lifting of the guide plate 4 is ensured.

Referring to fig. 7, teeth are uniformly formed on the edge of the guide side wheel 802, and can be tightly engaged with the tooth groove 803, and in order to disassemble and maintain the guide side wheel 802, the guide side wheel 802 is connected with the guide plate 4 by bolts.

Referring to fig. 2 and 3, a driving motor 9 is installed at the top of the driving shaft 5, one side of the driving motor 9 is fixedly installed on the lifting frame 1, a driving belt 10 is sleeved between the top of the screw rod 2 and an output shaft of the driving motor 9, the driving shaft 5 is driven to rotate by the driving motor 9, and the screw rod 2 can be driven to rotate under the action of the driving belt 10, so that the lifting plate 3 is lifted upwards.

Referring to fig. 5, in order to improve the supporting strength and the maximum supporting capacity of the supporting plate 701, the inclined supporting plate 11 is welded at the bottom of the supporting plate 701, the sliding rollers 12 are uniformly arranged at the bottom of the storage hopper 702, and the friction between the storage hopper 702 and the top surface of the supporting plate 701 when the storage hopper 702 is unloaded is reduced by the sliding rollers 12, so that the storage hopper 702 and the supporting plate 701 can fall off conveniently.

Referring to fig. 1, in order to fixedly connect the bottom of the lifting frame 1 with the ground and ensure the stability of the whole device during lifting, the bottom of the lifting frame 1 is provided with a fixing hole.

When in use: the driving shaft 5 is driven by the driving motor 9 to rotate, the screw rod 2 can be driven to rotate under the action of the transmission belt 10, the lifting plate 3 and the bearing support plate 701 are lifted upwards, meanwhile, the middle part of the guide plate 4 is clamped and in rolling contact with the lifting frame 1 through the clamping wheel 801, the guide side wheel 802 is matched with the meshing of the tooth grooves 803, the two sides of the guide plate 4 are clamped and in rolling contact with the lifting frame 1 through the guide side wheel 802, during lifting, the driving shaft 5 is connected with the synchronous fluted disc 601 through the driving shaft 5, the bottom end of the driving shaft 5 and the fixed gear 606 at the top of the driven shaft 602 are sequentially meshed through the reduction gear 607, due to the difference of gear ratios, the rotating speed of the driven shaft 602 can be lower than that of the screw rod 2, the continuous lifting or descending of the guide plate 4 is ensured through the superposition of the guide groove 605 and the guide plate 4, when the guide plate 4 falls down, under the clamping of the support plate 603 and the clamping groove 604, the guide plate 4 can be supported on the lifting frame 1, and finally the storage hopper 702 is supported through the bearing support plate 701, when the lifting mechanism is lifted, the closed limiting rotary arm 705 is used for limiting and shielding two sides of the storage hopper 702, the storage hopper 702 can be reduced in shaking strength by matching with the connection of the damping clamping pin 706, the compression spring 707 and the sliding chute 704, the storage hopper 702 is opened during unloading, the storage hopper 702 and the bearing support plate 701 can be separated and taken out by matching with the guide rail 703, and the unloading of materials is realized.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a lift for engineering, includes elevator frame (1), one side of elevator frame (1) is provided with lead screw (2), threaded connection has lifting plate (3) on lead screw (2), one side of lifting plate (3) with through deflector (4) sliding connection between elevator frame (1), the top of elevator frame (1) is provided with drive shaft (5), its characterized in that: a supporting mechanism (6) is arranged on one side, corresponding to the guide plate (4), of the bottom of the driving shaft (5), the supporting mechanism (6) is used for supporting and protecting the lifting plate (3) and the guide plate (4) when the whole body falls outside the screw rod (2), the supporting mechanism (6) comprises a synchronous fluted disc (601), the synchronous fluted disc (601) is connected to the bottom of the driving shaft (5), the bottom of the synchronous fluted disc (601) is connected with a driven shaft (602), the bottom end of the driven shaft (602) is rotatably installed on the lifting rack (1), supporting plates (603) are uniformly arranged on the driven shaft (602), clamping grooves (604) are symmetrically arranged on the guide plate (4) close to the driven shaft (602), guide grooves (605) are arranged on the supporting plates (603), and fixed gears (606) are connected to the bottom end of the driving shaft (5) and the top end of the driven shaft (602), and a reduction gear (607) is connected between two corresponding fixed gears (606) in the synchronous fluted disc (601).

2. An engineering lift according to claim 1, characterized in that: the height of the inner diameter of the clamping groove (604) is larger than the thickness of the supporting plate (603), the length and the width of the inner diameter of the guide groove (605) are larger than those of the supporting plates on the two sides of the guide plate (4), and the gear ratios between the two fixed gears (606) and the speed reduction gear (607) are different.

3. An engineering lift according to claim 1, characterized in that: one side of board (3) of lifting is provided with bears mechanism (7), bear mechanism (7) and be used for depositing and unloading engineering material, bear mechanism (7) including bearing extension board (701), install bearing extension board (701) keep away from of board (3) one side of deflector (4), be connected with storage hopper (702) on bearing extension board (701), storage hopper (702) with connect through guide rail (703) between bearing extension board (701), spout (704) have been seted up to the surface of storage hopper (702), be connected with spacing spiral arm (705) on bearing extension board (701).

4. An engineering lift according to claim 3, characterized in that: the limiting swing arm (705) is internally connected with a damping bayonet (706) corresponding to the sliding groove (704), a compression spring (707) is sleeved between the damping bayonet (706) and the limiting swing arm (705), and one side of the compression spring (707) is fixedly installed on the limiting swing arm (705).

5. An engineering lift according to claim 4, characterized in that: the bottom end of the limiting swing arm (705) is connected with the bearing support plate (701) through a fixed angle seat (13), and a locking ring is connected to the fixed angle seat (13) in a threaded mode.

6. An engineering lift according to claim 1, characterized in that: be provided with guiding mechanism (8) between deflector (4) and lift frame (1), guiding mechanism (8) are used for right deflector (4) centre gripping and direction on lift frame (1), guiding mechanism (8) include centre gripping wheel (801), centre gripping wheel (801) are installed on deflector (4), deflector (4) internal surface is close to lift frame (1) position department symmetry is installed and is led side wheel (802), tooth's socket (803) have evenly been seted up on lift frame (1).

7. An engineering lift according to claim 6, characterized in that: the edge of the guide side wheel (802) is uniformly provided with teeth, and the guide side wheel (802) is connected with the guide plate (4) through bolts.

8. An engineering lift according to claim 1, characterized in that: the top of drive shaft (5) is installed driving motor (9), one side fixed mounting of driving motor (9) on elevating rack (1), cup joint drive belt (10) between the top of lead screw (2) and the output shaft of driving motor (9).

9. An engineering lift according to claim 2, characterized in that: the bottom welding of bearing extension board (701) has inclined supporting plate (11), the bottom of storage hopper (702) evenly is provided with smooth roller (12).

10. An engineering lift according to claim 1, characterized in that: the bottom of the lifting frame (1) is provided with a fixing hole.