CN102627113B - Suspension device for electromagnetic track brake for light rail vehicle - Google Patents
Suspension device for electromagnetic track brake for light rail vehicle Download PDFInfo
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- CN102627113B CN102627113B CN201210067955.XA CN201210067955A CN102627113B CN 102627113 B CN102627113 B CN 102627113B CN 201210067955 A CN201210067955 A CN 201210067955A CN 102627113 B CN102627113 B CN 102627113B
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- lock sleeve
- screw mandrel
- elastic nut
- clip
- suspension
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Abstract
The invention provides a suspension device for an electromagnetic track brake for a light rail vehicle. The suspension device comprises an end cover, a regulation screw rod, a suspension spring, a spring tray, a flat gasket, an upper elastic nut, a disc-shaped gasket, a bolt, a dustproof cover, a suspension tray, a spherical gasket and a lower elastic nut; the structural characteristic lies in the fact that the suspension device further comprises an upper clamp, a lower clamp, a locking nut and an opening pin; the upper clamp and the lower clamp respectively clamp and fix an upper port and a lower port of the dustproof cover on the upper elastic nut and the suspension tray; the locking nut is arranged below the lower elastic nut and fixes the locking sleeve by the opening pin on the screw rod. According to the suspension device provided by the invention, as the upper clamp and the lower clamp are additionally arranged, the dustproof and waterproof performances are improved much, the service life of the suspension device is prolonged, the maintenance workload and the use cost of equipment are reduced; and due to the additional arrangement of the locking nut, the safety performance of the device is improved, and the safety accidents are effectively avoided.
Description
Technical field
The present invention relates to guideway vehicle electromagnetic path drg field, be specifically related to the suspension gear of low-floor light rail vehicle electromagnetic path drg.
Background technology
Apply at present the suspension gear of the electromagnetic path drg employing of low-floor light rail vehicle, mainly by adjusting screw mandrel, pendulum spring, the formation such as dust boot and elastic nut, but existing suspension gear exists the problem of two aspects: the one, and the length two ends less and dust boot of adjusting the bellows at screw mandrel middle part itself do not have anchor fitting to make its location, dust boot can not cover the screw thread at adjusting screw middle part 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 will be out of shape contraction, cause the adjusting screw screw thread of more growing 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 is mixed mutually, greatly shorten the service life of aluminium cream, increase maintenance workload and the use cost of electromagnetic path drg relevant device, the 2nd, the joint parts such as the elastic nut of suspension gear lower end in use, under the vibration causing at track irregularity and impact effect, easily occur loosening, and easily down get loose under electromagnet Action of Gravity Field, the gap smaller at the electromagnet while causing off working state and track top, even contacts with track when serious, collides and cause safety misadventure.
Summary of the invention
The object of the invention is: overcome problems of the prior art and deficiency, a kind of low-floor light rail vehicle electromagnetic path drg suspension gear with dustproof and anti-loose function is provided.
Technical scheme of the present invention is: a kind of light rail vehicle electromagnetic path drg suspension gear, comprise the 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 that set gradually from top to bottom, 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 to be adjusted on screw mandrel; Dust boot has upper port and lower port; The lower end of adjusting 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 and is hung on pallet by the next clip; Above-mentioned lock sleeve is arranged at the below of the next elastic nut, and lock sleeve is provided with the pin-and-hole of perforation, and above-mentioned spring cotter is fixed on lock sleeve to adjust on screw mandrel through the pin-and-hole on the pin-and-hole on lock sleeve and adjustment screw mandrel.
Further scheme is: above-mentioned upper clip and the next clip are the adjustable clip of screw, forms by annular resilient steel disc main body and screw.
Further scheme is: above-mentioned lock sleeve is steel integral piece, the cylinder connection one that lock sleeve is differed by left and right two sections of external diameters forms, 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.The present invention has positive effect: (1) suspension gear of the present invention has increased clip at the two ends of dust boot, dust boot is connected with the elastic nut of upper end and the suspension pallet of lower end, thereby avoid the defect of the Length Contraction that dust boot causes due to fatigue of material and Action of Gravity Field, and ensure that as much as possible the antisticking aluminium cream of adjusting wire rod thread part is not subject to steam and contamination by dust, thereby extended the service life of installing, reduce plant maintenance work capacity and use cost.(2) suspension gear of the present invention is in the lower end of the next elastic nut, increase with spring cotter connection and be fixed on the lock sleeve of adjusting on screw mandrel, effectively avoid in use due to vibration, impacted the next elastic nut the causing phenomenon that gets loose, improve the safety performance of device, effectively avoided the generation of safety misadventure.
Brief description of the drawings
Fig. 1 is light rail vehicle electromagnetic path drg suspension gear structural representation of the prior art;
Fig. 2 is light rail vehicle electromagnetic path drg suspension gear structural representation of the present invention.
Reference numeral in above-mentioned accompanying drawing is as follows:
End cap 1, adjusts 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 is in to the description of detailed description of the invention, taking the right-hand top in describing of Fig. 2, the below taking the left of Fig. 2 in describing.
(embodiment 1)
See Fig. 2, the light rail vehicle electromagnetic path drg suspension gear 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 that wherein upper cylinder external diameter is relatively large by two sections of different hollow structures that cylinder one forms of external diameter, and length is relatively short.The centre hole of end cap 1 is negative thread cylindrical hole.
Adjust the high strength that screw mandrel 2 is strip shape and roll corrosion-resistant steel double-screw bolt, adjust the diameter of thread of screw mandrel 2 and the tapped through hole of end cap and match.The bottom of adjusting screw mandrel 2 is provided with outer-hexagonal boss and pin-and-hole, adjusts screw mandrel 2 before installation, all need to coat at screw thread position antisticking aluminium cream.Adjusting screw mandrel 2 utilizes its upper end screw thread to match with the negative thread cylindrical hole of end cap 1, screw the negative thread cylindrical hole of inlet side lid 1 from the lower end of end cap 1, until the upper surface of adjusting screw mandrel 2 apart from about upper surface 5mm of end cap 1 and do not exceed the upper surface of end cap 1, then adopts welding process that both are 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 in to be adjusted on screw mandrel 2, and the upper surface of pendulum spring 3 abuts against on the lower surface of upper cylinder of end cap 1.
Spring tray 4 is steel integral piece, spring tray 4 is by two sections of different hollow structures that cylinder forms of external diameter, 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 adjusting screw mandrel 2; Larger-size spring tray 4 one end is packed into in adjustment screw mandrel 2 until unthreaded hole bottom boss upward to contact with the lower section of pendulum spring 3.Spring tray 4 matches 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 upper cylinder of the external diameter of flat shim 5 and 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.
The steel construction piece with hexagonal boss and elastic groove that upper elastic nut 6 is particular design, its center is provided with negative thread cylindrical hole, and this negative thread matches with the outside thread of adjusting screw mandrel 2.Upper elastic nut 6 is adjusted screw mandrel 2 from downside precession, until aforesaid flat shim 5 is close in its upper surface.Dish-like pad 7 and bolt 8 are arranged on the mounting hole of upper elastic nut 6 correspondences, by dish-like pad 7 and bolt 8 are applied to specified moment of torsion, can realize upper elastic nut 6 is fastened on to the object of adjusting on screw mandrel 2.
The oil proof rubber part that dust boot 10 is hollow, 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 upper elastic nut 6 lower end boss.
Hanging pallet 12 be high-strength engineering plastic framing member, and two sections of cylinders being differed by external diameter of suspension pallet 12 form, Center through hole and on lower surface design spherical groove, through-hole aperture is a bit larger tham the diameter of 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 that hangs pallet 12 matches with dust protecting cap 10, and the hypomere cylindrical tube of dust boot 10 is sleeved on the upper end boss that hangs pallet 12.The lower end sphere that hangs pallet 12 matches with spherical pad 13.
Spherical pad 13 is circular steel framing member, and center is that diameter is a bit larger tham the through hole of adjusting screw mandrel 2 diameters, and upper surface is sphere boss, and lower end is smooth flat.Spherical pad 13 packs into and adjusts screw mandrel 2 from downside, and sphere boss and the spherical groove that hangs pallet 12 lower ends are matched.
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 structures.
On the epimere cylindrical tube of aforesaid dust boot 10, be provided with upper clip 9, for dust boot 10 and upper elastic nut 6 are tightened together.Upper clip 9 belongs to the adjustable clip of screw, and main body and the screw be made up of annular resilient steel disc form.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 tubes, and by adjusting screw, shrinks annular steel disc, dust boot epimere is pressed 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 are 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 one that lock sleeve 15 is differed by upper and lower two sections of external diameters forms, and its interior bone is divided into three sections, is followed successively by from top to bottom large inner hexagonal hole, cylindrical hole and little inner hexagonal hole.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 ends 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 adjusting screw mandrel 2 lower ends.When installation, lock sleeve 15 is packed into and adjusts screw mandrel 2, make the outer-hexagonal boss clamping of large inner hexagonal hole and the next elastic nut 14 of lock sleeve 15, and the radially pin-and-hole that ensures lock sleeve 15 lower ends is relative with the pin-and-hole on adjustment screw mandrel 2, inject again spring cotter 16, thereby lock sleeve 15 is fixed on and is adjusted on screw mandrel 2.
The light rail vehicle electromagnetic path drg suspension gear of the present embodiment is applicable to low-floor light rail vehicle.
The light rail vehicle electromagnetic path drg suspension gear of the present embodiment is owing to having increased upper clip 9 in the upper port of dust boot 10, increased the next clip 11 in the lower port of dust boot 10, thereby dust boot 10 in use avoids being subject to due to the antisticking aluminium cream that the Length Contraction that fatigue of material and Action of Gravity Field cause causes adjusting wire rod thread part 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, thereby overcome in use due to vibration, impact the next elastic nut 14 the causing safety hazard bringing that gets loose.In the time that needs are manually adjusted the height (also adjusting the height that hangs pallet 12) of brake electromagnet, only lock sleeve and spring cotter need to be unloaded, 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 variation and obtain the corresponding technical scheme being equal to, therefore all technical schemes that are equal to all should be included into scope of patent protection of the present invention.
Claims (3)
1. a light rail vehicle electromagnetic path drg suspension gear, comprise the 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), suspension pallet (12), spherical pad (13) and the next elastic nut (14) that set gradually from top to bottom, 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 adjusting 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 and is hung on pallet (12) by the next clip (11); Described lock sleeve (15) is arranged at the below of the next elastic nut (14); Lock sleeve (15) is provided with the pin-and-hole of perforation; Described spring cotter (16) is fixed on lock sleeve (15) to adjust on screw mandrel (2) through the pin-and-hole on the pin-and-hole on lock sleeve (15) and adjustment screw mandrel (2).
2. light rail vehicle electromagnetic path drg suspension gear according to claim 1, is characterized in that: described upper clip (9) and the next clip (11) are the adjustable clip of screw, forms by annular resilient steel disc main body and screw.
3. light rail vehicle electromagnetic path drg suspension gear according to claim 1, it is characterized in that: described lock sleeve (15) is steel integral piece, the cylinder connection one that lock sleeve (15) is differed by upper and lower two sections of external diameters forms, 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 (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 |
Applications Claiming Priority (1)
| 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 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410223463.4A Division CN103991459B (en) | 2012-03-15 | 2012-03-15 | The suspension gear of electromagnetic track brake for light rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102627113A CN102627113A (en) | 2012-08-08 |
| CN102627113B true CN102627113B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210067955.XA Active CN102627113B (en) | 2012-03-15 | 2012-03-15 | Suspension device for electromagnetic track brake for light rail vehicle |
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| CN (1) | CN102627113B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494636B (en) * | 2014-12-11 | 2017-05-10 | 上海庞丰交通设备科技有限公司 | Suspension device for electromagnetic track brake of track traffic vehicle |
| CN117508259B (en) * | 2023-12-26 | 2024-04-16 | 中南大学 | Rail transit vehicle magnetic track brake suspension device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2284498A1 (en) * | 1974-09-13 | 1976-04-09 | Knorr Bremse Gmbh | SUSPENSION DEVICE FOR THE MAGNETS OF A BRAKE ON RAILS |
| US5018605A (en) * | 1988-09-15 | 1991-05-28 | Tebel Pneumatiek B.V. | Magnetic rail brake device |
| DE29618468U1 (en) * | 1996-10-23 | 1998-02-26 | Hanning & Kahl Gmbh & Co | Elastic suspension for magnetic rail brakes |
| CN202624263U (en) * | 2012-03-15 | 2012-12-26 | 常州庞丰机电科技有限公司 | Brake suspension device for electromagnetic rails of light rail vehicle |
-
2012
- 2012-03-15 CN CN201210067955.XA patent/CN102627113B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2284498A1 (en) * | 1974-09-13 | 1976-04-09 | Knorr Bremse Gmbh | SUSPENSION DEVICE FOR THE MAGNETS OF A BRAKE ON RAILS |
| US5018605A (en) * | 1988-09-15 | 1991-05-28 | Tebel Pneumatiek B.V. | Magnetic rail brake device |
| DE29618468U1 (en) * | 1996-10-23 | 1998-02-26 | Hanning & Kahl Gmbh & Co | Elastic suspension for magnetic rail brakes |
| CN202624263U (en) * | 2012-03-15 | 2012-12-26 | 常州庞丰机电科技有限公司 | Brake suspension device for electromagnetic rails of light rail vehicle |
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| CN102627113A (en) | 2012-08-08 |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yao Xuerong Inventor after: Li Cheng Inventor after: Wu Donghua Inventor after: Wang Xiaodong Inventor before: Wu Mengling Inventor before: Yao Xuerong Inventor before: Zeng Xianhua Inventor before: Li Cheng |
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Free format text: CORRECT: INVENTOR; FROM: WU MENGLING YAO XUERONG CENG XIANHUA LI CHENG TO: YAO XUERONG LI CHENG WU DONGHUA WANG XIAODONG |
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Owner name: SHANGHAI PANGFENG TRAFFIC EQUIPMENT TECHNOLOGY CO. Effective date: 20150407 |
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Effective date of registration: 20150407 Address after: Changzhou City, Jiangsu province 213000 Fumin road Changzhou City, No. 218 Building 2 Patentee after: Changzhou Pangfeng Electromechanical Science & Technology Co., Ltd. Patentee after: Shanghai Pangfeng Traffic Equipment Technology Co., Ltd. Address before: Changzhou City, Jiangsu province 213000 Fumin road Changzhou City, No. 218 Building 2 Patentee before: Changzhou Pangfeng Electromechanical Science & Technology Co., Ltd. |
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Address after: Changzhou City, Jiangsu province 213000 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: Changzhou City, Jiangsu province 213000 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: 20190117 Address after: Twelve Blocks, 500 Shengxin South Road, Jiading District, Shanghai, 201802 Patentee after: China railway traffic equipment (Shanghai) Co., Ltd. Address before: 213000 No. 218 Fumin Road, Changzhou City, Jiangsu Province Co-patentee before: China railway traffic equipment (Shanghai) Co., Ltd. Patentee before: Changzhou Pangfeng Electromechanical Science & Technology Co., Ltd. |
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