CN109677373A - A kind of locomotive parking brake self-locking structure and method - Google Patents
A kind of locomotive parking brake self-locking structure and method Download PDFInfo
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- CN109677373A CN109677373A CN201811599599.XA CN201811599599A CN109677373A CN 109677373 A CN109677373 A CN 109677373A CN 201811599599 A CN201811599599 A CN 201811599599A CN 109677373 A CN109677373 A CN 109677373A
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- parking brake
- locking structure
- locomotive parking
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- 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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/08—Brake-action initiating means for personal initiation hand actuated
- B60T7/10—Disposition of hand control
- B60T7/102—Disposition of hand control by means of a tilting lever
- B60T7/104—Disposition of hand control by means of a tilting lever with a locking mechanism
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to locomotive parking brake technical fields, in particular a kind of locomotive parking brake self-locking structure and method, including handle body, it is mounted on the adjusting block of handle external surface and the limited block for adjusting block described in locking, the locomotive parking brake self-locking structure, by pushing shifting block to drive adjusting block rotation, the latch of adjusting block is snapped onto the card slot of limit plate, limit plate is stuck in the card slot between fixture block and lower fixture block and can not rotate at this time, and then handle body can not be by pinching, realize the locking of handle body, reduce security risk, by adding Nanometer Copper phenol-formaldehyde resin modified in production, ppta-pulp fibre, the ingredients such as acicular wollastonite and acrylonitrile-butadiene rubber powder, it can be improved whole hardness, toughness, wear-resistant effect and service life, it is low to reduce coefficient of friction simultaneously, reduce aging effect.
Description
Technical field
The present invention relates to locomotive parking brake technical field, specially a kind of locomotive parking brake self-locking structure and method.
Background technique
Parking brake is brake apparatus indispensable on locomotive, is connected on the brake disc of braked wheel using steel wire pull line, to machine
Vehicle is braked, and parking brake is the very high system of utilization rate, and one rationally correctly parking brake structure could allow in the future using more
Smooth, for the maximum mechanical parking brake of ownership, good with material is even more key point.
But existing locomotive parking brake is without self-locking structure, in use, is easy accidentally to encounter on parking brake, causes certain peace
Full hidden danger matches the self-locking structure used with it and is using generation aging long afterwards existing simultaneously as parking brake is high abrasion equipment
As influencing whole using effect.In consideration of it, it is proposed that a kind of locomotive parking brake self-locking structure and method.
Summary of the invention
The purpose of the present invention is to provide a kind of locomotive parking brake self-locking structure and methods, to solve to mention in above-mentioned background technique
Locomotive parking brake out is without self-locking structure, in use, be easy accidentally encounter on parking brake, cause some potential safety problems and due to
Parking brake is high abrasion equipment, and the self-locking structure that uses is matched with it use and generates aging phenomenon long afterwards, is influenced whole using imitating
The problem of fruit.
To achieve the above object, on the one hand, the present invention provides a kind of locomotive parking brake self-locking structure, including handle body, installation
Adjusting block in handle external surface and the limited block for adjusting block described in locking, the adjusting block include adjustable plate, institute
One end of adjustable plate is stated integrally formed with shifting block, the other end of the adjustable plate is provided with multiple latches, in the adjustable plate
Heart position is provided with turn trough, and rotating cylinder is equipped in the turn trough, and the rotating cylinder is arranged in the adjustable plate close to the handle body
Side is additionally provided with shaft in the rotating cylinder, and the other end of the shaft is mounted on the handle body.
Preferably, the rotating cylinder and turn trough rotation connection.
Preferably, the shaft is connected with the drum rotation.
Preferably, the limited block includes limit plate, it is described integrally formed with upper fixture block at the top of described limit plate one end
Limit plate one end bottom is integrally formed with lower fixture block, and there are card slot, the upper fixture blocks between the upper fixture block and the lower fixture block
One end be provided with fillet, the center of the limit plate offers link slot, is provided with installation axle in the link slot.
Preferably, the latch and the card slot are engaged by clamping.
Preferably, one end of the handle body integrally formed with connecting plate, is equipped with blend stop at the top of the connecting plate,
The connecting plate is provided with convex block close to the handle body side, and the connecting plate is equipped with first close to the limited block side
Fixed plate, the other side of the connecting plate are equipped with the second fixed plate.
Preferably, one end of the connecting plate is equipped with wiring cylinder, the inside of the wiring cylinder open up it is fluted, it is described
Connecting plate opens up fluted close to the wiring cylinder side, and the outer surface of the wiring cylinder is equipped with battery case, the battery case
Bottom be provided with installation part, mounting groove is offered on the installation part, the both ends of the installation part are respectively arranged with installation foot,
The outer surface of the installation foot offers connecting hole.
Preferably, the size of the convex block and the size of the mounting groove are adapted.
On the other hand, the present invention also provides a kind of production methods of locomotive parking brake self-locking structure, are used for above-mentioned any one
The locomotive parking brake self-locking structure, including following weight component part: 15-20 parts of Nanometer Copper phenol-formaldehyde resin modified, aramid fiber slurry
5-10 parts of dregs of rice fiber, 20-25 parts of acicular wollastonite, 5-8 parts of graphite, 3-6 parts of acrylonitrile-butadiene rubber powder, 25-30 parts of chromite powder, oxidation
20-30 parts of aluminium and 20-25 parts of brass borings.
Operating procedure is as follows:
S1, mixing: using plough type batch mixer by Nanometer Copper phenol-formaldehyde resin modified, ppta-pulp fibre, acicular wollastonite,
Graphite, acrylonitrile-butadiene rubber powder, chromite powder, aluminium oxide and brass borings are mixed, and the time controls in 10min；
S2, hot pressing: using hot press that the mixture in step S1 is hot-forming, temperature control is at 165 °, the dwell time
Control is 15-30Mpa in 1.5min/mm, pressure control；
S3, drying: it will not be that molding ingredient is put into electric drying oven with forced convection and is heat-treated after hot pressing in S2, first will
Temperature is being risen to 180 °, heat treatment time 1h, natural cooling at 150 ° of temperature, heat treatment time 3h by control.
Compared with prior art, beneficial effects of the present invention:
1, the locomotive parking brake self-locking structure and method, by pushing shifting block to drive adjusting block rotation, by the latch of adjusting block
It snaps onto the card slot of limit plate, limit plate is stuck in the card slot between fixture block and lower fixture block and can not rotate at this time, and then hand
Shank body can not realize the locking of handle body by pinching, reduce security risk.
2, the locomotive parking brake self-locking structure and method, by adding Nanometer Copper phenol-formaldehyde resin modified in production, aramid fiber is starched
The ingredients such as dregs of rice fiber, acicular wollastonite and acrylonitrile-butadiene rubber powder can be improved whole hardness, toughness, wear-resistant effect and make
With the service life, while it is low to reduce coefficient of friction, reduces aging effect.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is adjusting block structural schematic diagram of the invention；
Fig. 3 is handle body of the invention and adjusting block attachment structure schematic diagram；
Fig. 4 is standoff features schematic diagram of the invention；
Fig. 5 is handle body structural schematic diagram of the invention；
Fig. 6 is wiring cylinder of the invention and battery case attachment structure schematic diagram.
In figure: 1, handle body；11, connecting plate；12, blend stop；13, convex block；14, the first fixed plate；15, the second fixed plate；
2, adjusting block；21, adjustable plate；22, shifting block；23, latch；24, turn trough；25, rotating cylinder；26, shaft；3, limited block；31, it limits
Plate；32, upper fixture block；33, lower fixture block；34, card slot；35, fillet；36, link slot；37, installation axle；4, wiring cylinder；4, inner cavity；
42, groove；5, battery case；51, installation part；52, mounting groove；53, installation foot；54, connecting hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Embodiment 1
On the one hand, the present invention provides a kind of locomotive parking brake self-locking structure, as shown in Figure 1 to Figure 3, including handle body 1, installation
Adjusting block 2 in 1 outer surface of handle body and the limited block 3 for locking adjusting block 2, adjusting block 2 include adjustable plate 21, are adjusted
Integrally formed with shifting block 22, the other end of adjustable plate 21 is provided with multiple latches 23, the centre bit of adjustable plate 21 for one end of plate 21
It installs and is equipped with turn trough 24, rotating cylinder 25 is installed in turn trough 24, rotating cylinder 25 is arranged in adjustable plate 21 close to 1 side of handle body, rotating cylinder
Shaft 26 is additionally provided in 25, the other end of shaft 26 is mounted on handle body 1, and rotating cylinder 25 and turn trough 24 are rotatablely connected, shaft
26 and rotating cylinder 25 be rotatablely connected.
In the present embodiment, the section of shifting block 22 is arc, and shifting block 22 is based on ergonomic designs, convenient for pulling shifting block.
Further, handle body 1 and adjustable plate 21 are rotatablely connected, and convenient for handle body 1 while pulling, adjustable plate 21 is protected
Hold motionless, while adjustable plate 21, while stirring, handle body 1 remains stationary.
Embodiment 2
As second of embodiment of the invention, for convenient for limiting to handle body 1, the present invention staff also sets up limited
Position block 3, as a kind of preferred embodiment, as shown in figure 4, limited block 3 includes limit plate 31, at the top of 31 one end of limit plate one at
Type has upper fixture block 32, and 31 one end bottom of limit plate is integrally formed with lower fixture block 33, and there are cards between upper fixture block 32 and lower fixture block 33
Slot 34, one end of upper fixture block 32 are provided with fillet 35, and the center of limit plate 31 offers link slot 36, sets in link slot 36
It is equipped with installation axle 37, latch 23 and card slot 34 are engaged by clamping.
In the present embodiment, one end of installation axle 37 and link slot 36 are welded and fixed, the other end and handle body 1 of installation axle 37
It is welded and fixed, drives limited block 3 to rotate by installation axle 37 while stirring convenient for handle body 1.
Further, the fillet 35 of upper fixture block 32 is in outwardly projecting spherical shape, on the one hand, convenient for passing through the limit of fillet 35
Position, latch 23 is stuck in inside card slot 34, on the other hand, since fillet 35 is arc-shaped, is skidded off out of card slot 34 convenient for latch 23.
Embodiment 3
As the 4th kind of embodiment of the invention, for the ease of the installation of handle body 1, the present invention staff is to handle body 1
Structure makes improvements, and as a kind of preferred embodiment, as shown in Figure 5 and Figure 6, one end of handle body 1 is integrally formed with connecting plate
11, the top of connecting plate 11 is equipped with blend stop 12, and connecting plate 11 is provided with convex block 13 close to 1 side of handle body, and connecting plate 11 leans on
Nearly 3 side of limited block is equipped with the first fixed plate 14, and the other side of connecting plate 11 is equipped with the second fixed plate 15, connecting plate 11
One end is equipped with wiring cylinder 4, and the inside of wiring cylinder 4 opens up fluted 42, and connecting plate 11 opens up fluted close to 4 side of wiring cylinder
42, the outer surface of wiring cylinder 4 is equipped with battery case 5, and the bottom of battery case 5 is provided with installation part 51, offers on installation part 51
Mounting groove 52, the both ends of installation part 51 are respectively arranged with installation foot 53, and the outer surface of installation foot 53 offers connecting hole 54, convex block
13 size and the size of mounting groove 52 are adapted.
In the present embodiment, the distance between the first fixed plate 14 and second fixed plate 15 are mutually fitted with the size of connecting plate 11
Match, is mounted between the first fixed plate 14 and the second fixed plate 15 convenient for connecting plate 11.
Further, it is respectively arranged with turn hole in the first fixed plate 14 and the second fixed plate 15, the size and peace of the turn hole
The size of dress axis 37 is adapted, so that handle body 1 is rotated in the first fixed plate 14 and the second fixed plate 15 by installation axle 37.
Specifically, mounting groove 52 is in the arc being recessed inwardly, convenient for installation is fixed to battery case 5.
Locomotive parking brake self-locking structure of the invention drives adjusting block 21 to rotate when in use, by promotion shifting block 22, due to
Adjusting block 21 is rotated in turn trough 24 by rotating cylinder 25, and while adjusting block 21 rotates, handle body 1 keeps different, by adjusting block 2
Latch 23 produced out of limit plate 31 card slot 34, pinching handle body 1 at this time, handle body 1 is solid first by installation axle 37
Rotation in fixed board 14 and the second fixed plate 15, realizes the activity of handle body 1；
When being locked, by pushing shifting block 22 that adjusting block 21 is driven to rotate, the latch 23 of adjusting block 2 is snapped into limit
In the card slot 34 of plate 31, pinching handle body 1, handle body 1 pass through installation axle 37 in the first fixed plate 14 and the second fixed plate at this time
Also the rotation of limit plate 31 has been driven in 15 while rotation, and limit plate 31 is stuck between fixture block 32 and lower fixture block 33 at this time
Card slot 34 in, can not rotate, so handle body 1 can not by pinching, realize handle body 1 locking.
Embodiment 4
On the other hand, the present invention also provides a kind of production methods of locomotive parking brake self-locking structure, are used for above-mentioned any one
Locomotive parking brake self-locking structure, including following weight component part: 20 parts of Nanometer Copper phenol-formaldehyde resin modified, ppta-pulp fibre 10
Part, 25 parts of acicular wollastonite, 8 parts of graphite, 6 parts of acrylonitrile-butadiene rubber powder, 30 parts of chromite powder, 30 parts of aluminium oxide and brass borings 25
Part.
Operating procedure is as follows:
S1, mixing: using plough type batch mixer by Nanometer Copper phenol-formaldehyde resin modified, ppta-pulp fibre, acicular wollastonite,
Graphite, acrylonitrile-butadiene rubber powder, chromite powder, aluminium oxide and brass borings are mixed, and the time controls in 10min；
S2, hot pressing: using hot press that the mixture in step S1 is hot-forming, temperature control is at 165 °, the dwell time
Control is 15-30Mpa in 1.5min/mm, pressure control；
S3, drying: it will not be that molding ingredient is put into electric drying oven with forced convection and is heat-treated after hot pressing in S2, first will
Temperature is being risen to 180 °, heat treatment time 1h, natural cooling at 150 ° of temperature, heat treatment time 3h by control.
In the present embodiment, the content of Nanometer Copper is 2wt% in Nanometer Copper phenol-formaldehyde resin modified.
Further, acrylonitrile-butadiene rubber powder is cut into using cutting machine, and particulate matter diameter is not more than 1mm.
Specifically, brass borings is made of broken crusher machine, particulate matter diameter is not more than 0.2mm.
Embodiment 5
A kind of production method of locomotive parking brake self-locking structure, including following weight component part: Nanometer Copper modified phenolic resin
15 parts of rouge, 5 parts of ppta-pulp fibre, 20 parts of acicular wollastonite, 5 parts of graphite, 3 parts of acrylonitrile-butadiene rubber powder, 25 parts of chromite powder, oxidation
20 parts of aluminium and 20 parts of brass borings.
Operating procedure is as follows:
S1, mixing: using plough type batch mixer by Nanometer Copper phenol-formaldehyde resin modified, ppta-pulp fibre, acicular wollastonite,
Graphite, acrylonitrile-butadiene rubber powder, chromite powder, aluminium oxide and brass borings are mixed, and the time controls in 10min；
S2, hot pressing: using hot press that the mixture in step S1 is hot-forming, temperature control is at 165 °, the dwell time
Control is 15-30Mpa in 1.5min/mm, pressure control；
S3, drying: it will not be that molding ingredient is put into electric drying oven with forced convection and is heat-treated after hot pressing in S2, first will
Temperature is being risen to 180 °, heat treatment time 1h, natural cooling at 150 ° of temperature, heat treatment time 3h by control.
Embodiment 6
A kind of production method of locomotive parking brake self-locking structure, including following weight component part: Nanometer Copper modified phenolic resin
17 parts of rouge, 7 parts of ppta-pulp fibre, 22 parts of acicular wollastonite, 6 parts of graphite, 5 parts of acrylonitrile-butadiene rubber powder, 27 parts of chromite powder, oxidation
23 parts of aluminium and 22 parts of brass borings.
Operating procedure is as follows:
S1, mixing: using plough type batch mixer by Nanometer Copper phenol-formaldehyde resin modified, ppta-pulp fibre, acicular wollastonite,
Graphite, acrylonitrile-butadiene rubber powder, chromite powder, aluminium oxide and brass borings are mixed, and the time controls in 10min；
S2, hot pressing: using hot press that the mixture in step S1 is hot-forming, temperature control is at 165 °, the dwell time
Control is 15-30Mpa in 1.5min/mm, pressure control；
S3, drying: it will not be that molding ingredient is put into electric drying oven with forced convection and is heat-treated after hot pressing in S2, first will
Temperature is being risen to 180 °, heat treatment time 1h, natural cooling at 150 ° of temperature, heat treatment time 3h by control.
Comparative example 1
It is compared with embodiment 4, difference in this case is that, Nanometer Copper phenol-formaldehyde resin modified is all substituted for stainless
Steel, a kind of production method of locomotive parking brake self-locking structure include following weight component part: 20 parts of stainless steel, ppta-pulp fibre
10 parts, 25 parts of acicular wollastonite, 8 parts of graphite, 6 parts of acrylonitrile-butadiene rubber powder, 30 parts of chromite powder, 30 parts of aluminium oxide and brass borings 25
Part.
Comparative example 2
It is compared with embodiment 4, difference in this case is that, remove ppta-pulp fibre, a kind of self-locking knot of locomotive parking brake
The production method of structure, including following weight component part: 20 parts of Nanometer Copper phenol-formaldehyde resin modified, 25 parts of acicular wollastonite, graphite 8
Part, 6 parts of acrylonitrile-butadiene rubber powder, 30 parts of chromite powder, 30 parts of aluminium oxide and 25 parts of brass borings
According to the locomotive parking brake self-locking structure of embodiment 4, embodiment 5, embodiment 6, comparative example 1 and comparative example 2 offer
Each parameter list of locomotive parking brake self-locking structure made from production method is as follows:
| Hardness | Toughness | Wear-resistant effect | Service life | |
| Embodiment 1 | By force | It is good | By force | 5 years |
| Embodiment 2 | By force | It is good | By force | 5 years |
| Embodiment 3 | By force | It is good | By force | 5 years |
| Comparative example 1 | It is medium | Difference | It is low | 2 years |
| Comparative example 2 | It is low | Difference | It is low | 1 year |
Coefficient of friction contrast table
| μmax | μmin | Δμ | |
| Embodiment 1 | 0.457 | 0.335 | 0.396 |
| Embodiment 2 | 0.464 | 0.352 | 0.408 |
| Embodiment 3 | 0.461 | 0.349 | 0.405 |
| Comparative example 1 | 0.462 | 0.398 | 0.430 |
| Comparative example 2 | 0.471 | 0.401 | 0.436 |
As above table it is found that locomotive made from production method using locomotive parking brake self-locking structure provided by the invention
Parking brake self-locking structure is above locomotive hand obtained in the prior art in hardness, toughness, wear-resistant effect and service life
Brake self-locking structure, while being existed using locomotive parking brake self-locking structure made from the production method of locomotive parking brake self-locking structure of the invention
On coefficient of friction, lower than the locomotive parking brake self-locking structure made in the prior art, so that integral hardness is strong, good toughness, wear-resistant
Effect is strong, service life is long, while coefficient of friction is low, use easy to produce.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (10)
1. a kind of locomotive parking brake self-locking structure, including handle body (1), be mounted on handle body (1) outer surface adjusting block (2) and
Limited block (3) for adjusting block described in locking (2), it is characterised in that: the adjusting block (2) includes adjustable plate (21), described
One end of adjustable plate (21) is provided with multiple latches (23) integrally formed with shifting block (22), the other end of the adjustable plate (21),
The center of the adjustable plate (21) is provided with turn trough (24), is equipped with rotating cylinder (25), the rotating cylinder in the turn trough (24)
(25) setting is additionally provided with shaft (26) in the handle body (1) side, the rotating cylinder (25) in the adjustable plate (21),
The other end of the shaft (26) is mounted on the handle body (1).
2. locomotive parking brake self-locking structure according to claim 1, it is characterised in that: the rotating cylinder (25) and the turn trough
(24) it is rotatablely connected.
3. locomotive parking brake self-locking structure according to claim 1, it is characterised in that: the shaft (26) and the rotating cylinder
(25) it is rotatablely connected.
4. locomotive parking brake self-locking structure according to claim 1, it is characterised in that: the limited block (3) includes limit plate
(31), at the top of described limit plate (31) one end integrally formed with upper fixture block (32), limit plate (31) one end bottom one at
Type has lower fixture block (33), and there are card slot (34), the upper fixture blocks (32) between the upper fixture block (32) and the lower fixture block (33)
One end be provided with fillet (35), the center of the limit plate (31) offers link slot (36), the link slot (36)
Inside it is provided with installation axle (37).
5. locomotive parking brake self-locking structure according to claim 4, it is characterised in that: the latch (23) and the card slot
(34) it is engaged by clamping.
6. locomotive parking brake self-locking structure according to claim 4, it is characterised in that: one end one of the handle body (1)
It forms connecting plate (11), is equipped with blend stop (12) at the top of the connecting plate (11), the connecting plate (11) is close to the hand
Shank body (1) side is provided with convex block (13), and the connecting plate (11) is equipped with the first fixed plate close to the limited block (3) side
(14), the other side of the connecting plate (11) is equipped with the second fixed plate (15).
7. locomotive parking brake self-locking structure according to claim 6, it is characterised in that: install one end of the connecting plate (11)
Have wiring cylinder (4), the inside of the wiring cylinder (4) opens up fluted (42), and the connecting plate (11) is close to the wiring cylinder (4)
Side opens up fluted (42), and the outer surface of the wiring cylinder (4) is equipped with battery case (5), and the bottom of the battery case (5) is set
It is equipped with installation part (51), is offered mounting groove (52) on the installation part (51), the both ends of the installation part (51) are respectively set
Have installation foot (53), the outer surface of the installation foot (53) offers connecting hole (54).
8. locomotive parking brake self-locking structure according to claim 7, it is characterised in that: the size of the convex block (13) and described
The size of mounting groove (52) is adapted.
9. a kind of production method of locomotive parking brake self-locking structure, it is characterised in that: for making claim 1-8 any one institute
The locomotive parking brake self-locking structure stated, including following weight component part: 15-20 parts of Nanometer Copper phenol-formaldehyde resin modified, Fanglun slurry cake
5-10 parts of fiber, 20-25 parts of acicular wollastonite, 5-8 parts of graphite, 3-6 parts of acrylonitrile-butadiene rubber powder, 25-30 parts of chromite powder, aluminium oxide
20-30 parts and 20-25 parts of brass borings.
10. the production method of locomotive parking brake self-locking structure according to claim 9, it is characterised in that: operating procedure is as follows:
S1, mixing: use plough type batch mixer by Nanometer Copper phenol-formaldehyde resin modified, ppta-pulp fibre, acicular wollastonite, stone
Ink, acrylonitrile-butadiene rubber powder, chromite powder, aluminium oxide and brass borings are mixed, and the time controls in 10min；
S2, hot pressing: using hot press that the mixture in step S1 is hot-forming, at 165 °, the dwell time is controlled for temperature control
In 1.5min/mm, pressure control is 15-30Mpa；
S3, drying: will not be that molding ingredient is put into electric drying oven with forced convection and is heat-treated after hot pressing in S2, first will control
At 150 ° of temperature, heat treatment time 3h, temperature is being risen to 180 °, heat treatment time 1h, natural cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599599.XA CN109677373B (en) | 2018-12-26 | 2018-12-26 | Self-locking structure and method for hand brake of locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599599.XA CN109677373B (en) | 2018-12-26 | 2018-12-26 | Self-locking structure and method for hand brake of locomotive |
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| Publication Number | Publication Date |
|---|---|
| CN109677373A true CN109677373A (en) | 2019-04-26 |
| CN109677373B CN109677373B (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811599599.XA Active CN109677373B (en) | 2018-12-26 | 2018-12-26 | Self-locking structure and method for hand brake of locomotive |
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| DE19510782A1 (en) * | 1995-03-24 | 1996-09-26 | Woelfl Karl Heinz | Brake lever for bicycles |
| CN2581313Y (en) * | 2002-10-14 | 2003-10-22 | 英隆机械(昆山)有限公司 | Braking structure for bicycle handlebar |
| CN103963904A (en) * | 2013-01-30 | 2014-08-06 | 张小红 | Adjustable brake handle with switch |
| KR20150010378A (en) * | 2013-07-19 | 2015-01-28 | 이상훈 | Bicycle brake lever with multiple lock device |
| CN103939511A (en) * | 2014-05-04 | 2014-07-23 | 中国矿业大学 | Formula and manufacturing method for car soft magnetic brake pad |
| CN104110454A (en) * | 2014-05-04 | 2014-10-22 | 中国矿业大学 | Automotive hard magnetic brake pad formula and manufacturing method thereof |
| CN203864901U (en) * | 2014-05-27 | 2014-10-08 | 瑞安市金吉机车零部件有限公司 | Motorcycle brake handle with bolt-type parking mechanism |
| CN105151210A (en) * | 2015-09-29 | 2015-12-16 | 杨速文 | Ratchet wheel type parking mechanism applicable to hand brake apparatus |
| CN205059915U (en) * | 2015-10-14 | 2016-03-02 | 吴仁渭 | Electric vehicle braking device |
| CN207843204U (en) * | 2018-02-07 | 2018-09-11 | 浙江星联电动自行车零件有限公司 | A kind of lockable brake lever of handle |
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