WO2022094997A1

WO2022094997A1 - Fixed hydraulic lifting/lowering platform

Info

Publication number: WO2022094997A1
Application number: PCT/CN2020/127384
Authority: WO
Inventors: 陆骏
Original assignee: 陆骏
Priority date: 2020-11-07
Filing date: 2020-11-08
Publication date: 2022-05-12
Also published as: CN112299319A

Abstract

Disclosed in the present invention is a fixed hydraulic lifting/lowering platform, comprising a base. A first movable groove is provided at the top of the interior of the base; a mounting block is provided in the middle of the interior of the first movable groove; hydraulic cylinders are provided on both sides of the mounting block; output ends of the two sets of hydraulic cylinders are provided with connecting blocks; first limiting grooves are provided on two ends of both sides of the interior of the first movable groove; and first movable rods penetrating into the interior of the first limiting grooves are provided inside the connecting blocks. In the present invention, the hydraulic cylinders push the connecting blocks to drive the first movable rods to move, the first movable rods are limited by means of the first limiting grooves, the first movable rods drive a first support arm and a second support arm to move, the first support arm and the second support arm move in a crossed mode by means of a hinge pin, second movable rods are limited by means of second limiting grooves, and a platform is supported by means of the first support arm and the second support arm, thereby achieving lifting/lowering of the platform, and improving the practicability of the lifting/lowering platform.

Description

A fixed hydraulic lift

technical field

The invention relates to the technical field of hydraulic lifting platforms, in particular to a fixed hydraulic lifting platform.

Background technique

The hydraulic lift mainly realizes the lifting function through the pressure transmission of hydraulic oil. Its scissor fork mechanical structure makes the lift have high stability, wide working platform and high bearing capacity, which makes the working range at high altitude more efficient. It is large and suitable for multiple people to work at the same time, which makes aerial work more efficient and safer.

Most of the existing hydraulic lifting platforms are complex in structure, and often use mechanical linkage to achieve the lifting and lowering of the lifting platform. The lifting effect is poor, which is inconvenient for people to use, and the thrust direction is fixed, resulting in the hydraulic lifting platform is not stable enough and has low safety. .

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a fixed hydraulic lift table to solve the above-mentioned problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a fixed hydraulic lifting platform, comprising a base, a first movable groove is provided at the top of the interior of the base, a mounting block is provided at a middle position inside the first movable groove, and the mounting block Both sides are provided with hydraulic cylinders, the output ends of the two groups of hydraulic cylinders are provided with connecting blocks, both ends of the inside of the first movable groove are provided with first limiting grooves, and the interior of the connecting blocks A first movable rod inside the limit slot, one end of the first movable rod is provided with a first support arm, and one end of the first movable rod away from the first support arm is provided with a second support arm, the first support arm and the second support arm The middle position of the arm is provided with a pin shaft, the top of the base is provided with a platform, the four corners of the top of the base are provided with limit rods that penetrate into the interior of the platform, and the bottom end of the interior of the platform is provided with a second movable groove, the second movable groove Both sides of the two inner ends of the slot are provided with second limiting slots, and one end of the first support arm and the second support arm located inside the second movable slot is provided with a second movable rod penetrating into the second limiting slot.

Preferably, the mounting block is connected to the first movable groove by welding, and one end of the hydraulic cylinder close to the mounting block is provided with a plurality of sets of bolts, the hydraulic cylinder is fixedly connected to the mounting block through bolts, and the output end of the hydraulic cylinder is welded to the connecting block. A movable hole is arranged inside, and the first movable rod is rotatably connected with the connecting block through the movable hole.

Preferably, the first support arm and the second support arm are provided with a rotation hole at one end near the first movable rod, the first support arm and the second support arm are rotatably connected to the first movable rod through the rotation hole, and the first movable rod passes through the rotation hole. The first limiting slot is slidably connected with the base, and the first support arm is movably connected with the second support arm through a pin shaft.

Preferably, both ends of the first support arm and the second support arm located inside the second movable slot are provided with a movable hole, the first support arm and the second support arm are rotatably connected to the second movable rod through the movable hole, and the second movable rod It is movably connected with the second movable slot through the second limiting slot.

Preferably, the four corners inside the platform are provided with limit holes, and the limit rods penetrate into the limit holes, the platform is movably connected to the limit rods through the limit holes, and the limit rods are welded to the base.

Preferably, the four corners of the bottom of the base are provided with support legs.

Compared with the prior art, the beneficial effects of the present invention are:

1. In the present invention, the hydraulic cylinder pushes the connecting block to drive the first movable rod to move, the first movable rod is limited by the first limit groove, and the first movable rod drives the first support arm and the second support arm to move, and the pin The first support arm and the second support cross and move when the axis is rotated, the second movable rod is limited by the second limit groove, and the platform is supported by the first support arm and the second support, so as to realize the lifting of the platform and improve the lifting and lowering performance. usability of the desk;

2. In the present invention, the limit rod and the base are welded firmly, and the limit rod penetrates into the interior of the platform, and the platform is limited by the limit hole and the limit rod, so that the lifting of the lifting platform is more stable, and the hydraulic lifting platform is improved. Safety and convenience for people to use.

Description of drawings

FIG. 1 is a cross-sectional view of the present invention.

Figure 2 is a cross-sectional view of the present invention.

FIG. 3 is a front view of the present invention.

In the figure: 1. Base; 2. First movable slot; 3. Mounting block; 4. Hydraulic cylinder; 5. Connecting block; 6. First limit slot; 7. First movable rod; 8. First support arm 9, the second support arm; 10, the pin; 11, the platform; 12, the limit rod; 13, the second movable slot; 14, the second limit slot; 15, the second movable rod.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The technical solutions 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-3, an embodiment of a fixed hydraulic lifting platform provided by the present invention: a fixed hydraulic lifting platform includes a base 1, and a first movable groove 2 is provided at the top of the interior of the base 1. The first movable groove 2 is provided with a mounting block 3 at the middle position of the interior, and hydraulic cylinders 4 are provided on both sides of the mounting block 3. The output ends of the two groups of hydraulic cylinders 4 are provided with connecting blocks 5. Both ends are provided with a first limiting groove 6, the interior of the connecting block 5 is provided with a first movable rod 7 that penetrates into the interior of the first limiting groove 6, and one end of the first movable rod 7 is provided with a first support arm 8, A second support arm 9 is provided at one end of a movable rod 7 away from the first support arm 8 , a pin 10 is provided at the intermediate position of the first support arm 8 and the second support arm 9 , and a platform 11 is provided above the top of the base 1 , the four corners of the top of the base 1 are provided with limit rods 12 that penetrate into the interior of the platform 11, the bottom end of the platform 11 is provided with a second movable groove 13, and both sides of the inner two ends of the second movable groove 13 are provided with a second movable groove 13. The limiting slot 14 , one end of the first support arm 8 and the second support arm 9 located inside the second movable slot 13 are all provided with a second movable rod 15 penetrating into the second limiting slot 14 .

Please refer to FIG. 1 and FIG. 2 , the mounting block 3 is connected to the first movable groove 2 by welding, and the end of the hydraulic cylinder 4 close to the mounting block 3 is provided with a plurality of sets of bolts. The cylinder 4 is fixed to make the hydraulic cylinder 4 more stable. The output end of the hydraulic cylinder 4 is welded and connected to the connecting block 5. The interior of the connecting block 5 is provided with a movable hole, and the first movable rod 7 is rotatably connected to the connecting block 5 through the movable hole. The connecting block 5 and the first movable rod 7 are rotated.

Please refer to FIG. 1 and FIG. 3 , the first support arm 8 and the second support arm 9 are provided with a rotation hole at one end near the first movable rod 7, and the first support arm 8 and the second support arm 9 are connected to the first support arm through the rotation hole. A movable rod 7 is rotatably connected, the first movable rod 7 is slidably connected with the base 1 through the first limiting groove 6, and the first support arm 8 is movably connected with the second support arm 9 through the pin shaft 10, so that the first support arm 8 and the second support arm 9 are movably connected. The second support arm 9 crosses and moves to realize the lifting and lowering of the lifting platform.

Please refer to FIG. 1 , one end of the first support arm 8 and the second support arm 9 located inside the second movable slot 13 is provided with a movable hole, and the first support arm 8 and the second support arm 9 communicate with the second movable hole through the movable hole. The rod 15 is rotatably connected, and the second movable rod 15 is movably connected to the second movable groove 13 through the second limiting groove 14 , and has a better supporting effect on the first support arm 8 and the second support arm 9 , thereby supporting the platform 11 .

Please refer to FIG. 1 and FIG. 3 emphatically. There are limit holes at the four corners inside the platform 11, and the limit rod 12 penetrates into the limit hole. The platform 11 is movably connected to the limit rod 12 through the limit hole, and the limit rod 12 is welded and connected with the base 1, and the platform 11 is limited by the limit hole and the limit rod 12, which improves the stability of the lifting platform and is convenient for people to use.

Please refer to Figure 1 and Figure 3. There are support legs at the four corners of the bottom of the base 1. The base 1 is supported by the support legs, which makes the lifting platform more stable, improves the stability of the hydraulic lifting platform, and makes the lifting platform safe. Sex is higher.

Working principle: when the present invention is in use, the power is turned on, the hydraulic cylinder 4 is activated, the hydraulic cylinder 4 pushes the connecting block 5 to drive the first movable rod 7 to move, and the first movable rod 7 is limited by the first limit groove 6, The first movable rod 7 drives the first support arm 8 and the second support arm 9 to move, and the first support arm 8 and the second support 9 cross and move through the pin shaft 10 , and the second movable rod 15 is connected to the second movable rod 15 through the second limit groove 14 . To limit the position, the platform 11 is supported by the first support arm 8 and the second support 9 to realize the lifting and lowering of the platform 11, which improves the practicability of the lifting platform. 12 penetrates into the interior of the platform 11, and the platform 11 is limited by the limit hole and the limit rod 12, which makes the lifting platform more stable, improves the safety of the hydraulic lifting platform, and is convenient for people to use.

The above descriptions are only examples of the present invention, and common knowledge such as well-known specific structures and characteristics in the solution are not described too much here. It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and range of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims

A fixed hydraulic lifting platform, comprising a base (1), characterized in that: a first movable groove (2) is provided at the top inside the base (1), and a middle position inside the first movable groove (2) is provided. A mounting block (3) is provided at the place, hydraulic cylinders (4) are provided on both sides of the mounting block (3), and connecting blocks (5) are provided at the output ends of the two groups of the hydraulic cylinders (4). Both ends of the inner two sides of the first movable groove (2) are provided with first limiting grooves (6), and the interior of the connecting block (5) is provided with a second limiting groove (6) that penetrates into the interior of the first limiting groove (6). A movable rod (7), one end of the first movable rod (7) is provided with a first support arm (8), and one end of the first movable rod (7) away from the first support arm (8) is provided There is a second support arm (9), a pin shaft (10) is provided at the intermediate position of the first support arm (8) and the second support arm (9), and a platform is provided above the top of the base (1) (11), the four corners of the top of the base (1) are provided with limit rods (12) that penetrate into the interior of the platform (11), and the bottom end inside the platform (11) is provided with a second movable groove (13). ), both sides of the inner two ends of the second movable groove (13) are provided with second limiting grooves (14), and the first support arm (8) and the second support arm (9) are located in the second movable groove (13) One end of the interior is provided with a second movable rod (15) penetrating into the interior of the second limiting groove (14).
A fixed hydraulic lifting platform according to claim 1, characterized in that: the mounting block (3) is connected to the first movable groove (2) by welding, and the hydraulic cylinder (4) is close to the mounting block ( One end of 3) is provided with a plurality of sets of bolts, the hydraulic cylinder (4) is fixedly connected to the mounting block (3) through the bolts, the output end of the hydraulic cylinder (4) is welded to the connection block (5), and the connection A movable hole is arranged inside the block (5), and the first movable rod (7) is rotatably connected with the connecting block (5) through the movable hole.
A fixed hydraulic lifting platform according to claim 1, characterized in that: the first support arm (8) and the second support arm (9) are located near one end of the first movable rod (7) There is a rotation hole, the first support arm (8) and the second support arm (9) are rotatably connected with the first movable rod (7) through the rotation hole, and the first movable rod (7) passes through the first limit groove (6) is slidably connected with the base (1), and the first support arm (8) is movably connected with the second support arm (9) through a pin shaft (10).
A fixed hydraulic lifting platform according to claim 1, characterized in that: one end of the first support arm (8) and the second support arm (9) located inside the second movable groove (13) is provided with a A movable hole, the first support arm (8) and the second support arm (9) are rotatably connected to the second movable rod (15) through the movable hole, and the second movable rod (15) passes through the second limit groove ( 14) Actively connected with the second movable groove (13).
A fixed hydraulic lifting platform according to claim 1, characterized in that: limit holes are provided at four corners inside the platform (11), and the limit rods (12) penetrate into the inside of the limit holes, so The platform (11) is movably connected to a limit rod (12) through a limit hole, and the limit rod (12) is welded to the base (1).
A fixed hydraulic lifting platform according to claim 1, characterized in that: the four corners of the bottom of the base (1) are provided with support legs.