CN216662372U

CN216662372U - Lifting type lifting operation platform locking mechanism

Info

Publication number: CN216662372U
Application number: CN202220051201.4U
Authority: CN
Inventors: 徐庆坤; 侯洪喜
Original assignee: Jinan Tianli Hydraulic Machinery Co ltd
Current assignee: Jinan Tianli Hydraulic Machinery Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-03
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a locking mechanism of a lifting type lifting operation platform, which comprises a lifting mechanism, wherein a first supporting column is arranged on one side of the lifting mechanism, a second supporting column is arranged on one side surface of the lifting mechanism, a first rotating shaft is fixedly connected to the inner wall of the first supporting column, the outer surface of the first rotating shaft is rotatably connected with the second supporting column, and a second rotating shaft is fixedly connected to the inner wall of the second supporting column. This over-and-under type lift operation platform locking mechanism, drive the fixed axle through first support column and second support column and rotate, then drive the threaded rod through the motor and rotate, make the threaded rod drive the motion of screw plate, further drive the inside that first control lever and second control lever inserted the carriage simultaneously through the connecting plate, to first support column and second support column locking, the realization is locked the elevating platform, thereby the elevating platform who realizes solving the load keeps the assigned position for a long time, make the problem that lift driven pressure increases by a wide margin.

Description

Lifting type lifting operation platform locking mechanism

Technical Field

The utility model relates to the field of processing and production of lifting operation platforms, in particular to a locking mechanism of a lifting operation platform.

Background

Lifting platform is a multi-functional jack-up loading and unloading mechanical equipment, can divide into fixed and portable: the movable type is divided into a straight arm type, a crank arm type, a scissor type, a mast type, an aluminum alloy lifting platform and a telescopic cylinder type: fixed type has the fork of cutting, guide tracked lift platform, chain formula lift platform, loading and unloading platform and attached form electric construction platform etc, the elevating platform is connected with lift drive part's drive end, through lift drive part drive elevating platform up-and-down motion during the operation, need will keep the platform stable at the assigned position in the actual production, because the lift platform of load keeps the assigned position for a long time, make lift driven pressure increase by a wide margin, serious can cause the problem that lift drive trouble leads to lift platform to drop.

Therefore, the lifting type lifting operation platform locking mechanism is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a locking mechanism of a lifting type lifting operation platform, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a locking mechanism of a lifting operation platform comprises a lifting mechanism, wherein one side of the lifting mechanism is provided with a first supporting column, a second supporting column is arranged on one side surface of the lifting mechanism, a first rotating shaft is fixedly connected with the inner wall of the first supporting column, the outer surface of the first rotating shaft is rotationally connected with a second supporting column, the inner wall of the second supporting column is fixedly connected with a second rotating shaft, the outer surface of the second rotating shaft is rotationally connected with the first supporting column, the left end of the second rotating shaft and the right end of the first rotating shaft are fixedly connected with fixed shafts, the outer surface of the fixed shaft is sleeved with a connecting plate, one side surface of the connecting plate is fixedly connected with a first control rod, the outer surface of the first control rod is connected with a control shaft in a sliding mode, the inner wall of the control shaft is connected with a second control rod in a sliding mode, and one end of the second control rod is fixedly connected with one side face of the connecting plate.

In a further embodiment, a side of the connecting plate is fixedly connected with an elastic sheet, one end of the elastic sheet is fixedly connected with a side of the control shaft, one side of the control shaft is fixedly connected with one end of a fixed shaft, the outer surface of the fixed shaft is slidably connected with the inner side of the elastic sheet, and the effect is as follows: the elastic sheet is used for positioning the second control rod through the connecting plate at the initial position, so that one end of the second control rod is just coplanar with one side surface of the control shaft, and free rotation of the first control rod is realized.

In a further embodiment, the fixed axle surface is rotated and is connected with the restriction frame, a side of restriction frame and a side fixed connection of first support column, the inner wall sliding connection of restriction frame has the carriage, the inner wall of carriage and the surface sliding connection of first control lever, the effect is: the carriage passes through an O type ring and two circular rod fixed connection, and the diameter adaptation of the inboard distance of O type ring and first control lever, drives the carriage up-and-down motion when making first control lever pivoted, and first control lever and second control lever are about the axis symmetric distribution of fixed axle, and the length of first control lever is greater than the length of second control lever.

In a further embodiment, a side of the limiting frame is rotatably connected with a threaded rod, one end of the threaded rod is fixedly connected with a motor, and the effect is as follows: the motor adopts a positive and negative rotation motor, the number of the threaded rods is two, and the thread pitches on the surfaces of the two threaded rods are the same, and the rotating directions are opposite.

In a further embodiment, the outer surface of the threaded rod is in threaded connection with a threaded plate, the inner wall of the threaded plate is in sliding connection with the outer surface of the fixed shaft, the inner wall of the threaded plate is in sliding connection with a limiting rod, and the effects are that: the quantity of the thread plates has two, and the limit is carried out through the limiting rod, so that the threaded rod drives the two thread plates to be close to or far away from each other, and the thread plates are pushed to move.

In a further embodiment, one end of the limiting rod is fixedly connected with one side surface of the limiting frame, a fixing column is fixedly connected to the outer surface of the limiting rod, a shock pad is fixedly connected to one side surface of the fixing column, one side surface of the shock pad is fixedly installed on the motor, and the effect is as follows: the motor passes through the shock pad and the installation of fixed column, then reduces the vibration transmission of motor through the shock pad, improves the stability of elevating platform.

Compared with the prior art, the utility model has the beneficial effects that:

this device drives the fixed axle through first support column and second support column and rotates, then drives the threaded rod through the motor and rotates, makes the threaded rod drive the motion of threading board, further drives the inside that first control lever and second control lever inserted the carriage simultaneously through the connecting plate, to first support column and second support column locking, realizes locking the elevating platform to the lift platform that the realization was solved the load keeps the assigned position for a long time, makes the problem that lift driven pressure increased substantially.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a locking mechanism of a lifting type lifting operation platform.

Fig. 2 is a schematic diagram of a three-dimensional structure of a limiting frame in a locking mechanism of the lifting type lifting operation platform.

Fig. 3 is a cross-sectional view of a top view of a first support column in the locking mechanism of the elevating work platform.

Fig. 4 is a partially enlarged structural schematic diagram of a part a in fig. 3 of the locking mechanism of the lifting type lifting operation platform.

In the figure: 1. a lifting mechanism; 2. a first support column; 3. a second support column; 4. a first rotating shaft; 5. a second rotating shaft; 6. a fixed shaft; 7. a control shaft; 8. a first control lever; 9. a second control lever; 10. a carriage; 11. a restraint frame; 12. a connecting plate; 13. an elastic sheet; 14. a threaded rod; 15. a thread plate; 16. an electric motor; 17. fixing a column; 18. a restraining bar; 19. a shock-absorbing pad.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

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.

Referring to fig. 1-4, in the present invention, a locking mechanism for a lifting/lowering operation platform comprises a lifting mechanism 1, a first supporting column 2 is disposed on one side of the lifting mechanism 1, a second supporting column 3 is disposed on one side of the lifting mechanism 1, the bottoms of the lifting mechanism 1, the second supporting column 3 and the first supporting column 2 are mounted on a base, a lifting platform is mounted on the tops of the second supporting column 3 and the first supporting column 2, the lifting mechanism 1 drives the first supporting column 2 and the second supporting column 3 to move, so as to drive the lifting platform to move up and down, a first rotating shaft 4 is fixedly connected to the inner wall of the first supporting column 2, the outer surface of the first rotating shaft 4 is rotatably connected to the second supporting column 3, a second rotating shaft 5 is fixedly connected to the inner wall of the second supporting column 3, the outer surface of the second rotating shaft 5 is rotatably connected to the first supporting column 2, a fixed shaft 6 is fixedly connected to the left end of the second rotating shaft 5 and the right end of the first rotating shaft 4, the outer surface of fixed axle 6 has cup jointed connecting plate 12, and a side fixedly connected with first control lever 8 of connecting plate 12, the surface sliding connection of first control lever 8 has control shaft 7, and the inner wall sliding connection of control shaft 7 has second control lever 9, and the one end of second control lever 9 and a side fixed connection of connecting plate 12.

One side surface of a connecting plate 12 is fixedly connected with an elastic sheet 13, one end of the elastic sheet 13 is fixedly connected with one side surface of a control shaft 7, one side surface of the control shaft 7 is fixedly connected with one end of a fixed shaft 6, the outer surface of the fixed shaft 6 is connected with the inner side of the elastic sheet 13 in a sliding way, the elastic sheet 13 positions a second control rod 9 through the connecting plate 12 when in an initial position, one end of the second control rod 9 is just coplanar with one side surface of the control shaft 7, free rotation of a first control rod 8 is realized, the outer surface of the fixed shaft 6 is connected with a limiting frame 11 in a rotating way, one side surface of the limiting frame 11 is fixedly connected with one side surface of a first supporting column 2, the inner wall of the limiting frame 11 is connected with a sliding frame 10 in a sliding way, the inner wall of the sliding frame 10 is connected with the outer surface of the first control rod 8 in a sliding way, the sliding frame 10 is fixedly connected with two round rods through an O-shaped ring, and the inner distance of the O-shaped ring is matched with the diameter of the first control rod 8, the sliding rack 10 is driven to move up and down while the first control rod 8 rotates, the first control rod 8 and the second control rod 9 are symmetrically distributed about the axis of the fixed shaft 6, and the length of the first control rod 8 is larger than that of the second control rod 9.

One side surface of the limiting frame 11 is rotatably connected with a threaded rod 14, one end of the threaded rod 14 is fixedly connected with a motor 16, the motor 16 adopts a forward and reverse rotation motor, the number of the threaded rods 14 is two, the thread pitches on the surfaces of the two threaded rods 14 are the same, the rotation directions are opposite, the outer surface thread of the threaded rod 14 is connected with a threaded plate 15, the inner wall of the threaded plate 15 is in sliding connection with the outer surface of the fixed shaft 6, the inner wall of the threaded plate 15 is in sliding connection with a limiting rod 18, the number of the threaded plates 15 is two, the threaded rod 14 drives the two threaded plates 15 to approach or separate from each other through the limiting rod 18, so that the threaded plate 15 pushes the connecting plate 12 to move, one end of the limiting rod 18 is fixedly connected with one side surface of the limiting frame 11, the outer surface of the limiting rod 18 is fixedly connected with a fixed column 17, one side end of the fixed column 17 is fixedly connected with a damping pad 19, and one side surface of the damping pad 19 is fixedly installed with the motor 16, the motor 16 is installed through the shock pad 19 and the fixed column 17, and then the shock pad 19 reduces the vibration transmission of the motor 16, thereby improving the stability of the lifting platform.

The working principle of the utility model is as follows:

in use, firstly, the lifting mechanism 1 and the motor 16 are communicated with a power supply, then the lifting mechanism 1, the first support column 2 and the second support column 3 are installed with a base and a lifting platform, the first support column 2 and the second support column 3 are moved through the lifting mechanism 1, the first rotating shaft 4 and the second rotating shaft 5 are respectively moved to rotate in the movement of the first support column 2 and the second support column 3, then the first rotating shaft 4 and the second rotating shaft 5 respectively drive the corresponding fixed shafts 6 to rotate, the fixed shafts 6 drive the connecting plates 12 to rotate through the second control rods 9 and the first control rods 8, and then the first control rods 8 drive the sliding frame 10 to reciprocate up and down.

Then after the lifting platform is lifted to a specified position, the motor 16 is controlled to work, the motor 16 drives the threaded rod 14 to rotate, the threaded rod 14 drives the threaded plate 15 to move through the limiting rod 18, the threaded plate 15 pushes the connecting plate 12 to move, the connecting plate 12 drives the second control rod 9 to move, the second control rod 9 is inserted into the sliding frame 10, the second control rod 9 and the first control rod 8 are symmetrically distributed about the axis of the fixed shaft 6, the thrust provided by the first control rod 8 and the thrust provided by the second control rod 9 to the sliding frame 10 are opposite, the sliding frame 10 enables the first control rod 8 and the second control rod 9 to be clamped, the fixed shaft 6 is locked, and therefore the first support column 2 and the second support column 3 are locked.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a locking mechanism of over-and-under type lift work platform which characterized in that: comprises an elevating mechanism (1), one side of the elevating mechanism (1) is provided with a first supporting column (2), one side of the elevating mechanism (1) is provided with a second supporting column (3), the inner wall of the first supporting column (2) is fixedly connected with a first rotating shaft (4), the outer surface of the first rotating shaft (4) is rotatably connected with the second supporting column (3), the inner wall of the second supporting column (3) is fixedly connected with a second rotating shaft (5), the outer surface of the second rotating shaft (5) is rotatably connected with the first supporting column (2), the left end of the second rotating shaft (5) and the right end of the first rotating shaft (4) are both fixedly connected with a fixed shaft (6), the outer surface of the fixed shaft (6) is sleeved with a connecting plate (12), one side of the connecting plate (12) is fixedly connected with a first control rod (8), the outer surface of the first control rod (8) is slidably connected with a control shaft (7), the inner wall of the control shaft (7) is connected with a second control rod (9) in a sliding mode, and one end of the second control rod (9) is fixedly connected with one side face of the connecting plate (12).

2. The locking mechanism of an elevating work platform of claim 1, wherein: one side of the connecting plate (12) is fixedly connected with an elastic sheet (13), one end of the elastic sheet (13) is fixedly connected with one side of the control shaft (7), one side of the control shaft (7) is fixedly connected with one end of the fixing shaft (6), and the outer surface of the fixing shaft (6) is slidably connected with the inner side of the elastic sheet (13).

3. The locking mechanism of an elevating work platform of claim 2, wherein: fixed axle (6) surface rotates and is connected with restriction frame (11), a side of restriction frame (11) and a side fixed connection of first support column (2), the inner wall sliding connection of restriction frame (11) has carriage (10), the outer surface sliding connection of the inner wall of carriage (10) and first control lever (8).

4. The locking mechanism of claim 3, wherein the locking mechanism comprises: one side of the limiting frame (11) is rotatably connected with a threaded rod (14), and one end of the threaded rod (14) is fixedly connected with a motor (16).

5. The locking mechanism of an elevating work platform of claim 4, wherein: the outer surface of the threaded rod (14) is in threaded connection with a threaded plate (15), the inner wall of the threaded plate (15) is in sliding connection with the outer surface of the fixed shaft (6), and the inner wall of the threaded plate (15) is in sliding connection with a limiting rod (18).

6. The locking mechanism of an elevating work platform of claim 5, wherein: one end of the limiting rod (18) is fixedly connected with one side face of the limiting frame (11), a fixing column (17) is fixedly connected to the outer surface of the limiting rod (18), a damping pad (19) is fixedly connected to one side end of the fixing column (17), and one side face of the damping pad (19) is fixedly installed with the motor (16).