CN203402883U - Chain hoist brake device - Google Patents
Chain hoist brake device Download PDFInfo
- Publication number
- CN203402883U CN203402883U CN201320482502.3U CN201320482502U CN203402883U CN 203402883 U CN203402883 U CN 203402883U CN 201320482502 U CN201320482502 U CN 201320482502U CN 203402883 U CN203402883 U CN 203402883U
- Authority
- CN
- China
- Prior art keywords
- brake
- friction lining
- ratchet
- friction
- semiaxis
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model provides a chain host brake device, and belongs to the technical field of machines. The chain hoist brake device solves the technical problem that an existing chain hoist brake device is short in service life. The chain hoist brake device comprises a support and a first half shaft arranged in the support in a penetrating mode. A brake base which is fixedly connected with the first half shaft is arranged on the first half shaft in a sleeved mode, and the brake base is provided with a first friction face. The chain hoist brake device further comprises a second half shaft, a reversing ratchet wheel which is fixedly connected with the second half shaft is arranged on the second half shaft in a sleeved mode, the reversing ratchet wheel is provided with a second friction face, a braking ratchet wheel which can rotate around the brake base is arranged on the brake base in a sleeved mode, the braking ratchet wheel and the brake base are coaxial, a first friction plate and a second friction plate are arranged on the two sides of the brake ratchet wheel respectively, and the first friction plate and the second friction plate abut against the first friction face and the second friction face respectively; the first friction plate, the second friction plate and the brake ratchet wheel are sintered into a whole; a brake ratchet matched with the brake ratchet wheel is arranged on the support. The chain hoist brake device has the advantages of being long in service life and the like.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of cucurbit brake equipment.
Background technology
China's partial metallurgy cause is through the development of 60 years, grows out of nothing, from small to large, and a plurality of fields have become the partial metallurgy big country in the world.China's powder metallurgy industry has formed an industrial system, and the product of producing can meet the basic demand that Chinese national economy is built.
Before 15 years, brake material all adopts asbestos, resin type brake material, and the brake facing of this material not only thermal behavior is very poor, and asbestos are carcinogens, has abroad forbidden to use.From middle nineteen nineties in last century, China is a large amount of asbestos-free friction materials of development of new just, and have obtained a large amount of scientific and technological achievements.Along with partial metallurgy is used in the large area of automotive brake material, partial metallurgy brake material technology is increasingly mature, the most of brake material of China nationalization now, and accelerate development has the new-type friction material of own intellectual property, my company is used in powder metallurgy friction material in cucurbit braking technology now.
In Chinese patent [CN201049869Y], a kind of hand-drive block braking member is disclosed, comprise ratchet, the both sides of ratchet are bonded with friction lining, this patent is bonded in friction lining on ratchet, situation about easily having ruptured while having prevented preferably friction disc wear, but, in the embodiment of this patent, describe between this friction lining and ratchet and pass through adhesive bond, thisly be there is to following problem in ratchet and the fixing mode of friction lining: 1, during friction lining friction, temperature is higher, adhesive agent at high temperature easily lost efficacy, to there is larger difficulty in the selection of adhesives, be difficult to implement, 2, the friction lining of describing in this patent is that non-metallic material is made, intensity a little less than, and there is carcinogen in the high-abrasive material of most of non-metallic material, 3, bonding mode may exist that the friction lining of ratchet both sides and the Joint strenght between ratchet differ, planeness is difficult to guarantee, causes friction disc wear uneven.Between the above-mentioned problems in the prior art, and this patent is proposed.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, and a kind of cucurbit brake equipment is provided, and technical problem to be solved in the utility model is to improve the intensity of ratchet upper friction plate, extend its service life.
The purpose of this utility model can realize by following technical proposal: a kind of cucurbit brake equipment, comprise a bearing and be located in the semiaxis one on bearing, on described semiaxis one, be arranged with the brake seat being connected with semiaxis one, it is characterized in that, on described brake seat, there is a friction face one, this brake equipment also comprises a semiaxis two, on described semiaxis two, be arranged with the commutation ratchet being connected with semiaxis two, on described commutation ratchet, there is a friction face two, on described brake seat, be arranged with a brake ratchet that can rotate around brake seat, described brake ratchet is coaxial with described brake seat, the both sides of described brake ratchet are respectively equipped with friction lining one and friction lining two, described friction lining one and friction lining two lean with described friction face one and friction face two respectively, described friction lining one, friction lining two and brake ratchet three are sintered into one, described bearing is provided with the braking ratchet coordinating with brake ratchet.
Principle of work of the present utility model is: when cucurbit rises, power is passed to commutation ratchet by semiaxis two, commutation ratchet is by the cooperation of friction face two and friction lining two, by transmission of power to brake ratchet, now, braking ratchet allows brake ratchet to rotate, and the power of brake ratchet is passed to semiaxis one by friction face one and friction lining one, realizes semiaxis two rotations; When cucurbit declines, power is passed to commutation ratchet by semiaxis two, commutation ratchet is by the cooperation of friction face two and friction lining two, by transmission of power to brake ratchet, now, braking ratchet does not allow brake ratchet to rotate, and the power of brake ratchet is passed to semiaxis one by friction face one and friction lining one, realizes semiaxis and slowly rotates; In the working process of whole brake equipment, friction lining one and friction lining two are all constantly rubbing, because mode and the brake ratchet of friction lining one and friction lining two-way oversintering is integral, friction lining one and friction lining two are wearing up to when very thin, also the situation that there will not be fracture, extended service life, and by the mode of sintering, can guarantee the Joint strenght between friction lining one, friction lining two and brake ratchet, also can accomplish comparatively accurately the thickness evenness of friction lining one and friction lining two.
In above-mentioned a kind of cucurbit brake equipment, the thickness of described friction lining one and friction lining two is 1.5mm.The inner ring of brake ratchet and the diameter of outer ring are respectively 40mm and 54mm, even if the friction lining that thickness is 1.5mm rubs to last 0.1mm, friction lining yet can not come off and rupture from brake ratchet.
In above-mentioned a kind of cucurbit brake equipment, on described friction lining one and friction lining two, all offer some heat radiation junk slots, described friction lining one and friction lining two all adopt powdered metallurgical material to make.In order to improve the heat radiation chip removal performance of brake ratchet, further extend the service life of this brake equipment, on friction lining one and friction lining two, be provided with heat radiation junk slot, on friction lining one and friction lining two, be all evenly provided with four heat radiation junk slots.
In above-mentioned a kind of cucurbit brake equipment, the thickness of described heat radiation junk slot is 1mm.
In above-mentioned a kind of cucurbit brake equipment, the width of described heat radiation junk slot is 3mm.
Compared with prior art, the utlity model has following advantage:
1, mode and the brake ratchet in friction lining one and friction lining two-way oversintering is integral, friction lining one and friction lining two are wearing up to when very thin, also the situation that there will not be fracture, extended service life, and by the mode of sintering, can guarantee the Joint strenght between friction lining one, friction lining two and brake ratchet, also can accomplish comparatively accurately the thickness evenness of friction lining one and friction lining two.
2, in order to improve the heat radiation chip removal performance of brake ratchet, further extend the service life of this brake equipment, on friction lining one and friction lining two, be provided with heat radiation junk slot, on friction lining one and friction lining two, be all evenly provided with four heat radiation junk slots.
Accompanying drawing explanation
Fig. 1 is the structural representation of this cucurbit brake equipment.
Fig. 2 is the structural representation of brake ratchet in this cucurbit brake equipment.
Fig. 3 is the left view of Fig. 2.
In figure, 1, bearing; 2, brake seat; 31, semiaxis one; 32, semiaxis two; 41, friction face one; 42, friction face two; 51, friction lining one; 52, friction lining two; 6, commutation ratchet; 71, brake ratchet; 72, braking ratchet; 8, heat radiation junk slot.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this cucurbit brake equipment comprises a bearing 1 and is located in the semiaxis 1 on bearing 1, on semiaxis 1, be arranged with the brake seat 2 being connected with semiaxis 1, it is characterized in that, on brake seat 2, there is a friction face 1, this brake equipment also comprises a semiaxis 2 32, on semiaxis 2 32, be arranged with the commutation ratchet 6 being connected with semiaxis 2 32, on commutation ratchet 6, there is a friction face 2 42, on brake seat 2, be arranged with a brake ratchet 71 that can rotate around brake seat 2, brake ratchet 71 is coaxial with brake seat 2, the both sides of brake ratchet 71 are respectively equipped with friction lining 1 and friction lining 2 52, friction lining 1 and friction lining 2 52 lean with friction face 1 and friction face 2 42 respectively, friction lining 1, friction lining 2 52 and brake ratchet 71 threes are sintered into one, bearing 1 is provided with the braking ratchet 72 coordinating with brake ratchet 71.
As shown in Figures 2 and 3, the thickness of friction lining 1 and friction lining 2 52 is 1.5mm, the inner ring of brake ratchet 71 and the diameter of outer ring are respectively 40mm and 54mm, even if the friction lining that thickness is 1.5mm friction is to last 0.1mm, friction lining yet can not come off and rupture from brake ratchet 71, on friction lining 1 and friction lining 2 52, all offer some heat radiation junk slots 8, in order to improve the heat radiation chip removal performance of brake ratchet 71, further extend the service life of this brake equipment, on friction lining 1 and friction lining 2 52, be provided with heat radiation junk slot 8, friction lining 1 and friction lining 52 2 all adopt powdered metallurgical material to make, on friction lining 1 and friction lining 2 52, be all evenly provided with four heat radiation junk slots 8, the thickness of heat radiation junk slot 8 is 1mm, the width of heat radiation junk slot 8 is 3mm.
Principle of work of the present utility model is: when cucurbit rises, power is passed to commutation ratchet 6 by semiaxis 2 32, commutation ratchet 6 is by the cooperation of friction face 2 42 and friction lining 2 52, by transmission of power to brake ratchet 71, now, braking ratchet 72 allows brake ratchet 71 to rotate, and the power of brake ratchet 71 is passed to semiaxis 1 by friction face 1 and friction lining 1, realizes semiaxis 2 32 and rotates; When cucurbit declines, power is passed to commutation ratchet 6 by semiaxis 2 32, commutation ratchet 6 is by the cooperation of friction face 2 42 and friction lining 2 52, by transmission of power to brake ratchet 71, now, braking ratchet 72 does not allow brake ratchet 71 to rotate, and the power of brake ratchet 71 is passed to semiaxis 1 by friction face 1 and friction lining 1, realizes semiaxis and slowly rotates; In the working process of whole brake equipment, friction lining 1 and friction lining 2 52 are all constantly rubbing, because friction lining 1 and friction lining 2 52 mode and the brake ratchet 71 by sintering is integral, friction lining 1 and friction lining 2 52 are wearing up to when very thin, also the situation that there will not be fracture, extended service life, and by the mode of sintering, can guarantee the Joint strenght between friction lining 1, friction lining 2 52 and brake ratchet 71, also can accomplish comparatively accurately the thickness evenness of friction lining 1 and friction lining 2 52.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. a cucurbit brake equipment, comprise a bearing (1) and be located in the semiaxis one (31) on bearing (1), on described semiaxis one (31), be arranged with the brake seat (2) being connected with semiaxis one (31), it is characterized in that, on described brake seat (2), there is a friction face one (41), this brake equipment also comprises a semiaxis two (32), on described semiaxis two (32), be arranged with the commutation ratchet (6) being connected with semiaxis two (32), on described commutation ratchet (6), there is a friction face two (42), on described brake seat (2), be arranged with a brake ratchet (71) that can rotate around brake seat (2), described brake ratchet (71) is coaxial with described brake seat (2), the both sides of described brake ratchet (71) are respectively equipped with friction lining one (51) and friction lining two (52), described friction lining one (51) and friction lining two (52) lean with described friction face one (41) and friction face two (42) respectively, described friction lining one (51), friction lining two (52) and brake ratchet (71) three are sintered into one, described bearing (1) is provided with the braking ratchet (72) coordinating with brake ratchet (71).
2. cucurbit brake equipment according to claim 1, is characterized in that, the thickness of described friction lining one (51) and friction lining two (52) is 1.5mm.
3. cucurbit brake equipment according to claim 2, it is characterized in that, on described friction lining one (51) and friction lining two (52), all offer some heat radiation junk slots (8), described friction lining one (51) and friction lining two (52) all adopt powdered metallurgical material to make.
4. cucurbit brake equipment according to claim 3, is characterized in that, the thickness of described radiating groove (8) is 1mm.
5. cucurbit brake equipment according to claim 4, is characterized in that, the width of described radiating groove (8) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482502.3U CN203402883U (en) | 2013-08-08 | 2013-08-08 | Chain hoist brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482502.3U CN203402883U (en) | 2013-08-08 | 2013-08-08 | Chain hoist brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203402883U true CN203402883U (en) | 2014-01-22 |
Family
ID=49938822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320482502.3U Expired - Fee Related CN203402883U (en) | 2013-08-08 | 2013-08-08 | Chain hoist brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203402883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935926A (en) * | 2014-04-01 | 2014-07-23 | 浙江五一机械有限公司 | Brake device of manual hoist |
| CN105174116A (en) * | 2015-10-08 | 2015-12-23 | 浙江永天机电制造有限公司 | Multifunctional safety rope both-way crane |
-
2013
- 2013-08-08 CN CN201320482502.3U patent/CN203402883U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935926A (en) * | 2014-04-01 | 2014-07-23 | 浙江五一机械有限公司 | Brake device of manual hoist |
| CN105174116A (en) * | 2015-10-08 | 2015-12-23 | 浙江永天机电制造有限公司 | Multifunctional safety rope both-way crane |
| CN105174116B (en) * | 2015-10-08 | 2017-09-29 | 浙江永天机电制造有限公司 | The two-way crane of multifunctional safe rope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104525949B (en) | A kind of copper-based composite friction material of high abrasion and preparation method thereof | |
| CN203402883U (en) | Chain hoist brake device | |
| CN203202078U (en) | Novel dovetail-structured synthetic brake pad | |
| CN202991967U (en) | Brake pad with friction materials made from grain straw | |
| CN202910745U (en) | Diamond grinding wheel | |
| CN204544334U (en) | Ceramic granule partial selective enhancement not heat treatment abrasion-proof backing block | |
| CN201931363U (en) | Annular multilayer grinding wheel | |
| CN203418448U (en) | Beveled edge resin bond diamond grinding wheel | |
| CN204658118U (en) | A kind of powder metallurgy pressing plate for angle grinding machine | |
| CN204248676U (en) | Heat radiation emery wheel | |
| CN204419953U (en) | A kind of Drop-proof heat radiation brake block | |
| CN201399725Y (en) | Novel high-speed cam grinding vitrified bond CBN grinding wheel | |
| CN203594716U (en) | Engineering mechanical brake block | |
| CN203161934U (en) | Automotive dust exhausting brake pad | |
| CN203655987U (en) | Bus brake pad with friction material made of rice and wheat straws | |
| CN203425877U (en) | Ceramic metal composite ball mill lining plate | |
| CN203655986U (en) | Heavy truck brake pad with friction material made of rice and wheat straws | |
| CN205154967U (en) | Electromagnetic brake | |
| CN204639953U (en) | A kind of large-scale emery wheel of improvement | |
| CN102816408B (en) | Friction material for auto brake pad | |
| CN204893741U (en) | High coefficient of friction's abrasive cloth wheel fixed disk | |
| CN208839682U (en) | A kind of two-sided mill | |
| CN204384799U (en) | A kind of bottle gouard moved by hands brake equipment | |
| CN203627688U (en) | Speed reducer and clutch integrated transmission device | |
| CN101596702A (en) | A kind of special-shape diamond grinding wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20190808 |