CN206550568U - A kind of steel rail clamping device - Google Patents

A kind of steel rail clamping device Download PDF

Info

Publication number
CN206550568U
CN206550568U CN201720229548.2U CN201720229548U CN206550568U CN 206550568 U CN206550568 U CN 206550568U CN 201720229548 U CN201720229548 U CN 201720229548U CN 206550568 U CN206550568 U CN 206550568U
Authority
CN
China
Prior art keywords
clamping
rail
clamp
roller
support seat
Prior art date
Application number
CN201720229548.2U
Other languages
Chinese (zh)
Inventor
高伟
于渤
万斌
陈贵琳
凌沛洪
朱昆鹏
常彦龙
童玉斌
陈云峰
许建学
牛小革
孟志常
曹文彬
刘震
李宗泽
马海忠
查娟
张文海
张路军
方祖忠
Original Assignee
上海瑞纽机械股份有限公司
兰州铁路局兰州工务机械段
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海瑞纽机械股份有限公司, 兰州铁路局兰州工务机械段 filed Critical 上海瑞纽机械股份有限公司
Priority to CN201720229548.2U priority Critical patent/CN206550568U/en
Application granted granted Critical
Publication of CN206550568U publication Critical patent/CN206550568U/en

Links

Abstract

The utility model discloses a kind of steel rail clamping device, including frame assembly, back-up roller wheel component and clamp assembly, back-up roller wheel component and clamp assembly are on frame assembly, weight of the back-up roller wheel component to undertake rail, and clamp assembly is to clamp rail.The utility model is not only using more convenient, effective and reliable, additionally it is possible to improve the precision and passing rate of processing when rail is processed.

Description

A kind of steel rail clamping device
Technical field
The utility model is related to rail welding process technology, more specifically to a kind of steel rail clamping device.
Background technology
With the fast development of Chinese motor-car high ferro, more and more higher is also required that to the rail quality of live laying, this is just It is required that rail will improve crudy on welding base of the rail production line when each station is processed, such as thick polishing station, essence Miller position, the process equipment reaches 0.01mm ranks to rail machining accuracy, it is therefore desirable to can be obtained when rail is processed One effectively reliable clamping, it is ensured that rail reaches the requirement of rail factory calibration after the processing of each equipment.
Due to the weldering base of the rail production line be pipelining pattern, therefore require and set on each rail processing stations Standby itself had rail roller, and rail can be transported to the station by roller line and is processed, after machining, and rail can be with Conveyed by roller line, pass through equipment, be transported to next station operation.
Rail section region division is as shown in figure 1, including rail head 1, wherein 3 three regions of the web of the rail 2 and the flange of rail, the area of rail head 1 It is rail driving face 4 above domain, its two sides is rail spigot surface 5, and the rail of bullet train is to driving face 4 and guiding The surface quality in face 5, linearity require higher.
At present, in common equipment, the clamping to rail is on the two sides of the web of the rail 2 or rail head 1 by clamping rail Driving face 4 and the bottom surface of the flange of rail 3, this kind of clamping mode produce interference when operation is easily processed to rail, are not easy to processing, do not have Demonstration is tried one's best outside in the part of rail head 1.In addition, the active force that existing rail clamping cylinder is produced directly acts on rail folder On tight, due to the limitation of structure space, it is difficult to which clamping cylinder is made into big, the pressure of hydraulic system also is difficult to increase to very Height, so the clamping force of rail is very limited, therefore easily produces skew when rail is processed, influences machining accuracy, causes not conforming to The generation of lattice rail.
Utility model content
For drawbacks described above present in prior art, the purpose of this utility model is to provide a kind of steel rail clamping device, Not only using more convenient, effective and reliable, additionally it is possible to improve the precision and passing rate of processing when rail is processed.
To achieve the above object, the utility model is adopted the following technical scheme that:
A kind of steel rail clamping device, including frame assembly, back-up roller wheel component and clamp assembly, back-up roller wheel component and folder Tight component is on frame assembly, weight of the back-up roller wheel component to undertake rail, and clamp assembly is to clamp rail;
The back-up roller wheel component includes roller, roller shaft, bearing, left support seat and right support seat, and roller is cylindrical, By bearing holder (housing, cover) on the roller shaft, roller is rotated by bearing around roller shaft, the two ends of roller shaft respectively with left support seat Upper end and right support seat upper end be connected, left support seat lower end and right support seat lower end be connected on frame assembly;
The clamp assembly includes clamp arm and clamping cylinder, and clamp arm has a pair, L-shaped to set, and a pair of folders The corner medial surface of tight arm is oppositely arranged, two sides of the clamp arm to clamp the rail flange of rail, and the lower end of clamp arm passes through pin Axle is connected on frame assembly, and the upper end of clamp arm is connected by multi link attachment structure with clamping cylinder, and clamping cylinder also connects In on frame assembly.
Described multi link attachment structure includes first group of connecting rod and second group of connecting rod, and one end of first group of connecting rod passes through Bearing pin is connected with the upper end of clamp arm, and the other end is connected with one end of second group of connecting rod and clamping cylinder respectively by bearing pin, The other end of second group of connecting rod is connected by bearing pin with frame assembly.
Described clamp arm includes clamping arm body and is connected in the clamping transition block clamped on the medial surface of arm body upper end, Transition block is clamped to contact the rail flange of rail, the upper end for clamping arm body is further opened with connecting hole, and upper connecting hole passes through bearing pin It is connected with one end of first group of connecting rod, the lower end for clamping arm body is further opened with lower connecting hole, and lower connecting hole passes through bearing pin and frame Frame component is connected.
Described frame assembly includes bottom plate and a pair of risers being fixed on bottom plate, and a pair of risers are symmetrical set, and It is connected by several reinforcements, the back-up roller wheel component is on bottom plate, and the clamp assembly is between a pair of risers.
Described clamping transition block is fixed on the medial surface of clamping arm body upper end by soket head cap screw, and clamps transition Angle is formed between the contact surface of block and the axis for clamping arm body.
Outer-hexagonal bolts are additionally provided with described left support seat and right support seat, the height to adjust roller shaft two ends Degree.
Described bearing is provided with two, is respectively arranged on the two ends inside roller.
Bearing gland is additionally provided with the outside of described bearing.
Described roller shaft two ends are additionally provided with roller shaft cover plate, roller shaft cover plate respectively with the upper end of left support seat and The upper end of right support seat is connected.
In above-mentioned technical scheme, a kind of steel rail clamping device provided by the utility model, also with it is following some Beneficial effect:
1. by the multi link attachment structure in the utility model, the utility model can be made to obtain bigger rail and clamped Power;
2. clamping rail by the clamp assembly in the utility model, more convenient for the processing of rail head of rail, processing is set Standby cutter, grinding tool will not be interfered between clamp assembly of the present utility model.
Brief description of the drawings
Fig. 1 is existing rail section region division schematic diagram;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structural representation of back-up roller wheel component in the utility model;
Fig. 4 is the structural representation of clamp arm in the utility model;
Fig. 5 is the side view of clamp arm in the utility model;
Fig. 6 is the structural representation of the utility model middle frame component;
Fig. 7 is use schematic diagram of the present utility model.
Embodiment
The technical solution of the utility model is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 2 to Fig. 6, a kind of steel rail clamping device provided by the utility model, including frame assembly 10, Back-up roller wheel component 20 and clamp assembly, back-up roller wheel component 20 and clamp assembly are on frame assembly 10, back-up roller wheel Weight of the component 20 to undertake rail 100, flange of rail two sides of the clamp assembly to clamp rail 100.
Preferably, the back-up roller wheel component 20 includes roller 201, roller shaft 202, bearing 203,204 and of left support seat Right support seat 205, the cylindrical shape of roller 201 is sheathed on the periphery of roller shaft 202 by bearing 203, such roller 201 is just It can be rotated by bearing 203 around roller shaft 202, the upper end and the right side of the two ends of roller shaft 202 respectively with left support seat 204 The upper end of support base 205 is connected, in addition, being additionally provided with roller shaft cover plate 206, roller shaft cover plate 206 at the two ends of roller shaft 202 It is connected again with the upper end of left support seat 204 and the upper end of right support seat 205 respectively, roller shaft 202 is pressed in into left support On seat 204 and right support seat 205, fixed, the lower end of left support seat 204 and the lower end of right support seat 205 pass through bolt It is fixed on frame assembly 10.
Preferably, the quantity of the bearing 203 described in the present embodiment is provided with two, the two ends inside roller are respectively arranged on On, the quantity of bearing 203 can also again be set up according to the situation of actual use.
Preferably, being additionally provided with bearing gland 207 on the described outside of bearing 203, to push down bearing 203, axle is prevented 203 are held during use, the outside of roller 201 is moved to.
Preferably, outer-hexagonal bolts 208 are additionally provided with described left support seat 204 and right support seat 205, to adjust The setting height(from bottom) at the two ends of roller shaft 202.
Preferably, the clamp assembly includes clamp arm 30 and clamping cylinder 40, clamp arm 30 has a pair, L-shaped Set, and the corner medial surface of a pair of clamp arms 30 is oppositely arranged, two sides of the clamp arm 30 to clamp the flange of rail of rail 100, The lower end of clamp arm 30 is connected on frame assembly 10 by bearing pin 50, and the upper end of clamp arm 30 passes through multi link attachment structure Form be connected with the upper end of clamping cylinder 40, the lower end of clamping cylinder 40 is connected on frame assembly 10 also by bearing pin 50.
Preferably, described multi link attachment structure includes first group of connecting rod 401 and second group of connecting rod 402, first group One end of connecting rod 401 is connected by bearing pin 50 with the upper end of clamp arm 30, the other end by bearing pin respectively with second group of connecting rod 402 One end and clamping cylinder 40 be connected, the other end of second group of connecting rod 402 is connected by bearing pin 50 with frame assembly 10, its In, angle β is formed between first group of connecting rod 401 and the level of rail 100, clamp assembly is enabled to by multi link attachment structure Clamping force when clamping rail 100 becomes big.
Preferably, described clamp arm 30 includes clamping arm body 301 and is connected in the clamping upper end medial surface of arm body 302 On clamping transition block 302, clamp transition block 302 to contact the flange of rail of rail 100, the upper end for clamping arm body 301 is also opened up There is upper connecting hole 303, upper connecting hole 303 is connected by bearing pin 50 with one end of first group of connecting rod 401, clamp arm body 301 Lower end is further opened with lower connecting hole 304, and lower connecting hole 304 is connected by bearing pin 50 with frame assembly 10.
Preferably, described clamping transition block 302 is fixed in clamping arm body 301 upper end by soket head cap screw 305 On side, and angle α is formed between the contact surface of clamping transition block 302 and the axis of clamping arm body 301.
Preferably, described frame assembly 10 includes bottom plate 101 and a pair be fixed on bottom plate 101 in concave Riser 102, a pair of risers 102 are symmetrical set, and are weldingly connected by several reinforcements 103, the back-up roller wheel component 20 On bottom plate 102, the clamp assembly is between a pair of risers 102.
Incorporated by reference to shown in Fig. 7, the bottom of rail 100 is placed on the roller 201 of back-up roller wheel component 20, back-up roller wheel group Part 20 is fixedly connected on the bottom plate 101 of frame assembly 10 further through bolt, is realized the utility model and can be supported and is added The rail 100 of work, and roller line smoothly can convey processed rail 100 by the station.
Wherein, the active force that described clamping cylinder 40 is produced passes through first group of connecting rod 401, second group of connecting rod 402 and folder Multi link attachment structure form between tight arm 30 so that the clamping force for clamping rail 100 becomes big, is calculated according to trigonometric function, Can draw become it is big after horizontal-clamping power F into:
In above-mentioned formula, f is the active force that clamping cylinder 40 is produced, and β is horizontal-clamping direction and first group of connecting rod 401 Angle.
In addition, back-up roller wheel component 20 is being undertaken outside the self gravitation of rail 100, the vertical direction of rail 100 also assume responsibility for Clamping force, vertical direction clamping force F' is:
In above-mentioned formula, f is the active force that clamping cylinder 40 is produced, and β is horizontal-clamping direction and first group of connecting rod 401 Angle, the angle that α is formed for the axis of clamp arm 30 with clamping transition block 302.
, can be in pushing away that equal clamping cylinder 40 is provided by changing α, β angular dimension from above-mentioned formula Bigger rail clamping force is obtained under the conditions of power.
Therefore, it is not only able to that rail clamping force can be increased in limited space by the utility model, moreover, lead to again The change for changing and clamping location of rail is crossed, is changed to clamp the flange of rail position of rail by the rail head position for clamping rail originally, makes Must easily facilitate also will not mutually do between cutter and grinding tool and the utility model used in the rail head of Problems in Machining of Steel Rail, processing Relate to.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new Type, and be not used as limiting of the present utility model, as long as in spirit of the present utility model, to described above Change, the modification of embodiment will all fall in Claims scope of the present utility model.

Claims (9)

1. a kind of steel rail clamping device, it is characterised in that including frame assembly, back-up roller wheel component and clamp assembly, back-up roller Wheel assembly and clamp assembly are on frame assembly, and weight of the back-up roller wheel component to undertake rail, clamp assembly is used to Clamp rail;
The back-up roller wheel component includes roller, roller shaft, bearing, left support seat and right support seat, and roller is cylindrical, passes through Bearing holder (housing, cover) makes roller be rotated by bearing around roller shaft on roller shaft, and the two ends of roller shaft are upper with left support seat respectively End and the upper end of right support seat are connected, and the lower end of left support seat and the lower end of right support seat are connected on frame assembly;
The clamp assembly includes clamp arm and clamping cylinder, and clamp arm has a pair, L-shaped to set, and a pair of clamp arms Corner medial surface be oppositely arranged, two sides of the clamp arm to clamp the rail flange of rail, the lower end of clamp arm is connected by bearing pin In on frame assembly, the upper end of clamp arm is connected by multi link attachment structure with clamping cylinder, and clamping cylinder is also connected in frame On frame component.
2. a kind of steel rail clamping device as claimed in claim 1, it is characterised in that described multi link attachment structure includes First group of connecting rod and second group of connecting rod, one end of first group of connecting rod are connected by bearing pin with the upper end of clamp arm, and the other end passes through Bearing pin is connected with one end of second group of connecting rod and clamping cylinder respectively, and the other end of second group of connecting rod passes through bearing pin and frame set Part is connected.
3. a kind of steel rail clamping device as claimed in claim 2, it is characterised in that described clamp arm includes clamp arm sheet Body and the clamping transition block being connected on the medial surface of clamping arm body upper end, clamp transition block to contact the rail flange of rail, clamp arm The upper end of body is further opened with connecting hole, and upper connecting hole is connected by bearing pin with one end of first group of connecting rod, clamps arm body Lower end be further opened with lower connecting hole, lower connecting hole is connected by bearing pin with frame assembly.
4. a kind of steel rail clamping device as claimed in claim 1, it is characterised in that described frame assembly includes bottom plate and solid Due to a pair of risers on bottom plate, a pair of risers are symmetrical set, and are connected by several reinforcements, the back-up roller wheel component On bottom plate, the clamp assembly is between a pair of risers.
5. a kind of steel rail clamping device as claimed in claim 3, it is characterised in that described clamping transition block passes through interior hexagonal Screw is fixed on the medial surface of clamping arm body upper end, and clamps shape between the contact surface of transition block and the axis for clamping arm body Into angle.
6. a kind of steel rail clamping device as claimed in claim 1, it is characterised in that on described left support seat and right support seat Outer-hexagonal bolts are additionally provided with, the height to adjust roller shaft two ends.
7. a kind of steel rail clamping device as claimed in claim 1, it is characterised in that described bearing is provided with two, sets respectively Two ends inside roller.
8. a kind of steel rail clamping device as claimed in claim 7, it is characterised in that be additionally provided with axle on the outside of described bearing Pressure cap.
9. a kind of steel rail clamping device as claimed in claim 1, it is characterised in that described roller shaft two ends are additionally provided with rolling Wheel shaft cover plate, roller shaft cover plate is connected with the upper end of left support seat and the upper end of right support seat respectively.
CN201720229548.2U 2017-03-10 2017-03-10 A kind of steel rail clamping device CN206550568U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720229548.2U CN206550568U (en) 2017-03-10 2017-03-10 A kind of steel rail clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720229548.2U CN206550568U (en) 2017-03-10 2017-03-10 A kind of steel rail clamping device

Publications (1)

Publication Number Publication Date
CN206550568U true CN206550568U (en) 2017-10-13

Family

ID=60362751

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720229548.2U CN206550568U (en) 2017-03-10 2017-03-10 A kind of steel rail clamping device

Country Status (1)

Country Link
CN (1) CN206550568U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106826063A (en) * 2017-03-10 2017-06-13 上海瑞纽机械股份有限公司 A kind of steel rail clamping device
CN109606407A (en) * 2018-12-10 2019-04-12 中车沈阳机车车辆有限公司 Rail fastening down system
CN109606406A (en) * 2018-12-10 2019-04-12 中车沈阳机车车辆有限公司 Improved rail anchor assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106826063A (en) * 2017-03-10 2017-06-13 上海瑞纽机械股份有限公司 A kind of steel rail clamping device
CN109606407A (en) * 2018-12-10 2019-04-12 中车沈阳机车车辆有限公司 Rail fastening down system
CN109606406A (en) * 2018-12-10 2019-04-12 中车沈阳机车车辆有限公司 Improved rail anchor assembly
CN109606406B (en) * 2018-12-10 2020-03-24 中车沈阳机车车辆有限公司 Rail locking device
CN109606407B (en) * 2018-12-10 2020-03-24 中车沈阳机车车辆有限公司 Rail locking system

Similar Documents

Publication Publication Date Title
CN103056693B (en) Work fixture for machining inner cavities and joint closing surfaces of glass molds
CN206405738U (en) A kind of CNC processes the built-up jig of inclined-plane inclined hole
CN101628382B (en) Angle regulator
CN203473733U (en) Roller way device capable of being horizontally adjusted in fine mode
CN204565701U (en) With the float support of quick-locking device
CN103692131B (en) A kind of axle housing annex welding tool setup
CN204725191U (en) Gooseneck shaped piece automobile clamper
CN202293311U (en) Manipulator of bottle blowing machine
CN201776504U (en) Auxiliary bracket of milling machine
CN102513836A (en) Follower rest for hydraulic automatically centering, automatically compensating and surface rolling
CN103737233B (en) A kind of Ripple Sternum group of simple and direct centering clamping founds machine
CN202411578U (en) Universal tapping machine
CN103753241A (en) Location clamp for rocker arm shaft
CN202922261U (en) Axle box body locating device
CN201026695Y (en) Rotary cutting device of thermal transfer printer
CN104815934A (en) Guiding structure applicable to switch blade of thread rolling machine
CN106078265A (en) A kind of elastic support for rotary type workpiece
CN204565486U (en) A kind of isometrical steel-pipe welding special fixture
CN105729174A (en) Front-back movable, up-down adjustable and left-right center precise positioning and clamping device
CN204195140U (en) A kind of rotary welding clamp
CN104416372A (en) Adjustable angle type workbench
CN202622424U (en) Clamping device for bearing support
CN205996577U (en) A kind of drilling jig
CN203579212U (en) Angle adjustable worktable
CN205817393U (en) Mechanical chuck

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 200120 Shanghai city Pudong New Area Xuanqiao Town Park Road No. 105

Co-patentee after: China Railway Lanzhou Bureau Group Co., Ltd. Lanzhou engineering machinery section

Patentee after: SHANGHAI RUINIU MACHINERY & EQUIPMENT MANUFACTURE CO., LTD.

Address before: 200120 Shanghai city Pudong New Area Xuanqiao Town Park Road No. 105

Co-patentee before: LANZHOU RAILWAY BUREAU LANZHOU ENGINEERING MECHANICAL SEC TION

Patentee before: SHANGHAI RUINIU MACHINERY & EQUIPMENT MANUFACTURE CO., LTD.

CP01 Change in the name or title of a patent holder
AV01 Patent right actively abandoned

Granted publication date: 20171013

Effective date of abandoning: 20180629

AV01 Patent right actively abandoned