CN202361914U - Recoverable multi-point displacement meter - Google Patents
Recoverable multi-point displacement meter Download PDFInfo
- Publication number
- CN202361914U CN202361914U CN2011201861531U CN201120186153U CN202361914U CN 202361914 U CN202361914 U CN 202361914U CN 2011201861531 U CN2011201861531 U CN 2011201861531U CN 201120186153 U CN201120186153 U CN 201120186153U CN 202361914 U CN202361914 U CN 202361914U
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- steel
- nut
- screw rod
- sleeve pipe
- recoverable
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Abstract
The utility model discloses a recoverable multi-point displacement meter. The recoverable multi-point displacement meter is characterized by comprising an aperture reading device, an aperture inner anchoring device and a manual control stick; the aperture inner anchoring device comprises a screw with a waist portion on the rear end, a nut, a sleeve pipe, steel sheet bodies and steel support rods; the front end of the screw and the nut are placed in the sleeve pipe; the steel sheet bodies are uniformly arranged on the circumference of the sleeve pipe and one end of each steel sheet body is hinged to the sleeve pipe; one end of each steel support rod is hinged to the central segment of each steel sheet body, and the other end of each steel support rod is hinged to the nut; when the screw is driven to rotate, the steel support rods are driven by the nut to move correspondingly so that the steel sheet bodies are synchronously unfolded or folded; the manual control stick is an iron pipe with a bayonet part on the front end; and during use, the bayonet part of the manual control stick is clamped on the waist portion of the screw and the screw is driven to rotate through rotation of the manual control stick. The recoverable multi-point displacement meter is simple in use, is labor-saving, is recoverable, and can be continuously used after being recovered.
Description
Technical field
The utility model belongs to a kind of engineering surveying instrument, more specifically relates to a kind of multipoint displacement meter, is mainly used in the displacement of measuring rock stratum in the underground chamber country rock, for the underground chamber effective support provides information accurately.
Background technology
In underground chamber construction projects such as tunnel, underworkings; Engineering technical personnel usually need understand the displacement size and the temporal and spatial evolution thereof of rock stratum in the underground chamber country rock; In order to confirm underground chamber surrounding rock supporting mode and parameter, to guarantee the stability of underground chamber country rock.The displacement of rock stratum is generally measured with multipoint displacement meter in the underground chamber country rock; The method that adopts is on crag, to beat the straight hole of several several meters even tens meters; The different depth place arranges the multipoint displacement meter anchor in the hole as required, by the size of different depth place strata displacement in place, the aperture reading device record country rock.Because the field monitoring frequency is high, the time is long, to being in great demand of equipment, therefore, under the expendable situation of equipment, has caused the waste of resource.
The utility model content
In order to overcome the shortcoming that existing multipoint displacement meter can not reclaim after use, the task of the utility model is to provide a kind of recoverable multipoint displacement meter; Anchor in its hole of taking not only can reclaim multipoint displacement meter after use, and uses simply, laborsaving, and after recovery, can continue to use.
Its technical solution is:
A kind of recoverable multipoint displacement meter comprises anchor and hand control bar in aperture reading device, the hole; In the above-mentioned hole anchor comprise the rear end have the screw rod of the portion of having a waistline, nut, sleeve pipe, some steel disc bodies, with steel disc body steel support bar one to one; Nut is nested with on the leading portion of screw rod; The leading portion of screw rod and nut are placed in the sleeve pipe, and all steel disc bodies arrange evenly that on sleeve pipe circumferential an end of each steel disc body is hinged on the front end outer tube wall of sleeve pipe; One end of each steel support bar is hinged on the central sections of a steel disc body, and the other end is hinged on the nut; When rotating screw bolt, nut moves before and after can be on screw rod, and drives that each steel support bar is corresponding to be moved, and each steel disc body is opened synchronously or draws in; Above-mentioned hand control bar is the iron pipe that a front end has bayonet part, and its internal diameter equals the external diameter of above-mentioned screw rod, and the bayonet part of hand control bar can be stuck in the portion of having a waistline of screw rod during use, drives the screw rod rotation through rotating the hand control bar.
Above-mentioned aperture reading device comprises the H pipe, steel loop and the steel wire that have rule as a portable one-piece; One on above-mentioned steel wire is connected in the hole on the anchor, and the other end is connected on the steel loop; When the rock stratum was subjected to displacement, steel wire can be torn steel loop and have corresponding moving on the H pipe of scale, and the distance that moves through steel loop obtains strata displacement.
Above-mentioned screw rod and nut are provided with the chromium plating antirust coat.
Above-mentioned sleeve pipe is offered axial groove respectively on the tube wall of corresponding each steel support bar position, each steel support bar passes an axial groove respectively and is hinged on the nut corresponding position.
Anchor can be provided with several in the above-mentioned hole.
The utlity model has following useful technique effect:
Compared with prior art, have in the hole anchor and install laborsavingly, do not receive the restriction of field condition; Anchor can reclaim after use fast in the hole, so that use next time, has plurality of advantages such as the resource of saving.In addition, the steel disc body is connected by the steel support bar, and anchor force is big; Screw rod in the hole in the anchor, nut all are coated with protective seam, are difficult for getting rusty.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Fig. 1 is the structural principle synoptic diagram of a kind of embodiment of the utility model, shows anchor in the hole.
Fig. 2 is the A-A broken section structural principle synoptic diagram of Fig. 1 mode.
Fig. 3 is the structural principle synoptic diagram of a kind of embodiment of the utility model, mainly shows the hand control bar.
Fig. 4 is the plan structure principle schematic of Fig. 3 mode.
Fig. 5 is the left TV structure principle schematic of Fig. 3 mode.
Fig. 6 is a kind of use situation figure of the utility model.
Embodiment
Referring to Fig. 1 to Fig. 6, a kind of recoverable multipoint displacement meter comprises anchor 2 and hand control bar 3 in aperture reading device 1, the hole.Anchor can be provided with several as required in the above-mentioned hole, originally is exemplified as four.In each hole anchor 2 comprise the rear end have the screw rod 201 of the portion of having a waistline 4, nut 202, sleeve pipe 203, some steel disc bodies 204, with steel disc body steel support bar 205 one to one.Nut is nested with on the leading portion of screw rod, and the leading portion of screw rod and nut are placed in the sleeve pipe, and above-mentioned screw rod and nut are provided with the chromium plating antirust coat.The quantity of above-mentioned steel disc body is preferably three; Only show one among the figure; Other not shown, all steel disc bodies arrange that evenly an end of each steel disc body is hinged on the front end outer tube wall of sleeve pipe on sleeve pipe circumferential; One end of each steel support bar is hinged on the central sections of steel disc body, and the other end is hinged on the nut; As a kind of optimal way, above-mentioned sleeve pipe is offered axial groove 5 respectively on the tube wall of corresponding each steel support bar position, and each steel support bar passes an axial groove 5 respectively and is hinged on the nut corresponding position.When rotating screw bolt, nut moves before and after can be on screw rod, and drives that each steel support bar is corresponding to be moved, and each steel disc body is opened synchronously or draws in.Above-mentioned hand control bar 3 is iron pipes that a front end has bayonet part 6, and its internal diameter equals the external diameter of above-mentioned screw rod, and the bayonet part 6 of hand control bar can be stuck in the portion of having a waistline 4 of screw rod during use, drives the screw rod rotation through rotating the hand control bar.Above-mentioned aperture reading device 1 comprises the H pipe 101, the steel loop 102 and steel wire 103 that have rule as a portable one-piece; One on above-mentioned steel wire is connected in the hole on the anchor, and the other end is connected on the steel loop; When the rock stratum was subjected to displacement, steel wire can be torn steel loop and have corresponding moving on the H pipe of scale, and the distance that moves through steel loop obtains strata displacement.
The utility model use is roughly following:
(1) at first, in the place that certain underground surrounding rock of chamber surface selection will be tested, use rig to get out diameter 28mm, grow and be the boring about 10m at this measuring point;
(2) prepare anchor in the hole, turn clockwise with artificial operating rod and be with the screw rod of having a waistline, nut is moved to the rear end of sleeve pipe, under the drive of steel support bar, the steel disc body is closed, prepares to get into next step then;
(3) disclose anchor in the hole in the shot borehole with artificial operating rod; And be placed on the position, rock stratum that needs monitoring, be rotated counterclockwise screw rod with artificial operating rod, the nut reach; Under the support power of steel support bar; The steel disc body opens, and carries out anchoring, then steel wire is attached on the calibration loop of aperture reading device;
(4) repeat above (3) step, anchor installs in institute is porose;
(5) after monitoring finishes, the hand control bar is put in the boring, be rotated counterclockwise screw rod, draw steel wire simultaneously, make the hand control masthead in the hole, on the anchor, the steel disc body drawn in, accomplish the recovery of anchor in each hole.
The technology contents of not addressing in the aforesaid way is taked or is used for reference prior art and can realize.
Need to prove that those skilled in the art can also make such or such easy variation pattern under the instruction of this instructions, such as equivalent way, or obvious mode of texturing; These variation patterns all should be within the protection domain of the utility model.
Claims (5)
1. a recoverable multipoint displacement meter is characterized in that comprising anchor and hand control bar in aperture reading device, the hole; In the said hole anchor comprise the rear end have the screw rod of the portion of having a waistline, nut, sleeve pipe, some steel disc bodies, with steel disc body steel support bar one to one; Nut is nested with on the leading portion of screw rod; The leading portion of screw rod and nut are placed in the sleeve pipe, and all steel disc bodies arrange evenly that on sleeve pipe circumferential an end of each steel disc body is hinged on the front end outer tube wall of sleeve pipe; One end of each steel support bar is hinged on the central sections of a steel disc body, and the other end is hinged on the nut; When rotating screw bolt, nut moves before and after can be on screw rod, and drives that each steel support bar is corresponding to be moved, and each steel disc body is opened synchronously or draws in; Said hand control bar is the iron pipe that a front end has bayonet part, and its internal diameter equals the external diameter of above-mentioned screw rod, and the bayonet part of hand control bar can be stuck in the portion of having a waistline of screw rod during use, drives the screw rod rotation through rotating the hand control bar.
2. recoverable multipoint displacement meter according to claim 1 is characterized in that: said aperture reading device comprises the H pipe, steel loop and the steel wire that have rule as a portable one-piece; One on said steel wire is connected in the hole on the anchor, and the other end is connected on the steel loop; When the rock stratum was subjected to displacement, steel wire can be torn steel loop and have corresponding moving on the H pipe of scale, and the distance that moves through steel loop obtains strata displacement.
3. recoverable multipoint displacement meter according to claim 1 is characterized in that: said screw rod and nut are provided with the chromium plating antirust coat.
4. recoverable multipoint displacement meter according to claim 1 is characterized in that: said sleeve pipe is offered axial groove respectively on the tube wall of corresponding each steel support bar position, each steel support bar passes an axial groove respectively and is hinged on the nut corresponding position.
5. recoverable multipoint displacement meter according to claim 1 is characterized in that: anchor is provided with several in the said hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201861531U CN202361914U (en) | 2011-09-27 | 2011-09-27 | Recoverable multi-point displacement meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201861531U CN202361914U (en) | 2011-09-27 | 2011-09-27 | Recoverable multi-point displacement meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202361914U true CN202361914U (en) | 2012-08-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201861531U Expired - Fee Related CN202361914U (en) | 2011-09-27 | 2011-09-27 | Recoverable multi-point displacement meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202361914U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821125A (en) * | 2012-11-19 | 2014-05-28 | 同济大学 | Multifunctional multi-point displacement meter anchor head |
| CN104499511A (en) * | 2014-11-27 | 2015-04-08 | 同济大学 | Spring-arm-type multi-point displacement meter anchor head for soft soil ground layer |
| CN104499474A (en) * | 2014-11-27 | 2015-04-08 | 同济大学 | Folded vane type multipoint displacement meter anchor head |
| CN109489517A (en) * | 2017-09-13 | 2019-03-19 | 富鼎电子科技(嘉善)有限公司 | Detection device |
| CN114608504A (en) * | 2022-01-20 | 2022-06-10 | 温州市瓯江引水发展有限公司 | Replaceable displacement measuring device of diversion tunnel |
| CN116295076A (en) * | 2023-02-13 | 2023-06-23 | 长江水利委员会长江科学院 | Installation guide and locking device for tandem type multi-position displacement measuring meter |
-
2011
- 2011-09-27 CN CN2011201861531U patent/CN202361914U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821125A (en) * | 2012-11-19 | 2014-05-28 | 同济大学 | Multifunctional multi-point displacement meter anchor head |
| CN103821125B (en) * | 2012-11-19 | 2016-01-20 | 同济大学 | A kind of multi-functional multiple position extensometer anchor head |
| CN104499511A (en) * | 2014-11-27 | 2015-04-08 | 同济大学 | Spring-arm-type multi-point displacement meter anchor head for soft soil ground layer |
| CN104499474A (en) * | 2014-11-27 | 2015-04-08 | 同济大学 | Folded vane type multipoint displacement meter anchor head |
| CN104499511B (en) * | 2014-11-27 | 2016-04-20 | 同济大学 | The arm-type multiple position extensometer anchor head of a kind of spring for soft soil layer |
| CN104499474B (en) * | 2014-11-27 | 2016-08-17 | 同济大学 | A kind of folding blade-type multipoint displacement meter anchor head |
| CN109489517A (en) * | 2017-09-13 | 2019-03-19 | 富鼎电子科技(嘉善)有限公司 | Detection device |
| CN114608504A (en) * | 2022-01-20 | 2022-06-10 | 温州市瓯江引水发展有限公司 | Replaceable displacement measuring device of diversion tunnel |
| CN114608504B (en) * | 2022-01-20 | 2024-05-24 | 温州市瓯江引水发展有限公司 | Replaceable displacement measuring device for diversion tunnel |
| CN116295076A (en) * | 2023-02-13 | 2023-06-23 | 长江水利委员会长江科学院 | Installation guide and locking device for tandem type multi-position displacement measuring meter |
| CN116295076B (en) * | 2023-02-13 | 2024-03-26 | 长江水利委员会长江科学院 | Installation guide and locking device for tandem type multi-position displacement measuring meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20140927 |
|
| EXPY | Termination of patent right or utility model |