CN203396314U - Rope-pulling type displacement meter calibration device - Google Patents

Rope-pulling type displacement meter calibration device Download PDF

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Publication number
CN203396314U
CN203396314U CN201320391893.8U CN201320391893U CN203396314U CN 203396314 U CN203396314 U CN 203396314U CN 201320391893 U CN201320391893 U CN 201320391893U CN 203396314 U CN203396314 U CN 203396314U
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CN
China
Prior art keywords
displacement meter
fixed support
fixed
screw
digital display
Prior art date
Application number
CN201320391893.8U
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Chinese (zh)
Inventor
刘建平
杨卓
徐锐
孙芳
葛林
郝建
Original Assignee
航天科工惯性技术有限公司
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Priority to CN201320391893.8U priority Critical patent/CN203396314U/en
Application granted granted Critical
Publication of CN203396314U publication Critical patent/CN203396314U/en

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Abstract

The utility model provides a rope-pulling type displacement meter calibration device which includes a ball screw, a digital display height gauge, a mobile bracket, a front fixed bracket, a back fixed bracket, a support plate, a displacement meter fixed seat, a pull rod, a linear bearing, a guide rail, a rocker, a pressing plate, a front screw support seat and a back screw support seat. A to-be-measured displacement meter is arranged on the displacement meter fixed seat; and a sensor rope head is fixed on the pull rod. In the utility model, the ball screw serves as the power input of the linear motion of the displacement meter rope head, so that the accurate micro feed is ensured; the displacement meter rope head can be accurately pulled to the random length; and no further fixing is required after the displacement meter rope head is pulled to the specified length, and the rope head position does not change.

Description

A kind of dragline type displacement meter calibration device

Technical field

The utility model relates to a kind of dragline type displacement meter calibration device, belongs to field of mechanical technique.

Background technology

Dragline type displacement meter is a kind of conventional displacement measurement instrument, is usually used in the surface cracks monitoring of side slope, roadbed, Dangerous Rock Body, and its conventional range is generally within 1000mm.Before installing at the scene, need its sensitivity to check, its measuring accuracy is calibrated and demarcated.Conventional method is at present, manually pulls out bracing wire and utilizes steel tape to carry out assisted calibration and demarcation, and not only stated accuracy cannot guarantee, operation is very inconvenience also.

Invention is that the Chinese invention patent CNI01713630A of " stay cable type displacement meter calibration device " has proposed a kind of displacement meter calibration device, be characterized in operating by the circulating section of mechanical type vernier caliper and card line bolt, can on the vernier caliper of 300mm range, realize the demarcation of the dragline type displacement meter of wide range.Its advantage is to realize the demarcation of super large range displacement meter.Its shortcoming is to adopt the vernier caliper segmentation of 300mm range to demarcate, and has cumulative errors, and particularly wide range timing signal cumulative errors can be very large; In operating process, need repeatedly to tighten the bolt that unclamps reel and card line bolt, operate relatively loaded down with trivial detailsly, easily bring personal error into, and the bolt that blocks line bolt can cause extruding to stay cord, can affect stay cord quality and measuring accuracy.

Invention is the fast calibration device that the Chinese utility model patent CN202216681U of " Quick calibration bench for draw wire type displacement meter " has proposed a kind of guy type displacement meter, be characterized in not by survey instrument, utilize the pilot hole and the stay column that is installed on pilot hole of base equal intervals, realize calibration and demarcation in fixed position.That its advantage is is simple in structure, easy to operate, cost is low.Its shortcoming is to calibrate and to demarcate in other position outside pilot hole, gap between pilot hole and stay column can increase the error of displacement meter calibration, and plug can cause wearing and tearing for a long time, affects stated accuracy, this method is not easy to determine displacement meter zero bit position in addition.

Utility model content

The purpose of this utility model is to overcome prior art deficiency, and a kind of high-level efficiency, high-precision dragline type displacement meter calibration device are provided.

Technical solution of the present utility model: a kind of dragline type displacement meter calibration device, comprises ball-screw, digital display height gauge, traversing carriage, front fixed support, rear fixed support, supporting plate, displacement meter holder, pull bar, linear bearing, guide rail, rocking bar, pressing plate, front leading screw support seat and rear leading screw support seat, described digital display height gauge consists of stainless rule and digital display dial plate, one end of stainless rule and rear fixed support are fixed, the other end is fixed by pressing plate and front fixed support, digital display dial plate and traversing carriage are connected, ball-screw two ends are fixed by front leading screw support seat and rear leading screw support seat and front fixed support and rear fixed support respectively, guide rail two ends are respectively by fixing with front fixed support and rear fixed support, guide rail is connected with traversing carriage by linear bearing, traversing carriage is connected with the nut of ball-screw, supporting plate is fixed on rear support bracket fastened one end, displacement meter holder is arranged on supporting plate, displacement meter to be measured position is arranged on displacement meter holder, the fag end of sensor to be measured is fixedly mounted on pull bar, pull bar is fixed on traversing carriage bottom, rocking bar is fixed on the end of ball-screw.

The quantity of described pull bar is more than 1 or 1.

Described displacement meter holder both sides processing slotted hole, installs 1 or 1 above displacement meter to be measured on displacement meter holder.

Also comprise adjustment lower margin, adjust lower margin and be arranged on front fixed support and rear support bracket fastened bottom.

The utility model beneficial effect compared with prior art:

(1) the utility model adopts ball-screw as the straight-line power input of displacement meter fag end, can guarantee to realize accurate micro-feeding, can accurately displacement meter fag end be drawn out to any designated length, and after putting in place without fixing, fag end position can not change;

(2) the utility model adopts digital display height gauge as the survey instrument of the actual amount of pulling out of displacement meter, and precision is high, and measuring accuracy is 0.01mm, and convenient reading can directly be read measured value from digital display dial plate;

(3) in the utility model operating process, do not need bracing wire and the fag end of artificial contact displacement meter, can not bring personal error into, improved the precision of demarcating;

(4) the utility model can be demarcated when can realize many displacement meters by increasing the quantity of pull bar and the expansion of displacement meter holder, increases work efficiency;

(5) slotted hole designing on displacement meter holder of the present utility model, can adjust the position of displacement meter, guarantees that position that displacement meter is not drawn out is as the zero-bit of sensor.

Accompanying drawing explanation

Fig. 1 is the utility model one-piece construction schematic diagram;

Fig. 2 is the utility model front view;

Fig. 3 is the utility model cut-open view;

Fig. 4 is the utility model side view.

Embodiment

Below in conjunction with accompanying drawing and instantiation, the utility model is elaborated.

The utility model as shown in Figure 1,2,3, 4, comprises ball-screw 1, digital display height gauge 2, traversing carriage 3, front fixed support 4, rear fixed support 5, supporting plate 6, displacement meter holder 7, pull bar 8, linear bearing 9, guide rail 10, rocking bar 11, pressing plate 12, adjusts lower margin 13, front leading screw support seat 14, rear leading screw support seat 15, set nut 16.

Digital display height gauge 2 consists of stainless rule and digital display dial plate, there are two mounting holes one end of stainless rule, fixing with bolt and rear fixed support 5, the other end is fastened on front fixed support 4 by pressing plate 12, and digital display dial plate is fixing by a fastening bolt and traversing carriage 3.Respectively there are two shoulders highly identical and position is symmetrical front fixed support 4 and rear fixed support 5 both sides, and two guide rail 10 two ends are fixed on shoulder by four screws.

The power intake of ball-screw 1 is stiff end, and the other end is for supporting end.Stiff end coordinates with front leading screw support seat 14 endoporus, and is fastened in front leading screw support seat 14 with set nut 16, prevents leading screw axially-movable, and front leading screw support seat 14 is connected with front fixed support 4 by its flange; Support end to coordinate with rear leading screw support seat 15 endoporus, rear leading screw support seat 15 is connected with rear fixed support 5 by flange.Between ball-screw 1 and support seat 14,15, adopt transition fit.Adjust lower margin 13 for four and be arranged on front fixed support 4 and rear fixed support 5, for regulating whole device level.The utility model adopts ball-screw as the straight-line power input of displacement meter fag end, advantage is that frictional resistance is little, staring torque is minimum, high without sideshake, rigidity, move reversible, can guarantee to realize accurate micro-feeding, therefore can accurately displacement meter fag end be drawn out to any designated length, and after putting in place,, without fixing, fag end position can not change.

Two guide rails 10 are column type stainless steel guide rails, and there is an aluminium alloy bracing frame its underpart, can guarantee the bending strength of guide rail, respectively have a linear bearing 9 to coordinate with it on two guide rails, and linear bearing 9 upper surfaces have four mounting holes.The flange that traversing carriage 3 center pits carry with feed screw nut is connected, and both sides are fixing by four screws and linear bearing 9.

Supporting plate 6 is fixed on rear fixed support 5, for displacement meter holder 7 is installed.Displacement meter holder 7 has two slotted holes for fixing displacement meter ,Qi to be measured both sides, for adjusting the position of displacement meter, while making displacement meter calibration in zero-bit position.Pull bar 8 is fixed on traversing carriage 3 bottoms by a screw, for fixation of sensor fag end.Rocking bar 12 is fixed on the end of ball-screw by a flat key, for artificial rotation ball leading screw 1, realize the rectilinear motion of displacement fag end.Increase the quantity of pull bar and the expansion of displacement meter holder, when can realize many displacement meters, demarcate.

The utility model principle of work: drive traversing carriage 3, digital display dial plate, pull bar 8 to move along guide rail 10 synchronous linears when ball-screw 1 rotates, pull bar 8 is pulled out displacement meter fag end simultaneously, and the length that fag end is pulled out can be read by digital display dial plate.Give displacement meter power supply to be measured, and gather the output valve of displacement meter.The precision of digital display height gauge is 0.01mm, and dragline type displacement meter General Requirements measuring accuracy is 1mm.Record displacement meter in the actual amount of pulling out of assigned address and the output valve of displacement meter, both compare the precision that can demarcate displacement meter.

The unspecified part of the utility model is known to the skilled person technology.

Claims (4)

1. a dragline type displacement meter calibration device, it is characterized in that: comprise ball-screw (1), digital display height gauge (2), traversing carriage (3), front fixed support (4), rear fixed support (5), supporting plate (6), displacement meter holder (7), pull bar (8), linear bearing (9), guide rail (10), rocking bar (11), pressing plate (12), front leading screw support seat (14) and rear leading screw support seat (15), described digital display height gauge (2) consists of stainless rule and digital display dial plate, one end of stainless rule and rear fixed support (5) are fixing, the other end is fixing by pressing plate (12) and front fixed support (4), digital display dial plate and traversing carriage (3) are connected, ball-screw (1) two ends are fixing with front fixed support (4) and rear fixed support (5) by front leading screw support seat (14) and rear leading screw support seat (15) respectively, guide rail (10) two ends are respectively by fixing with front fixed support (4) and rear fixed support (5), guide rail (10) is connected with traversing carriage (3) by linear bearing (9), traversing carriage (3) is connected with the nut of ball-screw (1), supporting plate (6) is fixed on one end of rear fixed support (5), displacement meter holder (7) is arranged on supporting plate (6), displacement meter to be measured position is arranged on displacement meter holder (7), the fag end of sensor to be measured is fixedly mounted on pull bar (8), pull bar (8) is fixed on traversing carriage (3) bottom, rocking bar (12) is fixed on the end of ball-screw (1).
2. a kind of dragline type displacement meter calibration device according to claim 1, is characterized in that: the quantity of described pull bar (8) is more than 1.
3. a kind of dragline type displacement meter calibration device according to claim 1, is characterized in that: described displacement meter holder (7) both sides processing slotted hole, 1 above displacement meter to be measured of the upper installation of displacement meter holder (7).
4. a kind of dragline type displacement meter calibration device according to claim 1, is characterized in that: also comprise and adjust lower margin (13), adjust lower margin (13) and be arranged on front fixed support (4) and rear fixed support (5) bottom.
CN201320391893.8U 2013-07-03 2013-07-03 Rope-pulling type displacement meter calibration device CN203396314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320391893.8U CN203396314U (en) 2013-07-03 2013-07-03 Rope-pulling type displacement meter calibration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320391893.8U CN203396314U (en) 2013-07-03 2013-07-03 Rope-pulling type displacement meter calibration device

Publications (1)

Publication Number Publication Date
CN203396314U true CN203396314U (en) 2014-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320391893.8U CN203396314U (en) 2013-07-03 2013-07-03 Rope-pulling type displacement meter calibration device

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104316009A (en) * 2014-10-30 2015-01-28 张得礼 Dynamic measurement error compensation method based on pull rope encoder measuring system
CN104457495A (en) * 2014-12-08 2015-03-25 太原科技大学 Displacement sensor detecting device
CN104677219A (en) * 2015-03-24 2015-06-03 江南大学 Automatic detection method and device for digital caliper
CN105241321A (en) * 2015-10-29 2016-01-13 江南大学 Digital display caliper automatic detection system
CN109470190A (en) * 2018-11-09 2019-03-15 中国直升机设计研究所 Rod-pulling type displacement sensor fixes device
CN110207633A (en) * 2019-04-30 2019-09-06 武汉船用机械有限责任公司 Dragline type distance measuring sensor accuracy detection tooling and detection method
CN110823151A (en) * 2019-10-15 2020-02-21 武汉船用机械有限责任公司 Test tool for underwater pull rope sensor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104316009A (en) * 2014-10-30 2015-01-28 张得礼 Dynamic measurement error compensation method based on pull rope encoder measuring system
CN104316009B (en) * 2014-10-30 2019-12-24 南京航空航天大学 Dynamic measurement error compensation method based on pull rope encoder measurement system
CN104457495A (en) * 2014-12-08 2015-03-25 太原科技大学 Displacement sensor detecting device
CN104677219A (en) * 2015-03-24 2015-06-03 江南大学 Automatic detection method and device for digital caliper
CN105241321A (en) * 2015-10-29 2016-01-13 江南大学 Digital display caliper automatic detection system
CN109470190A (en) * 2018-11-09 2019-03-15 中国直升机设计研究所 Rod-pulling type displacement sensor fixes device
CN110207633A (en) * 2019-04-30 2019-09-06 武汉船用机械有限责任公司 Dragline type distance measuring sensor accuracy detection tooling and detection method
CN110823151A (en) * 2019-10-15 2020-02-21 武汉船用机械有限责任公司 Test tool for underwater pull rope sensor

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