CN208870866U - A connection structure of a single hydraulic strut top cover hinge pin - Google Patents

Abstract

The utility model discloses a kind of connection structures of Single Hydraulic Prop Top Cover joint pin, are related to hydraulic prop technical field.The utility model includes cylinder body, inner surface of cylinder block is connected with movable post body, cylinder interior is fixedly connected with a plunger, one end face of movable post body is connected with a capital fitting body, movable post body one end week side and capital fitting body week side open up there are two pin hole, two bolt internal surface of hole have been movably connected with first axle pin and second hinge pin, first axle pin one end week side be plugged with the first β pin, second hinge pin one end week side be plugged with the 2nd β pin, the utility model replaces existing elastic cylindrical pin to be attached by being inserted into joint pin between movable post body and capital fitting body, so that can be stably connected between pillar and capital fitting body, security reliability enhancing, hinge pin connected construction is simple, it is low in cost, reuse rate is high, it is with good economic efficiency.

Description

A kind of connection structure of Single Hydraulic Prop Top Cover joint pin

Technical field

The utility model relates to hydraulic prop technical field, specially a kind of Single Hydraulic Prop Top Cover joint pin Connection structure.

Background technique

Hydraulic prop refers to the single contractibility for generating working resistance using fluid pressure and realizing setting prop and unloading Pillar.DN internal-injection type hydraulic prop working solution is No. 5 hydraulic oil, and hydraulic oil flows back to movable post inner cavity and formed in oil cylinder when prop drawing Enclosed circulation；Pumping plant and pipe-line system are not needed, corollary equipment is few, at low cost；The place of no power supply and pumping plant in the same old way It uses, flexibility is big, convenient for management, simple；Since working solution is enclosed circulation, hydraulic oil is flowed back in movable post when pillar prop drawing Chamber, realizes the closed cycle of pillar hydraulic oil itself, and hydraulic oil consumption is seldom；Pillar hydraulic system is closed system, hydraulic oil It is not excessive, it is free from environmental pollution, it is good for the environment, and small on working surface production influence, preferably maintains environment on coalface, work Condition is preferable；The valve of pillar is all mounted in pillar inner cavity, small, high reliablity a possibility that by outside contamination.

During use, the hydraulic prop of elastic cylinder pin connection encounters frequently hydraulic prop at present Vibration will lead to elastic cylindrical pin and gradually fall off, and pillar is caused to connect unstable, capital fitting body when serious with capital fitting body It is easy to produce and separates with pillar, using elastic cylinder pin connection, also frequently damage breather valve, so that the safety of hydraulic prop It reduces, and elastic cylindrical pin frequently falls off and needs to carry out maintenance repeatedly, causes the maintenance cost of product to improve, therefore column It is those skilled in the art's technical issues that need to address that it is unstable with polar connecting structure, which to push up fitting body,.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of connection knot of Single Hydraulic Prop Top Cover joint pin Structure is bonded structure using β pin, solves existing elasticity by being inserted into joint pin between capital fitting body and movable post body The problem of straight pin is easy to fall off.

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of hydraulic prop top The connection structure of cover hinge pin, including cylinder body, the inner surface of cylinder block are connected with movable post body, and the cylinder interior is fixed to be connected Be connected to a plunger, one end face of movable post body is connected with a capital fitting body, the movable post body one end week side and capital Fitting body week, side opened up there are two pin hole, two bolt internal surface of hole be movably connected with first axle pin and Second hinge pin, the first axle pin one end week side be plugged with the first β pin, the side grafting of second hinge pin one end week There is the 2nd β pin；

The first β pin and the 2nd β sell the contrary of grafting, i.e., the side of the described first β pin curved profile is far from column One surface of fitting body is pushed up, the side of the 2nd β pin curved profile is close to one surface of capital fitting body.

Further, cylinder body week side is arranged with dustband and connection steel wire respectively, and the cylinder body one side is fixed It is connected with handle body, the dustband and connection steel wire are respectively positioned on handle body and cylinder body junction.

Further, the inner surface of cylinder block offers an inside groove, and one surface activity of inside groove is connected with limit steel wire Circle.

Further, the inner surface of cylinder block is fixedly connected with piston, and the piston interior surface is flexibly connected with plunger, institute It states plunger at one end face and is fixedly connected with spring washer, the spring washer one side is fixedly connected with screw, described screw one end Plunger body is extended to, one end that the screw is located at plunger body is connected with steel ball.

Further, described cylinder body one end is connected with a hinge seat, and the cylinder body is opened up with one surface of hinge seat Have a through hole, it is described to be connected with foundation pin through internal surface of hole, the foundation pin one end week side be plugged with split pin.

The utility model has the following beneficial effects:

1, the connection structure of the hydraulic prop capital fitting body steel wire passes through interleaving for movable post body and capital fitting body Enter joint pin and be attached instead of existing elastic cylindrical pin, be bonded structure using β pin so that pillar and capital fitting body it Between can be stably connected with, capital fitting body be not easy with branch post separation, protect breather valve, security reliability enhancing.

2, the connection structure of the hydraulic prop capital fitting body steel wire completes capital connector by the grafting of joint pin On the one hand the connection of body and movable post body avoids elastic cylindrical pin and frequently falls off, reduces the failure rate of hydraulic prop, another party Face hinge pin connected construction is simple, and low in cost, practical performance is strong, and reuse rate is high, so that maintenance cost is cheaper, tool There is good economic benefit.

Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

Fig. 1 is a kind of attachment structure schematic diagram of Single Hydraulic Prop Top Cover joint pin of the utility model；

Fig. 2 is the partial enlarged view in Fig. 1 at A；

Fig. 3 is the partial enlarged view in Fig. 1 at B；

Fig. 4 is the partial enlarged view in Fig. 1 at C；

Fig. 5 is the partial enlarged view in Fig. 1 at D；

In attached drawing, parts list represented by the reference numerals are as follows:

In figure: 1- cylinder body, 2- movable post body, the capital 3- fitting body, 4- first axle pin, 5- second hinge pin, the first β of 6- Pin, the 2nd β of 7- pin, 8- plunger, 9- dustband, 10- handle body, 11- connection steel wire, 12- limit wire loop, 13- split pin, 14- piston, 15- steel ball, 16- spring washer, 17- screw, 18- hinge seat, 19- foundation pin.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of company of Single Hydraulic Prop Top Cover joint pin Binding structure, including cylinder body 1,1 inner surface of cylinder body are connected with movable post body 2, and a plunger 8, movable post are fixedly connected with inside cylinder body 1 2 one end face of body is connected with a capital fitting body 3,2 one end week of movable post body side offered with 3 weeks sides of capital fitting body Two pin holes, two bolt internal surface of hole have been movably connected with first axle pin 4 and second hinge pin 5, first axle pin 4 One end week, side was plugged with the first β pin 6,5 one end week of second hinge pin side be plugged with the 2nd β pin 7.

Wherein, the first β pin 6 and 7 grafting of the 2nd β pin is contrary, i.e. the side of 6 curved profile of the first β pin is far from column 3 one surface of fitting body is pushed up, the side of 7 curved profile of the 2nd β pin is close to 3 one surface of capital fitting body.

Wherein as shown in figure 3,1 week side of cylinder body is arranged with dustband 9 and connection steel wire 11 respectively, 1 one side of cylinder body is solid Surely it is connected with handle body 10, dustband 9 and connection steel wire 11 are respectively positioned on handle body 10 and 1 junction of cylinder body.

Wherein as shown in figure 4,1 inner surface of cylinder body offers an inside groove, one surface activity of inside groove is connected with limit wire loop 12。

Wherein as shown in figure 5,1 inner surface of cylinder body is fixedly connected with piston 14,14 inner surface of piston and 8 activity of plunger are even It connects, 8 one end face of plunger is fixedly connected with spring washer 16, and 16 one side of spring washer is fixedly connected with screw 17, screw 17 1 End extends to inside plunger 8, and one end that screw 17 is located inside plunger 8 is connected with steel ball 15.

Wherein, 1 one end of cylinder body is connected with a hinge seat 18, and cylinder body 1 is offered with 18 1 surface of hinge seat to be run through Hole is connected with foundation pin 19 through internal surface of hole, 19 one end week of foundation pin side be plugged with split pin 13.

The concrete application of the present embodiment are as follows: two pin holes are drilled out on movable post body 2 and capital fitting body 3 respectively, by One joint pin and second hinge pin are each passed through movable post body 2 and capital fitting body 3, so that 3 gap of movable post body 2 and capital fitting body Cooperation is sold with the first β on first axle pin and is fixed, and is sold and is fixed with the 2nd β on second hinge pin, completes movable post body 2 and column Push up the Connection Step of fitting body 3.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A connection structure of a single hydraulic strut top cover hinge pin, comprising a cylinder body (1), an inner surface of the cylinder body (1) is movably connected with a live cylinder (2), and the interior of the cylinder body (1) A plunger (8) is fixedly connected, and a column top joint body (3) is movably connected to one end face of the cylinder body (2), which is characterized in that: The peripheral side of one end of the living cylinder (2) and the peripheral side of the column top joint body (3) are provided with two latch holes, and the inner surfaces of the two latch holes are respectively movably connected with a first hinge pin (4) and a second hinge pin. Two hinge pins (5), a first beta pin (6) is inserted into one end of the first hinge pin (4), and a second beta pin (6) is inserted into one end of the second hinge pin (5). 7); The first beta pin (6) and the second beta pin (7) are inserted in opposite directions, that is, one side of the curved outline of the first beta pin (6) is away from a surface of the column top joint body (3), so the One side of the curved shape of the second beta pin (7) is close to a surface of the column top joint body (3). 2. The connection structure of a single hydraulic strut top cover hinge pin according to claim 1, characterized in that, a dust ring (9) and a connecting wire ( 11), a handle body (10) is fixedly connected to one side of the cylinder body (1), and the dust ring (9) and the connecting wire (11) are located between the handle body (10) and the cylinder body (1) Junction. 3 . The connection structure of a single hydraulic strut top cover hinge pin according to claim 1 , wherein an inner groove is provided on the inner surface of the cylinder body (1), and a surface of the inner groove has a limited movable connection. 4 . Position traveler (12). 4. The connection structure of a single hydraulic strut top cover hinge pin according to claim 1, wherein a piston (14) is fixedly connected to the inner surface of the cylinder (1), and the piston (14) The inner surface is movably connected with the plunger (8), one end surface of the plunger (8) is fixedly connected with a spring washer (16), and one side of the spring washer (16) is fixedly connected with a screw (17), and the screw ( 17) One end extends to the inside of the plunger (8), and one end of the screw (17) inside the plunger (8) is movably connected with a steel ball (15). 5. The connection structure of a single hydraulic strut top cover hinge pin according to claim 1, wherein one end of the cylinder body (1) is movably connected to a hinge seat (18), and the cylinder body (1) is movably connected to a hinge seat (18). ) and a surface of the hinge seat (18) are provided with a through hole, the inner surface of the through hole is movably connected with a bottom post pin (19), and one end of the bottom post pin (19) is inserted with a split pin (13) on the peripheral side surface. .