CN111959478A - Tread brake device - Google Patents
Tread brake device Download PDFInfo
- Publication number
- CN111959478A CN111959478A CN202010875561.1A CN202010875561A CN111959478A CN 111959478 A CN111959478 A CN 111959478A CN 202010875561 A CN202010875561 A CN 202010875561A CN 111959478 A CN111959478 A CN 111959478A
- Authority
- CN
- China
- Prior art keywords
- oil
- power seat
- chute
- left part
- push rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/34—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
- F16N31/02—Oil catchers; Oil wipers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of rail transit, in particular to a tread braking device, which comprises a power seat and a push rod penetrating and slidably connected with the power seat, wherein an upper chute and a lower chute are symmetrically arranged in the power seat from top to bottom, an arc chute communicated with the upper chute and the lower chute is arranged on the side wall of the right end in the power seat, an oil feeding mechanism and an oil collecting mechanism are respectively arranged on the upper side of the left part and the lower side of the left part of the power seat, and the oil feeding mechanism comprises an oil storage cavity arranged on the upper side of the left part of the power seat and communicated with the upper chute, and an oil baffle ring arranged between the oil storage cavity and the upper; the invention is beneficial to reducing the abrasion between the push rod and the power seat, can realize the recycling of lubricating oil and reduce the loss of the lubricating oil.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a tread braking device.
Background
With the increasing development of technology, the brake system of most rail vehicles at present uses a tread brake structure, and when braking, a brake shoe holds the tread of a wheel tightly, so that the wheel stops rotating through friction.
In the prior art, chinese patent 2016214230520 discloses a rail vehicle electric tread brake, which includes a brake block, a position-following push head, a dust cover, a casing, a power seat, a driving part, a sensor, an adjusting rod, a limit ring, a compensation motor, a compensation mechanism, a wiring box, an electric control cabin, a brake spring, and a push rod, wherein the power seat and the driving part are arranged in an open cavity of the casing, the front end of the adjusting rod is inserted into a step hole of the driving part until being inserted into a cavity of the power seat, the rear end of the adjusting rod is communicated with the sensor, the rear end of the push rod is inserted into a center hole of the adjusting rod, the front end of the adjusting rod can be freely moved and inserted into a center hole of the position-following push head, the brake spring is sleeved on. The tread brake has the advantages that: the electric power source mode is adopted instead of a huge high-pressure air source for providing power, the attractive force generated by the power seat and the driving part after power is obtained is utilized to push the brake shoe to move, the wheel surface is compressed to generate friction force to realize the speed reduction positioning requirement, and the function of accurately compensating the working stroke of the push rod by monitoring the working stroke of the push rod is realized automatically
However, the above device has the following defects and shortcomings in the application process:
when the push rod pushes and works, the push rod can generate large friction at the place where the push rod contacts with the power seat when sliding, the long-time use can lead to serious abrasion between the push rod and the power seat, the service life is shortened, the braking effect can not be ensured, and the traditional lubricating oil filling mode is manual filling, so that the maintenance time is short, the operation is complex, and the time and the labor are wasted.
Disclosure of Invention
In view of the above-mentioned disadvantages of the prior art, the present invention provides a tread brake device, which can effectively solve the above-mentioned technical problems.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a tread braking device comprises a power seat and a push rod which is connected to the power seat in a penetrating and sliding manner, wherein an upper sliding groove and a lower sliding groove are symmetrically formed in the power seat from top to bottom, an arc-shaped sliding groove which is communicated with the upper sliding groove and the lower sliding groove is formed in the side wall of the right end in the power seat, and an oil feeding mechanism and an oil collecting mechanism are respectively arranged on the upper side of the left part and the lower side of the left part of the power seat;
the oil feeding mechanism comprises an oil storage cavity which is arranged on the upper side of the left part of the power seat and communicated with the upper chute, an oil control ring which is arranged between the oil storage cavity and the upper chute, an oil ring which is fixedly connected in the upper part of the oil storage cavity and an oil control ball which is connected to the lower side of the oil ring through a spring, the bottom ball side of the oil control ball is attached to the inner side wall of the oil control ring, and the bottommost part of the oil control ball is positioned in the upper chute;
the oil collecting mechanism comprises an oil collecting channel which is arranged on the lower side of the left part of the power seat and communicated with the lower chute, an oil collecting cavity which is arranged on the lower side of the left part of the power seat and communicated with the oil collecting channel and positioned on the lower side of the oil collecting channel, a piston which is arranged in the oil collecting cavity and matched with the oil collecting cavity, and a plug rod which is arranged on the bottom side of the piston, wherein a one-way oil inlet valve is arranged between the oil collecting channel and the oil collecting cavity, an oil guide channel which is communicated with the oil collecting cavity and the oil storage cavity is arranged in the left part of the power seat, a one-way oil outlet valve is arranged between the oil guide channel and;
the side wall of the circumference of the middle part of the push rod is provided with a slide block in sliding fit with the upper sliding groove, the lower sliding groove and the arc-shaped sliding groove, the left part of the push rod is vertically and rotatably connected with a connecting piece through a rotating ring, the bottom end of the connecting piece is vertically provided with a guide piece, and a guide opening which is inclined and is in sliding fit with the guide rod is formed in the guide piece.
Furthermore, an oil injection pipe communicated with the oil storage cavity is arranged on the outer wall of the upper side of the left part of the power seat, and a threaded cover is connected to the upper end of the oil injection pipe in a threaded manner; lubricating oil can be conveniently injected into the oil storage cavity.
Furthermore, the inner side wall of the circumference of the oil control ring is provided with a binding surface which is attached to the spherical surface of the oil control ball; the sealing performance between the oil control ring and the oil control ball is improved, and therefore the oil control effect is achieved.
Furthermore, a filter screen is arranged between the one-way oil outlet valve and the oil collecting cavity; prevent materials such as oil residue from entering the oil guide passage, and improve the cleanliness of lubricating oil in the oil storage cavity.
Furthermore, the left part of the push rod is provided with an annular concave sliding groove, and the circumferential inner side wall of the rotating ring is rotatably connected with a plurality of groups of balls in sliding fit with the annular concave sliding groove through a plurality of groups of rotating shafts; the rotary ring is connected with the push rod in a rotating way.
Furthermore, a limiting hole is formed in the middle of the connecting piece, a limiting rod is arranged on the lower portion of the left side of the power seat, and the left end of the limiting rod penetrates through the limiting hole; the connecting piece can only move along the direction of the limiting rod, so that the moving stability of the guide vane is improved.
Further, the oil guide passage is arc-shaped.
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. according to the invention, the interval time for rotating the push rod is set, so that the slide block intermittently enters the upper chute, the push rod reciprocates, the lubricating oil is intermittently injected between the push rod and the power seat by the oil feeding mechanism, and the abrasion between the push rod and the power seat is reduced.
2. According to the invention, through the oil collecting mechanism, when the push rod moves in a reciprocating manner, the lubricating oil is recycled, and the loss of the lubricating oil is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A' of the present invention;
the reference numerals in the drawings denote: 1-a power seat; 2-a push rod; 3-an upper chute; 4-a lower chute; 5-arc chute; 6-oil storage chamber; 7-oil control rings; an 8-oil ring; 9-a spring; 10-oil resistant balls; 11-an oil collecting channel; 12-an oil collecting cavity; 13-a piston; 14-a stopper rod; 15-one-way oil inlet valve; 16-oil guide channel; 17-one-way oil outlet valve; 18-a guide bar; 19-a slide block; 20-rotating; 21-a connector; 22-a guide vane; 23-a guide port; 24-a filler pipe; 25-a screw cap; 26-a filter screen; 27-a ball; 28-limiting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Examples
A tread surface brake device according to the present embodiment, with reference to fig. 1 to 3: including power seat 1 and the push rod 2 of running through sliding connection in power seat 1, spout 3 and lower spout 4 have been seted up to the inside longitudinal symmetry of power seat 1, and the arc spout 5 of spout 3 and lower spout 4 on the intercommunication is seted up to the inside right-hand member lateral wall of power seat 1. The power seat 1 can be cylindrical, a sliding hole channel matched with the push rod 2 is axially arranged in the middle of the power seat, and the upper sliding groove 3, the lower sliding groove 4 and the arc-shaped sliding groove 5 are all arranged in the sliding hole channel. The directions of "up", "down", "left" and "right" are based on the directions shown in FIGS. 1 and 2.
The upper side of the left part and the lower side of the left part of the power seat 1 are respectively provided with an oil feeding mechanism and an oil collecting mechanism.
The oil feeding mechanism comprises an oil storage cavity 6 which is arranged on the upper side of the left part of the power seat 1 and communicated with the upper chute 3, an oil resistance ring 7 which is arranged between the oil storage cavity 6 and the upper chute 3, an oil ring 8 which is fixedly connected in the upper part of the oil storage cavity 6 and an oil resistance ball 10 which is connected to the lower side of the oil ring 8 through a spring 9, wherein the ball side of the bottom of the oil resistance ball 10 is attached to the inner side wall of the oil resistance ring 7, and the bottommost part of the oil resistance ball is positioned in the. The oil ring 8 can be fixedly sleeved with a cross and is fixedly connected to the upper part of the oil storage cavity 6 through the cross.
The oil collecting mechanism comprises an oil collecting channel 11 which is arranged on the lower side of the left part of the power base 1 and communicated with the lower chute 4, an oil collecting cavity 12 which is arranged on the lower side of the left part of the power base 1 and communicated with the oil collecting channel 11 and is positioned on the lower side of the oil collecting channel 11, a piston 13 which is arranged in the oil collecting cavity 12 and is matched with the oil collecting cavity, and a plug rod 14 which is arranged on the bottom side of the piston 13, wherein a one-way oil inlet valve 15 is arranged between the oil collecting channel 11 and the oil collecting cavity 12, an oil guide channel 16 which is communicated with the oil collecting cavity 12 and the oil storage cavity 6 is arranged in the left part of the power base 1, a one-way oil outlet valve 17 is arranged between the oil guide channel 16 and. The oil guide passage 16 is preferably arc-shaped.
The side wall of the circumference of the middle part of the push rod 2 is provided with a slide block 19 which is in sliding fit with the upper chute 3, the lower chute 4 and the arc chute 5, the left part of the push rod 2 is vertically and rotatably connected with a connecting piece 21 through a rotating ring 20, the bottom end of the connecting piece 21 is vertically provided with a guide vane 22, and the guide vane 22 is provided with a guide opening 23 which is inclined and is in sliding fit with the guide rod 18. The guide vanes 22 may be two sets symmetrically arranged front and back, and the guide bar 18 is rotatably sleeved on the upper sliding sleeve, so as to improve the smoothness of the sliding.
Wherein, the outer wall of the upper side of the left part of the power seat 1 is provided with an oil injection pipe 24 communicated with the oil storage cavity 6, and the upper end of the oil injection pipe 24 is in threaded connection with a threaded cover 25; the lubricating oil can be conveniently injected into the oil storage chamber 6.
Wherein, the inner side wall of the circumference of the oil control ring 7 is provided with a binding surface which is jointed with the spherical surface of the oil control ball 10; the joint surface is arc-shaped, so that the sealing performance between the oil control ring 7 and the oil control ball 1 is improved, and the oil control effect is achieved.
Wherein, a filter screen 26 is arranged between the one-way oil outlet valve 17 and the oil collecting cavity 12; prevents oil residue and other substances from entering the oil guide passage 16, and improves the cleanliness of lubricating oil in the oil storage cavity 6.
Wherein, the left part of the push rod 2 is provided with an annular concave chute, the inner side wall of the circumference of the rotating ring 20 is rotationally connected with a plurality of groups of balls 27 which are in sliding fit with the annular concave chute through a plurality of groups of rotating shafts; the rotary ring 20 is connected with the push rod 2 in a rotating way.
Wherein, the middle part of the connecting piece 21 is provided with a limit hole, the lower part of the left side of the power seat 1 is provided with a limit rod 28, and the left end of the limit rod 28 passes through and penetrates out of the limit hole; so that the connecting piece 21 can only move along the direction of the limiting rod 28, thereby improving the moving stability of the guide vane 22.
The working principle is as follows:
under the ordinary working state, when the push rod 2 is stressed to reciprocate along the axial direction of the power seat 1, the slide block 19 synchronously reciprocates in the lower chute 4.
After the push rod 2 normally reciprocates for a period of time, the position of the push rod 2 can be adjusted in a manual or other electric mode, at the moment, the push rod 2 moves rightwards, so that the slide block 19 slides to a position between the lower slide groove 4 and the arc-shaped slide groove 5, then the push rod 2 is driven to rotate 180 degrees, the slide block 19 slides to a position between the arc-shaped slide groove 5 and the upper slide groove 3 along the arc-shaped slide groove 5, then the push rod 2 moves leftwards, so that the slide block 19 moves along the upper slide groove 3, when the slide block 19 moves to a position between the upper slide groove 3 and the oil storage cavity 6, the oil blocking ball 10 is extruded to move upwards, meanwhile, the spring 9 is further compressed, a gap is formed between the oil blocking ball 10 and the oil blocking ring 7, and lubricating oil in the oil storage cavity 6 enters the upper; the oiling operation can be completed at one time, and the intermittent oiling operation can be maintained along with the reciprocating movement of the push rod 2 at the position for a period of time, so that the lubricating oil can be automatically and intermittently injected between the push rod 2 and the power seat 1, and the abrasion between the push rod and the power seat is reduced; after oiling is finished, the push rod 2 is driven to reset, namely the push rod 2 is moved rightwards, and then the push rod 2 is rotated by 180 degrees, so that the slide block 19 is reset into the lower chute 4.
By arranging the oil collecting channel 11, redundant lubricating oil between the push rod 2 and the power seat 1 can be collected; when the push rod 2 reciprocates left and right, the guide vane 22 is driven to reciprocate through the switching action of the swivel 20 and the connecting action of the connecting piece 21, and the plug rod 14 is driven to reciprocate up and down through the sliding fit of the guide rod 18 and the guide port 23 which is obliquely arranged, so that the piston 13 reciprocates up and down in the oil collecting cavity 12; through the cooperation of the one-way oil inlet valve 15 and the one-way oil outlet valve 17, when the piston 13 moves downwards, the lubricating oil in the oil collecting channel 11 is sucked into the oil collecting cavity 12, and when the piston 13 moves upwards, the lubricating oil in the oil collecting channel 11 is squeezed into the oil guide channel 16, so that the recovered lubricating oil is continuously squeezed into the oil guide channel 16 through the up-and-down reciprocating movement of the piston 13 and is finally discharged into the oil storage cavity 6, thereby realizing the recycling of the lubricating oil and reducing the loss of the lubricating oil. After a period of use, the used lubricating oil can be taken out from the oil storage cavity 6 and replaced, and the filter screen 26 is replaced at the same time; it is of course also possible to replace the lubricating oil by removing the piston 13.
The device can enable the sliding block 19 to intermittently enter the upper chute 3 by setting the interval time for rotating the push rod 2, so that the push rod 2 reciprocates, the lubricating oil is intermittently injected between the push rod 2 and the power seat 1 by the oil feeding mechanism, and the abrasion between the push rod and the power seat is reduced; meanwhile, through the oil collecting mechanism, when the push rod 2 moves in a reciprocating mode, the lubricating oil is recycled, and the loss of the lubricating oil is reduced.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (7)
1. The utility model provides a tread arresting gear, includes power seat (1) and runs through push rod (2) of sliding connection in power seat (1), its characterized in that:
an upper sliding chute (3) and a lower sliding chute (4) are symmetrically arranged in the power seat (1) from top to bottom, an arc-shaped sliding chute (5) communicated with the upper sliding chute (3) and the lower sliding chute (4) is arranged on the side wall of the right end in the power seat (1), and an oil feeding mechanism and an oil collecting mechanism are respectively arranged on the upper side of the left part and the lower side of the left part of the power seat (1);
the oil feeding mechanism comprises an oil storage cavity (6) which is arranged on the upper side of the left part of the power seat (1) and communicated with the upper chute (3), an oil blocking ring (7) which is arranged between the oil storage cavity (6) and the upper chute (3), an oil ring (8) which is fixedly connected into the upper part of the oil storage cavity (6) and an oil blocking ball (10) which is connected to the lower side of the oil ring (8) through a spring (9), wherein the ball side at the bottom of the oil blocking ball (10) is attached to the inner side wall of the oil blocking ring (7), and the bottommost part of the oil blocking ball is positioned in the upper chute (3;
the oil collecting mechanism comprises an oil collecting channel (11) which is arranged on the lower side of the left part of the power seat (1) and communicated with the lower sliding chute (4), an oil collecting cavity (12) which is arranged on the lower side of the left part of the power seat (1) and communicated with the oil collecting channel (11) and is positioned on the lower side of the oil collecting channel (11), a piston (13) which is arranged in the oil collecting cavity (12) and matched with the oil collecting cavity, and a plug rod (14) which is arranged on the bottom side of the piston (13), wherein a one-way oil inlet valve (15) is arranged between the oil collecting channel (11) and the oil collecting cavity (12), an oil guide channel (16) which is communicated with the oil collecting cavity (12) and the oil storage cavity (6) is arranged in the left part of the power seat (1), a one-way oil outlet valve (17) is arranged between the oil guide channel (16) and the oil collecting cavity (12);
the side wall of the circumference of the middle part of the push rod (2) is provided with a slide block (19) which is in sliding fit with the upper chute (3), the lower chute (4) and the arc chute (5), the left part of the push rod (2) is vertically and rotatably connected with a connecting piece (21) through a rotating ring (20), the bottom end of the connecting piece (21) is vertically provided with a guide piece (22), and the guide piece (22) is provided with a guide opening (23) which is inclined and is in sliding fit with the guide rod (18).
2. A tread brake device according to claim 1 wherein: an oil filling pipe (24) communicated with the oil storage cavity (6) is arranged on the outer wall of the upper side of the left part of the power seat (1), and a threaded cover (25) is connected to the upper end of the oil filling pipe (24) in a threaded manner.
3. A tread brake device according to claim 1 wherein: and the inner side wall of the circumference of the oil control ring (7) is provided with a binding surface which is attached to the spherical surface of the oil control ball (10).
4. A tread brake device according to claim 1 wherein: a filter screen (26) is arranged between the one-way oil outlet valve (17) and the oil collecting cavity (12).
5. A tread brake device according to claim 1 wherein: the left part of the push rod (2) is provided with an annular concave sliding groove, and the inner side wall of the circumference of the rotating ring (20) is rotatably connected with a plurality of groups of balls (27) in sliding fit with the annular concave sliding groove through a plurality of groups of rotating shafts.
6. A tread brake device according to claim 1 wherein: the middle part of the connecting piece (21) is provided with a limiting hole, the lower part of the left side of the power seat (1) is provided with a limiting rod (28), and the left end of the limiting rod (28) penetrates through and penetrates out of the limiting hole.
7. A tread brake device according to claim 1 wherein: the oil guide channel (16) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010875561.1A CN111959478B (en) | 2020-08-27 | 2020-08-27 | Tread brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010875561.1A CN111959478B (en) | 2020-08-27 | 2020-08-27 | Tread brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111959478A true CN111959478A (en) | 2020-11-20 |
| CN111959478B CN111959478B (en) | 2021-08-06 |
Family
ID=73389813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010875561.1A Active CN111959478B (en) | 2020-08-27 | 2020-08-27 | Tread brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111959478B (en) |
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| US7409884B2 (en) * | 2005-12-12 | 2008-08-12 | Graham-White Manufacturing Company | Torque transfer mechanism |
| DE102009023128A1 (en) * | 2009-05-20 | 2010-11-25 | Stromag Ag | Hydraulically operated multi-disk brake, has discharge channel radially opened into disk packet relative to brake rotational axis and radially arranged outside disk packet in sections, where disk packet comprises outer and inner disks |
| DE102009027856A1 (en) * | 2009-07-21 | 2011-01-27 | Robert Bosch Gmbh | Starter gearbox with dry lubrication |
| CN202091192U (en) * | 2011-06-16 | 2011-12-28 | 谢永喜 | Hydraulic pump |
| CN104129381A (en) * | 2014-07-11 | 2014-11-05 | 绍兴县精致机械制造有限公司 | Air assistor |
| CN108930774A (en) * | 2018-08-16 | 2018-12-04 | 江苏紫石机械制造有限公司 | A kind of scissors grab self-lubricating pulley mechanism |
| CN109083959A (en) * | 2018-08-10 | 2018-12-25 | 江山行诚科技信息咨询服务有限公司 | Recycle lubricating type shock absorber structure |
| CN210600120U (en) * | 2019-08-23 | 2020-05-22 | 泰州市玖胜金属制品有限公司 | Gear lubricating mechanism |
| CN210941723U (en) * | 2019-11-08 | 2020-07-07 | 东风(十堰)车身部件有限责任公司 | Pedal structure capable of increasing lubricant |
-
2020
- 2020-08-27 CN CN202010875561.1A patent/CN111959478B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7409884B2 (en) * | 2005-12-12 | 2008-08-12 | Graham-White Manufacturing Company | Torque transfer mechanism |
| CN201050670Y (en) * | 2007-03-22 | 2008-04-23 | 江苏扬力集团有限公司 | Press balance cylinder copper sleeve lubrication structure |
| DE102009023128A1 (en) * | 2009-05-20 | 2010-11-25 | Stromag Ag | Hydraulically operated multi-disk brake, has discharge channel radially opened into disk packet relative to brake rotational axis and radially arranged outside disk packet in sections, where disk packet comprises outer and inner disks |
| DE102009027856A1 (en) * | 2009-07-21 | 2011-01-27 | Robert Bosch Gmbh | Starter gearbox with dry lubrication |
| CN202091192U (en) * | 2011-06-16 | 2011-12-28 | 谢永喜 | Hydraulic pump |
| CN104129381A (en) * | 2014-07-11 | 2014-11-05 | 绍兴县精致机械制造有限公司 | Air assistor |
| CN109083959A (en) * | 2018-08-10 | 2018-12-25 | 江山行诚科技信息咨询服务有限公司 | Recycle lubricating type shock absorber structure |
| CN108930774A (en) * | 2018-08-16 | 2018-12-04 | 江苏紫石机械制造有限公司 | A kind of scissors grab self-lubricating pulley mechanism |
| CN210600120U (en) * | 2019-08-23 | 2020-05-22 | 泰州市玖胜金属制品有限公司 | Gear lubricating mechanism |
| CN210941723U (en) * | 2019-11-08 | 2020-07-07 | 东风(十堰)车身部件有限责任公司 | Pedal structure capable of increasing lubricant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111959478B (en) | 2021-08-06 |
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