阅读说明：本技术 一种带有缓冲装置的丝杠升降机 (Screw rod elevator with buffer device ) 是由 刘君 刘剑 邹建芳 于 2019-12-11 设计创作，主要内容包括：本发明公开了一种带有缓冲装置的丝杠升降机,包括：固定底座、丝杠和升降平台,所述升降平台平行设置在固定底座上方,所述丝杠的顶部与升降平台的底部相垂直,所述丝杠的底部与固定底座垂直并延伸至固定底座下方,所述固定底座上设置有与丝杠对应的丝杠驱动装置,其特征在于,所述固定底座的上表面与升降平台的下表面均为形状相同的矩形结构,所述固定底座的4个角处设置有缓冲装置,所述缓冲装置包括：导向套、导向杆、缓冲板、连接杆、滑轮、弹簧、伸缩杆以及底板。通过上述方式,本发明提供的带有缓冲装置的丝杠升降机,通过设置缓冲装置,升降平台平台下落时的冲击,起到缓冲作用。(The invention discloses a screw rod lifter with a buffer device, which comprises: unable adjustment base, lead screw and lift platform, lift platform parallel arrangement is in the unable adjustment base top, the top of lead screw is perpendicular with lift platform's bottom, the bottom of lead screw is perpendicular with unable adjustment base and extends to the unable adjustment base below, the last lead screw drive arrangement who corresponds with the lead screw that is provided with of unable adjustment base, a serial communication port, unable adjustment base's upper surface and lift platform's lower surface are the same rectangle structure of shape, 4 angle departments of unable adjustment base are provided with buffer, buffer includes: the guide sleeve, guide bar, buffer board, connecting rod, pulley, spring, telescopic link and bottom plate. Through the mode, the screw rod lifter with the buffer device provided by the invention has the buffer effect through the arrangement of the buffer device, and the impact when the lifting platform falls down is realized.)

1. A screw lift with a buffer device, comprising: unable adjustment base, lead screw and lift platform, lift platform parallel arrangement is in the unable adjustment base top, the top of lead screw is perpendicular with lift platform's bottom, the bottom of lead screw is perpendicular with unable adjustment base and extends to the unable adjustment base below, the last lead screw drive arrangement who corresponds with the lead screw that is provided with of unable adjustment base, a serial communication port, unable adjustment base's upper surface and lift platform's lower surface are the same rectangle structure of shape, 4 angle departments of unable adjustment base are provided with buffer, buffer includes: uide bushing, guide bar, buffer board, connecting rod, pulley, spring, telescopic link and bottom plate, the uide bushing is fixed to be set up on the bottom plate, the uide bushing is the cavity structure, inside the one end of guide bar stretched into the uide bushing, the uide bushing is stretched out to the other end of guide bar, be connected through the telescopic link between guide bar and the bottom plate, telescopic link outside parcel has the spring, the connecting rod sets up the bottom at the guide bar perpendicularly, connecting rod one end is connected with the pulley, set up on the uide bushing inner wall and supply the gliding spout of pulley, the fixed top that sets up at the guide bar of buffer board.

2. The screw lift with a buffer device as claimed in claim 1, wherein a stabilizer bar is disposed between two radial buffer devices, and 2 ends of the stabilizer bar are fixedly connected to the guide bars at the left and right ends of the fixed base, respectively.

3. A screw lifter of a buffer device according to claim 1 or 2, wherein the guide sleeve is provided with a rectangular notch for moving the stabilizer bar up and down.

4. The screw lift of a buffer device according to claim 1, wherein one end of said spring is fixedly connected to the bottom of the guide rod and the other end of said spring is fixedly connected to the bottom plate.

5. The screw lifter of a buffer device according to claim 1, wherein the upper surface of the buffer plate is provided with a rubber pad.

6. The screw rod elevator of the buffer device as claimed in claim 1, wherein the bottom of the elevating platform is provided with a plurality of guiding posts extending to the lower part of the fixed base, and the fixed base is provided with a plurality of guiding sleeves corresponding to the guiding posts.

7. A screw elevator of a buffer device according to claim 6, characterized in that the guide sleeves are respectively provided with bolts for fastening the guide posts.

8. A screw elevator of a buffer device according to claim 1, characterized in that a bearing is provided between the top of the screw and the bottom of the elevating platform.

9. A screw lift of a buffer device according to any of claims 1 to 8, characterised in that the lifting platform is provided with guardrails.

Technical Field

The invention relates to the field of elevators, in particular to a lead screw elevator with a buffer device.

Background

The elevator is widely applied in production and life, and in order to meet the requirements of different occasions, the types of the elevator are various. The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion, so that the ball screw can be used as a power system of the elevator to provide up-and-down lifting motion.

The existing screw rod lifter has large impact force when descending, and if the impact force is large, the looseness or damage of other parts on the lifting platform can be influenced, so that certain potential safety hazards exist.

Disclosure of Invention

The invention mainly solves the technical problem of providing a screw rod lifter with a buffer device so as to solve the problems in the background technology.

In order to solve the technical problems, the invention adopts a technical scheme that: provided is a screw elevator with a buffer device, including: unable adjustment base, lead screw and lift platform, lift platform parallel arrangement is in the unable adjustment base top, the top of lead screw is perpendicular with lift platform's bottom, the bottom of lead screw is perpendicular with unable adjustment base and extends to the unable adjustment base below, the last lead screw drive arrangement who corresponds with the lead screw that is provided with of unable adjustment base, unable adjustment base's upper surface and lift platform's lower surface are the same rectangle structure of shape, 4 angle departments of unable adjustment base are provided with buffer, buffer includes: uide bushing, guide bar, buffer board, connecting rod, pulley, spring, telescopic link and bottom plate, the uide bushing is fixed to be set up on the bottom plate, the uide bushing is the cavity structure, inside the one end of guide bar stretched into the uide bushing, the uide bushing is stretched out to the other end of guide bar, be connected through the telescopic link between guide bar and the bottom plate, telescopic link outside parcel has the spring, the connecting rod sets up the bottom at the guide bar perpendicularly, connecting rod one end is connected with the pulley, set up on the uide bushing inner wall and supply the gliding spout of pulley, the fixed top that sets up at the guide bar of buffer board.

In a preferred embodiment of the invention, a stabilizer bar is arranged between two radial buffer devices, and 2 ends of the stabilizer bar are fixedly connected with guide rods at the left end and the right end of the fixed base respectively.

In a preferred embodiment of the present invention, the guide sleeve is provided with a rectangular notch for the stabilizer bar to move up and down.

In a preferred embodiment of the invention, one end of the spring is fixedly connected with the bottom of the guide rod, and the other end of the spring is fixedly connected with the bottom plate.

In a preferred embodiment of the present invention, a rubber pad is disposed on the upper surface of the buffer plate.

In a preferred embodiment of the present invention, the bottom of the lifting platform is provided with a plurality of guiding posts extending to the lower part of the fixed base, and the fixed base is provided with a plurality of guiding sleeves corresponding to the guiding posts.

In a preferred embodiment of the present invention, the guide sleeves are respectively provided with bolts for fastening the guide posts.

In a preferred embodiment of the invention, a bearing is arranged between the top of the lead screw and the bottom of the lifting platform to be connected.

In a preferred embodiment of the present invention, the lifting platform is provided with a guardrail.

The invention has the beneficial effects that: according to the screw rod lifter with the buffer device, the buffer device is arranged, so that impact when the lifting platform falls down can be buffered.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic structural view of a preferred embodiment of a lead screw elevator with a buffer device according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention includes:

a screw lift with a buffer device, comprising: unable adjustment base 1, lead screw 2 and lift platform 3, lift platform 3 parallel arrangement is in unable adjustment base 1 top, the top of lead screw 2 is perpendicular with lift platform 3's bottom, be provided with bearing 4 between the top of lead screw 2 and the lift platform 3 bottom and be connected, the bottom of lead screw 2 is perpendicular with unable adjustment base 1 and extends to unable adjustment base 1 below, be provided with the lead screw drive arrangement 5 that corresponds with lead screw 2 on the unable adjustment base 1, be provided with guardrail 6 on the lift platform 3, can guarantee personnel's safety.

3 bottoms of lift platform are provided with a plurality of guide posts 7 that extend to unable adjustment base 1 below, unable adjustment base 1 is last to be provided with a plurality of guide sleeves 8 corresponding with guide post 7, and through guide post 7 and guide sleeve 8's cooperation, stability when can promoting lift platform 3 and rise or descend avoids the slope. Unable adjustment base 1 can place subaerial, subaerial the offering supply lead screw 2 and guide post 7 for unable adjustment base 1 downwardly extending's recess.

And bolts 9 for fastening the guide columns 7 are respectively arranged on the guide sleeves 8, so that the pressure of the lead screw 2 is reduced, and the stability and the safety performance of the elevator are further improved.

The upper surface of unable adjustment base 1 and lift platform 3's lower surface are the same rectangle structure of shape, 4 angles departments of unable adjustment base 1 are provided with buffer 10, buffer 10 includes: uide bushing 101, guide bar 102, buffer board 103, connecting rod 104, pulley 105, spring 106, telescopic link 107 and bottom plate 108, uide bushing 101 is fixed to be set up on bottom plate 108, uide bushing 101 is the cavity structure, inside the one end of guide bar 102 stretched into uide bushing 101, uide bushing 101 was stretched out to the other end of guide bar 102.

The guide rod 102 is connected with the bottom plate 108 through an expansion rod 107, the spring 106 is wrapped on the outer side of the expansion rod 107, one end of the spring 106 is fixedly connected with the bottom of the guide rod 102, the other end of the spring 106 is fixedly connected with the bottom plate 108, the spring 106 is wrapped on the outer side of the expansion rod 107 and moves up and down along with the expansion rod 107, and therefore the spring 106 is not prone to tilting in the compression process.

Connecting rod 104 sets up the bottom at guide bar 102 perpendicularly, connecting rod 104 one end is connected with pulley 105, set up on the uide bushing 101 inner wall and supply the gliding spout 109 of pulley 105, radial two be provided with stabilizer bar 11 between buffer 10, 2 ends of stabilizer bar 11 respectively with unable adjustment base 1 about the guide bar 102 fixed connection at both ends, set up the rectangle notch 12 that supplies stabilizer bar 11 to reciprocate on the uide bushing 101, utilize the effect that pulley 105 and spout 12 are connected, once fix, utilize 2 ends of stabilizer bar 11 respectively with unable adjustment base 1 about the guide bar 102 fixed connection at both ends, carry out the secondary and fix to guarantee synchronous operation between two radial buffer 10, improve stability and buffering effect.

The buffer plate 103 is fixedly arranged at the top of the guide rod 102, and the rubber pad 110 is arranged on the upper surface of the buffer plate 103, so that the buffer effect is further improved.

The standard parts used in the present solution are all available on the market, all the parts in this document,

the machine can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and hinges in the prior art, and the machines, the parts and the lead screw driving devices adopt conventional models in the prior art.

In summary, the screw rod lifter with the buffer device provided by the invention reduces the impact when the lifting platform falls down by arranging the buffer device, thereby playing a role in buffering.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.