CN110296163B - Intermittent snub brake type braking clamp for rail transit by utilizing inertia force - Google Patents
Intermittent snub brake type braking clamp for rail transit by utilizing inertia force Download PDFInfo
- Publication number
- CN110296163B CN110296163B CN201910629955.6A CN201910629955A CN110296163B CN 110296163 B CN110296163 B CN 110296163B CN 201910629955 A CN201910629955 A CN 201910629955A CN 110296163 B CN110296163 B CN 110296163B
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- Prior art keywords
- brake
- brake caliper
- fixedly connected
- pipeline
- spring
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- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/027—Check valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
- F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
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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
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
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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
- 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
- F16D2127/00—Auxiliary mechanisms
- F16D2127/02—Release mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Braking Systems And Boosters (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides an intermittent snub brake type braking clamp for rail transit by utilizing inertia force, and relates to the technical field of rail transit. This utilize intermittent type point formula of stopping track traffic of inertial force to use braking clamp, including the brake caliper, the inside bottom swing joint of brake caliper has the piston, one side fixed mounting that the piston is close to the brake caliper center has the brake friction disc, the first spring of fixedly connected with between piston and the brake caliper inner wall, be provided with the brake disc between the brake friction disc, the top fixedly connected with pipeline of brake caliper, the inside sliding connection of pipeline has the push rod. This utilize intermittent type point formula of stopping track traffic of inertial force to use braking clamp can carry out the braking effect of intermittent type formula to the train, has avoided the wheel to be locked, has improved the braking effect of braking clamp to the train, to orbital wearing and tearing when having reduced the train braking, has avoided the injury that the train brakes suddenly and slows down and lead to the fact passenger in the carriage.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to an intermittent snub brake type braking clamp for rail transit by utilizing inertia force.
Background
With the rapid development of national economy, the urbanization process is accelerated, the travel of residents is increasingly intensified, higher requirements are put forward for the safety of public transportation, although dynamic braking plays a larger and larger role, a mechanical braking mode is required to be adopted during emergency braking to ensure that a rail transit vehicle stops within a specified braking distance so as to ensure the driving safety, and the braking clamp is used as an important component of mechanical braking, and the performance of the braking clamp directly influences the safe operation of the rail transit.
Mechanical braking's mode is that the wheel of utilizing hydraulic braking clamp to the pairing extrudees, frictional force when increase wheel is rotatory, thereby realize the speed reduction effect to the vehicle, but to track traffic, be rigid contact between wheel and the track, and the contact surface is smooth state under long-term wearing and tearing, restrict the rotation of wheel suddenly, make the wheel locked easily, make the wheel slide on the track, not only reduced braking effect, still can cause bigger wearing and tearing to the track, and rail train speed is very fast, decelerate suddenly, can make the interior passenger of carriage receive very big inertial force, cause the injury to the passenger easily.
Disclosure of Invention
The invention aims to provide the intermittent snub brake type rail transit brake clamp utilizing the inertia force, which has the advantages that the intermittent brake effect can be performed on a train, wheels are prevented from being locked, the brake effect of the brake clamp on the train is improved, the abrasion of the train on a rail during braking is reduced, and the injury of passengers in a carriage caused by sudden braking and deceleration of the train is avoided.
In order to achieve the purpose, the invention is realized by the following technical scheme: a brake clamp for intermittent snub brake type rail transit by utilizing inertia force comprises a brake clamp, a piston, a brake friction plate, a first spring, a brake disc, a pipeline, a push rod, an oil storage tank, a branch pipe, a one-way valve and an inertia trigger device.
The one-way valve comprises a valve body, a connecting rod, a sleeve, a core rod, a coil, a second spring, a metal block and a rubber ball.
The inertia trigger device comprises a frame body, a third spring, a counterweight contact ball, an electric wire and a contact piece.
Wherein:
the brake caliper is characterized in that a piston is movably connected to the bottom end inside the brake caliper, a brake friction plate is fixedly mounted on one side, close to the center of the brake caliper, of the piston, a first spring is fixedly connected between the piston and the inner wall of the brake caliper, a brake disc is arranged between the brake friction plates, a pipeline is fixedly connected to the top end of the brake caliper, a push rod is slidably connected to the inside of the pipeline, an oil storage tank is fixedly connected to the top end of the pipeline, a branch pipe is fixedly connected between the right side of the oil storage tank and the pipeline, a one-way valve is fixedly mounted on the branch pipe, and an inertia trigger device is fixedly connected.
Preferably, the inside of valve body is through connecting rod fixedly connected with sleeve pipe, the inside bottom mounting of sleeve pipe has placed the core bar, the peripheral winding of core bar has the coil, second spring fixedly connected with metal block is passed through on the top of core bar, the top fixed mounting of metal block has the rubber ball, and when initial state, metal block and rubber ball contact with the mouth of pipe of branch pipe under the effect of second spring, have realized the closed effect to the branch pipe for hydraulic oil in the pipeline can't enter into the oil storage tank through the branch pipe.
Preferably, the inside right side of framework touches the ball through third spring fixedly connected with counter weight, the right-hand member that the ball was touched to the counter weight is connected with the power through the electric wire, the inside left side fixedly connected with of framework touches the electricity piece, and when the train braking, the counter weight touches the ball and will drag the third spring and remove left under inertial effect, and when brake strength was too big, the counter weight touched the ball and will contact with touching the electricity piece.
Preferably, the inside of brake pincers, pipeline and oil storage tank all has hydraulic oil, and during initial condition, the push rod is located the left side of oil storage tank and pipe connection department for the inside hydraulic oil of brake pincers, pipeline and oil storage tank does not have pressure, and after the push rod passes through the junction of oil storage tank and pipeline, the push rod will be plugged up the export of oil storage tank, and the pressure that will increase the inside of brake pincers lasts to promote.
Preferably, the contact piece is connected with the coil through a wire, and when the counterweight contact ball is contacted with the contact piece, the coil can be electrified.
The invention provides a braking clamp for intermittent snub type rail transit, which utilizes inertia force. The method has the following beneficial effects:
1. this utilize intermittent type point formula of stopping rail transit of inertial force to use braking clamp, design through inertia trigger device, when train braking dynamics is too big, can make the counter weight touch the ball and pull under great inertia behind the third spring with touch the electric sheet contact, the circular telegram to the interior coil of check valve has been realized, thereby attract metal block and rubber ball downwards, make the check valve opened, thereby the inside pressure of brake caliper has been reduced, make the frictional force between braking friction disc and the brake disc reduce, avoided the wheel to be locked, the braking effect of braking clamp to the train has been improved, to orbital wearing and tearing when having reduced the train braking.
2. This utilize intermittent type point formula track traffic of inertia to stop braking clamp when reducing through inertia, the counter weight touches the ball just can't switch on the coil, and the check valve closes once more under the effect of second spring and hydraulic pressure oil pressure, and at the in-process that the push rod lasts the promotion, will increase the frictional force between brake friction disc and the brake disc once more to reach the effect to train intermittent type formula braking, avoided the train to brake the injury that the speed reduction led to the fact passenger in the carriage suddenly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the structure of the present invention;
fig. 3 is a schematic structural view of the check valve of the present invention.
In the figure: the brake comprises a brake caliper 1, a piston 2, a brake friction plate 3, a first spring 4, a brake disc 5, a pipeline 6, a push rod 7, an oil storage tank 8, a branch pipe 9, a one-way valve 10, a valve body 101, a connecting rod 102, a sleeve 103, a core rod 104, a coil 105, a second spring 106, a metal block 107, a rubber ball 108, an inertia trigger device 11, a frame 111, a third spring 112, a counterweight contact ball 113, an electric wire 114, an electric contact sheet 115 and hydraulic oil 12.
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.
The embodiment of the intermittent snub brake type rail transit brake clamp using the inertia force is as follows:
referring to fig. 1-3, a brake caliper for intermittent snub brake type rail transit using inertia force includes a brake caliper 1, a piston 2, a brake pad 3, a first spring 4, a brake disc 5, a pipe 6, a push rod 7, an oil storage tank 8, a branch pipe 9, a check valve 10, and an inertia trigger 11.
The check valve 10 includes a valve body 101, a connecting rod 102, a sleeve 103, a core rod 104, a coil 105, a second spring 106, a metal block 107, and a rubber ball 108.
The inertia trigger device 11 includes a frame 111, a third spring 112, a weight contact ball 113, an electric wire 114, and a contact piece 115.
Wherein:
the bottom end of the interior of the brake caliper 1 is movably connected with a piston 2, one side of the piston 2 close to the center of the brake caliper 1 is fixedly provided with a brake friction plate 3, a first spring 4 is fixedly connected between the piston 2 and the inner wall of the brake caliper 1, a brake disc 5 is arranged between the brake friction plates 3, the top end of the brake caliper 1 is fixedly connected with a pipeline 6, the interior of the pipeline 6 is slidably connected with a push rod 7, the top end of the pipeline 6 is fixedly connected with an oil storage tank 8, hydraulic oil 12 is arranged in the brake caliper 1, the pipeline 6 and the oil storage tank 8, the push rod 7 is positioned on the left side of the joint of the oil storage tank 8 and the pipeline 6 in an initial state, so that the hydraulic oil 12 in the brake caliper 1, the pipeline 6 and the oil storage tank 8 does not have pressure, and after the push rod 7 passes through the joint of the oil storage tank 8 and the pipeline 6, a branch pipe 9 is fixedly connected between the right side of the oil storage tank 8 and the pipeline 6, a check valve 10 is fixedly installed on the branch pipe 9, a sleeve pipe 103 is fixedly connected inside a valve body 101 through a connecting rod 102, a core rod 104 is fixedly placed at the bottom end inside the sleeve pipe 103, a coil 105 is wound on the periphery of the core rod 104, a metal block 107 is fixedly connected at the top end of the core rod 104 through a second spring 106, a rubber ball 108 is fixedly installed at the top end of the metal block 107, when the valve is in an initial state, the metal block 107 and the rubber ball 108 are in contact with a pipe orifice of the branch pipe 9 under the action of the second spring 106, the sealing effect on the branch pipe 9 is realized, so that hydraulic oil 12 in the pipeline 6 cannot enter the oil storage tank 8 through the branch pipe 9, when the inertia force is reduced, the coil 105 cannot be electrified through a counterweight contact ball 113, the check valve 10 is closed again under the action of the pressure of the, the friction force between the brake friction plate 3 and the brake disc 5 is increased again, so that the intermittent braking effect on the train is achieved, and the injury to passengers in the train compartment caused by sudden braking and deceleration of the train is avoided.
The inertia trigger device 11 is fixedly connected between the one-way valve 10 and the rear end of the brake caliper 1, the right side inside the frame 111 is fixedly connected with a counterweight contact ball 113 through a third spring 112, the right end of the counterweight contact ball 113 is connected with a power supply through an electric wire 114, the left side inside the frame 111 is fixedly connected with a contact electric sheet 115, when a train brakes, the counterweight contact ball 113 will pull the third spring 112 to move leftwards under the action of inertia, when the braking strength is too high, the counterweight contact ball 113 will contact the contact electric sheet 115, the contact electric sheet 115 is connected with the coil 105 through the electric wire 114, when the counterweight contact ball 113 contacts the contact electric sheet 115, the coil 105 can be electrified, through the design of the inertia trigger device 11, when the train braking force is too high, the counterweight contact ball 113 will pull the third spring 112 under the large inertia and then contact the contact electric sheet 115, so as to realize the electrification of the coil 105 in the one-way valve 10, thereby attract metal block 107 and rubber ball 108 downwards for check valve 10 is opened, thereby has reduced the inside pressure of brake caliper 1, makes the frictional force between brake friction disc 3 and the brake disc 5 reduce, has avoided the wheel to be locked, has improved the braking effect of brake caliper to the train, has reduced the wearing and tearing to the track when the train brakes.
When the brake caliper is used, when a train needs to be braked, the push rod 7 is continuously pushed forwards through the control device, after the push rod 7 passes through the joint of the oil storage tank 8 and the pipeline 6, the push rod 7 blocks the outlet of the oil storage tank 8, hydraulic oil 12 in the pipeline 6 cannot enter the oil storage tank 8 through the branch pipe 9 under the action of the one-way valve 10, so that the pipeline 6 and the inside of the brake caliper 1 form a closed space, in the pushing process of the push rod 7, the pistons 2 on two sides drive the brake friction plates 3 to move towards the middle to extrude the brake disc 5, so that the braking effect on the wheel is realized, and when the wheel is locked due to overlarge braking force, the counterweight contact ball 113 in the frame 111 pulls the third spring 112 to contact with the contact sheet 115 under the action of inertia force, and in the contact process, the power supply and the coil 105 are in an electrified state, therefore, the core rod 104 generates magnetism, the metal block 107 and the rubber ball 108 at the top are adsorbed downwards, hydraulic oil 12 in the pipeline 6 can flow into the oil storage tank 8, the pressure inside the brake caliper 1 is reduced, the friction force between the brake pad 3 and the brake disc 5 is reduced, wheels are prevented from being locked, when the inertia force is not enough to enable the counterweight contact ball 113 to pull the third spring 112 and the contact electrode 115, the core rod 104 cannot attract the metal block 107 and the rubber ball 108 to move downwards, the hydraulic oil 12 cannot flow into the oil storage tank 8, and the friction force between the brake pad 3 and the brake disc 5 is increased again in the process that the push rod 7 continuously pushes, so that the effect of intermittent braking of a train is achieved, and the injury of sudden braking of the train to passengers in a carriage is avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an utilize intermittent type point of inertia power formula track traffic to use braking clamp, includes brake caliper (1), its characterized in that: a piston (2) is movably connected at the bottom end inside the brake caliper (1), a brake friction plate (3) is fixedly arranged on one side of the piston (2) close to the center of the brake caliper (1), a first spring (4) is fixedly connected between the piston (2) and the inner wall of the brake caliper (1), a brake disc (5) is arranged between the brake friction plates (3), the top end of the brake caliper (1) is fixedly connected with a pipeline (6), a push rod (7) is connected inside the pipeline (6) in a sliding way, an oil storage tank (8) is fixedly connected at the top end of the pipeline (6), a branch pipe (9) is fixedly connected between the right side of the oil storage tank (8) and the pipeline (6), a one-way valve (10) is fixedly arranged on the branch pipe (9), and an inertia trigger device (11) is fixedly connected between the one-way valve (10) and the rear end of the brake caliper (1);
the check valve (10) comprises a valve body (101), a connecting rod (102), a sleeve (103), a core rod (104), a coil (105), a second spring (106), a metal block (107) and a rubber ball (108), wherein the sleeve (103) is fixedly connected inside the valve body (101) through the connecting rod (102), the core rod (104) is fixedly placed at the bottom end inside the sleeve (103), the coil (105) is wound on the periphery of the core rod (104), the metal block (107) is fixedly connected at the top end of the core rod (104) through the second spring (106), and the rubber ball (108) is fixedly installed at the top end of the metal block (107);
inertia trigger device (11) touches ball (113), electric wire (114), touches electric sheet (115) including framework (111), third spring (112), counter weight, the inside right side of framework (111) touches ball (113) through third spring (112) fixedly connected with counter weight, the right-hand member that ball (113) was touched to the counter weight is connected with the power through electric wire (114), electric sheet (115) is touched to the inside left side fixedly connected with of framework (111).
2. The brake caliper for intermittent snub rail transit using inertial force according to claim 1, wherein: brake caliper (1), pipeline (6) and the inside of oil storage tank (8) all have hydraulic oil (12), during initial condition, push rod (7) are located the left side of oil storage tank (8) and pipeline (6) junction.
3. The brake caliper for intermittent snub rail transit using inertial force according to claim 1, wherein: the contact strip (115) is connected to the coil (105) via a wire (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629955.6A CN110296163B (en) | 2019-07-12 | 2019-07-12 | Intermittent snub brake type braking clamp for rail transit by utilizing inertia force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629955.6A CN110296163B (en) | 2019-07-12 | 2019-07-12 | Intermittent snub brake type braking clamp for rail transit by utilizing inertia force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110296163A CN110296163A (en) | 2019-10-01 |
| CN110296163B true CN110296163B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910629955.6A Expired - Fee Related CN110296163B (en) | 2019-07-12 | 2019-07-12 | Intermittent snub brake type braking clamp for rail transit by utilizing inertia force |
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| CN (1) | CN110296163B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113446338B (en) * | 2021-09-01 | 2021-11-02 | 徐州万泽机械科技有限公司 | Self-suction type cooling structure of disc brake |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069591C (en) * | 1998-03-25 | 2001-08-15 | 翟正环 | Electronic inertial anti-locking system for vehicle |
| CN2325275Y (en) * | 1998-04-14 | 1999-06-23 | 林炳义 | Anti blocking arrangement for automobile |
| CN1488539A (en) * | 2002-10-08 | 2004-04-14 | 李文伟 | Piston combined-contact type fully-automatic multi-display dual-safety antiblocking brake system |
| DE10340972A1 (en) * | 2003-09-05 | 2005-03-24 | Robert Bosch Gmbh | Hydraulic brake system and method for its control |
| CN208393339U (en) * | 2018-04-27 | 2019-01-18 | 邓跃海 | A kind of braking automobile double brake device |
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| CN110296163A (en) | 2019-10-01 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200927 Address after: No.76, Jinwu Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: ZHEJIANG BAICHUAN MACHINERY Co.,Ltd. Address before: 528000 Zumiao Street, Chancheng District, Foshan City, Guangdong Province Applicant before: Guan Hefang |
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| TA01 | Transfer of patent application right | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A brake clamp for intermittent point braking rail transit using inertial force Effective date of registration: 20220121 Granted publication date: 20201027 Pledgee: Diankou sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG BAICHUAN MACHINERY Co.,Ltd. Registration number: Y2022980000816 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |