CN214031620U

CN214031620U - Steel rope foldable structure square manhole cover opening device

Info

Publication number: CN214031620U
Application number: CN202023263182.1U
Authority: CN
Inventors: 刘伟; 唐都波; 顾浩; 刘顺
Original assignee: Hunan University of Science and Technology
Current assignee: Hunan University of Science and Technology
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-24
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a steel rope type foldable structure square manhole cover opening device. The utility model comprises two load-bearing rod handrails, the load-bearing rod handrails are obtuse-angled, the bottom side is a load-bearing rod, the upper side is a handrail, and the two load-bearing rod handrails are connected at their corners through folding rails; A roller is respectively fixed at the bottom of the corner; the upper surfaces of the two load-bearing rods are respectively uniformly and symmetrically provided with a number of bolt holes for fixing the steel rope, and the front ends of the two load-bearing rods are respectively provided with a fixed pulley; after the steel rope is folded, the middle part passes through The hook pin is connected and fixed with the pin hole on the load-bearing rod. The front end and tail end of the steel rope are suspended in front of the load-bearing rod after bypassing the fixed pulley. The front end and tail end of each steel rope are respectively connected with an I-shaped hook. . The utility model is simple in operation, convenient in carrying, simple in structure and low in maintenance cost, applicable to square manhole covers of various specifications, and solves the problems of low efficiency in opening square manhole covers and potential safety hazards.

Description

Steel rope type foldable structure square well cover opening device

Technical Field

The utility model belongs to the technical field of the earth's surface well lid of city underground piping is opened, concretely relates to square well lid opening device of portable wire rope formula beta structure.

Background

In recent decades, with the rapid development of society, people have higher and higher requirements on municipal management level of cities, so that the construction of various underground network management systems for electric power, drainage, communication, heating and the like in the cities is increasingly improved for better living comfort and more efficient city management.

The well lid is square and circular usually, and slotted through-hole is used for opening the well lid in the well lid. The round well lid is mostly made of cast iron, and has the advantages of convenient opening, but has the disadvantage of uneven matching with the road surface. Therefore, square cement well covers are arranged in places with large pedestrian volume and traffic volume, such as scenic spots, parks, main trunk roads and the like, and are covered above round cast iron well covers. Therefore, the whole weight is large, and the opening is extremely inconvenient, so that a device capable of simplifying the opening process is needed, and the square cement well cover is easily opened.

Disclosure of Invention

The utility model aims to provide a square well lid opening device of wire rope formula beta structure that can fold, conveniently carry to the inefficiency that the well lid tradition mode of opening exists, have the potential safety hazard scheduling problem. The novel square well lid has the advantages of being simple in operation, convenient to carry, simple in structure, low in maintenance cost and the like, is applicable to square well lids of various specifications, and solves the problems that the opening of the square well lids is low in efficiency, potential safety hazards exist and the like.

The purpose of the utility model is realized through the following technical scheme: the steel rope type foldable structure square well lid opening device comprises two bearing rod handrails, wherein the bearing rod handrails are in an obtuse angle shape, the bottom edges of the bearing rod handrails are bearing rods, the upper edges of the bearing rod handrails are handrails, and the two bearing rod handrails are connected together at the corners of the bearing rod handrails through folding fences; the bottoms of the corners of the two bearing rod handrails are respectively fixed with a roller; the upper surfaces of the two bearing rods are respectively uniformly and symmetrically provided with a plurality of bolt holes for fixing the steel ropes, and the front ends of the two bearing rods are respectively provided with a fixed pulley; the middle part of the steel rope after being folded is fixedly connected with a bolt hole on the bearing rod through a ring hook bolt, the front end and the tail end of the steel rope are hung in front of the bearing rod after bypassing the fixed pulley, and the front end and the tail end of each steel rope are respectively connected with an I-shaped lifting hook.

Furthermore, a reinforcing support rod is arranged in the corner top of the bearing rod handrail.

Specifically, the folding fence is composed of a plurality of identical X-shaped structural units, and the middle intersection points of the X-shapes and the joints of the units at the four corner points of the X-shapes are connected through movable bolts.

The utility model discloses in the use, through the gyro wheel under handrail and the handrail, remove the well lid top that needs were opened, put four worker shape lifting hooks to the well lid inslot, then rotatory certain angle, the position of adjustment lifting hook makes it fixed to put the device to the top and the fixing device of opening the hole, then hold the handrail and exert oneself downwards, alright mention the well lid.

The utility model has the advantages of fixed effectual, stable in structure is simple, the simple operation, the manufacturing and the maintenance cost that significantly reduces can realize high-efficient, laborsaving, open the well lid safely, have very high practicality, can solve the difficult problem of opening of square well lid very well.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a top view of the load bearing bar of fig. 1.

Fig. 3 is a perspective view of the loop hook latch of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent and more detailed, the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the embodiments are for making the technical solutions of the present invention easier to be understood by the technicians and users, and not for limiting the protection scope of the present invention.

Referring to fig. 1 and 2, the steel rope type foldable square manhole cover opening device of the embodiment includes two bearing rod handrails, the bearing rod handrails are obtuse-angled, the bottom edges of the bearing rod handrails are bearing rods 2, the upper edges of the bearing rods are handrails 6, and the two bearing rod handrails are connected at the corners of the bearing rod handrails through a folding fence 1; the bottom of the corner of the two bearing rod handrails is respectively fixed with a roller 5 through bolts and nuts, and the function of a moving device is achieved. As can be seen from fig. 2, the upper surfaces of the two bearing rods 2 are respectively and symmetrically provided with 10 bolt holes 7, and the length of the steel rope 3 is controlled by matching with the hook bolts on the steel rope 3, so as to achieve the purpose of being suitable for well covers of different specifications; the front ends of the two bearing rods 2 are respectively provided with a fixed pulley 8; the rear end of the steel rope 3 is provided with a ring hook bolt which is connected with a bolt hole 7 on the bearing rod 2, the front end of the steel rope 3 is wound around a fixed pulley 8 and then hung in front of the bearing rod 2, and the fixed pulley 8 is used for fixing and changing the stress direction to enable the steel rope to droop. The middle part of the steel rope 3 is fixedly connected with a bolt hole 7 on the bearing rod 2 through a ring hook bolt 10, the tail end of the front end of the steel rope 3 bypasses a fixed pulley 8 and then is suspended in front of the bearing rod 2, and the steel rope is fixed through the fixed pulley 8 and changes the stress direction to enable the steel rope to droop. The front end and the tail end of each steel rope 3 are respectively connected with an I-shaped lifting hook 4 (a steel rope is arranged on each bearing rod, the middle part of the steel rope is hooked through a ring hook part on a ring hook bolt 10, the extending length of the two ends of the steel rope is adjusted by fixing the middle part of the steel rope in different bolt holes based on the ring hook bolt 10 so as to adapt to well covers with different sizes, as shown in figures 1 and 3), one end of the I-shaped lifting hook 4 is connected with the steel rope 3, and the other end is used for fixing a well cover groove to play a role in pulling the well cover; the end of the I-shaped lifting hook 4 connected with the steel rope is short, and the end matched with the well cover opening groove is long. In order to make the structure of the bearing rod handrail more stable, a reinforced support rod 9 is arranged in the corner top of the bearing rod handrail. As can be seen from fig. 1, the folding fence 1 is composed of a plurality of identical X-shaped structural units, the middle intersection points of the X-shape and the joints of the units at the four corner points of the X-shape are all connected by movable bolts, the folding fence 1 plays a role in connecting the left and right bearing rod handrails and realizes the function of folding the same, and is installed on the left and right bearing rod handrails by adopting a welding mode; the structure is light in weight and simple in structure, can realize the functions of left-right folding and width adjustment, and improves the portability and the practicability.

The utility model discloses adopt steel cable 3 as hoisting accessory on bearing bar 2, this device is nimble simple, and it is convenient to maintain, especially adapted outdoor operations with carry, deuterogamy fixed pulley 8 and bolt hole 7 on the bearing bar 2, can play the effect of fixing and adjusting 3 lengths of steel cable, and folding fence 1 is in the same place, and the well lid of most specifications of adaptation is opened. In addition, the front end of the bearing rod 2 is provided with a fixed pulley 8 which is used as a fulcrum of the steel rope 3, and a sliding friction mode is adopted, so that the friction between the steel rope 3 and the bearing rod 2 is greatly reduced, the abrasion is reduced, and the service life and the stability are prolonged; the fixing device of the device is formed by combining the bolt hole 7 in the bearing rod 2 and the ring hook bolt of the steel rope 3, has the advantages of good fixing effect, stable and simple structure and convenience in operation, and greatly reduces the manufacturing and maintenance cost.

The utility model discloses during the device use, the staff holds handrail 6, moves the well lid top that the device need be opened, through adjusting folding fence 1, reaches one with well lid assorted width. Then take out certain length with steel cable 3, put into the groove of opening of well lid with four worker shape hooks 4 respectively, rotate worker shape hook and make it can not the open groove of roll-off well lid when opening the well lid. At this time, the hook bolts on the middle parts of the two steel ropes 3 are adjusted and inserted into the proper bolt holes 7. Finally, the positions of the device and the well lid are adjusted, the wheel 5 is used as a fulcrum, the handrail is pressed downwards, and then the well lid is opened and moved to one side.

The technical solution of the present invention is further described and explained in connection with a preferred embodiment, but is not intended to limit and restrict the present invention. To the technical personnel who belong to the utility model, as long as do not deviate the utility model discloses a framework logic and design, the utility model discloses can modify or replace at any time. All modifications, equivalents, improvements and the like which come within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a square well lid opening device of wire rope formula beta structure which characterized in that: the handrail comprises two bearing rod handrails, wherein the bearing rod handrails are obtuse-angled, the bottom edges of the bearing rod handrails are bearing rods, the upper edges of the bearing rod handrails are handrails, and the two bearing rod handrails are connected at the corners of the bearing rod handrails through a folding fence; the bottoms of the corners of the two bearing rod handrails are respectively fixed with a roller; the upper surfaces of the two bearing rods are respectively uniformly and symmetrically provided with a plurality of bolt holes for fixing the steel ropes, and the front ends of the two bearing rods are respectively provided with a fixed pulley; the middle part of the steel rope after being folded is fixedly connected with a bolt hole on the bearing rod through a ring hook bolt, the front end and the tail end of the steel rope are hung in front of the bearing rod after bypassing the fixed pulley, and the front end and the tail end of each steel rope are respectively connected with an I-shaped lifting hook.

2. The steel rope type foldable structure square manhole cover opening device according to claim 1, wherein: the inside of the corner top of the bearing rod handrail is provided with a reinforced support rod.

3. The steel rope type foldable structure square manhole cover opening device according to claim 1, wherein: the folding fence is composed of a plurality of identical X-shaped structural units, and the middle intersection points of the X shapes and the joints of the units at the four corner points of the X shapes are connected through movable bolts.