CN209483405U - Hydraulic support smithwelding formula connector - Google Patents
Hydraulic support smithwelding formula connector Download PDFInfo
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- CN209483405U CN209483405U CN201822177575.7U CN201822177575U CN209483405U CN 209483405 U CN209483405 U CN 209483405U CN 201822177575 U CN201822177575 U CN 201822177575U CN 209483405 U CN209483405 U CN 209483405U
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- forging
- connector
- hydraulic support
- connecting pin
- smithwelding
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Abstract
The utility model discloses a kind of hydraulic support smithwelding formula connectors, connector and scratch board conveyor connecting pin use ears structure, connector and push rod hyoplastron connecting pin also use ears structure, wherein the ears structure with push rod hyoplastron connecting pin is formed by upper forging and lower forging Combination Welding.The joint surface edge of lower forging and upper forging is equipped with welding groove, and the back side of upper forging is equipped with keel.Lower forging is matched after combining with upper forging bores connecting hole.The material of lower forging and upper forging is 27SiMn.Solves the problems, such as casting connection head rupture instead of original casting connector using connector scheme made of two forging Combination Weldings.
Description
Technical field
The utility model relates to a kind of connector of hydraulic support more particularly to a kind of hydraulic support smithwelding formula connectors.
Background technique
Connector of hydraulic support is the important connecting component of pit gear, main function be by scratch board conveyor with it is hydraulic
Bracket forms organic connection, realizes the conduction of power.It is big in bump, under the big equal complex geological conditions of water yield, spoil with
The shock wave that compress wind is formed will act at a very big horizontal thrust on hydraulic support, make to connect scratch board conveyor and bracket
The connector moment moved forward and backward will bear great impact load and cause to be broken, and high water yield also can cause corruption to connector
Erosion accelerates fracture.It is placed on tight roof, connector intensity and the structure design used under the conditions of bump and high water yield etc.
A key factor of Design of Powered Supports and normal use will be become.The connector of hydraulic support is generally adopted under the conditions of this kind
With preceding double rear double mode structures, preceding pair refers to connector and scratch board conveyor connecting pin, and using ears form, rear pair refers to connector
With adjustable berth away from push rod hyoplastron connecting pin, equally use ears form.
As shown in Figure 1, during underground mining, connector will be completed to draw liquid relief pressure branch for preceding double rear double type connectors
Frame and promotion two links of scratch board conveyor, therefore, connector is other than bearing the alternate stress of normal tension and compression twist and warping, separately
On the one hand, it is influenced by the severe operating environment in underground, causes connector stress condition complicated.Connector is if there is feelings such as breakdown
Condition, will lead to scratch board conveyor and hydraulic support is shut down and operated, and cause huge loss.
The reason of causing fracture mainly casting flaw and heat treatment mode fall flat, casting was forming
Cheng Zhong, crystals it is uneven, be degrading the toughness and plasticity of casting, seriously reduce the tensile strength of casting, such gesture
Must cause casting in use can not give full play to the potential performance of metal material.
And current forging technology cannot achieve double rear double type connectors before solid forging.
Utility model content
The purpose of the utility model is to provide a kind of hydraulic support smithwelding formula connectors.
The purpose of this utility model is achieved through the following technical solutions:
The hydraulic support smithwelding formula connector of the utility model, connector and scratch board conveyor connecting pin use double ear knot
Structure, connector and push rod hyoplastron connecting pin also use ears structure, wherein with the ears structure of push rod hyoplastron connecting pin by upper forging
Part and lower forging Combination Welding form.
The hydraulic support provided by the embodiment of the utility model it can be seen from above-mentioned technical solution provided by the utility model
Smithwelding formula connector is solved using connector scheme made of two forging Combination Weldings instead of original casting connector
The problem of casting connection head rupture.
Detailed description of the invention
Fig. 1 is hydraulic support smithwelding formula connector structural schematic diagram in the prior art；
Fig. 2 is lower forging structural schematic diagram in the utility model embodiment；
Fig. 3 is upper forging structural schematic diagram in the utility model embodiment；
Fig. 4 is hydraulic support smithwelding formula connector structural schematic diagram provided by the embodiment of the utility model.
In figure:
1, front and back ears structural connector, 2, hyoplastron, 3, push rod, 4, welding groove, 5, keel, 6, connecting hole.
Specific embodiment
The utility model embodiment will be described in further detail below.Do not make in the utility model embodiment in detail
The content of description belongs to the prior art well known to professional and technical personnel in the field.
The hydraulic support smithwelding formula connector of the utility model, preferable specific embodiment is:
Connector and scratch board conveyor connecting pin use ears structure, and connector and push rod hyoplastron connecting pin also use ears
Structure, wherein the ears structure with push rod hyoplastron connecting pin is formed by upper forging and lower forging Combination Welding.
The joint surface edge of the lower forging and upper forging is equipped with welding groove, and the back side of the upper forging is equipped with dragon
Bone.
The lower forging is matched after combining with upper forging bores connecting hole.
The material of the lower forging and upper forging is 27SiMn.
Lower forging and upper forging can also use sheet fabrication structure.
The hydraulic support smithwelding formula connector of the utility model, proposes using connection made of two forging Combination Weldings
Head scheme solves the problems, such as casting connection head rupture instead of original casting connector.
Specific embodiment:
As shown in Figure 2, Figure 3, Figure 4, using transient mode, smithwelding formula connector using upper and lower two kinds of forging (forging material:
27SiMn) Combination Welding forms, it is contemplated that forging cost problem need to ensure the simplification of forging, reduce the throwing of high die cost
Enter problem, by Optimal improvements forging technology, by forging die according to Fig. 2: the configuration design of (lower forging) and Fig. 3 (upper forging), under
The forging in face is produced convenient for filling and leading up the groove of welding with forging above, and forging above produces keel and increases intensity.
Forging processing can guarantee the continuity of metal fibrous tissue, and the fibr tissue of forging and forging shape is made to keep one
It causes, metal streamline is complete, it is ensured that there is part good mechanical property and long service life to use precision die forging, cold-extruded
The techniques such as pressure, Warm Extrusion production forging, be all casting it is incomparable.Implement weldering after upper and lower two forging are combined with each other
It connects, selects welding wire of the tensile strength not less than 700MPa to be welded between two pieces, welding stress is eliminated after welding, with brill
Connecting hole.The quality that Fig. 4 (smithwelding connector) not only ensures forge piece so is finally manufactured into, requirement is met, and
And the cost of raw material can also be greatly saved, improve production efficiency.
Smithwelding formula connector finite element analysis:
According to the needs of the actual size of connector and finite element analysis computation, smithwelding is established using PRO/E three-dimensional software
Model after three-dimension modeling, is imported analysis software ANSYS by the threedimensional model of formula connector, carries out grid dividing to model,
And then formation, to the analytical calculation of connector, operating condition of the connector in underground considers while calculating two kinds of situations of thrust and pulling force,
Pulling force presses 504KN herein, and for thrust presses 989KN, according to standard, when calculating loads according to 1.2 times of stress.It is connected by calculating
Head stress distribution situation analysis, can quickly determine the region of high stress distribution situation in the operating condition lower union joint, so as to
Quickly judge the dangerous position of connector, the result for calculating analysis tallies with the actual situation.By analysis, the forging can be determined
The feasibility of weldering formula connector.In order to which actual production provides effective foundation.
The utility model has the advantage that compared with traditional casting connector
Forge piece has good processing performance, and it is loose to eliminate the as cast condition that metal generates in smelting process by forging
The defects of, optimize heterogeneous microstructure, simultaneously because saving complete metal streamline, the mechanical performance of forging is generally preferred over together
The casting of sample material.Forge piece can guarantee higher intensity, better plasticity and toughness compared with cast member and plate cutting part.Forging
The service life of connector can be effectively improved by producing the basic part with keel more.It is tight that height, operating condition are loaded in associated mechanical
High important part, mostly uses forging.The smithwelding connector combined high-strength welding wire also can guarantee weld strength, effective solution
The connector breakage problem as caused by casting flaw and complicated underground geological conditions.
Specific embodiment trial-production is applied to the volume industrial examination that middle day closes wound Men Keqing coal mine 3101,3102 working faces
It tests, continues in progradation in working face, the smithwelding formula connector reliable performance, using effect significantly improves, so far without going out
Existing phenomenon of rupture.Ensure the normal exploitation of working face.The approval of user is obtained, before there is good popularizing action and development
Scape.The smithwelding formula connector has substituted preceding double rear double type casting connectors of my company completely at present, is widely used in timberer
Make resistance 12000KN or more, 5.5 meters of support height or more of complicated geological working face.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
Subject to the scope of protection of the claims.
Claims (4)
1. a kind of hydraulic support smithwelding formula connector, which is characterized in that connector and scratch board conveyor connecting pin use double ear knot
Structure, connector and push rod hyoplastron connecting pin also use ears structure, wherein with the ears structure of push rod hyoplastron connecting pin by upper forging
Part and lower forging Combination Welding form.
2. hydraulic support smithwelding formula connector according to claim 1, which is characterized in that the lower forging and upper forging
Joint surface edge is equipped with welding groove, and the back side of the upper forging is equipped with keel.
3. hydraulic support smithwelding formula connector according to claim 2, which is characterized in that the lower forging and upper forging group
With brill connecting hole after conjunction.
4. hydraulic support smithwelding formula connector according to claim 1,2 or 3, which is characterized in that the lower forging and upper
The material of forging is 27SiMn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177575.7U CN209483405U (en) | 2018-12-24 | 2018-12-24 | Hydraulic support smithwelding formula connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177575.7U CN209483405U (en) | 2018-12-24 | 2018-12-24 | Hydraulic support smithwelding formula connector |
Publications (1)
| Publication Number | Publication Date |
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| CN209483405U true CN209483405U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822177575.7U Active CN209483405U (en) | 2018-12-24 | 2018-12-24 | Hydraulic support smithwelding formula connector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711902A (en) * | 2019-11-22 | 2020-01-21 | 湖南高致精工机械有限公司 | Method and device for machining double-lug hinge forging |
-
2018
- 2018-12-24 CN CN201822177575.7U patent/CN209483405U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711902A (en) * | 2019-11-22 | 2020-01-21 | 湖南高致精工机械有限公司 | Method and device for machining double-lug hinge forging |
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