CN103934803A - Limiting block, tension spring installation device, tension spring installation device using method, tension spring installation method and application of tension spring installation method - Google Patents
Limiting block, tension spring installation device, tension spring installation device using method, tension spring installation method and application of tension spring installation method Download PDFInfo
- Publication number
- CN103934803A CN103934803A CN201410140301.4A CN201410140301A CN103934803A CN 103934803 A CN103934803 A CN 103934803A CN 201410140301 A CN201410140301 A CN 201410140301A CN 103934803 A CN103934803 A CN 103934803A
- Authority
- CN
- China
- Prior art keywords
- extension spring
- tension spring
- spring installation
- limited block
- limiting section
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000009434 installation Methods 0.000 title claims abstract description 49
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
- B25B27/302—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs coil springs other than torsion coil springs
- B25B27/306—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs coil springs other than torsion coil springs by tensioning coil springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The invention relates to a tension spring installation method, a limiting block needed by the tension spring installation method, a preferable tension spring installation device and a preferable tension spring installation device using method based on the tension spring installation method and the limiting block, and the application of the tension spring installation method. The limiting block comprises a force bearing body and limiting portions, wherein the force bearing body is matched with the length of the tensed tension spring, and the limiting portions are arranged at the two ends of the force bearing body and used for keeping the state of the tensed tension spring. According to the tension spring installation method, the tension spring is tensed at first and kept in the state, in other words, the tension spring is installed in the static state, the limiting block which keeps the tensed state of the tension spring and the tension spring are installed at the position, and then the limiting block is disassembled. The tension spring installation device comprises a tension tensing device and the limiting block. When the tension spring installation device is used, one end of the tension spring is fixed, and the other end of the tension spring is hung on a movable column of a rotary body to be tensed. According to the technical scheme, the limiting block, the tension spring installation device, the tension spring installation device using method, the tension spring installation method and the application of the tension spring installation method are universal, convenient and fast to use, low in cost, safe, effective for tension spring installation. The tension spring installation method is suitable for all occasions in which tension springs need to be kept in the tensed state to be installed, and the tension spring problem exiting in the prior art for a long time is solved.
Description
Technical field
The present invention relates to a kind of installation method of extension spring, the necessary limited block of this installation method, also relates to the tension spring mounting device and the using method that adopt this limited block, and also relates to the application of method.
Background technology
Extension spring, is also named stretching extension spring, refers to be mainly used to bear the spiral tension spring of axial tension, conventionally, in order to ensure the pulling force source of extension spring, often directly forms hook or is fixedly connected with link plate at the two ends of extension spring, thereby be applied to various occasions at the two ends of extension spring.
Common extension spring, when non-loaded, the circle of extension spring is also tight often with circle, and gap is very little even very close to each other, and simple installs very trouble by manpower.Be understandable that, on the one hand, for the extension spring of small dimension, people still select the rough power of simple dependence to install conventionally, can operating space common also less due to compared with the extension spring of small dimension, after installing one end of extension spring, the other end just need to rely on the master tool such as bottle opener, pliers, by virtue of experience goes to install by people's application of force, wastes time and energy undoubtedly, and have certain potential safety hazard, usually because maloperation bumps to human body, on the other hand, for the extension spring of larger specification, because its rated load has exceeded a people's normal strength scope conventionally, relying on people to apply pulling force installs also unrealistic, need special tension spring mounting device, but among reality, there is such problem, conventionally its structure of the tension spring mounting device designing is comparatively complicated, use operation also to have this certain inconvenience, in prior art in this special extension spring mounting technique comparatively outstanding representative as China Patent Publication No. be the patent of invention of CN 101304165 A, a kind of automatic unloading device of closed extension spring is disclosed, the automatic unloading device structure of this closed extension spring is comparatively complicated, method of operating is also comparatively loaded down with trivial details, cost of manufacture is also higher, the automatic unloading device of this closed extension spring simultaneously can not be applicable to the extension spring of described occasion and install, adaptability is poor.
In view of all drawbacks that exist are installed in extension spring in prior art, this drawback is owing to being subject to the restriction of industry development, enterprise is for the consideration of cost and thinking little of of industry technology personnel self, all the time do not give abundant concern, therefore up to now, for the installation of extension spring all the time neither one general, easily, the low and safe effective technology of cost, solve better the installation of extension spring.
Summary of the invention
Concept:
Based on examining for a long time and deeply thinking extension spring mounting technique in prior art, the extension spring mounting technique existing in prior art is classified as dynamic installation by the present invention, be that extension spring is in the process of installing, all the time in a unsure state, artificial installation for a long time and adopt the installation process of special sectional fixture there's no one who doesn't or isn't like this.Based on this thought, the present invention provides a kind of static thinking of installing relatively,, in installation process, remains that extension spring is in stable extended state.
Dynamically install: the extension spring mounting technique existing in prior art is classified as dynamic installation by the present invention, be that extension spring is in the process of installing, all the time in a unsure state, the installation process of the special sectional fixture existing in artificial installation for a long time and employing prior art is there's no one who doesn't or isn't like this.
Static installation: extension spring keeps the installation process of stable extended state.
Definition:
Radial projection: the end of extension spring exists the jut stretching out outside spring-pulling ring.
Extension spring kind of the prior art is divided into:
Without the extension spring of wing formula: i.e. the two ends of extension spring do not have radial projection or only have one end to have radial projection.Wherein can be divided into again without the extension spring of the wing formula extension spring that has link plate; Do not contain the extension spring of link plate.
There is the extension spring of wing formula: the two ends of extension spring are respectively equipped with radial projection.The existence of this radial projection normally due to the two ends of extension spring installed external diameter be greater than extension spring diameter link plate or band be set protrude out the link plate of the projection outside spring-pulling ring at the two ends of extension spring.
Therefore the invention provides a kind of extension spring installation method and the necessary limited block of this installation method, it can install extension spring easily, simultaneously with low cost, and highly versatile is safe.
Limited block, comprise with stretch after the load main body that adapts of extension spring length, be arranged on described load main body two ends for the limiting section of extension spring state after keeping stretching.
Further, consider many version of extension spring, the many version in the present invention extension spring being existed is further divided into without the wing and has the extension spring of wing formula.Being defined as without the extension spring of wing formula is that the two ends of extension spring do not have radial projection or only have one end to have radial projection, and the two ends that have the extension spring of wing formula to be defined as extension spring are respectively equipped with radial projection.The existence of this radial projection is normally because the two ends of extension spring have been installed external diameter and have been greater than the diameter of extension spring or band is set at the two ends of extension spring the link plate that protrudes out the projection outside spring-pulling ring.For without the extension spring of wing formula, described limiting section directly acts on extension spring, described limiting section directly insert extension spring stretch after in the gap at two ends; For there being the extension spring of wing formula, described limiting section indirectly-acting is in extension spring, and the link plate being fixedly connected with radial projection is divided at the two ends of extension spring, and described limiting section support is connected to the inner side of radial projection.
Extension spring installation method, adopts above-described limited block, and after stretching extension spring stretches it, the length of length and described load main body adapts, and coordinates and described limited block is installed in extension spring, extension spring state after keeping stretching by described limiting section; The two ends of extension spring are installed respectively; Remove described limited block.
Based on above-described extension spring installation method and limited block, a kind of tension spring mounting device is also further provided, its highly versatile, safe, cost is lower, and extension spring can be installed easily.
Tension spring mounting device, comprise extension spring stretching device and this limited block, the base of described extension spring stretching device is provided with the fixed leg of hanging support extension spring one end and the movable post of the hanging support extension spring other end, described base is provided with turning of rotating around a basic point, turns upper and rotate around this basic point described in described movable post is fixedly mounted on.
Further, described in, turn as disc.
Further, described in turn and turn for hand, described in turn and be provided with turning handle.
The using method of above-described tension spring mounting device is also provided, adopt above-described tension spring mounting device, by one end hanging support of extension spring in described fixed leg, the other end hanging support of extension spring is in described movable post, described in rotation, turn make to stretch after extension spring length and described load principal length adapt, described limited block is coordinated and is installed in extension spring, extension spring state after keeping stretching by described limiting section, described in rotation, turn the two ends of extension spring are come off, thereby obtain the extension spring in stable pulling state; The two ends of extension spring are installed respectively; Remove described limited block.
Application based on above-described method is also provided.
The application of the method, adopts the using method of tension spring mounting device as previously discussed or adopts above-described extension spring installation method, is applied to all occasions that need extension spring to keep extended state to install.
The application of the method can further be applied to the installation of separating brake extension spring in breaker, and this separating brake extension spring is extension spring, and when extension spring is normally worked, in extended state, one end of extension spring is fixedly hinged, the other end is articulated with in the rotating shaft in breaker.
By adopting this extension spring installation method and the necessary limited block of this installation method, and based on the preferred tension spring mounting device of this extension spring installation method and this limited block institute and using method thereof, and the application of method, this limited block comprise with stretch after the load main body that adapts of extension spring length, be arranged on load main body two ends for the limiting section of extension spring state after keeping stretching, the method adopts first to stretch and keeps the thinking of installation again, thereby keep extension spring extended state to be installed to described position together with this limited block, then remove limited block.This tension spring mounting device comprises extension spring stretching device and this limited block, when use, the fixing extension spring one end other end is hung on the movable post of turning and is stretched.The installation that the present invention is extension spring provide a kind of general, easily, the low and safe effective solution of cost; The method is applicable to all occasions that need extension spring to keep extended state to install, and has solved the extension spring installation question existing for a long time in prior art.
Brief description of the drawings
Fig. 1 is a kind of common structure without the extension spring of wing formula in prior art extension spring;
Fig. 2 is the another kind of common structure without the extension spring of wing formula in prior art extension spring;
Fig. 3 is the wherein a kind of common structure that has the extension spring of wing formula in prior art extension spring;
Fig. 4 is that limited block of the present invention coordinates the schematic diagram being installed on without the extension spring of wing formula in first embodiment;
Fig. 5 is the structural representation after the extension spring in Fig. 4 coordinates with limited block;
Fig. 6 is that limited block of the present invention coordinates the schematic diagram that is installed on the extension spring of wing formula in second embodiment;
Fig. 7 is the structural representation after the extension spring in Fig. 6 coordinates with limited block;
Fig. 8 is that the schematic diagram of application is installed in the extension spring after coordinating in Fig. 5 together with limited block;
Fig. 9 is that the schematic diagram of application is installed in the extension spring after coordinating in Fig. 7 together with limited block;
Figure 10 is the structural representation in tension spring mounting device one specific embodiment of the present invention;
Figure 11 is the view in one embodiment of application of method of the present invention;
Figure 12 is the partial enlarged drawing of Figure 11.
Detailed description of the invention
According to drawings and embodiments the present invention is described in further detail below.
As shown in Figure 1, Figure 2 and Figure 3, in order to explain better and to understand the present invention, as required, extension spring common in prior art is divided into following kind:
Without wing formula extension spring a, b: i.e. the two ends of extension spring do not have radial projection or only have one end to have radial projection.Wherein can be divided into again and have the extension spring of link plate 1b b without the extension spring of wing formula, shown in Fig. 2; Do not contain the extension spring a of link plate, shown in Fig. 1.
There is wing formula extension spring c: i.e. the two ends of extension spring are respectively equipped with radial projection 2c, the existence of this radial projection 2c is normally because the two ends of extension spring have been installed external diameter and have been greater than the link plate 1c of extension spring diameter or band is set at the two ends of extension spring the link plate 1c that protrudes out the projection outside spring-pulling ring, shown in Fig. 3.
Embodiment mono-:
Shown in Fig. 4 and Fig. 5, a kind of limited block 10a, comprise with stretch after the load main body 11 that adapts of extension spring length, be arranged on load main body 11 two ends for the limiting section 12 of extension spring state after keeping stretching.The limited block 10 matching by this and extension spring 20, maintains the extended state of extension spring after stretching.
The more concrete shape of limited block 10 can be made the variation in details neatly according to the kind of extension spring, shown in Fig. 1, Fig. 2 and Fig. 4, Fig. 5, in the present embodiment, adopt without wing formula extension spring a, limiting section 12 directly acts on extension spring, and limiting section 12 directly inserts in the gap 1a at the rear two ends of extension spring stretching.This limiting section 12 is preferably inserted in two gaps that are separated by farthest.
In the present embodiment, in order to insert easily the gap without wing formula extension spring a, the length of limiting section 12 is done short slightly, roughly only has the half of extension spring diameter, simultaneously in order to prevent the too short extension spring side distortion bringing of limiting section length, need to use two limited block 10a, certainly, to those skilled in the art, should be easy to direct derivation out, in the situation that extension spring side deflection allows, change the concrete size of limiting section, only adopt a limited block 10a to be also fine, do not repeat them here.In order to keep the stability after installation, the form of constriction in the middle of the shape of limiting section 12 is made, sticks in the groove of constriction formation the circle of extension spring, thereby strengthens stability simultaneously.
In like manner for another kind without wing formula extension spring b, be equally suitable for such scheme, also repeat no more at this.
Certainly for there being wing formula extension spring c, the another kind that limited block can be made as shown in Figure 6 changes, and this variation will elaborate in second embodiment again.
As shown in Fig. 4, Fig. 5, Fig. 6, Fig. 8, Fig. 9, adopt the extension spring installation method of this limited block 10 (10a, 10c), after stretching extension spring 20 stretches it, the length of length and load main body 11 adapts, coordinate mounting limit piece 10 in extension spring, extension spring state after keeping stretching by limiting section 12; The two ends of extension spring are installed respectively; Remove limited block 10.
As shown in figure 10, based on above-described extension spring installation method and limited block, the present embodiment also provides a kind of tension spring mounting device.This tension spring mounting device comprises extension spring stretching device 20 and limited block 10 (10a, 10c), the base 21 of extension spring stretching device 20 is provided with the fixed leg 22 of hanging support extension spring one end and the movable post 23 of the hanging support extension spring other end, base 21 be provided with rotate around a basic point turn 24, movable post 23 is fixedly mounted on to turn and rotates on 24 and around this basic point.
As shown in Fig. 8, Fig. 9, Figure 10, the using method of this tension spring mounting device is also provided, by one end hanging support of extension spring 20 in fixed leg 32, the other end hanging support of extension spring 20 is in movable post 23, rotation turn 24 make to stretch after extension spring length and load main body 11 length adapt, limited block 10 (10a, 10c) is coordinated and is installed in extension spring, extension spring state after keeping stretching by limiting section 12, rotation is turned and 24 the two ends of extension spring is come off, thereby obtains the extension spring in stable pulling state; The two ends of extension spring are installed respectively; Remove limited block 10 (10a, 10c).
As shown in figure 10, the object of extension spring stretching device is for the extension spring that stretches more easily, supports the use easily the 24 employing discs of therefore turning simultaneously with limited block.Turn simultaneously and turn for hand, be provided with turning handle 25 turning on 24.24 be that amplitude is excessive or too small in order to prevent that hand rotation from turning, be therefore provided with limited post 26 turning on 24, on base 21, along the direction of motion of limited post 26, two locating pieces 27 are set respectively simultaneously, from but turn and 24 remain in certain rotation amplitude.
Based on the application of method, adopt the using method of this tension spring mounting device or adopt this extension spring installation method, be applied to all occasions that need extension spring to keep extended state to install.-
Shown in Fig. 8, Fig. 9, Figure 11 and Figure 12, the method is especially applicable to being applied to the installation of the interior separating brake extension spring of breaker 200, this separating brake extension spring is extension spring, and when extension spring is normally worked, in extended state, one end of extension spring is fixedly hinged, the other end is articulated with in the rotating shaft 30 in breaker.
Again, in conjunction with shown in Fig. 8 and Figure 11, while application in breaker, in the time that the two ends of extension spring are installed respectively, first one end of extension spring is articulated with in rotating shaft 30 by bearing pin 50, and then the other end of extension spring is articulated with to stiff end 40.When dismounting, rotating shaft 30 is that extension spring stretches, and limited block 10a dismantles.
Embodiment bis-:
Shown in Fig. 3, Fig. 6, Fig. 7, in the second embodiment of the present invention, employing has wing formula extension spring c, in conjunction with shown in Fig. 6, Fig. 7, Fig. 9, the difference of limited block 10a in limited block 10c and the first embodiment in the second embodiment is, owing to there being the existence of radial projection 2c, this limiting section 12 can indirectly-acting in extension spring, the link plate 1c being fixedly connected with radial projection 2c is divided at the two ends of extension spring, and this limiting section 12 is connected to the inner side of radial projection 2c.
Therefore the concrete structure of this limited block 10c can be draw-in groove shape, and as shown in Figure 6, Figure 7, this limited block 10c is U-lag the best.Therefore this limiting section 12 is the both ends of the surface of U-lag.
The foregoing is only explanation embodiments of the present invention; be not limited to the present invention, for a person skilled in the art, within the spirit and principles in the present invention all; any amendment of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (9)
1. limited block, is characterized in that, comprise with stretch after the load main body that adapts of extension spring length, be arranged on described load main body two ends for the limiting section of extension spring state after keeping stretching.
2. limited block as claimed in claim 1, is characterized in that, described limiting section directly acts on extension spring, and described limiting section directly inserts in the gap at the rear two ends of extension spring stretching; Or described limiting section indirectly-acting is in extension spring, the link plate being fixedly connected with radial projection is divided at the two ends of extension spring, and described limiting section support is connected to the inner side of radial projection.
3. tension spring mounting device, it is characterized in that, comprise extension spring stretching device and limited block as claimed in claim 1, the base of described extension spring stretching device is provided with the fixed leg of hanging support extension spring one end and the movable post of the hanging support extension spring other end, described base is provided with turning of rotating around a basic point, turns upper and rotate around this basic point described in described movable post is fixedly mounted on.
4. tension spring mounting device as claimed in claim 3, is characterized in that, described in turn as disc.
5. tension spring mounting device as claimed in claim 3, is characterized in that, described in turn and turn for hand, described in turn and be provided with turning handle.
6. the using method of tension spring mounting device, it is characterized in that, adopt tension spring mounting device as claimed in claim 3, by one end hanging support of extension spring in described fixed leg, the other end hanging support of extension spring is in described movable post, described in rotation, turn make to stretch after extension spring length and described load principal length adapt, described limited block is coordinated and is installed in extension spring, extension spring state after keeping stretching by described limiting section, described in rotation, turn the two ends of extension spring are come off, thereby obtain the extension spring in stable pulling state; The two ends of extension spring are installed respectively; Remove described limited block.
7. extension spring installation method, it is characterized in that, adopt limited block as claimed in claim 1, after stretching extension spring stretches it, the length of length and described load main body adapts, coordinate and described limited block is installed in extension spring, extension spring state after keeping stretching by described limiting section; The two ends of extension spring are installed respectively; Remove described limited block.
8. the application of method, is characterized in that, adopts the using method of tension spring mounting device as claimed in claim 6 or adopts extension spring installation method as claimed in claim 7, is applied to all occasions that need extension spring to keep extended state to install.
9. the application of method as claimed in claim 8, it is characterized in that, be applied to the installation of separating brake extension spring in breaker, this separating brake extension spring is extension spring, when extension spring is normally worked, in extended state, one end of extension spring is fixedly hinged, the other end is articulated with in the rotating shaft in breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140301.4A CN103934803B (en) | 2014-04-10 | 2014-04-10 | Tension spring mounting device and using method, extension spring installation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140301.4A CN103934803B (en) | 2014-04-10 | 2014-04-10 | Tension spring mounting device and using method, extension spring installation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103934803A true CN103934803A (en) | 2014-07-23 |
| CN103934803B CN103934803B (en) | 2016-08-10 |
Family
ID=51182811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410140301.4A Expired - Fee Related CN103934803B (en) | 2014-04-10 | 2014-04-10 | Tension spring mounting device and using method, extension spring installation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103934803B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608373A (en) * | 2018-07-19 | 2018-10-02 | 西南交通大学 | A kind of localization method of bogie bearing spring |
| CN109454435A (en) * | 2019-01-11 | 2019-03-12 | 昆山派胜智能科技有限公司 | A kind of clamping of tension spring and positioning device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0219490B1 (en) * | 1985-10-18 | 1991-04-24 | Walter Stöller | Mechanical sealing unit |
| CN201092031Y (en) * | 2007-11-05 | 2008-07-30 | 攀枝花新钢钒股份有限公司 | spring installation aid |
| DE102009006644A1 (en) * | 2009-01-29 | 2010-08-05 | Audi Ag | Spring strut assembling method for suspension of motor vehicle, involves tensioning pre-loaded spring using actuating drive by controlling drive motor and axial adjustment of spring plate for assembling bearing- and pre-loaded springs |
| CN202399223U (en) * | 2011-12-30 | 2012-08-29 | 盖风岐 | Air brake cylinder maintaining device |
| CN203804919U (en) * | 2014-04-10 | 2014-09-03 | 赖营章 | Limiting block and tension spring installation device |
-
2014
- 2014-04-10 CN CN201410140301.4A patent/CN103934803B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0219490B1 (en) * | 1985-10-18 | 1991-04-24 | Walter Stöller | Mechanical sealing unit |
| CN201092031Y (en) * | 2007-11-05 | 2008-07-30 | 攀枝花新钢钒股份有限公司 | spring installation aid |
| DE102009006644A1 (en) * | 2009-01-29 | 2010-08-05 | Audi Ag | Spring strut assembling method for suspension of motor vehicle, involves tensioning pre-loaded spring using actuating drive by controlling drive motor and axial adjustment of spring plate for assembling bearing- and pre-loaded springs |
| CN202399223U (en) * | 2011-12-30 | 2012-08-29 | 盖风岐 | Air brake cylinder maintaining device |
| CN203804919U (en) * | 2014-04-10 | 2014-09-03 | 赖营章 | Limiting block and tension spring installation device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608373A (en) * | 2018-07-19 | 2018-10-02 | 西南交通大学 | A kind of localization method of bogie bearing spring |
| CN109454435A (en) * | 2019-01-11 | 2019-03-12 | 昆山派胜智能科技有限公司 | A kind of clamping of tension spring and positioning device |
| CN109454435B (en) * | 2019-01-11 | 2024-03-12 | 昆山派胜智能科技有限公司 | Tension spring clamping and positioning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103934803B (en) | 2016-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103934803A (en) | Limiting block, tension spring installation device, tension spring installation device using method, tension spring installation method and application of tension spring installation method | |
| MX2015002754A (en) | Seal assembly for a casing hanger. | |
| CN203804919U (en) | Limiting block and tension spring installation device | |
| CN207459520U (en) | A kind of tool specially for attaching and detaching of 10kV car switches Mume flower contact spring | |
| CN204687734U (en) | A kind of runner | |
| CN103122898A (en) | Extensible pole component and lamp using extensible pole component | |
| CN102691987B (en) | Installing fastener, anti-falling assembly and lighting device | |
| CN103352911A (en) | Self-locking hook convenient to use | |
| CN203922456U (en) | Safety hook | |
| CN103863009A (en) | Caster with self-lock mechanism | |
| CN206942122U (en) | A kind of solid plate button fastener | |
| CN103851553A (en) | Ceiling lamp and lamp housing thereof | |
| CN104386579A (en) | Annular internal expanding type steel coil lifting appliance | |
| CN203752795U (en) | Trundle with self-locking mechanism | |
| CN208970901U (en) | A kind of ground line fast assembling-disassembling device | |
| CN203374623U (en) | Self-locking hook capable of being used conveniently | |
| CN104526610A (en) | Auto-fastening loading device | |
| CN202768571U (en) | Expansion screw | |
| CN205884205U (en) | Fruit tree branch pulling device | |
| CN207729374U (en) | Wall lamp | |
| CN108172111B (en) | A kind of Quick Release lathe illustrates label holder | |
| CN203302975U (en) | Hinge fixing structure of toilet cover | |
| CN204029269U (en) | Terrestrial globe swinging mounting | |
| CN204926619U (en) | Hanging wheel for physics experiments | |
| CN203954528U (en) | Folding trampoline protection network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20170410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |