CN209320919U - Station wagon hydraulic drum brake front axle assembly - Google Patents
Station wagon hydraulic drum brake front axle assembly Download PDFInfo
- Publication number
- CN209320919U CN209320919U CN201822169404.XU CN201822169404U CN209320919U CN 209320919 U CN209320919 U CN 209320919U CN 201822169404 U CN201822169404 U CN 201822169404U CN 209320919 U CN209320919 U CN 209320919U
- Authority
- CN
- China
- Prior art keywords
- knuckle
- brake
- assembly
- bearing
- arm
- 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.)
- Active
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of station wagon hydraulic drum brake front axle assembly, including front axle, knuckle, left steering arm, track rod assembly, right turn arm, front hub brake drum assembly and hydraulic drum brake assembly.Knuckle is hinged on the both ends of front axle by stub；Left and right turn arm is cooperated by taper hole to be connect with knuckle, and track rod assembly is connect by its ball pin with knuckle；Front hub brake drum assembly is mounted on knuckle, including preceding brake drum, front hub and wheel bolt；Front hub is rotatably installed on the diameter of axle of knuckle by inside and outside cant bearing, and preceding brake drum covers its front end face on front hub and is bonded with front hub, and wheel bolt passes through preceding brake drum and front hub is fastenedly connected by nut；Hydraulic drum brake assembly is mounted on knuckle ring flange by bolt, including brake-shoe and wheel cylinder；When braking, wheel cylinder pushes brake-shoe to be pressed against on brake drum and realizes braking.The application structure is simple, and steering angle is big, and braking ability is reliable and stable.
Description
Technical field
The utility model relates to the front axle assemblies of vehicle steering system, and in particular to a kind of station wagon is braked with hydraulic drum
Device front axle assembly.
Background technique
With the expansion of development and the urban construction of high speed railway construction, the frequency of personnel's trip increases, the small freight volume of short distance
The use scope of station wagon increase year by year, the small-sized commuting car in city and short distance between urban and rural areas plug into car development extremely
Rapidly.
In city short-distance transport mode, the use of new-energy automobile, existing small-sized electric car system are carried out energetically by country
Dynamic device front axle assembly is mostly the improvement structure made on the basis of existing truck front axle assembly, it is difficult to meet new energy visitor
The problems such as applying working condition and quality requirement of vehicle, generally existing steering angle is insufficient, whole bridge high failure rate.
Utility model content
The utility model provides a kind of station wagon hydraulic drum brake front axle assembly, and steering angle is big, structure
Simply, use is more stable, reliable.
For this purpose, the technical solution adopted in the utility model is:
A kind of station wagon hydraulic drum brake front axle assembly, including front axle, knuckle, stub, lock pin, left steering
Arm, track rod assembly, right turn arm, front hub brake drum assembly, hydraulic drum brake assembly；Knuckle passes through stub
The both ends of front axle are hingedly mounted on, the stub and front axle of left end are fastened by lock pin, and knuckle is equipped with limiting steering mechanism；It is left
Steering arm is in U-shape, and is made of arm on the left of a "-" type and a L shape right arm, and one end of left side arm passes through taper hole cooperation and a left side
Knuckle connection, the connecting pin of left and right side arm pass through the ball pin and track rod assembly that track rod assembly left end is arranged in
Connection, the other end of right arm are equipped with the conical bore connecting with full-vehicle steering Drag link；Right turn arm is in linear type, and one end is logical
It crosses taper hole cooperation to connect with right turn section, the other end passes through the ball pin and track rod that track rod assembly right end is arranged in
Assembly connection；Front hub brake drum assembly includes preceding brake drum, front hub and wheel bolt；Front hub passes through inside and outside cant bearing
It is rotatably installed on the diameter of axle of knuckle, preceding brake drum covers its front end face on front hub and is bonded with front hub, and wheel bolt is worn
It crosses preceding brake drum and front hub is fastenedly connected by nut, hydraulic drum brake assembly is mounted on knuckle flange by bolt
On disk, including brake-shoe and wheel cylinder；When braking, wheel cylinder pushes brake-shoe to be pressed against on brake drum and realizes braking.
Further, the limiting steering mechanism includes limiting steering bolt and adjusting nut, and limiting steering bolt passes through
Adjusting nut is mounted on knuckle, screw-driven pair is constituted between limiting steering bolt and knuckle, by adjusting nut tune
Inside lock and outer corner that limiting steering bolt exposes the length restriction front axle assembly of knuckle end face are saved, is tightened after the completion of adjustment
Adjusting nut fastens limiting steering bolt.Closer, the preferably described front axle is equipped with positive stop lug boss, rotates knuckle, turns to
The head of caging bolt is supported only on positive stop lug boss, is limited knuckle and is further rotated.
Limiting steering bolt is mounted on knuckle, rotates knuckle, caging bolt head can resist corresponding positions on front axle
The positive stop lug boss set rotate knuckle can not further, though the rotational angle of knuckle be limited to one as defined in turn
In angular region.Structure is simple, easy to adjust.
Further, the central part of the front hub is equipped with bearing mounting hole, and bearing mounting hole is through-hole, inside and outside cant axis
It holds and is mounted in bearing mounting hole, bearing outer ring and front hub interference fit connect, and the knuckle diameter of axle sequentially passes through inside and outside cant
Bearing and front hub are rotatablely connected, and the knuckle diameter of axle is connect with bearing inner race transition fit；The outside of interior cant bearing is equipped with oil
It seals, is successively arranged locking washer, locking nut and split pin, locking washer, locking nut and opening on the outside of outer cant bearing
Pin, which is successively sleeved on the knuckle diameter of axle, to be played the role of locking bearing inner race and knuckle；Before the outside of the split pin is equipped with
Wheel hub cover, front wheel hub cap be mounted in bearing mounting hole by axis hole interference fit, front wheel hub cap, oil sealing and bearing mounting hole
Inner wall constitutes a closed cavity.
By filling lubricating grease in cavity, lubricating action played to bearing, and lubricating grease will not leak cause waste or
Pollute environment.
Further, the hydraulic drum brake assembly is Hydraulic Double neck from shoe drum brake.
The utility model has the beneficial effects that
1, the front axle assembly of the utility model simplifies the use of components on the basis of existing structure, and mounting structure is simple, tears open
Dress is convenient, and use reliability is higher, and whole bridge failure rate is low.
2, the conical bore design connecting on the left steering arm and steering arm of U-shaped structure with full-vehicle steering Drag link makes the application
Front axle assembly rotational angle it is big, meet the applying working condition of station wagon.
3, the overall construction design of the application brake portion is simple, high reliablity.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of the embodiment 1 of the utility model hydraulic drum brake front axle assembly.
Fig. 2 is the front axle, knuckle and the horizontal drawing of steering of the utility model hydraulic drum brake front axle assembly embodiment 1
The connection schematic diagram of bar assembly.
Fig. 3 is that the knuckle of the utility model hydraulic drum brake front axle assembly embodiment 1, front hub brake drum are total
At and hydraulic drum brake assembly connection schematic diagram.
Fig. 4 is cross-sectional view of the Fig. 3 along the direction B-B.
Specific embodiment
It is preferred below in conjunction with attached drawing and one kind to keep the purpose of this utility model, technical solution and advantage clearer
Embodiment the technical solution of the utility model is clearly and completely described.
Embodiment 1
Refering to fig. 1 and Fig. 2, station wagon hydraulic drum brake front axle assembly, including front axle 1, knuckle 2, turn to
Position-limit mechanism, stub 5, lock pin 8, left steering arm 10, track rod assembly 11, right turn arm 12, front hub brake drum assembly
13 and hydraulic drum brake assembly 14.
The left and right ends of front axle 1 are equipped with stub mounting hole 01, and stub mounting hole 01 is through-hole, the side of left end stub mounting hole
Wall is radially provided with lock pin mounting hole 02, and lock pin mounting hole 02 is through-hole, and is penetrated through with stub mounting hole.Front axle 1 is equipped with limit
Boss 03.
Stub 5 is cylindrical pin shape, and side wall is radially provided with lock pin connecting hole, and the inner wall of the lock pin connecting hole is equipped with first
Lozenges.Lock pin 8 is wedge-shaped straight pin, and outer peripheral surface is equipped with the second lozenges 81, and the second lozenges 81 and the first lozenges are suitable
Match, the head of lock pin 8 is equipped with cylindrical external thread.
Knuckle 2 is equipped with the support diameter of axle 201, ring flange 202 and crotch 203, the connection of the ring flange 202 support diameter of axle 201 with
Crotch 203.The top and the bottom of crotch are correspondingly provided with the upper and lower mounting hole 231,232 of knuckle, and the lower part of crotch is connected equipped with steering arm
Hole 233, steering arm connecting hole 233 are conical through-hole.The lateral surface of ring flange 202 is equipped with limiting steering mechanism, in the present embodiment
In, limiting steering mechanism includes limiting steering bolt 31 and adjusting nut 30, and limiting steering bolt 31 is pre- by adjusting nut 30
It is first mounted on the lateral surface of knuckle ring flange 202, screw-driven pair is constituted between limiting steering bolt 31 and knuckle 2.
Caging bolt 31 is adapted to the positive stop lug boss 03 of front axle 1.
Left steering arm 10 is in U-shape, and is made of arm on the left of a "-" type and a L shape right arm, one end of left side arm is equipped with
Steering arm mounting portion 101, steering arm mounting portion 101 are equipped with cylindrical external thread, left steering in cone, steering arm mounting portion end
The circular conical surface of arm 10 is adapted to the hole inner wall of knuckle steering arm connecting hole 233；The connecting pin of left and right side arm, which is equipped with, turns to horizontal drawing
Bar mounting hole 102, track rod mounting hole 102 are through-hole, and end is equipped with cylindrical external thread；The other end of right arm is equipped with
Steering drag link mounting hole 103, steering drag link mounting hole 103 are conical bore, are adapted to steering drag link.
Right turn arm 12 is in linear type, and one end is equipped with steering arm mounting portion 121, and steering arm mounting portion turns in cone
It is equipped with cylindrical external thread to arm mounting portion end, the circular conical surface of steering arm is adapted to the hole inner wall of knuckle steering arm mounting hole；
Its other end is equipped with steering drag link mounting hole 122, and steering drag link mounting hole is conical bore, is adapted to steering drag link.
The connection type of front axle 1, knuckle 2, left steering arm 10, track rod assembly 11, right turn arm 12 are as follows:
Stub 5 sequentially pass through knuckle upper installing hole 231, adjusting washer 6, stub mounting hole 01, plain thrust bearing 7,
Knuckle 2 and main shaft 1 are hingedly connected together by mounting hole 232 under knuckle, by the adjusting pad for choosing to install different-thickness size
Enclose the pretightning force between 6 adjustable knuckles 2 and front axle 1.Lock pin 8 passes through the lock pin connecting hole of lock pin mounting hole 02 and stub 5,
It is fixed on knuckle 2 by hex nut 4.Second lozenges 81 and the first wedge-shaped face paste are closed, and make stub 5 not with respect to front axle 1
Relative displacement is generated, realizes and fixes.Left steering arm 10, right turn arm 12 pass through its steering arm mounting portion 101,121 tapers respectively
It is fitted in the steering arm connecting hole 233 of knuckle 2, and is fixed on knuckle 2 by hexagon slotted nut 3.It turns to
Tie rod assembly 11 is mounted on the track rod mounting hole of left steering arm 10 and right turn arm 12 by the ball pin 111 at both ends
102, it in 122, and is fixed on left steering arm 10 and right turn arm 12 by hexagon slotted nut 9.
The working principle of limiting steering mechanism is: the head of rotation knuckle 2, limiting steering bolt 31 is supported only in front axle 1
Positive stop lug boss 03 on when, limit knuckle further rotate, so that the rotational angle of knuckle 2 is limited to a defined corner
In range.It limits in front axle assembly and turns by adjusting the length that nut 30 adjusts the exposing of limiting steering bolt 31 knuckle end face
Angle and outer corner tighten adjusting nut 30 after the completion of adjustment and limiting steering bolt 31 are fastened on knuckle 2.
Refering to Fig. 3, front hub brake drum assembly 13 includes preceding brake drum 15, front hub 17 and wheel bolt 18.Front hub
15 central part is equipped with bearing mounting hole, and bearing mounting hole is through-hole, and inside and outside cant bearing 20,21 is mounted on bearing mounting hole
Interior, the bearing mounting hole of bearing outer ring and front hub 17, which is interference fitted, to be connected.In the support diameter of axle 201 of knuckle 2 sequentially passes through
Outer cant bearing 20,21, and inside and outside cant bearing 20,21 is fastened on by locking washer 25, locking nut 24 and split pin 23
In, locking washer, locking nut and split pin cooperation are played the role of locking bearing inner race and knuckle.The knuckle diameter of axle 201
It is connect with the bearing inner race transition fit of inside and outside cant bearing 20,21.The outside of interior cant bearing 20 is equipped with oil sealing 19, oil sealing
19, which are fixed on knuckle by oil sealing seat ring 26, supports on the diameter of axle 201, and oil sealing seat ring 25 and the support diameter of axle 201 are interference fitted, oil
The outer ring of envelope 19 and front hub 17 are interference fitted, and are rotatablely connected between oil sealing 19 and oil sealing seat ring 25.The outside of split pin 21 is set
There is front wheel hub cap 22, front wheel hub cap 22 is mounted in the bearing mounting hole of front hub 17 by axis hole interference fit.Front wheel hub cap
22, the inner wall of oil sealing 19 and bearing mounting hole constitutes a closed cavity, and lubricating grease is loaded in cavity.
Refering to Fig. 4, hydraulic drum brake assembly 14 includes brake-shoe 141, friction plate 142 and wheel cylinder 143, brake-shoe
141 outside is bonded friction plate 142, the medial surface of brake drum 15, the piston rod of wheel cylinder 143 and braking before friction plate 142 is bonded
Hoof 141 connects.Front brake assembly 14 is installed bolt 28 by brake and is mounted on the ring flange 202 of knuckle 2, and logical
Hex nut 27 is crossed to be locked.When braking, wheel cylinder 143 pushes brake-shoe 141 to be pressed against brake drum 15 and realizes braking.
In the present embodiment, hydraulic drum brake assembly 14 is Hydraulic Double commonly used in existing automobile front axle assembly
Neck is from shoe drum brake structure, in other embodiments, can also be other existing hydraulic drum brake structures, such as: neck from
Shoe brake, two leading shoe brake.
Not doing the part illustrated in above instructions is the prior art, or has both been able to achieve by the prior art.
Claims (5)
1. a kind of station wagon hydraulic drum brake front axle assembly, which is characterized in that including front axle, knuckle, stub, lock
Pin, left steering arm, track rod assembly, right turn arm, front hub brake drum assembly, hydraulic drum brake assembly；It turns to
Section is hingedly mounted on the both ends of front axle by stub, and the stub and front axle of left end are fastened by lock pin, and knuckle, which is equipped with, to be turned to
Position-limit mechanism；Left steering arm is in U-shape, and is made of arm on the left of a "-" type and a L shape right arm, one end of left side arm passes through cone
Hole cooperation is connect with left steering section, and the connecting pin of left and right side arm passes through ball pin and steering that track rod assembly left end is arranged in
Tie rod assembly connection, the other end of right arm are equipped with the conical bore connecting with full-vehicle steering Drag link；Right turn arm is in a word
Shape, one end is cooperated by taper hole to be connect with right turn section, and the other end passes through the ball pin that track rod assembly right end is arranged in
It is connect with track rod assembly；Front hub brake drum assembly includes preceding brake drum, front hub and wheel bolt；Front hub passes through
Inside and outside cant bearing is rotatably installed on the diameter of axle of knuckle, and preceding brake drum covers its front end face and front hub on front hub and pastes
It closes, wheel bolt passes through preceding brake drum and front hub is fastenedly connected by nut, and hydraulic drum brake assembly is pacified by bolt
On knuckle ring flange, including brake-shoe and wheel cylinder；When braking, wheel cylinder pushes brake-shoe to be pressed against on brake drum system of realizing
It is dynamic.
2. hydraulic drum brake front axle assembly as described in claim 1, which is characterized in that the limiting steering mechanism includes
Limiting steering bolt and adjusting nut, limiting steering bolt are mounted on knuckle by adjusting nut, limiting steering bolt with
Screw-driven pair is constituted between knuckle, the length for exposing knuckle end face by adjusting nut adjustment limiting steering bolt limits
The inside lock of front axle assembly and outer corner tighten adjusting nut fastening limiting steering bolt after the completion of adjustment.
3. hydraulic drum brake front axle assembly as claimed in claim 2, which is characterized in that the front axle is equipped with limit convex
Platform rotates knuckle, and the head of limiting steering bolt is supported only on positive stop lug boss, limits knuckle and further rotates.
4. hydraulic drum brake front axle assembly as described in claim 1, which is characterized in that the central part of the front hub is set
There is bearing mounting hole, bearing mounting hole is through-hole, and inside and outside cant bearing is mounted in bearing mounting hole, bearing outer ring and front hub
Interference fit connection, the knuckle diameter of axle sequentially passes through inside and outside cant bearing and front hub is rotatablely connected, the knuckle diameter of axle and bearing
The connection of inner ring transition fit；The outside of interior cant bearing is equipped with oil sealing, and locking washer, lock are successively arranged on the outside of outer cant bearing
Tight nut and split pin, locking washer, locking nut and split pin, which are successively sleeved on the knuckle diameter of axle, to be played in locking bearing
The effect of circle and knuckle；The outside of the split pin is equipped with front wheel hub cap, and front wheel hub cap is mounted on by axis hole interference fit
In bearing mounting hole, the inner wall of front wheel hub cap, oil sealing and bearing mounting hole constitutes a closed cavity.
5. hydraulic drum brake front axle assembly as described in claim 1, which is characterized in that the hydraulic drum brake is total
As Hydraulic Double neck from shoe drum brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169404.XU CN209320919U (en) | 2018-12-21 | 2018-12-21 | Station wagon hydraulic drum brake front axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169404.XU CN209320919U (en) | 2018-12-21 | 2018-12-21 | Station wagon hydraulic drum brake front axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209320919U true CN209320919U (en) | 2019-08-30 |
Family
ID=67728241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822169404.XU Active CN209320919U (en) | 2018-12-21 | 2018-12-21 | Station wagon hydraulic drum brake front axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209320919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400862A (en) * | 2021-08-10 | 2021-09-17 | 合肥海源机械有限公司 | Electric explosion-proof steering axle for passenger and freight vehicles |
-
2018
- 2018-12-21 CN CN201822169404.XU patent/CN209320919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400862A (en) * | 2021-08-10 | 2021-09-17 | 合肥海源机械有限公司 | Electric explosion-proof steering axle for passenger and freight vehicles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201154734Y (en) | Front steering axle for automobile | |
| CN102556087B (en) | Bottom door opening and closing mechanism for railway coal hopper car | |
| CN209320919U (en) | Station wagon hydraulic drum brake front axle assembly | |
| CN110667703A (en) | Independent suspension axle system for commercial vehicle | |
| CN209320920U (en) | Station wagon hydraulic brake front axle assembly | |
| CN201525407U (en) | Follow-up steering bridge assembly | |
| CN209320595U (en) | Station wagon pneumatic drum brake front axle assembly | |
| CN209320918U (en) | Station wagon air-pressure disc brake front axle assembly | |
| CN108189858B (en) | A kind of normally closed braking rail row push trolley | |
| CN106004919B (en) | A kind of articulated mounting of industrial-mineral electric locomotive | |
| US4159832A (en) | Centerline two piece wheel and brake assembly | |
| CN207015424U (en) | A kind of commercial car knuckle | |
| CN211893231U (en) | Inner side framework type self-steering bogie and railway wagon | |
| CN207291508U (en) | The non-maintaining semitrailer axle of lightweight | |
| CN200992194Y (en) | Pure-disc type mechanical parking brake | |
| CN204222565U (en) | New-type independent suspension front axle assy | |
| US3963260A (en) | Centerline steering wheel assembly including disc brake | |
| CN207737293U (en) | A kind of traveling wheel assembly, linkage brake mechanism, normally closed braking rail row push trolley | |
| CN210592120U (en) | Racing car knuckle stand column structure | |
| CN205801227U (en) | A kind of steering gear connection mechanism for passenger vehicle IFS Independent Front Suspension | |
| CN105276037B (en) | Hydraulic braking clamp for track traffic | |
| CN203543918U (en) | Wheel edge assembly of automobile steering drive axle | |
| CN209414549U (en) | Station wagon hydraulic brake rear axle assy | |
| RU197628U1 (en) | Device for stabilizing the position of the triangel of the brake linkage of a freight car truck | |
| CN201566596U (en) | Pneumatic brake disk type braking front axle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |