CN205403661U - Portable measurement coal mine tunnel top bottom plate relative displacement's device - Google Patents
Portable measurement coal mine tunnel top bottom plate relative displacement's device Download PDFInfo
- Publication number
- CN205403661U CN205403661U CN201620193611.7U CN201620193611U CN205403661U CN 205403661 U CN205403661 U CN 205403661U CN 201620193611 U CN201620193611 U CN 201620193611U CN 205403661 U CN205403661 U CN 205403661U
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- China
- Prior art keywords
- pipe
- sleeve pipe
- adjustable pipe
- spring
- relative displacement
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a portable measurement coal mine tunnel top bottom plate relative displacement's device, take over a business the upper end of setting at the activity pipe, the chassis sets up at the sheathed tube lower extreme, the lower extreme of activity pipe stretches into the sheathed tube upper end and can set up by free sliding scale, be provided with the spring between the bottom surface that bottom surface and activity were managed in the sheathed tube, the surface of activity pipe is provided with the scale, the upper end of activity pipe is provided with the button, button and sheathed tube upper end cooperation, the control activity receives spring force and stretches out set outside of tubes at the intraductal or messenger of cover activity pipe so that being held certainly. The utility model discloses a spring will indicate the activity pipe of scale and be in the same place with bushing, utilize scalability messenger's activity pipe of spring freely to slide in the sleeve pipe, distance between the self -adaptation top of roadway bottom plate to pass through reduced size portable in compression spring messenger's activity pipe indentation sleeve pipe when not using.
Description
Technical field
This utility model belongs to roadway support field, especially relates to the device of a kind of portable type measuring coal mine roadway roof and floor relative displacement.
Background technology
Tunnel roof and floor relative displacement is an important indicator in ore pressure monitor, is the important parameter judging improving stability of surrounding rocks in roadway.Special measurement instrument is not had about tunnel roof and floor relative displacement measurement, through frequently with manual measurement, generally use laser range finder or tape measure is crushed distension value at the bottom of value and base plate, manually calculate tunnel roof and floor relative displacement, this measuring method is cumbersome and there is inevitable personal error and often measures inaccurate, and when there being multiple measuring point, survey crew labor intensity is bigger.
Summary of the invention
This utility model is for existing technical problem, the device of a kind of portable type measuring coal mine roadway roof and floor relative displacement is provided, the adjustable pipe of rule will be indicated together with telescopic joint by spring, the scalability utilizing spring can make adjustable pipe in sleeve pipe slidably, distance between the roof and floor of self adaptation tunnel, and reduction volume in adjustable pipe indentation sleeve pipe can be made to be easy to carry by compression spring when not in use.The termination welding of adjustable pipe and sleeve pipe is taken over a business, chassis to increase and the contact area of roof and floor, be conducive to vertical top backplate surface, measure tunnel roof and floor relative displacement more accurately.
For achieving the above object, this utility model provides following technical scheme: the device of a kind of portable type measuring coal mine roadway roof and floor relative displacement, it includes taking over a business, button, adjustable pipe, sleeve pipe, spring and chassis, it is characterized in that, described take over a business to be arranged on the upper end of described adjustable pipe, described chassis is arranged on the lower end of described sleeve pipe, the freely slidable flexible setting in upper end of described sleeve pipe is stretched in the lower end of described adjustable pipe, it is provided with described spring between inner bottom surface and the bottom surface of described adjustable pipe of described sleeve pipe, the surface configuration of described adjustable pipe has scale, the upper end of described adjustable pipe is provided with described button, described button coordinates with the upper end of described sleeve pipe, it is maintained in described sleeve pipe or make described adjustable pipe to be stretched out outside described sleeve pipe by spring force to control described adjustable pipe.
Further, as preferably, the external diameter of described adjustable pipe is less than the external diameter of described sleeve pipe.
Further, as preferably, described button being provided with self-locking spring.
Further, as preferably, described in the cross section taken over a business be up big and down small isosceles trapezoid, and described in take over a business welding and be arranged on the upper end of described adjustable pipe.
Further, as preferably, the cross section on described chassis is lower big little isosceles trapezoid, and the welding of described chassis is arranged on the lower end of described sleeve pipe.
Compared with prior art, the beneficial effects of the utility model are:
This utility model will indicate the adjustable pipe of rule together with telescopic joint by spring, the scalability utilizing spring can make adjustable pipe in sleeve pipe slidably, distance between the roof and floor of self adaptation tunnel, and reduction volume in adjustable pipe indentation sleeve pipe can be made to be easy to carry by compression spring when not in use.The termination welding of adjustable pipe and sleeve pipe is taken over a business, chassis to be to increase and the contact area of roof and floor, be conducive to vertical top backplate surface, measure tunnel roof and floor relative displacement more accurately, when this utility model uses, this device chassis is placed in the base plate place of tested point, start button, adjustable pipe ejects, when adjustable pipe is taken over a business and is fully contacted with top board surface, and the scale value of record adjustable pipe and sleeve pipe junction.This invention apparatus cost is cheap, it is easy to carry about with one, not only can effectively avoiding personal error, and can be greatly reduced the labor intensity of survey crew, this utility model welds pallet in the end of two pipes to be increased the contact area with roof and floor and improves the accuracy of this device when measuring.
Accompanying drawing explanation
Fig. 1 is the structural representation during device Guan Bi of this utility model a kind of portable type measuring coal mine roadway roof and floor relative displacement；
Fig. 2 be a kind of portable type measuring coal mine roadway roof and floor relative displacement device open after measure use time structural representation；
Wherein, 1-takes over a business, 2-button, 3-adjustable pipe, 4-sleeve pipe, 5-spring, 6-chassis, 7-self-locking spring.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1-2，This utility model provides a kind of technical scheme: the device of a kind of portable type measuring coal mine roadway roof and floor relative displacement，It includes taking over a business 1、Button 2、Adjustable pipe 3、Sleeve pipe 4、Spring 5 and chassis 6，It is characterized in that，Described take over a business 1 upper end being arranged on described adjustable pipe 3，Described chassis 6 is arranged on the lower end of described sleeve pipe 4，The freely slidable flexible setting in upper end of described sleeve pipe 4 is stretched in the lower end of described adjustable pipe 3，It is provided with described spring between inner bottom surface and the bottom surface of described adjustable pipe 3 of described sleeve pipe 4，The surface configuration of described adjustable pipe 3 has scale，The upper end of described adjustable pipe 3 is provided with described button 2，Described button 2 coordinates with the upper end of described sleeve pipe 4，It is maintained in described sleeve pipe 4 or make described adjustable pipe 3 to be stretched out outside described sleeve pipe by spring 5 elastic force to control described adjustable pipe 3.
In the present embodiment, the external diameter of described adjustable pipe 3 is less than the external diameter of described sleeve pipe 4.Described button 2 is provided with self-locking spring 7.Described take over a business 1 cross section be up big and down small isosceles trapezoid, and described in take over a business 1 welding and be arranged on the upper end of described adjustable pipe 3.The cross section on described chassis 6 is lower big little isosceles trapezoid, and described chassis 6 welding is arranged on the lower end of described sleeve pipe 4.
This utility model will indicate the adjustable pipe of rule together with telescopic joint by spring, the scalability utilizing spring can make adjustable pipe in sleeve pipe slidably, distance between the roof and floor of self adaptation tunnel, and reduction volume in adjustable pipe indentation sleeve pipe can be made to be easy to carry by compression spring when not in use.The termination welding of adjustable pipe and sleeve pipe is taken over a business, chassis, to increase the contact area with roof and floor, be conducive to vertical top backplate surface, measure tunnel roof and floor relative displacement more accurately, this device chassis being placed in when this utility model uses the base plate place of tested point, starts button, adjustable pipe ejects, when adjustable pipe is taken over a business and is fully contacted with top board surface, the scale value of record adjustable pipe and sleeve pipe junction.This invention apparatus cost is cheap, it is easy to carry about with one, not only can effectively avoiding personal error, and can be greatly reduced the labor intensity of survey crew, this utility model welds pallet in the end of two pipes to be increased the contact area with roof and floor and improves the accuracy of this device when measuring.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, being appreciated that when without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, amendment, replacement and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. the device of a portable type measuring coal mine roadway roof and floor relative displacement, it includes taking over a business, button, adjustable pipe, sleeve pipe, spring and chassis, it is characterized in that, described take over a business to be arranged on the upper end of described adjustable pipe, described chassis is arranged on the lower end of described sleeve pipe, the freely slidable flexible setting in upper end of described sleeve pipe is stretched in the lower end of described adjustable pipe, it is provided with described spring between inner bottom surface and the bottom surface of described adjustable pipe of described sleeve pipe, the surface configuration of described adjustable pipe has scale, the upper end of described adjustable pipe is provided with described button, described button coordinates with the upper end of described sleeve pipe, it is maintained in described sleeve pipe or make described adjustable pipe to be stretched out outside described sleeve pipe by spring force to control described adjustable pipe.
2. the device of a kind of portable type measuring coal mine roadway roof and floor relative displacement according to claim 1, it is characterised in that: the external diameter of described adjustable pipe is less than the external diameter of described sleeve pipe.
3. the device of a kind of portable type measuring coal mine roadway roof and floor relative displacement according to claim 1, it is characterised in that: described button is provided with self-locking spring.
4. the device of a kind of portable type measuring coal mine roadway roof and floor relative displacement according to claim 1, it is characterised in that: described in the cross section taken over a business be up big and down small isosceles trapezoid, and described in take over a business welding and be arranged on the upper end of described adjustable pipe.
5. the device of a kind of portable type measuring coal mine roadway roof and floor relative displacement according to claim 1, it is characterised in that: the cross section on described chassis is lower big little isosceles trapezoid, and the welding of described chassis is arranged on the lower end of described sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193611.7U CN205403661U (en) | 2016-03-11 | 2016-03-11 | Portable measurement coal mine tunnel top bottom plate relative displacement's device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193611.7U CN205403661U (en) | 2016-03-11 | 2016-03-11 | Portable measurement coal mine tunnel top bottom plate relative displacement's device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205403661U true CN205403661U (en) | 2016-07-27 |
Family
ID=56422977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620193611.7U Expired - Fee Related CN205403661U (en) | 2016-03-11 | 2016-03-11 | Portable measurement coal mine tunnel top bottom plate relative displacement's device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205403661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806177A (en) * | 2016-03-07 | 2016-07-27 | 河南理工大学 | Portable measurement device for relative displacement of top board and bottom board of mine laneway |
| CN108731621A (en) * | 2018-05-02 | 2018-11-02 | 华侨大学 | Sea cave hole height development real-time measurement apparatus and method under typhoon wave effect |
-
2016
- 2016-03-11 CN CN201620193611.7U patent/CN205403661U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806177A (en) * | 2016-03-07 | 2016-07-27 | 河南理工大学 | Portable measurement device for relative displacement of top board and bottom board of mine laneway |
| CN108731621A (en) * | 2018-05-02 | 2018-11-02 | 华侨大学 | Sea cave hole height development real-time measurement apparatus and method under typhoon wave effect |
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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: 20160727 Termination date: 20170311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |