CN220684606U

CN220684606U - Lifting table

Info

Publication number: CN220684606U
Application number: CN202321876260.6U
Authority: CN
Inventors: 曹爱兰
Original assignee: Jiangsu Zhitiancheng Construction Engineering Co ltd
Current assignee: Jiangsu Zhitiancheng Construction Engineering Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-03-29
Anticipated expiration: 2033-07-17

Abstract

The utility model belongs to the technical field of lifting tables and discloses a lifting table which comprises a base, wherein a shear type expansion bracket is arranged at the top of the base, the lifting table is connected to the top of the shear type expansion bracket, a control mechanism is arranged at the top of the lifting table, a movable block is arranged at the top of the base, a connecting shaft is sleeved at a connecting shaft of the shear type expansion bracket, a movable block is connected to the lower end of the shear type expansion bracket through the connecting shaft, two ends of the connecting shaft penetrate through the shear type expansion bracket and the movable block and are fixedly connected with a first belt wheel, and a movable frame is arranged at the bottom of the base. According to the utility model, the third belt wheel can control the rotation of the second belt wheel under the cooperation of the transmission assembly, the third belt wheel is not influenced by the lifting amount of the scissor type telescopic frame, the transmission assembly can be ensured to be tightly transmitted no matter how much the lifting height is, and thus, constructors on the lifting platform can control the translation of the lifting platform at any time.

Description

Lifting table

Technical Field

The utility model belongs to the technical field of lifting platforms, and particularly relates to a lifting platform.

Background

The construction elevating platform has the function of assisting the working personnel in working aloft, is generally of a field assembly structure, is convenient to transport and transfer, and is convenient to build an elevating platform with proper height according to the requirements of a construction field.

The elevating platform that uses among the prior art is mostly inconvenient to remove, and the constructor is required to go down ground promotion elevating platform and just can realize the translation generally, just so need the staff to climb down on the earth constantly when continuous operation, excessively consume staff's physical power slows down the efficiency of construction, has increased the potential safety hazard moreover, consequently needs to improve it.

Disclosure of Invention

(one) solving the technical problems

In order to solve the problems in the prior art, the utility model provides a lifting table which has the advantage of convenient movement.

Wherein, make the rotation that the third band pulley can control the second band pulley under drive assembly's cooperation, can not receive the influence of scissors expansion bracket lifting volume moreover, no matter how much what the lifting height makes, can ensure that drive assembly can closely transmit to constructor on the elevating platform can control the translation of elevating platform at any time.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a elevating platform, includes the base, the top of base is provided with cuts the formula expansion bracket, the top of cutting the formula expansion bracket is connected with the elevating platform, the top of elevating platform is provided with control mechanism, the top of base is provided with the movable block, the connecting axle has been cup jointed to the connecting axle department of cutting the formula expansion bracket, the lower extreme of cutting the formula expansion bracket is connected with the movable block through the connecting axle, cut the first band pulley of expansion bracket and movable block and fixedly connected with are run through at the both ends of connecting axle, the bottom of base is provided with the movable frame, one side fixedly connected with second band pulley that the movable frame surface is close to the base center, the transmission is connected with drive assembly between first band pulley, second band pulley and the control mechanism.

Preferably, the scissor type expansion bracket is formed by hinging a plurality of support rods, and a linkage rod is fixedly connected between the front belt wheel and the rear belt wheel which correspond to the two second belt wheels.

Preferably, two spouts around having seted up at the top of base, the inside joint of sliding of spout has two sliders about, the top of slider extends to the top of base and with movable block fixed connection.

Preferably, the bottom of slider extends to the below of base and in fly frame fixed connection, the internal thread of slider has cup jointed the lead screw, the back of base is provided with driving motor, driving motor output shaft's tip passes through minor axis and one of them lead screw fixed connection, two the other end of lead screw passes through drive belt and links to each other.

Preferably, the control mechanism comprises a front mounting frame and a rear mounting frame welded on one side of the top of the lifting platform, the opposite faces of the mounting frames are movably connected with a third belt wheel, the opposite faces of the third belt wheel are fixedly connected with connecting rods, the opposite faces of the connecting rods are fixedly connected with cam plates, the opposite faces of the cam plates are fixedly connected with control rods, the directions of the cam plates are symmetrical relative to the center of the connecting rods, and the control rods are sleeved with anti-skidding sleeves in a rotating mode.

Preferably, the transmission assembly comprises a first transmission belt in transmission connection with the space between two adjacent first pulleys, a second transmission belt is in transmission connection with the space between the second pulley and one adjacent first pulley, and a third transmission belt is in transmission connection with the space between the third pulley and one adjacent first pulley.

(III) beneficial effects

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

1. due to the arrangement of the connecting shaft and the first belt pulley, the third belt pulley can control the rotation of the second belt pulley under the cooperation of the transmission assembly, the third belt pulley is not influenced by the lifting amount of the scissor type telescopic frame, the transmission assembly can be ensured to be tightly transmitted no matter how much the lifting height is, and accordingly constructors on the lifting platform can control the translation of the lifting platform at any time.

2. Due to the arrangement of the cam plate, the utility model can facilitate the constructors to control the rotation of the two third belt pulleys, and can ensure that the two hands controlled by the constructors are always positioned at the two symmetrical sides outside the axis of the connecting rod, thereby achieving the effects of saving labor and facilitating operation, and simultaneously being beneficial to keeping the stability of the body of the constructors during high-altitude control, thereby improving the safety.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a partial schematic view of the movable block of FIG. 1;

fig. 3 is a top view of the present utility model.

In the figure: 1. a base; 2. a lifting table; 3. a movable block; 4. a connecting shaft; 5. a first pulley; 6. a transmission assembly; 61. a first belt; 62. a second belt; 63. a third belt; 7. a movable frame; 8. a second pulley; 9. a roller; 10. a support rod; 11. a linkage rod; 12. a chute; 13. a slide block; 14. a screw rod; 15. a driving motor; 16. a mounting frame; 17. a third pulley; 18. an anti-skid sleeve; 19. a connecting rod; 20. a cam plate; 21. a control lever.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the utility model provides a lifting table, which comprises a base 1, wherein a scissor type expansion bracket is arranged at the top of the base 1, the top of the scissor type expansion bracket is connected with a lifting table 2, a control mechanism is arranged at the top of the lifting table 2, a movable block 3 is arranged at the top of the base 1, a connecting shaft 4 is sleeved at the connecting shaft of the scissor type expansion bracket, the lower end of the scissor type expansion bracket is connected with the movable block 3 through the connecting shaft 4, two ends of the connecting shaft 4 penetrate through the scissor type expansion bracket and the movable block 3 and are fixedly connected with a first belt pulley 5, the bottom of the base 1 is provided with a movable bracket 7, one side, close to the center of the base 1, of the surface of the movable bracket 7 is fixedly connected with a second belt pulley 8, and a transmission component 6 is in transmission connection among the first belt pulley 5, the second belt pulley 8 and the control mechanism; the third belt pulley 17 can control the rotation of the second belt pulley 8 under the cooperation of the transmission assembly 6, and the third belt pulley is not influenced by the lifting amount of the scissor type telescopic frame, so that the transmission assembly 6 can be tightly transmitted no matter how much the lifting height is used, and a constructor on the lifting platform 2 can control the translation of the lifting platform at any time.

As shown in fig. 1, the scissor type expansion bracket is formed by hinging a plurality of support rods 10, and a linkage rod 11 is fixedly connected between the front and rear corresponding two second belt wheels 8; due to the arrangement of the connecting shaft 4, the number of the supporting rods 10 can be conveniently adjusted by the constructors in a spliced manner, so that the maximum lifting amount of the scissor type telescopic frame can be conveniently changed, and the application range of the scissor type telescopic frame is improved.

As shown in fig. 2, two front and rear sliding grooves 12 are formed in the top of the base 1, two left and right sliding blocks 13 are slidably clamped in the sliding grooves 12, the top of each sliding block 13 extends to the upper side of the base 1 and is fixedly connected with the corresponding movable block 3, and due to the arrangement of the sliding grooves 12, the sliding blocks 13 can be well limited in movement, so that when the screw rod 14 rotates, the sliding blocks 13 can be driven to drive the movable blocks 3 and the movable frames 7 to synchronously move.

As shown in fig. 2, the bottom of the slider 13 extends to the lower part of the base 1 and is fixedly connected with the movable frame 7, the screw rod 14 is sleeved on the internal thread of the slider 13, the driving motor 15 is arranged on the back of the base 1, the end part of the output shaft of the driving motor 15 is fixedly connected with one screw rod 14 through a short shaft, and the other ends of the two screw rods 14 are connected through a transmission belt.

As shown in fig. 3, the control mechanism comprises a front mounting frame 16 and a rear mounting frame 16 welded on one side of the top of the lifting platform 2, the opposite surfaces of the two mounting frames 16 are movably connected with a third belt wheel 17, the opposite surfaces of the two third belt wheels 17 are fixedly connected with connecting rods 19, the opposite surfaces of the two connecting rods 19 are fixedly connected with cam plates 20, the opposite surfaces of the two cam plates 20 are fixedly connected with control rods 21, the directions of the two cam plates 20 are symmetrical relative to the centers of the connecting rods 19, and the control rods 21 are sleeved with anti-slip sleeves 18 in a rotating manner; because the setting of cam plate 20 can make things convenient for constructor to control the rotation of two third pulleys 17, can make constructor control's both hands all the time be located the both sides of the outer symmetry of connecting rod 19 axis moreover, consequently can reach laborsaving effect of being convenient for operate, help keeping constructor high altitude to control the stability of time health simultaneously to improve the security.

As shown in fig. 2 and 3, the transmission assembly 6 includes a first transmission belt 61 drivingly connected between two adjacent first pulleys 5, a second transmission belt 62 drivingly connected between the second pulley 8 and one of the adjacent first pulleys 5, and a third transmission belt 63 drivingly connected between the third pulley 17 and one of the adjacent first pulleys 5.

The working principle and the using flow of the utility model are as follows:

the driving motor 15 is started to control the two scissor lifts to move through the screw rod 14, the sliding block 13 and the movable block 3, so that the lifting table 2 can be lifted to a required height, and meanwhile, the roller 9 moves along with the movable block 3, so that the whole scissor lift can be well supported; then, a constructor on the lifting platform 2 holds the two anti-slip sleeves 18 by hands, the two connecting rods 19 can be driven to rotate through the control rods 21 and the cam plates 20, the two connecting rods 19 can be driven to operate through the third belt pulley 17 under the cooperation of the mounting frame 16, the third belt pulley 63 can operate, the second belt pulley 8 can be driven to rotate through the first belt pulley 5, the first belt pulley 61 and the second belt pulley 62, and the two rollers 9 can be synchronously and stably rotated under the cooperation of the linkage rods 11 due to the rotation of the second belt pulley 8, so that the lifting frame integrally translates.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a elevating platform, includes base (1), its characterized in that: the utility model discloses a scissors type telescopic frame, including base (1), scissors type telescopic frame, elevating platform (2) are connected with at the top of base (1), the top of elevating platform (2) is provided with control mechanism, the top of base (1) is provided with movable block (3), connecting axle (4) have been cup jointed in the connecting axle department of scissors type telescopic frame, the lower extreme of scissors type telescopic frame is connected with movable block (3) through connecting axle (4), the both ends of connecting axle (4) run through scissors type telescopic frame and movable block (3) and fixedly connected with first band pulley (5), the bottom of base (1) is provided with movable frame (7), one side fixedly connected with second band pulley (8) that is close to base (1) center on movable frame (7) surface, the transmission is connected with drive assembly (6) between first band pulley (5), second band pulley (8) and the control mechanism.

2. A lifting platform as claimed in claim 1, wherein: the shear type expansion bracket is formed by hinging a plurality of support rods (10), and a linkage rod (11) is fixedly connected between the front and rear corresponding second belt wheels (8).

3. A lifting platform as claimed in claim 1, wherein: the top of base (1) has seted up two spouts (12) around, two sliders (13) about the inside slip joint of spout (12), the top of slider (13) extends to the top of base (1) and with movable block (3) fixed connection.

4. A lifting platform according to claim 3, wherein: the bottom of slider (13) extends to the below of base (1) and in movable frame (7) fixed connection, the inside screw thread of slider (13) has cup jointed lead screw (14), the back of base (1) is provided with driving motor (15), the tip of driving motor (15) output shaft passes through minor axis and one of them lead screw (14) fixed connection, two the other end of lead screw (14) passes through drive belt and links to each other.

5. A lifting platform as claimed in claim 1, wherein: the control mechanism comprises a front mounting frame (16) and a rear mounting frame (16) welded on one side of the top of the lifting platform (2), wherein the opposite surfaces of the mounting frames (16) are movably connected with a third belt wheel (17), the opposite surfaces of the third belt wheel (17) are fixedly connected with connecting rods (19), the opposite surfaces of the connecting rods (19) are fixedly connected with cam plates (20), the opposite surfaces of the cam plates (20) are fixedly connected with control rods (21), the directions of the cam plates (20) are symmetrical relative to the center of the connecting rods (19), and the control rods (21) are rotationally sleeved with anti-slip sleeves (18) to the outside.

6. A lifting platform as claimed in claim 5, wherein: the transmission assembly (6) comprises a first transmission belt (61) which is in transmission connection with two adjacent first pulleys (5), a second transmission belt (62) is in transmission connection with one adjacent first pulley (5), and a third transmission belt (63) is in transmission connection with one adjacent first pulley (5) between a third pulley (17).