CN112797093A - Brake drum braking device for engineering truck - Google Patents
Brake drum braking device for engineering truck Download PDFInfo
- Publication number
- CN112797093A CN112797093A CN202110123262.7A CN202110123262A CN112797093A CN 112797093 A CN112797093 A CN 112797093A CN 202110123262 A CN202110123262 A CN 202110123262A CN 112797093 A CN112797093 A CN 112797093A
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- CN
- China
- Prior art keywords
- brake
- reminding
- shell
- brake disc
- disc
- 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.)
- Pending
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Classifications
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
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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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a brake drum braking device for an engineering truck, which comprises a brake disc and a shell, wherein the brake disc is fixedly arranged on a truck frame, the shell is fixedly arranged on a wheel, the shell is rotatably sleeved outside the brake disc, shaft holes are formed in the centers of the shell and the brake disc, a brake cavity is formed in the brake disc, two brake pads which are symmetrically arranged left and right are arranged in the brake cavity, the two brake pad shells are attached to the side walls, and a wear reminding device is arranged between the brake pads and the shell. The V-shaped grooves of the V-shaped brake strips are matched, so that the braking function can be completed after the V-shaped grooves of the V-shaped brake strips are closed; the fixing strip is matched with the reminding belt, when the brake strip is seriously abraded, the distance between the brake pad and the side wall of the brake disc is reduced, and when the fixing strip is contacted with the reminding belt, a reminding sound is given out to remind a user to replace the brake strip.
Description
Technical Field
The invention belongs to the technical field of brake devices, and particularly relates to a brake drum brake device for an engineering truck.
Background
Drum brakes and disc brakes are generally used in engineering vehicles to realize braking, drum brakes are applied to automobiles for nearly a century history, drum brakes are poor in braking effect relative to disc brakes, but drum brakes are low in production cost and have a good self-braking effect, and therefore a drum brake device with low cost and good braking effect is urgently needed to be produced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a brake drum braking device for an engineering truck, which can realize a drum braking device with low cost and good braking effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a brake drum braking device for an engineering truck comprises a brake disc and a shell, wherein the brake disc is fixedly arranged on a frame, the shell is fixedly arranged on a wheel, the shell is rotatably sleeved outside the brake disc, shaft holes are formed in the centers of the shell and the brake disc, a brake cavity is formed in the brake disc, two brake pads which are symmetrically arranged left and right are arranged in the brake cavity, one ends of the two brake pads are hinged to a connecting shaft, and the connecting shaft is arranged in the brake cavity;
the brake pad comprises two brake pads, a connecting shaft, a pull rod, a supporting rod, an expansion plate, a brake pad shell and a side wall, wherein the end, far away from the connecting shaft, of each brake pad is provided with the supporting rod, the expansion plate is rotatably arranged between the two supporting rods and is connected with the pull rod through a pin shaft, the two brake pad shells are attached to the side wall, and a wear reminding device is arranged between each brake pad and the.
Preferably, one end of the supporting rod is connected to the corresponding brake pad, a driving shaft is rotatably mounted at one end of the supporting rod, which is far away from the brake pad, and the driving shaft abuts against the side wall of the expansion plate.
Preferably, be equipped with V type recess on the inboard lateral wall of brake disc, the both sides of V type recess all are equipped with the groove of stepping down, the internally mounted in the groove of stepping down has the warning area.
Preferably, an annular groove is formed in the outer side wall of the brake pad, a brake strip in a curved shape is connected to the groove in a clamping mode, the outer side of the brake strip is in a V shape, and the brake strip is matched with the V-shaped groove.
Preferably, the fixed strip is all installed to the both sides of brake block, the fixed strip is with warning area looks adaptation.
Preferably, the reminding belt is composed of two metal strips, and the connecting parts of the reminding belt and the fixing strips are provided with protrusions.
Compared with the prior art, the invention has the beneficial effects that:
(1) the V-shaped grooves of the V-shaped brake strips are matched, so that the braking function can be finished after the V-shaped grooves are closed, the contact area between the V-shaped brake strips and the V-shaped grooves is large, the braking effect is good, and the service life is long;
(2) the fixing strip is matched with the reminding belt, when the brake strip is seriously abraded, the distance between the brake pad and the side wall of the brake disc is reduced, and when the fixing strip is contacted with the reminding belt, a reminding sound is given out to remind a user to replace the brake strip.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an internal cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a partial sectional view of the brake disc and brake plate of the present invention.
Description of reference numerals:
1. the brake comprises a shell, 2, a shaft hole, 3, a pull rod, 4, a brake disc, 5, a brake pad, 6, a connecting shaft, 7, a support rod, 8, a driving shaft, 9, an expansion plate, 10, a brake strip, 11, a abdication groove, 12, a reminding belt, 13 and a fixing strip.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
As shown in fig. 1 to 4, the brake drum braking device for the engineering truck comprises a brake disc 4 and a shell 1, wherein the brake disc 4 is fixedly installed on a frame, the shell 1 is fixedly installed on a wheel, the shell 1 is rotatably sleeved outside the brake disc 4, shaft holes 2 are formed in the centers of the shell 1 and the brake disc 4, the shaft holes 2 are used for penetrating through a wheel axle, a brake cavity is formed in the brake disc 4, two brake pads 5 which are symmetrically arranged left and right are arranged in the brake cavity, one end of each of the two brake pads 5 is hinged to a connecting shaft 6, each brake pad 5 can rotate around the connecting shaft 6, and the connecting shaft 6 is installed in the brake cavity;
a support rod 7 is installed at one end of each of the two brake pads 5 far away from the connecting shaft 6, an expansion plate 9 is rotatably installed between the two support rods 7, one end of each support rod 7 is connected to the corresponding brake pad 5, a driving shaft 8 is rotatably installed at one end of each support rod 7 far away from the corresponding brake pad 5, the driving shaft 8 is tightly abutted to the side wall of the expansion plate 9, when the expansion plate 9 rotates, the two brake pads 5 can be simultaneously driven to be outwards expanded, the expansion plate 9 is connected with the pull rod 3 through a pin shaft, the two brake pads 5 are attached to the side wall of the shell 1, an abrasion reminding device is arranged between the brake pads 5 and the shell 1, a V-shaped groove is arranged on the inner side wall of the brake disc 4, abdicating grooves 11 are respectively arranged at the two sides of the V-shaped groove 11, a reminding belt 12 is installed inside the abdicating groove 11, fixing strips 13 are installed at the two sides of the brake, reminding area 12 is two metal strips, the junction of reminding area 12 and fixed strip 13 all is equipped with the arch, and fixed strip 13 and the protruding back of contacting on reminding area 12 can arouse and remind area 12 vibrations, and then sends sound and remind the user to change brake strip 10, the annular groove has been seted up on the lateral wall of brake block 5, the joint has the brake strip 10 that the shape is bent type in the recess, the outside of brake strip 10 is the V type, and brake strip 10 and V type recess looks adaptation, and the V type can increase area of contact, makes life longer.
During the use, the wheel drives casing 1 and rotates, and when needs brake, pull rod 3 drives and rises board 9 and rotate, rises board 9 and at the pivoted in-process, can drive the brake block 5 of both sides and rotate around even axle 6 to the outside, and V type brake strip 10 joint is in V type recess, and then accomplishes the brake, and V type brake strip 10 is big with V type recess area of contact, and braking effect is good.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a brake drum device of stopping for machineshop car which characterized in that: the brake disc is characterized by comprising a brake disc (4) and a shell (1), wherein the brake disc (4) is fixedly mounted on a frame, the shell (1) is fixedly mounted on a wheel, the shell (1) is rotatably sleeved outside the brake disc (4), shaft holes (2) are formed in the centers of the shell (1) and the brake disc (4), a brake cavity is formed in the brake disc (4), two brake pads (5) which are symmetrically arranged left and right are arranged in the brake cavity, one end of each of the two brake pads (5) is hinged with a connecting shaft (6), and the connecting shaft (6) is mounted in the brake cavity;
two branch (7) are installed to brake block (5) one end of keeping away from even axle (6), two rotate between branch (7) and install and rise board (9), it is connected with pull rod (3) through the round pin axle to rise board (9), two laminate mutually between brake block (5) casing (1) and the lateral wall, be equipped with wearing and tearing reminding device between brake block (5) and casing (1).
2. The brake drum braking device for the engineering truck is characterized in that one end of the supporting rod (7) is connected to the corresponding brake pad (5), a driving shaft (8) is rotatably mounted at one end, far away from the brake pad (5), of the supporting rod (7), and the driving shaft (8) abuts against the side wall of the expansion plate (9).
3. The brake drum braking device for the engineering truck is characterized in that a V-shaped groove is formed in the inner side wall of the brake disc (4), abdicating grooves (11) are formed in two sides of the V-shaped groove, and a reminding belt (12) is installed inside each abdicating groove (11).
4. The brake drum braking device for the engineering truck is characterized in that an annular groove is formed in the outer side wall of the brake block (5), a brake strip (10) in a curved shape is connected in the groove in a clamping mode, the outer side of the brake strip (10) is in a V shape, and the brake strip (10) is matched with the V-shaped groove.
5. The brake drum braking device for the engineering truck is characterized in that fixing strips (13) are mounted on two sides of the brake pad (5), and the fixing strips (13) are matched with the reminding belt (12).
6. The brake drum braking device for the engineering truck is characterized in that the reminding belt (12) is two metal strips, and protrusions are arranged at the joints of the reminding belt (12) and the fixing strips (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110123262.7A CN112797093A (en) | 2021-01-29 | 2021-01-29 | Brake drum braking device for engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110123262.7A CN112797093A (en) | 2021-01-29 | 2021-01-29 | Brake drum braking device for engineering truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112797093A true CN112797093A (en) | 2021-05-14 |
Family
ID=75812733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110123262.7A Pending CN112797093A (en) | 2021-01-29 | 2021-01-29 | Brake drum braking device for engineering truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112797093A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250978A (en) * | 1979-07-02 | 1981-02-17 | The Bendix Corporation | Lining wear sensor |
| EP1255055A1 (en) * | 2001-04-25 | 2002-11-06 | Delphi Technologies, Inc. | Drum brake and wear sensor therefor |
| CN102808873A (en) * | 2012-08-15 | 2012-12-05 | 周兴 | Conical surface friction brake for industry and automobiles |
| CN107339342A (en) * | 2017-07-07 | 2017-11-10 | 安徽双鹿车业有限公司 | A kind of manufacture method and device of vehicle V-shape drum brake |
| CN108035993A (en) * | 2018-01-12 | 2018-05-15 | 宜昌亿特利缓速器有限责任公司 | A kind of brake shoe assembly and the brake using the brake shoe assembly |
| CN209892664U (en) * | 2019-03-12 | 2020-01-03 | 浙江万安科技股份有限公司 | Drum brake shoe capable of alarming |
| CN210397535U (en) * | 2019-03-20 | 2020-04-24 | 浙江亚太机电股份有限公司 | Drum brake capable of giving alarm by acoustics |
| CN111536173A (en) * | 2020-05-06 | 2020-08-14 | 一汽解放汽车有限公司 | Brake shoe mechanism and brake device |
-
2021
- 2021-01-29 CN CN202110123262.7A patent/CN112797093A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250978A (en) * | 1979-07-02 | 1981-02-17 | The Bendix Corporation | Lining wear sensor |
| EP1255055A1 (en) * | 2001-04-25 | 2002-11-06 | Delphi Technologies, Inc. | Drum brake and wear sensor therefor |
| CN102808873A (en) * | 2012-08-15 | 2012-12-05 | 周兴 | Conical surface friction brake for industry and automobiles |
| CN107339342A (en) * | 2017-07-07 | 2017-11-10 | 安徽双鹿车业有限公司 | A kind of manufacture method and device of vehicle V-shape drum brake |
| CN108035993A (en) * | 2018-01-12 | 2018-05-15 | 宜昌亿特利缓速器有限责任公司 | A kind of brake shoe assembly and the brake using the brake shoe assembly |
| CN209892664U (en) * | 2019-03-12 | 2020-01-03 | 浙江万安科技股份有限公司 | Drum brake shoe capable of alarming |
| CN210397535U (en) * | 2019-03-20 | 2020-04-24 | 浙江亚太机电股份有限公司 | Drum brake capable of giving alarm by acoustics |
| CN111536173A (en) * | 2020-05-06 | 2020-08-14 | 一汽解放汽车有限公司 | Brake shoe mechanism and brake device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210514 |
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| RJ01 | Rejection of invention patent application after publication |