CN202847740U - Squeezable type point switch - Google Patents
Squeezable type point switch Download PDFInfo
- Publication number
- CN202847740U CN202847740U CN 201220316920 CN201220316920U CN202847740U CN 202847740 U CN202847740 U CN 202847740U CN 201220316920 CN201220316920 CN 201220316920 CN 201220316920 U CN201220316920 U CN 201220316920U CN 202847740 U CN202847740 U CN 202847740U
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- CN
- China
- Prior art keywords
- mounting hole
- squeezes
- switch machine
- throw rod
- dissectible pin
- 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
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Abstract
The utility model relates to a squeezable type point switch. An operating rod and a rack piece are provided with novel structures and scientific and reasonable use of original components and parts space in connection type. A dissectible pin not only can be averted to receive impact force in process of the normal use and but also can be averted to transmit the wrong working signals in the working process. At the same time, the dissectible pin can be reasonable to play a leading role. The use of the point switch enables the endurable initiating force of the squeezing structure being squeezed in initial stage to be greater and the endurable force in later stage to be smaller. The squeezable type point switch not only solves the problem that the dissectible pin receives overlarge impact force in process of the normal use, avoids the fatigue process, and effectively prolongs the service time of the dissectible pin, but also avoids and decreases the mutual resultant force.
Description
Technical field
The utility model belongs to the railway equipment technical field, is specifically related to a kind of type switch machine that squeezes.
Background technology
The squeezed type switch machine of present domestic use, tooth bar piece in throw rod and its interlock is provided with mounting hole, in mounting hole, be respectively arranged with to squeeze cutting apparatus and can provide and squeeze the exceed standard indicating device of signal of shear force, squeeze cutting apparatus and can be divided into two kinds of dissectible pin formula and trailables by its principle of work.Wherein the dissectible pin formula is to calculate required dissectible pin diameter according to the size that the track switch that allows is squeezed shear force, when crowded shear force during greater than permissible value, dissectible pin is cut off, switch machine provides expression, its shortcoming is when switch machine works, and dissectible pin is in strained condition all the time, is easy to produce tired so that fracture, occuring not squeeze the phenomenon of autotomying and cause the mistake demonstration, is a hidden danger in the train traffic safety.
Granted publication number all is the inclined-planes that take off post and the contacted V-type groove of throw rod by squeezing for the utility model patent of CN2609812Y, Granted publication number for disclosed switch machine in the utility model patent of CN2905579Y, the component that produces a vertical direction acts on and squeezes on the dish spring that takes off in the post, when this power during greater than the elastic force of dish spring, squeeze and to take off post and rise along lining, simultaneously throw rod parallel motion left; When squeezing when taking off post and rising to certain altitude, throw rod breaks away from crowded restriction of taking off post, vertically translation, on the crowded cutting apparatus of horizontal force action in a side mounting hole, throw rod and dissectible pin Cylindrical Surfaces Contact make dissectible pin sheared by horizontal force, and the push rod in the indicating device is by jack-up simultaneously, the upper end of push rod is the contact of the contact of the jack-up side of being located thereon again, provides signal.Said structure can so that switch machine throw rod when normal working can not contact with dissectible pin, thereby avoided the long-term stressed fatigue of dissectible pin and fracture.But above structure can cause dissectible pin in the early stage of being squeezed, and form to squeeze to take off the power inequality, cause the in the course of the work error propagation of signal, causes receiving wrong working signal, dissectible pin and is the auxiliary bad phenomenon such as arrange.Therefore, the urgent need design is a kind of has the connection mode of novel structure to solve above-mentioned major issue.
Summary of the invention
The purpose of this utility model is to provide a kind of type switch machine that squeezes, its throw rod and tooth bar piece have novel structure, scientific and reasonable original parts space that utilizes in connection mode, can either avoid dissectible pin suffered impulsive force in normal use procedure, can avoid again the in the course of the work transmission of misoperation signal, simultaneously also reasonably bring into play dissectible pin on the leading role, really solved the problem that fracture by fatigue easily occurs dissectible pin at work, can work for a long time to guarantee it.
For solving the problems of the technologies described above, concrete technical scheme of the present utility model is as follows:
A kind of type switch machine that squeezes comprises throw rod and tooth bar piece, and wherein throw rod is provided with two mounting holes: the first mounting hole, the second mounting hole, respectively original two connecting bores on coupling and the tooth bar piece.
Wherein arrange in the first mounting hole to squeeze and take off device, this squeezes and takes off connecting device, the dish spring that device comprises guidepost, squeezes out of stock, connection teeth stick and throw rod, out of stock tooth bar piece and throw rod is linked together by squeezing.
Wherein the connecting device of connection teeth stick and throw rod can be ball or roller; The diameter of ball or roller can be determined according to actual needs, can be 7mm-10mm, preferred 8mm.
Wherein guidepost is cylinder.Its upper end is complementary with the lower end of ball or roller, and the lower end acts on the dish spring combination of appropriateness.
Wherein squeeze out of stock being arranged on the tooth bar piece, be fixed on certain position by bullet pad and screw plug; Squeeze the circular hole at out of stock middle part, lower end or the diameter of elongated cylindrical groove and described ball or roller and be complementary, adapt to certain connection angle.
Wherein dish spring lid and throw rod dish spring hole coupling are fixed on the throw rod by two bolts.Guarantee that guidepost, dish spring on the throw rod relevant position, form certain precompressed compression.The circular hole at its middle part or slotted hole and ball, the appropriate free-running fit of roller, that satisfies throw rod and tooth bar piece effectively is connected and squeezes and take off directional tagging.
Like this, the ball by being fixed on the connecting device on the crowded out of stock and throw rod on the tooth bar piece or roller action form being rigidly connected in the certain effect power scope on the dish spring.
Wherein be provided with dissectible pin in the second mounting hole, this dissectible pin formula is squeezed cutting apparatus and is comprised main dissectible pin, bullet pad and screw plug, and the top of main dissectible pin is fixed in the tooth bar piece, and the bottom is stretched in the second mounting hole of throw rod.The diameter of throw rod the second mounting hole forms certain space greater than dissectible pin diameter 1-2mm, has both avoided the damage of external shock power, has avoided again the cumulative with joint efforts of two holes.
Wherein original warning device still keeps the 2.5-3mm warning function.
Novel switch machine structure can be applicable to the ZD6 type series switch machine that uses at present in the utility model, has the advantages such as better function, scientific structure, replacing be convenient.After the dish spring of throw rod was installed, in the specific equipment enterprising enforcement time spent, it squeezed and takes off the power scope control between thousand Ns of 12-20; Main dissectible pin can bear shearing force and still is 3T.In the working process, the external masterpiece of its track switch is all absorbed by the dish spring when being used for throw rod, has avoided the dissectible pin fatigue process, can effectively prolong the service life of dissectible pin; Still can keep simultaneously the original 3T of dissectible pin to squeeze and cut performance.
Compared with prior art, the utlity model has following advantage:
1, adopted novel ball or roller connecting device between tooth bar piece and throw rod, scientific structure, replacing are conveniently;
2, its packaging technology gives to guarantee designing requirement, and parts all can be installed at the scene, need not debugging and verification;
3, avoid fatigue process, can effectively prolong the service life of dissectible pin.
4, similar to now common switch machine contour structures, the crowded cutting apparatus in the utility model can be directly used in existing switch machine is transformed, should use very convenient.
Description of drawings
Fig. 1: the cross-sectional view of switch machine in the utility model;
Fig. 2-1: the throw rod cross-sectional view of switch machine in the utility model;
Fig. 2-2: the throw rod plan structure schematic diagram of switch machine in the utility model;
Fig. 3-1: the guidepost cross-sectional view of switch machine in the utility model;
Fig. 3-2: the guidepost plan structure schematic diagram of switch machine in the utility model;
Fig. 4-1: structural representation is looked up in the crowded connecting pin bottom of taking off of switch machine in the utility model;
Fig. 4-2: the crowded connecting pin cross-sectional view of taking off of switch machine in the utility model;
Fig. 5-1: the dish spring of switch machine lid plan structure schematic diagram in the utility model.
Fig. 5-2: the dish spring of switch machine lid cross-sectional view in the utility model.
Description of reference numerals is as follows:
1-post tail bolt; 2-throw rod; 3-tooth bar piece; 4-screw plug; 5-squeeze and take off connecting pin; 6-bullet pad; 7-push rod; 8-dish spring; The 9-ball; 10-main dissectible pin; 11-bolt; 12-bullet pad; 13-dish spring; 14-guidepost.
The specific embodiment
Embodiment 1:
Referring to Fig. 1, comprise throw rod and tooth bar piece in the switch machine in the utility model, wherein be provided with 2 mounting holes (referring to Fig. 2-1,2-2) on throw rod and the tooth bar piece.
Wherein the first mounting hole site is in the left side, and its inside is provided with to squeeze takes off device, and this squeezes and takes off connecting device, the dish spring that device comprises guidepost, squeezes out of stock, connection teeth stick and throw rod, and wherein the connecting device of connection teeth stick and throw rod is ball.
By Fig. 3-1,3-2 as can be known, wherein guidepost is cylinder.Its upper end is complementary with the lower end of ball or roller, and the lower end acts on the dish spring combination of appropriateness.
By Fig. 4-1,4-2 as can be known, wherein squeeze out of stock being arranged on the tooth bar piece, be fixed on certain position by bullet pad and screw plug; Squeeze out of stock lower end middle part circular hole and the diameter of described ball and be complementary, adapt to certain connection angle.
By Fig. 5-1,5-2 as can be known, wherein dish spring lid and throw rod dish spring hole coupling are fixed on the throw rod by two bolts, guarantee that guidepost, dish spring on the throw rod relevant position, form certain precompressed compression.The appropriate free-running fit of the circular hole at its middle part or slotted hole and ball, that satisfies throw rod and tooth bar piece effectively is connected and squeezes and take off directional tagging.
Wherein be provided with dissectible pin in the second mounting hole, this dissectible pin formula is squeezed cutting apparatus and is comprised main dissectible pin, bullet pad and screw plug, and the top of main dissectible pin is fixed in the tooth bar piece, and the bottom is stretched in the second mounting hole of throw rod.The diameter of throw rod the second mounting hole forms certain space greater than dissectible pin diameter 1-2mm, has both avoided the damage of external shock power, has avoided again the cumulative with joint efforts of two holes.
Embodiment 2:
Connecting device between connection teeth stick and the throw rod is replaced by roller, and other structure is identical with embodiment 1.
Embodiment 3:
Squeeze the first mounting hole that takes off device and the second position of mounting hole transposing that is provided with the crowded cutting apparatus of dissectible pin formula with being provided with, namely be provided with and squeeze the right side that the first mounting hole that takes off device is opened in the second mounting hole that is provided with the crowded cutting apparatus of dissectible pin formula, other structure is identical with embodiment 1.
Embodiment 4:
Be set to equally the crowded device that takes off with being provided with crowded the first mounting hole that takes off device with the second position of mounting hole that is provided with the crowded cutting apparatus of dissectible pin formula, namely be arranged to two mounting holes and be the crowded device that takes off, its structure is identical with structure among the embodiment 1, makes a concerted effort to be adjusted into the crowded power of taking off of 3T.The cancellation dissectible pin.
The working process of switch machine is in the utility model:
When needs switch machine traction track switch, the active force that comes from the switch machine motor is passed on the tooth bar piece, and the tooth bar piece takes off assembly and this power is delivered on the throw rod motion of throw rod switch with follow up movement by squeezing again.Occur when squeezing the trouble phenomenon, perhaps track switch acts on power increase on the throw rod and reaches to squeeze and take off the power scope when reaching between thousand Ns of the 12-20, the compressed distortion of dish spring, and this moment, guidepost rose, the throw rod generating horizontal displacement; When the deflection of dish spring increases, the tooth bar piece can and throw rod between ball or the circular groove cambered surface of roller and guidepost head of a nail upper end come in contact, produce larger horizontal shear force, ball or roller can descend along cambered surface, when dropping to certain altitude, horizontal force diminishes, throw rod and the displacement of tooth bar piece; At this moment, the cylinder of main dissectible pin lower end and the joint, mounting hole side on the throw rod, the power that comes from track switch almost all acts on the main dissectible pin by throw rod, forms the shearing to main dissectible pin; Meanwhile, and when the suffered shearing force of main dissectible pin during greater than its shear strength (3T), main dissectible pin is cut off; When the displacement of throw rod and tooth bar piece reaches 2.5 millimeters, the push rod that taper hole in throw rod the 3rd mounting hole will embed wherein holds up, the head of push rod again jack-up is installed in the contact of the deformation contactor on the switch machine wall box, so provide alerting signal by circuit.Because at the initial stage that track switch is squeezed, make and squeeze that to take off the starting force that structure bears at the initial stage that track switch is squeezed larger, and suffered power of later stage is less, both solved dissectible pin suffered excessive problem of impulsive force in normal use procedure, avoid fatigue process, effectively prolonged the service life of dissectible pin.Avoid again and reduced making a concerted effort each other.
Claims (9)
1. one kind can be squeezed the type switch machine, comprises throw rod and tooth bar piece, and wherein throw rod is provided with two mounting holes: the first mounting hole, the second mounting hole; It is characterized in that,
Trailable is set in described the first mounting hole squeezes cutting apparatus, described squeezing taken off connecting device, the dish spring that device comprises guidepost, squeezes out of stock, connection teeth stick and throw rod, and wherein the connecting device of connection teeth stick and throw rod is ball or roller;
Described guidepost is cylinder, adaptations that be complementary of the lower end of its upper end and ball or roller, and the dish spring that the lower end acts on appropriateness makes up;
Described crowded out of stock being arranged on the tooth bar piece is fixed on certain position by bullet pad and screw plug; Squeeze out of stock lower end middle part circular hole or the diameter of elongated cylindrical groove and described ball or roller and be complementary, adapt to certain connection angle;
Described dish spring combination is positioned at the guidepost lower end;
Be provided with the dissectible pin formula in described the second mounting hole and squeeze cutting apparatus, this dissectible pin formula is squeezed cutting apparatus and is comprised main dissectible pin, bullet pad and screw plug, and the top of main dissectible pin is embedded in the tooth bar piece, and the bottom is stretched in the second mounting hole of throw rod.
2. a kind of type switch machine that squeezes according to claim 1 is characterized in that, the diameter of described ball or roller can be determined according to actual needs, be generally 7mm-10mm.
3. a kind of type switch machine that squeezes according to claim 2 is characterized in that, the diameter of described ball or roller is 8mm.
4. a kind of type switch machine that squeezes according to claim 1 is characterized in that, in the second mounting hole, described main dissectible pin stretches into the interior diameter of the second mounting hole greater than dissectible pin diameter 1-2mm.
5. a kind of type switch machine that squeezes according to claim 1, it is characterized in that, dish spring lid and throw rod dish spring hole coupling, be fixed on the throw rod by two bolts, guarantee that guidepost, dish spring are on the throw rod relevant position, form certain precompressed compression, the appropriate free-running fit of the circular hole at its middle part or slotted hole and ball or roller, that satisfies throw rod and tooth bar piece effectively is connected and squeezes and take off directional tagging.
6. a kind of type switch machine that squeezes according to claim 1, the position of the first mounting hole and the second mounting hole can exchange.
7. a kind of type switch machine that squeezes according to claim 1, the first mounting hole or the second mounting hole are all installed to squeeze and are taken off device, and cancellation is main squeezes cutting, squeezes the crowded power of taking off that device makes a concerted effort to guarantee 3T of taking off by two.
8. each described a kind of type switch machine that squeezes of claim 1-7 is applied to purposes on the ZD6 series switch machine.
9. purposes according to claim 8 is characterized in that, it directly applies on the novel ZD6 series switch machine, perhaps is applied on the old type ZD6 series switch machine it be transformed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220316920 CN202847740U (en) | 2012-07-03 | 2012-07-03 | Squeezable type point switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220316920 CN202847740U (en) | 2012-07-03 | 2012-07-03 | Squeezable type point switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202847740U true CN202847740U (en) | 2013-04-03 |
Family
ID=47978967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220316920 Expired - Lifetime CN202847740U (en) | 2012-07-03 | 2012-07-03 | Squeezable type point switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202847740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700568A (en) * | 2012-07-03 | 2012-10-03 | 姜旭 | Dissectible type switch machine |
-
2012
- 2012-07-03 CN CN 201220316920 patent/CN202847740U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700568A (en) * | 2012-07-03 | 2012-10-03 | 姜旭 | Dissectible type switch machine |
| CN102700568B (en) * | 2012-07-03 | 2016-03-16 | 青岛文创科技有限公司 | One can squeeze type switch machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |