CN218879304U - Spiral bevel gear elevator - Google Patents

Abstract

The utility model discloses a spiral bevel gear lifter, which comprises a support platform, a mounting shell is arranged on the support platform, a ball screw is rotatably connected to the mounting shell, and a nut is threadedly connected to the ball screw. A limit telescopic rod is arranged between the nut and the installation shell, and a transmission assembly for driving the ball screw to rotate is arranged inside the installation shell, and the transmission assembly includes a second bevel gear rotatably connected inside the installation shell. A first bevel gear is rotatably connected to one side of the installation shell, and the second bevel gear meshes with the first bevel gear. A servo motor for driving the first bevel gear to rotate is also arranged on the support platform. When the rotating shaft of the servo motor rotates, it drives the first bevel gear to rotate, and then drives the second bevel gear to rotate, thereby driving the ball screw to rotate. Therefore, the nut drives the load to slide up and down, improving the stability of the load when sliding, and can improve The practicality of the lift.

Description

A spiral bevel gear elevator

technical field

The utility model relates to the technical field of elevators, in particular to a spiral bevel gear elevator.

Background technique

The bevel gear lift is a basic lifting component that can be widely used in various industries such as machinery, metallurgy, construction, water conservancy, chemical industry, medical treatment, and cultural hygiene. The bevel gear screw jack has high efficiency, long service life, and easy adjustment of the reduction ratio. The screw jack can be directly driven by a motor or other power.

For example, the application number: 202021272961.5, the Chinese patent titled "A Lift Mechanism", discloses a lift structure. For the existing lift structure, in order to be simple and practical to operate, the protection measures are often not comprehensive enough. Once the motor fails, it is easy to The problem of causing heavy objects to fall and cause accidents is now proposed as follows, which includes a car board, and the top of the car board is fixedly connected with two uprights, and the top of the two uprights is fixedly connected with two beams of the same beam. There is a chute on the adjacent side of the two columns, a rack is fixedly connected in the chute, a lifting box is slidably connected to the two columns, and the same platform is fixedly connected between the two lifting boxes plate.

In the above patent, the first bevel gear and the first roller are rotated by the second bevel gear on the second roller, and then the height of the bearing plate can be adjusted through the meshing of the gear and the rack, and the ratchet set in the lifting box can avoid When the weight is lifted, the gear reverses and the lift table falls down. It is known that the lifting of the rack is due to the rotation of the gear to drive the sliding of the rack to complete the lifting of the load, and the stability of the rack lift gradually decreases as the height increases, and there are certain limitations.

Utility model content

The purpose of this utility model is to provide a spiral bevel gear elevator to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a spiral bevel gear elevator, including a support platform, a mounting shell is arranged on the support platform, a ball screw is rotatably connected to the mounting shell, and the ball screw There is a nut threaded on the rod, and a limit telescopic rod is arranged between the nut and the installation shell. A transmission assembly for driving the ball screw to rotate is arranged inside the installation shell. The second bevel gear is connected to the first bevel gear in rotation on one side of the installation shell, and the second bevel gear meshes with the first bevel gear. servo motor.

Further, the first bevel gear is rotatably connected to the mounting shell through a rotating rod, and the servo motor is coaxially connected with the rotating rod.

Further, a sleeve is provided between the servo motor and the installation shell, and a sealed bearing is provided between the sleeve and the rotating rod.

Further, the nut is provided with a connecting flange.

Further, a rotating strut is rotatably connected to the support platform, and the second bevel gear is rotatably connected inside the support platform through the rotating strut.

Further, a connecting shaft is fixedly connected to the second bevel gear, and the ball screw is fixedly connected to the connecting shaft.

Compared with the prior art, the beneficial effect of the utility model is: the spiral bevel gear elevator, through the support table, the installation shell, the ball screw, the nut, the transmission assembly, the first bevel gear, the second bevel gear and the servo motor When the servo motor shaft rotates, it drives the first bevel gear to rotate, and then drives the second bevel gear to rotate, thereby driving the ball screw to rotate. Therefore, the nut drives the load to slide up and down, improving the stability of the load when sliding performance, thereby improving the practicability of the lift.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. For some embodiments described, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is the overall structure schematic diagram that the utility model embodiment provides;

Fig. 2 is a schematic diagram of the overall top view structure provided by the embodiment of the utility model;

Fig. 3 is a schematic diagram of the cross-sectional structure along A-A in Fig. 2;

Fig. 4 is a schematic diagram of the internal structure of the installation shell provided by the embodiment of the utility model;

Fig. 5 is a schematic structural diagram of the transmission assembly provided by the embodiment of the present invention;

Fig. 6 is a schematic diagram of the structure of the ball screw provided by the embodiment of the present invention.

Explanation of reference signs: 1. Support platform; 2. Installation shell; 3. Servo motor; 4. First bevel gear; 5. Second bevel gear; 6. Rotating rod; 7. Sleeve; 8. Connecting shaft; 9 , ball screw; 10, connecting flange; 11, limit expansion rod; 12, sealed bearing; 13, nut; 14, rotating rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-6, the utility model provides a technical solution: a spiral bevel gear elevator, including a support platform 1, a mounting shell 2 is arranged on the support platform 1, and a ball screw 9 is rotatably connected to the mounting shell 2. A nut 13 is threaded on the ball screw 9, and a limit expansion rod 11 is arranged between the nut 13 and the installation shell 2. A transmission assembly for driving the ball screw 9 to rotate is arranged inside the installation shell 2. The transmission assembly includes a rotation connection The second bevel gear 5 inside the installation case 2 is connected with the first bevel gear 4 in rotation on one side of the installation case 2, and the second bevel gear 5 meshes with the first bevel gear 4, and the support table 1 is also provided with a device for driving the first bevel gear. The servomotor 3 that the bevel gear 4 rotates.

Specifically, the spiral bevel gear elevator includes a support platform 1, and a mounting shell 2 is arranged on the support platform 1, and a ball screw 9 is rotatably connected to the mounting shell 2. Compared with the common trapezoidal screw lift, the ball screw 9 can be operated at a higher speed or a larger working cycle. There is a nut 13 threaded on the ball screw 9, and a limit expansion rod 11 is arranged between the nut 13 and the installation shell 2. When the ball screw 9 rotates , so as to drive the nut 13 to slide up and down; wherein the inside of the installation shell 2 is provided with a transmission assembly for driving the ball screw 9 to rotate, and the transmission assembly is arranged inside the installation shell 2, which has the effect of reducing noise. The second bevel gear 5 connected to the inside of the installation shell 2, the first bevel gear 4 is rotatably connected to one side of the installation shell 2, the second bevel gear 5 meshes with the first bevel gear 4, and the support table 1 is also provided with a gear for driving The servo motor 3 that the first bevel gear 4 rotates, when in use, when the rotation shaft of the servo motor 3 rotates, thereby drives the first bevel gear 4 to rotate, and then drives the second bevel gear 5 to rotate, thereby driving the ball screw 9 to rotate, so by The nut 13 drives the load to slide up and down, improving the stability of the load when sliding, thereby improving the practicability of the lift.

In this embodiment, the first bevel gear 4 is rotatably connected to the mounting shell 2 through the rotating rod 6 , and the servo motor 3 is coaxially connected to the rotating rod 6 .

Preferably, the first bevel gear 4 is rotatably connected to the installation shell 2 through the rotating rod 6, and the servo motor 3 is coaxially connected with the rotating rod 6, thereby driving the first bevel gear 4 to rotate, so that the whole elevator runs more smoothly, and the effect is good.

In another embodiment provided by the utility model, a sleeve 7 is provided between the servo motor 3 and the installation shell 2 , and a sealed bearing 12 is provided between the sleeve 7 and the rotating rod 6 .

Preferably, a sleeve 7 is arranged between the servo motor 3 and the mounting shell 2, and a sealed bearing 12 is arranged between the sleeve 7 and the rotating rod 6, which can further facilitate the rotation of the rotating rod 6 and improve the stability of the rotating rod 6 when rotating sex and smoothness.

In another embodiment provided by the utility model, the nut 13 is provided with a connecting flange 10 .

Preferably, the nut 13 is provided with a connecting flange 10, by providing the connecting flange 10, it is easy to install the load that needs to be raised and lowered, and it is convenient to install and disassemble the load, and the use effect is good.

In another embodiment provided by the present utility model, the supporting platform 1 is rotatably connected with a rotating strut 14 , and the second bevel gear 5 is rotatably connected inside the supporting platform 1 through the rotating strut 14 .

Preferably, the supporting platform 1 is rotatably connected with a rotating strut 14, and the second bevel gear 5 is rotatably connected inside the supporting platform 1 through the rotating strut 14, thereby facilitating the installation of the second bevel gear 5 and having better stability.

In another embodiment provided by the present invention, a connecting shaft 8 is fixedly connected to the second bevel gear 5 , and the ball screw 9 is fixedly connected to the connecting shaft 8 .

Preferably, a connecting shaft 8 is fixedly connected to the second bevel gear 5, and the ball screw 9 is fixedly connected to the connecting shaft 8, so that the installation of the ball screw 9 is facilitated and the use effect is good.

It should be noted that the electrical equipment involved in this application can be powered by a battery or connected to an external power supply.

In the description of the present utility model, unless otherwise clearly stipulated and limited, the terms "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the instructions and the records of the drawings. The specific connection methods of each part adopt mature bolts, rivets, welding Conventional means, machinery, parts and equipment all adopt conventional models in the prior art, and circuit connections adopt conventional connection methods in the prior art, which will not be described in detail here.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a spiral bevel gear lift, includes brace table (1), its characterized in that:

the supporting table (1) is provided with an installation shell (2), the installation shell (2) is rotatably connected with a ball screw (9), the ball screw (9) is in threaded connection with a nut (13), and a limiting telescopic rod (11) is arranged between the nut (13) and the installation shell (2);

a transmission assembly for driving the ball screw (9) to rotate is arranged in the mounting shell (2);

the transmission assembly comprises a second bevel gear (5) which is rotatably connected inside the mounting shell (2), a first bevel gear (4) is rotatably connected on one side of the mounting shell (2), and the second bevel gear (5) is meshed with the first bevel gear (4);

the supporting table (1) is further provided with a servo motor (3) for driving the first bevel gear (4) to rotate.

2. A spiral bevel gear elevator according to claim 1, wherein: first bevel gear (4) rotate through dwang (6) and connect on installation shell (2), servo motor (3) and dwang (6) coaxial coupling.

3. A spiral bevel gear elevator according to claim 2, wherein: be provided with sleeve (7) between servo motor (3) and installation shell (2), be provided with sealed bearing (12) between sleeve (7) and dwang (6).

4. A spiral bevel gear elevator according to claim 1, wherein: and the nut (13) is provided with a connecting flange (10).

5. A spiral bevel gear elevator according to claim 1, wherein: the rotary supporting platform is characterized in that a rotary supporting rod (14) is connected to the supporting platform (1) in a rotating mode, and the second bevel gear (5) is connected to the inside of the supporting platform (1) in a rotating mode through the rotary supporting rod (14).

6. A spiral bevel gear elevator according to claim 1, wherein: and a connecting shaft (8) is fixedly connected to the second bevel gear (5), and the ball screw (9) is fixedly connected to the connecting shaft (8).

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