CN105370768A - Series hydrodynamic retarder - Google Patents
Series hydrodynamic retarder Download PDFInfo
- Publication number
- CN105370768A CN105370768A CN201510919340.9A CN201510919340A CN105370768A CN 105370768 A CN105370768 A CN 105370768A CN 201510919340 A CN201510919340 A CN 201510919340A CN 105370768 A CN105370768 A CN 105370768A
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- retarder
- ring
- labyrinth seal
- hollow shaft
- oil sealing
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Abstract
The invention discloses a series hydrodynamic retarder. The series hydrodynamic retarder comprises a retarder shell, wherein a retarder cover is fixed to the retarder shell through a bolt, a hollow shaft is arranged on the retarder shell and the retarder cover in a penetrating manner, a first oil seal seat ring, a cylindrical roller bearing, an oil return cover plate, a retarder rotor, a retarder stator, a deep groove ball bearing and a second oil seal seat ring are sequentially arranged on the hollow shaft, a first high-pressure oil seal structure and a second high-pressure oil seal structure are respectively arranged on the first oil seal seat ring and the second oil seal seat ring, and a first labyrinth seal structure and a second labyrinth seal structure are respectively arranged on the outer sides of the first high-pressure oil seal structure and the second high-pressure oil seal structure; and an input flange plate and an output flange plate are assembled at the two ends of the hollow shaft, and the input flange plate and the output flange plate are fastened by drag bolts. The retarder can be separated from a transmission rear cover and independently arranged on a transmission shaft system between a second vehicle axle and a driving axle, so that space interference problems are effectively solved.
Description
Technical field
The invention belongs to automobile retarder field, be specifically related to a kind of series connection hydrodynamic retarder.
Background technique
Long-time apply the brakes sheet braking causes huge hidden danger to the safety of vehicle, and taking place frequently of traffic accident causes the common concern of society.Along with user is to the raising of car load travelling brake security requirement, and the appearance of relevant laws and regulations GB7258, hydrodynamic retarder obtains common concern and the all-round popularization of user, and car load loads hydrodynamic retarder has become automobile industry development trend as complemental brake system.Coupling hydrodynamic retarder significantly can reduce the access times of brake block, the driving safety degree of lifting vehicle.Hydrodynamic retarder can be divided into series connection hydrodynamic retarder and hydrodynamic retarder in parallel according to assembling form.Series connection hydrodynamic retarder, because braking torque is large, be suitable for the features such as box is many, the rear axial dimension of installation is short, is subject to the favor of Ge great main engine factory and user.
Conventional serial hydrodynamic retarder dependence retarder support is connected and is attached on speed changer bonnet, and speed changer and retarder are arranged in vehicular transmission shaft as a whole and fasten.In actual retrofit process, the phenomenon that normal appearance causes retarder to assemble due to vehicle bottom installing space deficiency, as in doube bridge series vehicle before 6x2, because speed changer is shorter to vehicle two bridge distance, assembling demand can not be met, the applicable vehicle scope of series connection hydrodynamic retarder is restricted.
Summary of the invention
The object of the present invention is to provide a kind of series connection hydrodynamic retarder, to overcome the defect that above-mentioned prior art exists, retarder can be separated from speed changer bonnet by the present invention, is independently arranged in the drive line between vehicle two bridge and ransaxle, efficiently solves space interference problem.
For achieving the above object, the present invention adopts following technological scheme:
A kind of series connection hydrodynamic retarder, comprise retarder housing, retarder housing is bolted retarder lid, retarder housing and retarder cover to intert and are provided with hollow shaft, hollow shaft is provided with successively the first oil sealing seat ring, roller bearing, oil return cover plate, retarder rotor, retarder stator, deep groove ball bearing and the second oil sealing seat ring, first oil sealing seat ring and the second oil sealing seat ring are respectively equipped with the first High-pressure oil sealing structure and the second High-pressure oil sealing structure, the outside of the first High-pressure oil sealing structure and the second High-pressure oil sealing structure is respectively equipped with the first labyrinth seal structure and the second labyrinth seal structure, the two ends of hollow shaft are equipped with input flange dish and output flange, and input flange dish and output flange are fastening by turnbuckle.
Further, the both sides of the entirety of retarder housing and retarder lid composition are equipped with retarder connecting lateral plate.
Further, retarder connecting lateral plate is affixed on retarder housing by four bolts.
Further, the outside of retarder housing is provided with the control valve assembly for being filled with after the source of the gas step-down of taking from car load in the oil sump be made up of retarder lid and retarder housing, and for the cryogenic liquid of the high-temperature oil liquid flowed out in the active chamber be made up of retarder rotor and retarder stator and car load being carried out the heat exchanger assembly of exchange heat.
Further, the filler opening of heat exchanger assembly and water outlet are respectively equipped with the oil temperature sensor for monitoring inlet oil temperature and the cooling-water temperature sensor for monitoring water-exit temperature.
Further, the first labyrinth seal structure comprises the first labyrinth seal inner ring and the first labyrinth seal outer shroud that are connected; Second labyrinth seal structure comprises the second labyrinth seal inner ring and the second labyrinth seal outer shroud that are connected.
Further, between retarder lid and retarder housing, be provided with the first O-ring seals, and the first O-ring seals is enclosed within the O shape ring recess of retarder lid; Be provided with the second O-ring seals between hollow shaft and the first oil sealing seat ring, and the second O-ring seals is enclosed within the O shape ring recess of hollow shaft; Be provided with the 3rd O-ring seals between first labyrinth seal inner ring and retarder lid, and the 3rd O-ring seals is enclosed within the O shape ring recess outside the first labyrinth seal inner ring; Be provided with the 4th O-ring seals between oil return cover plate and retarder lid, and the 4th O-ring seals is enclosed within the O shape ring recess outside oil return cover plate; Be provided with the 5th O-ring seals between second labyrinth seal inner ring and retarder housing, and the 5th O-ring seals is enclosed within the O shape ring recess outside the second labyrinth seal inner ring; Be provided with the 6th O-ring seals between hollow shaft and the second oil sealing seat ring, and the 6th O-ring seals is enclosed within the O shape ring recess of hollow shaft.
Further, the first labyrinth seal inner ring is connected with retarder lid by the first screw with oil return cover plate; Retarder rotor is connected with hollow shaft by the second screw; Second labyrinth seal inner ring is connected with retarder housing by the 3rd screw with retarder stator.
Further, the first screw, the second screw and the 3rd screw are hexagon socket cap head screw.
Further, hollow shaft and be all equipped with oil sealing packing between oil return cover plate and retarder stator, and oil sealing packing is set on hollow shaft.
Compared with prior art, the present invention has following useful technique effect:
The present invention changes retarder input end into Flange joint, also the fluid sealing means identical with output terminal is adopted at series connection retarder input end, namely the two-stage that High-pressure oil sealing matches with labyrinth seal seals, and on retarder hollow shaft, arrange that roller bearing and deep groove ball bearing carry out axial restraint and radial support, connect in the present invention hydrodynamic retarder and speed changer to be connected with speed changer flange plate transferring power by retarder input flange dish, direct-connected or transition can be taked to connect according to actual conditions during assembling.When occurring that assembly space is interfered, retarder mounting point can be adjusted between vehicle two bridge and ransaxle, effectively prevent the problem of assembly space deficiency, widen the applicable vehicle scope of series connection hydrodynamic retarder.
Further, retarder is fixed on longeron, for retarder provides supplemental support by increasing retarder connecting lateral plate respectively in the retarder housing both sides of series connection hydrodynamic retarder by the present invention.
Further, control valve assembly of the present invention upon the reception of control signals, to be filled with in the oil sump be made up of retarder lid and retarder housing after the source of the gas step-down of taking from car load, fluid enters in the active chamber be made up of retarder rotor and retarder stator under the influence of air pressure, and transfers to produce braking moment with the high-speed rotary of retarder rotor.The cryogenic liquid of the high-temperature oil liquid flowed out in retarder active chamber and car load is carried out exchange heat by heat exchanger assembly, realizes the cooling of fluid, reaches the object of periodic duty.
Further, the filler opening of heat exchanger assembly and water outlet are respectively fitted with oil temperature sensor and cooling-water temperature sensor, are convenient to monitor in real time retarder inside temperature, ensure the normal work of retarder.
Further, due to retarder, to be fitted to each other face more, crucial junction plane is separately installed with O-ring seals and carries out fluid sealing, prevent Seepage.
Further, hollow shaft and be respectively fitted with oil sealing packing between oil return cover plate and retarder stator, oil sealing packing can carry out elementary step-down to the fluid flowed out in active chamber, avoids damage first High-pressure oil sealing structure and the second High-pressure oil sealing structure.
Accompanying drawing explanation
Fig. 1 is the detailed total figure of part of the present invention;
Fig. 2 is local part detailed drawing in Fig. 1;
Fig. 3 is overall structure schematic diagram of the present invention;
Fig. 4 is the integrally-built left view of Fig. 3;
Fig. 5 is the integrally-built right elevation of Fig. 3;
Fig. 6 is the integrally-built plan view of Fig. 3;
Fig. 7 is the integrally-built right elevation of Fig. 5.
Wherein, 1, retarder lid; 2, retarder housing; 3, the first O-ring seals; 4, retarder connecting lateral plate; 5, the first screw; 6, input flange dish; 7, turnbuckle; 8, hollow shaft; 9, the second O-ring seals; 10, the first oil sealing seat ring; 11, the first labyrinth seal outer shroud; 12, the first High-pressure oil sealing structure; 13, roller bearing; 14, the 3rd O-ring seals; 15, the first labyrinth seal inner ring; 16, oil return cover plate; 17, the 4th O-ring seals; 18, the second screw; 19, retarder rotor; 20, retarder stator; 21, control valve assembly; 22, the 5th O-ring seals; 23, the 3rd screw; 24, deep groove ball bearing; 25, the second labyrinth seal inner ring; 26, the second High-pressure oil sealing structure; 27, the second labyrinth seal outer shroud; 28, the second oil sealing seat ring; 29, the 6th O-ring seals; 30, oil sealing packing; 31, output flange; 32, oil temperature sensor; 33, cooling-water temperature sensor; 34, heat exchanger assembly.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Connect in the present invention hydrodynamic retarder and speed changer to be connected with speed changer flange plate transferring power by retarder input flange dish 6, direct-connected or transition can be taked to connect according to actual conditions during assembling.When occurring that assembly space is interfered, retarder mounting point can be adjusted between vehicle two bridge and ransaxle, effectively prevent the problem of assembly space deficiency, widen the applicable vehicle scope of series connection hydrodynamic retarder.Due to series connection hydrodynamic retarder is separated independent assembling from speed changer bonnet, therefore need to rearrange retarder partial structurtes.Retarder is fixed on longeron, for retarder provides supplemental support by increasing retarder connecting lateral plate 4 respectively in retarder housing 2 both sides of series connection hydrodynamic retarder by the present invention.Simultaneously, because retarder input end changes Flange joint into, therefore the fluid sealing means identical with output terminal is also adopted at series connection retarder input end, namely the two-stage that High-pressure oil sealing matches with labyrinth seal seals, and on retarder hollow shaft 8, arrange that roller bearing 13 and deep groove ball bearing 24 carry out axial restraint and radial support.
This invention internal structure design as shown in Figure 1, control valve assembly 21 upon the reception of control signals, to be filled with in the oil sump be made up of retarder lid 1 and retarder housing 2 after the source of the gas step-down of taking from car load, fluid enters in the active chamber be made up of retarder rotor 19 and retarder stator 20 under the influence of air pressure, and transfers to produce braking moment with the high-speed rotary of retarder rotor 19.The cryogenic liquid of the high-temperature oil liquid flowed out in retarder active chamber and car load is carried out exchange heat by heat exchanger assembly 34, realizes the cooling of fluid, reaches the object of periodic duty.On the filler opening that oil temperature sensor 32 and cooling-water temperature sensor 33 are assemblied in heat exchanger assembly 34 respectively and water outlet, be convenient to monitor in real time retarder inside temperature, ensure the normal work of retarder.
The present invention adopts the two-stage fluid sealing means identical with output terminal (on the right side of Fig. 1) at retarder input end (on the left of Fig. 1).Retarder first High-pressure oil sealing structure 12 and the second High-pressure oil sealing structure 26 are assemblied on retarder lid 1 and retarder housing 2 by position shown in Fig. 1 respectively, carry out the primary seal of retarder fluid, the first labyrinth seal inner ring 15, first labyrinth seal outer shroud 11, second labyrinth seal inner ring 25 and the second labyrinth seal outer shroud 27 mate the secondary fluid sealing carrying out retarder input end and output terminal respectively.Input flange dish 6 and output flange 31 are with hollow shaft 8 by spline fitted assembly connection, and turnbuckle 7 such as figure is assemblied on the interior threaded hole of output flange 31 and input flange dish 6.In the present invention, input flange dish 6 is identical with output flange 31 part numbers, and turnbuckle 7 is connected with the screw-internal thread fit of output flange 31 and input flange dish 6 respectively.If when the two is different part in real process, the interior threaded hole of output flange 31 can be changed into via hole or expand internal thread aperture, turnbuckle 7 is only connected with the screw-internal thread fit of input flange dish 6.When product of the present invention mates the speed changer of different model, only need the model selecting corresponding input flange dish 6.
Due to retarder, to be fitted to each other face more, crucial junction plane is separately installed with O-ring seals and carries out fluid sealing, prevent Seepage.Retarder rotor 19 is assemblied on hollow shaft 8 by the second screw 18, hollow shaft 8 and be respectively fitted with oil sealing packing 30 between oil return cover plate 16 and retarder stator 20, oil sealing packing 30 can carry out elementary step-down to the fluid flowed out in active chamber, avoids damage first High-pressure oil sealing structure 12 and the second High-pressure oil sealing structure 26.Roller bearing 13 outer ring is assemblied on oil return cover plate 16, inner ring is assemblied on hollow shaft 8, first labyrinth seal inner ring 15, retarder lid 1 and oil return cover plate 16 is by the first screw 5 assembly connection, deep groove ball bearing 24 outer ring is assemblied in the bearing hole of retarder stator 20, inner ring is assemblied on hollow shaft 8, and the second labyrinth seal inner ring 25, retarder housing 2 and retarder stator 20 is by the 3rd screw 23 assembly connection.Retarder connecting lateral plate 4 is affixed on retarder housing 2 by four bolts as shown in Figure 4.
Below operating process of the present invention is described in detail:
As shown in Figure 1, the present invention uses roller bearing 13 and deep groove ball bearing 24 to coordinate fixed support in series connection hydrodynamic retarder inside, and the mounting point of roller bearing 13 and deep groove ball bearing 24 is interchangeable.When retarder works, deep groove ball bearing 24 can bear the axial force to the left or to the right because retarder rotor 19 leaf sheet Pour angle produces, and axial force reaches on retarder housing 2 the most at last.Have employed on the left of retarder with retarder on the right side of the fluid sealing configuration of same principle, when the first High-pressure oil sealing structure 12 lost efficacy, fluid leaks in the first labyrinth seal inner ring 15, coordinate by the first labyrinth seal outer shroud 11 and the first labyrinth seal inner ring 15 secondary seal realizing fluid, prevent from continuing to leak.Be respectively fitted with the 3rd O-ring seals 14 and the second O-ring seals 9 outside first labyrinth seal inner ring 15 and hollow shaft 8, prevent fluid from leaking out from fit up gap.Retarder input flange dish 6 and output flange 31 are strained and fixed by turnbuckle 7.In car load matching process, input flange dish 6 is connected with speed changer output flange, and output flange 31 mates with transmission shaft and is connected.When the axial assembly space of retarder is not enough, can move between two bridges and ransaxle by behind the axial mounting point of retarder, retarder input flange dish 6 is connected with transmission shaft flange respectively with output flange 31, finally completes Matching installation.Respectively be designed with a pair connecting bolt nut before and after retarder connecting lateral plate 4, can retarder be fixed on longeron, realize side supplemental support.
As shown in Figure 1, during assembling, first the Internal and external cycle of roller bearing 13 and deep groove ball bearing 24 is assembled by position shown in Fig. 1, stand-by in the axis hole that the first High-pressure oil sealing structure 12 and the second High-pressure oil sealing structure 26 are pressed into retarder lid 1 and retarder housing 2 respectively.Smear sealer at retarder housing 2 and retarder stator 20 junction plane, make to be joined with bolts.By the second screw 18, retarder rotor 19 and hollow shaft 8 dress are integrated, hollow shaft 8 are inserted in entirety after two oil sealing packings 30, the 6th O-ring seals 29 and the second O-ring seals 9 as figure assembles.First O-ring seals 3 and the 4th O-ring seals 17 are inserted on the O shape ring recess of retarder lid 1 and oil return cover plate 16 respectively, smear sealer respectively at retarder lid 1 and the junction plane of retarder housing 2 and oil return cover plate 16, use bolt to be mounted with as shown in Figure 1 respectively.3rd O-ring seals 14 and the 5th O-ring seals 22 are inserted in respectively in the O shape ring recess outside the first labyrinth seal inner ring 15 and the second labyrinth seal inner ring 25, on the left of retarder and right side as figure assembling first oil sealing seat ring 10, first labyrinth seal inner ring 15, second oil sealing seat ring 28 and the second labyrinth seal inner ring 25, be connected and fixed respectively by the first screw 5 and the 3rd screw 23.To be assembled complete after, assemble the first labyrinth seal outer shroud 11, input flange dish 6, second labyrinth seal outer shroud 27 and output flange 31 respectively, and use turnbuckle 7 to strain, complete axial restraint.The component such as retarder connecting lateral plate 4, heat exchanger assembly 34, oil temperature sensor 32, cooling-water temperature sensor 33, control valve assembly 21 are assembled afterwards as shown in Fig. 3 ~ Fig. 7.
Claims (10)
1. a series connection hydrodynamic retarder, it is characterized in that, comprise retarder housing (2), retarder housing (2) is bolted retarder lid (1), retarder housing (2) and retarder lid (1) upper interting are provided with hollow shaft (8), hollow shaft (8) is provided with successively the first oil sealing seat ring (10), roller bearing (13), oil return cover plate (16), retarder rotor (19), retarder stator (20), deep groove ball bearing (24) and the second oil sealing seat ring (28), first oil sealing seat ring (10) and the second oil sealing seat ring (28) are respectively equipped with the first High-pressure oil sealing structure (12) and the second High-pressure oil sealing structure (26), the outside of the first High-pressure oil sealing structure (12) and the second High-pressure oil sealing structure (26) is respectively equipped with the first labyrinth seal structure and the second labyrinth seal structure, the two ends of hollow shaft (8) are equipped with input flange dish (6) and output flange (31), and input flange dish (6) and output flange (31) fastening by turnbuckle (7).
2. one series connection hydrodynamic retarder according to claim 1, it is characterized in that, the both sides of the entirety that retarder housing (2) and retarder lid (1) form are equipped with retarder connecting lateral plate (4).
3. one series connection hydrodynamic retarder according to claim 2, it is characterized in that, retarder connecting lateral plate (4) is affixed on retarder housing (2) by four bolts.
4. one series connection hydrodynamic retarder according to claim 1, it is characterized in that, the outside of retarder housing (2) is provided with the control valve assembly (21) for being filled with after the source of the gas step-down of taking from car load in the oil sump be made up of retarder lid (1) and retarder housing (2), and for the cryogenic liquid of the high-temperature oil liquid flowed out in the active chamber be made up of retarder rotor (19) and retarder stator (20) and car load being carried out the heat exchanger assembly (34) of exchange heat.
5. one series connection hydrodynamic retarder according to claim 4, it is characterized in that, the filler opening of heat exchanger assembly (34) and water outlet are respectively equipped with the oil temperature sensor (32) for monitoring inlet oil temperature and the cooling-water temperature sensor (33) for monitoring water-exit temperature.
6. one series connection hydrodynamic retarder according to claim 1, it is characterized in that, the first labyrinth seal structure comprises the first labyrinth seal outer shroud (11) and the first labyrinth seal inner ring (15) that are connected; Second labyrinth seal structure comprises the second labyrinth seal inner ring (25) and the second labyrinth seal outer shroud (27) that are connected.
7. one series connection hydrodynamic retarder according to claim 6, it is characterized in that, be provided with the first O-ring seals (3) between retarder lid (1) and retarder housing (2), and the first O-ring seals (3) is enclosed within the O shape ring recess of retarder lid (1); Be provided with the second O-ring seals (9) between hollow shaft (8) and the first oil sealing seat ring (10), and the second O-ring seals (9) is enclosed within the O shape ring recess of hollow shaft (8); Be provided with the 3rd O-ring seals (14) between first labyrinth seal inner ring (15) and retarder lid (1), and the 3rd O-ring seals (14) is enclosed within the O shape ring recess in the first labyrinth seal inner ring (15) outside; Be provided with the 4th O-ring seals (17) between oil return cover plate (16) and retarder lid (1), and the 4th O-ring seals (17) is enclosed within the O shape ring recess in oil return cover plate (16) outside; Be provided with the 5th O-ring seals (22) between second labyrinth seal inner ring (25) and retarder housing (2), and the 5th O-ring seals (22) is enclosed within the O shape ring recess in the second labyrinth seal inner ring (25) outside; Be provided with the 6th O-ring seals (29) between hollow shaft (8) and the second oil sealing seat ring (28), and the 6th O-ring seals (29) is enclosed within the O shape ring recess of hollow shaft (8).
8. one series connection hydrodynamic retarder according to claim 6, it is characterized in that, the first labyrinth seal inner ring (15) is connected with retarder lid (1) by the first screw (5) with oil return cover plate (16); Retarder rotor (19) is connected with hollow shaft (8) by the second screw (18); Second labyrinth seal inner ring (25) is connected with retarder housing (2) by the 3rd screw (23) with retarder stator (20).
9. one series connection hydrodynamic retarder according to claim 8, it is characterized in that, the first screw (5), the second screw (18) and the 3rd screw (23) are hexagon socket cap head screw.
10. one series connection hydrodynamic retarder according to claim 1, it is characterized in that, hollow shaft (8) and be all equipped with oil sealing packing (30) between oil return cover plate (16) and retarder stator (20), and oil sealing packing (30) is set on hollow shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919340.9A CN105370768A (en) | 2015-12-10 | 2015-12-10 | Series hydrodynamic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919340.9A CN105370768A (en) | 2015-12-10 | 2015-12-10 | Series hydrodynamic retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105370768A true CN105370768A (en) | 2016-03-02 |
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ID=55373254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510919340.9A Pending CN105370768A (en) | 2015-12-10 | 2015-12-10 | Series hydrodynamic retarder |
Country Status (1)
| Country | Link |
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| CN (1) | CN105370768A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939866A (en) * | 2017-12-25 | 2018-04-20 | 深圳市特尔佳科技股份有限公司 | Retarder |
| CN108035991A (en) * | 2017-12-25 | 2018-05-15 | 深圳市特尔佳科技股份有限公司 | Monoblock type Retarder housing |
| CN108533643A (en) * | 2018-05-29 | 2018-09-14 | 陕西法士特齿轮有限责任公司 | A kind of series connection Retarder |
| CN110509906A (en) * | 2019-09-19 | 2019-11-29 | 深圳市特尔佳科技股份有限公司 | A kind of control system of the automobile-used Retarder of underground work |
| CN110745120A (en) * | 2019-09-19 | 2020-02-04 | 深圳市特尔佳科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
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| EP2479449A1 (en) * | 2011-01-18 | 2012-07-25 | Siemens Aktiengesellschaft | Hydrodynamic coupling with multi-stage pre-chamber |
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| CN204239536U (en) * | 2014-11-28 | 2015-04-01 | 宁波华盛汽车部件有限公司 | The drive mechanism of hydrodynamic retarder |
| CN204784316U (en) * | 2015-06-18 | 2015-11-18 | 陕西法士特齿轮有限责任公司 | Heat exchanger is series connection hydraulic retarber of form of arranging newly |
| CN205278174U (en) * | 2015-12-10 | 2016-06-01 | 陕西法士特齿轮有限责任公司 | Series connection hydraulic retarber |
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| EP2479449A1 (en) * | 2011-01-18 | 2012-07-25 | Siemens Aktiengesellschaft | Hydrodynamic coupling with multi-stage pre-chamber |
| CN103047322A (en) * | 2013-01-25 | 2013-04-17 | 重庆杰里安科技有限公司 | Hydraulic retarder |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939866A (en) * | 2017-12-25 | 2018-04-20 | 深圳市特尔佳科技股份有限公司 | Retarder |
| CN108035991A (en) * | 2017-12-25 | 2018-05-15 | 深圳市特尔佳科技股份有限公司 | Monoblock type Retarder housing |
| CN108533643A (en) * | 2018-05-29 | 2018-09-14 | 陕西法士特齿轮有限责任公司 | A kind of series connection Retarder |
| CN108533643B (en) * | 2018-05-29 | 2024-04-09 | 陕西法士特齿轮有限责任公司 | Series hydraulic retarder |
| CN110509906A (en) * | 2019-09-19 | 2019-11-29 | 深圳市特尔佳科技股份有限公司 | A kind of control system of the automobile-used Retarder of underground work |
| CN110745120A (en) * | 2019-09-19 | 2020-02-04 | 深圳市特尔佳科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
| CN110745120B (en) * | 2019-09-19 | 2022-04-22 | 深圳市大为创新科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
| CN110509906B (en) * | 2019-09-19 | 2024-04-02 | 深圳市大为创新科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
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