CN102161210A - Helical spring high pressure water pipe for high pressure water cutting machine having multi-degree of freedom - Google Patents
Helical spring high pressure water pipe for high pressure water cutting machine having multi-degree of freedom Download PDFInfo
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- CN102161210A CN102161210A CN 201110008635 CN201110008635A CN102161210A CN 102161210 A CN102161210 A CN 102161210A CN 201110008635 CN201110008635 CN 201110008635 CN 201110008635 A CN201110008635 A CN 201110008635A CN 102161210 A CN102161210 A CN 102161210A
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Abstract
The present invention provides a helical spring high pressure water pipe for a high pressure water cutting machine having multi-degree of freedom, wherein the water pipe belongs to a seamless metal pipe. From the output end of an ultrahigh pressure presser to the input end of a nozzle, the water pipe is winded with a helical spring structure at each joint position, and the axis of the helical spring structure is coincident with or parallel to or approximately parallel to the axis of the rotation or/and moving of the joint. The diameter or/and the number of loops of the helical spring structure is compatible with the rotation or/and moving scope of the joint. The water pipe is a stainless steel seamless pipe. With the helical spring structure, the high pressure water pipe can realize compatible angle change or length change while maintains the normal function of high pressure water conveying under the condition that the joint rotates or moves. The usage of the helical spring high pressure water pipe for the high pressure water cutting machine having the multi-degree of freedom can guarantee that the high pressure water pipe rotates or moves with the joint freely, no wear part exists, no leakage occurs, and technology performance of the high pressure water cutting machine having the multi-degree of freedom is improved.
Description
Technical field
The present invention relates to a kind of high-pressure water pipe, particularly a kind of helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine.
Background technology
The water under high pressure cutting machine is to utilize pressure to add to the above water of 410 MPas to penetrate the device that carries out cutting processing by the shower nozzle that has aperture, and the water under high pressure cutting machine utilizes pure water can cut soft material, adds abrasive material in water, can cut any hard material.The processing cost of water under high pressure cutting machine is low, machining accuracy and working (machining) efficiency height, and the process cleanliness without any pollution is one of best cutting method of combination property in the present machining field.In order to give full play to the advantage of water under high pressure cutting method; the water under high pressure cutting machine is generally made multivariant Numerical control cutting device; in order to make the water pipe of carrying water under high pressure in the water under high pressure cutting machine can rotate or move at the joint part of realizing each free degree; water pipe in the water under high pressure cutting machine need be provided with swivel joint or shift joint at each joint part; but swivel joint or shift joint are owing to exist the potted component of friction relatively; therefore the life-span under the high-pressure work state is not long; need often to shut down to keep in repair and change, had a strong impact on the performance of water under high pressure cutting machine.In order to prolong the maintenance cycle of water under high pressure cutting machine, some water under high pressure cutting machines utilize flexible high-pressure hose to replace swivel joint or shift joint to realize that water pipe is in the rotation of joint part or move, but because high-pressure hose is to adopt the flexible material manufacturing, although added enhancement measures such as wire sheathing, still there is easy deformation inevitably in high-pressure hose or breaks, obviously reduced the problems such as jet performance of water under high pressure, causes the water under high pressure transportation problem of multiple degrees of freedom water under high pressure cutting machine can't satisfactorily resolve always.
Summary of the invention
In order to solve the water under high pressure transportation problem of present multiple degrees of freedom water under high pressure cutting machine, realize water pipe long-life, leak free rotation or mobile, the present invention proposes a kind of helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, and the technical scheme that is adopted is:
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the input and the output that comprise water pipe and water pipe two ends, input is connected with the output perforation of the super-pressure pressurizer that multiple degrees of freedom water under high pressure cutting machine is provided with, output is connected with the input perforation of the shower nozzle that multiple degrees of freedom water under high pressure cutting machine is provided with, water pipe is a seamless metal pipe, water pipe begins from the output of super-pressure pressurizer, order through the joint of each rotation or/and the position at mobile place, joint up to the input of shower nozzle, position at each place, joint, water pipe all twines helical spring structure is set, the position of 2 members of the multiple degrees of freedom water under high pressure cutting machine that is connected respectively with the joint of rotating produces relative rotation, the arc radius corresponding change simultaneously of the helical spring structure corresponding with the position in the joint of rotating, the position of 2 members of the multiple degrees of freedom water under high pressure cutting machine that is connected respectively with the joint of moving produces and relatively moves, the pitch corresponding change simultaneously of the helical spring structure corresponding with the position in the joint of moving, the axis of helical spring structure, with the rotation in joint or/and mobile dead in line or parallel or almost parallel, the whole water pipes that comprise each helical spring structure connect continuously, and the pressure in the wall thickness of water pipe and the water pipe adapts.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, helical spring structure surrounds the lateral surface that is arranged on the joint, or the adjacent lateral surface that is arranged on the joint, or be arranged on the outside of joint along an end of axis, or be divided into 2 parts that perforation links to each other, be separately positioned on the outside of joint, 2 terminations of helical spring structure along the two ends of axis, with 2 members of the multiple degrees of freedom water under high pressure cutting machine that is connected respectively with corresponding joint, the position of helical spring structure, fixedly connected respectively.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the diameter of helical spring structure are rotated or/and the scope that moves adapts with the joint or/and the number of turns.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the position under the free state of the termination that helical spring structure rotates or moves with the joint, the centre position of the scope of rotating or moving with the joint adapts.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom water under high pressure cutting machine, the diameter of water pipe each several part is identical.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the latus rectum scope of water pipe are 4 millimeters to 18 millimeters.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the latus rectum of water pipe are 6 millimeters.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, water pipe are stainless steel seamless pipe or beryllium-bronze seamless pipe.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the material of stainless steel seamless pipe are the stainless steel that contains molybdenum.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the helical spring structure of water pipe is an overall structure with the remainder except that helical spring structure, or the helical spring structure of water pipe is a minute body structure with remainder except that helical spring structure, the helical spring structure of branch body structure connects with the remainder except that helical spring structure and is connected, connecting portion is provided with branch sleeve, branch sleeve is a seamless metal pipe, the material of branch sleeve is identical with the material of water pipe, the internal diameter of branch sleeve and the external diameter of water pipe adapt, pressure in the wall thickness of branch sleeve and the water pipe adapts, the water pipe to be connected and the branch sleeve of connecting portion both sides are straight tube structure, the water pipe to be connected of connecting portion both sides inserts in the branch sleeve and the end face contact, the end face welded seal of end face contact connects, the radial extension of the weld seam of welding, be positioned at the wall thickness range of water pipe to be connected, it is 1.5 times to 1.8 times of water pipe external diameter that the water pipe to be connected of connecting portion both sides inserts length in the branch sleeve, and the water pipe to be connected of connecting portion both sides is connected with slit welded seal between the branch sleeve.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine of the present invention, the technique effect that adopts technique scheme to obtain is:
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the input and the output that comprise water pipe and water pipe two ends, input is connected with the output perforation of the super-pressure pressurizer that multiple degrees of freedom water under high pressure cutting machine is provided with, output is connected with the input perforation of the shower nozzle that multiple degrees of freedom water under high pressure cutting machine is provided with, water pipe is a seamless metal pipe, water pipe begins from the output of super-pressure pressurizer, order through the joint of each rotation or/and the position at mobile place, joint up to the input of shower nozzle, in the joint of each rotation or/and the position at mobile place, joint, water pipe all twines helical spring structure is set, the position of 2 members of the multiple degrees of freedom water under high pressure cutting machine that is connected respectively with the joint of rotating produces relative rotation, the arc radius corresponding change simultaneously of the helical spring structure corresponding with the position in the joint of rotating, the position of 2 members of the multiple degrees of freedom water under high pressure cutting machine that is connected respectively with the joint of moving produces and relatively moves, the pitch corresponding change simultaneously of the helical spring structure corresponding with the position in the joint of moving, can rotate in the joint or/and under the situation about moving, pass through helical spring structure with the high-pressure water pipe that the corresponding seamless metal pipe of joint part constitutes, in the function that keeps normal conveying water under high pressure, can realize that also the angle that adapts changes or length changes.The axis of helical spring structure, with the rotation in joint or/and mobile dead in line or parallel or almost parallel, helical spring structure is only born or mainly bear single moment of torsion or single tension and compression stress, and do not bear complicated stress as far as possible, thereby improve the force-bearing situation of helical spring structure, prolong the working life of helical spring structure.The whole water pipes that comprise each helical spring structure connect continuously, can guarantee the smooth delivery of power of water under high pressure.Pressure in the wall thickness of water pipe and the water pipe adapts, and can guarantee the long-time safety of water pipe, carry water under high pressure reliably.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, helical spring structure surrounds the lateral surface that is arranged on the joint, can make the axis of helical spring structure and the dead in line that the joint is rotated or moved, make helical spring structure in the motion process in joint, only bear moment of torsion or the tension and compression stress coaxial with helical spring structure, the adjacent lateral surface that is arranged on the joint of helical spring structure, moment of torsion or tension and compression stress that helical spring structure is born in the motion process in joint are tried one's best near the axis of helical spring structure, reduce the traction action power that helical spring structure additionally is subjected to, improve force-bearing situation, prolong working life.Helical spring structure is arranged on the outside of joint along an end of axis, or be divided into 2 parts that connect to link to each other, be separately positioned on the outside of joint along the two ends of axis, can make the axis of moment of torsion that helical spring structure bears in the motion process in joint or tension and compression stress and helical spring structure coaxial, and reduce the traction action power that helical spring structure additionally is subjected to as far as possible, improve force-bearing situation, prolong working life.2 terminations of helical spring structure, fixedly connected respectively with 2 members of the multiple degrees of freedom water under high pressure cutting machine that is connected respectively with corresponding joint, the position of helical spring structure, can prevent the company of the water pipe between each helical spring structure
Connect part and be subjected to tractive or reverse to produce distortion, destroy the duty of water pipe, shorten the working life of water pipe.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the diameter of helical spring structure is or/and the number of turns, rotate or/and the scope that moves adapts with the joint, can make helical spring structure the arc radius rate of change or/and the rate of change of pitch in the associated diameters of helical spring structure or/and within the permissible value of the relevant number of turns, guarantee the normal rotation or the travelling performance of helical spring structure, prolong the working life of helical spring structure.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, position under the free state of the termination that helical spring structure rotates or moves with the joint, the centre position of the scope of rotating or moving with the joint adapts, can make the rotation of helical spring structure or the both sides of the free state lower end position that mobile scope is symmetrically distributed in helical spring structure, improve the stressed of helical spring structure and distortion situation, prolong the working life of helical spring structure.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the diameter of water pipe each several part is identical, the flow regime that can guarantee water under high pressure is steadily unobstructed, help bringing into play the premium properties of water under high pressure cutting machine, and the force-bearing situation of water pipe each several part is reached unanimity, prolong the working life of water pipe.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the latus rectum scope of water pipe are 4 millimeters to 18 millimeters, can guarantee the conveying effect of water under high pressure under the situation that does not produce excessive pressure loss.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the latus rectum of water pipe are 6 millimeters, can make the conveying of water under high pressure be in best synthetic operation state under common duty.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, water pipe are stainless steel seamless pipe, can make high-pressure water pipe under the duty of frequent alternate load, have good intensity, fatigue limit and decay resistance.Water pipe is the beryllium-bronze seamless pipe, can make high-pressure water pipe have very high intensity, elastic modelling quantity, fatigue limit and corrosion resistance, makes high-pressure water pipe have the excellent comprehensive performance.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the material of stainless steel seamless pipe are the stainless steel that contains molybdenum, can further improve the fatigue limit of helical spring high-pressure water pipe.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the helical spring structure of water pipe is an overall structure with the remainder except that helical spring structure, can make water pipe have best structural strength, improves service behaviour, prolongs working life.The helical spring structure of water pipe is the branch body structure with the remainder except that helical spring structure, and the helical spring structure of branch body structure connects with the remainder except that helical spring structure and is connected, and can make things convenient for the manufacturing work of water pipe, reduces difficulty of processing.Connecting portion is provided with branch sleeve, branch sleeve is a seamless metal pipe, the material of branch sleeve is identical with the material of water pipe, the internal diameter of branch sleeve and the external diameter of water pipe adapt, pressure in the wall thickness of branch sleeve and the water pipe adapts, the water pipe to be connected and the branch sleeve of connecting portion both sides are straight tube structure, the water pipe to be connected of connecting portion both sides inserts in the branch sleeve and the end face contact, the end face welded seal of end face contact connects, the radial extension of the weld seam of welding, be positioned at the wall thickness range of water pipe to be connected, length in the water pipe insertion branch sleeve to be connected of connecting portion both sides is 1.5 times to 1.8 times of water pipe external diameter, the water pipe to be connected of connecting portion both sides is connected with slit welded seal between the branch sleeve, can make to connect to process and have favorable manufacturability, be convenient to processing, end face connecting portion and water pipe all carry out welded seal with the slit between the branch sleeve and are connected, can reduce the pressure that the per pass weld seam bears, guarantee that connecting portion has enough intensity and sealing, satisfies job requirement.The radial extension of the weld seam of the end face welding of contact is positioned at the wall thickness range of water pipe to be connected, can avoid weld flush, influence the operation of water pipe insertion branch sleeve to be connected.
Use the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine of the present invention, can guarantee that high-pressure water pipe is freely rotated with the joint or move, no vulnerable part, can not produce leakage, can prolong the time between failures of multiple degrees of freedom water under high pressure cutting machine greatly, improve the technical performance of multiple degrees of freedom water under high pressure cutting machine.
Description of drawings
Accompanying drawing 1 is the structural representation that the multiple degrees of freedom water under high pressure cutting machine of helical spring high-pressure water pipe is not installed.
Accompanying drawing 2 is application structure schematic diagrames that are used for the helical spring high-pressure water pipe of multiple degrees of freedom water under high pressure cutting machine of the present invention.
Accompanying drawing 3 is connected mode schematic diagrames of the helical spring high-pressure water pipe of the branch body structure that is used for multiple degrees of freedom water under high pressure cutting machine of the present invention.
Sign implication in the accompanying drawing is as follows:
The 1-base, 2-the 1st rotary joint, 3-the 2nd rotary joint, 4-the 3rd rotary joint, 5-the 1st linear joint, 6-the 4th rotary joint, the 7-water pipe, 8-input, 9-output, 10-the 1st rotary joint helical spring structure, 11-the 2nd rotary joint helical spring structure, 12-the 3rd rotary joint helical spring structure, 13-the 1st linear joint helical spring structure, 14-the 4th rotary joint helical spring structure, the member that 15-is connected with the joint, 16-helical spring structure termination fixed mechanism, the water pipe that 17-is to be connected, the 18-branch sleeve, the 19-weld seam.
The specific embodiment
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine of the present invention, the water under high pressure that is used on the multiple degrees of freedom water under high pressure cutting machine is carried, a kind of structural representation of the multiple degrees of freedom water under high pressure cutting machine that the helical spring high-pressure water pipe is not installed as shown in Figure 1, from the base 1 that is used for fixing installation, to the position that shower nozzle is installed, be provided with the 1st rotary joint the 2, the 2nd rotary joint the 3, the 3rd rotary joint the 4, the 1st linear joint 5 and the 4th rotary joint 6 successively.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine of the present invention, structure as shown in Figure 2, the input 8 and the output 9 that comprise water pipe 7 and water pipe two ends, input 8 is connected with the output perforation of the super-pressure pressurizer that multiple degrees of freedom water under high pressure cutting machine is provided with, output 9 is connected with the input perforation of the shower nozzle that multiple degrees of freedom water under high pressure cutting machine is provided with, water pipe 7 is a seamless metal pipe, water pipe 7 connects input 8 beginnings of water pipe connecting 7 from the output with the super-pressure pressurizer, order is through the 1st rotary joint 2, the 2nd rotary joint 3, the 3rd rotary joint 4, the 1st linear joint 5 and the 4th rotary joint 6, up to connecting the output 9 of water pipe connecting 7 with the input of shower nozzle, position at each place, joint, water pipe 7 all twines corresponding helical spring structure is set, and comprises the 1st rotary joint helical spring structure 10, the 2nd rotary joint helical spring structure 11, the 3rd rotary joint helical spring structure 12, the 1st linear joint helical spring structure 13 and the 4th rotary joint helical spring structure 14.When the position of 2 members of the multiple degrees of freedom water under high pressure cutting machine that is connected respectively with the joint of rotating produces relative rotation, the arc radius corresponding change simultaneously of the helical spring structure corresponding with the position in the joint of rotating, when the position of 2 members of the multiple degrees of freedom water under high pressure cutting machine that is connected respectively with the joint of moving produces and relatively moves, the pitch corresponding change simultaneously of the helical spring structure corresponding with the position in the joint of moving.
The axis of each helical spring structure, with the rotation in joint or/and mobile dead in line or parallel or almost parallel.
The whole water pipes 7 that comprise each helical spring structure connect continuously.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, helical spring structure surrounds the lateral surface that is arranged on the joint, as the 1st rotary joint helical spring structure 10 and the 1st linear joint helical spring structure 13, or the adjacent lateral surface that is arranged on the joint, or be arranged on the outside of joint along an end of axis, as the 2nd rotary joint helical spring structure the 11, the 3rd rotary joint helical spring structure 12 and the 4th rotary joint helical spring structure 14, or be divided into 2 parts that perforation links to each other, be separately positioned on the outside of joint along the two ends of axis.2 terminations of helical spring structure, 2 members with the multiple degrees of freedom water under high pressure cutting machine that is connected respectively with corresponding joint, the position of helical spring structure, respectively fixedly connected, the helical spring structure termination fixed mechanism 16 in the accompanying drawing 2 is exactly the fixed support that the termination of helical spring structure is fixed in the member of the multiple degrees of freedom water under high pressure cutting machine that the joint connects.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the diameter of helical spring structure are rotated or/and the scope that moves adapts with the joint or/and the number of turns.Usually the angle of rotating big or mobile more distance in joint is big more, and the diameter of helical spring structure is big more or/and the number of turns is many more, and the less or mobile distance of the angle that rotate in the joint is less, and the diameter of helical spring structure can be less or/and the number of turns can be less.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, position under the free state of the termination that helical spring structure rotates or moves with the joint, the centre position of the scope of rotating or moving with the joint adapts, the position of the free state lower end of helical spring structure just is usually in the middle part of termination slewing area or moving range.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the diameter of water pipe each several part is identical usually.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the latus rectum scope of water pipe are generally 4 millimeters to 18 millimeters.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the latus rectum of the water pipe of recommendation are 6 millimeters.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom water under high pressure cutting machine, water pipe uses stainless steel seamless pipe usually.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, when the working life of water pipe was had relatively high expectations, the material selection of recommendation stainless steel seamless pipe contained the stainless steel of molybdenum.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, when the combination property that requires water pipe was higher, water pipe can be selected the beryllium-bronze seamless pipe for use.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the helical spring structure of preferred water pipe is an overall structure with the remainder except that helical spring structure.For simplified processing process, the helical spring structure of water pipe can be the split structure with the remainder except that helical spring structure, and the helical spring structure of branch body structure connects with the remainder except that helical spring structure and is connected.The connected mode of recommending as shown in Figure 3, connecting portion is provided with branch sleeve 18, branch sleeve 18 is a seamless metal pipe, the material of branch sleeve 18 is identical with the material of water pipe, the external diameter of the internal diameter of branch sleeve 18 and water pipe 7 adapts, pressure in the wall thickness of branch sleeve 18 and the water pipe 7 adapts, the water pipe to be connected 17 and the branch sleeve 18 of connecting portion both sides are straight tube structure, the water pipe to be connected 17 of connecting portion both sides inserts in the branch sleeve 18 and the end face contact, the end face welded seal of end face contact connects, the radial extension of the weld seam 19 of end face welding is positioned at the wall thickness range of water pipe to be connected 17.Length in the water pipe to be connected 17 insertion branch sleeves 18 of connecting portion both sides are 1.5 times to 1.8 times of water pipe 7 external diameters, the water pipe to be connected 17 of connecting portion both sides is connected the weld seam 19 of a kind of form of weld seam as shown in accompanying drawing 3 with slit welded seal between the branch sleeve 18.Welding manner can adopt argon arc welding.Divide under the situation of body structure, can also coniform or circular-arc sealing surface be set, adopt the form that is threaded that sealing surface is closely connected to realize the effect of pressure-resistant seal at the end face of the water pipe to be connected of connecting portion both sides.
The helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine of the present invention is not restricted to the described embodiments, and every principle of the present invention and mode utilized is through conversion and the formed technical scheme of replacement, all in this protection domain.
Claims (10)
1. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine, the input and the output that comprise water pipe and water pipe two ends, input is connected with the output perforation of the super-pressure pressurizer that multiple degrees of freedom water under high pressure cutting machine is provided with, output is connected with the input perforation of the shower nozzle that multiple degrees of freedom water under high pressure cutting machine is provided with, it is characterized in that: water pipe is a seamless metal pipe, described water pipe begins from the output of super-pressure pressurizer, order through the joint of each rotation or/and the position at mobile place, joint up to the input of shower nozzle, position at each place, described joint, described water pipe all twines helical spring structure is set, the position of 2 members that are used for multiple degrees of freedom water under high pressure cutting machine that are connected respectively with the joint of described rotation produces relative rotation, the arc radius corresponding change simultaneously of the described helical spring structure corresponding with the position in the joint of described rotation, the position of 2 members that are used for multiple degrees of freedom water under high pressure cutting machine that are connected respectively with described mobile joint produces and relatively moves, the pitch corresponding change simultaneously of the described helical spring structure corresponding with the position in described mobile joint, the axis of described helical spring structure, with the rotation in described joint or/and mobile dead in line or parallel or almost parallel, the whole water pipes that comprise each described helical spring structure connect continuously, and the pressure in the wall thickness of described water pipe and the described water pipe adapts.
2. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine according to claim 1, it is characterized in that: described helical spring structure surrounds the lateral surface that is arranged on described joint, or the adjacent lateral surface that is arranged on described joint, or be arranged on the outside of described joint along an end of axis, or be divided into 2 parts that connect to link to each other, be separately positioned on the outside of described joint along the two ends of axis, 2 terminations of described helical spring structure, with 2 members that are used for multiple degrees of freedom water under high pressure cutting machine that are connected respectively with corresponding described joint, the position of described helical spring structure, fixedly connected respectively.
3. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine according to claim 1 is characterized in that: the diameter of described helical spring structure rotates or/and the scope that moves adapts with described joint or/and the number of turns.
4. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine according to claim 1, it is characterized in that: described helical spring structure rotates with the joint or/and rotate or/and the centre position of the scope that moves adapts with described joint the position under the free state of the termination of moving.
5. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine according to claim 1, it is characterized in that: the diameter of described water pipe each several part is identical.
6. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine according to claim 1 is characterized in that: the latus rectum scope of described water pipe is 4 millimeters to 18 millimeters.
7. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine according to claim 6 is characterized in that: the latus rectum of described water pipe is 6 millimeters.
8. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine according to claim 1 is characterized in that: described water pipe is stainless steel seamless pipe or beryllium-bronze seamless pipe.
9. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine according to claim 8 is characterized in that: the material of described stainless steel seamless pipe is the stainless steel that contains molybdenum.
10. the helical spring high-pressure water pipe that is used for multiple degrees of freedom water under high pressure cutting machine according to claim 1, it is characterized in that: the helical spring structure of described water pipe is an overall structure with the remainder except that helical spring structure, or the helical spring structure of described water pipe is a minute body structure with remainder except that helical spring structure, the helical spring structure of branch body structure connects with the remainder except that helical spring structure and is connected, connecting portion is provided with branch sleeve, described branch sleeve is a seamless metal pipe, the material of described branch sleeve is identical with the material of described water pipe, the internal diameter of described branch sleeve and the external diameter of described water pipe adapt, pressure in the wall thickness of described branch sleeve and the described water pipe adapts, the water pipe to be connected and the described branch sleeve of described connecting portion both sides are straight tube structure, the water pipe to be connected of described connecting portion both sides inserts in the described branch sleeve and the end face contact, the end face welded seal of described end face contact connects, the radial extension of the weld seam of described welding, be positioned at the wall thickness range of described water pipe to be connected, it is 1.5 times to 1.8 times of described water pipe external diameter that the water pipe to be connected of described connecting portion both sides inserts length in the described branch sleeve, and the water pipe to be connected of connecting portion both sides is connected with slit welded seal between the described branch sleeve.
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| CN 201110008635 CN102161210B (en) | 2011-01-14 | 2011-01-14 | Helical spring high pressure water pipe for high pressure water cutting machine having multi-degree of freedom |
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| CN 201110008635 CN102161210B (en) | 2011-01-14 | 2011-01-14 | Helical spring high pressure water pipe for high pressure water cutting machine having multi-degree of freedom |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481334A (en) * | 2013-09-30 | 2014-01-01 | 哈尔滨博真科技有限公司 | High pressure water cutting device with displacement table structure |
| CN108871646A (en) * | 2018-06-28 | 2018-11-23 | 西安航天动力研究所 | A kind of bracket with Bidirectional freedom degree |
| JP2021017972A (en) * | 2019-07-24 | 2021-02-15 | トヨタ紡織株式会社 | Pipe structure |
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| CN202106423U (en) * | 2011-01-14 | 2012-01-11 | 重庆社平科技有限公司 | Spring high-pressure water pipe of multi-degree-of-freedom high-pressure water cutting machine |
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| JPH1190832A (en) * | 1997-07-24 | 1999-04-06 | Kajima Corp | Cutting/boring method and device with high-pressure jet water |
| JP2000202326A (en) * | 1999-01-13 | 2000-07-25 | Mitsubishi Heavy Ind Ltd | In-air cavitation jet nozzle |
| JP2004122336A (en) * | 2002-10-07 | 2004-04-22 | Babcock Hitachi Kk | Automatic cutting method and device for membrane structure |
| CN201279807Y (en) * | 2008-09-28 | 2009-07-29 | 东山县康力电池隔板有限公司 | Waterpower cutting apparatus of battery separator |
| CN202106423U (en) * | 2011-01-14 | 2012-01-11 | 重庆社平科技有限公司 | Spring high-pressure water pipe of multi-degree-of-freedom high-pressure water cutting machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481334A (en) * | 2013-09-30 | 2014-01-01 | 哈尔滨博真科技有限公司 | High pressure water cutting device with displacement table structure |
| CN103481334B (en) * | 2013-09-30 | 2015-07-08 | 哈尔滨博真科技有限公司 | High pressure water cutting device with displacement table structure |
| CN108871646A (en) * | 2018-06-28 | 2018-11-23 | 西安航天动力研究所 | A kind of bracket with Bidirectional freedom degree |
| JP2021017972A (en) * | 2019-07-24 | 2021-02-15 | トヨタ紡織株式会社 | Pipe structure |
| JP7241631B2 (en) | 2019-07-24 | 2023-03-17 | トヨタ紡織株式会社 | piping structure |
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| Publication number | Publication date |
|---|---|
| CN102161210B (en) | 2013-02-27 |
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