CN214087591U

CN214087591U - Overload protection device for boiler maintenance platform

Info

Publication number: CN214087591U
Application number: CN202023065737.1U
Authority: CN
Inventors: 刘将修; 李林; 蒋远林
Original assignee: Chengdu Hongyuan Zhixin Technology Co ltd
Current assignee: Chengdu Hongyuan Zhixin Technology Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-31
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses an overload protection device for a boiler maintenance platform, which comprises a maintenance platform and a protection mechanism positioned on the maintenance platform, wherein the maintenance platform comprises a base, four corners of a bottom surface of the base are all provided with universal wheels, a hanging plate parallel to the base is arranged above the base in a hanging manner, four corners of the bottom surface of the hanging plate are all provided with pressure sensors in contact with the base, a bearing plate with a guardrail arranged on the top surface is arranged on the top surface of the hanging plate through a shear type lifting frame, the top end and the bottom end of the shear type lifting frame are both in sliding connection with the bearing plate and the hanging plate through a slide seat, and the hanging plate and the bearing plate are both provided with slide grooves for sliding of the slide seat; and the position between the base and the suspended plate, which corresponds to the sliding seat, is provided with a protection mechanism, and the protection mechanism comprises an electric push rod. This an overload protection device for boiler overhauls platform, it is rational in infrastructure, solved the problem that exists among the prior art, be worth promoting.

Description

Overload protection device for boiler maintenance platform

Technical Field

The utility model belongs to the technical field of the security protection equipment, concretely relates to overload protection device for boiler overhauls platform.

Background

The utility model discloses an application number is 201721732073.5's chinese utility model patent discloses an overload protection device for boiler maintenance platform, including overload protection device body, man-machine interface, a controller, weight detection module, warning suggestion module and cable run detection module, man-machine interface and warning suggestion module are established respectively on the both sides face of overload protection device body, the controller is established inside overload protection device body, weight detection module sets up the wire rope and the boiler maintenance platform joint hanging point department at the hoist engine, man-machine interface, weight detection module, warning suggestion module hoist engine and cable run detection module are connected with the controller respectively.

The overload protection device for the boiler maintenance platform provided by the technical scheme solves the problem that the existing high-altitude operation boiler maintenance platform easily causes safety accidents due to overload operation under negligence of workers, but has a complex structure and poor effect, and therefore needs further improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overload protection device for boiler overhauls platform to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an overload protection device for a boiler maintenance platform comprises a maintenance platform and a protection mechanism located on the maintenance platform, wherein the maintenance platform comprises a base, universal wheels are mounted at four corners of a bottom end face of the base, a hanging plate parallel to the base is arranged above the base in a hanging mode, pressure sensors in contact with the base are mounted at four corners of the bottom end face of the hanging plate, a bearing plate with guardrails at the top end face is mounted on the top end face of the hanging plate through a shear type lifting frame, the top end and the bottom end of the shear type lifting frame are connected with the bearing plate and the hanging plate in a sliding mode through sliding seats, and sliding grooves for sliding of the sliding seats are formed in the hanging plate and the bearing plate;

the utility model discloses a safety protection device for a sliding seat, including base, hang-off board, recess, electric putter, base top face, the position that just corresponds with the slide between base and the hang-off board all is provided with protection mechanism, protection mechanism includes electric putter, set up the through-hole that corresponds with slide initial position on the hang-off board, the position that corresponds with the through-hole on the base top face is seted up flutedly, the inside vertical electric putter that installs of recess, electric putter's flexible end level is fixed with the push pedal that the slidable mounting set up in the through-hole inside, be fixed with the bolt on the push pedal top face, set up the pinhole that supplies the bolt to peg graft on the slide bottom face.

Preferably, a first telescopic positioning rod is vertically fixed on the top end face of the base on one side of each pressure sensor, and a telescopic end of each first telescopic positioning rod is fixedly connected with the suspended plate.

Preferably, the four corners of the top end face of the suspended plate are vertically fixed with second telescopic positioning rods, the telescopic ends of the second telescopic positioning rods are horizontally fixed with buffer plates abutted to the bearing plates, springs are sleeved on the outer sides of the second telescopic positioning rods, and two ends of each spring are fixedly connected with the buffer plates and the suspended plate respectively.

Preferably, the both sides of push pedal all are provided with the stopper, all set up on the inside both sides wall of through-hole and supply the gliding spacing groove of stopper.

Preferably, a cushion pad is bonded on the top end face of each cushion plate.

The utility model discloses a technological effect and advantage: this overload protection device for boiler overhauls platform, the weight that the loading board bore before can effectively monitoring through the unsettled hanging plate that sets up of four pressure sensor and unsettled formula crane lift, when the weight that bears on the loading board surpasss and sets for the threshold value, electric putter in every group protection machanism, the through-hole, under the cooperation of push pedal and stopper, can order about the bolt of push pedal top end face and the pinhole grafting of slide bottom face and fix the slide, make and cut the unable start-up of formula crane, thereby realize the overload protection to this maintenance platform, and simple effective. This an overload protection device for boiler overhauls platform, it is rational in infrastructure, solved the problem that exists among the prior art, be worth promoting.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the suspended plate of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: the device comprises a base 1, a suspension plate 2, a scissor-type 3 lifting frame, a sliding seat 4, a pressure sensor 5, a first telescopic positioning rod 6, a universal wheel 7, a bearing plate 8, a guardrail 9, a second telescopic positioning rod 10, a buffer plate 11, a spring 12, a sliding groove 13, a protection mechanism 14, a groove 15, an electric push rod 16, a through hole 17, a push plate 18, a bolt 19 and a limiting block 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an overload protection device for a boiler maintenance platform, which is shown in figures 1-3 and comprises a maintenance platform and a protection mechanism 14 positioned on the maintenance platform, the maintenance platform comprises a base 1 with universal wheels 7 arranged at four corners of the bottom end surface, a suspended plate 2 parallel to the base 1 is arranged above the base 1 in a suspended manner, four corners of the bottom end face of the suspended plate 2 are respectively provided with a pressure sensor 5 which is contacted with the base 1, the pressure sensors 5 can be selected from PT124G-210 standard industrial control pressure sensors, the top end surface of the suspended plate 2 is provided with a bearing plate 8 with a guardrail 9 on the top end surface through a scissor type lifting frame 3, the top end and the bottom end of the scissor type lifting frame 3 are both connected with the bearing plate 8 and the suspended plate 2 in a sliding manner through the sliding base 4, and the suspended plate 2 and the bearing plate 8 are both provided with sliding grooves 13 for the sliding base 4 to slide;

the utility model discloses a safety protection device for a vehicle, including base 1 and hang-off board 2, the position that just corresponds with slide 4 between base 1 and the hang-off board 2 all is provided with protection mechanism 14, protection mechanism 14 includes electric putter 16, set up the through-hole 17 that corresponds with slide 4 initial position on the hang-off board 2, the position that corresponds with through-hole 17 on the face of base 1 top has seted up recess 15, the inside vertical electric putter 16 of installing of recess 15, electric putter 16's flexible end level is fixed with the push pedal 18 that sliding installation set up inside through-hole 17, be fixed with bolt 19 on the face of push pedal 18 top, set up the pinhole that supplies bolt 19 to peg graft on the face of slide 4 bottom.

Specifically, a first telescopic positioning rod 6 is vertically fixed on the top end face of the base 1 on one side of each pressure sensor 5, and the telescopic end of each first telescopic positioning rod 6 is fixedly connected with the suspended plate 2.

Specifically, the equal vertical flexible locating lever 10 of second that is fixed with in four corners department of 2 top end faces of suspended plate, the flexible end level of flexible locating lever 10 of second is fixed with the buffer board 11 with the 8 butts of loading board, every the outside of the flexible locating lever 10 of second all is equipped with spring 12, spring 12's both ends respectively with

buffer board

11 and 2 fixed connection of suspended plate, if the trouble leads to loading board 8 to fall in this maintenance platform use, can effectively cushion it through flexible locating lever 10 of second and spring 12 to staff and object on the loading board 8 form effective protection.

Specifically, the both sides of push pedal 18 all are provided with stopper 20, all set up on the inside both sides wall of through-hole 17 and supply the gliding spacing groove of stopper 20, play the spacing effect of push pedal 18.

Specifically, a buffer pad is bonded on the top end face of each buffer plate 11 to prevent the bearing plate 8 from being damaged due to the extrusion between the buffer plate 11 and the bearing plate 8.

The working principle is as follows: when the overload protection device for the boiler maintenance platform is used, the weight borne by a bearing plate 8 before the scissor type crane 3 is lifted can be effectively monitored through four pressure sensors 5 and a suspended plate 2 arranged in a suspended mode, when the weight borne by the bearing plate 8 exceeds a set threshold value, an electric push rod 16 is started to push a push plate 18 to vertically move upwards, the scissor type crane 3 is not started, and then a sliding seat 4 is located at an initial position and aligned with a through hole 17, along with the vertical movement of the push plate 18, a plug pin 19 on the top end face of the push plate 18 is plugged into a pin hole on the bottom end face of the sliding seat 4, so that the sliding seat 4 is fixed, the scissor type crane 3 cannot be started, and overload protection on the maintenance platform can be simply and effectively realized through the mode, wherein the pressure sensors 5 are connected with the electric push rod 16 in a control mode matched with a controller in the prior art; further, when this overhaul platform use leads to cutting formula crane 3 to break down and cause the loading board 8 tenesmus because of overloading, when the loading board 8 falls to initial position soon, can support loading board 8 through four buffer boards 11, can effectively alleviate the tenesmus dynamics of loading board 8 simultaneously under the cooperation of spring 12 and the flexible locating lever 10 of second to staff and article on the loading board 8 form effective protection. This an overload protection device for boiler overhauls platform, it is rational in infrastructure, solved the problem that exists among the prior art, be worth promoting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An overload protection device for a boiler maintenance platform, comprising a maintenance platform and a protection mechanism (14) located on the maintenance platform, characterized in that: the maintenance platform comprises a base (1) with universal wheels (7) mounted at four corners of a bottom end face, a suspended plate (2) parallel to the base (1) is arranged above the base (1) in a suspended mode, pressure sensors (5) in contact with the base (1) are mounted at four corners of the bottom end face of the suspended plate (2), a bearing plate (8) with a guardrail (9) arranged at the top end face is mounted on the top end face of the suspended plate (2) through a shear type lifting frame (3), the top end and the bottom end of the shear type lifting frame (3) are connected with the bearing plate (8) and the suspended plate (2) in a sliding mode through sliding seats (4), and sliding chutes (13) for the sliding seats (4) to slide are formed in the suspended plate (2) and the bearing plate (8);

the utility model discloses a safety protection device for a vehicle, including base (1) and hang-off board (2), just the position that corresponds with slide (4) all is provided with protection mechanism (14) between base (1) and hang-off board (2), protection mechanism (14) include electric putter (16), set up through-hole (17) that correspond with slide (4) initial position on hang-off board (2), set up fluted (15) with the position that through-hole (17) correspond on the base (1) top face, the inside vertical electric putter (16) of installing of recess (15), the flexible end level of electric putter (16) is fixed with sliding installation and sets up push pedal (18) inside at through-hole (17), be fixed with bolt (19) on push pedal (18) top face, set up the pinhole that supplies bolt (19) to peg graft on slide (4) bottom face.

2. An overload protection apparatus for a boiler service platform according to claim 1, wherein: and a first telescopic positioning rod (6) is vertically fixed on the top end face of the base (1) on one side of each pressure sensor (5), and the telescopic end of each first telescopic positioning rod (6) is fixedly connected with the suspended plate (2).

3. An overload protection apparatus for a boiler service platform according to claim 1, wherein: the all vertical flexible locating lever of second (10) that is fixed with in four corners department of hang-off board (2) top face, the flexible end level of flexible locating lever of second (10) is fixed with buffer board (11) with loading board (8) butt, every the outside of flexible locating lever of second (10) all is equipped with spring (12), the both ends of spring (12) respectively with buffer board (11) and hang-off board (2) fixed connection.

4. An overload protection apparatus for a boiler service platform according to claim 1, wherein: both sides of push pedal (18) all are provided with stopper (20), all set up on the inside both sides wall of through-hole (17) and supply the gliding spacing groove of stopper (20).

5. An overload protection apparatus for a boiler service platform according to claim 3, wherein: and a buffer pad is bonded on the top end face of each buffer plate (11).