CN206974354U - A kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin - Google Patents
A kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin Download PDFInfo
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- CN206974354U CN206974354U CN201720784885.8U CN201720784885U CN206974354U CN 206974354 U CN206974354 U CN 206974354U CN 201720784885 U CN201720784885 U CN 201720784885U CN 206974354 U CN206974354 U CN 206974354U
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Abstract
The utility model belongs to underground coal mine vehicle structure detection technique field, particularly relate to a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin, the device is primarily to improve the detection efficiency and accuracy of detection of connecting bolt, the accuracy of detection displacement for fatigue detecting experimental point is improved simultaneously, provide a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin, including tensioning template, tension test groove is provided with beside positioning tensioning hole, alignment pin and tensioning bearing pin are respectively arranged with positioning tensioning hole and in tension test groove, it is all connected with being provided with tensioning stationary fixture in alignment pin and tensioning bearing pin；Displacement detecting positioner is additionally provided with the tension test groove of the measurement apparatus, the measurement apparatus effectively raises the detection efficiency and accuracy of detection of connecting bolt, the accuracy of detection displacement for fatigue detecting experimental point is improved simultaneously, avoids the measurement error during test experience.
Description
Technical field
The utility model belongs to underground coal mine vehicle structure detection technique field；Particularly relate to a kind of colliery narrow gauge
The permanent bending flexion measuring device of vehicle connecting pin.
Background technology
In the basic product produced by the use of narrow gage vehicle connecting bolt as mining safety, it is widely used in colliery in colliery
In safety in production, national mine safety articles for use have been included in it and have examined catalogue by force.1st, 2016 editions《Safety regulations in coal mine》416th rules and regulations
It is fixed, when the narrow gage vehicle connecting bolt finds crackle or permanent elongation more than 0.2%, it must not use；2、AQ1113-2014
《Colliery is with narrow gage vehicle connecting bolt inspection specification》Regulation, its permanent bending flexion amount are no more than the 0.2% of nominal diameter；
In the existing general measuring method of narrow gage vehicle connecting bolt, its method, and can not be to specifying measurement due to complex operation
Point accurately position and measure, so not only causing measurement error to exceed defined displacement, and uses general measure
Instrument tool detection process Instrumental dismounting is complicated, and worker's operating efficiency is low；And caused error is big in measurement process, measurement accuracy
Not enough；But during the use of narrow gage vehicle connecting bolt, once because the reasons such as pin fatigue cause its connecting bolt
Fatigue fracture, therefore caused derailing accident happens occasionally, it has directly threatened the life security of personnel.
The content of the invention
Goal of the invention of the present utility model：
Primarily to a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin is provided, effective solution
Certainly using in general measure instrument tool detection process because instrument dismount it is complicated, caused by the low technical problem of manual detection efficiency,
The detection efficiency and accuracy of detection of connecting bolt are effectively raised, while improves the detection essence for fatigue detecting experimental point
Spend displacement, avoid the measurement error during test experience, and effectively avoid colliery narrow gage vehicle connection bearing pin because
Fatigue fracture and the derailing accident occurred, have ensured the personal safety of underground construction worker.
The technical solution of the utility model is：
A kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin, including tensioning template are provided,
The positioning tensioning hole of circle is provided with tensioning template, tension test groove, tension test are provided with beside positioning tensioning hole
Groove is coaxially set with positioning tensioning hole, and alignment pin and tensioning are respectively arranged with positioning tensioning hole and in tension test groove
Bearing pin, it is all connected with being provided with tensioning stationary fixture in alignment pin and tensioning bearing pin；In the tension test groove of the measurement apparatus
Displacement detecting positioner is inside additionally provided with, the displacement detecting positioner is in stepped groove-shaped structure setting, and the displacement detecting is determined
The step trough of position device the top is directly overlapped on the upper end surface for the tensioning stationary fixture being connected with tensioning bearing pin, in the displacement
The topmost of detection positioner is additionally provided with dial gauge mounting hole, dial gauge is provided with dial gauge mounting hole, in displacement
The side end of detection positioner is provided with dial gauge locking hole.
The vertical and intersectant centerline of dial gauge mounting hole and dial gauge locking hole, and be provided with dial gauge locking hole with
The clamping screw that the measurement bar of dial gauge is mutually matched.
Permanent magnet is provided with the step trough of the displacement detecting positioner the top, permanent magnet is directly adsorbed in opening
Draw the upper end surface of the tensioning stationary fixture of bearing pin connection.
The displacement detecting positioner set in tension test groove is in pedestal type structure setting, in the top of the device
Detection boss is provided with, the topmost of detection boss is provided with dial gauge mounting hole, hundred are provided with dial gauge mounting hole
Divide table, the side end of detection boss is provided with dial gauge locking hole；It is provided with the bottom of the detection means and tensioning bearing pin
The arc inside groove that the tensioning stationary fixture of connection matches, arc inside groove are directly connected on tensioning stationary fixture.
The dial gauge mounting hole and the center line of dial gauge locking hole set on the pedestal type displacement detecting positioner
Also intersect vertically, and the clamping screw being mutually matched with the measurement bar of dial gauge is provided with dial gauge locking hole.
In the arc inside groove that the tensioning stationary fixture being connected with tensioning bearing pin that the bottom of the detection means is set matches
Inside both ends be additionally provided with permanent magnet, permanent magnet is directly absorbed and fixed at the upper surface of tensioning stationary fixture corresponding thereto
Place.
The beneficial effects of the utility model are：
A kind of permanent bending flexion measuring device for colliery narrow gage vehicle connecting pin that the structure provides, not only effectively
Solve using in general measure instrument tool detection process because instrument dismount it is complicated, caused by the low technology of manual detection efficiency ask
Topic, and the detection efficiency and accuracy of detection of connecting bolt are effectively raised, while improve for fatigue detecting experimental point
Accuracy of detection displacement, avoid the measurement error during test experience, and effectively avoid colliery narrow gage vehicle and connect
The derailing accident that pin axle occurs by fatigue fracture, the personal safety of underground construction worker is ensured.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of tensioning template of the present utility model；
Fig. 3 is the cross section structure diagram of tension test groove of the present utility model；
Fig. 4 is one of structural representation of displacement detecting positioner of the present utility model；
Fig. 5 is the two of the structural representation of displacement detecting positioner of the present utility model；
Fig. 6 is the three of the structural representation of displacement detecting positioner of the present utility model；
Fig. 7 is the four of the structural representation of displacement detecting positioner of the present utility model；
Fig. 8 is the structural representation at tension test position of the present utility model.
In figure, 1 is tensioning template；2 be positioning tensioning hole；3 be tension test groove；4 be alignment pin；5 be tensioning bearing pin；
6 be tensioning stationary fixture；7 be displacement detecting positioner；8 be dial gauge mounting hole；9 be dial gauge locking hole；10 be percentage
Table；11 be permanent magnet；12 be detection boss；13 be arc inside groove.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
As shown in Fig. 1~8, there is provided a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin, bag
Tensioning template 1 is included, the positioning tensioning hole 2 of circle is provided with tensioning template, tensioning is provided with beside positioning tensioning hole
Detect tank 3, tension test groove are coaxially set with positioning tensioning hole, are set respectively in positioning tensioning hole and in tension test groove
There are alignment pin 4 and tensioning bearing pin 5, be all connected with being provided with tensioning stationary fixture 6 in alignment pin and tensioning bearing pin；In the survey
Measure in the tension test groove of device and be additionally provided with displacement detecting positioner 7, the displacement detecting positioner is in stepped groove-shaped knot
Structure is set, and the step trough of the displacement detecting positioner the top is directly overlapped on the tensioning stationary fixture being connected with tensioning bearing pin
Upper end surface, dial gauge mounting hole 8 is additionally provided with the topmost of the displacement detecting positioner, in dial gauge mounting hole
Dial gauge 10 is provided with, the side end of displacement detecting positioner is provided with dial gauge locking hole 9.
The vertical and intersectant centerline of dial gauge mounting hole and dial gauge locking hole, and be provided with dial gauge locking hole with
The clamping screw that the measurement bar of dial gauge is mutually matched.
Be provided with permanent magnet 11 in the step trough of the displacement detecting positioner the top, permanent magnet directly adsorb in
The upper end surface of the tensioning stationary fixture of tensioning bearing pin connection.
The displacement detecting positioner set in tension test groove is in pedestal type structure setting, in the top of the device
Detection boss 12 is provided with, the topmost of detection boss is provided with dial gauge mounting hole 8, is provided with dial gauge mounting hole
Dial gauge 10, the side end of detection boss is provided with dial gauge locking hole 9；It is provided with the bottom of the detection means and tensioning
The arc inside groove 13 that the tensioning stationary fixture of bearing pin connection matches, arc inside groove are directly connected on tensioning stationary fixture.
The dial gauge mounting hole and the center line of dial gauge locking hole set on the pedestal type displacement detecting positioner
Also intersect vertically, and the clamping screw being mutually matched with the measurement bar of dial gauge is provided with dial gauge locking hole.
In the arc inside groove that the tensioning stationary fixture being connected with tensioning bearing pin that the bottom of the detection means is set matches
Inside both ends be additionally provided with permanent magnet 11, permanent magnet is directly absorbed and fixed at the upper of tensioning stationary fixture 6 corresponding thereto
End.
During specific use, detection positioner is according to pulling force mould size and pin in pulling force mould
Geometric position determines dial gauge positioning hole, and passes through locking device, fixed dial gauge measurement bar；In order to be tightly fastened measurement and positioning
Device, powerful permanent magnetic iron is inlayed in its bottom and is tightly fastened with pulling force mould；The narrow car connecting bolt in colliery is placed on into tensioning to consolidate
Determine on fixture, under the conditions of shock-free, be continuously loaded onto maximum static weight, a test point is determined first on connecting bolt
A particular location, two times of maximum static lotuses are then at the uniform velocity loaded onto, then are gradually offloaded to maximum static weight, calibrate A points again
Position；Then relative displacement after A points are demarcated twice is accurately measured by detecting the dial gauge on positioner, secondary distance is
For the permanent bending flexion amount of latch, the displacement of A points can be directly read using satisfactory measuring appliance；The device is not
But effectively solve using general measure instrument have in detection process because instrument dismount it is complicated, caused by manual detection efficiency it is low
Technical problem, and effectively raise the detection efficiency and accuracy of detection of connecting bolt, while improve and examined for fatigue
The accuracy of detection displacement of experimental point is surveyed, avoids the measurement error during test experience, and it is narrow effectively to avoid colliery
The derailing accident that rail vehicle connection bearing pin occurs by fatigue fracture, has ensured the personal safety of underground construction worker.
Claims (6)
1. a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin, including tensioning template, it is characterised in that:
The positioning tensioning hole of circle is provided with tensioning template, tension test groove, tensioning inspection are provided with beside positioning tensioning hole
Survey groove is coaxially set with positioning tensioning hole, in positioning tensioning hole and is respectively arranged with alignment pin in tension test groove and opens
Bearing pin is drawn, is all connected with being provided with tensioning stationary fixture in alignment pin and tensioning bearing pin；In the tension test of the measurement apparatus
Displacement detecting positioner is additionally provided with groove, the displacement detecting positioner is in stepped groove-shaped structure setting, the displacement detecting
The step trough of positioner the top is directly overlapped on the upper end surface for the tensioning stationary fixture being connected with tensioning bearing pin, in the position
The topmost for moving detection positioner is additionally provided with dial gauge mounting hole, dial gauge is provided with dial gauge mounting hole, in place
The side end for moving detection positioner is provided with dial gauge locking hole.
2. a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin according to claim 1, it is special
Sign is：The vertical and intersectant centerline of dial gauge mounting hole and dial gauge locking hole, and be provided with dial gauge locking hole with
The clamping screw that the measurement bar of dial gauge is mutually matched.
3. a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin according to claim 1, it is special
Sign is：Permanent magnet is provided with the step trough of the displacement detecting positioner the top, permanent magnet is directly adsorbed in opening
Draw the upper end surface of the tensioning stationary fixture of bearing pin connection.
4. a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin according to claim 1, it is special
Sign is：The displacement detecting positioner set in tension test groove is in pedestal type structure setting, in the top of the device
Detection boss is provided with, the topmost of detection boss is provided with dial gauge mounting hole, hundred are provided with dial gauge mounting hole
Divide table, the side end of detection boss is provided with dial gauge locking hole；It is provided with the bottom of the detection means and tensioning bearing pin
The arc inside groove that the tensioning stationary fixture of connection matches, arc inside groove are directly connected on tensioning stationary fixture.
5. a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin according to claim 4, it is special
Sign is：The dial gauge mounting hole and the center line of dial gauge locking hole set on the pedestal type displacement detecting positioner is also
Intersect vertically, and the clamping screw being mutually matched with the measurement bar of dial gauge is provided with dial gauge locking hole.
6. a kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin according to claim 5, it is special
Sign is：In the arc inside groove that the tensioning stationary fixture being connected with tensioning bearing pin that the bottom of the detection means is set matches
Internal both ends are additionally provided with permanent magnet, and permanent magnet is directly absorbed and fixed at the upper surface of tensioning stationary fixture corresponding thereto
Place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720784885.8U CN206974354U (en) | 2017-07-01 | 2017-07-01 | A kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720784885.8U CN206974354U (en) | 2017-07-01 | 2017-07-01 | A kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206974354U true CN206974354U (en) | 2018-02-06 |
Family
ID=61407504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720784885.8U Active CN206974354U (en) | 2017-07-01 | 2017-07-01 | A kind of permanent bending flexion measuring device of colliery narrow gage vehicle connecting pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206974354U (en) |
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2017
- 2017-07-01 CN CN201720784885.8U patent/CN206974354U/en active Active
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