CN102943830B - Hydraulic braking clamp for track traffic - Google Patents

Hydraulic braking clamp for track traffic Download PDF

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Publication number
CN102943830B
CN102943830B CN201210481020.6A CN201210481020A CN102943830B CN 102943830 B CN102943830 B CN 102943830B CN 201210481020 A CN201210481020 A CN 201210481020A CN 102943830 B CN102943830 B CN 102943830B
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oil
hole
oil cylinder
cylinder
flange
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CN201210481020.6A
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CN102943830A (en
Inventor
雷国伟
冯航
汪鹏
王阳
王磊
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CRRC Qishuyan Institute Co Ltd
CRRC Changzhou Tech Mark Industrial Co Ltd
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CRRC Qishuyan Institute Co Ltd
CSR Changzhou Tech Mark Industrial Co Ltd
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Abstract

A hydraulic braking clamp for track traffic comprises a clamp body, oil cylinders, a pair of brake pieces, two fixed pins and a braking gasket. The clamp body is provided with two face-to-face oil cylinder installing plates, each oil cylinder installing plate is provided with an oil cylinder installing hole, and the oil cylinders are installed in the oil cylinder installing holes of the corresponding oil cylinder installing plates respectively to be arranged in a face-to-face mode and are fixedly connected with the clamp body. Each oil cylinder comprises a piston and a cylinder body with a cylinder hole, wherein the piston is inserted into the cylinder hole of the oil cylinder in a sliding fit mode, and one end of the piston can extend out of the cylinder hole and abuts against one corresponding brake piece. The clamp body is provided with internal oil line holes, the cylinder bodies are provided with cylinder body oil line holes communicated with the cylinder holes, the internal oil line holes are communicated with the cylinder body oil line holes, two ends of each oil cylinder installing plate are provided with pin holes, the two fixed pins are fixed in the pin holes positioned at two ends of the oil cylinder installing plate respectively, and two ends of each brake piece are provided with installing holes, and the brake pieces are in sliding fit with the fixed pins through the installing holes. The hydraulic braking clamp is simple in structure, saves installing space and is good in braking effect.

Description

Track traffic hydraulic braking clamp
Technical field
The present invention relates to a kind of track traffic braking device, especially a kind of track traffic hydraulic braking clamp.
Background technique
Along with the fast development of national economy, urbanization process is accelerated, and resident trip also increasingly sharpens, and has higher requirement to the Security of public transport.Although dynamic braking plays increasing effect, the mode of mechanical braking must be adopted to ensure, and rail traffic vehicles stops, to guarantee traffic safety in the stopping distance of regulation when emergency braking.Brake clamp is as the important component part of mechanical braking, and its performance directly has influence on the safe operation of track traffic.Traditional hydraulic braking clamp is usually direct passes into hydraulic oil externally to piston, and clamp volume is comparatively large, installs inconvenient; And piston is contained in tong bodies, is slidably matched with tong bodies, piston reciprocating activity is is easily worn and torn tong bodies, just needs to change tong bodies when may wear to a certain degree; Traditional clamp only installs piston in the side of tong bodies, one side brake, need to be adjusted the floating structures such as device to regulate gap by lock, complex structure, response speed is slower, and lock adjusts the rate of fault of device relatively high, the braking ability of clamp can be affected when lock adjusts device to break down, thus the safety of driving can be affected.
Summary of the invention
The object of the present invention is to provide a kind of simple and compact for structure, installation and maintenance is easy, stable performance, good braking effect hydraulic braking clamp.
In order to achieve the above object, technological scheme of the present invention is: a kind of track traffic hydraulic braking clamp, comprise tong bodies, the oil cylinder of paired use, a pair brake lining, two fixing pins and two brake pads, tong bodies has two pieces of oil cylinder mounting plates arranged face-to-face, every block oil cylinder mounting plate has at least one oil cylinder mounting hole, the oil cylinder of paired use is contained in the oil cylinder mounting hole of corresponding oil cylinder mounting plate respectively, forming surface opposite is arranged, and be fixedly connected with tong bodies, oil cylinder comprises piston and has the cylinder body of cylinder holes, piston is inserted in the cylinder holes of oil cylinder with being slidably matched, one end of piston to be stretched out outside cylinder holes and to be offseted with corresponding brake lining, described tong bodies has internal oil passages hole, cylinder body has the cylinder body oil circuit hole be communicated with cylinder holes, internal oil passages hole is communicated with cylinder body oil circuit hole, the two ends of described oil cylinder mounting plate all have pin-and-hole, two fixing pins are separately fixed in the pin-and-hole at the two ends of two pieces of oil cylinder mounting plates, the two ends of each brake lining all have mounting hole, brake lining is slidably matched by mounting hole and fixing pin.
It is two right that described oil cylinder has, and the every block oil cylinder mounting plate in tong bodies all has two oil cylinder mounting holes, and two pairs of oil cylinders are contained in respective oil cylinder mounting hole respectively Face to face.
Often pair of oil cylinder mounting hole on described oil cylinder mounting plate keeps with one heart.
Described tong bodies also comprises three connecting rods, and the two ends of three connecting rods are fixedly connected with two pieces of oil cylinder mounting plates respectively.
The second internal oil passages hole that described internal oil passages hole comprises the oil inlet hole be distributed on connecting rod, the first internal oil passages hole and is distributed on oil cylinder mounting plate, oil inlet hole is communicated with the first internal oil passages hole, first internal oil passages hole is communicated with the second internal oil passages hole, and the second internal oil passages hole is communicated with cylinder body oil circuit hole.
The cylinder body of described oil cylinder has mounting flange, mounting flange has several flange mounting holes, bolt is fixedly connected with tong bodies through flange mounting hole.
Described two fixing pins are also equipped with brake pad respectively, described brake pad comprises the first brake pad and the second brake pad, first brake pad is arc shape, and there is the first inside arc fix flange and the first spacing flange, the first brake pad is fixed flange by the first arc and is installed on a fixing pin; Second brake pad comprises the second inside arc and fixes flange and the second spacing flange, second brake pad is fixed flange by the second arc and is installed on another fixing pin, the crooked radian of the first spacing flange is less than the crooked radian of the second spacing flange, and described first arc fixes flange and the second arc fixes flange all between two brake linings.
Adopt said structure, tong bodies has oil inlet hole, and inside has oil circuit hole, and hydraulic oil acts on oil cylinder by oil circuit hole, and decrease outside connection oil circuit, structure is compacter, and installing space is little, easy for installation; Oil cylinder is contained in the oil cylinder mounting hole in tong bodies, and piston is inserted in the cylinder holes of oil cylinder with being slidably matched, by oil cylinder modularization, oil cylinder and tong bodies separately, if cylinder holes wearing and tearing, only need change oil cylinder, whole tong bodies need not be changed, easy maintenance, reduce maintenance cost; Tong bodies has two pieces of oil cylinder mounting plates simultaneously, and oil cylinder is arranged in corresponding oil cylinder mounting plate respectively, and changing one side brake is bilateral braking, and do not need lock to adjust the floating structures such as device, performance is more stable, and braking effect is better.
Accompanying drawing explanation
Fig. 1 is structural perspective of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is tong bodies plan view in Fig. 1;
Fig. 4 is the plan view of Fig. 4;
Fig. 5 is the stereogram of tong bodies in Fig. 1;
Fig. 6 is the sectional view of oil cylinder in Fig. 1;
Fig. 7 is the structural perspective of the first brake pad in Fig. 1;
Fig. 8 is the structural perspective of the second brake pad in Fig. 1;
Fig. 9 is the structural representation of brake lining in Fig. 1.
Embodiment
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
See Fig. 1, 2, 3, 4, 5, 6, 7, 8, shown in 9, a kind of track traffic hydraulic braking clamp, comprise tong bodies 1, the oil cylinder 2 of paired use, a pair brake lining 3, two fixing pins 4 and two brake pads 5, tong bodies 1 has two pieces of oil cylinder mounting plate 1-1 arranged face-to-face, every block oil cylinder mounting plate 1-1 has at least one oil cylinder mounting hole 1-1-1, the oil cylinder 2 of paired use is contained in the oil cylinder mounting hole 1-1-1 of corresponding oil cylinder mounting plate 1-1 respectively, forming surface opposite is arranged, and be fixedly connected with tong bodies 1, oil cylinder 2 comprises piston 2-2 and has the cylinder body 2-1 of cylinder holes 2-1-1, piston 2-2 is inserted in the cylinder holes 2-1-1 of oil cylinder 2 with being slidably matched, one end of piston 2-2 to be stretched out outside cylinder holes 2-1-1 and to be offseted with corresponding brake lining 3, described tong bodies 1 has internal oil passages hole 1-2, cylinder body 2-1 has the cylinder body oil circuit hole 2-1-2 be communicated with cylinder holes 2-1-1, internal oil passages hole 1-2 is communicated with cylinder body oil circuit hole 2-1-2, the two ends of described oil cylinder mounting plate 1-1 all have pin-and-hole 1-1-2, two fixing pins 4 are separately fixed in the pin-and-hole 1-1-2 at the two ends of two pieces of oil cylinder mounting plate 1-1, the two ends of each brake lining 3 all have mounting hole 3-1, brake lining 3 is slidably matched by mounting hole 3-1 and fixing pin 4.
Shown in Fig. 1,3,4,5, in order to increase chucking power of the present invention, it is two right that described oil cylinder 2 has, and the every block oil cylinder mounting plate 1-1 in tong bodies 1 all has two oil cylinder mounting hole 1-1-1, and two pairs of oil cylinders 2 are contained in respective oil cylinder mounting hole 1-1-1 respectively Face to face.
Shown in Figure 3, in order to correctly install oil cylinder 2, more reliable when braking, often couple of oil cylinder mounting hole 1-1-1 on described oil cylinder mounting plate 1-1 keeps with one heart.
Shown in Fig. 1,3,4,5, in order to weight reduction, described tong bodies 1 also comprises three connecting rod 1-3, and the two ends of three connecting rod 1-3 are fixedly connected with two pieces of oil cylinder mounting plate 1-1 respectively.
Shown in Fig. 3,4, more reasonable in order to make oil channel structures arrange, described internal oil passages hole 1-2 comprises the oil inlet hole 1-2-21 be distributed on connecting rod 1-3, the first internal oil passages hole 1-2-22 and is distributed in the second internal oil passages hole 1-1-23 on oil cylinder mounting plate 1-1, oil inlet hole 1-2-21 is communicated with the first internal oil passages hole 1-2-22, first internal oil passages hole 1-2-22 is communicated with the second internal oil passages hole 1-1-23, and the second internal oil passages hole 1-1-23 is communicated with cylinder body oil circuit hole 2-1-2.
Shown in Figure 1, the cylinder body 2-1 of described oil cylinder 2 has mounting flange 2-1-3, mounting flange 2-1-3 has several flange mounting holes 2-1-31, bolt 6 is fixedly connected with tong bodies 1 through flange mounting hole 2-1-31.
Shown in Fig. 6,7,8, described two fixing pins 4 are also equipped with brake pad 5 respectively, described brake pad 5 comprises the first brake pad 5-1 and the second brake pad 5-2, first brake pad 5-1 is arc shape, and there is the first inside arc fix flange 5-1-1 and the first spacing flange 5-1-2, the first brake pad 5-1 and fix flange 5-1-1 by the first arc and be installed on a fixing pin 4, second brake pad 5-2 comprises the second inside arc and fixes flange 5-2-1 and the second spacing flange 5-2-2, second brake pad 5-2 fixes flange 5-2-1 by the second arc and is installed on another fixing pin 4, the crooked radian of the first spacing flange 5-1-2 is less than the crooked radian of the second spacing flange 5-2-2, described first arc fixes flange 5-1-1 and the second arc fixes flange 5-2-1 all between two brake linings 3, in order to brake lining has gap with fixing pin, brake pad 5 is flexible, brake lining can be blocked, reduce it to rock, noise, power simultaneously in energy buffer-braking, various flange is in order to same brake lining well coordinates.
Shown in Fig. 1,2,3,4,5,6,7, when the present invention installs and uses, tong bodies 1 has internal oil passages hole 1-2, cylinder body 2-1 has the cylinder body oil circuit hole 2-1-2 be communicated with piston cylinder holes 2-1-1, internal oil passages hole 1-2 is communicated with cylinder body oil circuit hole 2-1-2, when the hydraulic oil of internal oil passages hole 1-2 flows into cylinder body oil circuit hole 2-1-2, flow into piston cylinder holes 2-1-1 again, four piston 2-2 can be able to stretch out under oil pressure effect, export braking force, on the pressure brake lining 3 of top, two shoe brake sheets 3 are made to realize braking with rubbing with brake disc; Fixing pin 4 provides guiding fixation to brake lining 3, and it is long and come off that the first brake pad 5-1 and the second brake pad 5-2 can prevent piston 2-2 from stretching out stroke.

Claims (7)

1. a track traffic hydraulic braking clamp, it is characterized in that: comprise tong bodies (1), the oil cylinder (2) of paired use, a pair brake lining (3) and two fixing pins (4), tong bodies (1) has two pieces of oil cylinder mounting plates (1-1) arranged face-to-face, every block oil cylinder mounting plate (1-1) has at least one oil cylinder mounting hole (1-1-1), the oil cylinder (2) of paired use is contained in the oil cylinder mounting hole (1-1-1) of corresponding oil cylinder mounting plate (1-1) respectively, and be fixedly connected with tong bodies (1), oil cylinder (2) comprises piston (2-2) and has the cylinder body (2-1) of cylinder holes (2-1-1), piston (2-2) is inserted in the cylinder holes (2-1-1) of oil cylinder (2) with being slidably matched, one end of piston (2-2) to be stretched out outside cylinder holes (2-1-1) and to be offseted with corresponding brake lining (3), described tong bodies (1) has internal oil passages hole (1-2), cylinder body (2-1) has the cylinder body oil circuit hole (2-1-2) be communicated with cylinder holes (2-1-1), internal oil passages hole (1-2) is communicated with cylinder body oil circuit hole (2-1-2), the two ends of described oil cylinder mounting plate (1-1) all have pin-and-hole (1-1-2), two fixing pins (4) are separately fixed in the pin-and-hole (1-1-2) at the two ends of two pieces of oil cylinder mounting plates (1-1), the two ends of each brake lining (3) all have mounting hole (3-1), brake lining (3) is slidably matched by mounting hole (3-1) and fixing pin (4).
2. track traffic hydraulic braking clamp according to claim 1, it is characterized in that: it is two right that described oil cylinder (2) has, every block oil cylinder mounting plate (1-1) in tong bodies (1) all has two oil cylinder mounting holes (1-1-1), and two pairs of oil cylinders (2) are contained in respective oil cylinder mounting hole (1-1-1) respectively Face to face.
3. track traffic hydraulic braking clamp according to claim 2, is characterized in that: often pair of oil cylinder mounting hole (1-1-1) on described oil cylinder mounting plate (1-1) keeps with one heart.
4. track traffic hydraulic braking clamp according to claim 1, is characterized in that: described tong bodies (1) also comprises three connecting rods (1-3), and the two ends of three connecting rods (1-3) are fixedly connected with two pieces of oil cylinder mounting plates (1-1) respectively.
5. track traffic hydraulic braking clamp according to claim 4, it is characterized in that: described internal oil passages hole (1-2) comprises the oil inlet hole (1-2-21) be distributed on connecting rod (1-3), first internal oil passages hole (1-2-22) and the second internal oil passages hole (1-1-23) be distributed on oil cylinder mounting plate (1-1), oil inlet hole (1-2-21) is communicated with the first internal oil passages hole (1-2-22), first internal oil passages hole (1-2-22) is communicated with the second internal oil passages hole (1-1-23), second internal oil passages hole (1-1-23) is communicated with cylinder body oil circuit hole (2-1-2).
6. track traffic hydraulic braking clamp according to claim 1, it is characterized in that: the cylinder body (2-1) of described oil cylinder (2) has mounting flange (2-1-3), mounting flange (2-1-3) has several flange mounting holes (2-1-31), bolt (6) is fixedly connected with tong bodies (1) through flange mounting hole (2-1-31).
7. track traffic hydraulic braking clamp according to claim 1, it is characterized in that: described two fixing pins (4) are also equipped with brake pad (5) respectively, described brake pad (5) comprises the first brake pad (5-1) and the second brake pad (5-2), first brake pad (5-1) is arc shape, and there is the first inside arc fix flange (5-1-1) and the first spacing flange (5-1-2), the first brake pad (5-1) is fixed flange (5-1-1) by the first arc and is installed on a fixing pin (4); Second brake pad (5-2) comprises the second inside arc and fixes flange (5-2-1) and the second spacing flange (5-2-2), second brake pad (5-2) is fixed flange (5-2-1) by the second arc and is installed on another fixing pin (4), the crooked radian of the first spacing flange (5-1-2) is less than the crooked radian of the second spacing flange (5-2-2), and described first arc is fixed flange (5-1-1) and the second arc and fixed flange (5-2-1) and be all positioned between two brake linings (3).
CN201210481020.6A 2012-11-23 2012-11-23 Hydraulic braking clamp for track traffic Active CN102943830B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210481020.6A CN102943830B (en) 2012-11-23 2012-11-23 Hydraulic braking clamp for track traffic

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Application Number Priority Date Filing Date Title
CN201210481020.6A CN102943830B (en) 2012-11-23 2012-11-23 Hydraulic braking clamp for track traffic

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CN102943830B true CN102943830B (en) 2015-06-17

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105065509B (en) * 2015-09-09 2017-05-10 安徽工程大学 Floating caliper disc type brake device capable of being limited
CN105291044B (en) * 2015-10-30 2017-07-07 常州南车铁马科技实业有限公司 EMUs brake clamp brake lining replacing options and brake lining change instrument
CN111845837A (en) * 2019-04-29 2020-10-30 常州中车铁马科技实业有限公司 Braking clamp device, variable-track-pitch bogie and railway vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090043187A (en) * 2007-10-29 2009-05-06 주식회사 만도 Disk brake for vehicle
CN201487091U (en) * 2009-08-11 2010-05-26 宁波鑫云制动机械有限公司 Brake calipers
CN101929513A (en) * 2009-06-23 2010-12-29 本田技研工业株式会社 The opposed piston caliper
CN101943232A (en) * 2010-08-23 2011-01-12 北京科技大学 Caliper disc brake for rear axle of electric drive car for mine
CN203176230U (en) * 2012-11-23 2013-09-04 常州南车铁马科技实业有限公司 Hydraulic brake clamp for rail transit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090043187A (en) * 2007-10-29 2009-05-06 주식회사 만도 Disk brake for vehicle
CN101929513A (en) * 2009-06-23 2010-12-29 本田技研工业株式会社 The opposed piston caliper
CN201487091U (en) * 2009-08-11 2010-05-26 宁波鑫云制动机械有限公司 Brake calipers
CN101943232A (en) * 2010-08-23 2011-01-12 北京科技大学 Caliper disc brake for rear axle of electric drive car for mine
CN203176230U (en) * 2012-11-23 2013-09-04 常州南车铁马科技实业有限公司 Hydraulic brake clamp for rail transit

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Address after: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19

Co-patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd.

Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd.

Address before: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19

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