CN102943830A - Hydraulic braking clamp for track traffic - Google Patents

Hydraulic braking clamp for track traffic Download PDF

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Publication number
CN102943830A
CN102943830A CN2012104810206A CN201210481020A CN102943830A CN 102943830 A CN102943830 A CN 102943830A CN 2012104810206 A CN2012104810206 A CN 2012104810206A CN 201210481020 A CN201210481020 A CN 201210481020A CN 102943830 A CN102943830 A CN 102943830A
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China
Prior art keywords
hole
oil
oil cylinder
cylinder
flange
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CN2012104810206A
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Chinese (zh)
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CN102943830B (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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Publication of CN102943830A publication Critical patent/CN102943830A/en
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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 the Security of public transport is had higher requirement.Although increasing effect is being brought into play in dynamic braking, when emergency braking, must adopt the mode of mechanical braking to guarantee that rail traffic vehicles stops in the stopping distance of regulation, to guarantee traffic safety.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 directly passes into hydraulic oil from the outside to piston usually, and the clamp volume is larger, installs inconvenient; And piston is contained in the tong bodies, is slidingly matched with tong bodies, and the movable easily wearing and tearing of piston reciprocating tong bodies just needs to change tong bodies when may wear to a certain degree; Traditional clamp is only installed piston in a side of tong bodies, one side brake, need to transfer by lock the floating structures such as device to regulate the gap, complex structure, response speed is slower, and lock transfers the rate of fault of device relatively high, can affect the braking ability of clamp when lock transfers device to break down, thereby can affect the safety of driving.
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, the hydraulic braking clamp of stable performance, good braking effect.
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 that uses in pairs, a pair of brake lining, two fixing pins and two brake pads, tong bodies has two oil cylinder mounting plates of arranging face-to-face, has at least one oil cylinder mounting hole on the every oil cylinder mounting plate, the oil cylinder that uses in pairs is contained in respectively in the oil cylinder mounting hole of corresponding oil cylinder mounting plate, form face-to-face and arrange, and be fixedly connected with tong bodies, oil cylinder comprises piston and has the cylinder body in cylinder hole, piston is inserted in the cylinder hole of oil cylinder with being slidingly matched, one end of piston can stretch out outside the cylinder hole and with corresponding brake lining and offset, has the internal oil passages hole on the described tong bodies, has the cylinder body oil circuit hole that is communicated with the cylinder hole on the cylinder body, internal oil passages hole and cylinder body oil circuit hole are communicated with, 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 two ends of two oil cylinder mounting plates, the two ends of each brake lining all have mounting hole, and brake lining is slidingly matched by mounting hole and fixing pin.
Described oil cylinder has two pairs, all has two oil cylinder mounting holes on the every oil cylinder mounting plate on the tong bodies, and the two pairs of oil cylinders are contained in respectively in separately the oil cylinder mounting hole Face to face.
Every pair of oil cylinder mounting hole on the 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 oil cylinder mounting plates respectively.
Described internal oil passages hole comprises oil inlet hole, the first internal oil passages hole that is distributed on the connecting rod and is distributed in the second internal oil passages hole on the oil cylinder mounting plate, oil inlet hole is communicated with the first internal oil passages hole, the 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.
Have mounting flange on the cylinder body of described oil cylinder, have several flange mounting holes on the mounting flange, bolt passes flange mounting hole and is fixedly connected with tong bodies.
On described two fixing pins brake pad is housed respectively also, described brake pad comprises the first brake pad and the second brake pad, the first brake pad is arc shape, and have the first inside arc fixedly flange and the first spacing flange, the first brake pad by the first arc fixedly flange be installed on the fixing pin; The second brake pad comprises the second inside arc fixedly flange and the second spacing flange, the second brake pad by the second arc fixedly flange be installed on another fixing pin, the crooked radian of the first spacing flange is less than the crooked radian of the second spacing flange, described the first arc fixedly flange and the second arc fixedly flange all between two brake linings.
Adopt said structure, tong bodies has oil inlet hole, and inside has the oil circuit hole, and hydraulic oil acts on oil cylinder by the oil circuit hole, has reduced outside connection oil circuit, and structure is compacter, and installing space is little, and is easy for installation; Oil cylinder is contained in the oil cylinder mounting hole on the tong bodies, and piston is inserted in the cylinder hole of oil cylinder, with the oil cylinder modularization with being slidingly matched, oil cylinder and tong bodies separately if wear and tear in the cylinder hole, only need to change oil cylinder, need not change whole tong bodies, easy maintenance has reduced maintenance cost; Tong bodies has two oil cylinder mounting plates simultaneously, and oil cylinder is installed in respectively in the corresponding oil cylinder mounting plate, and changing one side brake is bilateral braking, does not need lock to transfer the floating structures such as device, and performance is more stable, and braking effect is better.
Description of drawings
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 among Fig. 1;
Fig. 4 is the plan view of Fig. 4;
Fig. 5 is the stereogram of tong bodies among Fig. 1;
Fig. 6 is the sectional view of oil cylinder among Fig. 1;
Fig. 7 is the structural perspective of the first brake pad among Fig. 1;
Fig. 8 is the structural perspective of the second brake pad among Fig. 1;
Fig. 9 is the structural representation of brake lining among Fig. 1.
Embodiment
The present invention is further detailed explanation below in conjunction with embodiment that accompanying drawing provides.
Referring to 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 that uses in pairs, a pair of brake lining 3, two fixing pins 4 and two brake pads 5, tong bodies 1 has two oil cylinder mounting plate 1-1 that arrange face-to-face, has at least one oil cylinder mounting hole 1-1-1 on the every oil cylinder mounting plate 1-1, the oil cylinder 2 that uses in pairs is contained in respectively among the oil cylinder mounting hole 1-1-1 of corresponding oil cylinder mounting plate 1-1, form face-to-face and arrange, and be fixedly connected with tong bodies 1, oil cylinder 2 comprises piston 2-2 and has the cylinder body 2-1 of cylinder hole 2-1-1, piston 2-2 is inserted among the cylinder hole 2-1-1 of oil cylinder 2 with being slidingly matched, the end of piston 2-2 can stretch out outside the 2-1-1 of cylinder hole and with corresponding brake lining 3 and offset, has internal oil passages hole 1-2 on the described tong bodies 1, has the cylinder body oil circuit hole 2-1-2 that is communicated with cylinder hole 2-1-1 on the cylinder body 2-1, internal oil passages hole 1-2 and cylinder body oil circuit hole 2-1-2 are communicated with, 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 among the pin-and-hole 1-1-2 at two ends of two oil cylinder mounting plate 1-1, the two ends of each brake lining 3 all have mounting hole 3-1, and brake lining 3 is slidingly 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, described oil cylinder 2 has two pairs, all has two oil cylinder mounting hole 1-1-1 on the every oil cylinder mounting plate 1-1 on the tong bodies 1, and the two pairs of oil cylinders 2 are contained in respectively among separately the oil cylinder mounting hole 1-1-1 Face to face.
Referring to shown in Figure 3, more reliable when braking for oil cylinder 2 can correctly be installed, every couple of oil cylinder mounting hole 1-1-1 on the described oil cylinder mounting plate 1-1 keeps with one heart.
Shown in Fig. 1,3,4,5, for 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 oil cylinder mounting plate 1-1 respectively.
Shown in Fig. 3,4, it is more reasonable for oil channel structures is arranged, described internal oil passages hole 1-2 comprises oil inlet hole 1-2-21, the first internal oil passages hole 1-2-22 that is distributed on the connecting rod 1-3 and is distributed in the second internal oil passages hole 1-1-23 on the oil cylinder mounting plate 1-1, oil inlet hole 1-2-21 is communicated with the first internal oil passages hole 1-2-22, the 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.
Referring to shown in Figure 1, have mounting flange 2-1-3 on the cylinder body 2-1 of described oil cylinder 2, have several flange mounting holes 2-1-31 on the mounting flange 2-1-3, bolt 6 passes flange mounting hole 2-1-31 and is fixedly connected with tong bodies 1.
Shown in Fig. 6,7,8, on described two fixing pins 4 brake pad 5 is housed respectively also, described brake pad 5 comprises the first brake pad 5-1 and the second brake pad 5-2, the first brake pad 5-1 is arc shape, and have the first inside arc fixedly flange 5-1-1 and the first spacing flange 5-1-2, the first brake pad 5-1 by the first arc fixedly flange 5-1-1 be installed on the fixing pin 4; The second brake pad 5-2 comprises the second inside arc fixedly flange 5-2-1 and the second spacing flange 5-2-2, the second brake pad 5-2 by the second arc fixedly flange 5-2-1 be 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 the first arc fixedly flange 5-1-1 and the second arc fixedly flange 5-2-1 all between two brake linings 3, for brake lining gapped with fixing pin, brake pad 5 is flexible, can block brake lining, reducing it rocks, noise, the simultaneously power in the energy buffer-braking; Various flange are in order well to cooperate with brake lining.
Shown in Fig. 1,2,3,4,5,6,7, when the present invention installs and uses, has internal oil passages hole 1-2 on the tong bodies 1, has the cylinder body oil circuit hole 2-1-2 that is communicated with piston cylinder hole 2-1-1 on the cylinder body 2-1, internal oil passages hole 1-2 and cylinder body oil circuit hole 2-1-2 are communicated with, hydraulic oil inflow cylinder body oil circuit hole 2-1-2 as internal oil passages hole 1-2, flow into again piston cylinder hole 2-1-1, four piston 2-2 can stretch out under the oil pressure effect, output braking force, press on the brake lining 3 on the top, makes two shoe brake sheets 3 with realizing braking with the brake disc friction; Fixing pin 4 provides the guiding fixation for 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 that piston 2-2 from stretching out stroke.

Claims (7)

1. track traffic hydraulic braking clamp, it is characterized in that: comprise tong bodies (1), the oil cylinder (2) that uses in pairs, a pair of brake lining (3) and two fixing pins (4), tong bodies (1) has two oil cylinder mounting plates (1-1) of arranging face-to-face, has at least one oil cylinder mounting hole (1-1-1) on the every oil cylinder mounting plate (1-1), the oil cylinder (2) that uses in pairs is contained in respectively in the oil cylinder mounting hole (1-1-1) of corresponding oil cylinder mounting plate (1-1), and be fixedly connected with tong bodies (1), oil cylinder (2) comprises piston (2-2) and has the cylinder body (2-1) of cylinder hole (2-1-1), piston (2-2) is inserted in the cylinder hole (2-1-1) of oil cylinder (2) with being slidingly matched, one end of piston (2-2) can stretch out outside the cylinder hole (2-1-1) and with corresponding brake lining (3) and offset, has internal oil passages hole (1-2) on the described tong bodies (1), has the cylinder body oil circuit hole (2-1-2) that is communicated with cylinder hole (2-1-1) on the cylinder body (2-1), internal oil passages hole (1-2) and cylinder body oil circuit hole (2-1-2) are communicated with, 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 two ends of two oil cylinder mounting plates (1-1), the two ends of each brake lining (3) all have mounting hole (3-1), and brake lining (3) is slidingly matched by mounting hole (3-1) and fixing pin (4).
2. track traffic according to claim 1 hydraulic braking clamp, it is characterized in that: described oil cylinder (2) has two pairs, all have two oil cylinder mounting holes (1-1-1) on the every oil cylinder mounting plate (1-1) on the tong bodies (1), two pairs of oil cylinders (2) are contained in respectively in separately the oil cylinder mounting hole (1-1-1) Face to face.
3. track traffic according to claim 2 hydraulic braking clamp is characterized in that: the every pair of oil cylinder mounting hole (1-1-1) on the described oil cylinder mounting plate (1-1) keeps with one heart.
4. track traffic according to claim 1 hydraulic braking clamp, it is characterized in that: described tong bodies (1) also comprises three connecting rods (1-3), the two ends of three connecting rods (1-3) are fixedly connected with two oil cylinder mounting plates (1-1) respectively.
5. track traffic according to claim 4 hydraulic braking clamp, it is characterized in that: described internal oil passages hole (1-2) comprises the oil inlet hole (1-2-21) that is distributed on the connecting rod (1-3), the first internal oil passages hole (1-2-22) and be distributed in the second internal oil passages hole (1-1-23) on the oil cylinder mounting plate (1-1), oil inlet hole (1-2-21) is communicated with the first internal oil passages hole (1-2-22), the 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).
6. track traffic according to claim 1 hydraulic braking clamp, it is characterized in that: have mounting flange (2-1-3) on the cylinder body (2-1) of described oil cylinder (2), have several flange mounting holes (2-1-31) on the mounting flange (2-1-3), bolt (6) passes flange mounting hole (2-1-31) and is fixedly connected with tong bodies (1).
7. track traffic according to claim 1 hydraulic braking clamp, it is characterized in that: brake pad (5) also is housed respectively on described two fixing pins (4), described brake pad (5) comprises the first brake pad (5-1) and the second brake pad (5-2), the first brake pad (5-1) is arc shape, and have the first inside arc fixedly flange (5-1-1) and the first spacing flange (5-1-2), the first brake pad (5-1) by the first arc fixedly flange (5-1-1) be installed on the fixing pin (4); The second brake pad (5-2) comprises the second inside arc fixedly flange (5-2-1) and the second spacing flange (5-2-2), the second brake pad (5-2) by the second arc fixedly flange (5-2-1) be 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 the first arc fixedly flange (5-1-1) and the second arc fixedly flange (5-2-1) all be 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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CN102943830A true CN102943830A (en) 2013-02-27
CN102943830B CN102943830B (en) 2015-06-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105065509A (en) * 2015-09-09 2015-11-18 安徽工程大学 Floating caliper disc type brake device capable of being limited
CN105291044A (en) * 2015-10-30 2016-02-03 常州南车铁马科技实业有限公司 Replacing method for motor train unit braking clamp brake pad and replacing tool for brake pad
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105065509A (en) * 2015-09-09 2015-11-18 安徽工程大学 Floating caliper disc type brake device capable of being limited
CN105065509B (en) * 2015-09-09 2017-05-10 安徽工程大学 Floating caliper disc type brake device capable of being limited
CN105291044A (en) * 2015-10-30 2016-02-03 常州南车铁马科技实业有限公司 Replacing method for motor train unit braking clamp brake pad and replacing tool for brake pad
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

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