CN201442589U - Shock-proof continuous-measuring shift contactor - Google Patents
Shock-proof continuous-measuring shift contactor Download PDFInfo
- Publication number
- CN201442589U CN201442589U CN2009200262776U CN200920026277U CN201442589U CN 201442589 U CN201442589 U CN 201442589U CN 2009200262776 U CN2009200262776 U CN 2009200262776U CN 200920026277 U CN200920026277 U CN 200920026277U CN 201442589 U CN201442589 U CN 201442589U
- Authority
- CN
- China
- Prior art keywords
- contact
- push rod
- depression bar
- tube
- ratchet stop
- 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 - Lifetime
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to a shock-proof continuous-measuring shift contactor, which mainly solves the problems of the shift contactor for the railway parting electric point mechanism that the shockproof performance is poor and the continuous measurement cannot be performed, and is characterized in that a fixed seat is provided with a carrier flat plate; two contact insulations of a microswitch are fixed on the carrier flat plate; the fixed end of an electrically-conductive leaf spring is fixedly connected with one contact; the middle part of the electrically-conductive leaf spring is provided with a movable contact which is matched with the other contact, the press connection and separation of the movable contact and the contact are controlled by a press rod which is arranged above the springing end of the electrically-conductive leaf spring; the press rod is arranged inside a press rod sleeve in a sliding way, the bottom part is connected with the fixed end of a pallet stop card, and the springing end of the pallet stop card is connected with a bayonet on the press rod sleeve; the upper part of a mandril is matched with an upper adjusting cylinder through threads; a pallet stop card control mechanism is arranged between the upper adjusting cylinder and the pallet stop card; the lower part passes through a lower adjusting cylinder, and a mandril downward-shift spring is arranged between the mandril and the lower adjusting cylinder; and a current vortex displacement sensor is also arranged inside a shell. The shock-proof continuous-measuring shift contactor has stable performance, resists the shock, can continuously measure and report the displacement and can realize the pre-alarming function.
Description
Technical field
The utility model relates to the displacement contactless switch that a kind of railway switch electric switch machine uses, and particularly a kind of stable performance is shatter-proof, can observe and predict, have the displacement contactless switch of warning function continuously to being shifted.
Background technology
The main effect of displacement contactless switch is: when taking place to squeeze trouble, the dissectible pin of electric switch machine is squeezed off, and the relative tooth bar piece of throw rod produces displacement, and the perpendicular push rod of jack-up displacement contactless switch cuts off indication circuit, provides alarm message.Existing displacement contactless switch is made up of the push rod regulating mechanism of bottom and the reed-type micro-switch on top.The push rod regulating mechanism is used for regulating between contact lower end and the tooth bar push rod and keeps predetermined gap, and then in order to produce displacement when throw rod with respect to tooth bar, when push rod was put in place by the top, contact heel from break, was cut off the switch machine indication circuit by bullet to micro-switch.
Practice shows that existing displacement contactless switch has following design defect:
1. the contact heel of micro-switch is when the intermediate equilibria position, and not upspringing does not fall yet, and forms the dead point.When contact pressure descended, the dead point stroke will strengthen, and made moving contact be easy to stop at midway location, influenced traffic safety.
2. reed-type micro-switch shell fragment elastic force is too small, and contact pressure is 0.68～1N (the iron mark is defined as 0.68N) only, and often when the higher vibrations of train speed were big, shell fragment was upspring easily, formed flase alarm.
3. long-term use, shell fragment elastic force descends easily, and contact can't guarantee enough pressure.
4. deformation during normal use can take place in dissectible pin gradually, up to cut-out.Before cutting off, dissectible pin can't carry out early warning.Increase warning function, it is necessary changing the dissectible pin that is about to cut off in good time.
At above design defect, some new displacement contactless switch patent has provided some new machine designs in recent years, has normal, early warning, cut-out third gear presentation function, and stablizes antidetonation.If except that above-mentioned functions, the displacement contactless switch can also measure and quote the data that push rod rises with dissectible pin deformation at any time continuously, to the dissectible pin of changing distortion in good time, effectively to reach the early warning purpose will be very favorable.
The utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of shock resistant continuous measurement type shift contactor, and its stable performance is shatter-proof, can observe and predict continuously being shifted and can reach warning function.
The technical solution of the utility model is: a kind of shock resistant continuous measurement type shift contactor comprises shell, permanent seat, push rod, micro-switch; Housing is provided with two indication circuit binding posts; Establish the carrier flat board that a relative fixed seat can move up and down above the described permanent seat; Described micro-switch comprises the electroconductive elastic sheet of two contacts, a strong elastic; Two contacts of micro-switch are installed on the carrier flat board by bench insulator, and two contacts are electrically connected with two indication circuit binding posts respectively; A contact of the fixed end of electroconductive elastic sheet and micro-switch is fixed together; Electroconductive elastic sheet middle part is provided with the moving contact that cooperates with another contact, the crimping of this contact and moving contact and bullet from by above the springing end that is arranged on electroconductive elastic sheet and control with electroconductive elastic sheet non-conductive depression bar; Depression bar slides and is positioned at a fixing depression bar sleeve, and the depression bar bottom connects the fixed end of a rubber-like ratchet stop, the springing end of ratchet stop and the bayonet socket activity clamping that is arranged on the depression bar sleeve; Described push rod top is by screw thread fit one adjusted tube, the adjusted tube extend shell and with the shell bearing fit; Be provided with the springing end that can drive the ratchet stop between adjusted tube and the ratchet stop and make it the ratchet stop control mechanism that breaks away from the bayonet socket of depression bar sleeve; The push rod bottom is passed to regulate tube and be provided with push rod between the two and is moved down spring; The eddy current displacement sensor that one energy continuous quantity location moves also is set in the shell, and the external wire of eddy current displacement sensor is drawn shell.
As further technical scheme of the present utility model:
In this shock resistant continuous measurement type shift contactor, the described top of regulating down tube is slidingly mounted on the permanent seat, and the top is affixed with the carrier flat board, and a following bottom of regulating tin is positioned at below the permanent seat, and and permanent seat between be provided with integral body and move down spring.
In this shock resistant continuous measurement type shift contactor, described eddy current displacement sensor comprises current vortex signal circuit board and current vortex Target Board; The U-shaped stiff sheet of current vortex Target Board for making with the high conductivity low magnetic permeability material, direct or indirect is fixed on the adjusted tube; The current vortex signal circuit board is parallel to be placed in the middle of the U-shaped of current vortex Target Board, and is packed on the carrier flat board.
Further:
In this shock resistant continuous measurement type shift contactor, described carrier flat board is provided with one can limit the bracket that the adjusted tube rotates, the bottom bearing fit of this bracket and described adjusted tube.
In this shock resistant continuous measurement type shift contactor, described ratchet stop control mechanism comprises a back-shaped top flat, the fixed end of back-shaped top flat and carrier are dull and stereotyped directly or indirectly fixing, the movable end corresponding matching of the movable end of back-shaped top flat and ratchet stop, a side of back-shaped top flat is provided with a del projection; One side of adjusted tube is provided with one can make the movable end of back-shaped top flat further promote the triangle rigid projection that ratchet stop movable end breaks away from depression bar sleeve bayonet socket gradually with moving the del projection that promotes back-shaped top flat on the push rod.
In this shock resistant continuous measurement type shift contactor, between its fixed end and middle part moving contact, bend to arc on the described electroconductive elastic sheet near the part of fixed end.
In this shock resistant continuous measurement type shift contactor, near its top end screw thread fit one lock nut, this lock nut is positioned at the top of adjusted tube on the described push rod.
The beneficial effects of the utility model are:
1. because the micro-switch of strong elastic has been installed the very strong ratchet stop of earthquake-proof function, solved there is flase alarm in conventional displacement contactless switch when the higher vibrations of train speed are big problem.
2. owing to installed eddy current displacement sensor additional, can observe and predict the amount of moving on the push rod continuously, provide reliable early warning, shift certificate on the push rod is provided, allow the attendant understand dissectible pin distortion situation, be convenient in good time processing.
3. the strong elastic micro-switch of eddy current displacement sensor and band ratchet stop has improved anti-seismic performance for the break-make of indication circuit provides double insurance.
Description of drawings
To be the utility model at dissectible pin normal and the structural representation during early warning for accompanying drawing 1,
Accompanying drawing 2 is the utility model structural representations when dissectible pin cuts off warning.
Among the figure: 1 plastic insulation pad, 2 indication circuits, first binding post, 3 current vortex Target Board permanent seats, 4 adjusted tubes, 5 lock nut, 6 push rods, 7 triangle rigid projection, 8 back-shaped top flats, 9 depression bars, 10 depression bar sleeves, 11 ratchet stops, 12 level attitude fixed frames, 13 indication circuits, second binding post, 14 inverted U-shaped fixed blocks, 15 electroconductive elastic sheets, 16 shells, 17 bench insulators, 18 carrier flat boards, 19 permanent seats, 20 brackets, 21 first integral body move down spring, regulate tube, 23 tooth bars, 24 tooth bar piece push rods 22 times, 25 contacts, 26 second integral body move down spring, and 27 push rods move down spring, 28 plastic insulation pads, 29 external wires, 31 current vortex signal circuit boards, 32 current vortex Target Boards, 34 first welding joints, 35 second welding joints, 36 first contacts, 37 second contacts, 39 moving contacts.
The specific embodiment
As shown in Figure 1, this displacement contactless switch comprises permanent seat 19, shell 16, indication circuit first binding post 2, indication circuit second binding post 13, micro-switch, push rod 6, adjusted tube 4, regulates tube 22 and push rod down and move down that spring 27, first integral body move down spring 21, second integral body moves down spring 26, eddy current displacement sensor.
The bottom of shell 16 is screwed on permanent seat 19.Establish the carrier flat board 18 that a relative fixed seat can move up and down above the permanent seat 19.
Micro-switch comprises the electroconductive elastic sheet 15 of first contact 36, second contact 37, strong elastic.First contact 36, second contact 37 respectively by screw retention on bench insulator 17, bench insulator 17 is installed on the carrier flat board 18.Indication circuit first binding post 2 is installed on the shell 16 by plastic insulation pad 1, and links to each other with first welding joint 34, is electrically connected with first contact 36 of micro-switch by first welding joint 34.Indication circuit second binding post 13 is installed on the shell 16 by the plastic insulation pad equally, and links to each other with second welding joint 35, is electrically connected with second contact 37 of micro-switch by second welding joint 35.
The fixed end of electroconductive elastic sheet 15 is fixed on the bench insulator 17 by screw with second contact 37 of micro-switch.Electroconductive elastic sheet 15 middle parts are provided with the moving contact 39 that cooperates with first contact 36.Between the moving contact 39 at its fixed end and middle part, bend to arc on the electroconductive elastic sheet 15, strengthen elastic force, improve the electroconductive elastic sheet functional reliability near the part of fixed end.The crimping of second contact 37 and moving contact 39 and bullet from by the springing end top that is arranged on electroconductive elastic sheet 15 and with 9 controls of electroconductive elastic sheet non-conductive depression bar.Depression bar 9 slides and is positioned at depression bar sleeve 10, and depression bar sleeve 10 is fixed on above the carrier flat board 18 by inverted U-shaped fixed block 14.Depression bar 9 bottoms connect the fixed end of a rubber-like ratchet stop 11, the springing end of ratchet stop 11 and the bayonet socket activity clamping that is arranged on the depression bar sleeve 10.
Push rod 6 tops are by screw thread fit one adjusted tube 4, adjusted tube 4 extend shell 16 and with shell 16 bearing fits.Carrier flat board 18 is provided with one can limit the bracket 20 that adjusted tube 4 rotates, the bottom bearing fit of bracket 20 and adjusted tube 4.Be provided with the springing end that can drive the ratchet stop between adjusted tube 4 and the ratchet stop 11 and make it the ratchet stop control mechanism that breaks away from the bayonet socket of depression bar sleeve.
Ratchet stop control mechanism comprises a back-shaped top flat 8, and the fixed end of back-shaped top flat 8 is fixed on the level attitude fixed frame 12, and this level attitude fixed frame 12 is fixed on the depression bar sleeve 10.The fixed end of back-shaped like this top flat 8 is affixed with carrier flat board 18 indirectly by level attitude fixed frame 12, depression bar sleeve 10, inverted U-shaped fixed block 14.Adjusted tube 4 this level attitude fixed frame 12 relatively slides.The movable end corresponding matching of the movable end of back-shaped top flat 8 and ratchet stop 11, a side of back-shaped top flat 8 is provided with a del projection.One side of adjusted tube 4 is provided with a triangle rigid projection 7, this triangle rigid projection 7 can further promote ratchet stop 11 movable ends and break away from depression bar sleeve 10 bayonet sockets gradually with moving the movable end that the del projection that promotes back-shaped top flat 8 makes back-shaped top flat on the push rod 6.
Push rod 6 bottoms are passed down and are regulated tube 22.The following top of regulating tube 22 is slidingly mounted on the permanent seat 19, and the top is affixed with carrier flat board 18; The following bottom of regulating tube 22 is positioned at permanent seat 19 belows, and and permanent seat 19 between be provided with that first integral body moves down spring 21, second integral body moves down spring 26.Moving down spring 21, second integral body by first integral body moves down 26 times bullets of spring bottom surface and tooth bar 23 upper surfaces of regulating tube are close to.Be provided with push rod between push rod 6 and the following adjusting tube 22 and move down spring 27, this push rod moves down spring 27 can make the upper surface of contact 25 end faces of push rod bottom near tooth bar piece push rod 24.
Initial distance between contact 25 end faces and tooth bar piece push rod 24 upper surfaces can be adjusted.Push rod 6 flight leads are 0.8mm, contact 25 is transferred to behind the Contact Tooth stick push rod 24 back again falls a circle, and the adjusting initial distance is 0.8mm.Near its top end screw thread fit one lock nut 5, this lock nut 5 is positioned at the top of adjusted tube 4 on the push rod.At last under the motionless situation of control push rod 6, tighten lock nut 5, the relative position of locking push rod 6 and adjusted tube 4.
The eddy current displacement sensor that one energy continuous quantity location moves also is set in the shell 16, and eddy current displacement sensor comprises current vortex signal circuit board 31 and current vortex Target Board 32.The U-shaped stiff sheet of current vortex Target Board 32 for making with high conductivity low magnetic permeability material (as copper or aluminium etc.) is fixed on the adjusted tube 4 by current vortex Target Board permanent seat 3.Current vortex signal circuit board 31 is parallel to be placed in the middle of the U-shaped of current vortex Target Board 32, and is packed on the carrier flat board 18.The external wire 29 of current vortex signal circuit board is drawn shell 16, and plastic insulation pad 28 is set between external wire and the shell.
Under the normal circumstances, as shown in Figure 1, the springing end of elastic pawl stop 11 is stuck on the depression bar sleeve bayonet socket, and the movable end of back-shaped top flat 8 is pressing closer ratchet stop 11 jammed springing ends.Depression bar 9 positive lower ends have a circular projection to be pressed on the left-end point of powerful shell fragment 15, and moving contact 39 is pressed on the circular contact that links to each other with first contact 36, and formation contact first contact 36,37 conductings of second contact are the connection of indication circuit.
When trouble takes place to squeeze, as shown in Figure 2, tooth bar piece push rod 24 is squeezed into when moving 0.8mm, and tooth bar piece push rod 24 upper surfaces contact with contact 25 end faces, and apart from vanishing, push rod 6 beginnings are risen by the top.Because push rod 6 and adjusted tube 4 are by being threaded, up-and-down movement is synchronous, so along with the reinforcement of squeezing the trouble degree, adjusted tube 4 also moves on gradually, moves on synchronous with the affixed current vortex Target Board 32 of adjusted tube 4 and triangle rigid projection 7.
Current vortex Target Board 32 moves on moving synchronously on the push rod 6, just produced relative current vortex signal circuit board 31 synchronously on move.The current vortex signal that this synchronous shift causes outputs to by external wire 29 and is placed on the one-chip computer that makes things convenient for the position in the switch machine.One-chip computer according to the current vortex signal calculate and show size report safety, the early warning in good time of the amount of moving on the push rod 6, the break-make of control indication circuit and in good time provide alarm.
Triangle rigid projection 7 synchronously on move the del projection that can make progress and promote back-shaped top flat 8 to the right, promote the springing end of ratchet stop 11 again by the movable end of back-shaped top flat 8 thereupon.When the amount of moving reaches about 1.7-2.2mm (be equivalent to tooth bar piece push rod 24 squeezed into move about 2.5-3.0mm) on push rod 6, ratchet stop 11 springing ends are pushed tripping rod sleeve bayonet socket, depression bar 9 can be free to slide between the depression bar sleeve, just can be popped up by electroconductive elastic sheet 15, moving contact 39 bullets are from the circular contact that links to each other with first contact 36, first contact 36, second contact 37 that are micro-switch disconnect, and indication circuit opens circuit, and provides warning.
The utility model is not limited only to above-mentioned embodiment.
Claims (7)
1. a shock resistant continuous measurement type shift contactor comprises shell, permanent seat, push rod, micro-switch; Housing is provided with two indication circuit binding posts; It is characterized in that: establish the carrier flat board that a relative fixed seat can move up and down above the described permanent seat; Described micro-switch comprises the electroconductive elastic sheet of two contacts, a strong elastic; Two contacts of micro-switch are installed on the carrier flat board by bench insulator, and two contacts are electrically connected with two indication circuit binding posts respectively; A contact of the fixed end of electroconductive elastic sheet and micro-switch is fixed together; Electroconductive elastic sheet middle part is provided with the moving contact that cooperates with another contact, the crimping of this contact and moving contact and bullet from by above the springing end that is arranged on electroconductive elastic sheet and control with electroconductive elastic sheet non-conductive depression bar; Depression bar slides and is positioned at a fixing depression bar sleeve; The depression bar bottom connects the fixed end of a rubber-like ratchet stop, the springing end of ratchet stop and the bayonet socket activity clamping that is arranged on the depression bar sleeve; Described push rod top is by screw thread fit one adjusted tube, the adjusted tube extend shell and with the shell bearing fit; Be provided with the springing end that can drive the ratchet stop between adjusted tube and the ratchet stop and make it the ratchet stop control mechanism that breaks away from the bayonet socket of depression bar sleeve; The push rod bottom is passed to regulate tube and be provided with push rod between the two and is moved down spring; The eddy current displacement sensor that one energy continuous quantity location moves also is set in the shell, and the external wire of eddy current displacement sensor is drawn shell.
2. a kind of shock resistant continuous measurement type shift contactor according to claim 1, it is characterized in that: the described top of regulating tube down is slidingly mounted on the permanent seat, and top and carrier flat board are affixed, the following bottom of regulating tube is positioned at the permanent seat below, and and permanent seat between be provided with integral body and move down spring.
3. a kind of shock resistant continuous measurement type shift contactor according to claim 1 and 2 is characterized in that: described eddy current displacement sensor comprises current vortex signal circuit board and current vortex Target Board; The U-shaped stiff sheet of current vortex Target Board for making with the high conductivity low magnetic permeability material, direct or indirect is fixed on the adjusted tube; The current vortex signal circuit board is parallel to be placed in the middle of the U-shaped of current vortex Target Board, and is packed on the carrier flat board.
4. a kind of shock resistant continuous measurement type shift contactor according to claim 3 is characterized in that: described carrier flat board is provided with one can limit the bracket that the adjusted tube rotates, the bottom bearing fit of this bracket and described adjusted tube.
5. a kind of shock resistant continuous measurement type shift contactor according to claim 1, it is characterized in that: described ratchet stop control mechanism comprises a back-shaped top flat, the fixed end of back-shaped top flat and carrier are dull and stereotyped directly or indirectly fixing, the movable end corresponding matching of the movable end of back-shaped top flat and ratchet stop, a side of back-shaped top flat is provided with a del projection; One side of adjusted tube is provided with one can make the movable end of back-shaped top flat further promote the triangle rigid projection that ratchet stop movable end breaks away from depression bar sleeve bayonet socket gradually with moving the del projection that promotes back-shaped top flat on the push rod.
6. a kind of shock resistant continuous measurement type shift contactor according to claim 1 is characterized in that: bend to arc near the part of fixed end on the described electroconductive elastic sheet between its fixed end and middle part moving contact.
7. a kind of shock resistant continuous measurement type shift contactor according to claim 1 is characterized in that: near its top end screw thread fit one lock nut, this lock nut is positioned at the top of adjusted tube on the described push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200262776U CN201442589U (en) | 2009-05-25 | 2009-05-25 | Shock-proof continuous-measuring shift contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200262776U CN201442589U (en) | 2009-05-25 | 2009-05-25 | Shock-proof continuous-measuring shift contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201442589U true CN201442589U (en) | 2010-04-28 |
Family
ID=42547265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200262776U Expired - Lifetime CN201442589U (en) | 2009-05-25 | 2009-05-25 | Shock-proof continuous-measuring shift contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201442589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU184601U1 (en) * | 2018-03-13 | 2018-10-31 | Общество с ограниченной ответственностью "Информационные технологии" (ООО "ИнфоТех") | CONTACTOR OF MODULAR TYPE FOR MODERNIZATION OF ARROW ELECTRIC DRIVE OF THE JV SERIES |
-
2009
- 2009-05-25 CN CN2009200262776U patent/CN201442589U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU184601U1 (en) * | 2018-03-13 | 2018-10-31 | Общество с ограниченной ответственностью "Информационные технологии" (ООО "ИнфоТех") | CONTACTOR OF MODULAR TYPE FOR MODERNIZATION OF ARROW ELECTRIC DRIVE OF THE JV SERIES |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101559778B (en) | Shock resistant continuous measurement type shift contactor | |
| CN201442589U (en) | Shock-proof continuous-measuring shift contactor | |
| CN110270948A (en) | Fixture is used in a kind of production of electromagnetic gripping new electronic component | |
| CN202373525U (en) | Contact structure of double-breakpoint and low-voltage contactor adopting flexible connection device | |
| CN106373833A (en) | Electric leakage circuit breaker capable of being positively and reversely wired | |
| CN102522266A (en) | Double-breakpoint contactor contact structure adopting flexible coupling device | |
| CN203205298U (en) | Double signal-generating press key structure | |
| CN208781782U (en) | A kind of relay load on off mechanism | |
| CN202332741U (en) | Sliding contact structure realizing automatic adjustment on pressure of contact for low-pressure contactor | |
| CN102522267A (en) | Low pressure contactor sliding contact structure employing contact pressure automatic adjustment | |
| CN206594287U (en) | A kind of Upper electrical terminal and the electrifying device using the Upper electrical terminal | |
| CN207338717U (en) | Conducting terminal | |
| CN203562357U (en) | Reed-type four-way microswitch | |
| CN201130748Y (en) | Resilient socket | |
| CN104332873B (en) | Drawer holder of automatic transfer switch equipment | |
| CN203931955U (en) | A kind of movable contact bridge and apply the contactor of this movable contact bridge | |
| CN201009904Y (en) | Deformation contactor | |
| CN104143477B (en) | A kind of dynamic contactor touching bridge and apply this dynamic tactile bridge | |
| CN106653491A (en) | Auxiliary contact device for high-voltage DC relay | |
| CN206742117U (en) | A kind of plastic button switch | |
| CN218534777U (en) | Positioning assembly of book cutting equipment | |
| CN206401240U (en) | The mechanism loading of relay | |
| CN103617914A (en) | Reed type four-way inching switch | |
| CN203232814U (en) | Moving contact of trigger switch | |
| CN203198980U (en) | Displacement contactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Shock resistant continuous measurement type shift contactor Effective date of registration: 20111102 Granted publication date: 20100428 Pledgee: Shandong Yongxin investment Company limited by guarantee Pledgor: Ji'nan railway Tianlong high & New Technology Development Co., Ltd.|Chen Yuqing Registration number: 2011990000412 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100428 Effective date of abandoning: 20090525 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120528 Granted publication date: 20100428 Pledgee: Shandong Yongxin investment Company limited by guarantee Pledgor: Ji'nan railway Tianlong high & New Technology Development Co., Ltd.|Chen Yuqing Registration number: 2011990000412 |