CN204985436U - Lorry's chain formula arresting gear - Google Patents
Lorry's chain formula arresting gear Download PDFInfo
- Publication number
- CN204985436U CN204985436U CN201520329023.7U CN201520329023U CN204985436U CN 204985436 U CN204985436 U CN 204985436U CN 201520329023 U CN201520329023 U CN 201520329023U CN 204985436 U CN204985436 U CN 204985436U
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- China
- Prior art keywords
- brake
- shoe
- plate
- termination
- truck
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- Withdrawn - After Issue
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Abstract
The utility model relates to a lorry's chain formula arresting gear, including braking bottom plate, brake shoe and braked wheel, the one end of brake shoe is articulated mutually with the braking bottom plate, and the outer peripheral face of braked wheel disposes with the inner peripheral surface of brake shoe mutually, and the other end and the link gear of brake shoe dispose mutually, and the link gear includes universal driving shaft, left connecting plate and right connecting plate, and the both ends of universal driving shaft are located to left and right connecting plate symmetry, and the outside terminal surface of braked wheel is connected with transition disc, links to each other with wheel hub through transition disc. The utility model discloses brake performance is reliable, and the radiating effect is good, and the suitability can be high.
Description
Technical field
The utility model belongs to the technical field of brake device for car, particularly relates to a kind of chain type braking device of truck.
Background technique
Though existing automobile drum type brake has become perfect through repeatedly improving its braking ability, but brake or the emergency braking in heavier or lower long slope situation at load, often braking retardation, stopping distance is elongated, and after braking, return does not thoroughly cause to drag and stops, become vehicle travel in the major safety risks such as oil consumption increase, and the surface of contact of Cam braking is little, stress is large, and the amount of strutting is little, and unfailing performance is low.
Summary of the invention
Technical problem to be solved in the utility model is the chain type braking device providing a kind of truck, and not only structure is simple for it, arranges rationally, and brakes sensitive reaction soon, and lightweight, return is thorough.
The utility model solves the technological scheme that its technical problem adopts: a kind of chain type braking device of truck, comprise braking bottom board, brake shoe and Brake drum, described braking bottom board is circular discs, one end of braking bottom board is provided with an axis hole, and the other end of braking bottom board is provided with two shoe plate axis holes; One end of described brake shoe is hinged by shoe shaft and described shoe plate axis hole; The outer circumferential face of described Brake drum and the inner peripheral surface phase configuration of brake shoe, it is characterized in that, the other end of described brake shoe and linking mechanism phase configuration, described linking mechanism comprises couple axle, left connecting plate and right connecting plate, described left and right connecting plate symmetry is installed in the both sides of described couple axle one end, and the other end of left and right connecting plate is connected with brake shoe.
By such scheme, described brake shoe comprises left hoof and right hoof, described left hoof comprises left shoe plate and brake strip, described right hoof comprises right shoe plate and brake strip, left and right shoe plate is the tile fragment structure of semicircular arc, described brake strip is arc plate, and brake strip is installed respectively on the inner peripheral surface of left and right shoe plate; The opening of left and right shoe plate is oppositely arranged, and one end of left and right shoe plate is all had hinging hole and is hinged by shoe shaft and shoe plate axis hole, and the termination of the left and right shoe plate the other end is installed on coupling shaft, and the termination, outside of described coupling shaft is connected with the termination of return spring.
By such scheme, inwardly have " U " type groove in the middle part of the termination of the described left and right shoe plate the other end, on the biside plate of described " U " type groove, symmetry has through hole, is installed on coupling shaft in described through hole, the termination, outside of described coupling shaft is provided with locating stud, and described locating stud is connected with the termination of return spring.
By such scheme, described couple axle is the cylindrical structure that termination, one end is provided with kidney-shaped boss, and described kidney-shaped raised head face is arranged with two screws up and down, the described line of centres of two screws and the axes normal of couple axle; Described left and right connecting plate is " 8 " font platy structure of two ends perforate, and kidney-shaped boss is hinged respectively by one end of line shaft and left and right connecting plate, and the other end and the described coupling shaft of left and right connecting plate are hinged; Described line shaft is that two ends are equipped with externally threaded cylindrical body, one end of line shaft and described screw phase configuration, and the other end of line shaft and cover plate are by nut positioning and locking.
By such scheme, described Brake drum is cylindrical tube structure, and inwall circumferentially uniform several rib of Brake drum, the top design of Brake drum has water-blocking bank.
By such scheme, the end face outside of described Brake drum is circumferentially provided with positioning groove, on described positioning groove, circumferentially uniform intervals is provided with several power hole, the inner edge of Brake drum is interval with several the first projection radially extended, described first projection is provided with screw, and Brake drum is connected with transition disc by bolt.
By such scheme, described transition disc is cirque structure, and the inner side end of transition disc is circumferentially provided with positioning spigot, and described positioning spigot and described positioning groove fasten and configure; The inner edge uniform intervals of transition disc is provided with several the second projection radially extended, and described second projection is provided with screw, the second projection and the corresponding setting of described first projection; On positioning spigot, circumferentially uniform intervals is provided with several transitional pore.
By such scheme, the other end termination of described line shaft is provided with oil nozzle.
By such scheme, the inner peripheral surface of described left and right shoe plate is installed on respectively two pieces of described brake strips.
By such scheme, described couple axle the other end termination is provided with spline, and described spline is connected with drive unit.
The beneficial effects of the utility model are: the chain type braking device 1, providing a kind of truck, brake shoe and Brake drum is made to form the braking effect held tightly by linking mechanism, cancel traditional braking drum, avoid, because outer tension force causes brake drum to break, occurring traffic accident and personal injury; 2, adopt linking mechanism to match with brake shoe to brake, eliminate traditional brake cam, greatly reduce period of braking, shorten braking distance, thus reduce the hidden danger of road traffic accident; 3, the present invention is reasonable in design, and stress surface of contact is large, and stress is little, and reliability is high, and the amount of strutting is large, and amount of maintenance reduces, long service life; 4, Brake drum is provided with water-blocking bank, and in the process that Brake drum rotates, water-blocking bank stops outside water inlet to be flowed out, and makes whole Brake drum fast cooling, improve the radiating effect of braking device by outside water inlet; 5, transition disc is provided with transmission of power transitional pore, by tire bolt, wheel hub and Brake drum transition is installed together, and increases the versatility of component, decreases design and manufaction cost.
Accompanying drawing explanation
Fig. 1 is the fractionation schematic diagram of the utility model embodiment.
Fig. 2 is the front view of the utility model embodiment.
Fig. 3 is the side view of the utility model embodiment.
Fig. 4 is the axonometric drawing of the left shoe plate of the utility model embodiment.
Fig. 5 is the axonometric drawing of the linking mechanism of the utility model embodiment.
Fig. 6 is the sectional view of the linking mechanism of the utility model embodiment.
Fig. 7 is the sectional view of the releasing orientation of the utility model embodiment.
Fig. 8 is the sectional view of the braking state of the utility model embodiment.
Fig. 9 is the axonometric drawing of the transition disc of the utility model embodiment.
Figure 10 is the axonometric drawing of the Brake drum of the utility model embodiment.
Wherein: 1, braking bottom board, 2, left shoe plate, 3, right shoe plate, 4, brake strip, 5, Brake drum, 6, return spring, 7, couple axle, 8, left connecting plate, 9, right connecting plate, 10, kidney-shaped boss, 11, screw, 12, line shaft, 13, cover plate, 14, oil nozzle, 15, through hole, 16, coupling shaft, 17, rib, 18, the first projection, the 19, second projection, 20, transition disc, 21, positioning groove, 22, positioning spigot, 23, wheel hub, 24, " U " type groove, 25, spline.
Embodiment
For understanding the utility model better, below in conjunction with drawings and Examples, the utility model will be further described.
As Figure 1-3, a kind of chain type braking device of truck, comprises braking bottom board 1, brake shoe and Brake drum 5, and braking bottom board is circular discs, and its one end is provided with an axis hole, and its other end is provided with two shoe plate axis holes; One end of brake shoe is hinged by shoe shaft and shoe plate axis hole; The outer circumferential face of Brake drum and the inner peripheral surface phase configuration of brake shoe, the other end of brake shoe and linking mechanism phase configuration, linking mechanism comprises couple axle 7, left connecting plate 8 and right connecting plate 9, left and right connecting plate symmetry is installed in the both sides of couple axle one end, and the other end of left and right connecting plate is connected with brake shoe.
As shown in Figure 4, brake shoe comprises left hoof and right hoof, left hoof comprises left shoe plate 2 and brake strip 4, right hoof comprises right shoe plate 3 and brake strip 4, left and right shoe plate is the tile fragment structure of semicircular arc, brake strip is arc plate, the inner peripheral surface of left and right shoe plate is installed on respectively two pieces of described brake strips; The opening of left and right shoe plate is oppositely arranged, one end of left and right shoe plate is all had hinging hole and is hinged by shoe shaft and shoe plate axis hole, " U " type groove 24 is inwardly had in the middle part of the termination of the left and right shoe plate the other end, on the biside plate of " U " type groove, symmetry has through hole 15, coupling shaft 16 is installed in through hole, the termination, outside of coupling shaft is provided with locating stud, and locating stud is connected with the termination of return spring 6.
As seen in figs. 5-6, couple axle 7 couple axle is the cylindrical structure that termination, one end is provided with kidney-shaped boss 10, and kidney-shaped raised head face is arranged with two screws, 11, two lines of centres of screw and the axes normal of couple axle up and down; Left and right connecting plate is " 8 " font platy structure of two ends perforate, and kidney-shaped boss is hinged respectively by line shaft 12 one end with left and right connecting plate, and the other end and the coupling shaft 16 of left and right connecting plate are hinged; Line shaft is that two ends are equipped with externally threaded cylindrical body, one end of line shaft and screw phase configuration, the other end of line shaft and cover plate 13 are by nut positioning and locking, the other end termination of line shaft is provided with oil nozzle, lubricant oil is inputted by oil nozzle, reduce the frictional force of line shaft and connecting plate, make brake operating more flexibly smooth and easy; Couple axle the other end termination is provided with spline 25, is connected with drive unit by spline.
As shown in Figure 10, Brake drum 5 is cylindrical tube structure, its inwall is uniform several rib 17 circumferentially, the top design of Brake drum has water-blocking bank, and in the process that Brake drum rotates, water-blocking bank stops outside water inlet to be flowed out, along with the rotary motion of Brake drum, cold water can flow to the whole inwall of Brake drum, makes whole Brake drum fast cooling, improve the radiating effect of braking device by outside water inlet.
The end face outside of Brake drum is circumferentially provided with positioning groove 21, on positioning groove, circumferentially uniform intervals is provided with several power hole, the inner edge of Brake drum is interval with several the first projection 18, first projection radially extended and is provided with screw, and Brake drum is connected with transition disc 20 by bolt.
As shown in Figure 9, transition disc 20 is cirque structure, its inner side end is circumferentially provided with positioning spigot 22, positioning spigot and positioning groove 21 phase configuration, the inner edge of transition disc is interval with several the second projection 19 radially extended, second projection is provided with screw, second projection and the corresponding setting of the first projection, Brake drum and transition disc are engaged by flange collar and groove locates, and be connected by screw, on positioning spigot, circumferentially uniform intervals is provided with several transitional pore, and wheel hub 23 is fixed assembling through the power hole of transitional pore and Brake drum successively by tire bolt.
The braking process of this braking device is as follows, when braking device is in relieving state, the kidney-shaped boss 10 of one end head of couple axle 7 is horizontal (see Fig. 7), left connecting plate 8 and right connecting plate 9 are also horizontal, the spacing of the other end of left shoe plate 2 and right shoe plate 3 is maximum, return spring 6 is in pulling open state, brake shoe and Brake drum 5 do not have to produce the braking force of holding tightly, rotate couple axle, kidney-shaped boss rotates thereupon, thus make left shoe plate, right shoe plate is on a left side, the drive of right connecting plate issues looks to rotation, brake shoe is held Brake drum tightly and is formed braking force, return spring return shrinks, be rotated further couple axle, brake shoe forms more and more tighter braking state, when boss goes to vertical position from horizontal position, braking force reaches maximum, oppositely or be rotated further couple axle, under the effect of left and right connecting plate, left and right shoe plate occurs to rotate dorsad, and return spring is opened, the spacing of the left and right shoe plate the other end becomes large, brake shoe take-off the brake is taken turns, and is repositioned to non-brake state, completes the braking process of vehicle.
Claims (10)
1. a chain type braking device for truck, comprises braking bottom board, brake shoe and Brake drum, and described braking bottom board is circular discs, and one end of braking bottom board is provided with an axis hole, and the other end of braking bottom board is provided with two shoe plate axis holes; One end of described brake shoe is hinged by shoe shaft and described shoe plate axis hole; The outer circumferential face of described Brake drum and the inner peripheral surface phase configuration of brake shoe, it is characterized in that, the other end of described brake shoe and linking mechanism phase configuration, described linking mechanism comprises couple axle, left connecting plate and right connecting plate, described left and right connecting plate symmetry is installed in the both sides of described couple axle one end, and the other end of left and right connecting plate is connected with brake shoe.
2. the chain type braking device of a kind of truck as claimed in claim 1, it is characterized in that described brake shoe comprises left hoof and right hoof, described left hoof comprises left shoe plate and brake strip, described right hoof comprises right shoe plate and brake strip, left and right shoe plate is the tile fragment structure of semicircular arc, described brake strip is arc plate, and brake strip is installed respectively on the inner peripheral surface of left and right shoe plate; The opening of left and right shoe plate is oppositely arranged, and one end of left and right shoe plate is all had hinging hole and is hinged by shoe shaft and shoe plate axis hole, and the termination of the left and right shoe plate the other end is installed on coupling shaft, and the termination, outside of described coupling shaft is connected with the termination of return spring.
3. the chain type braking device of a kind of truck as claimed in claim 2, " U " type groove is inwardly had in the middle part of the termination that it is characterized in that the described left and right shoe plate the other end, on the biside plate of described " U " type groove, symmetry has through hole, coupling shaft is installed in described through hole, the termination, outside of described coupling shaft is provided with locating stud, and described locating stud is connected with the termination of return spring.
4. the chain type braking device of a kind of truck as claimed in claim 2 or claim 3, it is characterized in that described couple axle is the cylindrical structure that termination, one end is provided with kidney-shaped boss, described kidney-shaped raised head face is arranged with two screws up and down, the described line of centres of two screws and the axes normal of couple axle; Described left and right connecting plate is " 8 " font platy structure of two ends perforate, and kidney-shaped boss is hinged respectively by one end of line shaft and left and right connecting plate, and the other end and the described coupling shaft of left and right connecting plate are hinged; Described line shaft is that two ends are equipped with externally threaded cylindrical body, one end of line shaft and described screw phase configuration, and the other end of line shaft and cover plate are by nut positioning and locking.
5. the chain type braking device of a kind of truck as claimed in claim 4, is characterized in that described Brake drum is cylindrical tube structure, and inwall circumferentially uniform several rib of Brake drum, the top design of Brake drum has water-blocking bank.
6. the chain type braking device of a kind of truck as claimed in claim 5, it is characterized in that the end face outside of described Brake drum is circumferentially provided with positioning groove, on described positioning groove, circumferentially uniform intervals is provided with several power hole, the inner edge of Brake drum is interval with several the first projection radially extended, described first projection is provided with screw, and Brake drum is connected with transition disc by bolt.
7. the chain type braking device of a kind of truck as claimed in claim 6, it is characterized in that described transition disc is cirque structure, the inner side end of transition disc is circumferentially provided with positioning spigot, and described positioning spigot and described positioning groove fasten and configure; The inner edge uniform intervals of transition disc is provided with several the second projection radially extended, and described second projection is provided with screw, the second projection and the corresponding setting of described first projection; On positioning spigot, circumferentially uniform intervals is provided with several transitional pore.
8. the chain type braking device of a kind of truck as claimed in claim 4, is characterized in that the other end termination of described line shaft is provided with oil nozzle.
9. the chain type braking device of a kind of truck as claimed in claim 2, the inner peripheral surface that it is characterized in that described left and right shoe plate is installed on two pieces of described brake strips respectively.
10. the chain type braking device of a kind of truck as claimed in claim 4, it is characterized in that described couple axle the other end termination is provided with spline, described spline is connected with drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520329023.7U CN204985436U (en) | 2015-05-20 | 2015-05-20 | Lorry's chain formula arresting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520329023.7U CN204985436U (en) | 2015-05-20 | 2015-05-20 | Lorry's chain formula arresting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985436U true CN204985436U (en) | 2016-01-20 |
Family
ID=55119809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520329023.7U Withdrawn - After Issue CN204985436U (en) | 2015-05-20 | 2015-05-20 | Lorry's chain formula arresting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832568A (en) * | 2015-05-20 | 2015-08-12 | 湖北中尔轮式制动车桥有限公司 | Chain type braking device of heavy vehicle |
| CN111197629A (en) * | 2019-12-30 | 2020-05-26 | 潍柴动力股份有限公司 | Drum brake and have its car braking system and car |
-
2015
- 2015-05-20 CN CN201520329023.7U patent/CN204985436U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832568A (en) * | 2015-05-20 | 2015-08-12 | 湖北中尔轮式制动车桥有限公司 | Chain type braking device of heavy vehicle |
| CN111197629A (en) * | 2019-12-30 | 2020-05-26 | 潍柴动力股份有限公司 | Drum brake and have its car braking system and car |
| CN111197629B (en) * | 2019-12-30 | 2021-08-20 | 潍柴动力股份有限公司 | Drum brake and have its car braking system and car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20181009 |