CN102114451A - Protective device for C-shaped groove of railway vehicle and control handle - Google Patents
Protective device for C-shaped groove of railway vehicle and control handle Download PDFInfo
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- CN102114451A CN102114451A CN 201010606303 CN201010606303A CN102114451A CN 102114451 A CN102114451 A CN 102114451A CN 201010606303 CN201010606303 CN 201010606303 CN 201010606303 A CN201010606303 A CN 201010606303A CN 102114451 A CN102114451 A CN 102114451A
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- rotating shaft
- fixture block
- type groove
- protective trough
- suction disc
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Abstract
The invention provides a protective device for a C-shaped groove of a railway vehicle, wherein, the protective device is used for protecting the C-shaped groove and comprises a protection groove, a rotating shaft and a fixture block; the protection groove is used for buckling on the C-shaped groove; the fixture block is used in an inner chamber of the C-shaped groove for clamping the two ends of the opening of the C-shaped groove; the rotating shaft penetrates through the protection groove and is connected with the fixture block; the rotating shaft moves to drive the protection groove and the fixture block to move; and the rotating shaft rotates to drive the fixture block to rotate in the inner chamber of the C-shaped groove. The invention also provides a control handle. By adopting the technical scheme of the invention to protect the C-shaped groove, time, manpower and physical resources can be saved, and personnel safety of working personnel can also be ensured.
Description
Technical field
The present invention relates to the rail vehicle manufacturing technology, relate in particular to the guard technology of rail vehicle C type groove.
Background technology
At present, to EMUs aluminum alloy bodywork spray anti-corrosive primer and damping slurry the time, enter in the aluminum alloy bodywork C type groove for preventing anti-corrosive primer, damping slurry, generally the means of defence of Cai Yonging is, with adhesive tape that C type notch is bonding, after having sprayed priming paint and damping slurry, again the adhesive tape of pasting is torn.
Concrete process for protecting is as follows:
Before the spray anti-corrosive primer, the operator stands on the stool, with interior top, side wall and the underframe top and bottom of aluminum alloy bodywork totally 800 meters long C type notch paste and go up adhesive tape, spray lacquer also after the drying, will prevent the retaining tape dismounting;
Before the spray damping slurry, the operator need stand on the stool once more in to the aluminium alloy car, with interior top, side wall and the underframe top and bottom of aluminum alloy bodywork totally 800 meters long C type notch paste adhesive tape once more, sprayed damping slurry after, will prevent the retaining tape dismounting once more.
Be not difficult to find out by above-mentioned process for protecting, before and after the spray anti-corrosive primer, need carry out the stickup and the dismounting of adhesive tape, before and after the spray damping slurry, also need to carry out the stickup and the dismounting of adhesive tape, such process for protecting is wasted time and energy, but also the waste adhesive tape.
In addition, because (interior top, side wall and underframe) has been covered with 800 meters long C type groove in the aluminum alloy bodywork, the place that the operator reaches (as interior top, side wall top) the stool operation of need ascending a height, the operation of stickup and dismounting adhesive tape is very inconvenient, occurs industrial accident easily.
So the process for protecting of present rail vehicle C type groove is time-consuming, effort, take material, and operating personnel operate very inconveniently, occur industrial accident easily.
Summary of the invention
The invention provides the protector and the joystick of rail vehicle C type groove, in order in protection process, save time, the man power and material, and guarantee that operating personnel's operation is convenient, safety rail vehicle C type groove.
The invention provides a kind of protector of rail vehicle C type groove, be used for C type groove is protected, described device comprises protective trough, rotating shaft and fixture block; Described protective trough is used to be buckled in C type groove; Described fixture block is used for blocking at the inner chamber of C type groove the opening two ends of C type groove; Described protective trough is passed in described rotating shaft, and is connected with described fixture block, and the described protective trough of mobile drive and the described fixture block of described rotating shaft move, and the rotation of described rotating shaft drives described fixture block and rotates at the inner chamber of C type groove; Wherein, when using described device that C type groove is protected, described rotating shaft drives described protective trough and described fixture block moves to C type groove, when described fixture block enters the inner chamber of C type groove, described rotating shaft is rotated, and drives described fixture block rotation, and described fixture block blocks the opening two ends of C type groove; Wherein, when removing described device to the protection of C type groove, described rotating shaft drives described fixture block and breaks away from and the contacting of the opening two ends of C type groove, and described rotating shaft is rotated, and drives described fixture block rotation, and described rotating shaft drives described protective trough and described fixture block leaves C type groove.
Described protective trough is the protective trough of polyamide nylon material.
The protective trough that described protective trough is adjacent is the primary and secondary overlap joint.
The length of described protective trough is 2 meters.
Described device also comprises suction disc, and described suction disc is connected by bolt with described rotating shaft, the moving of the described rotating shaft of mobile drive of described suction disc, and the rotation of described suction disc drives the rotation of described rotating shaft.
Described device also comprises spring, and described spring housing is in described rotating shaft, and an end of described spring contacts with described fixture block; Described rotating shaft has nut, and described nut is used for described spring is fixed on described rotating shaft; Wherein, move and described protective trough when being buckled on the C type groove to C type groove when described rotating shaft drives described protective trough and described fixture block, described rotating shaft drives described fixture block and compresses described spring, and described fixture block enters the inner chamber of C type groove; Wherein, when removing described device to the protection of C type groove, described rotating shaft drives described fixture block and compresses described spring, so that described fixture block breaks away from and the contacting of the opening two ends of C type groove.
Between described spring and the described nut packing ring is set.
Described rotating shaft is connected with described fixture block and is specially: described fixture block is passed in described rotating shaft.
The present invention also provides a kind of joystick, is used to control above-mentioned protector, and described joystick comprises: handle and magnetic devices, and described handle connects by being connected joint with magnetic devices; Described handle moves the described magnetic devices of drive and moves, and described handle rotates and drives described magnetic devices rotation; Described magnetic devices contacts with described protector, and described magnetic devices drives described protector by magnetic force and moves and rotate.
If described protector comprises suction disc, and described suction disc is connected by bolt with rotating shaft in the described protector, then described magnetic devices contacts with described suction disc, and described magnetic devices drives described suction disc by magnetic force and moves and rotate, and described suction disc drives described rotating shaft and moves and rotate.
In the present invention, use protective trough to be buckled on the C type groove, and protective trough can reuse, with respect to the existing technology of using adhesive tape to paste C type groove, time, man power and material in the time of can saving.
In the present invention, can use joystick control protector, so not only save manpower, can also guarantee staff's personal safety.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic diagram that Fig. 1 separates with C type groove for protector provided by the invention;
Fig. 2 is the schematic diagram that protector provided by the invention combines with C type groove;
Fig. 3 is the schematic diagram of each parts of protector of the present invention; ,
Fig. 4 is the schematic diagram of each parts of joystick of the present invention;
Fig. 5 is the schematic diagram of joystick of the present invention;
Fig. 6 is the schematic diagram of joystick of the present invention when contacting with protector.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Introduce technical scheme of the present invention at first on the whole.
The invention provides a kind of protector of rail vehicle C type groove, be used for C type groove is protected, this device comprises protective trough, rotating shaft and fixture block; Described protective trough is used to be buckled in C type groove; Described fixture block is used for blocking at the inner chamber of C type groove the opening two ends of C type groove; Described protective trough is passed in described rotating shaft, and is connected with described fixture block, and the described protective trough of mobile drive and the described fixture block of described rotating shaft move, and the rotation of described rotating shaft drives described fixture block and rotates at the inner chamber of C type groove; Wherein, when using described device that C type groove is protected, described rotating shaft drives described protective trough and described fixture block moves to C type groove, when described fixture block enters the inner chamber of C type groove, described rotating shaft is rotated, and drives described fixture block rotation, and described fixture block blocks the opening two ends of C type groove; Wherein, when removing described device to the protection of C type groove, described rotating shaft drives described fixture block and breaks away from and the contacting of the opening two ends of C type groove, and described rotating shaft is rotated, and drives described fixture block rotation, and described rotating shaft drives described protective trough and described fixture block leaves C type groove.
Wherein, protective trough can be the protective trough of polyamide nylon material, and in the present invention, the protective trough of this material also can be called protection nylon groove.
Wherein, the protective trough protective trough that can be adjacent is the primary and secondary overlap joint.
Wherein, the length of protective trough can be 2 meters.
Described protector can also comprise suction disc, and suction disc can be connected by bolt with rotating shaft, and moving of suction disc can drive moving of rotating shaft, and the rotation of suction disc can drive the rotation of rotating shaft.
Described protector can also comprise spring, and spring can be enclosed within the rotating shaft, and an end of spring can contact with fixture block.Can have nut in the rotating shaft, nut can be fixed on spring in the rotating shaft.Wherein, move and protective trough when being buckled on the C type groove to C type groove when rotating shaft drives protective trough and fixture block, rotating shaft can drive fixture block compression spring, and fixture block just can enter the inner chamber of C type groove like this.When removing protector to the protection of C type groove, rotating shaft can drive fixture block compression spring, so that fixture block breaks away from and the contacting of the opening two ends of C type groove.
Wherein, be provided with packing ring between spring and the nut.
Wherein, rotating shaft is connected specifically with fixture block and can be meant that fixture block is passed in rotating shaft.That is to say that protective trough and fixture block are passed in rotating shaft successively.
Control above-mentioned protector for ease of the staff, the present invention also provides a kind of joystick, comprising: handle and magnetic devices, and described handle connects by being connected joint with magnetic devices; Described handle moves the described magnetic devices of drive and moves, and described handle rotates and drives described magnetic devices rotation; Described magnetic devices contacts with described protector, and described magnetic devices drives described protector by magnetic force and moves and rotate.
Wherein, if protector comprises suction disc, and suction disc is connected by bolt with rotating shaft in the protector, and magnetic devices contacts with suction disc so, and magnetic devices drives suction disc by magnetic force and moves and rotate, and suction disc drives rotating shaft and moves and rotate.
For making those of ordinary skills more clearly understand the present invention, more in conjunction with the accompanying drawings, the present invention is described in detail below.
The schematic diagram that Fig. 1 separates with C type groove for protector provided by the invention, Fig. 2 are the schematic diagram that protector provided by the invention combines with C type groove, that is, and and the schematic diagram of protector protection C type groove.
As depicted in figs. 1 and 2, protector comprises protection nylon groove 1, rotating shaft 2, fixture block 3, suction disc 4, spring 5 and nut 6.Suction disc 4 and rotating shaft 2 are connected by bolt, and protection nylon groove 1 and fixture block 3 are passed in rotating shaft 2 respectively, and an end of spring 5 can contact with fixture block 3, and the other end of spring 5 can contact with nut 6.
When using protector protection C type groove, protector integral body is near C type groove, fixture block 3 vertical openings by C type groove, that is to say, fixture block 3 shown in Figure 1 is when entering the inner chamber of C type groove, fixture block 3 shown in Figure 1 when the starting section vertical with the opening two ends of C type groove, like this, fixture block 3 just can enter the inner chamber of C type groove smoothly; When protecting opening two end in contact of nylon groove 1 and C type groove, protector integral body stops to move, suction disc 4 is subjected to external pressure, by rotating shaft 2 compression springs 5, so that fixture block 3 enters the inner chamber of C type groove fully, afterwards, by suction disc 4 rotating shafts 2, fixture block 3 rotates 90 ° with rotating shaft 2, so that fixture block 3 just in time blocks the opening two ends of C type groove.
When removing protector to the protection of C type groove, suction disc 4 is subjected to external pressure, by rotating shaft 2 compression springs 5, so that the opening two ends of fixture block 3 and C type groove disengage, afterwards, again by suction disc 4 rotating shafts 2, fixture block 3 rotates 90 ° with rotating shaft 2 so that fixture block 3 shown in Figure 1 when the starting section vertical with the opening two ends of C type groove, at last, protector is whole mobile, away from C type groove.
Need to prove, though the opening of C type groove illustrated in figures 1 and 2 up, but in actual applications, C type groove in train inside should be opening down, so when using protector of the present invention, each parts order from top to bottom of protector is followed successively by: nut 6, spring 5, fixture block 3, protection nylon groove 1 and suction disc 4, spring 5, fixture block 3 and protection nylon groove 1 are passed in rotating shaft 2 successively, and an end of rotating shaft 2 and suction disc 4 are connected by bolt.
Fig. 3 is the schematic diagram of each parts of protector of the present invention.As shown in Figure 3, there is gap the centre of suction disc 4, and the centre of protection nylon groove 1 and fixture block 3 has through hole respectively, and rotating shaft 2 is connected by bolt respectively with suction disc 4, the part of bolt need be in the gap of suction disc 4, and protection nylon groove 1, fixture block 3 and spring 5 are passed in rotating shaft 2 respectively.
Fig. 4 is the schematic diagram of each parts of joystick of the present invention, and Fig. 5 is the schematic diagram of joystick of the present invention.As shown in Figure 4 and Figure 5, joystick comprises magnet 7 and handle 9, and magnet 7 connects by being connected joint 8 with handle 9.
Fig. 6 is the schematic diagram of joystick of the present invention when contacting with protector.As shown in Figure 6, contact staff's operating grip 9 by magnetic force between magnet 7 and the suction disc 4.Handle 9 moves and rotates by connecting joint 8 drive magnets 7, and magnet 7 drives suction discs 4 and moves and rotate, and suction disc 4 drives rotating shafts 2 and moves and rotate, and rotating shaft 2 drives protection nylon groove 1 and fixture block 3 moves, and drive fixture block 3 rotates.Handle 9 passes to magnet 7 to its applied pressure by connecting joint 8 with the staff, and magnet 7 passes to suction disc 4 with pressure, and suction disc 4 passes to rotating shaft 2 with pressure, and rotating shaft 2 is passed to fixture block 3 with pressure, fixture block 3 compression springs 5.
In sum, in the present invention, use protective trough to be buckled on the C type groove, and protective trough can reuse, with respect to the existing technology of using adhesive tape to paste C type groove, time, man power and material in the time of can saving.
In the present invention, can use joystick control protector, so not only save manpower, can also guarantee staff's personal safety.
Though described the application by embodiment, those of ordinary skills know, the application has many distortion and variation and the spirit that do not break away from the application, wish that appended claim comprises these distortion and variation and the spirit that do not break away from the application.
Claims (10)
1. the protector of a rail vehicle C type groove is characterized in that, is used for C type groove is protected, and described device comprises protective trough, rotating shaft and fixture block;
Described protective trough is used to be buckled in C type groove;
Described fixture block is used for blocking at the inner chamber of C type groove the opening two ends of C type groove;
Described protective trough is passed in described rotating shaft, and is connected with described fixture block, and the described protective trough of mobile drive and the described fixture block of described rotating shaft move, and the rotation of described rotating shaft drives described fixture block and rotates at the inner chamber of C type groove;
Wherein, when using described device that C type groove is protected, described rotating shaft drives described protective trough and described fixture block moves to C type groove, when described fixture block enters the inner chamber of C type groove, described rotating shaft is rotated, and drives described fixture block rotation, and described fixture block blocks the opening two ends of C type groove;
Wherein, when removing described device to the protection of C type groove, described rotating shaft drives described fixture block and breaks away from and the contacting of the opening two ends of C type groove, and described rotating shaft is rotated, and drives described fixture block rotation, and described rotating shaft drives described protective trough and described fixture block leaves C type groove.
2. device as claimed in claim 1 is characterized in that, described protective trough is the protective trough of polyamide nylon material.
3. device as claimed in claim 1 is characterized in that, the protective trough that described protective trough is adjacent is the primary and secondary overlap joint.
4. as claim 1,2 or 3 described devices, it is characterized in that the length of described protective trough is 2 meters.
5. device as claimed in claim 1 is characterized in that, also comprises suction disc, and described suction disc is connected by bolt with described rotating shaft, the moving of the described rotating shaft of mobile drive of described suction disc, and the rotation of described suction disc drives the rotation of described rotating shaft.
6. device as claimed in claim 1 is characterized in that, also comprises spring, and described spring housing is in described rotating shaft, and an end of described spring contacts with described fixture block;
Described rotating shaft has nut, and described nut is used for described spring is fixed on described rotating shaft;
Wherein, move and described protective trough when being buckled on the C type groove to C type groove when described rotating shaft drives described protective trough and described fixture block, described rotating shaft drives described fixture block and compresses described spring, and described fixture block enters the inner chamber of C type groove;
Wherein, when removing described device to the protection of C type groove, described rotating shaft drives described fixture block and compresses described spring, so that described fixture block breaks away from and the contacting of the opening two ends of C type groove.
7. device as claimed in claim 6 is characterized in that, between described spring and the described nut packing ring is set.
8. device as claimed in claim 1 is characterized in that, described rotating shaft is connected with described fixture block and is specially: described fixture block is passed in described rotating shaft.
9. a joystick is characterized in that, is used to control any described protector of claim 1-8, and described joystick comprises: handle and magnetic devices, and described handle connects by being connected joint with magnetic devices;
Described handle moves the described magnetic devices of drive and moves, and described handle rotates and drives described magnetic devices rotation;
Described magnetic devices contacts with described protector, and described magnetic devices drives described protector by magnetic force and moves and rotate.
10. joystick as claimed in claim 9, it is characterized in that, if described protector comprises suction disc, and described suction disc is connected by bolt with rotating shaft in the described protector, then described magnetic devices contacts with described suction disc, described magnetic devices drives described suction disc by magnetic force and moves and rotate, and described suction disc drives described rotating shaft and moves and rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606303 CN102114451B (en) | 2010-12-24 | 2010-12-24 | Protective device for C-shaped groove of railway vehicle and control handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606303 CN102114451B (en) | 2010-12-24 | 2010-12-24 | Protective device for C-shaped groove of railway vehicle and control handle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102114451A true CN102114451A (en) | 2011-07-06 |
| CN102114451B CN102114451B (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010606303 Active CN102114451B (en) | 2010-12-24 | 2010-12-24 | Protective device for C-shaped groove of railway vehicle and control handle |
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| Country | Link |
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| CN (1) | CN102114451B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229600A (en) * | 2020-02-27 | 2020-06-05 | 辽宁维特机械设备制造有限公司 | Board comb sieve plate for vibrating sieve and vibrating sieve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB841838A (en) * | 1956-11-02 | 1960-07-20 | Faiencerie Ceranord Soc Des No | "spraying apparatus suitable for decorating articles of earthenware, pottery or chinaware or similar workpieces" |
| JPS59209669A (en) * | 1983-05-16 | 1984-11-28 | Nissan Motor Co Ltd | Masking jig for coating |
| DE19616449C1 (en) * | 1996-04-25 | 1997-08-14 | Pahl Gummi Asbest | Masking method to prevent coating in region surrounding recess in component |
| CN1242263A (en) * | 1998-07-22 | 2000-01-26 | 株式会社小糸制作所 | Masking apparatus for coating |
| CN201419201Y (en) * | 2009-05-13 | 2010-03-10 | 唐山轨道客车有限责任公司 | Hot press mould for bogie side beam |
| CN201620472U (en) * | 2010-02-10 | 2010-11-03 | 毕伽璧(上海)建筑科技有限公司 | C-shaped channel steel and bolt fastener structure |
-
2010
- 2010-12-24 CN CN 201010606303 patent/CN102114451B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB841838A (en) * | 1956-11-02 | 1960-07-20 | Faiencerie Ceranord Soc Des No | "spraying apparatus suitable for decorating articles of earthenware, pottery or chinaware or similar workpieces" |
| JPS59209669A (en) * | 1983-05-16 | 1984-11-28 | Nissan Motor Co Ltd | Masking jig for coating |
| DE19616449C1 (en) * | 1996-04-25 | 1997-08-14 | Pahl Gummi Asbest | Masking method to prevent coating in region surrounding recess in component |
| CN1242263A (en) * | 1998-07-22 | 2000-01-26 | 株式会社小糸制作所 | Masking apparatus for coating |
| CN201419201Y (en) * | 2009-05-13 | 2010-03-10 | 唐山轨道客车有限责任公司 | Hot press mould for bogie side beam |
| CN201620472U (en) * | 2010-02-10 | 2010-11-03 | 毕伽璧(上海)建筑科技有限公司 | C-shaped channel steel and bolt fastener structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229600A (en) * | 2020-02-27 | 2020-06-05 | 辽宁维特机械设备制造有限公司 | Board comb sieve plate for vibrating sieve and vibrating sieve |
| CN111229600B (en) * | 2020-02-27 | 2021-07-23 | 辽宁维特机械设备制造有限公司 | Board comb sieve plate for vibrating sieve and vibrating sieve |
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| Publication number | Publication date |
|---|---|
| CN102114451B (en) | 2013-03-27 |
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Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee after: CRRC TANGSHAN CO., LTD. Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee before: Tangshan Railway Carriage Co., Ltd. |