CN215886263U

CN215886263U - Safe lifting platform

Info

Publication number: CN215886263U
Application number: CN202122406197.7U
Authority: CN
Inventors: 徐金梅
Original assignee: Shanghai Gangqi Building Materials Co ltd
Current assignee: Shanghai Gangqi Building Materials Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-02-22
Anticipated expiration: 2031-10-08

Abstract

The utility model relates to the technical field of lifting platforms, and discloses a safe lifting platform which comprises a base, wherein two lifting plates are arranged above the base, the top ends of the two lifting plates are fixedly connected with the same safe platform, the top of the safe platform is fixedly connected with a protective fence plate, the bottom ends of the two lifting plates are respectively provided with a lifting groove, a first lifting column and a second lifting column are respectively connected in the two lifting grooves in a sliding manner, the bottom ends of the first lifting column and the second lifting column extend to the lower part of the two lifting plates and are fixedly connected with the top of the base, the inner walls of two sides of the two lifting grooves are respectively provided with a limiting groove, and two sides of the first lifting column and two sides of the second lifting column are respectively and fixedly connected with limiting blocks. The safety platform is lifted through lifting the two lifting plates, the stability is good, the safety is high, the safety platform is positioned through clamping the clamping rod and the clamping groove, the use is convenient, the potential safety hazard is reduced, and the requirements of users are met.

Description

Safe lifting platform

Technical Field

The utility model relates to the technical field of lifting platforms, in particular to a safe lifting platform.

Background

A lifting platform is a multifunctional hoisting, loading and unloading mechanical device for vertically transporting people or objects. The scissor-type lifting platform is special equipment for high-altitude operation, which can be vertically lifted and widely used indoors and outdoors, and can be widely applied to equipment maintenance, indoor and outdoor mechanical installation, equipment maintenance and building maintenance of stations, docks, bridges, halls and factory buildings.

The existing lifting platform mainly utilizes an air cylinder or an oil cylinder as a power source, and if a fault occurs suddenly in the lifting process, the lifting platform stops in the air and cannot be lifted continuously, so that the lifting platform is unfavorable for workers, has potential safety hazards and cannot meet the requirements of users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a lifting platform stops in the air and cannot be lifted continuously, is unfavorable for workers, has potential safety hazards and cannot meet the requirements of users, and provides a safe lifting platform.

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

a safe lifting platform comprises a base, two lifting plates are arranged above the base, the top ends of the two lifting plates are fixedly connected with the same safe platform, the top of the safe platform is fixedly connected with a protective fence plate, the bottom ends of the two lifting plates are respectively provided with a lifting groove, a first lifting column and a second lifting column are respectively connected in the two lifting grooves in a sliding manner, the bottom ends of the first lifting column and the second lifting column extend to the lower part of the two lifting plates and are fixedly connected with the top of the base, the inner walls of the two sides of the two lifting grooves are respectively provided with a limiting groove, the two sides of the first lifting column and the second lifting column are respectively fixedly connected with a limiting block, the two limiting blocks are respectively connected with the corresponding limiting grooves in a sliding manner, the top of the base is connected with a movable hinge mechanism in a sliding manner, the movable hinge mechanism is fixedly connected with the bottom of the safe platform, and a positioning mechanism is fixedly connected with the base, and the positioning mechanism penetrates through the movable hinge mechanism and is connected with the movable hinge mechanism in a sliding manner, the first lifting column and the second lifting column are rotatably connected with the same thread driving mechanism, the thread driving mechanism penetrates through the movable hinge mechanism and is connected with the movable hinge mechanism in a threaded manner, one side of the base is slidably connected with an elastic fixing mechanism, and the elastic fixing mechanism is clamped with the thread driving mechanism.

Preferably, the movable hinging mechanism comprises a movable plate, a hinging plate and a hinging seat, the hinging plate and the hinging seat are obliquely arranged, the moving groove is formed in the top of the base, the movable plate is connected with the moving groove in a sliding mode, the hinging plate is rotatably connected with the side wall of the movable plate, the hinging seat is rotatably connected with one end, far away from the movable plate, of the hinging plate, and the top end of the hinging seat is fixedly connected with the bottom of the safety platform.

Preferably, the positioning mechanism comprises a positioning rod, the movable plate is provided with a positioning hole, the positioning rod is connected with the positioning hole in a sliding manner, and two ends of the positioning rod are respectively fixedly connected with the inner wall of one side of the corresponding movable groove.

Preferably, the thread driving mechanism comprises a threaded rod and a driving hand wheel, a rotating groove is formed in one side, close to the second lifting column, of the first lifting column, a rotating hole is formed in the second lifting column, the threaded rod is rotatably connected with the rotating hole and the rotating groove, one end of the threaded rod penetrates through the movable plate and is in threaded connection with the movable plate, and the other end of the threaded rod extends to the outer side of the second lifting column and is fixedly connected with one side, close to the second lifting column, of the driving hand wheel.

Preferably, the elastic fixing mechanism comprises a fixing plate, a clamping rod, a reset rod and a reset spring, a fixing groove is formed in one side of the base, the fixing plate is connected with the fixing groove in a sliding mode, the clamping rod is fixedly connected with the top of the fixing plate, the bottom end of the driving hand wheel is provided with a clamping groove, the top end of the clamping rod is clamped with the clamping groove, a reset hole is formed in the fixing plate, the reset rod is connected with the reset hole in a sliding mode, and the top end and the bottom end of the reset rod are respectively fixedly connected with the inner wall of the top of the fixing groove and the inner wall of the bottom of the fixing groove.

Preferably, the reset spring is sleeved on the outer side of the reset rod in a sliding manner, the top end of the reset spring is fixedly connected with the bottom of the fixing plate, and the bottom end of the reset spring is fixedly connected with the inner wall of the bottom of the fixing groove.

Preferably, the rotating groove and the rotating hole are both fixedly connected with outer rings of bearings, and the threaded rod is fixedly connected with inner rings of the two bearings.

Preferably, the number of the clamping grooves is multiple, and the clamping grooves are distributed on the driving hand wheel in an annular shape at equal intervals.

Compared with the prior art, the utility model provides a safe lifting platform, which has the following beneficial effects:

1. the safety lifting platform is lifted through the arrangement of the base, the lifting plate, the safety platform, the protective fence plate, the lifting groove, the first lifting column, the second lifting column, the limiting groove, the limiting block, the moving groove, the moving plate, the hinged seat, the positioning hole and the positioning rod, and is good in stability and strong in safety;

2. according to the safe lifting platform, the safe platform is positioned through the arrangement of the rotating groove, the rotating hole, the threaded rod, the driving hand wheel, the fixing groove, the fixing plate, the clamping rod, the clamping groove, the reset hole, the reset rod and the reset spring, the use is convenient, and potential safety hazards are reduced;

the safety platform is lifted by lifting the two lifting plates, so that the stability is good and the safety is high.

Drawings

Fig. 1 is a schematic front view of a safety lifting platform according to the present invention;

fig. 2 is a schematic structural view of a portion a of fig. 1 of a safety lifting platform according to the present invention;

fig. 3 is a schematic structural diagram of a portion B in fig. 1 of a safety lifting platform according to the present invention.

In the figure: the safety device comprises a base 1, a lifting plate 2, a safety platform 3, a protective breast board 4, a lifting groove 5, a first lifting column 6, a second lifting column 7, a limiting groove 8, a limiting block 9, a moving groove 10, a moving plate 11, a hinged plate 12, a hinged seat 13, a positioning hole 14, a positioning rod 15, a rotating groove 16, a rotating hole 17, a threaded rod 18, a driving hand wheel 19, a fixing groove 20, a fixing plate 21, a clamping rod 22, a clamping groove 23, a resetting hole 24, a resetting rod 25 and a resetting spring 26.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a safety lifting platform comprises a base 1, two lifting plates 2 are arranged above the base 1, the top ends of the two lifting plates 2 are fixedly connected with the same safety platform 3, the top of the safety platform 3 is fixedly connected with a guard fence 4, the bottom ends of the two lifting plates 2 are both provided with lifting grooves 5, the two lifting grooves 5 are respectively connected with a first lifting column 6 and a second lifting column 7 in a sliding manner, the bottom ends of the first lifting column 6 and the second lifting column 7 extend to the lower part of the two lifting plates 2 and are fixedly connected with the top of the base 1, the inner walls of the two sides of the two lifting grooves 5 are both provided with limiting grooves 8, the two sides of the first lifting column 6 and the second lifting column 7 are both fixedly connected with limiting blocks 9, the two limiting blocks 9 are respectively connected with the corresponding limiting grooves 8 in a sliding manner, the top of the base 1 is connected with a movable hinge mechanism in a sliding manner, the movable hinge mechanism is fixedly connected with the bottom of the safety platform 3, the base 1 is fixedly connected with a positioning mechanism, the positioning mechanism penetrates through the movable hinge mechanism and is in sliding connection with the movable hinge mechanism, the first lifting column 6 and the second lifting column 7 are rotatably connected with the same thread driving mechanism, the thread driving mechanism penetrates through the movable hinge mechanism and is in threaded connection with the movable hinge mechanism, one side of the base 1 is in sliding connection with an elastic fixing mechanism, the elastic fixing mechanism is clamped with the thread driving mechanism, and the two limiting blocks 9 limit the first lifting column 6 and the second lifting column 7; the hinge mechanism comprises a movable plate 11, a hinge plate 12 and a hinge seat 13, the hinge plate 12 and the hinge seat 13 are obliquely arranged, the moving groove 10 is formed in the top of the base 1, the movable plate 11 is in sliding connection with the moving groove 10, the hinge plate 12 is rotatably connected with the side wall of the movable plate 11, the hinge seat 13 is rotatably connected with one end, far away from the movable plate 11, of the hinge plate 12, the top end of the hinge seat 13 is fixedly connected with the bottom of the safety platform 3, and the movable plate 11 drives the hinge seat 13 to move through the hinge plate 12.

In the utility model, the positioning mechanism comprises positioning rods 15, the movable plate 11 is provided with positioning holes 14, the positioning rods 15 are in sliding connection with the positioning holes 14, two ends of each positioning rod 15 are respectively fixedly connected with the inner wall of one side of the corresponding movable groove 10, and the movable plate 11 is limited by the positioning rods 15.

In the utility model, the thread driving mechanism comprises a threaded rod 18 and a driving hand wheel 19, a rotating groove 16 is formed in one side, close to the second lifting column 7, of the first lifting column 6, a rotating hole 17 is formed in the second lifting column 7, the threaded rod 18 is rotatably connected with the rotating hole 17 and the rotating groove 16, one end of the threaded rod 18 penetrates through the moving plate 11 and is in threaded connection with the moving plate 11, the other end of the threaded rod 18 extends to the outer side of the second lifting column 7 and is fixedly connected with one side, close to the second lifting column 7, of the driving hand wheel 19, and the moving plate 11 is driven to horizontally move by rotation of the threaded rod 18.

In the utility model, the elastic fixing mechanism comprises a fixing plate 21, a clamping rod 22, a reset rod 25 and a reset spring 26, one side of the base 1 is provided with a fixing groove 20, the fixing plate 21 is connected with the fixing groove 20 in a sliding way, the clamping rod 22 is fixedly connected with the top of the fixing plate 21, the bottom end of the driving hand wheel 19 is provided with a clamping groove 23, the top end of the clamping rod 22 is clamped with the clamping groove 23, the fixing plate 21 is provided with a reset hole 24, and reset rod 25 and reset hole 24 sliding connection, the top and the bottom of reset rod 25 respectively with corresponding fixed slot 20's top inner wall and bottom inner wall fixed connection, reset rod 25 carries on spacingly to fixed plate 21, reset spring 26 sliding sleeve establishes the outside at reset rod 25, reset spring 26's top and fixed connection of fixed plate 21's bottom, reset spring 26's bottom and fixed slot 20's bottom inner wall fixed connection, reset spring 26 plays spacing and the effect that resets.

In the utility model, the outer rings of the bearings are fixedly connected in the rotating groove 16 and the rotating hole 17, the threaded rod 18 is fixedly connected with the inner rings of the two bearings, and the two bearings limit the threaded rod 18.

In the utility model, the number of the clamping grooves 23 is multiple, the clamping grooves 23 are annularly and equidistantly distributed on the driving hand wheel 19, and the plurality of clamping grooves 23 are used for fixing the driving hand wheel 19 at multiple positions.

In the utility model, when in use, the fixed plate 21 is stepped downwards, the reset rod 25 limits the fixed plate 21, meanwhile, the fixed plate 21 compresses the reset spring 26, energy is absorbed by the reset spring 26, meanwhile, the fixed plate 21 drives the clamping rod 22 to move, the clamping rod 22 moves out of the clamping groove 23, the fixing of the driving hand wheel 19 is released, then the driving hand wheel 19 is rotated, the driving hand wheel 19 drives the threaded rod 18 to rotate, the threaded rod 18 drives the moving plate 11 to move, the positioning rod 15 limits the moving plate 11, meanwhile, the moving plate 11 drives the hinged plate 12 to move, the hinged plate 12 drives the hinged seat 13 to move, the hinged seat 13 drives the safety platform 3 to move upwards, the safety platform 3 drives the two lifting plates 2 to move upwards, the two limit blocks 9 limit the two lifting plates 2, and when the safety platform 3 is lifted to a proper position, the driving hand wheel 19 is kept not to move, loosen fixed plate 21, under the spring resilience effort through reset spring 26, make kelly 22 block go into in the draw-in groove 23, to drive hand wheel 19 fix can to go up and down to safety platform 3 through the lift to two lifter plates 2, stability is good and the security is strong, clamps mutually through kelly 22 and draw-in groove 23 and fixes a position safety platform 3, convenient to use has reduced the potential safety hazard, has satisfied user's needs.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A safe lifting platform comprises a base (1) and is characterized in that two lifting plates (2) are arranged above the base (1), the top ends of the two lifting plates (2) are fixedly connected with the same safe platform (3), the top of the safe platform (3) is fixedly connected with a protective fence (4), lifting grooves (5) are formed in the bottom ends of the two lifting plates (2), a first lifting column (6) and a second lifting column (7) are respectively connected in the two lifting grooves (5) in a sliding manner, the bottom ends of the first lifting column (6) and the second lifting column (7) extend to the lower portion of the two lifting plates (2) and are fixedly connected with the top of the base (1), limiting grooves (8) are formed in the inner walls of the two sides of the two lifting grooves (5), limiting blocks (9) are fixedly connected to the two sides of the first lifting column (6) and the second lifting column (7), and two limiting blocks (9) are respectively connected with corresponding limiting grooves (8) in a sliding manner, the top of the base (1) is connected with a movable hinging mechanism in a sliding manner, the movable hinging mechanism is fixedly connected with the bottom of the safety platform (3), the base (1) is connected with a positioning mechanism in a fixed manner, the positioning mechanism penetrates through the movable hinging mechanism and is connected with the movable hinging mechanism in a sliding manner, the first lifting column (6) and the second lifting column (7) are connected with the same thread driving mechanism in a rotating manner, the thread driving mechanism penetrates through the movable hinging mechanism and is connected with the movable hinging mechanism in a threaded manner, one side of the base (1) is connected with an elastic fixing mechanism in a sliding manner, and the elastic fixing mechanism is clamped with the thread driving mechanism.

2. The safe lifting platform according to claim 1, wherein the movable hinge mechanism comprises a movable plate (11), a hinge plate (12) and a hinge seat (13), the hinge plate (12) is obliquely arranged, the top of the base (1) is provided with a moving groove (10), the movable plate (11) is in sliding connection with the moving groove (10), the hinge plate (12) is rotatably connected with the side wall of the movable plate (11), the hinge seat (13) is rotatably connected with one end, far away from the movable plate (11), of the hinge plate (12), and the top end of the hinge seat (13) is fixedly connected with the bottom of the safe platform (3).

3. The safety lifting platform according to claim 2, wherein the positioning mechanism comprises a positioning rod (15), the movable plate (11) is provided with a positioning hole (14), the positioning rod (15) is slidably connected with the positioning hole (14), and two ends of the positioning rod (15) are respectively fixedly connected with an inner wall of one side of the corresponding movable groove (10).

4. The safe lifting platform as claimed in claim 2, wherein the thread driving mechanism comprises a threaded rod (18) and a driving hand wheel (19), a rotating groove (16) is formed in one side, close to the second lifting column (7), of the first lifting column (6), a rotating hole (17) is formed in the second lifting column (7), the threaded rod (18) is rotatably connected with the rotating groove (16) and the rotating hole (17), one end of the threaded rod (18) penetrates through the moving plate (11) and is in threaded connection with the moving plate (11), and the other end of the threaded rod (18) extends to the outer side of the second lifting column (7) and is fixedly connected with one side, close to the second lifting column (7), of the driving hand wheel (19).

5. The safety lifting platform according to claim 4, wherein the elastic fixing mechanism comprises a fixing plate (21), a clamping rod (22), a reset rod (25) and a reset spring (26), a fixing groove (20) is formed in one side of the base (1), the fixing plate (21) is slidably connected with the fixing groove (20), the clamping rod (22) is fixedly connected with the top of the fixing plate (21), a clamping groove (23) is formed in the bottom end of the driving hand wheel (19), the top end of the clamping rod (22) is clamped with the clamping groove (23), the reset hole (24) is formed in the fixing plate (21), the reset rod (25) is slidably connected with the reset hole (24), and the top end and the bottom end of the reset rod (25) are fixedly connected with the top inner wall and the bottom inner wall of the corresponding fixing groove (20) respectively.

6. A safety lifting platform according to claim 5, characterized in that the return spring (26) is slidably sleeved on the outside of the return rod (25), the top end of the return spring (26) is fixedly connected with the bottom of the fixing plate (21), and the bottom end of the return spring (26) is fixedly connected with the inner wall of the bottom of the fixing groove (20).

7. A safety lifting platform according to claim 5, wherein the outer rings of the bearings are fixedly connected in the rotary groove (16) and the rotary hole (17), and the threaded rod (18) is fixedly connected with the inner rings of the two bearings.

8. A safety lifting platform according to claim 5, wherein the number of the locking grooves (23) is multiple, and the locking grooves (23) are annularly and equidistantly distributed on the driving hand wheel (19).