CN210195792U - Hydraulic support operating valve limiting device - Google Patents

Abstract

The utility model provides a hydraulic support operating valve stop device, belong to operating valve protection safety technical field, the valves handle of longitudinal array installation on the valve unit body and the valve unit body, valve unit body upside fixed mounting has an upper fixed plate, the upper fixed plate end fixing has the axle sleeve, the axle sleeve internal rotation is connected with the spacing frame that is the rectangle frame structure, clearance and length suit with the valves handle about spacing inboard, valve unit bottom fixed mounting has the bottom plate, the bottom plate end fixing has the elastic clamp plate, the clamp plate end fixing have with spacing frame bottom horizontal pole assorted arc pressure hook. This hydraulic support operating valve stop device, simple structure, the dismouting is convenient, and stable in structure is firm, and cost low cost can effectively avoid the phenomenon of valves handle malfunction under external force, stops the accident that valves handle malfunction produced, and the security is high, the good reliability.

Description

Hydraulic support operating valve limiting device

Technical Field

The utility model belongs to the technical field of the operating valve protection safety, specifically speaking are hydraulic support operating valve stop device.

Background

The hydraulic support can effectively support and control a top plate of a working face, isolate a goaf and ensure an operation space, can mechanically move along with the advancement of the working face, and continuously pushes a coal mining machine and a scraper conveyor to a coal wall, and is one of key devices of the modern comprehensive mechanical coal mining process. The hydraulic support mainly comprises three parts, namely a metal component, a hydraulic system, an anti-falling part, an anti-skidding part, an adjusting frame and a base lifting device. The hydraulic control system comprises a hydraulic support control valve group, a safety valve, a hydraulic control one-way valve and the like besides the upright post and various jacks.

The hydraulic support operation valve group controls various actions of lifting, moving, pushing, balance adjustment, front beam expansion and the like of the hydraulic support, and the reliability and safety of the operation of the hydraulic support operation valve group are very important. In actual work, the environment of an operation space of a fully mechanized coal mining face is narrow, the position of a hydraulic support valve group required to be installed is beneficial to operation of personnel, the operating valve group is installed in the middle of a frame rail during design, the operating valve group used on the hydraulic support is not provided with any limiting handle moving device, and a valve group handle is exposed on a pedestrian channel between a large upright post of the hydraulic support and a cable groove of a scraper conveyor. The working face has frequent movement of personnel, darker light, narrow space, large coal seam inclination angle or thin coal seam car, and can involuntarily grab and lean against external objects to balance the body under the condition of losing balance when a support is overhauled or the car walks below the support, so that the possibility of accidents caused by misoperation of a sheet valve handle due to accidental scratching, extrusion and other forms exists, equipment is damaged, production is influenced, and even personal injury accidents occur.

SUMMERY OF THE UTILITY MODEL

For solving no stop device of hydraulic support operating valve group handle now, easily be run into by the staff, can produce injuries such as scratch, extrusion to the operating personnel, and can directly make the operating valve group malfunction, lead to serious operation accident, damage equipment, influence the problem of production, the utility model provides a hydraulic support operating valve stop device.

The utility model discloses a realize through following technical scheme.

The utility model provides a hydraulic support operating valve stop device, includes the valves handle of the last longitudinal array installation of valves body and valves body, valves body upside fixed mounting have an upper fixed plate, the upper fixed plate end fixing has the axle sleeve, the axle sleeve internal rotation is connected with the spacing of being rectangular frame structure, clearance and length suit with the valves handle about spacing inboard. The limiting frame rotates and overturns through the shaft sleeve, when the limiting frame is required to be limited, the limiting frame is overturned down, the valve group handle is limited in a gap of the limiting frame, the phenomenon that the valve group handle malfunctions under external force can be effectively avoided, the safety is high, and the structure is stable and firm.

The utility model discloses a further improvement still, foretell valve train body bottom fixed mounting has the bottom plate, and the bottom plate end fixing has the elastic pressure plate, and the clamp plate end fixing has and presses the hook with spacing bottom horizontal pole assorted arc. Through bottom elastic pressing plate and arc pressure hook to spacing frame bottom horizontal pole auto-lock, increase spacing stability, avoid spacing frame to overturn at will under external force, increase fail safe nature.

The utility model discloses a further improvement still, the lower rear portion of foretell axle sleeve left and right sides all is fixed with the stopper. The downward overturning angle of the limiting frame is limited, and damage to the valve assembly due to collision of the limiting frame is effectively avoided.

The utility model discloses a further improvement still, the back upper place of foretell upper fixed plate left and right sides all is fixed with the locating convex block that suits with two vertical poles inboards of spacing. When the limiting frame is not used temporarily, the limiting frame is turned upwards to the upper fixing plate and is clamped through the positioning lug.

The utility model discloses a further improvement still, the opening that suits with the valves handle of longitudinal array is all opened to the rear side of two vertical poles of foretell spacing frame. When the valve group handle needs to be operated left and right for a long time, the valve group handle is blocked outside the limiting frame through the notch on the limiting frame, the misoperation resetting of the valve group handle is avoided, and the reliability is good.

The utility model discloses a further improvement still, it has the rubber layer all to cover on the two vertical poles of foretell spacing frame. The collision damage of the valve group handle and the limiting frame is avoided, and the collision damage of operators can be avoided.

The utility model has the advantages that: 1. the structure is stable and firm, the disassembly, the assembly and the operation are simple, and the cost is low; 2. the phenomenon that the valve group handle is in misoperation under external force can be effectively avoided, the safety is high, and accidents caused by misoperation of the valve group handle are effectively avoided; 3. the valve group handle resetting device has multiple functions, can limit misoperation of the resetting valve group handle in the limiting frame, can limit misoperation of the valve group handle in an outer working state, and has good reliability and high safety; 4. when not using temporarily, spacing frame upwards turns over to the upper fixed plate, through the clamping of location lug, and it is convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic side view of an embodiment of the present invention.

Fig. 3 is a schematic front view of the embodiment of the present invention.

Fig. 4 is a schematic bottom cross-sectional view of an embodiment of the present invention.

In the drawings: 1. the valve group body, 2, valves handle, 3, upper fixed plate, 4, axle sleeve, 5, spacing, 6, clamp plate, 7, bottom plate, 8, spacing, 9, location lug, 10, pressure hook, 11, opening.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

As shown in the attached drawings, the limiting device for the hydraulic support operating valve comprises a valve group body 1 and valve group handles 2 arranged on the valve group body 1 in a longitudinal array mode, wherein an upper fixing plate 3 is fixedly arranged on the upper side of the valve group body 1 through bolts, a lower fixing plate 7 is fixedly arranged on the lower side of the valve group body through bolts, a shaft sleeve 4 is fixedly welded at the end part of the upper fixing plate 3, a limiting frame 5 in a rectangular frame structure is rotatably connected in the shaft sleeve 4, and the left and right gaps and the length of the inner side of the limiting frame 5 are matched with those of the valve group; the end part of the lower fixing plate 7 is fixedly welded with an elastic pressing plate 6, and the end part of the pressing plate 6 is integrally formed with an arc-shaped pressing hook 10 matched with a cross bar at the bottom of the limiting frame 5. The lower rear parts of the left side and the right side of the shaft sleeve 4 are respectively fixed with a limiting block 8, so that the included angle between the limiting frame 5 and the upper fixing plate 3 is 90 degrees at the minimum, and the bottom of the limiting frame 5 is prevented from colliding and damaging the valve assembly 1; the rear upper parts of the left side and the right side of the upper fixing plate 3 are respectively fixed with a positioning lug 9 which is matched with the inner sides of the two longitudinal rods of the limiting frame 5, and the rear sides of the two longitudinal rods of the limiting frame 5 are respectively provided with a notch matched with the valve group handles 2 in the longitudinal array; rubber layers are covered on the two longitudinal rods of the limiting frame 5.

This hydraulic support operating valve stop device uses, fix upper fixed plate 3 and bottom plate 7 respectively in the upper and lower both sides of valve train body 1 through the bolt, when all valves handle 2 all are in the reset state, directly turn over down limiting frame 5 along axle sleeve 4 rotation, limiting frame 5 lower part is blocked through pressure hook 10, and compress tightly through the top pressure of elastic pressing plate 6, it is spacing to the inside valves handle 2 of frame construction limiting frame 5 to accomplish, can effectively avoid the incident that exogenic action made 2 malfunction of valves handle 2 produced. When some valves handles 2 need to be in left and right working position states for a long time, the valves handles 2 can be broken left and right firstly, then the limiting frame 5 is turned downwards along the rotation of the shaft sleeve 4, the lower part of the limiting frame 5 is clamped through the pressing hook 10 and is pressed upwards through the elastic pressing plate 6, the valves handles 2 in the reset state are limited on the inner side of the limiting frame 5, the valves handles 2 in the working state are limited on the outer side of the limiting frame 5, and are clamped through the notches 11 on the rear sides of the two longitudinal rods of the limiting frame 5 (as shown in fig. 4), and therefore it is guaranteed that the valves handles cannot be reset by mistake under external force. When the limiting frame 5 is not used temporarily, the limiting frame 5 is turned upwards to the upper fixing plate 3 and clamped through the positioning lug 9, so that an operator does not need to lift the limiting frame all the time, and the operation is more convenient. When the limiting frame 5 is not needed for a long time, the limiting frame can be detached from the valve assembly body 1 through the detaching bolt, and the detaching is convenient and fast.

The limiting device of the hydraulic support control valve is simple in structure, the limiting frame is rotatably connected in a shaft sleeve mode, the stability of the limiting frame is enhanced by clamping the lower part of the limiting frame through the pressing hook, the structure is stable and firm, the limiting frame is not easy to deform and incline even if an operator accidentally touches the limiting frame, misoperation of a valve group handle is avoided, and the manufacturing cost is low; the valve group handle can be effectively prevented from misoperation under external force, accidents caused by misoperation of the valve group handle are avoided, and the safety and the reliability are high.

Claims (6)

1. The utility model provides a hydraulic support operating valve stop device, includes valve train body (1) and valve train body (1) go up valves handle (2) of longitudinal array installation, characterized by, valve train body (1) upside fixed mounting have an upper fixed plate (3), upper fixed plate (3) end fixing has axle sleeve (4), axle sleeve (4) internal rotation is connected with spacing (5) that are the rectangle frame structure, clearance and length suit with valves handle (2) about spacing (5) inboard.

2. The hydraulic support operating valve limiting device as defined in claim 1, wherein a lower fixing plate (7) is fixedly installed at the bottom of the valve assembly body (1), an elastic pressing plate (6) is fixed at the end of the lower fixing plate (7), and an arc-shaped pressing hook (10) matched with a cross bar at the bottom of the limiting frame (5) is fixed at the end of the pressing plate (6).

3. The hydraulic support operating valve limiting device as claimed in claim 1, wherein the lower rear parts of the left side and the right side of the shaft sleeve (4) are respectively fixed with a limiting block (8).

4. The hydraulic support operating valve limiting device as claimed in claim 1, wherein the upper rear part of the left side and the upper rear part of the upper fixing plate (3) are respectively fixed with a positioning lug (9) which is matched with the inner sides of the two longitudinal rods of the limiting frame (5).

5. The hydraulic support operating valve limiting device as claimed in claim 1, wherein the rear sides of the two longitudinal rods of the limiting frame (5) are provided with notches (11) corresponding to the valve group handles (2) in the longitudinal array.

6. The hydraulic support operating valve limiting device as claimed in claim 1, wherein the two longitudinal rods of the limiting frame (5) are covered with rubber layers.

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