CN107686052A - A kind of cart brake apparatus of bridge crane - Google Patents
A kind of cart brake apparatus of bridge crane Download PDFInfo
- Publication number
- CN107686052A CN107686052A CN201710736428.6A CN201710736428A CN107686052A CN 107686052 A CN107686052 A CN 107686052A CN 201710736428 A CN201710736428 A CN 201710736428A CN 107686052 A CN107686052 A CN 107686052A
- Authority
- CN
- China
- Prior art keywords
- brake
- support frame
- crane
- brake shoe
- brake apparatus
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
-
- 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
- F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
-
- 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
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- 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
- F16D65/78—Features relating to cooling
- F16D65/80—Features relating to cooling for externally-engaging brakes
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Compositions of linings; Methods of manufacturing
-
- 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
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
-
- 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
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/58—Mechanical mechanisms transmitting linear movement
- F16D2125/64—Levers
-
- 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
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0034—Materials; Production methods therefor non-metallic
-
- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0038—Surface treatment
Abstract
The invention discloses a kind of cart brake apparatus of bridge crane,Including crane,The front end of crane is provided with brake apparatus,A left side for crane,Right both sides are provided with anticollision buffer layer,Brake apparatus includes base and support frame,Base is arranged on the leading flank of crane,Support frame is arranged on base upper surface,Support frame is internally provided with brake lever and brake pushrod,The left end of brake pushrod is connected with brake shoe bearing,Brake shoe is provided with brake shoe bearing,Suspension rod is provided between brake shoe bearing and support frame,Mounting seat is provided with the right flank of support frame,Checking cylinder is provided with mounting seat,Piston rod is provided with inside checking cylinder,The position that support frame right flank corresponds to piston rod is provided with through hole,It is simple in construction,Overall weight is smaller,Required production cost is relatively low,Installation and maintenance operation are all very convenient,It can effectively solve the problem that the problem of background technology proposes,It is worthy to be popularized.
Description
Technical field
The present invention relates to crane technical field, the cart brake apparatus of specially a kind of bridge crane.
Background technology
Bridge crane is crossbearer carries out the crane gear of material handling in workshop, warehouse and stock ground overhead, due to it
Both ends are seated on tall and big concrete column or metallic support, and shape is gained the name like bridge, and the crane span structure edge of bridge crane is laid on
Track on both sides are overhead is longitudinally running, can make full use of the space handling material below crane span structure, not hindered by ground installation
Hinder, it is a kind of hoisting machinery that use range is most wide, quantity is most.
The cart brake of now widely used bridge crane is synchronous with cargo motor, and brake motor is simultaneously
It is connected on cargo motor.In use often problem appear to is that if brake adjusts pine, cart is risen after speed when powering off, root
Originally braking action is not had, the person, equipment safety accident easily occurs；If brake tightens, big vehicle controller returns to
During zero-bit, due to effect of inertia, though cart stops, the object hung will also travel forward, it is difficult to which steady hook operation is very inconvenient；
Furthermore because existing bridge crane is walked by the way of movable motor drags driving wheel, existing brake apparatus is also
Single that driving wheel is braked, with the raising of bridge crane tonnage, braking distance is increasing, and braking is also more and more tired
Difficulty, significantly impact security performance.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of cart brake apparatus of bridge crane, knot
Structure is simple, and overall weight is smaller, and required production cost is relatively low, and installation and maintenance operation are all very convenient, can effectively solve the problem that
The problem of background technology proposes, is worthy to be popularized.
The technical solution adopted for the present invention to solve the technical problems is：A kind of cart brake apparatus of bridge crane,
Crane including rectangular shape, the front end of the crane are provided with brake apparatus, the crane
Arranged on left and right sides be provided with anticollision buffer layer, the brake apparatus includes the support frame of base and rectangular shape, the bottom
Seat is arranged on the leading flank of crane, and support frame as described above is arranged on base upper surface, is hollow inside support frame as described above
Structure, support frame as described above are internally provided with brake lever and brake pushrod, the bottom of the brake lever by joint pin with
Brake pushrod links together, and the left end of the brake pushrod is connected with brake shoe bearing, and brake shoe is provided with the brake shoe bearing,
Be provided with suspension rod between the brake shoe bearing and support frame, the suspension rod both ends by joint pin respectively with brake shoe bearing and support
Frame is linked together, and mounting seat is provided with the right flank of support frame as described above, and checking cylinder, the system are provided with the mounting seat
Dynamic cylinder interior is provided with piston rod, and the position that support frame as described above right flank corresponds to piston rod is provided with through hole, and the piston rod passes through
The top of joint pin and brake lever links together.
As a kind of preferable technical scheme of the present invention, the side of the anticollision buffer layer away from crane is provided with
Abrasion-proof rubber cushion.
As a kind of preferable technical scheme of the present invention, the anticollision buffer layer includes two layers of rubber layer, two layers of rubber
Damping spring is provided between glue-line, and the space between two layers of rubber layer is provided with foam-rubber cushion.
As a kind of preferable technical scheme of the present invention, the brake shoe uses synthetic resin base brake shoe.
As a kind of preferable technical scheme of the present invention, described brake shoe one end is provided with heat dissipating layer, and the heat dissipating layer includes
Copper and fin, the fin are arranged on copper between brake shoe, and the left and right both ends of the fin are respectively provided with
There is radiating fin bar.
As a kind of preferable technical scheme of the present invention, described copper is provided with thermal grease layer between fin,
Heat-conducting silicone grease is applied to copper between fin and formed by the thermal grease layer.
As a kind of preferable technical scheme of the present invention, the radiating fin bar surface is provided with the convex of some spherical structures
Block.
As a kind of preferable technical scheme of the present invention, the brake shoe outer surface is provided with zinc coat.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention serves protection by setting anticollision buffer layer to crane and crane this body structure
Effect, avoid in crane brake failure caused by brake fault or other factors, crane hit lifting
Machine, the security reliability of the bridge crane is improved, reduces maintenance cost.
(2) collective effect of the invention by brake shoe and checking cylinder, realizes the function of being braked to crane,
The braking distance of crane is reduced, improves the accuracy of crane position movement so that crane
Operation is safer.
(3) simple in construction, easy to operate, good braking effect of the invention, in the course of the work, alleviates the work of operator
Burden, securely and reliably, is worthy to be popularized.
Brief description of the drawings
Fig. 1 is the overall structure rough schematic of the present invention；
Fig. 2 is the brake device structure schematic diagram of the present invention；
Fig. 3 is the anticollision buffer layer structural representation of the present invention；
Fig. 4 is the heat dissipating layer structural representation of the present invention.
In figure：1- cranes；2- brake apparatus；3- anticollision buffer layers；4- bases；5- support frames；6- brake levers；
7- brake pushrods；8- brake shoe bearings；9- brake shoes；10- suspension rods；11- mounting seats；12- checking cylinders；13- piston rods；14- through holes；
15- abrasion-proof rubber cushions；16- rubber layers；17- damping springs；18- foam-rubber cushions；19- heat dissipating layers；Copper of 20-；21- fin；
22- radiating fin bars；23- thermal grease layers；24- projections；25- zinc coats.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., only it is direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As depicted in figs. 1 and 2, the cart brake apparatus of a kind of bridge crane, including the crane of rectangular shape are big
Car 1, the front end of the crane 1 are provided with brake apparatus 2, and the arranged on left and right sides of the crane 1 is provided with anti-
Buffer layer 3 is hit, the brake apparatus 2 includes the support frame 5 of base 4 and rectangular shape, and it is big that the base 4 is arranged on crane
On the leading flank of car 1, support frame as described above 5 is arranged on the upper surface of base 4, and the inside of support frame as described above 5 is hollow-core construction, the support
Frame 5 is internally provided with brake lever 6 and brake pushrod 7, and the bottom of the brake lever 6 passes through joint pin and brake pushrod 7
Link together, the left end of the brake pushrod 7 is connected with brake shoe bearing 8, and brake shoe 9 is provided with the brake shoe bearing 8, described
Be provided with suspension rod 10 between brake shoe bearing 8 and support frame 5, the both ends of suspension rod 10 by joint pin respectively with brake shoe bearing 8 and
Support frame 5 is linked together, and mounting seat 11 is provided with the right flank of support frame as described above 5, system is provided with the mounting seat 11
Dynamic cylinder 12, the inside of checking cylinder 12 are provided with piston rod 13, and piston rod 13 is extended or retracted in the presence of checking cylinder 12, described
The position that the right flank of support frame 5 corresponds to piston rod 13 is provided with through hole 14, and piston rod 13 leads to when being stretched out under the effect of checking cylinder 12
Crossing through hole 14 drives brake lever 6 to rotate, and the piston rod 13 is linked together by the top of joint pin and brake lever 6,
When crane 1 is braked, checking cylinder 12 starts air inlet, and piston rod 13 can stretch out so that brake lever 6 is around the fixing point inverse time
Pin rotates, and rotation counterclockwise can also occur under the drive of brake lever 6 for brake pushrod 7, so that brake shoe 9 compresses lifting
The wheel tread of machine cart 1 so that therefore crane 1 obtains brake force, speed reduces until stopping.
As shown in figure 1, the side of the anticollision buffer layer 3 away from crane 1 is provided with abrasion-proof rubber cushion 15, it is wear-resisting
The setting of rubber blanket 15 adds the anti-wear performance of brake shoe 9, extends the service life of roller brake shoe 9.
As shown in figure 3, the anticollision buffer layer 3 includes two layers of rubber layer 16, it is provided between two layers of rubber layer 16
Damping spring 17, and the space between two layers of rubber layer 16 is provided with foam-rubber cushion 18, the setting of anticollision buffer layer 3 is on the one hand
The effect of damping is served, on the other hand, the effect of serving shock-absorbing, crane 1 is avoided and bumps against crane and tie in itself
Due to the damage of crane structure caused by vibrations during structure, so as to reduce maintenance cost used.
As shown in Figure 2 and Figure 4, described one end of brake shoe 9 is provided with heat dissipating layer 19, and the heat dissipating layer 19 includes copper 20 Hes
Fin 21, the fin 21 are arranged between copper 20 and brake shoe 9, and the left and right both ends of the fin 21 are all provided with
Radiating fin bar 22 is equipped with, the setting of heat dissipating layer 19 serves the effect of radiating, because brake shoe 9 can not be with lifting in braking procedure
The wheel of machine cart 1 completely attaches to, so can produce hot-spot on wheel tread, raises the temperature of wheel, so that
Obtain wheel surface and trench abrasion occur, heat cracks easily occurs in wheel, the service life of wheel is greatly reduced, by copper
The heat conduction of piece 20 and the radiating of fin 21, in time can reduce wheel surface temperature, the setting of radiating fin bar 22 causes
The better heat-radiation effect of fin 21；The brake shoe 9 uses synthetic resin base brake shoe, and synthetic resin base brake shoe, which has, to be used
The advantages of long lifespan, wearability are good.
Described copper 20 is provided with thermal grease layer 23 between fin 21, and the thermal grease layer 23 is by heat conduction
Silicone grease is applied to what is formed between copper 20 and fin 21, and the setting of thermal grease layer 23 causes the heat conduction effect of copper 20
Fruit is more preferable；The surface of radiating fin bar 22 is provided with the projection 24 of some spherical structures, and the setting of projection 24 adds radiating fin
The contact area of bar 22 and air, so that the radiating effect of radiating fin bar 22 is more preferable；The outer surface of brake shoe 9 is provided with plating
Zinc layers 25, the setting of zinc coat 25 serve the effect of protection to brake shoe 9, extend the service life of brake shoe 9.
In summary, the main characteristic of the invention lies in that：
(1) present invention serves protection by setting anticollision buffer layer to crane and crane this body structure
Effect, avoid in crane brake failure caused by brake fault or other factors, crane hit lifting
Machine, the security reliability of the bridge crane is improved, reduces maintenance cost.
(2) collective effect of the invention by brake shoe and checking cylinder, realizes the function of being braked to crane,
The braking distance of crane is reduced, improves the accuracy of crane position movement so that crane
Operation is safer.
(3) simple in construction, easy to operate, good braking effect of the invention, in the course of the work, alleviates the work of operator
Burden, securely and reliably, is worthy to be popularized.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (8)
1. a kind of cart brake apparatus of bridge crane, includes the crane (1) of rectangular shape, the crane is big
The front end of car (1) is provided with brake apparatus (2), it is characterised in that：The arranged on left and right sides of the crane (1) is provided with
Anticollision buffer layer (3), the brake apparatus (2) include the support frame (5) of base (4) and rectangular shape, and the base (4) sets
Put on the leading flank of crane (1), support frame as described above (5) is arranged on base (4) upper surface, and support frame as described above (5) is interior
Portion is hollow-core construction, and support frame as described above (5) is internally provided with brake lever (6) and brake pushrod (7), the brake lever
(6) bottom is linked together by joint pin and brake pushrod (7), and the left end of the brake pushrod (7) is connected with brake shoe branch
Seat (8), brake shoe (9) is provided with the brake shoe bearing (8), suspension rod is provided between the brake shoe bearing (8) and support frame (5)
(10), suspension rod (10) both ends are linked together with brake shoe bearing (8) and support frame (5) respectively by joint pin, the branch
Mounting seat (11) is provided with the right flank of support (5), checking cylinder (12), the checking cylinder are provided with the mounting seat (11)
(12) internal to be provided with piston rod (13), the position that support frame as described above (5) right flank corresponds to piston rod (13) is provided with through hole (14),
The piston rod (13) is linked together by the top of joint pin and brake lever (6).
A kind of 2. cart brake apparatus of bridge crane according to claim 1, it is characterised in that：The anticollision damping
Side of the layer (3) away from crane (1) is provided with abrasion-proof rubber cushion (15).
A kind of 3. cart brake apparatus of bridge crane according to claim 1, it is characterised in that：The anticollision damping
Layer (3) includes two layers of rubber layer (16), and damping spring (17), and two layers of rubber are provided between two layers of rubber layer (16)
Space between glue-line (16) is provided with foam-rubber cushion (18).
A kind of 4. cart brake apparatus of bridge crane according to claim 1, it is characterised in that：The brake shoe (9)
Use synthetic resin base brake shoe.
A kind of 5. cart brake apparatus of bridge crane according to claim 1, it is characterised in that：The brake shoe (9)
One end is provided with heat dissipating layer (19), and the heat dissipating layer (19) includes copper (20) and fin (21), the fin (21)
It is arranged between copper (20) and brake shoe (9), and the left and right both ends of the fin (21) are provided with radiating fin bar
(22)。
A kind of 6. cart brake apparatus of bridge crane according to claim 5, it is characterised in that：Described copper
(20) thermal grease layer (23) is provided between fin (21), the thermal grease layer (23) is to be applied to heat-conducting silicone grease
Formed between copper (20) and fin (21).
A kind of 7. cart brake apparatus of bridge crane according to claim 5, it is characterised in that：The radiating fin bar
(22) surface is provided with the projection (24) of some spherical structures.
A kind of 8. cart brake apparatus of bridge crane according to claim 1, it is characterised in that：The brake shoe (9)
Outer surface is provided with zinc coat (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736428.6A CN107686052A (en) | 2017-08-24 | 2017-08-24 | A kind of cart brake apparatus of bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736428.6A CN107686052A (en) | 2017-08-24 | 2017-08-24 | A kind of cart brake apparatus of bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107686052A true CN107686052A (en) | 2018-02-13 |
Family
ID=61154981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710736428.6A Pending CN107686052A (en) | 2017-08-24 | 2017-08-24 | A kind of cart brake apparatus of bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107686052A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893516A (en) * | 2022-03-09 | 2022-08-12 | 中信重工机械股份有限公司 | Auxiliary brake device for large horizontal converter body |
| US11904920B2 (en) | 2021-11-19 | 2024-02-20 | Raytheon Company | Lift cart with mechanically actuated automatic braking device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87202888U (en) * | 1987-03-11 | 1988-01-13 | 吴慎禧 | Governing damper cylinder energy-consuming brake |
| CN101134456A (en) * | 2006-09-01 | 2008-03-05 | 纳博特斯克株式会社 | Tread shoe plate installation apparatus |
| CN202441767U (en) * | 2012-02-29 | 2012-09-19 | 重庆市双鹰制动器有限公司 | Single driving traveling wheel braking device used on crane |
| CN203140083U (en) * | 2013-03-28 | 2013-08-21 | 施菊红 | Ceramic ball grinding mill with strong impact force resistance |
| CN206280421U (en) * | 2016-12-20 | 2017-06-27 | 广州帕夫斯特汽车零部件有限公司 | A kind of heat dissipation type brake block |
-
2017
- 2017-08-24 CN CN201710736428.6A patent/CN107686052A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87202888U (en) * | 1987-03-11 | 1988-01-13 | 吴慎禧 | Governing damper cylinder energy-consuming brake |
| CN101134456A (en) * | 2006-09-01 | 2008-03-05 | 纳博特斯克株式会社 | Tread shoe plate installation apparatus |
| CN202441767U (en) * | 2012-02-29 | 2012-09-19 | 重庆市双鹰制动器有限公司 | Single driving traveling wheel braking device used on crane |
| CN203140083U (en) * | 2013-03-28 | 2013-08-21 | 施菊红 | Ceramic ball grinding mill with strong impact force resistance |
| CN206280421U (en) * | 2016-12-20 | 2017-06-27 | 广州帕夫斯特汽车零部件有限公司 | A kind of heat dissipation type brake block |
Non-Patent Citations (2)
| Title |
|---|
| 《汽车车型及汽车配件目录》从属编委会: "《国产轿车吉普车型及配件目录》", 30 September 1992 * |
| 周文英: "《导热高分子材料》", 30 April 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11904920B2 (en) | 2021-11-19 | 2024-02-20 | Raytheon Company | Lift cart with mechanically actuated automatic braking device |
| CN114893516A (en) * | 2022-03-09 | 2022-08-12 | 中信重工机械股份有限公司 | Auxiliary brake device for large horizontal converter body |
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| PB01 | Publication | ||
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| 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: 20180213 |
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| RJ01 | Rejection of invention patent application after publication |