CN204286286U - Obturation displacement monitor - Google Patents
Obturation displacement monitor Download PDFInfo
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- CN204286286U CN204286286U CN201420587279.3U CN201420587279U CN204286286U CN 204286286 U CN204286286 U CN 204286286U CN 201420587279 U CN201420587279 U CN 201420587279U CN 204286286 U CN204286286 U CN 204286286U
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- inner core
- urceolus
- obturation
- displacement
- sealing shroud
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
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Abstract
A kind of obturation displacement monitor that the utility model proposes, for detecting top board settling amount, comprise for fixing base, for obturation sedimentation movement inner core, for support inner core urceolus, for realizing sealing shroud that urceolus and inner core be tightly connected, for sealing shroud being pressed on the fixing sleeve in urceolus and being used for measuring the detection assembly of obturation settling amount, base is provided with line outlet, inner core is connected with top board, its top is connected with inner core gland bonnet, detect assembly to be located in urceolus, and be connected the displacement to measure inner core with inner core.Compared with prior art, a kind of obturation displacement monitor of the present utility model, its inner core port, to be sealed all reliably between inner core and urceolus, making to detect assembly is in an enclosure space formed between urceolus and inner core, do not disturb by working environment, for having, the filling application scenario of certain hydraulic pressure is also applicable, therefore, and monitoring device reliable operation, long service life.
Description
Technical field
The utility model relates to coal mine safety monitoring apparatus field, is specifically related to a kind of obturation displacement monitor.
Background technology
The method of mining by the way of filling or the method for collecting coal by the means of filling, refer to that the goaf formed in exploitation needs obturator to fill in time, with roof supporting or country rock, prevents and reduce roof caving and distortion, alleviating the pressure of workplace, reduces the destructiveness of superincumbent stratum.Obturation after goaf filling needs special monitoring device to evaluate to the control effects crushed, to judge the load-bearing capacity of obturator; The materials such as sand, cement, spoil, water are generally used due to obturator, the sealing property of existing obturation displacement monitor is poor, the obturator of the material such as sandstone, water easily affects the normal work of obturation displacement monitor, as obturation displacement monitor clamping stagnation, open circuit etc., obturation displacement monitor is even caused successfully to install; Therefore, the obturation displacement monitor of prior art cannot obtain reliable, stable Monitoring Data.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of good seal performance, is easy to install fixing obturation displacement monitor.
The technical solution of the utility model is achieved in that a kind of obturation displacement monitor, for detecting top board settling amount, comprising:
For being fixed on ground base, which is provided with the line outlet for outgoing cable;
For the inner core with obturation sedimentation movement, be connected with top board, its top is connected with the inner core gland bonnet for sealing inner core port;
For supporting the urceolus of inner core, inner core slidably shrinks in urceolus;
For realizing the sealing shroud that urceolus and inner core are tightly connected, be fixed in urceolus, sealing shroud is enclosed within inner core, and is provided with dust-proof seal ring between sealing shroud and inner core;
For sealing shroud being pressed on the fixing sleeve in urceolus, be threaded with urceolus;
For measuring the detection assembly of obturation settling amount, be located in urceolus, and be connected the displacement to measure inner core with inner core;
Further, detection assembly comprises flexible rule box, the tape of crispaturaing in flexible rule box, displacement acquisition assembly and fixed head, the return mechanism for driving tape return to crispatura is provided with in flexible rule box, the free end of tape is fixed on inner core, displacement acquisition assembly is fixed on fixed head, and it contacts to gather displacement with tape.
Further, displacement acquisition assembly comprises the roller and the drum that are compressed tape by left and right, drum is connected with potentiometer, roller is connected with hold-down mechanism.
Further, at least one O-ring seals is provided with between sealing shroud and inner core.
Further, urceolus comprises the first urceolus and the second urceolus, and the second urceolus is connected with whorl of base, is provided with O-ring seals between the second urceolus and base.
Further, inner core gland bonnet is threaded and adds long spiro nail for external extension rod.
Compared with prior art, a kind of obturation displacement monitor that the utility model proposes, its inner core port, to be sealed all reliably between inner core and urceolus, making to detect assembly is in an enclosure space formed between urceolus and inner core, do not disturb by working environment, for having, the filling application scenario of certain hydraulic pressure is also applicable, therefore, and monitoring device reliable operation, long service life.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of obturation displacement monitor of the present utility model;
Fig. 2 is the structural representation of the line outlet of obturation displacement monitor of the present utility model;
Fig. 3 is the structural representation of the potentiometer of obturation displacement monitor of the present utility model.
In figure:
1, base; 2, flexible rule box; 3, drum; 4, the second urceolus; 5, roller; 6, inner core; 7, sealing shroud; 8, the first urceolus; 9, fixing sleeve; 10, dust-proof seal ring; 11, holding screw; 12, tape fixed mechanism; 13, inner core gland bonnet; 14, tape; 15, line outlet; 16, potentiometer; 17, long spiro nail is added; 18, fixed head; 19, O-ring seals.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of obturation displacement monitor as Figure 1-3, for detecting top board settling amount, comprising:
For being fixed on ground base 1, its lower end is big disk, so that displacement monitor is uprightly stablized, which is provided with the line outlet 15 for outgoing cable;
For the inner core 6 with obturation sedimentation movement, be connected with top board, its top is connected with the inner core gland bonnet 13 for sealing inner core 6 port;
For supporting the urceolus of inner core 6, inner core 6 slidably shrinks in urceolus;
For realizing the sealing shroud 7 that urceolus and inner core 6 are tightly connected, be fixed in urceolus, sealing shroud 7 is enclosed within inner core 6, and is provided with dust-proof seal ring 10 between sealing shroud 7 and inner core 6;
For sealing shroud 7 being pressed on the fixing sleeve 9 in urceolus, be threaded with urceolus;
For measuring the detection assembly of obturation settling amount, be located in urceolus, and be connected with inner core 6 displacement measuring inner core 6;
A kind of obturation displacement monitor of the present utility model, during installation, ensure that it is stablized not shake, and inner core 6 upper end is fixedly connected with seam roof, the upper surface of inner core 6 is provided with inner core gland bonnet 13, O-ring seals 19 is provided with between inner core gland bonnet 13 and inner core 6, prevent dust or fluid from flowing to inner core 6 li by inner core 6 upper port, there is relative motion in inner core 6 and urceolus, therefore, there is gap between the two, dust very easily drops in its gap, cause inner core 6 motion clamping stagnation, cause displacement monitoring distortion, the sealing shroud 7 be provided with between inner core 6 and urceolus, can when not affecting both relative motions, isolated outside dust, sandstone and coal grain, water etc., detecting assembly is in the enclosure space of formation between urceolus and inner core 6, do not disturb by working environment, therefore, monitoring device reliable operation, long service life.
As further technical scheme, detect assembly and comprise flexible rule box 2, to crispatura the tape 14 in flexible rule box 2, displacement acquisition assembly and fixed head 18, the return mechanism for driving tape 14 return to crispatura is provided with in flexible rule box 2, return mechanism comprises chi spring and rotating disk, tape 14 is subject to the convergent force of return mechanism all the time, the free end of tape 14 is fixed on inner core 6 by tape fixed mechanism 12, when inner core 6 is moved, tape 14 is mobile corresponding distance under convergent force effect, displacement acquisition assembly is fixed on fixed head 18, it contacts to gather displacement with tape 14, preferably, displacement acquisition assembly comprises the roller 5 and the drum 3 that are compressed tape 14 by left and right, roller 5 and drum 3 all rotatable, roller 5 is connected with hold-down mechanism, roller 5 is made to be pressed on drum 3 by tape 14, when tape 14 is moved, drum 3 has corresponding amount of spin, drive the resistance of potentiometer 16 coaxial with it that corresponding variable quantity occurs, and by cable, signal is sent to Monitor Sub-Station of Less, so that staff understands settling amount in time, and make corresponding decision-making.
As further technical scheme, between sealing shroud 7 and inner core 6, be provided with at least one O-ring seals 19, prevent the material such as dust and fluid from entering in urceolus further.
As further technical scheme, for the ease of detecting the installation of assembly, urceolus comprises the first urceolus 8 of being threaded and the second urceolus 4 is longer than by the second urceolus 4, first urceolus 8, second urceolus 4 is threaded with base 1, is provided with O-ring seals 19 between the second urceolus 4 and base 1.
As further technical scheme, when inner core 6 has reached maximal tensility, when inner core 6 still cannot be connected with top board, inner core gland bonnet 13 is threaded adds long spiro nail 17 for external extension rod.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. an obturation displacement monitor, is characterized in that, comprising:
For being fixed on ground base (1), which is provided with the line outlet (15) for outgoing cable;
For the inner core (6) with obturation sedimentation movement, be connected with top board, its top is connected with the inner core gland bonnet (13) for sealing inner core (6) port;
For supporting the urceolus of described inner core (6), described inner core (6) slidably shrinks in urceolus;
For realizing the sealing shroud (7) that described urceolus and described inner core (6) are tightly connected, be fixed in described urceolus, described sealing shroud (7) is enclosed within described inner core (6), and is provided with dust-proof seal ring (10) between described sealing shroud (7) and described inner core (6);
For described sealing shroud (7) being pressed on the fixing sleeve (9) in described urceolus, be threaded with described urceolus;
For measuring the detection assembly of obturation settling amount, be located in described urceolus, and be connected with described inner core (6) displacement measuring described inner core (6).
2. obturation displacement monitor according to claim 1, it is characterized in that: described detection assembly comprises flexible rule box (2), to crispatura the tape (14) in described flexible rule box (2), displacement acquisition assembly and fixed head (18), the return mechanism for driving described tape (14) return to crispatura is provided with in described flexible rule box (2), the free end of described tape (14) is fixed on described inner core (6), described displacement acquisition assembly is fixed on described fixed head (18), it contacts to gather displacement with described tape (14).
3. obturation displacement monitor according to claim 2, it is characterized in that: described displacement acquisition assembly comprises the roller (5) and the drum (3) that are compressed described tape (14) by left and right, described drum (3) is connected with potentiometer (16), (5) are connected with hold-down mechanism to described roller.
4. obturation displacement monitor according to claim 1, is characterized in that: be provided with at least one O-ring seals (19) between described sealing shroud (7) and described inner core (6).
5. obturation displacement monitor according to claim 1, it is characterized in that: described urceolus comprises the first urceolus (8) and the second urceolus (4), described second urceolus (4) is threaded with described base (1), is provided with O-ring seals (19) between described second urceolus (4) and described base (1).
6. obturation displacement monitor according to claim 1, is characterized in that: described inner core gland bonnet (13) is threaded adds long spiro nail (17) for external extension rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587279.3U CN204286286U (en) | 2014-10-11 | 2014-10-11 | Obturation displacement monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587279.3U CN204286286U (en) | 2014-10-11 | 2014-10-11 | Obturation displacement monitor |
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| Publication Number | Publication Date |
|---|---|
| CN204286286U true CN204286286U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420587279.3U Active CN204286286U (en) | 2014-10-11 | 2014-10-11 | Obturation displacement monitor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386223A (en) * | 2018-01-19 | 2018-08-10 | 北京科技大学 | A kind of two steps mining obturation deformation monitoring method |
| CN111044005A (en) * | 2019-12-31 | 2020-04-21 | 山东科技大学 | Pre-buried formula obturator lateral deformation measuring device |
-
2014
- 2014-10-11 CN CN201420587279.3U patent/CN204286286U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386223A (en) * | 2018-01-19 | 2018-08-10 | 北京科技大学 | A kind of two steps mining obturation deformation monitoring method |
| CN108386223B (en) * | 2018-01-19 | 2019-10-18 | 北京科技大学 | A kind of two steps mining obturation deformation monitoring method |
| CN111044005A (en) * | 2019-12-31 | 2020-04-21 | 山东科技大学 | Pre-buried formula obturator lateral deformation measuring device |
| CN111044005B (en) * | 2019-12-31 | 2021-02-05 | 山东科技大学 | Pre-buried formula obturator lateral deformation measuring device |
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