CN104931178B - Rail holding force measuring mechanism for turnout snow melting clamp - Google Patents
Rail holding force measuring mechanism for turnout snow melting clamp Download PDFInfo
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- CN104931178B CN104931178B CN201510303911.6A CN201510303911A CN104931178B CN 104931178 B CN104931178 B CN 104931178B CN 201510303911 A CN201510303911 A CN 201510303911A CN 104931178 B CN104931178 B CN 104931178B
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- support
- force measuring
- slide block
- measuring machine
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Abstract
The invention provides a rail holding force measuring mechanism for a turnout snow melting clamp, which comprises a base plate, a backing plate, a force reduction guiding connecting rod mechanism, a sensor, a force measurement instrument, a supporting portion, a supporting sliding plate, a sliding block, a limiting screw and two supporting frames, wherein the supporting sliding plate slides on a first sliding slot, the horizontal distance between the two supporting frames is adjusted through the supporting sliding plate, the sliding block is pushed towards the direction of the supporting sliding plate, when an exposed portion of the limiting screw is clamped in a cylindrical slot, the clamp rebounds back to the original rail installation length, and the measured value of a value of a rail holding force. The advantages and the beneficial effects are that the rail holding force measuring mechanism is simple, convenient and visual to operate, low in cost and capable of realizing measurement for the force holding force of various snow melting clamps; deviation generated by manual reading is avoided; accurate positioning for the pulling travel of the rail holding force of the clamp is realized; inspection for the mass production process is realized, the accuracy in rail holding force measurement of various snow melting clamps is ensured, and the detection efficiency is improved.
Description
Technical field
The invention belongs to intermetallic composite coating technical field of measurement and test, the survey of rail power is held more particularly, to a kind of for melting snow on turnout junction fixture
Force mechanisms.
Background technology
Snow melt fixture is the new product for ensureing the conversion of railway speed increasing switch Winter safety, and snow melt fixture product category is a lot,
Such as upper clip, lower clip (as shown in Figure 5), slope clamp.Such fixture is spring-like product, and use condition is harsh, is arranged on
Should not come off on rail, the requirement of anti-vibration, that is, hold rail power and be greater than equal to 200N, need to have larger deformability；Therefore should
Before fixture dispatches from the factory, the mechanism of needs detection power tests to it；Therefore research, design, make one kind be applicable to it is various
Fixture holds the force measuring machine of rail power becomes a vital task of company.On this basis, through research design repeatedly, invention one
Kind is applicable to the melting snow on turnout junction fixture of number of different types and holds rail power force measuring machine.
The content of the invention
The problem to be solved in the present invention is to provide that a kind of simple structure, easy to operate, dynamometry be reliable, labour-saving is applicable to
The melting snow on turnout junction fixture of more than ten kind different model specifications holds rail power force measuring machine.
To solve above-mentioned technical problem, the technical solution used in the present invention is：One kind holds rail power for melting snow on turnout junction fixture
Force measuring machine, including base plate, backing plate, Jian Li guide links mechanism, sensor, force measurement instrument, supporting part, support skid,
Slide block, stop screw, two coplanar horizontals and the bracing frame being mutually aligned, sensor connection force value measuring instrumentss, the support
Portion and backing plate are respectively arranged on the two ends of base plate, and base plate is provided with orthogonal first chute and the second chute, and support skid exists
Slide on first chute, connected by sensor between one of bracing frame and supporting part, another bracing frame is located at support
On slide plate, the level interval between two bracing frames is adjusted by support skid, and Jian Li guide links mechanism connects and controls
Slip of the support skid on chute, the side of support skid is provided with the projection for being rotary with stop screw, and slide block is provided close to projection
Position between sensor, slide block slides on the second chute, and stop screw leans out one section from projection towards the side of slide block
Distance, the side on slide block towards projection is provided with and leans out the cylindrical groove that matches of part with stop screw.
Further, the Jian Li guide links mechanism includes handle, connecting lever, pull bar, bent plate, guide holder and support shaft, institute
State guide holder and be fixed on backing plate upper end, support shaft is fixed on base plate, handle is connected with support shaft axle, pull bar is sliding on guide holder
It is dynamic, connected by bent plate between one end of pull bar and support skid, connecting lever is connected between pull bar middle part and handle, handle control
Pull bar drives support skid to slide.
Further, support frame as described above includes draw money on credit support and short bracing frame, and the bracing frame being connected with sensor is short support
Frame, the bracing frame in support skid is support of drawing money on credit.For the two ends of strut clamp, due to one end of fixture it is longer, one
End is shorter, so bracing frame is more reasonable respectively using length.
Further, the slide block is provided close to the position of projection.
Further, the backing plate is fixed by screws on base plate, and guide holder is fixed by screws on backing plate, connecting lever
One end is connected by screw with pull bar, and the other end of connecting lever is connected by screw with handle, and screw is passed through between bent plate and pull bar
It is fixedly connected.
Further, the handle is located at the top end position of support shaft, easily operation.
Further, the length for leaning out part of the stop screw is identical with the depth of cylindrical groove, is 2mm.
Further, the cylindrical groove is at its center.
Further, the slide block is slided by screw in the second chute upper limit.
The present invention has the advantages and positive effects that：
1. the present invention is easy to operate directly perceived, with low cost, laborsaving, is capable of achieving various snow melt fixtures and lays oneself on the railway tracks the measurement of force value；
2. due to adopting above-mentioned technical proposal, pressure pulling force sensor to efficiently solve the problems, such as mechanism's certainty of measurement, it is to avoid
The deviation that artificial reading is produced, read out instrument makes reading more directly perceived；
3. the stability of measuring appliance stress is preferably solved, and Jian Li guide links mechanism realizes when operator uses and subtracts
Power 3/4 is measured less and is realized quickly in place；
4. realize that fixture holds the precise positioning that rail power pulls stroke；
5. the device can realize the inspection of high volume production process by survey crew complete independently whole test process, protect
The accuracy that various snow melt fixtures hold rail force measurement is demonstrate,proved, detection efficiency is improved, is to ensure that various snow melt fixtures hold the test of rail power
Reliability provides guarantee.
Description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the position relationship schematic diagram of the stop screw and slide block before slide block is promoted；
Fig. 4 is the position relationship schematic diagram of the stop screw and slide block after slide block is promoted；
Fig. 5 is the structural representation of snow melt fixture of the prior art；
In figure：1- base plates；2- support skids；3- draws money on credit support；The short bracing frames of 4-；5- supporting parts；6- bent plates；7- pull bars；
8- connecting levers；9- handles；10- guide holders；11- backing plates；12- support shafts；13- slide blocks；14- projections；15- sensors；16- first is slided
Groove；The chutes of 17- second；18- stop screws；19- cylindrical grooves.
Specific embodiment
The specific embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
It is a kind of to hold rail power force measuring machine, including base plate 1, backing plate 11, sensing for melting snow on turnout junction fixture as shown in Fig. 1～5
Device 15, force measurement instrument, supporting part 5, support skid 2, slide block 13, stop screw 18, handle 9, connecting lever 8, pull bar 7, bent plate
6th, guide holder 10, support shaft 12, draw money on credit support 3 and short bracing frame 4, the connection force value measuring instrumentss of sensor 15.
Supporting part 5 and backing plate 11 are respectively arranged on the two ends of base plate 1, and backing plate 11 is fixed by screws on base plate 1, supporting part
5 are fixed by screws on base plate 1, are connected by sensor 15 between short bracing frame 4 and supporting part 5.Middle position is leaned on base plate 1
The chute 17 of orthogonal first chute 16 and second is installed, support skid 2 is slided on the first chute 16, slide block 13 is
Slide on two chutes 17, support 3 of drawing money on credit is in support skid 2, and support 3 of drawing money on credit is with the coplanar horizontal of short bracing frame 4 and mutually right
Together, the level interval between two bracing frames is adjusted by support skid 2.
Support skid 2 is slided by the first chute 16 along the bolt and packing ring being fixed on base plate 1, and the first chute 16 has two
Individual projection, plays guide effect, convenient when pulling fixture so as to pull bar 7 to move；
Guide holder 10 is fixed on the upper end of backing plate 11 by screw, and support shaft 12 is fixed on base plate 1, and handle 9 is located at support
The top end position of axle 12, handle 9 is connected with the axle of support shaft 12, and pull bar 7 slides on guide holder 10, one end and the support of pull bar 7
Connected by bent plate 6 between slide plate 2, be fixedly connected by screw between bent plate 6 and pull bar 7, connecting lever 8 is connected by screw in drawing
Between the middle part of bar 7 and handle 9, the control pull bar 7 of handle 9 drives support skid 2 to slide.
The side of support skid 2 is provided with the projection 14 for being rotary with stop screw 18, and slide block 13 is provided close to projection 14 with sensing
Between device 15 and near the position of projection 14, slide block 13 is slided by screw in the upper limit of the second chute 17.The court of stop screw 18
The side of slide block 13 leans out a segment distance in the projection 14, and the side on slide block 13 towards projection 14 is provided with and is leant out with stop screw 18
The cylindrical groove 19 that part matches, cylindrical groove 19 is located at the center of slide block 13.The length and post that lean out part of stop screw 18
The depth of shape groove 19 is identical, is 2mm.
Principle is：Hold rail power and be elongated to fill after rail after extended length 2mm for snow melt fixture, the length when institute after the dress rail that rebounds
The power received, and the cylindrical groove 19 of the middle 2mm of slide block 13 just serves this effect, when the top of stop screw 18 is to 13 edge of slide block
Extended length 2mm after to fill rail, now promotes (direction as shown in Figure 4), when spacing by slide block 13 towards the direction of support skid 2
Screw 18 leans out part when snapping in cylindrical groove 19, and fixture just bounces back into original dress rail length, measure value to hold the value of rail power.
Conventional fixture method of testing is：First fixture is covered into long bracing frame 3, short bracing frame 4 on hook is moved by handle 9
Pull bar 7, drives support skid 2, makes fixture move length after dress rail to and locates plus 2mm, fixes its position with stop screw 18, such as figure
Shown in 3, the end face of stop screw 18 and the surface of slide block 13 are contacted, the length of holding clamp.Then by slide block 13 towards
Support slide plate 2 direction promote, when stop screw 18 lean out part snap in cylindrical groove 19 when, as shown in figure 4, fixture just rebounds
To original dress rail length, the reading in force measurement instrument is read.
One embodiment of the present of invention has been described in detail above, but the content is only the preferable enforcement of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement
Deng, all should still belong to the present invention patent covering scope within.
Claims (9)
1. it is a kind of to hold rail power force measuring machine for melting snow on turnout junction fixture, including base plate (1), backing plate (11), subtract power guide link machine
Structure, sensor (15) and force measurement instrument, sensor (15) connection force value measuring instrumentss, it is characterised in that：Also include supporting
Portion (5), support skid (2), slide block (13), stop screw (18), two coplanar horizontals and the bracing frame being mutually aligned, described
Support part (5) and backing plate (11) are respectively arranged on the two ends of base plate (1), base plate (1) be provided with orthogonal first chute (16) and
Second chute (17), support skid (2) is slided on the first chute (16), is led between one of bracing frame and supporting part (5)
Sensor (15) connection is crossed, in support skid (2), Jian Li guide links mechanism connects and controls to support another bracing frame
Slip of the slide plate (2) on the first chute (16), the side of support skid (2) is provided with the projection for being rotary with stop screw (18)
(14), slide block (13) is provided close to the position between projection (14) and sensor (15), and slide block (13) is on the second chute (17)
Slide, stop screw (18) leans out a segment distance towards the side of slide block (13) from projection (14) is interior, towards projection on slide block (13)
(14) side is provided with and leans out the cylindrical groove (19) that part matches with stop screw (18).
It is 2. according to claim 1 to hold rail power force measuring machine for melting snow on turnout junction fixture, it is characterised in that：The power of subtracting is led
Include handle (9), connecting lever (8), pull bar (7), bent plate (6), guide holder (10) and support shaft (12), the guiding to linkage
Seat (10) is fixed on backing plate (11) upper end, and support shaft (12) is fixed on base plate (1), and handle (9) is connected with support shaft (12) axle,
Pull bar (7) slides on guide holder (10), is connected by bent plate (6) between one end of pull bar (7) and support skid (2), connecting lever
(8) it is connected between pull bar (7) middle part and handle (9), handle (9) control pull bar (7) drives support skid (2) to slide.
It is 3. according to claim 2 to hold rail power force measuring machine for melting snow on turnout junction fixture, it is characterised in that：Support frame as described above
Including support of drawing money on credit (3) and short bracing frame (4), the bracing frame being connected with sensor (15) is short bracing frame (4), is slided located at supporting
Bracing frame on plate (2) is support (3) of drawing money on credit.
4. rail power force measuring machine is held for melting snow on turnout junction fixture according to any one of claims 1 to 3, it is characterised in that：
The slide block (13) is provided close to the position of projection (14).
It is 5. according to claim 2 to hold rail power force measuring machine for melting snow on turnout junction fixture, it is characterised in that：The backing plate
(11) it is fixed by screws on base plate (1), guide holder (10) is fixed by screws on backing plate (11), one end of connecting lever (8)
Be connected with pull bar (7) by screw, the other end of connecting lever (8) is connected by screw with handle (9), bent plate (6) and pull bar (7) it
Between be fixedly connected by screw.
6. rail power force measuring machine is held for melting snow on turnout junction fixture according to claim 2,3 or 5, it is characterised in that：It is described
Handle (9) is located at the top end position of support shaft (12).
It is 7. according to claim 1 to hold rail power force measuring machine for melting snow on turnout junction fixture, it is characterised in that：The spacing spiral shell
The length for leaning out part of nail (18) is identical with the depth of cylindrical groove (19), is 2mm.
It is 8. according to claim 6 to hold rail power force measuring machine for melting snow on turnout junction fixture, it is characterised in that：The cylindrical groove
(19) located at slide block (13) center.
It is 9. according to claim 1 to hold rail power force measuring machine for melting snow on turnout junction fixture, it is characterised in that：The slide block
(13) slided in the second chute (17) upper limit by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303911.6A CN104931178B (en) | 2015-06-04 | 2015-06-04 | Rail holding force measuring mechanism for turnout snow melting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303911.6A CN104931178B (en) | 2015-06-04 | 2015-06-04 | Rail holding force measuring mechanism for turnout snow melting clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104931178A CN104931178A (en) | 2015-09-23 |
| CN104931178B true CN104931178B (en) | 2017-05-03 |
Family
ID=54118452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510303911.6A Active CN104931178B (en) | 2015-06-04 | 2015-06-04 | Rail holding force measuring mechanism for turnout snow melting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104931178B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454028A (en) * | 2013-09-25 | 2013-12-18 | 天津铁路信号有限责任公司 | Turnout snow-melting clamp force-measuring device |
| CN204944718U (en) * | 2015-06-04 | 2016-01-06 | 天津铁路信号有限责任公司 | Rail power force measuring machine held by a kind of melting snow on turnout junction jig that is used for |
-
2015
- 2015-06-04 CN CN201510303911.6A patent/CN104931178B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454028A (en) * | 2013-09-25 | 2013-12-18 | 天津铁路信号有限责任公司 | Turnout snow-melting clamp force-measuring device |
| CN204944718U (en) * | 2015-06-04 | 2016-01-06 | 天津铁路信号有限责任公司 | Rail power force measuring machine held by a kind of melting snow on turnout junction jig that is used for |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104931178A (en) | 2015-09-23 |
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