CN102161210B - 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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- CN102161210B CN102161210B CN 201110008635 CN201110008635A CN102161210B CN 102161210 B CN102161210 B CN 102161210B CN 201110008635 CN201110008635 CN 201110008635 CN 201110008635 A CN201110008635 A CN 201110008635A CN 102161210 B CN102161210 B CN 102161210B
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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 for the multiple degrees of freedom high-pressure water-cutting machine.
Background technology
High-pressure water-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 opening foraminate shower nozzle, and high-pressure water-cutting machine utilizes pure water can cut soft material, adds abrasive material in water, can cut any hard material.The processing cost of high-pressure water-cutting machine is low, and machining accuracy and working (machining) efficiency are high, 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; high-pressure water-cutting machine is generally made multivariant Numerical control cutting device; for the water pipe that makes conveying high-pressure water in the high-pressure water-cutting machine can rotate or move at the joint part of realizing each free degree; water pipe in the high-pressure water-cutting machine need to arrange swivel joint or shift joint at each joint part; but swivel joint or shift joint are owing to existing the relatively potted component of friction; 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 high-pressure water-cutting machine.In order to prolong the maintenance cycle of high-pressure water-cutting machine, some high-pressure water-cutting machines utilize flexible high-pressure hose to replace swivel joint or shift joint to realize that water pipe is in rotation or the movement of joint part, but because high-pressure hose is to adopt the flexible material manufacturing, although added the enhancement measures such as wire sheathing, still there are the problems such as jet performance of easily being out of shape or breaking, obviously reduced water under high pressure inevitably in high-pressure hose, causes the water under high pressure transportation problem of multiple degrees of freedom high-pressure water-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 high-pressure water-cutting machine, realize water pipe long-life, leak free rotation or movement, the present invention proposes a kind of helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-cutting machine, and the technical scheme that adopts is:
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-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 the multiple degrees of freedom high-pressure water-cutting machine arranges, output is connected with the input perforation of the shower nozzle that the multiple degrees of freedom high-pressure water-cutting machine arranges, water pipe is seamless metal pipe, water pipe is from the output of super-pressure pressurizer, order through the joint of each rotation or/and the position at mobile place, joint until 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 high-pressure water-cutting machine that is connected respectively with the joint of rotating produces relative rotation, the simultaneously corresponding change of arc radius 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 high-pressure water-cutting machine that is connected respectively with mobile joint produces and relatively moves, the simultaneously corresponding change of pitch 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 the multiple degrees of freedom high-pressure water-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 joint along the outside of an end of axis, or be divided into 2 parts that perforation links to each other, be separately positioned on the joint along the outside at the two ends of axis, 2 terminations of helical spring structure, 2 members of the multiple degrees of freedom high-pressure water-cutting machine that connects respectively with the joint corresponding with the position of helical spring structure are fixedly connected with respectively.
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-cutting machine, the diameter of helical spring structure or/and the number of turns rotate or/and mobile scope adapts with the joint.
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-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 high-pressure water-cutting machine, the diameter of water pipe each several part is identical.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, the latus rectum scope of water pipe is 4 millimeters to 18 millimeters.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, the latus rectum of water pipe is 6 millimeters.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, water pipe is stainless steel seamless pipe or beryllium-bronze seamless pipe.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, the material of stainless steel seamless pipe is the stainless steel that contains molybdenum.
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-cutting machine, the helical spring structure of water pipe is overall structure with the remainder except helical spring structure, or the helical spring structure of water pipe is Split type structure with remainder except helical spring structure, the helical spring structure of Split type structure connects with the remainder except helical spring structure and is connected, connecting portion arranges branch sleeve, branch sleeve is 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, 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 end contact, the end face welded seal of end 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.
Helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-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 the multiple degrees of freedom high-pressure water-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 the multiple degrees of freedom high-pressure water-cutting machine arranges, output is connected with the input perforation of the shower nozzle that the multiple degrees of freedom high-pressure water-cutting machine arranges, water pipe is seamless metal pipe, water pipe is from the output of super-pressure pressurizer, order through the joint of each rotation or/and the position at mobile place, joint until 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 high-pressure water-cutting machine that is connected respectively with the joint of rotating produces relative rotation, the simultaneously corresponding change of arc radius 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 high-pressure water-cutting machine that is connected respectively with mobile joint produces and relatively moves, the simultaneously corresponding change of pitch of the helical spring structure corresponding with the position in the joint of moving, can move in the situation that the joint rotates, the high-pressure water pipe that the seamless metal pipe corresponding with joint part consists of is passed through helical spring structure, in the function that keeps normal conveying high-pressure water, can realize that also the Angulation changes or the length that adapt change.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, conveying high-pressure water reliably.
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-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, can make moment of torsion that helical spring structure bears in the motion process in joint or tension and compression stress as far as possible near the axis of helical spring structure, reduce the traction action power that helical spring structure additionally is subject to, improve force-bearing situation, prolong working life.Helical spring structure is arranged on the joint along the outside of an end of axis, or be divided into 2 parts that connect to link to each other, be separately positioned on the joint along the outside at 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 subject to as far as possible, improve force-bearing situation, prolong working life.2 terminations of helical spring structure, 2 members of the multiple degrees of freedom high-pressure water-cutting machine that connects respectively with the joint corresponding with the position of helical spring structure are fixedly connected with respectively, 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 the multiple degrees of freedom high-pressure water-cutting machine, the diameter of helical spring structure is or/and the number of turns, rotate or/and mobile scope 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 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 the multiple degrees of freedom high-pressure water-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 that mobile scope is symmetrically distributed in the free state lower end position of helical spring structure, improve the force and deformation situation of helical spring structure, prolong the working life of helical spring structure.
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-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, be conducive to bring into play the premium properties of high-pressure water-cutting machine, and the force-bearing situation of water pipe each several part is reached unanimity, prolong the working life of water pipe.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, the latus rectum scope of water pipe is 4 millimeters to 18 millimeters, can in the situation that does not produce excessive pressure loss, guarantee the conveying effect of water under high pressure.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, the latus rectum of water pipe is 6 millimeters, can under common duty, make the conveying of water under high pressure be in best synthetic operation state.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, water pipe is stainless steel seamless pipe, can make high-pressure water pipe under the duty of frequent alternate load, has 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 excellent combination property.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, the material of stainless steel seamless pipe is 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 the multiple degrees of freedom high-pressure water-cutting machine, the helical spring structure of water pipe is overall structure with the remainder except 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 Split type structure with the remainder except helical spring structure, and the helical spring structure of Split type structure connects with the remainder except helical spring structure and is connected, and can make things convenient for the manufacturing work of water pipe, reduces difficulty of processing.Connecting portion arranges branch sleeve, branch sleeve is 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, 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 end contact, the end face welded seal of end 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 good 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, affect the operation of water pipe insertion branch sleeve to be connected.
Use the helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-cutting machine of the present invention, can guarantee that high-pressure water pipe is freely rotated with the joint or movement, without vulnerable part, can not produce leakage, can greatly prolong the time between failures of multiple degrees of freedom high-pressure water-cutting machine, improve the technical performance of multiple degrees of freedom high-pressure water-cutting machine.
Description of drawings
Accompanying drawing 1 is the structural representation that the multiple degrees of freedom high-pressure water-cutting machine of helical spring high-pressure water pipe is not installed.
Accompanying drawing 2 is application structure schematic diagrames of the helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-cutting machine of the present invention.
Accompanying drawing 3 is connected mode schematic diagrames of the helical spring high-pressure water pipe of the Split type structure for the multiple degrees of freedom high-pressure water-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
Helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-cutting machine of the present invention, the water under high pressure that is used on the multiple degrees of freedom high-pressure water-cutting machine is carried, a kind of structural representation of the multiple degrees of freedom high-pressure water-cutting machine that the helical spring high-pressure water pipe is not installed as shown in Figure 1, from being used for hard-wired base 1, to the position of mounting spray head, be provided with successively 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.
Helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-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 the multiple degrees of freedom high-pressure water-cutting machine arranges, output 9 is connected with the input perforation of the shower nozzle that the multiple degrees of freedom high-pressure water-cutting machine arranges, water pipe 7 is seamless metal pipe, water pipe 7 is from the input 8 of the water pipe 7 that is connected with the output perforation of 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, until the output 9 of the water pipe 7 that is connected with the input perforation 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 high-pressure water-cutting machine that is connected respectively with the joint of rotating produces relative rotation, the simultaneously corresponding change of arc radius 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 high-pressure water-cutting machine that is connected respectively with mobile joint produces and relatively moves, the simultaneously corresponding change of pitch of the helical spring structure corresponding with the position in mobile joint.
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 the multiple degrees of freedom high-pressure water-cutting machine, helical spring structure surrounds the lateral surface that is arranged on the joint, such 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 joint along the outside of an end of axis, such as the 2nd rotary joint helical spring structure 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 joint along the outside at the two ends of axis.2 terminations of helical spring structure, 2 members of the multiple degrees of freedom high-pressure water-cutting machine that connects respectively with the joint corresponding with the position of helical spring structure, be fixedly connected with respectively, helical spring structure termination fixed mechanism in the accompanying drawing 2 16 is exactly the fixed support that the termination of helical spring structure is fixed in the member of the multiple degrees of freedom high-pressure water-cutting machine that the joint connects.
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-cutting machine, the diameter of helical spring structure or/and the number of turns rotate or/and mobile scope adapts with the joint.Usually the angle of joint rotation distance larger or that move is larger, and the diameter of helical spring structure is larger or/and the number of turns is more, and the angle that rotate in joint distance less or that move 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 the multiple degrees of freedom high-pressure water-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 namely is usually in the middle part of termination slewing area or moving range.
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-cutting machine, the diameter of water pipe each several part is identical usually.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, the latus rectum scope of water pipe is generally 4 millimeters to 18 millimeters.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, the latus rectum of the water pipe of recommendation is 6 millimeters.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, water pipe uses stainless steel seamless pipe usually.
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-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.
Be used for the helical spring high-pressure water pipe of multiple degrees of freedom high-pressure water-cutting machine, when the combination property that requires water pipe was higher, water pipe can be selected the beryllium-bronze seamless pipe.
The helical spring high-pressure water pipe that is used for the multiple degrees of freedom high-pressure water-cutting machine, the helical spring structure of preferred water pipe is overall structure with the remainder except helical spring structure.For simplified processing process, the helical spring structure of water pipe can be Split type structure with the remainder except helical spring structure, and the helical spring structure of Split type structure connects with the remainder except helical spring structure and is connected.The connected mode of recommending as shown in Figure 3, connecting portion arranges branch sleeve 18, branch sleeve 18 is 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, 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 end contact, the end face welded seal of end 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 a kind of form of weld seam weld seam 19 as shown in Figure 3 with slit welded seal between the branch sleeve 18.Welding manner can adopt argon arc welding.In the situation of Split type structure, can also coniform or circular-arc sealing surface be set at the end face of the water pipe to be connected of connecting portion both sides, adopt the form that is threaded that sealing surface is closely connected to realize the effect of pressure-resistant seal.
Helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-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 the multiple degrees of freedom high-pressure water-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 the multiple degrees of freedom high-pressure water-cutting machine arranges, output is connected with the input perforation of the shower nozzle that the multiple degrees of freedom high-pressure water-cutting machine arranges, it is characterized in that: water pipe is seamless metal pipe, described water pipe is from the output of super-pressure pressurizer, order through the joint of each rotation or/and the position at mobile place, joint until 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 the multiple degrees of freedom high-pressure water-cutting machine that are connected respectively with the joint of described rotation produces relative rotation, the simultaneously corresponding change of arc radius 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 the multiple degrees of freedom high-pressure water-cutting machine that are connected respectively with the joint of described movement produces and relatively moves, the simultaneously corresponding change of pitch of the described helical spring structure corresponding with the position in the joint of described movement, 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 for the multiple degrees of freedom high-pressure water-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 described joint along the outside of an end of axis, or be divided into 2 parts that connect to link to each other, be separately positioned on described joint along the outside at the two ends of axis, 2 terminations of described helical spring structure, 2 members that are used for the multiple degrees of freedom high-pressure water-cutting machine with the described joint corresponding with the position of described helical spring structure connects respectively are fixedly connected with respectively.
3. the helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-cutting machine according to claim 1 is characterized in that: the diameter of described helical spring structure or/and the number of turns rotate or/and mobile scope adapts with described joint.
4. the helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-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 mobile scope adapts with described joint the position under the free state of mobile termination.
5. the helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-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 for the multiple degrees of freedom high-pressure water-cutting machine according to claim 1, it 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 for the multiple degrees of freedom high-pressure water-cutting machine according to claim 6, it is characterized in that: the latus rectum of described water pipe is 6 millimeters.
8. the helical spring high-pressure water pipe for the multiple degrees of freedom high-pressure water-cutting machine according to claim 1, it 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 for the multiple degrees of freedom high-pressure water-cutting machine according to claim 8, it 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 for the multiple degrees of freedom high-pressure water-cutting machine according to claim 1, it is characterized in that: the helical spring structure of described water pipe is overall structure with the remainder except helical spring structure, or the helical spring structure of described water pipe is Split type structure with remainder except helical spring structure, the helical spring structure of Split type structure connects with the remainder except helical spring structure and is connected, connecting portion arranges branch sleeve, described branch sleeve is 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, 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 end contact, the end face welded seal of described end 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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| 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 |
| CN108871646B (en) * | 2018-06-28 | 2020-11-20 | 西安航天动力研究所 | Support with two-way degree of freedom |
| JP7241631B2 (en) * | 2019-07-24 | 2023-03-17 | トヨタ紡織株式会社 | piping structure |
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| JP2955755B2 (en) * | 1997-07-24 | 1999-10-04 | 鹿島建設株式会社 | High pressure jet water cutting or drilling equipment |
| 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 |
-
2011
- 2011-01-14 CN CN 201110008635 patent/CN102161210B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102161210A (en) | 2011-08-24 |
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