CN203053364U

CN203053364U - Deep displacement measuring instrument

Info

Publication number: CN203053364U
Application number: CN 201320037587
Authority: CN
Inventors: 查文华; 王亚林; 华心祝; 熊礼军; 刘小虎; 王小坡
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2013-01-11
Filing date: 2013-01-11
Publication date: 2013-07-10
Anticipated expiration: 2023-01-11

Abstract

The utility model discloses a deep displacement measuring instrument, which comprises a PVC through pipe, a displacement data measuring line and a base-point locating detent. A PVC sheet is arranged in one end of the PVC through pipe. Three PVC arc-shaped sheets are fixed on the outer surface of the PVC through pipe. The inner wall of the other end of the PVC through pipe is provided with an identification line. The deep displacement measuring instrument provided by the utility model can be adopted to measure displacement of mine laneways, side slopes, tunnels and the like. The steel wire rope of the equipment is tightly wrapped by a transparent plastic layer. The inner wall of the plastic layer is marked with a scale of 1mm accuracy. Scales of different base points are represented by different colors. The displacement data measuring line pass through a semi-circle in the PVC through pipe and superfluous parts are sent to the other semi-circle of the PVC through pipe. Then, the pipe opening is sealed by the use of a sealed cap so as to prevent the displacement data measuring line from being damaged during explosion.

Description

A kind of deep displacement measuring instrument

Technical field

The utility model relates to a kind of deep displacement measuring instrument, specifically is the deep displacement of measuring rock mass.

Background technology

In the process of coal mine roadway and tunnel excavation, what the engineering staff was concerned about is the deep displacement of rock mass.Since the light of working environment a little less than, traditional detector for displacement measuring is installed the bad identification of color of back different measuring basic point.During measurement, write down basic point length earlier, after being subjected to displacement, go out to produce length after the displacement with firm tape measure again, twice measured value subtracts each other, and draws shift value.In this case, it is very inconvenient to use the steel tape measurement to get up, and especially under the more weak environment of light and to measure the place more rugged, uses steel tape to measure displacement, and error ratio is bigger.The multipoint displacement meter of selling in the market also damages when explosion easily.

The utility model content

In order to overcome above-mentioned defective, the utility model provides a kind of recognition that makes things convenient for shift value and distinguished different basic points, and is not fragile, and the deep displacement measuring instrument in serviceable life is provided.

The utility model is realized by the following technical solutions, a kind of deep displacement measuring instrument, comprise PVC siphunculus, displacement data slotted line and basic point locating detent, be provided with a PVC thin slice in described PVC siphunculus one end, described PVC siphunculus outside surface fixedly has three PVC arc-like sheets, and described PVC siphunculus other end inwall is provided with a tag line.

As optimized technical scheme, an end of described tag line is furnished with a gland bonnet outward, and described gland bonnet is arranged on the PVC siphunculus.

As optimized technical scheme, the upper surface of described PVC siphunculus and gland bonnet corresponding position is provided with a hole.

As optimized technical scheme, be steel wire in the middle of the described displacement data slotted line, described steel wire outside is transparent plastic layer, and described steel wire and plastic layer closely glue together, and described plastic layer inwall is marked with the displacement scale mark.

As optimized technical scheme, described basic point locating detent comprises steel pipe and is arranged on the thin iron plate ring in steel pipe outside that be provided with four through holes one on the described steel pipe, described tagger ring is provided with five through holes two, is provided with four iron claws around the described steel pipe.

As optimized technical scheme, described displacement data slotted line is fixedly installed in the steel pipe.

The beneficial effects of the utility model are: owing to closely be wrapped in the layer of transparent plastics in displacement data slotted line outside, be marked with the scale mark that 1mm grows at interval at plastic liner, scale mark adopts different colours to represent; When carrying out displacement measurement, locate the shift measurement basic point earlier; After being subjected to displacement, read that the relative length between the scale mark and starting point scale mark gets final product after the displacement; The displacement data slotted line passes by a semicircle of PVC siphunculus, and the displacement data slotted line of unnecessary length sends back in testing process in another semicircle of PVC siphunculus, builds gland bonnet, and the displacement data slotted line is sealed.When needs are read displacement, open gland bonnet and take out the displacement data slotted line and take reading and get final product; Make things convenient for the recognition of shift value, distinguish different basic points easily, gland bonnet can be protected not sensitive for damages of displacement data measuring instrument when explosion takes place.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is PVC siphunculus synoptic diagram;

Fig. 2 is the sectional view at PVC siphunculus C-C place;

Fig. 3 is basic point locating detent synoptic diagram;

Fig. 4 is displacement data slotted line synoptic diagram;

Fig. 5 is overall schematic of the present utility model;

1.PVC siphunculus among the figure, 2.PVC thin slice, 3. tag line, 4.PVC arc-like sheet, 5. hole, 6. gland bonnet, 7. steel pipe, 8. iron plate ring, 9. iron claw, 10. hole, 11. plastic layers, 12. steel wires, 13. displacement scale marks, 14. displacement data slotted lines, 15. basic point locating detents.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described.

In the embodiment shown in fig. 1, PVC siphunculus 1 long 300mm, thick 2mm, port are divided into A port and B port; Three PVC arc-like sheets 4 that vertically are in line and arrange are arranged, 60 ° of crooked radians, long 35mm, wide 10mm, thick 1.5mm above the B port outer wall; On PVC siphunculus 1, the other end is crooked to pipe outside with screw fixings for arc-like sheet 4 one ends, three arc-like sheets first apart from B port 7mm, per two arc-like sheet spacing distances all are 42mm; To this segment length of B port and the positive center of pipe profile a PVC thin slice 2 that 1mm is thick is arranged from the A port 30mm of PVC siphunculus 1, this section of 300mm hollow tube is opened from middle average mark along diameter, become two semicircle pipes 1. and 2..At A port inner wall 10mm place one tag line 3 is arranged, as the initial baseline of recognition displacement; Be furnished with a gland bonnet 6 in the outside of A port, gland bonnet 6 links to each other with a rope with PVC siphunculus 1 outer wall, and fasten respectively on hole 5 at the rope two ends.

In embodiment illustrated in fig. 2, the basic point locating detent is the steel pipe 7 of four iron wires that distributed all around, the long 180mm of steel pipe, thickness of pipe 0.3mm, external diameter 12mm; Steel pipe 7 one end distances have two apertures from port 5mm place, and two apertures are symmetrically distributed on the steel pipe, hole diameter 2.5mm; On the tube wall perpendicular to two hole diameters, have onesize two apertures, two apertures are 10mm apart from the steel cylinder Edge Distance.

In embodiment illustrated in fig. 2, steel pipe 7 outsides are with an iron plate ring 8, iron plate ring 8 thick 1.5mm, and the ring internal diameter is identical with outer diameter of steel pipes, and the ring external diameter is 22mm, has four apertures in the center symmetry of encircling, and the diameter of four apertures is identical with the iron wire diameter.Four apertures on the iron plate ring 8 and four aperture position consistencies from top to bottom above the steel pipe.Two iron wire diameter 2.5mm, long 15cm, iron wire penetrate an aperture of iron plate ring 8 earlier, then penetrate the steel pipe 7 a pair of apertures that face, pass at last iron plate ring 8 over against aperture, the length of regulating iron wire makes position, iron wire two on same surface level.Then use the same method and penetrate second iron wire.The termination 10mm length place bending of two iron wires forms claw-like outside steel pipe 7, so claim iron claw 9.Iron plate ring 8 can move up and down, and regulates the angle between iron claw 9 and the steel pipe 7.Open an aperture 10 again in other place of iron plate ring 8, diameter 3mm is used for passing the displacement data slotted line.

In the embodiment shown in fig. 3, displacement data slotted line 14 outsides are transparent plastic layer 11, and steel wire 12 and plastic layer 11 are closely glued together, and both are flexible jointly.Plastic layer 11 inwalls are marked with displacement scale mark 13, and minimum scale is 1mm; The displacement scale mark 13 usefulness different colours of the displacement data slotted line 14 of different basic points represent that inwall scale mark 13 has automatic reflection function, convenient recognition.The one end is fixed on the interior iron claw 9 of steel pipe, and the displacement data slotted line other end stretches out for 7 mouthfuls from steel pipe, penetrates the aperture of 3mm on the iron plate ring 8 again.

2. the displacement data slotted line of stretching semicircle pipe from PVC siphunculus 1A end stretches out, the displacement data slotted line of redundance be transmitted back to second half pipe 1. in, with gland bonnet 6 mouth of pipe is sealed.When using slotted line, open gland bonnet and take out the displacement data slotted line, with the tag line 3 of PVC siphunculus 1A end inwall as with reference to point, identified the initial calibration points of displacement data slotted line, after being subjected to displacement, find the calibration points of displacement data slotted line, the spacing of front and back point-to-point transmission is shift value.

The beneficial effects of the utility model are: make things convenient for the recognition of shift value, distinguish different basic points easily, gland bonnet can be protected not sensitive for damages of displacement data measuring instrument when explosion takes place.

The above only is embodiment of the present utility model, but protection domain of the present utility model is not limited thereto, and any variation or replacement of expecting without creative work all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.

Claims

1. deep displacement measuring instrument, it is characterized in that: comprise PVC siphunculus (1), displacement data slotted line (14) and basic point locating detent (15), be provided with a PVC thin slice (2) in described PVC siphunculus (1) one end, described PVC siphunculus (1) outside surface fixedly has three PVC arc-like sheets (4), and described PVC siphunculus (1) other end inwall is provided with a tag line (3).

2. a kind of deep displacement measuring instrument according to claim 1, it is characterized in that: an end of described tag line (3) is furnished with a gland bonnet (6) outward, and described gland bonnet is arranged on the PVC siphunculus.

3. a kind of deep displacement measuring instrument according to claim 2, it is characterized in that: the upper surface of described PVC siphunculus (1) and gland bonnet (6) corresponding position is provided with a hole (5).

4. a kind of deep displacement measuring instrument according to claim 1, it is characterized in that: be steel wire (12) in the middle of the described displacement data slotted line (14), described steel wire outside is transparent plastic layer (11), described steel wire and plastic layer (11) be gummed closely, and described plastic layer (11) inwall is marked with displacement scale mark (13).

5. a kind of deep displacement measuring instrument according to claim 1, it is characterized in that: described basic point locating detent (15) comprises steel pipe (7) and is arranged on the thin iron plate ring in steel pipe outside, described steel pipe upper end is provided with four through holes one, described tagger ring is provided with five through holes two (10), is provided with four iron claws (9) around the described steel pipe.

6. a kind of deep displacement measuring instrument according to claim 5, it is characterized in that: described displacement data slotted line (14) is fixedly installed in the steel pipe (7).