CN217177814U

CN217177814U - SKV female end joint of mining ultrahigh-pressure hose

Info

Publication number: CN217177814U
Application number: CN202220710491.9U
Authority: CN
Inventors: 高瑞峰; 杨海波; 王炳舒; 田彦明
Original assignee: Zhengzhou Saifu Fluid Technology Co ltd
Current assignee: Zhengzhou Saifu Fluid Technology Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-12
Anticipated expiration: 2032-03-30

Abstract

The utility model provides an SKV mining superhigh pressure hose female end connects, includes the core body that the central line set up along left and right sides direction, and core body excircle is equipped with the excircle sealing pair that annular groove and bead combined together, and core body right-hand member is equipped with the adapter sleeve with the central line, and the adapter sleeve internal diameter is greater than core body internal diameter, and core body and adapter sleeve structure as an organic whole are made through machining and are formed. The utility model discloses improve the connecting sleeve part of structure and be the female end that SKV connects, the positive end is directly connected and is the male end that SKV connects, and the connection between two root canals is only connected with the female end plug through the positive end that SKV connects, at last on the card staple bolt, the structure is simpler, and it is more convenient to operate, spare part still less, cost reduction, and weeping hidden danger position also reduces, and the fail safe nature strengthens greatly.

Description

SKV female end joint of mining ultrahigh-pressure hose

Technical Field

The utility model belongs to the technical field of mining fluid hose connects, concretely relates to female end joint of SKV mining superhigh pressure hose.

Background

The mining fluid hose is generally applied to various mining machines, hydraulic pump stations, hydraulic supports, coal mining machines and heading machines, all equipment with hydraulic system components can not be separated from the fluid hose, the support is just like a blood vessel in a human body, and plays a role in conveying and transmitting power (hydraulic oil) to other working parts (hydraulic oil cylinders), and the joints are located at two ends of the hose and are mainly used for connecting the hose with the hose and connecting the hose with a hydraulic element.

For low-pressure conventional small pipelines, two series of buckled-pressed joints DN and KJ are usually used for connection, and for high-pressure and ultrahigh-pressure large-diameter pipes, series of joints SKV and SSKV are used for connection. SKV joint is often used in the high-pressure line connection of some big pipes (the pipe diameter is more than 51 mm), has obvious difference in structure to the mining withhold joint of ordinary U type card, has become the screw thread by the boss on ordinary core on the core, has also increased a lock nut in the core front end, cooperates through direct connecting piece and SKV staple bolt in the use, and its connection performance and security performance all have huge promotion than ordinary joint, especially SKV joint is widely used in the heavy large-scale union coupling of high pressure, SKV connects installation and dismantlement simultaneously and is convenient.

SKV connection form hose assembly is widely used in hydraulic pump station pipeline connection and inter-support frame pipeline connection, and at present, the domestic SKV joint connection is similar to the male end form of a mine buckling and pressing straight joint, if two hoses need to be connected together, the two hoses need to be transited and straight to play a role of a bridge to connect the two hoses.

A transition straight-through part, two locking nuts and two anchor ears are needed for connecting a group of two SKV assemblies, so that the assembly is complicated, the cost of a pipeline system is increased, the pipeline maintenance is relatively complicated, the connection and the sealing performance of the pipeline system are influenced due to the addition of a group of straight-through parts and joints, the service life of the pipeline part is shortened due to the addition of one connection part, and a great improvement space exists in terms of long-term safety and short-term cost. Therefore, the development of a new SKV female end joint of the mining ultrahigh-pressure hose is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the weak point among the prior art, provide a simple structure, install and remove convenient and fast, the reliability is high, with low costs for SKV mining superhigh pressure hose female end joint.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an SKV mining superhigh pressure hose female end connects, includes the core body that the central line set up along left and right sides direction, and core body excircle is equipped with the excircle sealing pair that annular groove and bead combined together, and core body right-hand member is equipped with the adapter sleeve with the central line, and the adapter sleeve internal diameter is greater than core body internal diameter, and core body and adapter sleeve structure as an organic whole are made through machining and are formed.

The right end opening of the inner circle of the connecting sleeve is provided with an arc chamfer structure.

An annular groove is arranged on the outer circle of the right end of the core body, and the diameter of the bottom of the annular groove is larger than or equal to the inner diameter of the connecting sleeve.

The inner circle of the core body is provided with an annular step, the inner diameter of the core body on the right side of the annular step is smaller than that on the left side of the annular step, and the annular edge at the left end of the annular groove is flush with the annular step.

Adopt above-mentioned technical scheme, the utility model discloses a design comes from mining conventional DN and the connection thinking that the KJ connects, and the through joint of withholding is as positive end "bolt" (following called positive end through joint), the utility model discloses a negative end is as "socket", combines to withhold the structure of joint simultaneously, and the function that the through of originally regarding as the negative end had is integrated to whole core body on to set up the adapter sleeve in core body right-hand member an organic whole, in the adapter sleeve was inserted to positive end through joint left end, the seal groove has been seted up to positive end through joint left end excircle, be equipped with in the seal groove with the adapter sleeve interior round seal complex sealing washer, connect the ring channel on the core body and the left spacing groove of positive end through joint excircle at last through a staple bolt, with core body and the axial direction location of positive end through joint. This allows two pipes to be directly connected to each other without the need for intermediate transitional straight-through connections.

The right port of the inner circle of the connecting sleeve is provided with an arc chamfer structure, so that the left end of the male end straight-through joint can be conveniently inserted into the connecting sleeve.

The diameter of the groove bottom of the annular groove is larger than or equal to the inner diameter of the connecting sleeve, and the structure can prevent the wall thickness of the core body at the annular groove from being reduced to the greatest extent, so that the strength at the position is not reduced.

The inner diameter of the core body on the right side of the annular step is smaller than that on the left side of the annular step, the annular edge of the left end of the annular groove is flush with the annular step, and the hoop is arranged at the annular groove, so that the stress is large, and the structure is also used for increasing the wall thickness of the core body at the annular groove, so that the strength of the annular groove is not reduced.

To sum up, the utility model discloses improve the connecting sleeve part of structure and be the female end that SKV connects, the positive end direct joint is the male end that SKV connects, and the connection between two pipes is connected with the female end plug only through the male end that SKV connects, at last on the card staple bolt, the structure is simpler, and it is more convenient to operate, spare part still less, cost reduction, and weeping hidden danger position also reduces, and the fail safe nature strengthens greatly.

Drawings

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

fig. 2 is an assembly schematic diagram of the female and male straight-through connectors of the present invention.

Detailed Description

As shown in fig. 1 and 2, the utility model discloses a female end of SKV mining superhigh pressure hose connects, including the core body 1 that the central line set up along left right direction, 1 excircle of core body is equipped with the cylindrical seal that annular slot 2 and bead 3 combined together vice, and 1 right-hand member of core body is equipped with adapter sleeve 4 with the central line, and adapter sleeve 4 internal diameter is greater than 1 internal diameter of core body, and core body 1 forms through machining with adapter sleeve 4 structure as an organic whole.

The right end of the inner circle of the connecting sleeve 4 is provided with an arc chamfer structure 5.

An annular groove 6 is arranged on the outer circle of the right end of the core body 1, and the diameter of the bottom of the annular groove 6 is larger than or equal to the inner diameter of the connecting sleeve 4.

An annular step 7 is arranged on the inner circle of the core body 1, the inner diameter of the core body 1 on the right side of the annular step 7 is smaller than that of the core body 1 on the left side of the annular step 7, and the annular edge of the left end of the annular groove 6 is flush with the annular step 7.

The utility model discloses a design comes from mining conventional DN and the connection thinking that the KJ connects, and the direct joint of withholding is as positive end "bolt" (hereinafter called positive end direct joint 8), the utility model discloses a negative end is as "socket", combines the structure of withholding the joint simultaneously, and the function that the direct that originally has as the negative end is integrated to whole core body 1 on, and set up adapter sleeve 4 at 1 right-hand member an organic whole of core body, and the positive end direct joint 8 left end inserts in adapter sleeve 4, and the seal groove has been seted up to the positive end direct joint 8 left end excircle, be equipped with in the seal groove with adapter sleeve 4 interior round seal complex sealing washer 9, connect the left spacing groove 10 of ring channel 6 and the positive end direct joint 8 excircles on the core body 1 through a staple bolt at last, with the direct 8 axial direction location of core body 1 and positive end direct joint. This allows two pipes to be directly connected to each other without the need for intermediate transitional straight-through connections.

The right end of the inner circle of the connecting sleeve 4 is provided with an arc chamfer structure 5, so that the left end of the male end straight joint 8 can be conveniently inserted into the connecting sleeve 4.

The diameter of the groove bottom of the annular groove 6 is larger than or equal to the inner diameter of the connecting sleeve 4, and the structure can prevent the wall thickness of the core body 1 at the annular groove 6 from being reduced to the greatest extent, so that the strength at the position is not reduced.

The inner diameter of the core body 1 on the right side of the annular step 7 is smaller than that of the core body 1 on the left side of the annular step 7, the annular edge of the left end of the annular groove 6 is flush with the annular step 7, and due to the fact that the hoop is arranged at the position of the annular groove 6, the stress is large, and therefore the structure is also used for increasing the wall thickness of the core body 1 at the position of the annular groove 6, and the strength of the position is not reduced.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

Claims

1. The utility model provides a SKV mining superhigh pressure hose female end connects, includes the core body that the central line set up along left right direction, and the core body excircle is equipped with the sealed pair of excircle that annular slot and bead combined together, its characterized in that: the core body and the connecting sleeve are of an integral structure and are manufactured by machining.

2. The SKV female end connector of mining extra-high pressure hose as claimed in claim 1, wherein: the right end opening of the inner circle of the connecting sleeve is provided with an arc chamfer structure.

3. The SKV female end connector of mining extra-high pressure hose as claimed in claim 1 or 2, wherein: an annular groove is arranged on the outer circle of the right end of the core body, and the diameter of the bottom of the annular groove is larger than or equal to the inner diameter of the connecting sleeve.

4. The SKV female end connector of mining ultrahigh pressure hose as claimed in claim 3, wherein: the inner circle of the core body is provided with an annular step, the inner diameter of the core body on the right side of the annular step is smaller than that on the left side of the annular step, and the annular edge at the left end of the annular groove is flush with the annular step.