CN112161166A

CN112161166A - Elevator fixing device

Info

Publication number: CN112161166A
Application number: CN202011158232.1A
Authority: CN
Inventors: 欧永康; 高贝贝; 朱阳东升; 张�浩
Original assignee: Chuzhou Hechuan Logistics Machinery Co ltd
Current assignee: Chuzhou Hechuan Logistics Machinery Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-01

Abstract

The invention relates to the technical field of elevators, in particular to an elevator fixing device which comprises a shell, wherein two rotating shafts are connected between the inner walls of the two sides of the shell through bearings, the outer walls of the two rotating shafts are connected with two worms through flat keys, the outer wall of the bottom of the shell is connected with four connecting cylinders through bolts, studs are connected inside the connecting cylinders through bolts, supporting blocks are arranged at the bottoms of the studs, anti-skidding bulges are uniformly distributed at the bottoms of the supporting blocks, thrust bearings are arranged inside the supporting blocks, and the bottom ends of the studs are inserted into the thrust bearings. The invention utilizes the rotation of the double-line screw to drive the connecting block to move, so that the connecting block belt drives the wheels to fold and put down through the connecting rod and the lifting rod, thereby realizing that the wheels can be folded when the elevator arranged at the top of the shell does not move, and the elevator is only supported through the stud, and the whole operation is simple, convenient and quick, and accords with the practical application.

Description

Elevator fixing device

Technical Field

The invention relates to the technical field of elevators, in particular to an elevator fixing device.

Background

The elevator is a mechanical equipment for transporting heavy objects to a high place or providing a platform for workers to work at the high place, and is usually provided with wheels, the reason is that the elevator is convenient to move, but the elevator needs to be fixed during actual work, so that the elevator is prevented from shaking during work.

Chinese patent No. 201710603036.2 discloses an adjusting and fixing mechanism for a scissor lift, which comprises an adjusting and fixing plate distributed at the bottom of the scissor lift, wherein the bottom of the adjusting and fixing plate is provided with the adjusting and fixing mechanism; adjust fixed establishment including adjusting the fixing base, adjust the middle six universal wheels that have along the circumferencial direction equipartition in fixing base bottom, adjust the fixing base week side and have six regulation supporting mechanism along the circumferencial direction equipartition, adjust the supporting mechanism left and right sides symmetry and install the mechanism of strutting in advance, adjust supporting mechanism and pass through the arc cardboard and fix in adjusting fixing base week side, adjust fixing base top central authorities and install the spring.

In the 201710603036.2 patent, although the fixed action to the lift can be realized, but the universal wheel can not be packed up, so that it is troublesome to adjust the supporting mechanism one by one, which is not in line with practical application, and the supporting mechanism can not realize self-locking, so that the fixation of the lift is unstable.

Disclosure of Invention

The invention aims to provide a fixing device of an elevator, which aims to solve the problems that universal wheels proposed in the background technology cannot be folded, so that the supporting mechanisms are troublesome to adjust one by one, are not in line with practical application, and cannot realize self-locking, so that the elevator is unstable to fix.

The technical scheme of the invention is as follows: a lifter fixing device comprises a shell, wherein two rotating shafts are connected between the inner walls of two sides of the shell through bearings, the outer walls of the two rotating shafts are connected with two worms through flat keys, the outer wall of the bottom of the shell is connected with four connecting cylinders through bolts, the interior of each connecting cylinder is connected with a stud through bolts, the bottom of each stud is provided with a supporting block, the bottom of each supporting block is provided with anti-skidding bulges which are uniformly distributed, a thrust bearing is arranged inside each supporting block, the bottom end of each stud is inserted inside the thrust bearing, the inner wall of the top of the shell is connected with four positioning cylinders through bolts, connecting shafts are inserted inside the four positioning cylinders, square holes are formed inside the connecting shafts, square shafts are welded on the outer walls of the tops of the studs and movably inserted inside the square holes of the connecting shafts, and worm wheels are welded on the tops of, the worm wheel is meshed with the adjacent worm, four fixing plates are welded on the outer wall of the bottom of the shell, one outer wall of each fixing plate is hinged to a lifting rod through a shaft, the bottoms of the four lifting rods are rotatably connected with wheels through shafts, one outer wall of each lifting rod is hinged to a connecting rod through a shaft, the tops of two adjacent connecting rods are hinged to a connecting plate through a shaft, the tops of the two connecting plates are connected with connecting blocks through bolts, double-thread screws are connected between the inner walls of the two sides of the shell through bearings, and the two connecting blocks are connected with the double-thread screws through threads.

Further, the outside of two line screw rods has two dogs through bolted connection, and two connecting blocks are located between two dogs.

Furthermore, one side outer wall of the shell is provided with two first rotating disks, and one ends of the two rotating shafts penetrate through the inner wall of one side of the shell and are respectively connected with the two first rotating disks through splines.

Further, one side outer wall of casing is provided with the second carousel, the one end of two line screw rods runs through casing one side inner wall and passes through splined connection with the second carousel.

Furthermore, a limiting groove is formed in the square shaft, a pin hole is formed in the outer wall of the connecting shaft, a pin column is inserted into the pin hole, and the pin column is located in the limiting groove.

Furthermore, the outer wall of the top of the supporting block is connected with a baffle ring through a bolt, and the outer wall of the bottom of the baffle ring is integrally formed with a retaining ring.

Further, the retainer ring is located inside the support block, and the retainer ring is located at the top of the thrust bearing.

Further, the outer wall welding of one side of first carousel has the handle, the sleeve has been cup jointed to the outer wall of handle, the one end welding of handle has the stopper.

Furthermore, a bearing groove is formed in the top of the positioning barrel, a deep groove ball bearing is arranged in the bearing groove, and the connecting shaft is inserted into the deep groove ball bearing.

Furthermore, the outer wall of the top of the shell is welded with a mounting seat, and the outer wall of the top of the mounting seat is provided with a mounting hole.

The invention provides an elevator fixing device through improvement, compared with the prior art, the elevator fixing device has the following improvement and advantages:

(1) the invention utilizes the rotation of the double-line screw to drive the connecting block to move, so that the connecting block belt drives the wheels to fold and put down through the connecting rod and the lifting rod, thereby realizing that the wheels can be folded when the elevator arranged at the top of the shell does not move, and the elevator is only supported through the stud, and the whole operation is simple, convenient and quick, and accords with the practical application.

(2) The worm is driven to rotate by the rotation of the rotating shaft, so that the worm drives the stud to rotate through the worm wheel, the effect of supporting and leveling the shell by the stud is realized, and meanwhile, the stud can be prevented from rotating automatically through the self-locking principle of the worm wheel and the worm, so that the elevator can be placed more stably.

(3) The supporting block and the stud are connected through the thrust bearing, so that resistance applied to the stud during rotation is reduced, and further, required force for rotating the rotating shaft through the handle is reduced, and therefore the effect that the elevator is convenient to adjust the level is achieved.

(4) The pin column is inserted into the limiting groove of the square shaft, so that the square shaft cannot be separated from the connecting shaft when moving to the limit in the square hole of the connecting shaft, and the reliability effect of using the shell when adjusting the level is improved.

Drawings

The invention is further explained below with reference to the figures and examples:

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of a web construction of the present invention;

FIG. 4 is a schematic view of the landing bar configuration of the present invention;

FIG. 5 is a schematic view of a square shaft configuration of the present invention;

FIG. 6 is a schematic view of a spacing groove structure according to the present invention;

FIG. 7 is a schematic view of the support block configuration of the present invention.

Description of reference numerals:

the anti-skid device comprises a shell 1, a mounting seat 2, a mounting hole 3, a connecting cylinder 4, a first rotating disc 5, a second rotating disc 6, a positioning cylinder 7, a double-thread screw rod 8, an anti-skid protrusion 9, a stop block 10, a stud 11, a thrust bearing 12, a stop ring 13, a stop ring 14, a support block 15, a connecting shaft 16, a rotating shaft 17, a worm 18, a handle 19, a sleeve 20, a limit block 21, a worm wheel 22, a bearing groove 23, a deep groove ball bearing 24, a square shaft 25, a limit groove 26, a pin hole 27, a square hole 28, a pin 29, a fixing plate 30, a lifting rod 31, a wheel 32, a connecting rod 33, a connecting plate 34 and a connecting block.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention provides a fixing device of an elevator through improvement, as shown in figures 1-7, comprising a shell 1, two rotating shafts 17 are connected between the inner walls of two sides of the shell 1 through bearings, the outer walls of the two rotating shafts 17 are both connected with two worms 18 through flat keys, so that the rotating shafts 17 drive the worms 18 to rotate, the outer wall of the bottom of the shell 1 is connected with four connecting cylinders 4 through bolts, the insides of the connecting cylinders 4 are connected with studs 11 through bolts, the bottoms of the studs 11 are provided with supporting blocks 15, the studs 11 are supported through the supporting blocks 15 when rotating by utilizing the threaded connection relationship between the studs 11 and the connecting cylinders 4, the bottoms of the supporting blocks 15 are provided with anti-skid bulges 9 which are uniformly distributed, the anti-skid bulges 9 are utilized to increase the friction force with the ground, the insides of the supporting blocks 15 are provided with thrust bearings 12, the bottom ends, the thrust bearing 12 is utilized to reduce the friction force received when the stud 11 rotates, the inner wall of the top of the shell 1 is connected with four positioning cylinders 7 through bolts, connecting shafts 16 are inserted into the four positioning cylinders 7, square holes 28 are formed in the connecting shafts 16, square shafts 25 are welded on the outer walls of the tops of the studs 11, the square shafts 25 are movably inserted into the square holes 28 of the connecting shafts 16, worm wheels 22 are welded on the tops of the connecting shafts 16, the worm wheels 22 are meshed with adjacent worms 18, so that the connecting shafts 16 are driven to rotate through the transmission of the worm wheels 22 and the worms 18 when the rotating shafts 17 rotate, the connecting shafts 16 drive the studs 11 to rotate through the square shafts, four fixing plates 30 are welded on the outer wall of the bottom of the shell 1, one outer walls of the four fixing plates 30 are hinged with lifting rods 31 through shafts, wheels 32 are rotatably connected to the bottoms of the four lifting rods 31 through shafts, and, make things convenient for the lift to carry out quick fixation, one side outer wall of four lifting rods 31 all has connecting rod 33 through the axle is articulated, there is connecting plate 34 at two adjacent connecting rod 33's top through the axle is articulated, there is connecting block 35 at two connecting plate 34's top all through bolted connection, be connected with double-line screw rod 8 through the bearing between the 1 both sides inner wall of casing, two connecting block 35 all through screw thread and double-line screw rod 8 threaded connection, when making double-line screw rod 8 rotate, the relation through its and two connecting block 35 threaded connection drives two connecting block 35 and keeps away from the motion each other, and then make lifting rods 31's motion drive wheel 32 and ground and contact or break away from.

Further, there are two dog 10 in the outside of double-line screw 8 through bolted connection, and two connecting blocks 35 are located between two dog 10, utilize two dog 10 to block two connecting blocks 35 respectively for when rotatory double-line screw 8 makes connecting block 35 and dog 10 contact, produce the pretightning force through the rotation of double-line screw 8 between connecting block 35 and the dog 10, make double-line screw 8 can not the rotation.

Further, one side outer wall of the shell 1 is provided with two first turntables 5, and one ends of the two rotating shafts 17 penetrate through the inner wall of one side of the shell 1 and are respectively connected with the two first turntables 5 through splines, so that the rotating shafts 17 are driven to rotate in a shape advancing mode when the first turntables 5 rotate.

Further, one side outer wall of casing 1 is provided with second carousel 6, and the one end of double-line screw rod 8 runs through casing 1 one side inner wall and passes through splined connection with second carousel 6 for second carousel 6 drives double-line screw rod 8 when rotating and rotates.

Furthermore, a limiting groove 26 is formed in the square shaft 25, a pin hole 27 is formed in the outer wall of the connecting shaft 16, a pin 29 is inserted into the pin hole 27, the pin 29 is located in the limiting groove 26, and the pin 29 is matched with the limiting groove 26 to prevent the stud 11 from being separated from the connecting cylinder 4.

Further, the top outer wall of the supporting block 15 is connected with a baffle ring 13 through a bolt, and the bottom outer wall of the baffle ring 13 is integrally formed with a retaining ring 14.

Further, the retainer ring 14 is located inside the support block 15, and the retainer ring 14 is located on the top of the thrust bearing 12, so that the retainer ring 14 can block the thrust bearing 12.

Further, the outer wall of one side of first carousel 5 has welded handle 19, and the outer wall of handle 19 has cup jointed sleeve 20, and the one end welding of handle 19 has stopper 21, grinds the hand when preventing to stir handle 19 through sleeve 20, and handle 19 has also been welded to the outer wall of one side of second carousel 6.

Furthermore, a bearing groove 23 is formed in the top of the positioning cylinder 7, a deep groove ball bearing 24 is arranged inside the bearing groove 23, the connecting shaft 16 is inserted into the deep groove ball bearing 24, and the deep groove ball bearing 24 is used for lubricating the rotation of the connecting shaft 16.

Further, the outer wall welding of the top of casing 1 has mount pad 2, and the outer wall of the top of mount pad 2 is opened has mounting hole 3, can make the lift install on mount pad 2 through mounting hole 3.

The working principle of the invention is as follows: the mounting base 2 on the top of the shell 1 is mounted with a lifter, when the lifter needs to be moved, the second rotary disc 6 is rotated by the handle 19 on one side of the second rotary disc 6, so that the second rotary disc 6 drives the double-line screw 8 to rotate, when the double-line screw 8 rotates, the two connecting blocks 35 are driven to move away from each other by the threaded connection relationship with the two connecting blocks 35, the connecting blocks 35 move to drive the lifting rod 31 and the fixing plate 30 to rotate through the connecting rods 33, the lifting rod 31 moves to drive the wheels 32 to contact with the ground, and the supporting blocks 15 at the bottom of the studs 11 are separated from the ground, when the connecting blocks 35 are in contact with the check blocks 10, the double-line screw 8 stops rotating through the pretightening force between the connecting blocks 35 and the check blocks 10, the lifter can be moved through the wheels 32, and when the lifter needs to be fixed, in the same way as above, the wheel 32 is retracted through the connecting rod 33, when the elevator needs to be adjusted horizontally, the first rotating disc 5 is rotated through the handle 19, so that the first rotating disc 5 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the worm 18 to rotate, the worm 18 drives the worm wheel 22 to rotate, the worm wheel 22 rotates to drive the connecting shaft 16 to rotate, the connecting shaft 16 rotates to drive the square shaft 25 and the stud 11 to rotate through the square hole 28, the stud 11 rotates to move through the threaded connection with the connecting cylinder 4, the stud 11 rotates to lubricate inside the supporting block 15 through the thrust bearing 12, the elevator is adjusted horizontally, the stud 11 drives the square shaft 25 to move when moving, so that the pin 29 slides in the limiting groove 26 inside the square shaft 25, and the pin 29 and the limiting groove 26 are used for preventing the stud 11 from being separated from the connecting cylinder 4, the friction force between the elevator and the ground is increased through the anti-skid protrusions 9 at the bottoms of the supporting blocks 15, so that the elevator is stably fixed during working.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An elevator fixing device, characterized in that: the anti-skid device comprises a shell (1), two rotating shafts (17) are connected between the inner walls of the two sides of the shell (1) through bearings, the outer walls of the two rotating shafts (17) are connected with two worms (18) through flat keys, the outer wall of the bottom of the shell (1) is connected with four connecting cylinders (4) through bolts, the insides of the connecting cylinders (4) are connected with studs (11) through bolts, supporting blocks (15) are arranged at the bottoms of the studs (11), anti-skid protrusions (9) which are uniformly distributed are arranged at the bottoms of the supporting blocks (15), thrust bearings (12) are arranged inside the supporting blocks (15), the bottoms of the studs (11) are inserted into the thrust bearings (12), the inner wall of the top of the shell (1) is connected with four positioning cylinders (7) through bolts, and connecting shafts (16) are inserted into the four positioning, the connecting shaft is characterized in that a square hole (28) is formed in the connecting shaft (16), a square shaft (25) is welded on the outer wall of the top of the stud (11), the square shaft (25) is movably inserted into the square hole (28) of the connecting shaft (16), a worm wheel (22) is welded on the top of the connecting shaft (16), the worm wheel (22) is meshed with an adjacent worm (18), four fixing plates (30) are welded on the outer wall of the bottom of the shell (1), lifting rods (31) are hinged on the outer wall of one side of each of the four fixing plates (30) through shafts, wheels (32) are rotatably connected to the bottoms of the four lifting rods (31) through shafts, connecting rods (33) are hinged on the outer wall of one side of each of the four lifting rods (31), connecting plates (34) are hinged on the tops of two adjacent connecting rods (33) through shafts, and connecting blocks (35) are connected to the tops of the two connecting plates (34) through, the double-threaded screw rod (8) is connected between the inner walls of the two sides of the shell (1) through bearings, and the connecting blocks (35) are in threaded connection with the double-threaded screw rod (8) through threads.

2. An elevator fixing apparatus as defined in claim 1, wherein: the outside of double-thread screw rod (8) is connected with two check blocks (10) through bolts, and two connecting blocks (35) are located between the two check blocks (10).

3. An elevator fixing apparatus as defined in claim 1, wherein: the outer wall of one side of the shell (1) is provided with two first turntables (5), and one ends of the two rotating shafts (17) penetrate through the inner wall of one side of the shell (1) and are respectively connected with the two first turntables (5) through splines.

4. An elevator fixing apparatus as defined in claim 1, wherein: the outer wall of one side of the shell (1) is provided with a second turntable (6), and one end of the double-line screw (8) penetrates through the inner wall of one side of the shell (1) and is connected with the second turntable (6) through a spline.

5. An elevator fixing apparatus as defined in claim 1, wherein: a limiting groove (26) is formed in the square shaft (25), a pin hole (27) is formed in the outer wall of the connecting shaft (16), a pin column (29) is inserted into the pin hole (27), and the pin column (29) is located in the limiting groove (26).

6. An elevator fixing apparatus as defined in claim 1, wherein: the outer wall of the top of the supporting block (15) is connected with a baffle ring (13) through a bolt, and the outer wall of the bottom of the baffle ring (13) is integrally formed with a retainer ring (14).

7. An elevator fixing apparatus as defined in claim 6, wherein: the retainer ring (14) is positioned inside the supporting block (15), and the retainer ring (14) is positioned at the top of the thrust bearing (12).

8. An elevator fixing apparatus as defined in claim 3, wherein: the outer wall welding of one side of first carousel (5) has handle (19), the outer wall of handle (19) has cup jointed sleeve (20), the one end welding of handle (19) has stopper (21).

9. An elevator fixing apparatus as defined in claim 1, wherein: the top of the positioning cylinder (7) is provided with a bearing groove (23), a deep groove ball bearing (24) is arranged in the bearing groove (23), and the connecting shaft (16) is inserted in the deep groove ball bearing (24).

10. An elevator fixing apparatus as defined in claim 1, wherein: the outer wall welding of the top of casing (1) has mount pad (2), the top outer wall of mount pad (2) is opened there is mounting hole (3).