CN103174695B - A kind of two dual control combination brake switch and proporting for hydraulic equipment - Google Patents
A kind of two dual control combination brake switch and proporting for hydraulic equipment Download PDFInfo
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- CN103174695B CN103174695B CN201310077723.7A CN201310077723A CN103174695B CN 103174695 B CN103174695 B CN 103174695B CN 201310077723 A CN201310077723 A CN 201310077723A CN 103174695 B CN103174695 B CN 103174695B
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Abstract
The invention provides a kind of two dual control combination brake switch and proporting for hydraulic equipment, belong to hydraulic control valve technical field.The main structure of this combination brake switch and proporting is the entirety that one piece of tetragonal thicker cast steel material is processed into, processing used logical each asphalt channel mutually in a plane in the middle of the front and back of overall plate, at upper and lower center weak horizontal plane jointing place on the lower side from left to right substantially horizontal offer the main through hole of a smooth working connection control valve, the mutually used logical through hole of various uses is processed in main through hole central plane, be setting pressure table above the plane body that through hole communicates, the pressure regulator valve of the controlling rod of two operations and the various control effect of rotation is installed on the right of main body.Combination brake switch and proporting of the present invention has the features such as simple and reasonable, easy for installation, operation walk away safety is reliable, low cost of manufacture, universal performance are good, fuel consumption is less, and this combination brake switch and proporting can be increased work efficiency and the operating range of hydraulic equipment.
Description
Technical field
The invention belongs to hydraulic control valve technical field, particularly relate to a kind of two dual control combination brake switch and proporting for hydraulic equipment.
Technical background
Very lack of standardizationization of the control valve design on existing hydraulic machinery, neither general unreasonable, mainly there is following shortcoming: 1, the large waste muscle power of volume and waste material; 2, inconvenience is installed; 3, maintenance cost is high; 4, operation easier greatly can not accurately control rate, particularly neophyty operation too fast otherwise cross often there is contingency slowly; 5, poor safety performance cannot in operating position pressure relief; 5, Fuel injection system and oil return Process Design unreasonable, often there is booster phenomenon; 6, purchase difficult existing equipment most car sample often to can't buy, delay work and mistake cost increase waste seriously; 7, cannot reduce pressure that to cause machine driven system to wear away large waste of fuel many in time; 8, Utilization ratio is low, and an equipment often only can do a kind of work a journey.
Summary of the invention
The present invention is directed to the technical problem that existing control valve exists, propose a kind of two dual control combination brake switch and proporting of hydraulic equipment.
A kind of two dual control combination brake switch and proporting for hydraulic equipment provided by the present invention comprise plate 1, in weak horizontal plane jointing place on the lower side, described plate about 1 center, substantially horizontal is provided with the main through hole A of working connection control valve from left to right, be processed with hexagonal in installation on the left side of described main through hole A on the surface and block screw thread in 2, the left side of described interior hexagonal blocking 2 does not exceed the left plane of described plate 1, the right-hand member of described interior hexagonal blocking 2 be provided with nearby one obliquely the right be used to the second through hole Z of the decompression of leading to the first through hole F, above described main through hole A, be from left to right provided with the third through-hole M of logical pressure oil, be provided with at the left end of described third through-hole M and screw thread in fuel supply line joint is installed, the left and right center line of described plate 1 is provided with from the top down and described third through-hole M and the used logical fourth hole G of main through hole A phase, the counterbore that concentric band is got out of a predicament or an embarrassing situation is offered in the upper end of described fourth hole G, being circumferentially processed with of the described fourth hole G in the below of this counterbore, screw thread in outer-hexagonal blocking 4 is installed, spinning is in this counterbore from the top down in described outer-hexagonal blocking 4, and the upper plane of described outer-hexagonal blocking 4 is not higher than the upper plane of described plate 1, the right center line of described third through-hole M is provided with left from the right side of plate 1 aperture be greater than described third through-hole M's and fifth hole H concentric on described third through-hole M, aperture is set on the right of described fifth hole H and is greater than described fifth hole H and the left-hand counterbore of screw thread in the band concentric with described fifth hole H, described left-hand counterbore regulates plug screw 9 for installing, band left-hand is set in described fifth hole H and bores pointed needle-valve 5, the external diameter of described needle-valve 5 is small and weak in the internal diameter of described fifth hole H, logical oily breach is had before and after the inside diameter surface of described fifth hole H, the boss stretched out is provided with at the center, the right of described needle-valve 5, on this boss, cover puts pressure adjusting spring 6, the right regulator hole of described pressure adjusting spring 6 is installed with the adjustment plug screw 9 being with right counterbore, the right-hand member of described pressure adjusting spring 6 inserts in blind shape bore, the radial surface stretched out at the center, the right of described adjustment plug screw 9 is tetragonal screw thread head swing arm, on four corners of described screw thread head swing arm, cover puts the cambered surface swing handle 10 that in band, four directions matches, and fixes described adjustment plug screw 9 at the right primary nut 11 of described cambered surface swing handle 10, the diameter being provided with step in band on the right of described main through hole A is greater than threaded bore in described main through hole A, the hollow plug screw 19 for supporting and sealing of the band central through bore that spinning is smooth in described interior threaded bore, the center surface of described hollow plug screw 19 is provided with the annular groove that two are installed seal ring, be provided with four onesize, full symmetric, center parallel on the both sides of the vertical center line of described plate 1, be upwards used to the first through hole F, the 6th through hole B, the 7th through hole C, the 8th through hole D that lead to described main through hole A, be provided with in the port, below of described first through hole F, the 6th through hole B, the 7th through hole C, the 8th through hole D and the interior screw thread of oil pipe is installed, main control valve core bar 3 is provided with in described main through hole A, the body of rod of described main control valve core bar 3 is ganoidly very little of through hole A matching gap become three of coupling space requirement equal diameter and the concentric body of rod, the left end of described main control valve core bar 3 is no more than the suitable for reading of described second through hole Z, the vertical center line of the intermediate step of described main control valve core bar 3 overlaps with the vertical center line of fourth hole G, the left circular groove of full symmetric and right circular groove is provided with at the right and left of this vertical center line, the right-hand member of described left circular groove is no more than fourth hole G, more than the 6th through hole B, the left end of described left circular groove is no more than the first through hole F, the left end of described right circular groove is no more than fourth hole G more than the 7th through hole C, the right-hand member of described right circular groove is no more than the 8th through hole D, the 9th through hole E is provided with on the right of described 8th through hole D, the diameter of described 9th through hole E and the equal diameters of described 8th through hole D, described 9th through hole E from bottom to up used lower end mouth of leading to described main through hole A and fifth hole H, described 9th through hole E is provided with the interior screw thread installing interior hexagonal blocking 21, level the tenth through hole K of used logical described 9th through hole E and the 8th through hole D is from right to left provided with at the center line of right side main through hole A of described plate 1 and the center, lower end surface of described plate 1, the right-hand member of described tenth through hole K is provided with the screw thread installing blocking 20, and the right side of described blocking 20 does not exceed the right side of described plate 1, the shaft stretching out described plate 1 right-hand member that diameter becomes to be slidably matched with described hollow plug screw 19 internal diameter is provided with on the right of described main control valve core bar 3, the screw hole of screw thread in band is provided with in the right-hand member center of this shaft, this shaft is inserted in the hollow plug screw 19 of band seal ring 18, and described hollow plug screw 19 is screwed in the right-hand member threaded bore of main through hole A, in the right-hand member of described main control valve core bar 3 in threaded bore spinning with on the pull bar 16 of lower through-hole, described pull bar 16 is fixed with nut 17, the handle 15 of the upper and lower through hole of sipes in band is inserted at the fore-and-aft direction of described pull bar 16, at the through hole articulated form driving screws 14 of this through hole and described pull bar 16, the flank of tooth head of band circular arc is become in the rear end machining of described handle 15, the center of arc of one flank of tooth head processes hinged pin-and-hole, connecting pin is inserted from the top down in this pin-and-hole, an elastic stopping sheet 24 protruded is fixed symmetrically in the fork pockets of rear, flank of tooth head center, a supporting base 12 had to the upper and lower through hole of front fork is put in the rear square block of described screw 14, described supporting base 12 is fixed by bolts to the rear of described plate 1, smooth flat is processed into before and after the upper end of described plate 1, two onesize lugs are stretched out in this plane left and right sides, being provided with the 11 through hole 8 for connecting another control valve body in the vertical orientation of this lug, in described 11 through hole 8, sealing in hexagon socket head cap screw 7, the 12 through hole I of screw thread in the band that third through-hole M described in the front of described plate 1 and fourth hole G jointing place are provided with setting pressure table 28.
Relevant technologies of the present invention is described as follows:
1, main through hole A is the smooth surface inner via hole installing control valve core bar 3, three boss surface of core bar 3 are smooth becomes coupling to be slidably matched with the surface of through hole A, the width S of intermediate lands will guarantee the diameter being greater than fourth hole G, and the left and right center line of intermediate lands keeps concentric with the center line of fourth hole G.The width s of intermediate lands is also greater than the distance d between the 6th through hole B and the 7th through hole C, guarantees that the first low-voltage tube of working procedure supplies pressure oil after communicating.
2, the left port of third through-hole M connects the oil pipe that main oil feed pump is come.
3, the lower end mouth of the 6th through hole B connects the main oil pipe in executive system.
4, the lower end mouth of the 7th through hole C connects the secondary oil pipe in executive system.
5, the first through hole F and the 8th D lower end mouth connect the low-pressure oil return pipe in executive system.
6, the diameter of the second through hole Z should not design too little prevent blocking.
7, can remove outer-hexagonal blocking before two double control combination brake switch and proporting of use two series connection 4 is placed in counterbore with seal ring 26, and outer-hexagonal blocks the 4 third through-hole M that can be used for two the double control combination brake switch and proporting blocked wherein.
8, handle 15 should guarantee that the centre of the arc shaped surface of below is in the center of spring sheet when mounted.
Two dual control combination brake switch and proporting of a kind of hydraulic equipment provided by the present invention have simple and reasonable, easy for installation, operation walk away safety is reliable, low cost of manufacture, universal performance number, fuel consumption are less, feature that booster phenomenon can not occur, environmental pollution can not be caused, any hydraulic equipment can use, not only increase work efficiency but also improve the operating range of hydraulic equipment, alleviating the work load of operator, is comparatively ideal hydraulic control system element.
Accompanying drawing explanation
Fig. 1 is the by-level face sectional structure schematic diagram of combination brake switch and proporting plate of the present invention;
Fig. 2 is the front cross-sectional schematic diagram of combination brake switch and proporting plate of the present invention;
Fig. 3 is that schematic diagram is looked on a left side for combination brake switch and proporting plate of the present invention;
Fig. 4 is the plate structure schematic diagram that tandem compound connects both direction apposing symmetric.
In figure: 1, plate; 2, interior hexagonal blocking; 3, main control valve core bar; 4, outer-hexagonal blocking; 5, needle-valve; 6, pressure adjusting spring; 7, hexagon socket head cap screw; 8, the 11 through hole; 9, plug screw is regulated; 10, cambered surface swing handle; 11, primary nut; 12, supporting base; 13, square groove; 14, screw; 15, handle; 16, pull bar; 17, nut; 18, seal ring; 19, hollow plug screw; 20, block; 21, interior hexagonal blocking; 22, bracket holes; 24, elastic stopping sheet; 26, seal ring; 27, mounting; 28, pressure gauge; A: main through hole; F: the first through hole; Z: the second through hole; M: third through-hole; G: fourth hole; H: fifth hole; B: the six through hole; C: the seven through hole; D: the eight through hole, at described first through hole F, the 6th through hole B, the 7th through hole C, the 8th through hole D; E: the nine through hole; K: the ten through hole; I: the ten two through hole.
Embodiment
A kind of two dual control combination brake switch and proporting for hydraulic equipment provided by the present invention comprise plate 1, described plate 1 is the entirety be processed into by one piece of tetragonal thicker cast steel material, processing used logical each asphalt channel mutually in a plane in the middle of the front and back of plate 1, in weak horizontal plane jointing place on the lower side, described plate about 1 center, substantially horizontal is provided with the main through hole A of working connection control valve from left to right, be processed with hexagonal in installation on the left side of described main through hole A on the surface and block screw thread in 2, hexagonal blocking 2 in spinning is from left to right buckled at this internal thread, the left plane of described plate 1 is not stretched out in the left side of described interior hexagonal blocking 2, the right-hand member of described interior hexagonal blocking 2 be provided with nearby one obliquely the right be used to the second through hole Z of the decompression of leading to the first through hole F, above described main through hole A, be from left to right provided with the third through-hole M of logical pressure oil, be provided with at the left end of described third through-hole M and screw thread in fuel supply line joint is installed, the left and right center line of described plate 1 is provided with from the top down and described third through-hole M and the used logical fourth hole G of main through hole A phase, the counterbore that concentric band is got out of a predicament or an embarrassing situation is offered in the upper end of described fourth hole G, being circumferentially processed with of the described fourth hole G in the below of this counterbore, screw thread in outer-hexagonal blocking 4 is installed, spinning is in this counterbore from the top down in described outer-hexagonal blocking 4, and the upper plane of described outer-hexagonal blocking 4 is not higher than the upper plane of described plate 1, the right center line of described third through-hole M is provided with left from the right side of plate 1 aperture be greater than described third through-hole M's and fifth hole H concentric on described third through-hole M, aperture is set on the right of described fifth hole H and is greater than described fifth hole H and the left-hand counterbore of screw thread in the band concentric with described fifth hole H, described left-hand counterbore regulates plug screw 9 for installing, band left-hand is set in described fifth hole H and bores pointed needle-valve 5, the conical surface processing of described needle-valve 5 is more smooth for sealing, the external diameter of described needle-valve 5 is small and weak in the internal diameter of described fifth hole H, logical oily breach is had before and after the inside diameter surface of described fifth hole H, the boss stretched out is provided with at the center, the right of described needle-valve 5, on this boss, cover puts pressure adjusting spring 6, the right regulator hole of described pressure adjusting spring 6 is installed with the adjustment plug screw 9 being with right counterbore, the right-hand member of described pressure adjusting spring 6 inserts in described blind shape bore bore, the radial surface stretched out at the center, the right of described adjustment plug screw 9 is tetragonal screw thread head swing arm, on four corners of described screw thread head swing arm, cover puts the cambered surface swing handle 10 that in band, four directions matches, and fixes described adjustment plug screw 9 at the right primary nut 11 of described cambered surface swing handle 10, the diameter being provided with step in band on the right of described main through hole A is greater than threaded bore in described main through hole A, the hollow plug screw 19 for supporting and sealing of the band central through bore that spinning is smooth in described interior threaded bore, the center surface of described hollow plug screw 19 is provided with the annular groove that two are installed seal ring, be provided with four onesize, full symmetric, center parallel on the both sides of the vertical center line of described plate 1, be upwards used to the first through hole F, the 6th through hole B, the 7th through hole C, the 8th through hole D that lead to described main through hole A, be provided with in the port, below of described first through hole F, the 6th through hole B, the 7th through hole C, the 8th through hole D and the interior screw thread of oil pipe is installed, main control valve core bar 3 is provided with in described main through hole A, the body of rod of described main control valve core bar 3 is ganoidly very little of through hole A matching gap become three of coupling space requirement equal diameter and the concentric body of rod, the left end of described main control valve core bar 3 is no more than the suitable for reading of described second through hole Z, the vertical center line of the intermediate step of described main control valve core bar 3 overlaps with the vertical center line of fourth hole G, the left circular groove of full symmetric and right circular groove is provided with at the right and left of this vertical center line, the right-hand member of described left circular groove is no more than fourth hole G, more than the 6th through hole B, the left end of described left circular groove is no more than the first through hole F, the left end of described right circular groove is no more than fourth hole G more than the 7th through hole C, the right-hand member of described right circular groove is no more than the 8th through hole D, the 9th through hole E is provided with on the right of described 8th through hole D, the diameter of described 9th through hole E and the equal diameters of described 8th through hole D, described 9th through hole E from bottom to up used lower end mouth of leading to described main through hole A and fifth hole H, described 9th through hole E is provided with the interior screw thread installing interior hexagonal blocking 21, level the tenth through hole K of used logical described 9th through hole E and the 8th through hole D is from right to left provided with at the center line of right side main through hole A of described plate 1 and the center, lower end surface of described plate 1, the right-hand member of described tenth through hole K is provided with the screw thread installing blocking 20, and the right side of described blocking 20 does not exceed the right side of described plate 1, the shaft stretching out described plate 1 right-hand member that diameter becomes to be slidably matched with described hollow plug screw 19 internal diameter is provided with on the right of described main control valve core bar 3, the screw hole of screw thread in band is provided with in the right-hand member center of this shaft, this shaft is inserted in the hollow plug screw 19 of band seal ring 18, and described hollow plug screw 19 is screwed in the right-hand member threaded bore of main through hole A, in the right-hand member of described main control valve core bar 3 in threaded bore spinning with on the pull bar 16 of lower through-hole, described pull bar 16 is fixed with nut 17, the handle 15 of the upper and lower through hole of sipes in band is inserted at the fore-and-aft direction of described pull bar 16, at the through hole articulated form driving screws 14 of this through hole and described pull bar 16, the flank of tooth head of band circular arc is become in the rear end machining of described handle 15, the center of arc of one flank of tooth head processes hinged pin-and-hole, connecting pin is inserted from the top down in this pin-and-hole, an elastic stopping sheet 24 protruded is fixed symmetrically in the fork pockets of rear, flank of tooth head center, a supporting base 12 had to the upper and lower through hole of front fork is put in the rear square block of described screw 14, described supporting base 12 is fixed by bolts to the rear of described plate 1, smooth flat is processed into before and after the upper end of described plate 1, two onesize lugs are stretched out in this plane left and right sides, being provided with the 11 through hole 8 for connecting another control valve body in the vertical orientation of this lug, in described 11 through hole 8, sealing in hexagon socket head cap screw 7, the 12 through hole I of screw thread in the band that third through-hole M described in the front of described plate 1 and fourth hole G jointing place are provided with setting pressure table 28.
The structure of the structure of another control valve and this valve body plate 1 is identical, just direction is contrary, described outer-hexagonal blocking 4 can be taken off before two valve body series connection utilizes the seal ring of band central through bore to replace, the place not affecting port hole in the left and right of plate 1 up and down processes the sagittal through hole of screw thread in four bands, screws the screw having mounting with string in this through hole.
Claims (1)
1.
for two dual control combination brake switch and proporting of hydraulic equipment, it is characterized in that this dual control combination brake switch and proporting comprises plate (1), in the upper and lower weak horizontal plane jointing place on the lower side, center of described plate (1), substantially horizontal is provided with the main through hole (A) of working connection control valve from left to right, the interior screw thread of hexagonal blocking (2) in installation is processed with on the surface on the left side of described main through hole (A), the left side of described interior hexagonal blocking (2) does not exceed the left plane of described plate (1), the right-hand member of described interior hexagonal blocking (2) be provided with nearby one obliquely the right with second through hole (Z) of the used logical decompression of the first through hole (F), from left to right be provided with the third through-hole (M) of logical pressure oil in the top of described main through hole (A), be provided with the interior screw thread installing fuel supply line joint at the left end of described third through-hole (M), the left and right center line of described plate (1) is provided with from the top down and described third through-hole (M) and main through hole (A) used logical fourth hole (G) mutually, the counterbore that concentric band is got out of a predicament or an embarrassing situation is offered in the upper end of described fourth hole (G), being circumferentially processed with of the described fourth hole in the below of this counterbore (G), the interior screw thread that outer-hexagonal blocks (4) is installed, spinning is in this counterbore from the top down for described outer-hexagonal blocking (4), and the upper plane of described outer-hexagonal blocking (4) is not higher than the upper plane of described plate (1), the right center line of described third through-hole (M) is provided with left from the right side of plate (1) aperture be greater than described third through-hole (M) and with described third through-hole (M) concentric fifth hole (H), aperture is set on the right of described fifth hole (H) and is greater than described fifth hole (H) and the left-hand counterbore of screw thread in the band concentric with described fifth hole (H), described left-hand counterbore regulates plug screw (9) for installing, band left-hand is set in described fifth hole (H) and bores pointed needle-valve (5), the external diameter of described needle-valve (5) is small and weak in the internal diameter of described fifth hole (H), logical oily breach is had before and after the inside diameter surface of described fifth hole (H), the boss stretched out is provided with at the center, the right of described needle-valve (5), on this boss, cover puts pressure adjusting spring (6), the right regulator hole of described pressure adjusting spring (6) is installed with the adjustment plug screw (9) being with right counterbore, the right-hand member of described pressure adjusting spring (6) inserts in blind shape bore, the radial surface stretched out at the center, the right of described adjustment plug screw (9) is tetragonal screw thread head swing arm, on four corners of described screw thread head swing arm, cover puts the cambered surface swing handle (10) that in band, four directions matches, the fixing described adjustment plug screw (9) of the right primary nut (11) of described cambered surface swing handle (10), the diameter being provided with step in band on the right of described main through hole (A) is greater than the interior threaded bore of described main through hole (A), the hollow plug screw (19) for supporting and sealing of the band central through bore that spinning is smooth in described interior threaded bore, the center surface of described hollow plug screw (19) is provided with the annular groove that two are installed seal ring, be provided with four onesize, full symmetric, center parallel, upwards used logical the first through hole (F), the 6th through hole (B), the 7th through hole (C), the 8th through hole (D) with described main through hole (A) on the both sides of the vertical center line of described plate (1), be provided with in the port, below of described first through hole (F), the 6th through hole (B), the 7th through hole (C), the 8th through hole (D) and the interior screw thread of oil pipe is installed, main control valve core bar (3) is provided with in described main through hole (A), the body of rod of described main control valve core bar (3) be ganoid and described main through hole (A) matching gap very little become three of coupling space requirement equal diameter and the concentric body of rod, the left end of described main control valve core bar (3) is no more than the suitable for reading of described second through hole (Z), the vertical center line of the intermediate step of described main control valve core bar (3) overlaps with the vertical center line of fourth hole (G), the left circular groove of full symmetric and right circular groove is provided with at the right and left of this vertical center line, the right-hand member of described left circular groove is no more than fourth hole (G), more than the 6th through hole (B), the left end of described left circular groove is no more than the first through hole (F), the left end of described right circular groove is no more than fourth hole (G) more than the 7th through hole (C), the right-hand member of described right circular groove is no more than the 8th through hole (D), the 9th through hole (E) is provided with on the right of described 8th through hole (D), the diameter of described 9th through hole (E) and the equal diameters of described 8th through hole (D), described 9th through hole (E) is used logical described main through hole (A) and described fifth hole (H) from bottom to up, the interior screw thread of hexagonal blocking (21) in the lower end mouth of described 9th through hole (E) is provided with and installs, the level the tenth through hole (K) of used logical described 9th through hole (E) and described 8th through hole (D) is from right to left provided with at the center line of the main through hole in the right side (A) of described plate (1) and the center, lower end surface of described plate (1), the right-hand member of described tenth through hole (K) is provided with the screw thread installing blocking (20), and the right side of described blocking (20) does not exceed the right side of described plate (1), the shaft stretching out described plate (1) right-hand member that diameter becomes to be slidably matched with described hollow plug screw (19) internal diameter is provided with on the right of described main control valve core bar (3), the screw hole of screw thread in band is provided with in the right-hand member center of this shaft, this shaft is inserted in the hollow plug screw (19) of band seal ring (18), and described hollow plug screw (19) is screwed in the right-hand member threaded bore of main through hole (A), in the right-hand member of described main control valve core bar (3) in threaded bore spinning with the pull bar (16) of upper lower through-hole, with the fixing described pull bar (16) of nut (17), the handle (15) of the upper and lower through hole of sipes in band is inserted at the fore-and-aft direction of described pull bar (16), at the through hole articulated form driving screws (14) of this through hole and described pull bar (16), the flank of tooth head of band circular arc is become in the rear end machining of described handle (15), the center of arc of one flank of tooth head processes hinged pin-and-hole, connecting pin is inserted from the top down in this pin-and-hole, an elastic stopping sheet (24) protruded is fixed symmetrically in the fork pockets of rear, flank of tooth head center, a supporting base (12) had to the upper and lower through hole of front fork is put in the rear square block of described screw (14), described supporting base (12) is fixed by bolts to the rear of described plate (1), smooth flat is processed into before and after the upper end of described plate (1), two onesize lugs are stretched out in this plane left and right sides, being provided with the 11 through hole (8) for connecting another control valve body in the vertical orientation of this lug, in described 11 through hole (8), sealing in hexagon socket head cap screw (7), the 12 through hole (I) of screw thread in the band that third through-hole (M) described in the front of described plate (1) and fourth hole (G) jointing place are provided with setting pressure table (28).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077723.7A CN103174695B (en) | 2013-03-12 | 2013-03-12 | A kind of two dual control combination brake switch and proporting for hydraulic equipment |
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| CN201310077723.7A CN103174695B (en) | 2013-03-12 | 2013-03-12 | A kind of two dual control combination brake switch and proporting for hydraulic equipment |
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| CN103174695A CN103174695A (en) | 2013-06-26 |
| CN103174695B true CN103174695B (en) | 2016-01-20 |
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| CN201310077723.7A Active CN103174695B (en) | 2013-03-12 | 2013-03-12 | A kind of two dual control combination brake switch and proporting for hydraulic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105818937B (en) * | 2016-03-30 | 2018-03-02 | 中国十七冶集团有限公司 | The drilling rig of profundal zone |
| CN113431946B (en) * | 2021-06-04 | 2022-06-14 | 杭州爱力智控技术有限公司 | Integrated pressure-adjustable electromagnetic directional valve |
| CN113685385B (en) * | 2021-06-24 | 2022-04-15 | 扬州大学 | Hydraulic system oil way control piece and machining method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2467834Y (en) * | 2001-03-06 | 2001-12-26 | 徐州天地重型机械制造有限公司 | Concrete pump all hydraulic changing-over system combined valve |
| CN201043542Y (en) * | 2007-04-24 | 2008-04-02 | 上海立新液压有限公司 | Hydraulic combined valve |
| DE102007030882A1 (en) * | 2007-07-03 | 2009-01-08 | Alpha Fluid Hydrauliksysteme Müller GmbH | Hydraulic control oil supply device for electro hydraulic pilot adjustment device, has combination valve for control pressure process screwed as threaded cartridge in receiving hole for pressure relief valve in connecting plate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3115535B2 (en) * | 1996-09-05 | 2000-12-11 | 古河機械金属株式会社 | Distribution junction valve |
| US6651688B2 (en) * | 2000-12-07 | 2003-11-25 | Glen Brand | Divider-combiner valve |
| CN201096115Y (en) * | 2008-01-03 | 2008-08-06 | 常州乙顿液压气动机械制造有限公司 | Hydraulic combined valve |
| CN102678646A (en) * | 2012-05-29 | 2012-09-19 | 特福隆集团有限公司 | Hydraulic combination valve |
-
2013
- 2013-03-12 CN CN201310077723.7A patent/CN103174695B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2467834Y (en) * | 2001-03-06 | 2001-12-26 | 徐州天地重型机械制造有限公司 | Concrete pump all hydraulic changing-over system combined valve |
| CN201043542Y (en) * | 2007-04-24 | 2008-04-02 | 上海立新液压有限公司 | Hydraulic combined valve |
| DE102007030882A1 (en) * | 2007-07-03 | 2009-01-08 | Alpha Fluid Hydrauliksysteme Müller GmbH | Hydraulic control oil supply device for electro hydraulic pilot adjustment device, has combination valve for control pressure process screwed as threaded cartridge in receiving hole for pressure relief valve in connecting plate |
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| Publication number | Publication date |
|---|---|
| CN103174695A (en) | 2013-06-26 |
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