CN103991459B - The suspension gear of electromagnetic track brake for light rail vehicle - Google Patents
The suspension gear of electromagnetic track brake for light rail vehicle Download PDFInfo
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- CN103991459B CN103991459B CN201410223463.4A CN201410223463A CN103991459B CN 103991459 B CN103991459 B CN 103991459B CN 201410223463 A CN201410223463 A CN 201410223463A CN 103991459 B CN103991459 B CN 103991459B
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- lock sleeve
- clip
- screw mandrel
- adjustment screw
- elastic nut
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- 239000000725 suspension Substances 0.000 title claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 5
- 239000006071 cream Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009433 steel framing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Vehicle Body Suspensions (AREA)
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Abstract
The invention provides a kind of suspension gear of electromagnetic track brake for light rail vehicle, comprise set gradually from top to bottom end cap, adjustment screw mandrel, pendulum spring, spring tray, flat shim, upper elastic nut, dish-like pad, bolt, dust boot, suspension pallet, spherical pad and the next elastic nut, its constructional feature is also to comprise upper clip, the next clip, lock sleeve and spring cotter; The upper and lower port of dust boot is fixed on upper elastic nut and hangs on pallet by upper clip and the next clip respectively; Lock sleeve is arranged at the below of the next elastic nut and is fixed on adjustment screw mandrel by lock sleeve by spring cotter.Suspension gear of the present invention is owing to adding upper lower catch hoop, and dust and water protection vapour performance improves comparatively large, extends the service life of device, decreases plant maintenance work capacity and use cost; Set up lock sleeve, improve the safety performance of device, effectively can avoid the generation of safety misadventure.
Description
The application is application number is 201210067955.X, and the applying date is on March 15th, 2012, and invention and created name is the divisional application of the application for a patent for invention of " suspension device for electromagnetic track brake for light rail vehicle ".
Technical field
The present invention relates to guideway vehicle electromagnetic track brake field, be specifically related to the suspension gear of low-floor light rail vehicle electromagnetic track brake.
Background technology
The suspension gear that the electromagnetic track brake applying to low-floor light rail vehicle at present adopts, primarily of adjustment screw mandrel, pendulum spring, the formation such as dust boot and elastic nut, but existing suspension gear also exists the problem of two aspects: one is that the length two ends that are less and dust boot of bellows itself in the middle part of adjustment screw mandrel do not have anchor fitting to make it locate, dust boot can not cover the screw thread in the middle part of adjusting screw completely, and the rigidity of dust boot own is little, elastomeric material fatigue aging after use certain hour, under the effect of gravity own, dust boot is by deformation retract, the adjusting screw screw thread more grown is caused to be exposed in external environment, so just make to be coated be contained in adjusting screw threaded portion antisticking aluminium cream easily and steam, dust mixes mutually, greatly shorten the service life of aluminium cream, increase maintenance workload and the use cost of electromagnetic track brake relevant device, two be the joint parts such as the elastic nut of suspension gear lower end in use, easily occur to loosen under the vibration caused at track irregularity and impact effect, and easily down get loose under electromagnet Action of Gravity Field, electromagnet when causing off working state and the gap smaller at track top, time serious even with rail contact, collide and cause safety misadventure.
Summary of the invention
The object of the invention is: overcome problems of the prior art and deficiency, provide a kind of and there is suspension gear that is dust-proof and the low-floor light rail vehicle electromagnetic track brake of anti-loose function.
Technical scheme of the present invention is: the suspension gear of a kind of electromagnetic track brake for light rail vehicle of the present invention, comprise set gradually from top to bottom end cap, adjustment screw mandrel, pendulum spring, spring tray, flat shim, upper elastic nut, dish-like pad, bolt, dust boot, suspension pallet, spherical pad and the next elastic nut, the upper end of above-mentioned adjustment silk screw mandrel is threaded with end cap; Pendulum spring, spring tray, flat shim, upper elastic nut, dish-like pad, bolt, dust boot, suspension pallet, spherical pad and the next elastic nut are successively set on adjustment screw mandrel; Dust boot has upper port and lower port; The lower end of adjustment screw mandrel is provided with pin-and-hole, and its constructional feature is: also comprise upper clip, the next clip, lock sleeve and spring cotter; The upper port of dust boot is fixed on upper elastic nut by upper clip; The lower port of dust boot is fixed on by the next clip and hangs on pallet; Above-mentioned lock sleeve is arranged at the below of the next elastic nut, and lock sleeve is provided with through pin-and-hole, and lock sleeve is fixed on adjustment screw mandrel through the pin-and-hole on the pin-and-hole on lock sleeve and adjustment screw mandrel by above-mentioned spring cotter; Upper clip and the next clip are the adjustable clip of screw, form by annular resilient steel disc main body and screw; Lock sleeve is steel integral piece, and the cylinder connection that lock sleeve is differed by upper and lower two sections of external diameters is integrally formed, and the medium pore of lock sleeve is provided with the large inner hexagonal hole section, cylindrical hole section and the little inner hexagonal hole section that are connected successively from top to bottom along axis.
The present invention has positive effect: the suspension gear of (1) electromagnetic track brake for light rail vehicle of the present invention adds clip at the two ends of dust boot, dust boot is connected with the suspension pallet of lower end with the elastic nut of upper end, thus avoid the defect of the Length Contraction that dust boot causes due to fatigue of material and Action of Gravity Field, and ensure that the antisticking aluminium cream of adjustment wire rod thread part is not by steam and contamination by dust as much as possible, thus extend the service life of device, decrease plant maintenance work capacity and use cost.(2) suspension gear of electromagnetic track brake for light rail vehicle of the present invention is in the lower end of the elastic nut of bottom, add the lock sleeve connecting with spring cotter and be fixed on adjustment screw mandrel, effectively prevent in use due to vibration, impact the next elastic nut that causes and to get loose phenomenon, improve the safety performance of device, effectively avoid the generation of safety misadventure.
Accompanying drawing explanation
Fig. 1 is the suspension gear structural representation of electromagnetic track brake for light rail vehicle of the prior art;
Fig. 2 is the suspension gear structural representation of electromagnetic track brake for light rail vehicle of the present invention.
Reference numeral in above-mentioned accompanying drawing is as follows:
End cap 1, adjustment screw mandrel 2, pendulum spring 3, spring tray 4, flat shim 5, upper elastic nut 6, dish-like pad 7, bolt 8, upper clip 9, dust boot 10, the next clip 11, hang pallet 12, spherical pad 13, the next elastic nut 14, lock sleeve 15, spring cotter 16.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.The present invention in the description of detailed description of the invention, with the right of Fig. 2 for the top in describing, with the left of Fig. 2 for the below in describing.
(embodiment 1)
See Fig. 2, the suspension gear of the electromagnetic track brake for light rail vehicle of the present embodiment comprises end cap 1, adjustment screw mandrel 2, pendulum spring 3, spring tray 4, flat shim 5, upper elastic nut 6, dish-like pad 7, bolt 8, upper clip 9, dust boot 10, the next clip 11, hangs pallet 12, spherical pad 13, the next elastic nut 14, lock sleeve 15 and spring cotter 16.
End cap 1 is steel integral piece.End cap 1 is the hollow structure be integrally made up of two sections of cylinders that external diameter is different, and wherein Upper cylindrical body diameter is relatively large, and length is relatively short.The centre hole of end cap 1 is negative thread cylindrical hole.
Adjustment screw mandrel 2 is that the high strength of strip shape rolls corrosion-resistant steel stud, and the adjustment diameter of thread of screw mandrel 2 matches with the tapped through hole of end cap.The bottom of adjustment screw mandrel 2 is provided with outer-hexagonal boss and pin-and-hole, and adjustment screw mandrel 2 in a pre-installation, all needs to coat antisticking aluminium cream at screw thread position.Adjustment screw mandrel 2 utilizes its upper end screw thread to match with the negative thread cylindrical hole of end cap 1, the negative thread cylindrical hole of inlet side lid 1 is screwed from the lower end of end cap 1, until the upper surface of adjustment screw mandrel 2 apart from end cap 1 upper surface about 5mm and do not exceed the upper surface of end cap 1, then adopt welding process both to be welded and fixed on the upper surface of end cap 1.
The external diameter of pendulum spring 3 is less than the external diameter of the upper end cylinder of end cap 1, and the internal diameter of pendulum spring 2 is greater than the external diameter of the lower cylindrical of end cap 1.Pendulum spring 3 is socketed on adjustment screw mandrel 2, and the upper surface of pendulum spring 3 abuts against on the lower surface of the upper cylinder of end cap 1.
Spring tray 4 is steel integral piece, spring tray 4 is the hollow structure be made up of two sections of cylinders that external diameter is different, and the interior lights bore dia of top hollow circular cylinder is greater than the external diameter of pendulum spring 3, the interior lights bore dia of bottom hollow circular cylinder is greater than the diameter of adjustment screw mandrel 2; Larger-size for spring tray 4 one end is packed into upward in adjustment screw mandrel 2 until unthreaded hole bottom boss contacts with the lower section of pendulum spring 3.Spring tray 4 is matched with bogie of car mounting hole by exterior boss.
Flat shim 5 is circular high-strength engineering plastic framing member, and centre has circular hole, and the diameter of the middle circular hole of flat shim 5 is a bit larger tham the diameter of aforesaid adjustment screw mandrel 2, and the external diameter of the external diameter of flat shim 5 and the upper cylinder of aforesaid spring tray 4 is suitable.Flat shim 5 packs into adjustment screw mandrel from the bottom up, and the upper surface of flat shim 5 is adjacent to the installation end face of the bogie of car.
Upper elastic nut 6 is the band hexagonal boss of particular design and the steel construction piece of elastic groove, and its center is provided with negative thread cylindrical hole, and this negative thread matches with the outside thread of adjustment screw mandrel 2.Upper elastic nut 6 adjusts screw mandrel 2, until aforesaid flat shim 5 is close in its upper surface from downside precession.Dish-like pad 7 and bolt 8 are arranged on the mounting hole of upper elastic nut 6 correspondence, by applying specified moment of torsion to dish-like pad 7 and bolt 8, can realize upper elastic nut 6 being fastened on the object on adjustment screw mandrel 2.
Dust boot 10 is the oil proof rubber part of hollow, and epimere and the hypomere of dust boot 10 are cylindrical tube, and interlude is the telescopic pleat of waveform, and the epimere of dust boot 10 is sleeved on the boss of upper elastic nut 6 lower end.
Hanging pallet 12 be high-strength engineering plastic framing member, hangs two sections of cylinders being differed by external diameter of pallet 12 and forms, Center through hole and on lower surface design spherical groove, through-hole aperture is a bit larger tham the diameter adjusting screw mandrel 2.In use, hang pallet 12 and be arranged on the bogie of car by exterior boss, the upper end external cylindrical surface hanging pallet 12 matches with dust protecting cap 10, and the hypomere cylindrical tube of dust boot 10 is sleeved on the upper end boss of suspension pallet 12.The lower end sphere hanging pallet 12 matches with spherical pad 13.
Spherical pad 13 is circular steel framing member, and center is the through hole that diameter is a bit larger tham adjustment screw mandrel 2 diameter, and upper surface is sphere boss, and lower end is smooth flat.Spherical pad 13 packs into adjustment screw mandrel 2 from downside, and sphere boss is matched with the spherical groove hanging pallet 12 lower end.
The lower end of spherical pad 13 is provided with the next elastic nut 14 identical with mounting means with aforesaid upper elastic nut 6 structure.
The epimere cylindrical tube of aforesaid dust boot 10 is provided with upper clip 9, for dust boot 10 and upper elastic nut 6 being tightened together.Upper clip 9 belongs to the adjustable clip of screw, and the main body be made up of annular resilient steel disc and screw are formed.The center, annular resilient steel disc two ends of upper clip 9 is provided with manhole.Upper clip 9 is sleeved on dust boot 10 epimere cylindrical tube, and by adjustment screw, shrinks annular steel disc, be pressed on by dust boot epimere on the lower end boss of upper elastic nut 6.
The hypomere of aforesaid dust boot 10 is provided with the next clip 11, for dust protecting cap 10 and suspension pallet 12 being tightened together.The structure function of the next clip 11 is consistent with upper clip 9 with mounting means.
Lock sleeve 15 is steel integral piece, and the cylinder connection that lock sleeve 15 is differed by upper and lower two sections of external diameters is integrally formed, and its interior bone is divided into three sections, is followed successively by large inner hexagonal hole, cylindrical hole and little inner hexagonal hole from top to bottom.The lower end edge cylinder radial direction of lock sleeve 15 has the through hole through the center of circle, and this through hole is the pin-and-hole for construction opening pin 16.The large inner hexagonal hole of lock sleeve 15 upper end matches with the outer-hexagonal boss of the next elastic nut 14, and the little inner hexagonal hole of downside matches with the outer-hexagonal boss of adjustment screw mandrel 2 lower end.During installation, lock sleeve 15 is packed into adjustment screw mandrel 2, make the large inner hexagonal hole of lock sleeve 15 and the outer-hexagonal boss clamping of the next elastic nut 14, and ensure that the radial pin-and-hole of lock sleeve 15 lower end is relative with the pin-and-hole on adjustment screw mandrel 2, inject spring cotter 16 again, thus lock sleeve 15 is fixed on adjustment screw mandrel 2.
The suspension gear of the electromagnetic track brake for light rail vehicle of the present embodiment is applicable to low-floor light rail vehicle.
The suspension gear of the electromagnetic track brake for light rail vehicle of the present embodiment is owing to adding upper clip 9 in the upper port of dust boot 10, add the next clip 11 in the lower port of dust boot 10, thus dust boot 10 in use avoids the Length Contraction caused due to fatigue of material and Action of Gravity Field and causes the antisticking aluminium cream adjusting wire rod thread part to be subject to the defect of steam and contamination by dust.Meanwhile, owing to being provided with lock sleeve in the lower end of the next elastic nut 14, thus overcome in use due to vibration, impact the next elastic nut 14 that causes and to get loose the safety hazard brought.When needing height (also namely the height of pallet 12 is hung in adjustment) of manually adjustment brake electromagnet, only need lock sleeve and spring cotter to unload, convenient and swift.
Above embodiment is the explanation to the specific embodiment of the present invention; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present invention.
Claims (1)
1. the suspension gear of an electromagnetic track brake for light rail vehicle, comprise set gradually from top to bottom end cap (1), adjustment screw mandrel (2), pendulum spring (3), spring tray (4), flat shim (5), upper elastic nut (6), dish-like pad (7), bolt (8), dust boot (10), hang pallet (12), spherical pad (13) and the next elastic nut (14), the upper end of described adjustment screw mandrel (2) is threaded with end cap (1); Pendulum spring (3), spring tray (4), flat shim (5), upper elastic nut (6), dish-like pad (7), bolt (8), dust boot (10), suspension pallet (12), spherical pad (13) and the next elastic nut (14) are successively set on described adjustment screw mandrel (2); Dust boot (10) has upper port and lower port; The lower end of adjustment screw mandrel (2) is provided with pin-and-hole; It is characterized in that: also comprise upper clip (9), the next clip (11), lock sleeve (15) and spring cotter (16); The upper port of dust boot (10) is fixed on upper elastic nut (6) by upper clip (9); The lower port of dust boot (10) is fixed on by the next clip (11) and hangs on pallet (12); Described lock sleeve (15) is arranged at the below of the next elastic nut (14); Lock sleeve (15) is provided with through pin-and-hole; Lock sleeve (15) is fixed in adjustment screw mandrel (2) through the pin-and-hole on the pin-and-hole on lock sleeve (15) and adjustment screw mandrel (2) by described spring cotter (16);
Described upper clip (9) and the next clip (11) are the adjustable clip of screw, form by annular resilient steel disc main body and screw;
Described lock sleeve (15) is steel integral piece, the cylinder connection that lock sleeve (15) is differed by upper and lower two sections of external diameters is integrally formed, and the medium pore of lock sleeve (15) is provided with the large inner hexagonal hole section, cylindrical hole section and the little inner hexagonal hole section that are connected successively from top to bottom along axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223463.4A CN103991459B (en) | 2012-03-15 | 2012-03-15 | The suspension gear of electromagnetic track brake for light rail vehicle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210067955.XA CN102627113B (en) | 2012-03-15 | 2012-03-15 | Suspension device for electromagnetic track brake for light rail vehicle |
| CN201410223463.4A CN103991459B (en) | 2012-03-15 | 2012-03-15 | The suspension gear of electromagnetic track brake for light rail vehicle |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210067955.XA Division CN102627113B (en) | 2012-03-15 | 2012-03-15 | Suspension device for electromagnetic track brake for light rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103991459A CN103991459A (en) | 2014-08-20 |
| CN103991459B true CN103991459B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410223463.4A Active CN103991459B (en) | 2012-03-15 | 2012-03-15 | The suspension gear of electromagnetic track brake for light rail vehicle |
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| Country | Link |
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| CN (1) | CN103991459B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3066169A1 (en) * | 2017-05-15 | 2018-11-16 | Alstom Transport Technologies | DEVICE FOR FASTENING A RAZY VEHICLE BOGIE MAGNETIC SKATE ACTUATING ACTUATOR, BOGIE AND RAILWAY VEHICLE |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117508259B (en) * | 2023-12-26 | 2024-04-16 | 中南大学 | Rail transit vehicle magnetic track brake suspension device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2443832A1 (en) * | 1974-09-13 | 1976-03-25 | Knorr Bremse Gmbh | HANGING DEVICE FOR RAIL BRAKE MAGNETS |
| NL8802279A (en) * | 1988-09-15 | 1990-04-02 | Tebel Pneumatiek Bv | MAGNETIC RAIL BRAKE DEVICE. |
| DE29618468U1 (en) * | 1996-10-23 | 1998-02-26 | Hanning & Kahl GmbH & Co., 33813 Oerlinghausen | Elastic suspension for magnetic rail brakes |
| CN2524995Y (en) * | 2002-01-28 | 2002-12-11 | 湘潭电机股份有限公司 | Electromagnetic rail brake for light rail electric car |
| CN2839056Y (en) * | 2005-10-27 | 2006-11-22 | 黄铭清 | Emergency auxiliary brake device for rail vehicle |
-
2012
- 2012-03-15 CN CN201410223463.4A patent/CN103991459B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3066169A1 (en) * | 2017-05-15 | 2018-11-16 | Alstom Transport Technologies | DEVICE FOR FASTENING A RAZY VEHICLE BOGIE MAGNETIC SKATE ACTUATING ACTUATOR, BOGIE AND RAILWAY VEHICLE |
| EP3403897A1 (en) * | 2017-05-15 | 2018-11-21 | ALSTOM Transport Technologies | Device for attaching a cylinder for actuating a magnetic shoe of a railway vehicle bogie, associated bogie and railway vehicle |
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| Publication number | Publication date |
|---|---|
| CN103991459A (en) | 2014-08-20 |
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Owner name: SHANGHAI PANGFENG TRAFFIC EQUIPMENT TECHNOLOGY CO. Effective date: 20150414 |
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Effective date of registration: 20150414 Address after: 213025 Jiangsu Province, Changzhou city Qishuyan District Lucheng Town, Fumin Road No. 218 Building 2 Applicant after: Changzhou Pangfeng Electromechanical Science & Technology Co., Ltd. Applicant after: Shanghai Pangfeng Traffic Equipment Technology Co., Ltd. Address before: 213025 Jiangsu Province, Changzhou city Qishuyan District Lucheng Town, Fumin Road No. 218 Building 2 Applicant before: Changzhou Pangfeng Electromechanical Science & Technology Co., Ltd. |
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Address after: 213025 Jiangsu Province, Changzhou city Qishuyan District Lucheng Town, Fumin Road No. 218 Building 2 Patentee after: Changzhou Pangfeng Electromechanical Science & Technology Co., Ltd. Patentee after: China railway traffic equipment (Shanghai) Co., Ltd. Address before: 213025 Jiangsu Province, Changzhou city Qishuyan District Lucheng Town, Fumin Road No. 218 Building 2 Patentee before: Changzhou Pangfeng Electromechanical Science & Technology Co., Ltd. Patentee before: Shanghai Pangfeng Traffic Equipment Technology Co., Ltd. |
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Effective date of registration: 20181219 Address after: Twelve Blocks, 500 Shengxin South Road, Jiading District, Shanghai, 201802 Patentee after: China railway traffic equipment (Shanghai) Co., Ltd. Address before: 213025 No. 218 Fumin Road, Lucheng Town, Qishuyan District, Changzhou City, Jiangsu Province Co-patentee before: China railway traffic equipment (Shanghai) Co., Ltd. Patentee before: Changzhou Pangfeng Electromechanical Science & Technology Co., Ltd. |