CN106826063B - A kind of steel rail clamping device - Google Patents
A kind of steel rail clamping device Download PDFInfo
- Publication number
- CN106826063B CN106826063B CN201710139988.3A CN201710139988A CN106826063B CN 106826063 B CN106826063 B CN 106826063B CN 201710139988 A CN201710139988 A CN 201710139988A CN 106826063 B CN106826063 B CN 106826063B
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- CN
- China
- Prior art keywords
- rail
- clamp
- support seat
- clamping device
- clamping
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- Legal status (The legal status 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 status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention 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 set on frame assembly, and back-up roller wheel component is to undertake the weight of rail, and clamp assembly is clamping rail.The present invention 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
Technical field
The present invention relates to rail welding processing technology, more specifically to a kind of steel rail clamping device.
Background technology
With the fast development of Chinese motor-car high ferro, the rail quality of live laying is also required higher and higher, this is just
It is required that rail will improve processing quality on welding base of the rail production line when each station is processed, such as thick polishing station, essence
Miller position, the process equipment reach 0.01mm ranks to rail machining accuracy, it is therefore desirable to can be obtained when rail is processed
One effectively reliable clamping ensures that rail after the processing of each equipment, reaches the requirement of rail factory calibration.
Due to the weldering base of the rail production line is pipelining pattern, requires and sets on each rail processing stations
Standby itself had rail idler wheel, and rail can be transported to the station by roller line and is processed, and after machining, rail can be with
It is conveyed by roller line, passes 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, 1st area of rail head
It is rail driving face 4 above domain, two sides are rail guide surface 5, and the rail of bullet train is to rail driving 4 He of face
Surface quality, the straightness requirement higher of guide surface 5.
At present, in common equipment, the clamping to rail is by clamping on 2 two sides of the web of the rail or rail head 1 of rail
Rail driving face 4 and the bottom surface of the flange of rail 3, this kind of clamping mode generate interference when operation is easily processed to rail, are not easy to process,
1 part of rail head is not demonstrated outside as possible.In addition, the active force that existing rail clamping cylinder generates directly acts on steel
On rail clamps, due to the limitation of structure space, it is difficult to which clamping cylinder is made big, the pressure of hydraulic system also is difficult to increase to
It is very high, so the clamping force of rail is very limited, therefore easily generates offset when rail is processed, machining accuracy is influenced, is caused not
The generation of qualified rail.
Invention content
In view of the above defects of the prior art, the object of the present invention 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 present invention adopts 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 set on frame assembly, and back-up roller wheel component is to undertake the weight of rail, and clamp assembly is clamping rail；
The back-up roller wheel component includes idler wheel, roller shaft, bearing, left support seat and right support seat, and idler wheel is cylindrical,
Be set on roller shaft by bearing holder (housing, cover), idler wheel made to pass through bearing and is rotated around roller shaft, the both ends of roller shaft respectively with left support seat
Upper end and the upper end of right support seat be connected, 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 setting, and a pair of of folder
The corner medial surface of tight arm is oppositely arranged, and for clamp arm to clamp the two sides of the rail flange of rail, the lower end of clamp arm passes through pin
Axis is connected on frame assembly, and the upper end of clamp arm is connected by multi link connection structure with clamping cylinder, and clamping cylinder also connects
In on frame assembly.
The multi link connection structure includes first group of connecting rod and second group of connecting rod, one end of first group of connecting rod pass through
Axis pin is connected with the upper end of clamp arm, and the other end is connected by axis pin with one end of second group of connecting rod and clamping cylinder respectively,
The other end of second group of connecting rod is connected by axis pin with frame assembly.
The 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 axis 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 axis pin and frame
Frame component is connected.
The frame assembly includes bottom plate and a pair of of the riser being fixed on bottom plate, and a pair of of riser is symmetrical set, and
It is connected by several reinforcing ribs, the back-up roller wheel component is set on bottom plate, and the clamp assembly is set between a pair of of riser.
The clamping transition block is fixed on by soket head cap screw to be clamped on the medial surface of arm body upper end, and clamp transition
Angle is formed between the contact surface of block and the axis for clamping arm body.
Outer-hexagonal bolts are additionally provided on the left support seat and right support seat, to adjust the height at roller shaft both ends
Degree.
There are two the bearing is set, it is respectively arranged on the both ends inside idler wheel.
Bearing gland is additionally provided on the outside of the bearing.
The roller shaft both ends are additionally provided with roller shaft cover board, roller shaft cover board respectively with the upper end of left support seat and
The upper end of right support seat is connected.
In above-mentioned technical solution, a kind of steel rail clamping device provided by the present invention is also beneficial with the following
Effect：
1. by the multi link connection structure in the present invention, the present invention can be made to obtain the rail clamping force of bigger；
2. clamp rail by the clamp assembly in the present invention, more convenient for the processing of rail head of rail, process equipment
Cutter, grinding tool will not interfere between the clamp assembly of the present invention.
Description of the drawings
Fig. 1 is existing rail section region division schematic diagram；
Fig. 2 is the structure diagram of the present invention；
Fig. 3 is the structure diagram of back-up roller wheel component in the present invention；
Fig. 4 is the structure diagram of clamp arm in the present invention；
Fig. 5 is the side view of clamp arm in the present invention；
Fig. 6 is the structure diagram of middle frame component of the present invention；
Fig. 7 is the use schematic diagram of the present invention.
Specific embodiment
The technical solution further illustrated the present invention 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 present invention including frame assembly 10, supports
Roll wheel assembly 20 and clamp assembly, back-up roller wheel component 20 and clamp assembly are set on frame assembly 10, back-up roller wheel component
20 to undertake the weight of rail 100, and clamp assembly is clamping the flange of rail two sides of rail 100.
Preferably, the back-up roller wheel component 20 includes idler wheel 201, roller shaft 202, bearing 203,204 and of left support seat
Right support seat 205,201 cylindrical shape of idler wheel are sheathed on the periphery of roller shaft 202 by bearing 203, and such idler wheel 201 is just
Can be rotated by bearing 203 around roller shaft 202, the both ends of roller shaft 202 respectively with the upper end and the right side of left support seat 204
The upper end of support base 205 is connected, in addition, being additionally provided with roller shaft cover board 206, roller shaft cover board 206 at the both ends of roller shaft 202
The upper end again with the upper end of left support seat 204 and right support seat 205 is connected respectively, roller shaft 202 is pressed in 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, there are two the quantity of the bearing 203 described in the present embodiment sets, it is respectively arranged on the both ends inside idler wheel
On, the quantity of bearing 203 can also again be added according to the situation of actual use.
Preferably, being additionally provided with bearing gland 207 on 203 outside of bearing, to push down bearing 203, axis is prevented
203 are held during use, is moved to the outside of idler wheel 201.
Preferably, outer-hexagonal bolts 208 are additionally provided on the left support seat 204 and right support seat 205, to adjust
The mounting height at 202 both ends of roller shaft.
Preferably, the clamp assembly includes clamp arm 30 and clamping cylinder 40, clamp arm 30 has a pair, L-shaped
Setting, and the corner medial surface of a pair of of clamp arm 30 is oppositely arranged, clamp arm 30 to clamp the two sides of 100 flange of rail of rail,
The lower end of clamp arm 30 is connected in by axis pin 50 on frame assembly 10, and the upper end of clamp arm 30 passes through multi link connection structure
Form be connected with the upper end of clamping cylinder 40, the lower end of clamping cylinder 40 is connected in also by axis pin 50 on frame assembly 10.
Preferably, the multi link connection structure include first group of connecting rod 401 and second group of connecting rod 402, first group
One end of connecting rod 401 is connected by axis pin 50 with the upper end of clamp arm 30, the other end by axis 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 axis pin 50 with frame assembly 10,
In, angle β is formed between 100 level of first group of connecting rod 401 and rail, clamp assembly is enabled to by multi link connection structure
Clamping force when clamping rail 100 becomes larger.
Preferably, the clamp arm 30 includes clamping arm body 301 and being connected in clamping 301 upper end medial surface of arm body
On clamping transition block 302, clamp transition block 302 to contact 100 flange of rail of rail, the upper end for clamping arm body 301 also opens up
There is upper connecting hole 303, upper connecting hole 303 is connected by axis pin 50 with one end of first group of connecting rod 401, clamps arm body 301
Lower end is further opened with lower connecting hole 304, and lower connecting hole 304 is connected by axis pin 50 with frame assembly 10.
It is clamped in 301 upper end of arm body preferably, the clamping transition block 302 is fixed on by soket head cap screw 305
On side, and clamp and form angle α between the contact surface of transition block 302 and the axis for clamping arm body 301.
Preferably, the frame assembly 10 includes bottom plate 101 and a pair being fixed on bottom plate 101 in concave
Riser 102, a pair of of riser 102 are symmetrical set, and are weldingly connected by several reinforcing ribs 103, the back-up roller wheel component 20
On bottom plate 102, the clamp assembly is set between a pair of of riser 102.
Incorporated by reference to shown in Fig. 7, the bottom of rail 100 is placed on the idler wheel 201 of back-up roller wheel component 20, back-up roller wheel group
Part 20 is fixedly connected on further through bolt on the bottom plate 101 of frame assembly 10, realize the present invention can support it is processed
Rail 100 and roller line can smoothly convey processed rail 100 by the station.
Wherein, the active force that the clamping cylinder 40 generates passes through first group of connecting rod, 401, second groups of connecting rods 402 and folder
Multi link connection structure form between tight arm 30 so that the clamping force for clamping rail 100 becomes larger, and is calculated according to trigonometric function,
It can show that the horizontal-clamping power F after becoming larger is：
In above-mentioned formula, f is the active force that clamping cylinder 40 generates, 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 100 its own gravity of rail, the vertical direction of rail 100 is also assumed responsibility for
Clamping force, vertical direction clamping force F' are：
In above-mentioned formula, f is the active force that clamping cylinder 40 generates, and β is horizontal-clamping direction and first group of connecting rod 401
Angle, α are the angle that the axis of clamp arm 30 is formed with clamping transition block 302.
By above-mentioned formula as it can be seen that angular dimension by changing α, β, can push away what equal clamping cylinder 40 was provided
The rail clamping force of bigger is obtained under the conditions of power.
Therefore, it is not only able to that interior in a limited space rail clamping force can be increased by the present invention, moreover, further through changing
Become the variation for clamping location of rail, be changed to clamp the flange of rail position of rail by the rail head position for clamping rail originally so that more
Add the rail head of rail easy to process, will not be interfered between the cutter and grinding tool and the present invention used in processing.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will be all fallen in the range of claims of the present invention.
Claims (9)
1. a kind of steel rail clamping device, which is characterized in that including frame assembly, back-up roller wheel component and clamp assembly, back-up roller
Wheel assembly and clamp assembly are set on frame assembly, back-up roller wheel component to undertake the weight of rail, clamp assembly to
Clamp rail；
The back-up roller wheel component includes idler wheel, roller shaft, bearing, left support seat and right support seat, and idler wheel is cylindrical, passes through
Bearing holder (housing, cover) is set on roller shaft, and idler wheel is made to pass through bearing and is rotated around roller shaft, the both 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 setting, and a pair of of clamp arm
Corner medial surface be oppositely arranged, to clamp the two sides of the rail flange of rail, the lower end of clamp arm is connected clamp arm by axis pin
In on frame assembly, the upper end of clamp arm is connected by multi link connection structure with clamping cylinder, and clamping cylinder is also connected in frame
On frame component.
2. a kind of steel rail clamping device as described in claim 1, which is characterized in that the multi link connection structure includes
First group of connecting rod and second group of connecting rod, one end of first group of connecting rod are connected by axis pin with the upper end of clamp arm, and the other end passes through
Axis pin is connected respectively with one end of second group of connecting rod and clamping cylinder, and the other end of second group of connecting rod passes through axis pin and frame set
Part is connected.
3. a kind of steel rail clamping device as claimed in claim 2, which is characterized in that the 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 ontology is further opened with connecting hole, and upper connecting hole is connected by axis 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 axis pin with frame assembly.
4. a kind of steel rail clamping device as described in claim 1, which is characterized in that the frame assembly is including bottom plate and admittedly
Due to a pair of of riser on bottom plate, a pair of of riser is symmetrical set, and is connected by several reinforcing ribs, the back-up roller wheel component
On bottom plate, the clamp assembly is set between a pair of of riser.
5. a kind of steel rail clamping device as claimed in claim 3, which is characterized in that the clamping transition block passes through interior hexagonal
Screw, which is fixed on, to be clamped on the medial surface of arm body upper end, and clamp 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 described in claim 1, which is characterized in that in the left support seat and right support seat
Outer-hexagonal bolts are additionally provided with, to adjust the height at roller shaft both ends.
7. a kind of steel rail clamping device as described in claim 1, which is characterized in that the bearing is set respectively there are two setting
Both ends inside idler wheel.
8. a kind of steel rail clamping device as claimed in claim 7, which is characterized in that be additionally provided with axis on the outside of the bearing
Pressure cap.
9. a kind of steel rail clamping device as described in claim 1, which is characterized in that the roller shaft both ends are additionally provided with rolling
Wheel shaft cover board, upper end of the roller shaft cover board respectively with the upper end of left support seat and right support seat are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710139988.3A CN106826063B (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 |
|---|---|---|---|
| CN201710139988.3A CN106826063B (en) | 2017-03-10 | 2017-03-10 | A kind of steel rail clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106826063A CN106826063A (en) | 2017-06-13 |
| CN106826063B true CN106826063B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710139988.3A Active CN106826063B (en) | 2017-03-10 | 2017-03-10 | A kind of steel rail clamping device |
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| CN (1) | CN106826063B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857895B (en) * | 2018-08-09 | 2023-05-12 | 中铁上海工程局集团有限公司 | Adjustable straightening steel rail clamping device and use method thereof |
| CN112894513B (en) * | 2021-01-12 | 2022-10-28 | 杭州宜科智能科技有限公司 | Intelligent robot for rail traffic steel rail machining |
| CN115070650B (en) * | 2022-08-02 | 2023-10-20 | 中国铁道科学研究院集团有限公司标准计量研究所 | Clamping tool for mounting third rail |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0698570B2 (en) * | 1986-07-09 | 1994-12-07 | 財団法人鉄道総合技術研究所 | Rail head finishing device |
| DE29513341U1 (en) * | 1994-09-01 | 1995-10-19 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H., Wien | Device for aligning and holding two rails to be welded at their ends |
| CN103612142A (en) * | 2013-11-22 | 2014-03-05 | 铁岭天河机械制造有限责任公司 | Pneumatic clamp for automobile engine cam bearing cover |
| CN204094305U (en) * | 2014-07-28 | 2015-01-14 | 苏州市华宁机械制造有限公司 | High ferro rail three mould end templates |
| CN206550568U (en) * | 2017-03-10 | 2017-10-13 | 上海瑞纽机械股份有限公司 | A kind of steel rail clamping device |
-
2017
- 2017-03-10 CN CN201710139988.3A patent/CN106826063B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106826063A (en) | 2017-06-13 |
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| CB02 | Change of applicant information |
Address after: 200120 Shanghai city Pudong New Area Xuanqiao Town Park Road No. 105 Applicant after: SHANGHAI RUINIU MACHINERY & EQUIPMENT MANUFACTURE CO., LTD. Applicant after: China Railway Lanzhou Bureau Group Co., Ltd. Lanzhou engineering machinery section Address before: 200120 Shanghai city Pudong New Area Xuanqiao Town Park Road No. 105 Applicant before: SHANGHAI RUINIU MACHINERY & EQUIPMENT MANUFACTURE CO., LTD. Applicant before: LANZHOU RAILWAY BUREAU LANZHOU ENGINEERING MECHANICAL SEC TION |
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