CN201444132U

CN201444132U - Hydraulic press end surface flat pusher device

Info

Publication number: CN201444132U
Application number: CN200920015431XU
Authority: CN
Inventors: 王桂民; 王国库; 秦东; 孙迎新; 王垚; 马露涛; 于祥顺
Original assignee: MCC LIAONING DRAGON PIPE INDUSTRIES Co Ltd
Current assignee: MCC LIAONING DRAGON PIPE INDUSTRIES Co Ltd
Priority date: 2009-07-15
Filing date: 2009-07-15
Publication date: 2010-04-28
Anticipated expiration: 2019-07-15

Abstract

The utility model relates to a hydraulic press pusher device which comprises a pusher, a pusher base, a pusher flange and a spring device, wherein the end surface of the pusher is flat, the back portion of the pusher is a half concave spherical surface, the upper portion of the pusher base is designed in a spherical surface which is matched with the back half concave spherical surface of the pusher, and the lower portion thereof is designed in an end surface flange, the pusher base and the pusher are in the clearance fit, the pusher flange is arranged between the pusher and the pusher base, and is fixed with the pusher through a bolt, and the spring device is respectively connected with the pusher and the pusher base. The hydraulic press pusher device has the advantages that as the pusher and the pusher base are in the clearance fit through the connection of the spherical surfaces, the pusher can universally rotate in the pusher base for making up the poor sealing between the end surface and the pusher caused by the oblique end surface of a steel pipe, the spring device arranged between the pusher and the pusher device enables the position of the end surface of the pusher to automatically adjust and restore automatically, and the hydraulic press pusher device is driven by a single cylinder, has simple structure, and saves space.

Description

Push head device with end face slab for water press

Technical field

The utility model relates to a kind of technical field of water pressure engine push head device, especially relates to a kind of push head device with end face slab for water press.

Background technology

The Pipe Hydrostatic Test machine is an imperative equipment on the welded still pipe production line.Carry with welded still pipe for oil gas, usually according to customer requirements, steel pipe is tested pressure by root, with the reliability of checking steel pipe pressure-bearing according to API SPEC 5L or GB9711 series standard.And cutting somebody's hair on the water pressure engine is the key device of sealing pressurize.The steel pipe hydrostatic tester push head device has a variety of both at home and abroad at present, 1), rope made of hemp groove cuts somebody's hair three kinds of structures is roughly arranged:, promptly cut somebody's hair and the headstock is a rigid attachment, the steel tube end part sealing combines with the embedded rope made of hemp of groove by steel tube end part fully, the shortcoming of this seal form is, many costs of quantity height of cutting somebody's hair of preparing, rope made of hemp waste is serious, and the pressurize effect is undesirable; 2), end face slab hydraulic cylinder rear pull type cuts somebody's hair, though the end face of cutting somebody's hair for dull and stereotyped, the rear portion of cutting somebody's hair needs four parallel cylinders and drives, this complex structure, requirement to the space is also many, and the complicated and control difficulty of the hydraulic control system of four compensating cylinders all reaches perfect condition and is difficult to.3), embedded external seal formula, need both sides feedwater pressurization, mostly be steel pipes with straight and adopt.

Summary of the invention

The purpose of this utility model is, provides a kind of simple in structure, easy to operate, can effectively guarantee the push head device with end face slab for water press of steel pipe end face incisal bevel sealing

The utility model is a kind of push head device with end face slab for water press, it is characterized in that comprising and cut somebody's hair, the pedestal of cutting somebody's hair, cut somebody's hair flange and spring assembly, the described end face of cutting somebody's hair is for dull and stereotyped, rear design becomes half concave spherical surface, the described pedestal upper design of cutting somebody's hair becomes the spherical shape that is complementary with rear portion half concave spherical surface of cutting somebody's hair, the bottom is designed to the end face flange, its pedestal of cutting somebody's hair is clearance fit with cutting somebody's hair, the flange of cutting somebody's hair is arranged on cuts somebody's hair and cuts somebody's hair between the pedestal, and by on the end face that is bolted to rear portion half concave spherical surface of cutting somebody's hair, spring assembly links with the pedestal of cutting somebody's hair and cut somebody's hair respectively.

Push head device with end face slab for water press of the present utility model, it is characterized in that described spring assembly is made up of guide rod, guide pin bushing, bolt, nut, adjustment nut and spring, the described guide rod and the thread connection of cutting somebody's hair, and fix by nut, described guide pin bushing is by being bolted on the pedestal of cutting somebody's hair, one end of spring is enclosed within on the guide rod, and the other end of spring is located in the guide pin bushing.

Described spring assembly is made up of guide rod, guide pin bushing, bolt, nut, adjustment nut and spring, the described guide rod and the thread connection of cutting somebody's hair, and fix by nut, described guide pin bushing is by being bolted on the pedestal of cutting somebody's hair, one end of spring is enclosed within on the guide rod, and the other end of spring is located in the guide pin bushing.

The utility model has the advantages that: the utility model has designed that to cut somebody's hair with the pedestal of cutting somebody's hair be the clearance fit form that sphere connects, cutting somebody's hair like this can universal rotation in the pedestal of cutting somebody's hair, with remedy the steel pipe end face cut the end face that oblique defective brings and cut somebody's hair between gapped deficiency.The spring assembly of cutting somebody's hair and cutting somebody's hair and being provided with between the pedestal can be adjusted the position of the end face of cutting somebody's hair automatically, automatically resets, and push head device with end face slab for water press adopts single cylinder to drive, simple in structure, saving space.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the enlarged drawing of spring assembly.

Embodiment

As shown in Figure 1, push head device with end face slab for water press of the present utility model, comprise cut somebody's hair 1, the pedestal 2 of cutting somebody's hair, the flange 3 of cutting somebody's hair, spring assembly 4.Described 1 end face of cutting somebody's hair is for dull and stereotyped, rear design becomes half concave spherical surface, described pedestal 2 upper design of cutting somebody's hair become the spherical shape that is complementary with rear portion half concave spherical surface of cutting somebody's hair, the bottom is designed to the end face flange, it is cut somebody's hair and 1 is clearance fit with the pedestal 2 of cutting somebody's hair, the flange 3 of cutting somebody's hair is arranged on cuts somebody's hair and cuts somebody's hair between the pedestal, and by on the end face that is bolted to 1 rear portion, half concave spherical surface of cutting somebody's hair, spring assembly 4 respectively with cut somebody's hair 1 and the pedestal 2 of cutting somebody's hair link.

As shown in Figure 2, push head device with end face slab for water press of the present utility model, described spring assembly is made up of guide rod 4-2, guide pin bushing 4-5, bolt 4-6, nut 4-1, adjustment nut 4-3 and spring 4-4, the described guide rod 4-2 and 1 thread connection of cutting somebody's hair, and fix by nut 4-1, described guide pin bushing 4-5 is fixed on the pedestal 1 of cutting somebody's hair by bolt 4-6, and the end of spring 4-4 is enclosed within on the guide rod 4-2, and the other end of spring 4-4 is located in the guide pin bushing 4-5.

Principle of work of the present utility model is: when steel pipe entered the pressure testing station, steel pipe end face and O-ring seal contacted with 1 end face of cutting somebody's hair of push head device with end face slab for water press; Hydraulic cylinder is implemented pretightning force subsequently; Cut somebody's hair 1 immediately along with an amount of swing is carried out in the locus of steel pipe end face, 1 the end face of cutting somebody's hair is adjusted the locus that steel pipe end face with it matches automatically, along with the increase of hydraulic cylinder pretightning force, has just reached cut somebody's hair 1 the end face and the effect of steel pipe butt-end packing.

Claims

1. push head device with end face slab for water press, it is characterized in that comprising cut somebody's hair, cut somebody's hair pedestal, the flange of cutting somebody's hair, and spring assembly, the described end face of cutting somebody's hair is for dull and stereotyped, rear design becomes half concave spherical surface, the described pedestal upper design of cutting somebody's hair becomes the spherical shape that is complementary with rear portion half concave spherical surface of cutting somebody's hair, the bottom is designed to the end face flange, its pedestal of cutting somebody's hair is clearance fit with cutting somebody's hair, the flange of cutting somebody's hair is arranged on cuts somebody's hair and cuts somebody's hair between the pedestal, and by on the end face that is bolted to rear portion half concave spherical surface of cutting somebody's hair, spring assembly links with the pedestal of cutting somebody's hair and cut somebody's hair respectively.

2. push head device with end face slab for water press according to claim 1, it is characterized in that described spring assembly is made up of guide rod, guide pin bushing, bolt, nut, adjustment nut and spring, the described guide rod and the thread connection of cutting somebody's hair, and fix by nut, described guide pin bushing is by being bolted on the pedestal of cutting somebody's hair, one end of spring is enclosed within on the guide rod, and the other end of spring is located in the guide pin bushing.