Electric lifting device

Abstract

The utility model discloses an electric lifting device, which belongs to the technical field of lifting equipment, and comprises a bottom plate, a first electric lifting component is arranged above the bottom plate, a first table board placing component is arranged above the first electric lifting component, and second electric lifting components are arranged on two sides of the first electric lifting component. A second placement table top assembly is arranged above the second electric lifting assembly, and a plurality of universal wheels are mounted below the bottom plate; through the arrangement of the distance adjusting and fixing device, a worker can adjust the distance between the first placement table board assembly and the two second placement table board assemblies through the matching of structures such as a lead screw and a movable block when needed, so that the working requirements under different conditions are better met; and the device can be prevented from moving through cooperation of an electric telescopic rod and a rubber friction plate when needed, and then the working capacity of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting equipment, and in particular relates to an electric lifting device. Background Art

[0002] Lifting equipment refers to mechanical equipment used for lifting work, which is commonly used in many fields such as mechanical processing, agriculture and animal husbandry industry, and mineral development.

[0003] Chinese patent application No. 201520593414.X discloses an electric lifting platform for laboratory use, including a lifting table, a moving mechanism is arranged at the bottom of the lifting table; the lifting table is provided with a plurality of vessel placement devices of different heights; the vessel placement device includes a lifting rod slidably connected to the lifting table in a vertical direction, and a placement table is installed on the upper end of the lifting rod; an adjustment button is arranged on the lifting table, the adjustment button is connected to an adjustment motor, and the adjustment motor is connected to the lifting rod by transmission; a plurality of stepped grooves are arranged on the upper end surface of the placement table, and the grooves are arranged in a concentric circle. The utility model has a simple structure and a reasonable design. A plurality of placement tables are arranged on a lifting table, which is convenient for classification management and storage, and is easy to use. It is adjusted by electric adjustment, which saves time and effort, is fast and convenient, improves the efficiency of the experiment, saves time, is highly practical, and is easy to promote.

[0004] 1. The above-mentioned disclosed patent has the problem that the distance between each placement table cannot be adjusted when needed and the device is prone to accidental movement, thereby reducing the working capacity of the lifting platform; 2. The above-mentioned disclosed patent has the problem that it cannot shock-absorb vibration when needed, thereby reducing the practicality of the lifting platform. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an electric lifting device, which has the characteristics of high working capacity and strong practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric lifting device, comprising a base plate, a first electric lifting assembly is arranged above the base plate, a first placement table assembly is arranged above the first electric lifting assembly, second electric lifting assemblies are arranged on both sides of the first electric lifting assembly, a second placement table assembly is arranged above the second electric lifting assembly, a plurality of universal wheels are installed below the base plate, the first electric lifting assembly and the two second electric lifting assemblies are connected to the base plate by a distance adjustment fixing device, and a buffer connection device is installed between the first placement table assembly and the first electric lifting assembly and between the second electric lifting assembly and the second placement table assembly.

[0007] Preferably, the distance adjustment fixing device includes a support frame, a screw rod, a fixing assembly, a knob, a moving block and a fixed block. The support frame is installed on one side of the base plate close to the first electric lifting assembly and the two second electric lifting assemblies. The first electric lifting assembly is connected to the support frame through a fixing block. Screw rods are installed on both sides of the fixing block through bearings. A knob is installed on the side of the screw rod away from the fixing block. A moving block is installed below the second electric lifting assembly and at a position outside the screw rod and inside the support frame. Fixed assemblies are installed below the support frame and at positions on both sides of the base plate.

[0008] Preferably, the height and inner width of the inner bottom surface of the support frame are equal to the height and outer width of the outer bottom surface of the moving block.

[0009] Preferably, the fixing assembly includes an electric telescopic rod, a lifting plate and a rubber friction plate. The electric telescopic rod is installed below the support frame and on both sides of the bottom plate, the lifting plate is installed below the electric telescopic rod, and the rubber friction plate is installed below the lifting plate.

[0010] Preferably, the buffer connection device includes a connecting plate, an elastic rubber tube, a damper and a connecting tube, a connecting plate is installed on a side of the first electric lifting component close to the first placement table component and a side of the second electric lifting component close to the second placement table component, a connecting tube is installed below the first placement table component and the second placement table component and at a position outside the connecting plate, an elastic rubber tube is installed between an inner top surface of the connecting tube and an outer top surface of the connecting plate, and a damper is installed between the inner top surface of the connecting tube and the outer top surface of the connecting plate and at a position inside the elastic rubber tube.

[0011] Preferably, the buffer connection device further comprises screws, and two screws are threadedly mounted on the bottom of the connection tube.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a distance adjustment fixing device, so that the staff can adjust the distance between the first placement table assembly and the two second placement table assemblies through the cooperation of structures such as a screw rod and a moving block when necessary, so as to better meet the work needs in different situations, and the device can prevent itself from moving when necessary through the cooperation of an electric telescopic rod and a rubber friction plate, thereby improving the working capacity of the device.

[0014] 2. The utility model provides a buffer connection device so that the device can, when necessary, perform certain shock absorption and buffering on vibrations through the cooperation of structures such as elastic rubber tubes and dampers, thereby reducing the possibility of adverse effects on work and further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a three-dimensional cutaway view of the utility model;

[0017] Figure 3 It is a three-dimensional cutaway view of the distance adjustment fixing device of the utility model;

[0018] Figure 4 It is a three-dimensional cutaway view of the buffer connection device of the utility model.

[0019] In the figure: 1. bottom plate; 2. universal wheel; 3. distance adjustment fixing device; 31. support frame; 32. screw rod; 33. fixing assembly; 331. electric telescopic rod; 332. lifting plate; 333. rubber friction plate; 34. knob; 35. moving block; 36. fixing block; 4. buffer connection device; 41. connecting plate; 42. elastic rubber tube; 43. damper; 44. connecting tube; 45. screw; 5. first placement table assembly; 6. first electric lifting assembly; 7. second placement table assembly; 8. second electric lifting assembly. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: an electric lifting device, comprising a base plate 1, a first electric lifting assembly 6 is arranged above the base plate 1, a first placement table assembly 5 is arranged above the first electric lifting assembly 6, second electric lifting assemblies 8 are arranged on both sides of the first electric lifting assembly 6, a second placement table assembly 7 is arranged above the second electric lifting assembly 8, a plurality of universal wheels 2 are installed below the base plate 1, the first electric lifting assembly 6 and the two second electric lifting assemblies 8 are connected to the base plate 1 through a distance adjustment fixing device 3, and a buffer connection device 4 is installed between the first placement table assembly 5 and the first electric lifting assembly 6 and between the second electric lifting assembly 8 and the second placement table assembly 7.

[0023] Specifically, the distance adjustment fixing device 3 includes a support frame 31, a screw rod 32, a fixing assembly 33, a knob 34, a moving block 35 and a fixing block 36. The support frame 31 is installed on one side of the base plate 1 close to the first electric lifting assembly 6 and the two second electric lifting assemblies 8. The first electric lifting assembly 6 and the support frame 31 are connected through the fixing block 36. The screw rod 32 is installed on both sides of the fixing block 36 through bearings. The knob 34 is installed on the side of the screw rod 32 away from the fixing block 36. The moving block 35 is installed below the second electric lifting assembly 8 and at a position outside the screw rod 32 and inside the support frame 31. The fixing assembly 33 is installed below the support frame 31 and at positions on both sides of the base plate 1.

[0024] By adopting the above technical solution, the staff can adjust the distance between the first placement table assembly 5 and the two second placement table assemblies 7 through the cooperation of structures such as the screw rod 32 and the moving block 35 when necessary, so as to better meet the work needs in different situations.

[0025] Specifically, the height and inner width of the inner bottom surface of the support frame 31 are equal to the height and outer width of the outer bottom surface of the moving block 35 .

[0026] By adopting the above technical solution, the device can ensure that the inner side of the support frame 31 and the outer side of the moving block 35 are in close contact with each other, thereby preventing the moving block 35 from rotating and deviating during movement, and ensuring normal operation.

[0027] Specifically, the fixing assembly 33 includes an electric telescopic rod 331, a lifting plate 332 and a rubber friction plate 333. The electric telescopic rod 331 is installed below the support frame 31 and at positions on both sides of the base plate 1, the lifting plate 332 is installed below the electric telescopic rod 331, and the rubber friction plate 333 is installed below the lifting plate 332.

[0028] By adopting the above technical solution, the device can prevent itself from moving when needed through the cooperation of the electric telescopic rod 331 and the rubber friction plate 333, thereby reducing the possibility of accidental movement of the device due to external reasons.

[0029] When the present embodiment is used, when the device is needed to lift an object, the staff pushes the device and moves the device to the working position through the universal wheels 2 under the bottom plate 1, and then starts the electric telescopic rods 331 in the two fixing assemblies 33 in the distance adjustment fixing device 3, thereby driving the two lifting plates 332 to descend until the two rubber friction plates 333 are close to the ground, thereby enhancing the friction between the device and the ground, and then respectively rotates the two knobs 34, thereby driving the two screw rods 32 to rotate, the screw rods 32 and the fixing blocks 36 are connected by bearings, the screw rods 32 and the moving blocks 35 are threadedly connected, and the outer side of the moving blocks 35 is close to the inner side of the support frame 31, so the two screw rods 32 drive the two moving blocks 35 and the upper structure thereof to move, thereby adjusting the distance between the first placing table assembly 5 and the two second placing table assemblies 7, and then respectively place the objects on the first placing table assembly 5 and the two second placing table assemblies 7, and operate the first electric lifting assembly 6 and the two second electric lifting assemblies 8 to perform electric lifting.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 lies in that the buffer connection device 4 includes a connection plate 41, an elastic rubber tube 42, a damper 43 and a connection tube 44; the connection plate 41 is installed on the side of the first electric lifting component 6 close to the first placement table component 5 and the side of the second electric lifting component 8 close to the second placement table component 7; the connection tube 44 is installed below the first placement table component 5 and the second placement table component 7 and at a position outside the connection plate 41; the elastic rubber tube 42 is installed between the inner top surface of the connection tube 44 and the outer top surface of the connection plate 41; the damper 43 is installed between the inner top surface of the connection tube 44 and the outer top surface of the connection plate 41 and at a position inside the elastic rubber tube 42.

[0032] By adopting the above technical solution, the device can achieve certain shock absorption and buffering of vibration through the cooperation of structures such as the elastic rubber tube 42 and the damper 43, thereby reducing the possibility of adverse effects on work and ensuring normal work.

[0033] Specifically, the buffer connection device 4 further includes screws 45 , and two screws 45 are threadedly mounted on the bottom of the connection tube 44 .

[0034] By adopting the above technical solution, the staff can fix the relative position between the connecting plate 41 and the connecting tube 44 by two screws 45 when necessary, thereby preventing the shock absorbing and buffering work from being performed.

[0035] When this embodiment is in use, the staff can unscrew the screws 45 in each buffer connection device 4 when necessary, so that each connection plate 41 and each connection tube 44 lose relative fixation, and each elastic rubber tube 42 can cooperate with each damper 43 to dampen vibration, thereby reducing the possibility of work being adversely affected and ensuring the normal progress of work.

[0036] The structures and principles of the universal wheel 2, the first placement table assembly 5 consisting of a placement table, a groove and an elastic buffer pad, the first electric lifting assembly 6 consisting of an adjusting motor, an adjusting button and a lifting rod, the second placement table assembly 7 consisting of a placement table, a groove and an elastic buffer pad, and the second electric lifting assembly 8 consisting of an adjusting motor, an adjusting button and a lifting rod in the utility model have been disclosed in the laboratory electric lifting platform disclosed in Chinese patent application No. 201520593414.X. Its working principle is to set multiple placement tables on a lifting table, which is convenient for classification management and storage, easy to use, and can be adjusted by electric adjustment, which saves time and effort, is fast and convenient, improves the efficiency of the experiment, saves time, is highly practical, and is easy to promote.

[0037] The structure and principle of the damper 43 in the utility model have been disclosed in a smart home washing machine shock absorbing device disclosed in Chinese Patent Application No. 201721446985.6. Its working principle consists of a piston and an oil tank, which is filled with oil. When the object moves, the piston moves in the oil, thereby consuming energy and slowing down the movement of the object.

[0038] The working principle and use process of the utility model are as follows: when the device needs to be used to lift an object, the staff pushes the device and moves the device to the working position through the universal wheels 2 under the bottom plate 1, and then starts the electric telescopic rods 331 in the two fixing components 33 in the distance adjustment fixing device 3, thereby driving the two lifting plates 332 to descend until the two rubber friction plates 333 are close to the ground, thereby enhancing the friction between the device and the ground, and then respectively rotates the two knobs 34 to drive the two screw rods 32 to rotate, the screw rod 32 is connected to the fixed block 36 by a bearing, the screw rod 32 is connected to the moving block 35 by a thread, and the outer side of the moving block 35 is close to the inner side of the support frame 31, so the two The screw rod 32 drives the two moving blocks 35 and the structure thereon to move, thereby adjusting the distance between the first placing table top assembly 5 and the two second placing table top assemblies 7, and then the objects are placed on the first placing table top assembly 5 and the two second placing table top assemblies 7 respectively, and the first electric lifting assembly 6 and the two second electric lifting assemblies 8 are operated to perform electric lifting work; when necessary, the staff can unscrew the screws 45 in each buffer connection device 4, so that each connecting plate 41 and each connecting tube 44 lose relative fixation, and each elastic rubber tube 42 can cooperate with each damper 43 to dampen and buffer the vibration, thereby reducing the possibility of adverse effects on the work and ensuring the normal progress of the work.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric lifting device, comprising a bottom plate, characterized in that: A first electric lifting assembly is arranged above the base plate, a first placement table assembly is arranged above the first electric lifting assembly, second electric lifting assemblies are arranged on both sides of the first electric lifting assembly, a second placement table assembly is arranged above the second electric lifting assembly, a plurality of universal wheels are installed below the base plate, the first electric lifting assembly and the two second electric lifting assemblies are connected to the base plate via a distance adjustment fixing device, and a buffer connection device is installed between the first placement table assembly and the first electric lifting assembly and between the second electric lifting assembly and the second placement table assembly.

2. The electric lifting device according to claim 1, characterized in that: The distance adjustment and fixing device includes a support frame, a screw rod, a fixing assembly, a knob, a moving block and a fixed block. The support frame is installed on one side of the base plate close to the first electric lifting assembly and the two second electric lifting assemblies. The first electric lifting assembly is connected to the support frame through a fixing block. Screw rods are installed on both sides of the fixing block through bearings. A knob is installed on the side of the screw rod away from the fixing block. A moving block is installed below the second electric lifting assembly and at a position outside the screw rod and inside the support frame. Fixed assemblies are installed below the support frame and at positions on both sides of the base plate.

3. An electric lifting device according to claim 2, characterized in that: The height and inner width of the inner bottom surface of the support frame are equal to the height and outer width of the outer bottom surface of the moving block.

4. The electric lifting device according to claim 2, characterized in that: The fixing assembly comprises an electric telescopic rod, a lifting plate and a rubber friction plate. The electric telescopic rod is installed below the support frame and at positions on both sides of the bottom plate. The lifting plate is installed below the electric telescopic rod, and the rubber friction plate is installed below the lifting plate.

5. The electric lifting device according to claim 1, characterized in that: The buffer connection device includes a connecting plate, an elastic rubber tube, a damper and a connecting tube. The connecting plates are installed on the side of the first electric lifting component close to the first placement table component and the side of the second electric lifting component close to the second placement table component. The connecting tube is installed below the first placement table component and the second placement table component and at a position outside the connecting plate. The elastic rubber tube is installed between the inner top surface of the connecting tube and the outer top surface of the connecting plate. The damper is installed between the inner top surface of the connecting tube and the outer top surface of the connecting plate and at a position inside the elastic rubber tube.

6. The electric lifting device according to claim 5, characterized in that: The buffer connection device also includes screws, and two screws are installed on the bottom of the connecting tube through threads.

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