CN108545652B

CN108545652B - Adjustable lifter

Info

Publication number: CN108545652B
Application number: CN201810442339.5A
Authority: CN
Inventors: 李明忠; 徐峰; 余龙胜
Original assignee: Lan Like Ping
Current assignee: Yu Shaozhi
Priority date: 2018-05-10
Filing date: 2018-05-10
Publication date: 2020-06-05
Anticipated expiration: 2038-05-10
Also published as: CN108545652A

Abstract

The invention discloses an adjustable lifting machine, and relates to the technical field of lifting machines. The invention comprises a bottom plate and a supporting plate, wherein two screw rods are arranged on the upper surface of the bottom plate in parallel along the length direction, and a plurality of guide rods are fixedly connected with the edge of the upper surface of the bottom plate; the screw rod is connected with the upper surface of the bottom plate through a plurality of first fixing blocks, reverse threads are symmetrically arranged at two ends of the screw rod, a first bevel gear is fixed at the end part of the screw rod, and two nuts are respectively matched at two ends of the screw rod; the first bevel gear is in meshing transmission with a second bevel gear fixedly connected to the end of the transmission rod, the transmission rod is connected with the upper surface of the bottom plate through a second fixing block, and a turbine is fixed in the middle of the transmission rod. The lifting control device has the advantages that the screw rod drives the screw nut to move, so that the movement of the adjusting rod is controlled, the lifting control of the supporting plate by the supporting rod is finally realized, the structure is simple, the control is convenient, the safety of vehicles and lifting machines can be effectively ensured, and the working efficiency of people is improved.

Description

Adjustable lifter

Technical Field

The invention belongs to the technical field of lifting machines, and particularly relates to an adjustable lifting machine.

Background

The automobile lifter is automobile protecting equipment for automobile lifting in automobile maintenance industry. The lifting machine plays a crucial role in automobile maintenance, the lifting machine cannot be used for the whole automobile major repair or minor repair maintenance, and the quality of the product directly influence the personal safety of maintenance personnel. In maintenance enterprises of various scales, a lift is almost provided in a comprehensive repair shop for maintaining a plurality of vehicle models or a street shop having a single operation range.

The domestic lifting machine gradually becomes popular from the 90 s in the 20 th century, and with the increase of the automobile keeping quantity in China, the lifting machine is used as an important tool for automobile maintenance, and the demand is greatly increased. The existing lifting machine market has nearly hundreds of Chinese and foreign brands, the product series is hundreds of thousands, but the existing lifting machine is complex in structure, high in manufacturing cost and complex in height adjustment, and the supporting point cannot be effectively adjusted according to the gravity center of a vehicle.

Disclosure of Invention

The invention aims to provide an adjustable lifting machine, which controls the movement of an adjusting rod by driving a screw nut to move through a lead screw, finally realizes the lifting control of a supporting plate by a supporting rod, and solves the problems that the existing lifting machine is complex in structure, complicated in adjustment and incapable of effectively adjusting a supporting point according to the gravity center of a vehicle.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an adjustable lifting machine, which comprises a bottom plate and a supporting plate, wherein two screw rods are arranged on the upper surface of the bottom plate in parallel along the length direction, and a plurality of guide rods are fixedly connected with the edge of the upper surface of the bottom plate; the screw rod is connected with the upper surface of the bottom plate through a plurality of first fixing blocks, reverse threads are symmetrically arranged at two ends of the screw rod, a first bevel gear is fixed at the end part of the screw rod, and two nuts are respectively matched at two ends of the screw rod; the first bevel gear is in meshing transmission with a second bevel gear fixedly connected to the end of a transmission rod, the transmission rod is connected with the upper surface of the bottom plate through a second fixed block, and a turbine is fixed in the middle of the transmission rod; the worm wheel is meshed with a worm fixed on an output shaft of the motor, the meshing of the worm wheel and the worm has self-locking performance, and the motor is fixed on the upper surface of the bottom plate; the top surface of the nut is hinged with an adjusting rod, and a supporting rod is rotatably connected between the top ends of two adjacent adjusting rods in the width direction of the bottom plate; the backup pad is located between two bracing pieces, it has a rectangular opening to open in the backup pad, the upper surface edge of backup pad is opened has the guiding hole with guide bar looks adaptation, the lower surface of backup pad is opened has a plurality of draw-in grooves with bracing piece looks adaptation.

Furthermore, a through hole is formed in the top end of the adjusting rod, and a supporting rod penetrates through the through hole;

the two ends of the supporting rod are respectively inserted with a bayonet lock.

Furthermore, a plurality of clamping grooves matched with the supporting rods are uniformly distributed on the lower surface of the supporting plate along the width direction, the cross section profiles of the clamping grooves are of semicircular structures, and the supporting rods are of cylindrical structures.

Furthermore, two concave rods which are parallel are respectively fixed on the edge of the lower surface of the supporting plate, and a supporting rod penetrates between the lower surface of the supporting plate and the concave rods.

Furthermore, the first fixing block is rotatably connected with the screw rod through a bearing, and the fixing block is fixedly connected to the top surface of the bottom plate.

Furthermore, the two screw rods are respectively positioned on the edge of the upper surface of the bottom plate.

Furthermore, a plurality of through holes are formed in the edge of the upper surface of the bottom plate, and the through holes are connected with the ground through expansion bolts.

The invention has the following beneficial effects:

1. according to the invention, the worm and the turbine are driven by the motor to be meshed for transmission, so that the transmission rod drives the screw rod to rotate, the nut drives the adjusting rod to move, and finally the supporting plate is lifted to lift a vehicle to be maintained, so that people can conveniently maintain the vehicle.

2. According to the invention, the supporting rod is matched with different clamping grooves on the lower surface of the supporting plate, so that the gravity center of the supporting plate is adjusted, the vehicle is lifted, and the safety of the vehicle and the lifter is effectively ensured.

3. The invention can effectively prevent the problem that the supporting plate descends due to the gravity of the vehicle through the self-locking property of the meshing of the worm wheel and the worm, and further ensures the safety of the vehicle and people.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an adjustable lift according to the present invention;

FIG. 2 is a schematic structural view of a support plate of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-bottom plate, 2-supporting plate, 3-screw rod, 4-screw nut, 5-transmission rod, 6-motor, 7-supporting rod, 101-guide rod, 201-rectangular opening, 202-guide hole, 203-clamping groove, 204-concave rod, 301-first fixed block, 302-first bevel gear, 401-adjusting rod, 501-second bevel gear and 502-turbine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "disposed," "edge," "upper surface," "lower surface," "middle," and the like are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.

As shown in fig. 1, the present invention is an adjustable lifting machine, which comprises a bottom plate 1 and a supporting plate 2, wherein two screw rods 3 are arranged on the upper surface of the bottom plate 1 in parallel along the length direction, and four guide rods 101 are fixedly connected to the edge of the upper surface of the bottom plate 1.

The lead screw 3 is connected with the upper surface of the bottom plate 1 through three first fixing blocks 301, reverse threads are symmetrically arranged at two ends of the lead screw 3, when the lead screw 3 rotates, two nuts 4 are close to or far away from the lead screw 3 at the same time, a first bevel gear 302 is fixed at the end part of the lead screw 3, and two nuts 4 are respectively matched at two ends of the lead screw 3.

The first bevel gear 302 is in meshing transmission with a second bevel gear 501 fixedly connected to the end part of the transmission rod 5, the transmission rod 5 is connected with the upper surface of the bottom plate 1 through a second fixed block, and a turbine 502 is fixed in the middle of the transmission rod 5;

the worm wheel 502 is meshed with a worm fixed on an output shaft of the motor 6, the meshing of the worm wheel 502 and the worm has self-locking performance, namely, only the worm can drive the worm wheel 502 to rotate, the support plate 2 can be prevented from descending due to the gravity of a vehicle, then the first bevel gear 302 on the screw rod 3 drives the second bevel gear 501 on the transmission rod 5 to be meshed for transmission, and the motor 6 is fixed on the upper surface of the bottom plate 1.

The top surface of the screw 4 is hinged with an adjusting rod 401, and a supporting rod 7 is rotatably connected between the top ends of two adjacent adjusting rods 401 along the width direction of the bottom plate 1.

As shown in fig. 2, the supporting plate 2 is located between the two supporting rods 7, a rectangular opening 201 is formed in the supporting plate 2, a guiding hole 202 matched with the guiding rod 101 is formed in the edge of the upper surface of the supporting plate 2, a plurality of clamping grooves 203 matched with the supporting rods 7 are formed in the lower surface of the supporting plate 2, and the supporting rods 7 are clamped with the clamping grooves 203 to support the supporting plate 2; through the cooperation of bracing piece 7 with different draw-in grooves 203, adjustable bracing piece 7 guarantees the security of machine of lifting and vehicle to the different application of force points of backup pad 2.

Wherein, the top end of the adjusting rod 401 is provided with a through hole, and a supporting rod 7 is arranged in the through hole; bayonet locks are respectively inserted at two ends of the support rod 7, so that the support rod 7 can be conveniently detached from the adjusting rod 401.

Wherein, the lower surface of backup pad 2 is opened along width direction equipartition has a plurality of draw-in grooves 203 with bracing piece 7 looks adaptation, and the cross-sectional profile of draw-in groove 203 is semicircular structure, and bracing piece 7 is cylindrical structure.

Wherein, the lower surface edge of backup pad 2 is fixed with two concave poles 204 that parallel respectively, has worn bracing piece 7 between the lower surface of backup pad 2 and the concave pole 204, can have certain restriction to bracing piece 7, prevents to drop in the draw-in groove 203 on backup pad 2 lower surface from the bracing piece 7.

Wherein, first fixed block 301 passes through the bearing and is connected with lead screw 3 rotation, and fixed block 301 fixed connection is on the top surface of bottom plate 1.

Wherein, two lead screws 3 are respectively positioned on the edge of the upper surface of the bottom plate 1, so as to apply supporting force to the supporting plate 2.

Wherein, the edge of the upper surface of the bottom plate 1 is provided with a plurality of through holes, and the through holes are connected with the ground through expansion bolts.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An adjustable lifter comprises a bottom plate (1) and a supporting plate (2); two screw rods (3) are arranged on the upper surface of the bottom plate (1) in parallel along the length direction, and a plurality of guide rods (101) are fixedly connected with the edge of the upper surface of the bottom plate (1); the screw rod (3) is connected with the upper surface of the bottom plate (1) through a plurality of first fixing blocks (301), reverse threads are symmetrically arranged at two ends of the screw rod (3), a first bevel gear (302) is fixed at the end part of the screw rod (3), and two nuts (4) are respectively matched at two ends of the screw rod (3); the first bevel gear (302) is in meshing transmission with a second bevel gear (501) fixedly connected to the end of the transmission rod (5), the transmission rod (5) is connected with the upper surface of the bottom plate (1) through a second fixing block, and a turbine (502) is fixed in the middle of the transmission rod (5); the worm wheel (502) is meshed with a worm fixed on an output shaft of the motor (6), the meshing of the worm wheel (502) and the worm has self-locking performance, and the motor (6) is fixed on the upper surface of the bottom plate (1); the top surface of the nut (4) is hinged with an adjusting rod (401); the supporting plate (2) is provided with a rectangular opening (201), and the edge of the upper surface of the supporting plate (2) is provided with a guide hole (202) matched with the guide rod (101); the method is characterized in that:

a supporting rod (7) is rotatably connected between the top ends of two adjacent adjusting rods (401) along the width direction of the bottom plate (1);

the supporting plate (2) is positioned between the two supporting rods (7), and a plurality of clamping grooves (203) matched with the supporting rods (7) are formed in the lower surface of the supporting plate (2);

two concave rods (204) which are parallel are respectively fixed on the edge of the lower surface of the supporting plate (2), and a supporting rod (7) penetrates between the lower surface of the supporting plate (2) and the concave rods (204).

2. The adjustable lifting machine according to claim 1, characterized in that the top end of the adjusting rod (401) is provided with a through hole, and a supporting rod (7) is arranged in the through hole; the two ends of the supporting rod (7) are respectively inserted with a bayonet lock.

3. The adjustable lifter according to claim 1, characterized in that a plurality of clamping grooves (203) matched with the supporting rods (7) are uniformly distributed on the lower surface of the supporting plate (2) along the width direction, the cross-sectional profiles of the clamping grooves (203) are semicircular structures, and the supporting rods (7) are cylindrical structures.

4. The adjustable lifting machine according to claim 1, characterized in that the first fixed block (301) is rotatably connected with the screw rod (3) through a bearing, and the fixed block (301) is fixedly connected with the top surface of the bottom plate (1).

5. An adjustable lifting machine according to claim 1, characterized in that the two lead screws (3) are located at the edge of the upper surface of the base plate (1), respectively.

6. The adjustable lifting machine according to claim 1, characterized in that the upper surface of the bottom plate (1) is provided with a plurality of through holes at its edge, and the through holes are connected with the ground by expansion bolts.