CN209085495U - A kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device - Google Patents
A kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device Download PDFInfo
- Publication number
- CN209085495U CN209085495U CN201920029861.0U CN201920029861U CN209085495U CN 209085495 U CN209085495 U CN 209085495U CN 201920029861 U CN201920029861 U CN 201920029861U CN 209085495 U CN209085495 U CN 209085495U
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- China
- Prior art keywords
- wall
- sliding groove
- support bar
- fixedly installed
- connection chain
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model belongs to coal mine narrow gage vehicle detection technique field, in particular a kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device, including two fixed blocks, two fixed block sides close to each other offer fixing groove, riffled tube is rotatably equipped in the top inner wall of the fixing groove, the riffled tube internal screw thread is equipped with threaded rod, the bottom end of the threaded rod extends in fixing groove and is fixedly installed with grip block, two fixed block sides close to each other are fixedly installed with first support bar and second support bar respectively, one end of the second support bar offers the first sliding groove, rack gear is fixedly installed at the top of the first support bar, the top inner wall of the rack gear and the first sliding groove is slidably connected.The utility model is easy to operate, practical, can be read after pulling force, effectively protect the personal safety of survey crew.
Description
Technical field
The utility model relates to coal mine narrow gage vehicle detection technique field more particularly to a kind of coal mine narrow gage vehicle connection chains
Permanent elongation measuring device.
Background technique
Coal mine narrow gage vehicle is attached by connection chain, will lead to connection chain when in use and permanent elongation occurs, need
It measures, excludes security risk in time, otherwise will lead to the fracture of vehicle connection chain, threaten to coal miner life, it is existing
Have in technology, is measured by coal mine narrow gage vehicle connection chain permanent elongation measuring device.
Device is fixed in whole extension connection chain by the prior art in measurement, first to connection chain uniform load to maximum
The full-length of elongation measurement end this moment is measured in static load loading, then loads two times of maximum static loading, then gradually
It is offloaded to maximum static loading, measures the sum of each pitch of connection chain, first time measured value is subtracted by second of measured value and is obtained
It must need data.
But in the prior art, it needs manually to go to check numerical value when obtaining measured value, in two times of maximum static of load
When loading, connection chain may be broken at any time, and there are great security risks, for this purpose, proposing a kind of coal mine narrow gage vehicle connection
Chain permanent elongation measuring device.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of coal mine narrow-gauge vehicles proposed
Connection chain permanent elongation measuring device.
To achieve the goals above, the utility model adopts the technical scheme that a kind of coal mine narrow gage vehicle connection chain
Permanent elongation measuring device, including two fixed blocks, two fixed block sides close to each other offer fixing groove, described solid
Determine to be rotatably equipped with riffled tube in the top inner wall of slot, the riffled tube internal screw thread is equipped with threaded rod, the threaded rod
Bottom end extend in fixing groove and be fixedly installed with grip block, two fixed block sides close to each other are fixedly installed with respectively
First support bar and second support bar, one end of the second support bar offer the first sliding groove, the first support bar
Top is fixedly installed with rack gear, and the top inner wall of the rack gear and the first sliding groove is slidably connected, solid in first sliding groove
Dingan County is equipped with sliding bar, and one end of the first support bar offers the second sliding groove, the inner wall and cunning of second sliding groove
Lever is slidably connected, and bayonet lock is slidably fitted in the top inner wall of first sliding groove, and the bayonet lock is adapted with rack gear, institute
The top for stating bayonet lock extends to outside the first sliding groove and is fixedly installed with handle, and the outside sliding sleeve of the bayonet lock is equipped with spring,
The top of the spring is fixedly connected with handle, and the bottom end of the spring is fixedly connected with second support bar, first support
The bottom of bar is fixedly installed with graduated scale, and the bottom interior wall of the graduated scale and the first sliding groove is slidably connected.
Preferably, the bottom end of the bayonet lock is equipped with inclined-plane, and the inclined-plane is in contact with rack gear.
Preferably, sliding eye, the inner wall and bayonet lock of the sliding eye are offered in the top inner wall of first sliding groove
It is slidably connected.
Preferably, it is symmetrically opened up on the two sides inner wall of the sliding eye there are two the first limiting slot, it is symmetrical on the bayonet lock
It is fixedly mounted there are two the first limited block, the inner wall of first limiting slot is slidably connected with corresponding first limited block.
Preferably, the second limiting slot, the cunning are offered in the top inner wall and bottom interior wall of second sliding groove
It is fixedly mounted in lever there are two the second limited block, the inner wall of second limiting slot is slided with corresponding second limited block to be connected
It connects.
Preferably, rotation hole, the inner wall and riffled tube of the rotation hole are offered in the top inner wall of the fixing groove
Rotation connection.
Compared with prior art, the utility model has the beneficial effects that firstly, the device passes through fixed block, fixing groove, interior
Screwed pipe, threaded rod, grip block, first support bar, the first sliding groove, rack gear, bayonet lock, spring, graduated scale and inclined-plane match,
In use, fixed block is placed in connection chain, it is located at connection chain in fixing groove, rotates riffled tube, riffled tube drives
Threaded rod moves downward, and threaded rod drives grip block to move downward and be fixed on the device in connection chain, at this point, to connection chain into
Row stretches, and during stretching, first support bar is slided in the first sliding groove, so that first support bar is gradually slided out first sliding
Dynamic slot, rack gear push bayonet lock to slide first support bar can only in the same direction as under the action of spring and inclined-plane, when stopping
When only applying pulling force, first support bar will not enter in the first sliding groove, can be read by graduated scale；
The utility model is easy to operate, practical, can be read after pulling force, effectively protect measurement
The personal safety of personnel.
Detailed description of the invention
Fig. 1 faces schematic cross-sectional view for the utility model；
Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram of part B in Fig. 1；
Fig. 4 is the diagrammatic side-view cross-sectional structural schematic diagram of the utility model；
Fig. 5 is the mounting structure schematic diagram of the utility model.
In figure: 1, fixed block；2, fixing groove；3, riffled tube；4, threaded rod；5, grip block；6, first support bar；7,
Two support rods；8, the first sliding groove；9, rack gear；10, sliding bar；11, the second sliding groove；12, bayonet lock；13, handle；14, spring；
15, graduated scale.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of coal mine narrow gage vehicle connection chain permanent elongation
Measuring device, including two fixed blocks 1, two sides close to each other of fixed block 1 offer fixing groove 2, the top of fixing groove 2
Riffled tube 3 is rotatably equipped on portion's inner wall, 3 internal screw thread of riffled tube is equipped with threaded rod 4, and the bottom end of threaded rod 4 extends to
In fixing groove 2 and it is fixedly installed with grip block 5, two fixed blocks 1 side close to each other is fixedly installed with the first support respectively
Bar 6 and second support bar 7, one end of second support bar 7 offer the first sliding groove 8, and the top of first support bar 6 is fixedly mounted
There is rack gear 9, rack gear 9 and the top inner wall of the first sliding groove 8 are slidably connected, it is fixedly installed with sliding bar 10 in the first sliding groove 8,
One end of first support bar 6 offers the second sliding groove 11, and inner wall and the sliding bar 10 of the second sliding groove 11 are slidably connected, and first
Bayonet lock 12 is slidably fitted in the top inner wall of sliding groove 8, bayonet lock 12 is adapted with rack gear 9, and the top of bayonet lock 12 extends to
One sliding groove 8 is outer and is fixedly installed with handle 13, and the outside sliding sleeve of bayonet lock 12 is equipped with spring 14, the top of spring 14 and handle
13 are fixedly connected, and the bottom end of spring 14 is fixedly connected with second support bar 7, and the bottom of first support bar 6 is fixedly installed with scale
Ruler 15, graduated scale 15 and the bottom interior wall of the first sliding groove 8 are slidably connected；
The bottom end of bayonet lock 12 is equipped with inclined-plane, and inclined-plane is in contact with rack gear, offers cunning in the top inner wall of the first sliding groove 8
Dynamic hole, inner wall and the bayonet lock 12 of sliding eye are slidably connected, and are symmetrically opened up on the two sides inner wall of sliding eye there are two the first limiting slot,
It is symmetrically fixedly mounted on bayonet lock 12 there are two the first limited block, the inner wall of the first limiting slot is slided with corresponding first limited block to be connected
It connects, the second limiting slot is offered in the top inner wall and bottom interior wall of the second sliding groove 11, is fixedly installed on sliding bar 10
Two the second limited blocks, the inner wall of the second limiting slot is slidably connected with corresponding second limited block, in the top inner wall of fixing groove 2
Rotation hole is offered, the inner wall and riffled tube 3 of rotation hole are rotatablely connected, which passes through fixed block 1, fixing groove 2, internal screw thread
Pipe 3, threaded rod 4, grip block 5, first support bar 6, the first sliding groove 8, rack gear 9, bayonet lock 12, spring 14, graduated scale 15 and tiltedly
Face matches, in use, fixed block 1 is placed in connection chain, is located at connection chain in fixing groove 2, rotates riffled tube 3,
Riffled tube 3 drives threaded rod 4 to move downward, and threaded rod 4, which drives grip block 5 to move downward, makes the device be fixed on connection chain
On, at this point, stretching to connection chain, during stretching, first support bar 6 is slided in the first sliding groove 8, makes first
Strut 6 gradually slides out the first sliding groove 8, and rack gear 9 pushes bayonet lock 12 to make the first support under the action of spring 14 and inclined-plane
Bar 6 can only slide in the same direction as, and when stopping applying pulling force, first support bar 6 will not enter in the first sliding groove 8, lead to
Scaleover ruler 15 can be read, and the utility model is easy to operate, practical, can be read after pulling force,
Effectively protect the personal safety of survey crew.
Working principle: in use, fixed block 1 is placed in connection chain, it is located at connection chain in fixing groove 2, in rotation
Screwed pipe 3, riffled tube 3 drive threaded rod 4 to move downward, and threaded rod 4, which drives grip block 5 to move downward, is fixed on the device
In connection chain, at this point, stretching to connection chain, during stretching, first support bar 6 is slided in the first sliding groove 8, is made
First support bar 6 gradually slides out the first sliding groove 8, and rack gear 9 pushes bayonet lock 12, under the action of spring 14 and inclined-plane, makes the
One support rod 6 can only slide in the same direction as, and when stopping applying pulling force, first support bar 6 will not enter the first sliding groove 8
It is interior, it can be read by graduated scale 15.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device, including two fixed blocks (1), it is characterised in that:
Two fixed block (1) sides close to each other offer fixing groove (2), are rotatablely installed in the top inner wall of the fixing groove (2)
Have riffled tube (3), riffled tube (3) internal screw thread is equipped with threaded rod (4), and the bottom end of the threaded rod (4) extends to
It in fixing groove (2) and is fixedly installed with grip block (5), two fixed block (1) sides close to each other are fixedly installed with the respectively
One end of one support rod (6) and second support bar (7), the second support bar (7) offers the first sliding groove (8), and described
It is fixedly installed at the top of one support rod (6) rack gear (9), the top inner wall of the rack gear (9) and the first sliding groove (8), which is slided, to be connected
It connects, is fixedly installed with sliding bar (10) in first sliding groove (8), one end of the first support bar (6) offers second
Sliding groove (11), inner wall and the sliding bar (10) of second sliding groove (11) are slidably connected, the top of first sliding groove (8)
It is slidably fitted on portion's inner wall bayonet lock (12), the bayonet lock (12) is adapted with rack gear (9), and the top of the bayonet lock (12) extends
It outside and is fixedly installed with handle (13) to the first sliding groove (8), the outside sliding sleeve of the bayonet lock (12) is equipped with spring (14), institute
The top for stating spring (14) is fixedly connected with handle (13), and the bottom end of the spring (14) is fixedly connected with second support bar (7),
The bottom of the first support bar (6) is fixedly installed with graduated scale (15), the bottom of the graduated scale (15) and the first sliding groove (8)
Portion's inner wall is slidably connected.
2. a kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device according to claim 1, it is characterised in that:
The bottom end of the bayonet lock (12) is equipped with inclined-plane, and the inclined-plane is in contact with rack gear.
3. a kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device according to claim 1, it is characterised in that:
Sliding eye is offered in the top inner wall of first sliding groove (8), inner wall and the bayonet lock (12) of the sliding eye are slidably connected.
4. a kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device according to claim 3, it is characterised in that:
It is symmetrically opened up on the two sides inner wall of the sliding eye there are two the first limiting slot, is symmetrically fixedly installed with two on the bayonet lock (12)
A first limited block, the inner wall of first limiting slot are slidably connected with corresponding first limited block.
5. a kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device according to claim 1, it is characterised in that:
The second limiting slot is offered in the top inner wall and bottom interior wall of second sliding groove (11), is consolidated on the sliding bar (10)
There are two the second limited block, the inner wall of second limiting slot is slidably connected Dingan County's dress with corresponding second limited block.
6. a kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device according to claim 1, it is characterised in that:
Rotation hole is offered in the top inner wall of the fixing groove (2), the inner wall of the rotation hole and riffled tube (3) are rotatablely connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029861.0U CN209085495U (en) | 2019-01-08 | 2019-01-08 | A kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029861.0U CN209085495U (en) | 2019-01-08 | 2019-01-08 | A kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209085495U true CN209085495U (en) | 2019-07-09 |
Family
ID=67127914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920029861.0U Expired - Fee Related CN209085495U (en) | 2019-01-08 | 2019-01-08 | A kind of coal mine narrow gage vehicle connection chain permanent elongation measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209085495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779017A (en) * | 2020-06-08 | 2020-10-16 | 河北腾是达金属结构有限公司 | Wind power foundation structure based on double-corrugated steel cylinder forming |
-
2019
- 2019-01-08 CN CN201920029861.0U patent/CN209085495U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779017A (en) * | 2020-06-08 | 2020-10-16 | 河北腾是达金属结构有限公司 | Wind power foundation structure based on double-corrugated steel cylinder forming |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20210108 |