CN210065029U

CN210065029U - Lifting mechanism of lifting machine

Info

Publication number: CN210065029U
Application number: CN201921008932.5U
Authority: CN
Inventors: 陈巍
Original assignee: Hebei Chemical and Pharmaceutical College
Current assignee: Hebei Chemical and Pharmaceutical College
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-02-14
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a lifting mechanism of a lifting machine, which comprises a right lower movable frame, a left lower movable frame, a bottom plate, a threaded rod and a motor, the four corners of the lower surface of the bottom plate are welded with supporting seats, the two sides of the upper surface of the bottom plate are symmetrically welded with lower fixed blocks, the right lower movable frame and the left lower movable frame are rotatably arranged between the two lower fixed blocks, the other end of the right lower movable frame is rotatably connected with a right upper movable frame through a main shaft rod, the other end of the left lower movable frame is rotatably connected with a left upper movable frame through an auxiliary shaft rod, the other ends of the left upper movable frame and the right upper movable frame are rotatably arranged on the upper fixed block, a movable plate is welded on the upper surface of the upper fixed block, the middle position of the auxiliary shaft rod is embedded with a threaded sleeve, the middle position of the main shaft rod is embedded with a rotating sleeve, and the motor is fixed on the main shaft rod through a fixing frame. The utility model discloses, it is convenient to remove, goes up and down steadily, the swing is little, the loading capacity is big, and has improved the control accuracy of high lift.

Description

Lifting mechanism of lifting machine

Technical Field

The utility model relates to a lifting machine technical field specifically is a lifting mechanism of lifting machine.

Background

The design of the lifting machine aims to convey articles or table tops of a certain height to higher positions, and the lifting machine can be divided into a fixed type, a movable type, a guide rail type, a crank arm type, a scissor type, a chain type, a loading and unloading platform and the like.

The traditional lifting machine is relatively clumsy in lifting, relatively high in production cost, insufficient in control precision of height lifting and relatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting mechanism of lifting machine possesses simple structure, and it is convenient to use, and the size is little, light in weight, and it is convenient to remove, go up and down steadily, the swing is little, the loading capacity is big, and has improved the control accuracy advantage of high lift, solves traditional lifting machine and goes up and down, and not only equipment is comparatively clumsy, and manufacturing cost is higher, and it is also not enough to the control accuracy of high lift, uses comparatively inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lifting mechanism of lifting machine, includes activity frame, bottom plate, threaded rod and motor under the right side, the welding of lower surface four corners position department of bottom plate has the supporting seat, and the upper surface bilateral symmetry of bottom plate has lower fixed block, activity frame and the rotation of activity frame are installed under two between the fixed block down under the right side, and the other end of activity frame rotates through the main shaft pole under the right side and is connected with upper right activity frame, and the other end of activity frame rotates through the auxiliary shaft pole under the left side and is connected with upper left activity frame, the other end of upper left activity frame and upper right activity frame all rotates and installs at last fixed block, and the last skin weld of going up the fixed block has the fly leaf, the threaded sleeve is installed to the intermediate position department of auxiliary shaft pole inlay, and install the rotation cover in the intermediate position department of main shaft pole, the motor passes through the.

Preferably, the two ends of the auxiliary shaft rod and the main shaft rod are respectively inserted with a limiting pin, and the limiting pins are positioned on the outer walls of the two sides of the lower right movable frame and the lower left movable frame.

Preferably, the upper surface of the bottom plate is different from the two sides of the lower fixing block, and the cushion blocks are symmetrically welded on the two sides of the lower fixing block.

Preferably, one end of the threaded rod is installed in the threaded sleeve in a threaded manner, the other end of the threaded rod is installed in the rotating sleeve in a rotating manner, and the rotating cap is welded on the threaded rod.

Preferably, a rotating shaft is rotatably installed on the motor and movably clamped on the rotating cap.

Preferably, the number of the supporting seats is four, and the four supporting seats are distributed on the lower surface of the bottom plate in a rectangular array.

Compared with the prior art, the beneficial effects of the utility model are that: when the lifting mechanism of the lifting machine is used, the motor can be controlled to work by an external power supply, an external switch is connected by a lead, the switch is pressed, the motor rotates forwards, the rotating shaft of the motor drives the threaded rod to rotate, the position of the threaded sleeve moves on the threaded rod by the thread meshing action of the threaded rod and the threaded sleeve, the main shaft rod and the auxiliary shaft rod are driven to be close to each other, the lower right movable frame, the lower left movable frame, the upper right movable frame and the upper left movable frame are driven to rotate relatively, the upper fixed block is lifted, the movable plate is driven to move upwards, the lifting function can be realized, when the lifting mechanism needs to descend, the motor is controlled to rotate reversely only by the switch, the height of the movable plate can be controlled more closely by the close thread design of the threaded rod, the lifting mechanism has simple structure, convenient use and small size, light weight, convenient movement, stable lifting, small swing amplitude and large load capacity, and improves the control precision of height lifting.

Drawings

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

fig. 2 is a schematic view of the top-down expanded structure of the present invention;

fig. 3 is a schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. cushion blocks; 2. a lower right movable frame; 3. a lower fixed block; 4. a lower left movable frame; 5. a base plate; 6. a supporting seat; 7. a threaded rod; 8. a secondary shaft lever; 9. a left upper movable frame; 10. an upper fixed block; 11. a movable plate; 12. a right upper movable frame; 13. a spacing pin; 14. a fixed mount; 15. a rotating shaft; 16. a motor; 17. rotating the cap; 18. a main shaft rod; 19. a threaded sleeve; 20. the sleeve is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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 for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides a lifting mechanism of lifting machine, includes that activity frame 2, activity frame 4, bottom plate 5, threaded rod 7 and motor 16 down in the right side, the welding of the lower surface four corners position department of bottom plate 5 has supporting seat 6, and supporting seat 6 is four altogether, and four supporting seats 6 are rectangular array distribution at the lower surface of bottom plate 5, and the welding of the upper surface bilateral symmetry of bottom plate 5 has lower fixed block 3, and the bilateral symmetry welding that the upper surface of bottom plate 5 is different from lower fixed block 3 has cushion 1.

The middle position of the auxiliary shaft rod 8 is embedded with a threaded sleeve 19, the middle position of the main shaft rod 18 is embedded with a rotating sleeve 20, one end of the threaded rod 7 is installed in the threaded sleeve 19 in a threaded manner, the other end of the threaded rod 7 is installed in the rotating sleeve 20 in a rotating manner, a rotating cap 17 is welded on the threaded rod 7, the motor 16 is fixed on the main shaft rod 18 through a fixing frame 14, a rotating shaft 15 is installed on the motor 16 in a rotating manner, the rotating shaft 15 is movably clamped on the rotating cap 17, in the using process, the motor 16 can be controlled to work through an external power supply, an external switch is switched on through a lead, the switch is pressed, the motor 16 rotates forwards, the model of the motor 16 is TD57RBL55, the rotary screw rod 7 is driven to rotate by the rotating shaft 15 of the motor 16, the position of the threaded sleeve 19 moves on the threaded rod 7 through the thread meshing effect of, thereby bringing the main shaft 18 and the sub-shaft 8 closer to each other.

The right lower movable frame 2 and the left lower movable frame 4 are rotatably installed between the two lower fixed blocks 3, the other end of the right lower movable frame 2 is rotatably connected with a right upper movable frame 12 through a main shaft rod 18, the other end of the left lower movable frame 4 is rotatably connected with a left upper movable frame 9 through a sub shaft rod 8, the other ends of the left upper movable frame 9 and the right upper movable frame 12 are rotatably installed on an upper fixed block 10, a movable plate 11 is welded on the upper surface of the upper fixed block 10, two ends of the sub shaft rod 8 and the main shaft rod 18 are respectively inserted with a limit pin 13, the limit pins 13 are positioned on the outer walls of two sides of the right lower movable frame 2 and the left lower movable frame 4, the positions of the outer walls can be fixed, the four of the right lower movable frame 2, the left lower movable frame 4, the right upper movable frame 12 and the left upper movable frame 9 are driven to relatively rotate, the upper fixed block 10 is lifted, the movable plate 11 is driven to move upwards, when needing to descend, only need through the reverse rotation of on-off control motor 16 can, through the inseparable screw thread design through threaded rod 7, can be comparatively inseparable control fly leaf 11's height, simple structure, it is convenient to use, and the size is little, light in weight, and it is convenient to remove, goes up and down steadily, the amplitude of oscillation is little, the loading capacity is big, and has improved the control accuracy of high lift.

The working principle is as follows: when the lifting mechanism of the lifting machine of the utility model is in use, the motor 16 can be controlled to work by the external power supply, the switch is connected with the outside through a lead, the switch is pressed, the motor 16 rotates forwards, the rotating shaft 15 of the motor 16 drives the threaded rod 7 to rotate, by the threaded engagement of the threaded rod 7 with the threaded sleeve 19, the position of the threaded sleeve 19 is displaced on the threaded rod 7, thereby driving the main shaft rod 18 and the auxiliary shaft rod 8 to approach each other, further driving the right lower movable frame 2, the left lower movable frame 4, the right upper movable frame 12 and the left upper movable frame 9 to rotate relatively, so that the upper fixed block 10 is lifted, further driving the movable plate 11 to move upwards, the lifting function can be realized, when the lifting device needs to descend, the motor 16 is controlled to rotate reversely by the switch, by means of the tight thread design of the threaded rod 7, the height of the movable plate 11 can be controlled more tightly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lifting mechanism of lifting machine, includes activity frame (2) under the right side, activity frame (4), bottom plate (5), threaded rod (7) and motor (16) down in a left side, its characterized in that: the support base is characterized in that support bases (6) are welded at four corners of the lower surface of the bottom plate (5), lower fixed blocks (3) are symmetrically welded at two sides of the upper surface of the bottom plate (5), a lower right movable frame (2) and a lower left movable frame (4) are rotatably installed between the two lower fixed blocks (3), the other end of the lower right movable frame (2) is rotatably connected with an upper right movable frame (12) through a spindle rod (18), the other end of the lower left movable frame (4) is rotatably connected with an upper left movable frame (9) through an auxiliary shaft rod (8), the other ends of the upper left movable frame (9) and the upper right movable frame (12) are rotatably installed on an upper fixed block (10), a movable plate (11) is welded on the upper surface of the upper fixed block (10), a threaded sleeve (19) is installed at the middle position of the auxiliary shaft rod (8), and a rotating sleeve (20) is installed at the middle position of the spindle, the motor (16) is fixed on the main shaft rod (18) through a fixing frame (14).

2. The lift mechanism of a lift of claim 1, wherein: and limiting pins (13) are inserted into two ends of the auxiliary shaft rod (8) and the main shaft rod (18), and the limiting pins (13) are positioned on the outer walls of two sides of the lower right movable frame (2) and the lower left movable frame (4).

3. The lift mechanism of a lift of claim 1, wherein: the upper surface of the bottom plate (5) is different from the two sides of the lower fixing block (3) and is symmetrically welded with cushion blocks (1).

4. The lift mechanism of a lift of claim 1, wherein: one end of the threaded rod (7) is installed in the threaded sleeve (19), the other end of the threaded rod (7) is installed in the rotating sleeve (20) in a rotating mode, and the threaded rod (7) is welded with the rotating cap (17).

5. The lift mechanism of a lift of claim 3, wherein: the motor (16) is rotatably provided with a rotating shaft (15), and the rotating shaft (15) is movably clamped on the rotating cap (17).

6. The lift mechanism of a lift of claim 1, wherein: the number of the supporting seats (6) is four, and the four supporting seats (6) are distributed on the lower surface of the bottom plate (5) in a rectangular array.