CN202991953U - Hand pulling self-locking drum brake - Google Patents
Hand pulling self-locking drum brake Download PDFInfo
- Publication number
- CN202991953U CN202991953U CN 201220586123 CN201220586123U CN202991953U CN 202991953 U CN202991953 U CN 202991953U CN 201220586123 CN201220586123 CN 201220586123 CN 201220586123 U CN201220586123 U CN 201220586123U CN 202991953 U CN202991953 U CN 202991953U
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- bearing pin
- crank
- rod
- sides
- synchronising
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- Expired - Fee Related
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Abstract
The utility model relates to a hand pulling self-locking drum brake. The drum brake comprises a base, wherein a ratchet plate is fixed on the base; caliper bodies on two sides, a No.1 synchronous connecting rod and a No.2 synchronous connecting rod are arranged on the base through No.1 pin shafts; brake shoes are arranged on the caliper bodies through No.2 pin shafts; a No.1 pull rod and a No.1 crank are respectively arranged on the caliper bodies on the two sides through No.4 pin shafts; the No.1 pull rod is connected with the No.1 crank through a No.5 pin shaft; a No.2 pull rod is respectively connected with the No.1 crank and a No.2 crank through a No.5 pin shaft and a No.6 pin shaft; a rotating shaft is arranged on the ratchet plate; a handle assembly and the No.2 crank are fixed on the rotating shaft; a tension spring seat and a handle are arranged on a handle body through a No.7 pin shaft; a guide frame is placed into a guide slotted hole in the handle body; the handle and the guide frame are connected by a front and rear connecting plate through a No.8 pin shaft; and a pawl on the guide frame is clamped in a ratchet on the ratchet plate. The drum brake has the advantages of high reliability, convenience of use, low manufacturing cost, reasonable mechanical structure and capability of being used under various working conditions.
Description
Technical field
The utility model relates to a kind of industrial break, but is specifically related to a kind of hand-pulling type self-locking drum brake.
Background technique
Along with the development of industrial automation technology, the break of industrial application is mainly take electromagnetic brake, electrohydraulic brake, pneumatic braking device etc. as main, and these breaks can be realized the quick response in working procedure by electrical control.Yet these breaks are made with the overall cost of control relatively high, are not suitable in the open air supporting or little cost machinery.At present, the manual brake that occurs on market is mainly the boom guy type break, and because bracing wire is an easy disrumpent feelings weak link, this break seldom uses in the abominable occasion of environment.Therefore, in order to satisfy the usage requirement under various operating conditions, but need to be to address the above problem as a kind of hand-pulling type self-locking of foundational development drum brake.
The model utility content
The utility model purpose is: but provide a kind of easy to use, manufacture cost is lower, mechanical structure is reasonable, a kind of hand-pulling type self-locking drum brake that can use under various operating conditions, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technological scheme taked of the utility model is as follows:
but a kind of hand-pulling type self-locking drum brake, comprise base 1, claw plate 28 is fixed on base 1, both sides caliper 14, 1# synchronising (connecting) rod 3, 2# synchronising (connecting) rod 4 is arranged on base 1 by 1# bearing pin 7, 1# synchronising (connecting) rod 3, 2# synchronising (connecting) rod 4 is connected with both sides caliper 14 respectively by 1# bearing pin 7, brake shoe 2 is arranged on caliper 14 by 2# bearing pin 11, friction plate 6 is arranged in the groove of brake shoe 2 by pressing plate 5, Brake drum 12 be braked axle 13 and be fixed together, its center line overlaps with brake shoe 2, both sides 1# joint 16 is arranged on respectively on both sides caliper 14 by 3# bearing pin 15, guide rod 21 is arranged between both sides 1# joint 16, moment spring 20 is sleeved on guide rod 21, and be pressed on 1# joint 16 by pre-load nut 23, 1# pull bar 18, 1# crank 25 is arranged on respectively on both sides caliper 14 by 4# bearing pin 17, 1# pull bar 18 is connected with 1# crank 25 by 5# bearing pin 24, 2# pull bar 26 is connected with the 6# bearing pin to be connected with the 2# crank with 1# crank 25 respectively by 5# bearing pin 24 and is connected, rotating shaft 31 is arranged on claw plate 28, handle assembly 27, 2# crank 30 is fixed in rotating shaft 31, handle assembly 27 comprises handle body 39, spring base 33, handle 41 is arranged on handle body 39 by 7# bearing pin 32, leading truck 36 is placed in long guiding hole on handle body 39, before and after connecting plate 38 are connected with leading truck with handle 41 respectively by 8# bearing pin 40 and are connected, leading truck 36 is connected with spring base 33 by extension spring 34, ratchet 35 on leading truck 36 is stuck in ratchet on claw plate 28.
Described handle assembly 27 can be realized self-locking under the effect of ratchet on claw plate 28.
Described both sides caliper 14 can be under the booster action of 1# synchronising (connecting) rod 3 and 2# synchronising (connecting) rod 4 synchronization motion.
Due to particular design of the present utility model, so compared with prior art, the utlity model has the advantage that reliability is high, easy to use, manufacture cost is lower, mechanical structure is reasonable, can use under various operating conditions.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model 1# synchronising (connecting) rod;
Fig. 3 is the structural representation of the utility model 2# synchronising (connecting) rod;
Fig. 4 is the structural representation of the utility model handle assembly.
description of reference numerals: 1-base, the 2-brake shoe, the 3-1# synchronising (connecting) rod, the 4-2# synchronising (connecting) rod, the 5-pressing plate, the 6-friction plate, the 7-1# bearing pin, the 8-adjusting seat, the 9-1# nut, the 10-bolt, the 11-2# bearing pin, the 12-Brake drum, 13-is braked axle, the 14-caliper, the 15-3# bearing pin, the 16-1# joint, the 17-4# bearing pin, the 18-1# pull bar, the 19-2# nut, 20-moment spring, the 21-guide rod, the 22-screw rod, the 23-pre-load nut, the 24-5# bearing pin, the 25-1# crank, the 26-2# pull bar, the 27-handle assembly, the 28-claw plate, the 29-6# bearing pin, the 30-2# crank, the 31-rotating shaft, the 32-7# bearing pin, the 33-spring base, the 34-extension spring, the 35-ratchet, the 36-leading truck, the 37-guide wheel, the 38-connecting plate, 39-handle body, the 40-8# bearing pin, the 41-handle, the 42-draw-in groove, the 43-plunger.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, but a kind of hand-pulling type self-locking drum brake, comprise base 1, claw plate 28 is fixed on base 1, both sides caliper 14, 1# synchronising (connecting) rod 3, 2# synchronising (connecting) rod 4 is arranged on base 1 by 1# bearing pin 7, 1# synchronising (connecting) rod 3, 2# synchronising (connecting) rod 4 is connected with both sides caliper 14 respectively by 1# bearing pin 7, plunger 43 on 2# synchronising (connecting) rod 4 is arranged in draw-in groove 42 on 1# synchronising (connecting) rod 3, brake shoe 2 is arranged on caliper 14 by 2# bearing pin 11, friction plate 6 is arranged in the groove of brake shoe 2 by pressing plate 5, Brake drum 12 be braked axle 13 and be fixed together, its center line overlaps with brake shoe 2, adjusting seat 8 is fixed on caliper 14, bolt 10 is arranged on adjusting seat 8, and be fixed by 1# nut 9, both sides 1# joint 16 is arranged on respectively on both sides caliper 14 by 3# bearing pin 15, guide rod 21 is arranged between both sides 1# joint 16, moment spring 20 is sleeved on guide rod 21, and be pressed on 1# joint 16 by pre-load nut 23, 1# pull bar 18, 1# crank 25 is arranged on respectively on both sides caliper 14 by 4# bearing pin 17, 1# pull bar 18 is connected with 1# crank 25 by 5# bearing pin 24, 2# pull bar 26 is connected with the 6# bearing pin to be connected with the 2# crank with 1# crank 25 respectively by 5# bearing pin 24 and is connected, rotating shaft 31 is arranged on claw plate 28, handle assembly 27, 2# crank 30 is fixed in rotating shaft 31, handle assembly 27 comprises handle body 39, spring base 33, handle 41 is arranged on handle body 39 by 7# bearing pin 32, guide wheel 37 on leading truck 36 is placed in long guiding hole on handle body 39, before and after connecting plate 38 are connected with leading truck with handle 41 respectively by 8# bearing pin 40 and are connected, leading truck 36 is connected with spring base 33 by extension spring 34, ratchet 35 on leading truck 36 is stuck in ratchet on claw plate 28.
Described handle assembly 27 can be realized self-locking under the effect of ratchet on claw plate 28.
Described both sides caliper 14 can be under the booster action of 1# synchronising (connecting) rod 3 and 2# synchronising (connecting) rod 4 synchronization motion.
Working principle of the present utility model is:
when using the utility model, at first by regulating 1# nut 9 and bolt 10, both sides brake shoe 2 is adjusted to correct position, by regulating 2# nut 19 and screw rod 22, that the length adjustment of 1# pull bar 18 and 2# pull bar 26 is suitable, apply suitable pretightening force by regulating pre-load nut 23 to moment spring 20, after above-mentioned link is adjusted, the utility model can use, when using it to brake, depression of handle 41, by connecting plate 38, leading truck 36 is mentioned, pull laterally handle assembly 27, drive 30 actions of 2# crank by rotating shaft 31, 2# crank 30 drives 25 actions of 1# crank by 2# pull bar 26, 1# crank 25 drives both sides caliper 14 synchronization motions by 1# pull bar 18 and under the booster action of 1# synchronising (connecting) rod 3 and 2# synchronising (connecting) rod 4, and then drive the synchronous Brake drums 12 that compress of both sides brake shoe 2, realization is to being braked the braking of axle 13, when needing brake off, depression of handle 41, driving handle assembly 27 gets final product to the inside.
Due to particular design of the present utility model, so compared with prior art, the utlity model has the advantage that reliability is high, easy to use, manufacture cost is lower, mechanical structure is reasonable, can use under various operating conditions.
Claims (3)
1. but hand-pulling type self-locking drum brake, comprise base (1), it is characterized in that: claw plate (28) is fixed on base (1), both sides caliper (14), 1# synchronising (connecting) rod (3), 2# synchronising (connecting) rod (4) is arranged on base (1) by 1# bearing pin (7), 1# synchronising (connecting) rod (3), 2# synchronising (connecting) rod (4) is connected with both sides caliper (14) respectively by 1# bearing pin (7), brake shoe (2) is arranged on caliper (14) by 2# bearing pin (11), friction plate (6) is arranged in the groove of brake shoe (2) by pressing plate (5), Brake drum (12) be braked axle (13) and be fixed together, its center line overlaps with brake shoe (2), both sides 1# joints (16) are arranged on respectively on both sides caliper (14) by 3# bearing pin (15), guide rod (21) is arranged between both sides 1# joints (16), moment spring (20) is sleeved on guide rod (21), and be pressed on 1# joint (16) by pre-load nut (23), 1# pull bar (18), 1# crank (25) is arranged on respectively on both sides caliper (14) by 4# bearing pin (17), 1# pull bar (18) is connected with 1# crank (25) by 5# bearing pin (24), 2# pull bar (26) is connected 29 by 5# bearing pin (24) with the 6# bearing pin) be connected 30 with 1# crank (25) with the 2# crank respectively) be connected, rotating shaft (31) is arranged on claw plate (28), handle assembly (27), 2# crank (30) is fixed in rotating shaft (31), handle assembly (27) comprises handle body (39), spring base (33), handle (41) is arranged on handle body (39) by 7# bearing pin (32), leading truck (36) is placed in long guiding hole on handle body (39), front and back connecting plates (38) are connected 36 with handle (41) with leading truck respectively by 8# bearing pin (40)) be connected, leading truck (36) is connected with spring base (33) by extension spring (34), ratchet (35) on leading truck (36) is stuck in ratchet on claw plate (28).
2. but a kind of hand-pulling type self-locking drum brake according to claim 1 is characterized in that: described handle assembly (27) can be realized self-locking under the effect of the upper ratchet of claw plate (28).
3. but a kind of hand-pulling type self-locking drum brake according to claim 1 is characterized in that: described both sides calipers (14) can be under the booster action of 1# synchronising (connecting) rod (3) and 2# synchronising (connecting) rod (4) synchronization motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586123 CN202991953U (en) | 2012-11-08 | 2012-11-08 | Hand pulling self-locking drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586123 CN202991953U (en) | 2012-11-08 | 2012-11-08 | Hand pulling self-locking drum brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991953U true CN202991953U (en) | 2013-06-12 |
Family
ID=48563136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220586123 Expired - Fee Related CN202991953U (en) | 2012-11-08 | 2012-11-08 | Hand pulling self-locking drum brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081012A (en) * | 2019-04-17 | 2019-08-02 | 江苏常熟发电有限公司 | Suction ventilator rotor brake |
-
2012
- 2012-11-08 CN CN 201220586123 patent/CN202991953U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081012A (en) * | 2019-04-17 | 2019-08-02 | 江苏常熟发电有限公司 | Suction ventilator rotor brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Tian Yuan Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20141108 |
|
| EXPY | Termination of patent right or utility model |