CN201475229U - Mine vehicle oil-gas front suspension cylinder assembly - Google Patents
Mine vehicle oil-gas front suspension cylinder assembly Download PDFInfo
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- CN201475229U CN201475229U CN2009201668185U CN200920166818U CN201475229U CN 201475229 U CN201475229 U CN 201475229U CN 2009201668185 U CN2009201668185 U CN 2009201668185U CN 200920166818 U CN200920166818 U CN 200920166818U CN 201475229 U CN201475229 U CN 201475229U
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Abstract
The utility model relates to a mine vehicle oil-gas front suspension cylinder assembly, which comprises a wear-resistant seat, an oil seal seat, a piston rod, a first wear-resistant sleeve and a second wear-resistant sleeve, wherein the length of the first wear-resistant sleeve is 190mm-280mm, the mine vehicle oil-gas front suspension cylinder assembly of an oil sealing with long service life is arranged between the piston rod and the oil seal seat, which leads the damage of the piston rod to the oil sealing between the piston rod and the oil sealing seat to be less, and prolongs the change cycle of the oil sealing, thereby leading the mine vehicle oil-gas front suspension cylinder assembly to still achieve excellent sealing effect after using in long time, and hydraulic oil is not easy to flow out from a gap between the piston rod and the oil sealing seat.
Description
Technical field
The utility model relates to a kind of automobile hanging damping device.Specifically a kind of mine truck oil gas forward mounting cylinder assembly.
Background technique
As shown in Figure 1, in the prior art, mine truck oil gas forward mounting cylinder assembly comprises that the cylinder cap of cylinder body, sealed cylinder block one end, the oil sealing base that is arranged on the cylinder body the other end, the through hole that passes on the oil sealing base stretch into the interior piston rod with hollow chamber of cylinder body; Comprise also being arranged on first wear-resistant sleeve between piston rod and oil sealing base on the oil sealing base and being arranged on second wear-resistant sleeve on the end that extend on the piston rod in the cylinder body that described second wear-resistant sleeve contacts between piston rod and inboard wall of cylinder block and with inboard wall of cylinder block.Described cylinder body closed at both ends has hydraulic oil to form sealed chamber in cylinder body in the sealed chamber, the top of hydraulic oil is filled with nitrogen; Form annular cavity between piston rod and the inboard wall of cylinder block, the hollow chamber conducting of annular cavity by being provided with on the opening that is provided with on the piston rod and one-way valve and the piston rod all is full of hydraulic oil in annular cavity and the hollow chamber.When piston rod and piston were done back and forth movement in cylinder body, the hydraulic oil in the sealed chamber entered opening that the hydraulic oil in annular cavity or the annular cavity is provided with from piston rod from hollow chamber that piston rod is provided with through one-way valve and opening and enters hollow chamber with sealed chamber's conducting.For prevent piston rod in cylinder body in the back and forth movement process hydraulic oil flow out along piston rod from cylinder body one end, between oil sealing base and piston rod, be provided with oil sealing.But; in actual use; because first wear-resistant sleeve and second wear-resistant sleeve can not play good positioning action to being positioned at piston rod; piston rod usually can be swung; thereby damage the oil sealing that is arranged between oil sealing base and the piston rod; make after work a period of time; oil sealing between oil sealing base and the piston rod just can not play good seal action; hydraulic oil flows out from the slit between piston rod and the oil sealing base easily; the oil sealing that just must more renew about every half a year, make the user in use maintenance and the cost of maintenance than higher.
The model utility content
For this reason, technical problem to be solved in the utility model is to provide the mine truck oil gas forward mounting cylinder assembly of the long working life of the oil sealing between a kind of piston rod and the oil sealing base, make that piston rod is less to the damage of the oil sealing between piston rod and oil sealing base in the course of the work, prolongs the replacement cycle of described oil sealing; Thereby it is effective to make that mine truck oil gas forward mounting cylinder assembly of the present utility model still can reach better seal after using the long time, and hydraulic oil is not easy to flow out from slit between piston rod and the oil sealing base.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solution: a kind of mine truck oil gas forward mounting cylinder assembly, it comprises
A cylinder body and a wear-resisting seat that is positioned at described cylinder body;
Oil sealing base, described oil sealing base are fixedly mounted on an end of described cylinder body;
A piston rod, one end pass that through hole on the described oil sealing base stretches in the described cylinder body and with described wear-resisting seat fixed installation;
First wear-resistant sleeve, described first wear-resistant sleeve is arranged on the described oil sealing base, and between described oil sealing base and piston rod;
Second wear-resistant sleeve, described second wear-resistant sleeve are arranged on the described wear-resisting seat, and between described wear-resisting seat and described inboard wall of cylinder block;
The length of described first wear-resistant sleeve is 190 millimeters-280 millimeters.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, the length of described second wear-resistant sleeve is 110 millimeters-170 millimeters.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, the length of described first wear-resistant sleeve is 200 millimeters-250 millimeters.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, the length of described second wear-resistant sleeve is 120 millimeters-160 millimeters.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, the length M of described cylinder body is 560 millimeters-860 millimeters, the length N of described piston rod is the 810-1010 millimeter.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, the length M of described cylinder body is 610 millimeters-810 millimeters, the length N of described piston rod is 860 millimeters-960 millimeters.
Above-mentioned mine truck oil gas forward mounting cylinder assembly is provided with the above oil sealing of twice or twice between described oil sealing base and the described piston rod.
Above-mentioned mine truck oil gas forward mounting cylinder assembly is provided with the above combination oil seal in three roads or three roads between described oil sealing base and the described inboard wall of cylinder block.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, described cylinder body comprise the cylindricality cylinder barrel, with the assembly mounting bracket of described cylindricality cylinder barrel by casting integrated moulding, and the cylinder barrel cover that is arranged on the interior cylindricality of described cylindricality cylinder barrel; Described wear-resisting seat is positioned at described cylinder barrel cover, and the length of described cylinder barrel cover equals the running length of described wear-resisting seat at least, and the tapering of described cylinder barrel cover is 3 minutes～4 degree.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, described mine truck oil gas forward mounting cylinder assembly also comprises and is fixedly mounted on described cylinder body away from the cylinder cap on the end of described oil sealing base, is provided with the above combination oil seal in three roads or three roads between described cylinder cap and the described cylinder body.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, described mine truck oil gas forward mounting cylinder assembly also comprises a pull bar, one end of described pull bar is fixedlyed connected with described cylinder cap, the through hole that the other end passes on the wear-resisting seat pressing plate extend in the hollow chamber of moulding on the described piston rod, and described wear-resisting seat pressing plate is fixedly mounted on described piston rod and is positioned on the end face of an end of described cylinder body; Be positioned on the described pull bar of described hollow chamber pull bar back-up ring and lock nut are installed, the diameter of described pull bar back-up ring is greater than the diameter of the through hole on the described wear-resisting seat pressing plate.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, described pull bar is provided with the oiling passage, and the oil hole and the exhaust port of described oiling passage of conducting and sealed chamber.
Above-mentioned mine truck oil gas forward mounting cylinder assembly, the end that described pull bar closes on described cylinder cap is provided with gas charging valve and gas charging valve safety cover.
Technique scheme of the present utility model has the following advantages compared to existing technology: (1) is because the length of first wear-resistant sleeve is 190 millimeters-280 millimeters, can play good positioning action to piston rod, thereby make described piston rod amplitude of fluctuation in the back and forth movement process in cylinder body reduce greatly, therefore piston rod is less to the damage of the oil sealing between piston rod and oil sealing base in the course of the work, prolongs the operating life and the replacement cycle of described oil sealing; Thereby it is effective to make that mine truck oil gas forward mounting cylinder assembly of the present utility model still can reach better seal after using the long time, and hydraulic oil is not easy to flow out from slit between piston rod and the oil sealing base, can prevent leakage of oil well; Simultaneously, when the length of second wear-resistant sleeve is 110 millimeters-170 millimeters, can play better positioning action to described piston rod, can more effectively reduce the swing of described piston rod, littler to the damage of the oil sealing between described piston rod and described oil sealing base; Under the constant situation of other condition, the length of described first wear-resistant sleeve and described second wear-resistant sleeve is big more, piston rod is swung more little in cylinder body in the back and forth movement process, thereby the infringement to the oil sealing that is provided with between described piston rod and oil sealing base is more little, the operating life of described oil sealing is long more, make the oil sealing that is provided with between piston rod and the oil sealing base can reach better sealing effect, thereby can prevent leakage of oil better, but the stroke of piston in cylinder body reduces, thereby makes the cushioning effect of described mine truck oleo-pneumatic suspension cylinder assembly reduce; The length of preferred described first wear-resistant sleeve is 200 millimeters-250 millimeters, the length of described second wear-resistant sleeve is 120 millimeters-160 millimeters simultaneously, make described mine truck oil gas forward mounting cylinder assembly both have desirable cushioning effect, can reduce of the damage of described piston rod well again, reach the desirable purpose that prevents leakage of oil described oil sealing.(2) length M of described cylinder body is 560 millimeters-860 millimeters, and the length N of described piston rod is the 810-1010 millimeter; The life-span of the oil sealing between described piston rod and the described oil sealing base significantly increases, and can reach more than 1 year, has greatly reduced the user's maintenance in use and the cost of maintenance; The length M of preferred described cylinder body is 610 millimeters-810 millimeters, and the length N of described piston rod is 860 millimeters-960 millimeters.(3) be provided with the above oil sealing of twice or twice between described oil sealing base and the described piston rod, make that the sealing effect between described piston rod and the described oil sealing base is better, hydraulic oil is more difficult to flow out from slit between described piston rod and the described oil sealing base, thereby reaches the effect that better prevents leakage of oil.(4) between described oil sealing base and the described inboard wall of cylinder block, and be provided with the above combination oil seal in three roads or three roads between cylinder cap and the described cylinder body; Make that the sealing effect at described cylinder body two ends is better, prevent that better hydraulic oil or nitrogen from revealing in described cylinder body.(5) pull bar is provided with the oiling passage, and the oil hole and the exhaust port of described oiling passage of conducting and sealed chamber; Make when hydraulic oil injects in described sealed chamber, hydraulic oil enters in the described sealed chamber through oiling passage and oil hole, gas in the described sealed chamber can be discharged smoothly from exhaust port, reduce the foam that produces in the refueling process, thereby can at an easy rate oil be filled it up with, avoid overflowing of hydraulic oil in the refueling process.(6) being arranged so that of described gas charging valve safety cover can be protected gas charging valve better.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the structural representation of mining automotive oil gas forward mounting cylinder assembly in the prior art;
Fig. 2 is the structural representation of the utility model mine truck oil gas forward mounting cylinder assembly;
Fig. 3 is the another kind of structural representation of the utility model mine truck oil gas forward mounting cylinder assembly;
Fig. 4 is the another kind of structural representation of the utility model mine truck oil gas forward mounting cylinder assembly;
Fig. 5 is the structural representation of the cylinder barrel cover of the utility model mine truck oil gas forward mounting cylinder assembly shown in Figure 4;
Fig. 6 is the structural representation of the piston rod of the utility model mine truck oil gas forward mounting cylinder assembly shown in Figure 4;
Fig. 7 is the structural representation of the cylinder body of the utility model mine truck oil gas forward mounting cylinder assembly shown in Figure 4.
Reference character is expressed as among the figure: 1-cylindricality cylinder barrel, 2-cylinder cap, 3-oil sealing base, the 4-piston rod, 5-forward mounting pressing plate, 6-plug cock, the 7-high-strength bolt, the 8-opening, 9-is covered with dust, the 10-oil sealing, 11-annular cavity, 12-first wear-resistant sleeve, the 13-combination oil seal, 14-lock nut, 15-pull bar back-up ring, the 16-one-way valve, 17-second wear-resistant sleeve, the wear-resisting seat of 18-, 19-wear-resistant sleeve pressing plate, 20-hollow chamber, 21-cylinder barrel cover, 22-sealed chamber, 23-gas charging valve, 24-gas charging valve guard shield, 25-assembly mounting bracket, 26-oil hole, 27-exhaust port, the 32-annular groove, 33-pull bar, 35-oiling passage.
Embodiment
As Fig. 4-shown in Figure 7, the mine truck oil gas forward mounting cylinder assembly of present embodiment comprises: cylinder body, cylinder cap 2, oil sealing base 3 and a piston rod 4; Described cylinder cap 2 is fixedly mounted on an end of described cylinder body by high-strength bolt 7, is provided with three road combination oil seals 13 between the inwall of described cylinder cap 2 and described cylinder body; Described oil sealing base 3 is fixedly mounted on the other end of described cylinder body by high-strength bolt 7, is provided with three road combination oil seals 13 between the inwall of described oil sealing base 3 and described cylinder body; The through hole that one end of described piston rod 4 passes on the described oil sealing base 3 stretches in the described cylinder body, and with wear-resisting seat 18 fixed installations that are positioned at described cylinder body, described wear-resisting seat 18 is provided with second wear-resistant sleeve 17, and described second wear-resistant sleeve 17 is between the inwall of described wear-resisting seat 18 and described cylinder body; Described oil sealing base 3 is provided with first wear-resistant sleeve 12, and described first wear-resistant sleeve 12 is between described oil sealing base 3 and described piston rod 4, and in addition, described oil sealing base 3 is provided with between described piston rod 4 and is covered with dust 9 and twice oil sealing 10.Described piston rod 4 is positioned at the outer end of described cylinder body and is provided with plug cock 6, is installed with forward mounting pressing plate 5 by high-strength bolt 7 on the end face of this end; Described piston rod 4 is positioned on the end face of an end of described cylinder body and is installed with wear-resistant sleeve pressing plate 19 by high-strength bolt 7.Described cylinder body comprise cylindricality cylinder barrel 1, with the assembly mounting bracket 25 of described cylindricality cylinder barrel 1 by casting integrated moulding, and the cylinder barrel that is arranged on the cylindricality in the described cylindricality cylinder barrel 1 overlaps 21; Described wear-resisting seat 18 is positioned at described cylinder barrel cover 21, and the length of described cylinder barrel cover 21 equals the running length of described wear-resisting seat 18 at least, and the tapering of described cylinder barrel cover 21 is 7 minutes.The mine truck oil gas forward mounting cylinder assembly of present embodiment also comprises a pull bar 33, one end of described pull bar 33 is fixedlyed connected with described cylinder cap 2, and the through hole that the other end passes on the described wear-resisting seat pressing plate 19 extend in the hollow chamber 20 of moulding on the described piston rod 4; Be positioned on the described pull bar 33 of described hollow chamber 20 pull bar back-up ring 15 and lock nut 14 are installed, the diameter of described pull bar back-up ring 15 is greater than the diameter of the through hole on the described wear-resisting seat pressing plate 19.The end that described pull bar 33 closes on described cylinder cap 2 is provided with oiling passage 35, and the oil hole 26 and the exhaust port 27 of described oiling passage 35 of conducting and sealed chamber 22, and is provided with gas charging valve 23 and gas charging valve safety cover 24.In the present embodiment, the length of described cylinder body is 767 millimeters, and the length of described piston rod 4 is 910 millimeters, and the length of described first wear-resistant sleeve 12 is 230 millimeters, and the length of described second wear-resistant sleeve 17 is 140 millimeters.
The mine truck oil gas forward mounting cylinder assembly of present embodiment forms sealed chamber 22 in described cylinder body 1,22 have hydraulic oil in the described sealed chamber, and the top of hydraulic oil is filled with nitrogen; Form annular cavity 11 between the inwall of described piston rod 4 and described cylinder body, hollow chamber 20 conductings of described annular cavity 11 by being provided with on the opening 8 that is provided with on the described piston rod 4 and one-way valve 16 and the described piston rod 4 all are full of hydraulic oil in described annular cavity 11 and the described hollow chamber 20.When described piston rod 4 was done back and forth movement with described wear-resisting seat 18, second wear-resistant sleeve 17 in described cylinder body, the hydraulic oil in the described sealed chamber 22 entered described hollow chamber 20 with described sealed chamber 22 conductings through the hydraulic oil that described one-way valve 16 and described opening 8 enter described annular cavity 11 or described annular cavity 11 in from the opening 8 of described piston rod 4 settings from described hollow chamber 20 that described piston rod 4 is provided with.
Because the length of described first wear-resistant sleeve 12 is 230 millimeters, the length of described second wear-resistant sleeve 17 is 140 millimeters, can play good positioning action to described piston rod 4, thereby make described piston rod 4 amplitude of fluctuation in the back and forth movement process in cylinder body reduce greatly, therefore the damage of 4 pairs of oil sealings 10 between described piston rod 4 and described oil sealing base 3 of described in the course of the work piston rod is less, prolongs the operating life and the replacement cycle of described oil sealing 10; Thereby it is effective to make that the mine truck oil gas forward mounting cylinder assembly of present embodiment still can reach better seal after using the long time, hydraulic oil is not easy to flow out from slit between described piston rod 4 and the described oil sealing base 3, can prevent leakage of oil well.The length of described cylinder body is 767 millimeters, the length of described piston rod 4 is 910 millimeters, the life-span of the oil sealing 10 between described piston rod 4 and the described oil sealing base 3 significantly increases, and can reach more than 1 year, has greatly reduced the user's maintenance in use and the cost of maintenance.Be provided with the oil sealing 10 of twice between described oil sealing base 3 and the described piston rod 4, make that the sealing effect between described piston rod 4 and the described oil sealing base 3 is better, hydraulic oil is more difficult to flow out from slit between described piston rod 4 and the described oil sealing base 3, thereby reaches the effect that better prevents leakage of oil.Between the inwall of described oil sealing base 3 and described cylinder body, and the combination oil seal 13 that is provided with three roads between described cylinder cap 2 and the described cylinder body; Make that the sealing effect at described cylinder body two ends is better, prevent that better hydraulic oil or nitrogen from revealing in described cylinder body.Described pull bar 33 is provided with described oiling passage 35, and the oil hole 26 and the exhaust port 27 of described oiling passage 35 of conducting and described sealed chamber 22; Make when hydraulic oil injects in described sealed chamber 22, hydraulic oil enters in the described sealed chamber 22 through described oiling passage 35 and described oil hole 26, gas in the described sealed chamber 22 can be discharged by described exhaust port 27 smoothly, reduce the foam that produces in the refueling process, thereby can at an easy rate oil be filled it up with, avoid overflowing of hydraulic oil in the refueling process.Being arranged so that of described gas charging valve safety cover 24 can be protected described gas charging valve 23 better.
The be arranged so that described assembly mounting bracket 25 and the described cylinder body of described cylinder barrel cover 21 can adopt casting integrated moulding to increase the join strength between the two, improve qualified casting, and the sand holes after avoiding casting on the described cylinder body become gas leakage, leakage of oil point; Prevent that described second wear-resistant sleeve of sand holes on the inwall of described cylinder body from causing damage; In addition, also make to the requirement on machining accuracy of the inwall of described cylinder body lower.The length of described cylinder barrel cover 21 equals the length of described cylindricality cylinder barrel 1, makes that the sand holes on preventing described cylinder body become in gas leakage point or the leakage of oil point, can make again described cylinder barrel cover 21 and described oil sealing base 3 good concentricity, guarantee machining accuracy.
Embodiment 2
As shown in Figure 2, present embodiment and embodiment's 1 difference is: the length of described cylinder body is 810 millimeters, the length of described piston rod 4 is 960 millimeters, the length of described first wear-resistant sleeve 12 is 250 millimeters, the length of described second wear-resistant sleeve 17 is 160 millimeters, the length of described cylinder barrel cover 21 is for to extend to the end of described cylinder body away from described cylinder cap 2 from described cylinder cap 2, and its tapering is 10 minutes.
Embodiment 3
As shown in Figure 3, present embodiment and embodiment's 1 difference is: the length of described cylinder body is 610 millimeters, the length of described piston rod 4 is 860 millimeters, the length of described first wear-resistant sleeve 12 is 200 millimeters, the length of described second wear-resistant sleeve 17 is 120 millimeters, the length of described cylinder barrel cover 21 is for to extend to described oil sealing base 3 from described cylinder cap 2, and its tapering is 8 minutes.
In the present embodiment, because the length of described cylinder barrel cover 21 is shorter, therefore can not make described cylinder barrel cover 21 have good concentricity with described oil sealing base 3.
In some other embodiment, the length of described first wear-resistant sleeve 12 can be any number between 190 millimeters-280 millimeters, the length of described second wear-resistant sleeve 17 can be any number between 110 millimeters-170 millimeters, can play better positioning action to described piston rod 4, can reduce the swing of described piston rod 4 effectively, littler to the damage of the oil sealing 10 between described piston rod 4 and described oil sealing base 3; Under the constant situation of other condition, the length of described first wear-resistant sleeve 12 and described second wear-resistant sleeve 17 is big more, described piston rod 4 is swung more little in cylinder body in the back and forth movement process, thereby the infringement to the oil sealing 10 of setting between described piston rod 4 and oil sealing base 3 is more little, the operating life of described oil sealing 10 is long more, make the oil sealing 10 that is provided with between piston rod 4 and the oil sealing base 3 can reach better sealing effect, thereby can prevent leakage of oil better, but the stroke of piston rod 4 in cylinder body reduces, thereby makes the cushioning effect of described mine truck oleo-pneumatic suspension cylinder assembly reduce.The length M of preferred described cylinder body is 560 millimeters-860 millimeters, and the length N of described piston rod 4 is the 810-1010 millimeter; Make described mine truck oil gas forward mounting cylinder assembly both have desirable cushioning effect, can reduce the damage of 4 pairs of described oil sealings 10 of described piston rod again well, reach the desirable purpose that prevents leakage of oil.Further preferably the length M of described cylinder body is 610 millimeters-810 millimeters, the length N of described piston rod is 860 millimeters-960 millimeters, the length of described first wear-resistant sleeve is 200 millimeters-250 millimeters, and the length of described second wear-resistant sleeve is 120 millimeters-160 millimeters simultaneously; Make the life-span of the oil sealing 10 between described piston rod 4 and the described oil sealing base 3 significantly increase, can reach more than 1 year, greatly reduced the user's maintenance in use and the cost of maintenance.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model claim.
Claims (13)
1. mine truck oil gas forward mounting cylinder assembly, it comprises
A cylinder body and a wear-resisting seat (18) that is positioned at described cylinder body;
Oil sealing base (3), described oil sealing base (3) is fixedly mounted on an end of described cylinder body;
A piston rod (4), one end pass that through hole on the described oil sealing base (3) stretches in the described cylinder body and with described wear-resisting seat (18) fixed installation;
First wear-resistant sleeve (12), described first wear-resistant sleeve (12) is arranged on the described oil sealing base (3), and is positioned between described oil sealing base (3) and the piston rod (4);
Second wear-resistant sleeve (17), described second wear-resistant sleeve (17) are arranged on the described wear-resisting seat (18), and are positioned between described wear-resisting seat (18) and the described inboard wall of cylinder block;
It is characterized in that: the length of described first wear-resistant sleeve (12) is 190 millimeters-280 millimeters.
2. mine truck oil gas forward mounting cylinder assembly according to claim 1 is characterized in that: the length of described second wear-resistant sleeve (17) is 110 millimeters-170 millimeters.
3. mine truck oil gas forward mounting cylinder assembly according to claim 2 is characterized in that: the length of described first wear-resistant sleeve (12) is 200 millimeters-250 millimeters.
4. mine truck oil gas forward mounting cylinder assembly according to claim 2 is characterized in that: the length of described second wear-resistant sleeve (17) is 120 millimeters-160 millimeters.
5. mine truck oil gas forward mounting cylinder assembly according to claim 1, it is characterized in that: the length M of described cylinder body is 560 millimeters-860 millimeters, and the length N of described piston rod (4) is the 810-1010 millimeter.
6. mine truck oil gas forward mounting cylinder assembly according to claim 5 is characterized in that: the length M of described cylinder body is 610 millimeters-810 millimeters, and the length N of described piston rod (4) is 860 millimeters-960 millimeters.
7. according to the arbitrary described mine truck oil gas forward mounting cylinder assembly of claim 1-6, it is characterized in that: be provided with the above oil sealing (10) of twice or twice between described oil sealing base (3) and the described piston rod (4).
8. according to the arbitrary described mine truck oil gas forward mounting cylinder assembly of claim 1-6, it is characterized in that: be provided with the above combination oil seal (13) in three roads or three roads between described oil sealing base (3) and the described inboard wall of cylinder block.
9. according to the arbitrary described mine truck oil gas forward mounting cylinder assembly of claim 1-6, it is characterized in that: described cylinder body comprise cylindricality cylinder barrel (1), with the assembly mounting bracket (25) of described cylindricality cylinder barrel (1) by casting integrated moulding, and the cylinder barrel cover (21) that is arranged on the interior cylindricality of described cylindricality cylinder barrel (1); Described wear-resisting seat (18) is positioned at described cylinder barrel cover (21), and the length of described cylinder barrel cover (21) equals the running length of described wear-resisting seat (18) at least, and the tapering of described cylinder barrel cover (21) is 3 minutes～4 degree.
10. according to the arbitrary described mine truck oil gas forward mounting cylinder assembly of claim 1-6, it is characterized in that: described mine truck oil gas forward mounting cylinder assembly also comprises and is fixedly mounted on described cylinder body away from the cylinder cap (2) on the end of described oil sealing base (3), is provided with the above combination oil seal (13) in three roads or three roads between described cylinder cap (2) and the described cylinder body.
11. mine truck oil gas forward mounting cylinder assembly according to claim 10, it is characterized in that: described mine truck oil gas forward mounting cylinder assembly also comprises a pull bar (33), one end of described pull bar (33) is fixedlyed connected with described cylinder cap (2), the other end passes through hole on the wear-resisting seat pressing plate (19) and extend into described piston rod (4) and go up in the hollow chamber (20) of moulding, and described wear-resisting seat pressing plate (19) is fixedly mounted on described piston rod (4) and is positioned on the end face of an end of described cylinder body; Be positioned on the described pull bar (33) of described hollow chamber (20) pull bar back-up ring (15) and lock nut (14) are installed, the diameter of described pull bar back-up ring (15) is greater than the diameter of the through hole on the described wear-resisting seat pressing plate (19).
12. mine truck oil gas forward mounting cylinder assembly according to claim 11, it is characterized in that: described pull bar (33) is provided with oiling passage (35), and the oil hole (26) and the exhaust port (27) of described oiling passage of conducting (35) and sealed chamber (22).
13. mine truck oil gas forward mounting cylinder assembly according to claim 11 is characterized in that: the end that described pull bar (33) closes on described cylinder cap (2) is provided with gas charging valve (23) and gas charging valve safety cover (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201668185U CN201475229U (en) | 2009-07-20 | 2009-07-20 | Mine vehicle oil-gas front suspension cylinder assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201668185U CN201475229U (en) | 2009-07-20 | 2009-07-20 | Mine vehicle oil-gas front suspension cylinder assembly |
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| CN201475229U true CN201475229U (en) | 2010-05-19 |
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| CN2009201668185U Expired - Fee Related CN201475229U (en) | 2009-07-20 | 2009-07-20 | Mine vehicle oil-gas front suspension cylinder assembly |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269196A (en) * | 2010-06-04 | 2011-12-07 | 张宏如 | No-/full-load self-adaptive pressure compensating type hydro-pneumatic suspension cylinder |
| CN102454657A (en) * | 2010-10-28 | 2012-05-16 | 张宏如 | Pressure-controlled zero/full-load self-adapting oil vapor hanging cylinder |
| CN103016595A (en) * | 2012-11-29 | 2013-04-03 | 江苏恒立高压油缸股份有限公司 | Front suspension oil cylinder for mining vehicle |
| CN103644236A (en) * | 2013-12-02 | 2014-03-19 | 湘电重型装备有限公司 | Front axle oil-gas suspension device for electric wheel dump truck |
| CN104154168A (en) * | 2014-08-06 | 2014-11-19 | 江苏华彤新能源科技有限公司 | Micro soundproof energy accumulator used for damper |
| CN103352958B (en) * | 2013-07-02 | 2016-03-23 | 太原理工大学 | A kind of hydraulic pressure cylinder cushion |
| CN114278694A (en) * | 2021-12-03 | 2022-04-05 | 江苏省徐州技师学院 | Three-section type large-span anti-unbalance-loading suspension oil-air cylinder of off-highway dump truck |
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2009
- 2009-07-20 CN CN2009201668185U patent/CN201475229U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269196A (en) * | 2010-06-04 | 2011-12-07 | 张宏如 | No-/full-load self-adaptive pressure compensating type hydro-pneumatic suspension cylinder |
| CN102454657A (en) * | 2010-10-28 | 2012-05-16 | 张宏如 | Pressure-controlled zero/full-load self-adapting oil vapor hanging cylinder |
| CN103016595A (en) * | 2012-11-29 | 2013-04-03 | 江苏恒立高压油缸股份有限公司 | Front suspension oil cylinder for mining vehicle |
| CN103352958B (en) * | 2013-07-02 | 2016-03-23 | 太原理工大学 | A kind of hydraulic pressure cylinder cushion |
| CN103644236A (en) * | 2013-12-02 | 2014-03-19 | 湘电重型装备有限公司 | Front axle oil-gas suspension device for electric wheel dump truck |
| CN103644236B (en) * | 2013-12-02 | 2015-12-23 | 湘电重型装备有限公司 | A kind of electric power wheel self-discharging vehicle front axle hydro-pneumatic suspension device |
| CN104154168A (en) * | 2014-08-06 | 2014-11-19 | 江苏华彤新能源科技有限公司 | Micro soundproof energy accumulator used for damper |
| CN114278694A (en) * | 2021-12-03 | 2022-04-05 | 江苏省徐州技师学院 | Three-section type large-span anti-unbalance-loading suspension oil-air cylinder of off-highway dump truck |
| CN114278694B (en) * | 2021-12-03 | 2023-06-13 | 江苏省徐州技师学院 | Three-section type large-span anti-unbalanced load suspension oil-air cylinder of off-highway dumper |
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