CN1287599A - Method and device for assembling hydraulic shock absorber - Google Patents
Method and device for assembling hydraulic shock absorber Download PDFInfo
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- CN1287599A CN1287599A CN 99801825 CN99801825A CN1287599A CN 1287599 A CN1287599 A CN 1287599A CN 99801825 CN99801825 CN 99801825 CN 99801825 A CN99801825 A CN 99801825A CN 1287599 A CN1287599 A CN 1287599A
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- gas
- hydraulic buffer
- urceolus
- head
- sealing component
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3271—Assembly or repair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/005—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by expanding or crimping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/14—Suspension elements of automobile vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
An assembling device 10 for a hydraulic shock absorber 1, wherein the top part of an outer tube 2 of the hydraulic shock absorber 1 is held by a gas-sealed head 31, a sealing member 6 temporarily attached sealingly to the hydraulic shock absorber 1 is pushed upward above the upper end of the outer tube 2 by a vacuum sucking force of a vacuum head 32, the gas of a specified pressure is sealed into the hydraulic shock absorber 1 through a gas feed path 49 in the gas-sealed head 31, the sealing member 6 is held pressingly on an inner tube 3 at an upper end regular assembly position by the vacuum head 32, the gas-sealed head 31 is moved upward from the upper part of the outer tube 2, and the upper end of the outer tube 2 is deformed in inner radial direction by a caulking device 33 so as to install the sealing member 6 at the regular assembly position.
Description
Technical field
The present invention relates to the assembling method and the device of hydraulic buffer.
Background technique
In the prior art, Japanese kokai publication sho 63-219931 communique (prior art 1) or Japanese Patent Publication 61-16839 communique (prior art 2) have disclosed the assembling method of hydraulic buffer, this method is to form accumulator and gas compartment between the inner/outer tube of hydraulic buffer, seals up the top of inner/outer tube with sealing component.
In the above-mentioned prior art 1, week in the urceolus top of hydraulic buffer, leave and be assembled into sealing component with gap, gas is enclosed the gas of the predetermined pressure of head supply, in the top of urceolus, week enclose hydraulic buffer with the gap of sealing component, then, the top that makes urceolus is fixed the sealing component in the above-mentioned gap of sealing hermetically towards the distortion of internal diameter direction.
In the above-mentioned prior art 2, anchor clamps are inserted the sealing lip inboard of sealing component (the sealing member will seal up in the top of hydraulic buffer urceolus in week normally), with these anchor clamps sealing lip is opened towards the radial direction expansion, form gas and import path, import path by this gas the gas of predetermined pressure is enclosed hydraulic buffer, gas is enclosed the back and by the recuperability of sealing lip the gas seal of above-mentioned inclosure is lived.
But, in the prior art 1, in the process that hydraulic buffer is transported toward assembling device, owing to gapped between week in the urceolus top of hydraulic buffer and the sealing component, foreign matter may be invaded hydraulic buffer inside from this gap, and the lid of closing this gap must be set.
In the prior art 2, the sealing lip of the sealing component of sealing oil compression buffer is normally being expanded when opening, can damage the sealing lip of sealing component, influencing quality with anchor clamps.
The summary of the invention summary
The assembling method and the device that the purpose of this invention is to provide a kind of hydraulic buffer, it is in the assembling process of hydraulic buffer, can prevent foreign matter intrusion hydraulic buffer inside, does not damage sealing component, part management can be carried out simply, and the assembling quality of hydraulic buffer can be guaranteed.
Hydraulic buffer assembling method of the present invention between the inner/outer tube of hydraulic buffer, forms the gas compartment of accumulator and its top, with the top of sealing component sealing inner/outer tube; It is characterized in that,
Oil is filled in the hydraulic buffer, week is being sealed sealing component provisionally in the top of urceolus, maintain the top of the urceolus of this hydraulic buffer, employing has gas and encloses head, vacuum head, the assembling device of hold down gag, enclose the top that head maintains the urceolus of this hydraulic buffer with gas, pull of vacuum with vacuum head, the sealing component that temporarily is enclosed on the hydraulic buffer is mentioned toward the top from the upper end of urceolus, enclose the vent passage of head encloses the gas of predetermined pressure in the hydraulic buffer from gas, the sealing component pushing is remained on the regular assembling position in upper end of inner core with vacuum head, gas is enclosed head to be moved upward from urceolus top, the upper end that makes urceolus with hold down gag is installed to regular assembling position towards the distortion of internal diameter direction with sealing component; Above-mentioned gas is enclosed head and is maintained the top of the urceolus of hydraulic buffer, and has the vent passage of gas being enclosed hydraulic buffer; Above-mentioned vacuum head is contained in gas and encloses in the head, has the suction feed road to the upper space effect pull of vacuum that is enclosed in the sealing component on the hydraulic buffer temporarily, and sealing component is pressed to the regular assembling position of inner core upper end in urceolus; Above-mentioned hold down gag is configured in the outside of hydraulic buffer, and the upper end that makes urceolus is installed to regular assembling position towards the distortion of internal diameter direction with sealing component.
In addition, hydraulic buffer assembling device of the present invention between the inner/outer tube of hydraulic buffer, forms the gas compartment of accumulator and its top, with the top of sealing component sealing inner/outer tube; It is characterized in that,
Oil is filled in the hydraulic buffer, week is being sealed sealing component provisionally in the top of urceolus, maintain the top of the urceolus of this hydraulic buffer, simultaneously, have gas and enclose head, vacuum head and hold down gag, enclose the urceolus top that head maintains hydraulic buffer with gas, pull of vacuum with vacuum head, the sealing component that temporarily is enclosed on the hydraulic buffer is mentioned toward the top from the upper end of urceolus, enclose the vent passage of head encloses the gas of predetermined pressure in the hydraulic buffer from gas, the sealing component pushing is remained on the regular assembling position in upper end of inner core with vacuum head, gas is enclosed head to be moved upward from urceolus top, the upper end that makes urceolus with hold down gag is installed to regular assembling position towards the distortion of internal diameter direction with sealing component; Above-mentioned gas is enclosed head and is had the vent passage of gas being enclosed hydraulic buffer; Above-mentioned vacuum head is contained in gas and encloses in the head, has the suction feed road to the upper space effect pull of vacuum that is enclosed in the sealing component on the hydraulic buffer temporarily, and sealing component is pressed to the regular assembling position of inner core upper end in urceolus; Above-mentioned hold down gag is configured in the outside of hydraulic buffer, and the upper end that makes urceolus is installed to regular assembling position towards the distortion of internal diameter direction with sealing component.
The accompanying drawing simple declaration
Fig. 1 is the ideograph of expression assembling device, (A) is front elevation, (B) is profile.
Fig. 2 is that the major component of expression hydraulic buffer is dissectd front elevation.
Fig. 3 is the sectional view that the hydraulic buffer of expression assembling device is provided with state.
Fig. 4 is the sectional view that surplus is measured state that compresses of expression assembling device.
Fig. 5 is the sectional view that the gas of expression assembling device is enclosed state.
Fig. 6 is the sectional view of the impaction state of expression assembling device.
Fig. 7 is the sectional view of the performance evaluation state of expression assembling device.
The optimal morphology that carries out an invention
The assembling device 10 of Fig. 1 is enclosed hydraulic buffer 1 with gas and is sealed.Hydraulic buffer 1 as shown in Figure 2, in the urceolus 2 that bottom tube-like is arranged, insert inner core 3, in inner core 3, insert slidably piston rod 4, the upper end of the inner core 3 in urceolus 2, bar guide member 5, sealing component (oil sealing) 6, end plate 7 are installed, with these bar guide members 5 of assembling device 10 assembling finishing back, sealing component 6, end plate 7, they are maintained with the upper end compressed part 2A of urceolus 2.At this moment, hydraulic buffer 1 as the grease chamber, has been full of oil with the inside of inner core 3, between urceolus 2 and inner core 3, forms the gas compartment of accumulator and its top, with above-mentioned sealing component 6 with the top seal of urceolus 2 and inner core 3 firmly.In the hydraulic buffer 1, on bar guide member 5, be provided with to break-through way to cycle oil 8, when hydraulic buffer 1 carries out expanding-contracting action, scrape the oil that brings out from the grease chamber of inner core 3 along with piston rod 4 with the sealing lip of sealing component 6, the oil under this scrapes can turn back to accumulator between urceolus 2 and the inner core 3 from way to cycle oil 8.
Assembling device 10 has hydraulic buffer support 11, gas inclosure portion 12 and hydraulic buffer performance evaluation portion 13 on its column 10A.
Hydraulic buffer support 11 has grip block 22, this grip block 22 can move up and down along the slip guide member 21 that is located at column 10A front, make this grip block 22 liftings by gripper cylinder 23, the hydraulic buffer 1 of direct bearing on grip block 22 can be positioned at gas and enclose job position, enclose job position at this gas, gas inclosure portion 12 is enclosed on the top of urceolus 2.At this moment, in the hydraulic buffer 1, though being pressed into, barre guide member 5 is fixed in the urceolus 2, but week is that the upper end compressed part 2A of the state of temporarily sealing sealing component 6 (though the gap that does not have foreign matter to invade between the interior week of sealing component of sealing 6 and urceolus 2 temporarily, sealing component 6 can slide with respect to urceolus 2 under external force) urceolus 2 is still undressed in the top of urceolus 2.
Gas is enclosed 31 and is had outer dress cylinder 41, should outer dress cylinder 41 be installed in airtightly adorn in the aftermentioned of vacuum head 32 (these vacuum head 32 hangings are on by the lifting board 35 of lift cylinder 36 liftings) cylinder 51 around, piston 42 by interior dress cylinder 51 peripheries that are fixed on vacuum head 32, air chamber 43A and following air chamber 43B will be divided in the urceolus cylinder 41, the pneumatics supply passage 45 that links to each other with the set air compressing device 44 of lifting board 35 1 sides is contained in the outer dress cylinder 41, this pneumatics supply passage 45 is switchably linked to each other with following air chamber 43B with last air chamber 43A.Hydraulic buffer 1 being positioned at gas at hydraulic buffer support 11 encloses job position, pushes as described later at vacuum head 32 under the state of the end plate 7 that keeps hydraulic buffer 1, gas is enclosed 31 air pressure is supplied with air chamber 43B (going up air chamber 43A to atmosphere opening) down, around vacuum head 32, move downwards, keep the top of the urceolus 2 of hydraulic buffer 1 by front end holding part 31A.At this moment, gas encloses 31, the O circle 46 in the interior week of front end holding part 31A is connected airtight with the upper periphery of urceolus 2, and, the stepped part 31B that is located at week in the front end holding part 31A joins with the upper-end surface of urceolus 2, and the inner peripheral surface above the stepped part 31B of the inner peripheral surface of urceolus 2 and gas inclosure 31 flushes (Fig. 4 (B)).
Hanging supporting on the lifting board 35 of vacuum head 32, be provided with the height finderheigt indicator 47 (Fig. 4 (A)) of dial type indicator etc., height finderheigt indicator 47 can be measured and enclose a relative position of 31 with respect to the gas of vacuum head 32.The stepped part 31B that encloses a front end holding part 31A of 31 at gas joins with the upper-end surface of urceolus 2, the front end of vacuum head 32 pushes and keeping under the state (Fig. 4 (B)) of end plate 7, height finderheigt indicator 47 can measure the upper end portion of urceolus 2 with respect to the overhang of end plate 7, be urceolus 2 compress surplus H.
Gas is enclosed in 31 and is provided with gas passageway 49, this path 49 is connected with the gas supply device 48 that is located at lifting board 35 sides, like this, under the state vacuum head 32 is mentioned sealing component 6 as described later from the upper end of urceolus 2 above, gas enclose 31 gas supply device 48 gas supplied from the gas passageway 49 tops of guiding to urceolus, again in the oil circuit 8 inclosure urceolus 2 and the gas compartment between the inner core 3 from the bar guide member 5.
Vacuum head 32 (a) is pushed decline when keeping end plate 7 by lift cylinder 36 lifting as described below in order to measure the compressing surplus of urceolus 2; (b) for sealing component 6 is mentioned gas enclose 31 inner peripheral surface gas passageway 49 the top, open end and promote earlier; (c) after gas is enclosed urceolus 2 tops, descend when sealing component 6, end plate 7 pushings being remained on the regular assembling position of upper end of inner core 3 in the inside of urceolus 2.
Hold down gag 33 is by bearing, be fixed in the support up and down that compresses stand 37 of column 10A front, supporting solid of rotation 61.Solid of rotation 61 and gas enclose 31, vacuum head 32 arranged coaxial, pass through belt drives by revolution motor 62.61A is a belt pulley.Solid of rotation 61 is by rotatably mounted 3 rollers 63 that uniformly-spaced dispose along circumference of bearing, is rotated around the upper end of the urceolus 2 of hydraulic buffer 1.Solid of rotation 61 has the cam member 64 that is slided up and down by shift fork 66, and above-mentioned shift fork 66 is swung up and down by cam lift cylinder 65.The camming surface 64A of cam member 64 is engaged with the pin 63A of each roller 63,, make each roller 63 from the upper end advance and retreat of original position with respect to urceolus 2 by moving up and down of cam member 64.In addition, shift fork 66 is swung up and down around swing fulcrum 67, the cam follower 66A of front end is engaged with the peripheral groove 66B of cam member 64 peripheries, cam member 64 is slided up and down.
Each roller 63 is advanced towards the position that faces urceolus 2 upper-end surfaces and making under the state of solid of rotation 61 rotations, with above-mentioned gripper cylinder 23 grip block 22 is risen, 1 of hydraulic buffer fixed on compress job position, bump on the roll surface of each roller 63 by the upper-end surface that makes urceolus 2, the predetermined impacting force of upper end effect to urceolus 2, the upper end that makes urceolus 2 forms upper end compressed part 2A towards the distortion of internal diameter direction, sealing component 6, end plate 7 can be installed in the regular assembling position of inner core 3 upper ends.
Hydraulic buffer performance evaluation portion 13, having can be along the lift head 72 of slip guide member 71,71 liftings that are located at column 10A front, and lift head 72 is connected with the connecting rod 75 of the crank device 74 that is driven by lift motor 73.Lift head 72 has automatic clamping device 77 (bar holding device), and this clamp device 77 is provided with load cell 76.The jaw 77A of clamp device 77, inboard guide member 77B, outside guide member 77C are inserted the vacuum inside diameter of the interior dress cylinder 51 of vacuum head 32, on the front end screw section of the piston rod 4 that the sealing component 6 by hydraulic buffer 1 extends to the outside, keeping to threaded joint the flank of thread of jaw 77A.Clamp device 77 can scalable jaw 77A (Fig. 7 (B)) by the acting in conjunction of inboard guide member 77B and outside guide member 77C.Like this, hydraulic buffer performance evaluation portion 13 is installed under the state of regular assembling position at the sealing component 6 of hydraulic buffer 1, with lift motor 73 clamp device 77 is driven up and down, can measure gas reaction force, damping force of hydraulic buffer 1 etc., carry out performance evaluation.
Below, the use order of assembling device 10 is described.
(1) setting of hydraulic buffer 1 (Fig. 3)
Oil is filled in the hydraulic buffer 1, and week is sealed sealing component 6 temporarily in urceolus 2 tops, the hydraulic buffer 1 that end plate 7 is installed is temporarily transported on the grip block 22 of support 11, makes it upright.By gripper cylinder 23 grip block 22 is risen, gas inclosure portion 12 is inserted on the top of the urceolus 2 of hydraulic buffer 1, be arranged on gas and enclose job position.
With lift cylinder 36 vacuum head 32 is descended, maintain the end plate 7 of hydraulic buffer 1 with the front end pushing of vacuum head 32.
The air pressure supply gas is enclosed a following air chamber 43B (going up air chamber 43A to atmosphere opening) of 31, make gas enclose 31 and around vacuum head 32, descend, maintain the top of the urceolus 2 of hydraulic buffer 1 with front end holding part 31A.At this moment, gas encloses 31 connects airtight the interior week of front end holding part 31A and the upper periphery of urceolus 2, and, the stepped part 31B that is located at week in the front end holding part 31A is joined with the upper-end surface of urceolus 2, the inner peripheral surface above the stepped part 31B of the inner peripheral surface that makes urceolus 2 and gas inclosure 31 flushes.
(2) compress surplus and measure (Fig. 4)
Enclose 31 with the gas of the grip block 22 of support 11, gas inclosure portion 12, vacuum head 32 is provided with under the state of hydraulic buffer 1 as described in top (1), with height finderheigt indicator 47 measure the upper end portion of urceolus 2 with respect to the overhang of end plate 7, be urceolus 2 compress surplus H, confirm that this compresses surplus H (judgement) in the scope of predetermined value.
As previously mentioned, the amount that give prominence to respect to end plate 7 upper end portion that the stepped part 31B that encloses a front end holding part 31A of 31 at gas joins with the upper-end surface of urceolus 2, the front end pushing of vacuum head 32 keeps the state of end plate 7, height finderheigt indicator 47 to measure urceolus 2, be urceolus 2 compress surplus H.
(3) inclosure of gas (Fig. 5)
With lift cylinder 36 vacuum head 32 is risen.Its lifting height determines like this: the lower end of the sealing component 6 that is sucted by the pull of vacuum of aftermentioned vacuum head 32, arrival be located at gas enclose a gas passageway 49 on 31 enclose the top of open end height of 31 inner peripheral surface by gas the time, the height that the front end of vacuum head 32 does not disturb with sealing component 6.At this moment, enclose a following air chamber 43B of 31 toward gases and carry out air pressure and supply with owing to continue to supply with road 45, so gas is enclosed 31 upper end that still keeping urceolus 2 from the pneumatics of vacuum head 32.
Then, enclose a gas passageway 49 of 31 with gas, gas high pressure air bodies such as () nitrogen is guided to the top of being enclosed the urceolus 2 that a front end holding part 31A of 31 keeping by gas, again the gas compartment enclosed between urceolus 2 and the inner core 3 of the oil circuit 8 from the bar guide member 5.With the mensuration such as gas manometer that are located on 49 grades of gas passageway, when the gas pressure of enclosing reaches predetermined value, stop its inclosure.
After gas is enclosed on urceolus 2 tops, with lift cylinder 36 vacuum head 32 is descended, in the inside of urceolus 2, sealing component 6, end plate 7 pushings are remained on the regular assembling position of inner core 3 upper ends.
In addition, when this gas was enclosed, vacuum head 32 was mentioned from the upper end of urceolus 2 sealing component 6 toward the top, then, sealing component 6 is pressed down to the regular assembling position of inner core 3 upper ends, and the sealing lip of sealing component 6 only slips at the outer circumferential face of piston rod 4, can not cause damage.
(4) hydraulic buffer 1 compresses processing (Fig. 6)
The air pressure supply gas is enclosed last an air chamber 43A (following air chamber 43B is to atmosphere opening) of 31, make gas enclose 31 rising around vacuum head 32, the top of the urceolus 2 of hydraulic buffer 1 is discharged in the roller 63 of hold down gag 33.
Cam lift cylinder 65 descends cam member 64, decline by this cam member 64 makes each roller 63 advance to the position that faces urceolus 2 upper-end surfaces, and, make at revolution motor 62 under the state of solid of rotation 61 rotations, with gripper cylinder 23 grip block 22 is risen, hydraulic buffer 1 risen to compress job position, the upper-end surface of urceolus 2 is pressed against on the roll surface of each roller 63, like this, the predetermined impacting force of upper end effect to urceolus 2, the upper end of urceolus 2 is out of shape to internal diameter direction, forms upper end compressed part 2A, sealing component 6, end plate 7 is installed on the regular assembling position of inner core 3 upper ends.At this moment, by lift cylinder 36, pushing force when by vacuum head 32 sealing component 6, end plate 7 being pressed to the regular assembling position of inner core 3 upper ends for example is 800kgf, with gripper cylinder 23 grip block 22 is risen, and the impacting force that acts on urceolus 2 upper ends for example is 1200kgf.
After having formed upper end compressed part 2A on the urceolus 2, with gripper cylinder 23 grip block 22 is descended, hydraulic buffer 1 is arranged on the performance evaluation job position.Simultaneously, the rotation of the body 61 that stops the rotation makes each roller 63 retreat into original position.
(5) performance evaluation of hydraulic buffer 1
When the gas inclosure operation of above-mentioned (3) was finished, the piston rod 4 of hydraulic buffer 1 was pushed out into the outside, and when piston rod 4 was pushed out, the clamp device 77 of performance evaluation portion 13 is the front end of clamping piston bar 4 automatically.Clamp device 77 moves up and down because of the moving up and down of lift head 72 (this lift head 72 is moved up and down by lift motor 73 effects), according to the output value of the flexible stroke and the load cell 7 of piston rod 4, measures the gas reaction force and the damping force of hydraulic buffer 1.The gas reaction force is that the output value (quiet output value) of load cell 76 is measured each stroke of hydraulic buffer 1 during from motor 73 low speed rotation.Damping force is in the output value (moving output value) of the load cell 7 each stroke of hydraulic buffer 1 during from motor 73 high speed rotating, deducts the gas reaction force and measures.
In addition, the flexible stroke of the piston rod 4 the during performance evaluation of hydraulic buffer 1, as range, like this air in the oil in the grease chamber of sneaking into inner core 3, guide to the top of bar guide member 5, again be discharged to gas compartment between urceolus 2 and the inner core 3 from the oil circuit 8 of bar guide member 5 in.
Therefore, present embodiment has following effect.
1. under the state on the urceolus 2 that sealing component 6 is enclosed in temporarily hydraulic buffer 1, this hydraulic buffer 1 is transported into assembling device 10, the sealing component 6 that is temporarily sealing is mentioned toward the top from the upper end of the urceolus 2 of hydraulic buffer 1, form the gas that leads to hydraulic buffer 1 and import path, import path by this gas, the gas of predetermined pressure is enclosed hydraulic buffer 1, after gas is enclosed, in urceolus 2, sealing component 6 is installed in the regular assembling position of inner core 3 upper ends.
2. according to 1. above-mentioned, in the process that hydraulic buffer 1 transports toward assembling device 10,,, can carry out part management simply so foreign matter can not invaded because hydraulic buffer 1 sealed member 6 is sealed temporarily.
3. above-mentioned 1. in, sealing component 6 is successfully attracted from the upper end of urceolus 2 upward by the pull of vacuum of vacuum head 32, perhaps pushed and remain on the regular assembling position in the urceolus 2 by vacuum head 32, so, do not damage the sealing lip of sealing component 6, can guarantee the assembling quality of hydraulic buffer 1.
4. hydraulic buffer 1, in assembling device 10, is mounted closely behind the regular assembling position of envelope member 6, and the piston rod 4 that is kept by clamp device 77 is moved up and down, and can estimate the performances such as gas reaction force, damping force of hydraulic buffer 1 thus.
Describe embodiments of the invention in detail with reference to accompanying drawing above, but concrete structure of the present invention is not limited to embodiment.The various design alterations of having done in not breaking away from subject area of the present invention all are included in the present invention.
Industrial applicibility
As mentioned above, according to the present invention, in the assembling process of oil buffer, different Thing is not invaded oil buffer inside, does not damage containment member, can carry out simply zero Part is managed, and can guarantee the assembling quality of oil buffer.
Claims (3)
1. the assembling method of hydraulic buffer is forming accumulator and the gas compartment above it, with the top of sealing component sealing inner/outer tube between the inner/outer tube of hydraulic buffer; It is characterized in that, adopt to have the assembling device that gas is enclosed head, vacuum head, hold down gag; Enclose the top that head maintains the urceolus of this hydraulic buffer with gas, the gas passageway of mentioning, enclose from gas head toward the top from the upper end of urceolus with the pull of vacuum of vacuum head, the sealing component that is enclosed on the hydraulic buffer is temporarily enclosed the gas of predetermined pressure in the hydraulic buffer, with vacuum head the sealing component pushing is remained on the regular assembling position in upper end of inner core, gas is enclosed head to be moved upward from urceolus top, the upper end that makes urceolus with hold down gag is installed to sealing component on the regular assembling position towards the distortion of internal diameter direction; It is to be used to maintain the urceolus top that inner filling has oil, week is being sealed the hydraulic buffer of sealing component temporarily in urceolus top that the gas of above-mentioned assembling device is enclosed head, and has the gas passageway of gas being enclosed hydraulic buffer; Above-mentioned vacuum head is to be contained in gas to enclose in the head, is provided with the suction feed road that the upper space that temporarily is enclosed in the sealing component on the hydraulic buffer is applied pull of vacuum, and in urceolus sealing component is pressed on the regular assembling position of inner core upper end; Above-mentioned hold down gag is that the outside that is configured in hydraulic buffer, the upper end that makes urceolus are out of shape towards the internal diameter direction, and sealing component is installed to regular assembling position.
2. the assembling device of hydraulic buffer is forming accumulator and the gas compartment above it, with the top of sealing component sealing inner/outer tube between the inner/outer tube of hydraulic buffer; It is characterized in that, be provided with gas and enclose head, vacuum head and hold down gag; Enclose the urceolus top of a maintenance hydraulic buffer with gas, with the pull of vacuum of vacuum head, the sealing component that is enclosed on the hydraulic buffer is mentioned toward the top from the upper end of urceolus temporarily, enclose the gas passageway of head encloses the gas of predetermined pressure in the hydraulic buffer from gas, with vacuum head the sealing component pushing is remained on the regular assembling position of inner core upper end, gas is enclosed head to be moved upward from urceolus top, the upper end that makes urceolus with hold down gag is installed to regular assembling position towards the distortion of internal diameter direction with sealing component; It is that inner filling is had oil, the urceolus top of temporarily sealing the hydraulic buffer of Sealing in urceolus top week keeps and has the gas passageway of gas being enclosed hydraulic buffer that above-mentioned gas is enclosed head; Above-mentioned vacuum head is to be contained in gas to enclose in the head, the suction feed road that the upper space that temporarily is enclosed in the sealing component on the hydraulic buffer is applied pull of vacuum is arranged, and in urceolus sealing component is pressed on the regular assembling position of inner core upper end; Above-mentioned hold down gag is the outside that is configured in hydraulic buffer, and the upper end that makes urceolus is installed to regular assembling position towards the distortion of internal diameter direction with sealing component.
3. the assembling device of hydraulic buffer as claimed in claim 2 is characterized in that, has the bar holding device that keeps piston rod, and this piston rod extends to the outside by the sealing component of hydraulic buffer; Be installed at the sealing component of hydraulic buffer under the state of regular assembling position, the bar holding device is moved up and down, can carry out the performance evaluation of hydraulic buffer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP306417/1998 | 1998-10-14 | ||
| JP30641798A JP4100783B2 (en) | 1998-10-14 | 1998-10-14 | Method and apparatus for assembling hydraulic shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1287599A true CN1287599A (en) | 2001-03-14 |
| CN1109204C CN1109204C (en) | 2003-05-21 |
Family
ID=17956779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99801825 Expired - Fee Related CN1109204C (en) | 1998-10-14 | 1999-10-13 | Method and device for assembling hydraulic shock absorber |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP4100783B2 (en) |
| CN (1) | CN1109204C (en) |
| BR (1) | BR9906872A (en) |
| GB (1) | GB2346947B (en) |
| ID (1) | ID26133A (en) |
| WO (1) | WO2000022320A1 (en) |
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| JP4805761B2 (en) * | 2006-09-05 | 2011-11-02 | カヤバ工業株式会社 | Gas filling device and gas filling method |
| JP4805760B2 (en) * | 2006-09-05 | 2011-11-02 | カヤバ工業株式会社 | Gas filling device and gas filling method |
| JP2008298213A (en) * | 2007-05-31 | 2008-12-11 | Hitachi Ltd | Method of and device for manufacturing cylinder device |
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| DE102014221164A1 (en) * | 2014-10-17 | 2016-04-21 | Zf Friedrichshafen Ag | Method and device for determining a mechanical preload of a module |
| CN108253074A (en) * | 2018-03-05 | 2018-07-06 | 河南天减振器科技有限公司 | The charger of bitubular inflatable hydraulic buffer |
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- 1998-10-14 JP JP30641798A patent/JP4100783B2/en not_active Expired - Fee Related
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- 1999-10-13 GB GB0014175A patent/GB2346947B/en not_active Expired - Fee Related
- 1999-10-13 BR BR9906872-9A patent/BR9906872A/en not_active IP Right Cessation
- 1999-10-13 CN CN 99801825 patent/CN1109204C/en not_active Expired - Fee Related
- 1999-10-13 WO PCT/JP1999/005641 patent/WO2000022320A1/en active Application Filing
- 1999-10-13 ID IDW20001138A patent/ID26133A/en unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100385138C (en) * | 2004-08-19 | 2008-04-30 | 付德海 | Inflation method and device for inflatable automobile shock absorber |
| CN102135153A (en) * | 2011-01-27 | 2011-07-27 | 江苏宏丰奥凯机电有限公司 | Multi-station oiling machine |
| CN102135153B (en) * | 2011-01-27 | 2012-08-08 | 江苏宏丰奥凯机电有限公司 | Multi-station oiling machine |
| CN102146977A (en) * | 2011-03-29 | 2011-08-10 | 重庆小康汽车集团有限公司 | Vacuum assembly system for airbag vibration damper and assembly method thereof |
| CN102116355A (en) * | 2011-04-08 | 2011-07-06 | 南阳淅减汽车减振器有限公司 | Process method for inflating and sealing vibration damper |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2346947A (en) | 2000-08-23 |
| JP2000120754A (en) | 2000-04-25 |
| WO2000022320A1 (en) | 2000-04-20 |
| CN1109204C (en) | 2003-05-21 |
| JP4100783B2 (en) | 2008-06-11 |
| GB0014175D0 (en) | 2000-08-02 |
| BR9906872A (en) | 2000-10-17 |
| ID26133A (en) | 2000-11-23 |
| GB2346947B (en) | 2002-05-29 |
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