CN-224212377-U - Lifting platform guardrail

CN224212377UCN 224212377 UCN224212377 UCN 224212377UCN-224212377-U

Abstract

The utility model relates to the technical field of elevators, in particular to a lifting platform guardrail, which comprises a main body connected with a lifting platform, wherein one end of the main body is of an opening structure, supporting columns connected with the main body and the lifting platform are arranged on two sides of the opening, an entrance is arranged between the two supporting columns, a protective door is slidably matched with the inner side of the supporting columns, the length of the protective door is longer than the distance between the two supporting columns, a yielding opening is arranged between the supporting columns and the main body, the tail end of the protective door extends out of the yielding opening after opening, the front end of the protective door is connected with a handle, a locking plate is arranged on the handle, locking pieces matched with the locking plates are arranged on the two supporting columns, the protective door is prevented from beating a worker when rotating in a sliding opening and closing mode, meanwhile, the protective door is fixed through the locking pieces after opening and closing, the stability and safety of the protective door in an opening and closing state are ensured, and the safety of use and protection is improved.

Inventors

ZHANG HENGZHI
LI YANLING
LI CHUNLING
WANG CHENGMIN
LIU ZHANBO
Wang Siwu
LIU TAO

Assignees

济南天峰液压机械有限公司

Dates

Publication Date: 20260508
Application Date: 20250521

Claims (8)

1. The guardrail for the lifting platform comprises a main body connected with the lifting platform and is characterized in that one end of the main body is of an opening structure, supporting bars connected with the main body and the lifting platform are arranged on two sides of the opening, an entrance is formed between the two supporting bars, a protective door is slidably matched with the inner side of the supporting bars, the length of the protective door is larger than the distance between the two supporting bars, a yielding opening is formed between the supporting bars and the main body, the tail end of the protective door stretches out from the yielding opening after being opened, the front end of the protective door is connected with a handle, a locking plate is arranged on the handle, and locking pieces matched with the locking plate are arranged on the two supporting bars.
2. The lifting platform guardrail according to claim 1, wherein the supporting plate is arranged on the side wall of the supporting rail, the locking piece comprises a supporting rod, the supporting rod is located above the supporting plate, the lower end of the supporting rod is connected with a guide rod penetrating through the supporting plate, the lower end of the guide rod is provided with a limiting block, a first spring is connected between the guide rod and the supporting plate, one end of the supporting rod is connected with a locking block, the other end of the supporting rod is connected with a push rod, the upper end of the push rod is connected with a pressing rod, and the lower end of the locking plate is provided with a locking groove matched with the locking block.
3. The lifting platform guardrail of claim 2, wherein the locking plate and the pressing rod are both positioned above the supporting fence.
4. The lifting platform guardrail of claim 2, wherein the upper end of the locking piece is an inclined surface.
5. The lifting platform guardrail according to claim 1, wherein the inner side of the supporting fence is connected with a clamping rod, the protective door is positioned between the supporting fence and the clamping rod, guide wheels are arranged on the side wall of the supporting fence, guide grooves matched with the guide wheels are formed in the upper end and the lower end of the protective door, and the supporting wheels are arranged at the bottom of the front end of the protective door.
6. A lifting platform guardrail as claimed in claim 1, wherein the side wall of the main body is provided with a buffer member matched with the front end of the protective door.
7. The lifting platform guardrail of claim 6, wherein the buffer member comprises a supporting cylinder connected with the main body, a telescopic rod is connected in the supporting cylinder, a buffer block is arranged at the end part of the telescopic rod, and a second spring is connected between the buffer block and the main body.
8. The lifting platform guardrail of claim 7, wherein the buffer block is made of rubber.

Description

Lifting platform guardrail Technical Field The utility model relates to the technical field of elevators, in particular to a lifting platform guardrail. Background The lifting platform guardrail of the lifter is not only a physical protection barrier, but also double guarantee of legal compliance and operation safety. The design of the device needs to be flexibly adjusted by combining with the operation scene, and strictly follows the technical standards of shock resistance, interlocking control and the like. In order to ensure that personnel can smoothly enter the lifting platform, a safety door is generally arranged on a guardrail, most of the existing safety doors are sliding doors, and the lifting device with the safety protection function is disclosed in a patent CN117658032A, and the safety door is rotatably connected to the protective rail and is convenient to open and close. However, in the use process of the sliding door, particularly in the process of entering and exiting of the person after the sliding door is opened, the protective door is easy to rotate, so that the person collides with the protective door, and a certain danger is brought to the person when the person climbs the elevator. Disclosure of utility model The utility model aims at the defects of the prior art, provides the lifting platform guardrail, the protective door adopts a sliding opening and closing mode, the risk of beating a worker when the rotary protective door rotates is prevented, meanwhile, the occupied internal space is avoided, the protective door is fixed through the locking piece after being opened and closed, the stability and the safety of the protective door in the opened and closed state are ensured, and the use and protection safety is improved. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a lift platform guardrail, includes the main part of being connected with lift platform, the one end of main part is open structure, and open-ended both sides are equipped with the support bar of being connected with main part and lift platform, are the access & exit between two support bars, the inboard sliding fit of support bar has the guard gate, the length of guard gate is greater than the distance between two support bars, is equipped with the mouth of stepping down between support bar and the main part, and the guard gate is opened the rear end and is followed the mouth of stepping down and stretch out, and the front end of guard gate is connected with the handle, be equipped with the jam plate on the handle, all be equipped with on two support bars with jam plate complex latch fitting. Preferably, the side wall of the support column is provided with a support plate, the lock piece comprises a support rod, the support rod is located above the support plate, the lower end of the support rod is connected with a guide rod penetrating through the support plate, the lower end of the guide rod is provided with a limiting block, a first spring is connected between the guide rod and the support plate, one end of the support rod is connected with a locking block, the other end of the support rod is connected with a push rod, the upper end of the push rod is connected with a compression rod, and the lower end of the locking plate is provided with a locking groove matched with the locking block. Preferably, the locking plate and the compression bar are both positioned above the support bars. Preferably, the upper end of the locking piece is an inclined surface. Preferably, the inboard of support bar is connected with the clamp lever, the guard gate is located between support bar and the clamp lever, is equipped with the leading wheel on the lateral wall of support bar, upper and lower both ends of guard gate all are equipped with leading wheel complex guide way, and the front end bottom of guard gate is equipped with the supporting wheel. Preferably, a buffer piece matched with the front end of the protective door is arranged on the side wall of the main body. Preferably, the buffer piece comprises a supporting cylinder connected with the main body, a telescopic rod is connected in the supporting cylinder, a buffer block is arranged at the end part of the telescopic rod, and a second spring is connected between the buffer block and the main body. Preferably, the buffer block is made of rubber. Compared with the prior art, the utility model has the beneficial effects that: 1. The protective door adopts a sliding opening and closing mode, so that the risk of beating a worker when the rotary protective door rotates is prevented, the occupied internal space is avoided, the protective door is fixed through the locking piece after being opened and closed, the stability and the safety of the protective door in the opening and closing state are ensured, and the use and protection safety is improved. 2. According to the utility model, the lock plate