CN203672345U - Hydropower station vertical line coordinator accuracy onsite test general calibration frame - Google Patents

Hydropower station vertical line coordinator accuracy onsite test general calibration frame Download PDF

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Publication number
CN203672345U
CN203672345U CN201320832441.9U CN201320832441U CN203672345U CN 203672345 U CN203672345 U CN 203672345U CN 201320832441 U CN201320832441 U CN 201320832441U CN 203672345 U CN203672345 U CN 203672345U
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CN
China
Prior art keywords
accuracy
steel disc
calibration frame
general calibration
test general
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Expired - Fee Related
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CN201320832441.9U
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Chinese (zh)
Inventor
吕高峰
王玉洁
周建波
崔何亮
吴伟
余成钢
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Hydrochina East China Engineering Corp
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Hydrochina East China Engineering Corp
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Priority to CN201320832441.9U priority Critical patent/CN203672345U/en
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Publication of CN203672345U publication Critical patent/CN203672345U/en
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Abstract

The utility model relates to a hydropower station vertical line coordinator accuracy onsite test general calibration frame, and aims to provide the hydropower station vertical line coordinator accuracy onsite test general calibration frame with wide application scope, simple operation and high accuracy; the technical scheme is that the hydropower station vertical line coordinator accuracy onsite test general calibration frame comprises a fixed mounting pedestal, a support fixed on the pedestal and a screw rod horizontally and rotatably arranged on the support; one end of the screw rod is provided with a rotary disc, and the screw rod is sleeved with a sleeve pipe moving along the screw rod; the sleeve pipe is connected with a mobile piece; a link rod parallel with the screw rod is arranged on the mobile piece; one end of the link rod is provided with a wire clamp; a vernier caliper is arranged on the support, wherein the caliper is parallel with the screw rod, and the vernier is fixed on the mobile piece. The hydropower station vertical line coordinator accuracy onsite test general calibration frame is suitable for a hydropower station vertical line monitoring system.

Description

Power station plumb line coordinator accuracy on-the-spot test general calibration frame
Technical field
The utility model relates to a kind of power station plumb line coordinator accuracy on-the-spot test general calibration frame.Be applicable to power station vertical line monitoring system.
Background technology
Vertical line is widely used in the deformation monitoring of power station, and its reading device plumb line coordinator accuracy is an important indicator.In the actual use procedure in power station, often can encounter because the accurate hydraulic performance decline of coelosphere causes monitoring result and not meet engineering actual conditions.For checking the accuracy of plumb line coordinator reading, need to utilize demarcation frame to carry out on-the-spot accuracy test to plumb line coordinator.
Power station vertical line system has many production units at home and abroad, and the vertical line system of different manufacturers also has different field conditions after install in power station.There are several problems in existing power station plumb line coordinator accuracy test calibration frame: it is large 1, to demarcate the fixing limitation of frame in operating process, and 2, clamp operation is too loaded down with trivial details, 3, dial gauge separates and fix with demarcation frame, accuracy is low.The problem that former demarcation frame exists makes the loaded down with trivial details and inefficiency of power station plumb line coordinator accuracy on-the-spot test work.
Summary of the invention
The technical problems to be solved in the utility model is: for the problem of above-mentioned existence, provide a kind of widely applicable, easy and simple to handle and power station plumb line coordinator accuracy on-the-spot test general calibration frame that accuracy is high.
The technical scheme that the utility model adopts is: a kind of power station plumb line coordinator accuracy on-the-spot test general calibration frame, it is characterized in that: comprise that fixed installation base, the support and the level that are fixed on base are rotatably installed on the screw mandrel on support, this screw mandrel one end arranges rotating circular disk, on screw mandrel, be arranged with the sleeve pipe that can move along screw mandrel, this sleeve pipe connects movable block, the connecting rod that is fixedly parallel to screw mandrel on movable block, connecting rod one end arranges wire-clamping device; On described support, vernier caliper is installed, wherein the parallel screw mandrel of slide calliper rule is arranged, vernier is fixed on described movable block.
Described wire-clamping device has the U-shaped steel disc with groove, and described interlinking lever end is coaxially shaped with screw rod, and screw rod passes described U-shaped steel disc and locks through nut.
Described U-shaped steel disc comprises thick steel disc, Thin Elastic steel disc and connector, thick steel disc and Thin Elastic steel disc are arranged in parallel, both are linked to be entirety through connector, described thick steel disc upper side is shaped with described groove to Thin Elastic steel disc side surface, has the perforation of passing for described screw rod on described thick steel disc and Thin Elastic steel disc.
Described support comprises base plate and is vertically fixed on the back up pad at base plate two ends, common described screw mandrel and the described slide calliper rule installed in two back up pads; Described back up pad top is provided with the through hole passing through for connecting rod.
The base plate of described support is provided with threaded hole, and base plate is fixed through bolt with fixed installation base.
Described fixed installation base is fixing sheet steel, which is provided with the threaded hole of Multiple Type.
The beneficial effects of the utility model are: the pedestal that 1, is applicable to varying environment.Pedestal with holes adopts threaded hole and the bolt of fixed installation base that it is fixed, and does not have the iron and steel basis in hole can adopt Magnetic gauge stand, fixes by magnetic force, does not have the non-steel pedestal in hole on steel plate, to exert pressure, and conducts oneself with dignity to improve stability by increase.2, improve measurement accuracy.Former demarcation frame adopts fixing dial gauge separately to measure, and the deviation of both fixed angles makes its error larger, and steady job amount respectively runs into greatly and often the situation that fixed space is inadequate.Vernier caliper is directly fixed on to demarcate on frame and can reduces error.3, improve clamp efficiency.In clamp process, vertical line is put into U-shaped steel disc, manually tightening nuts just can clamp vertical line.
Brief description of the drawings
Fig. 1 is stereographic map of the present utility model.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is front elevation of the present utility model.
Fig. 4 is the A-A cut-open view of Fig. 3.
Fig. 5 is right view of the present utility model.
Fig. 6 is the structural representation of wire-clamping device in the utility model.
Fig. 7 is the sectional view of U-shaped steel disc in the utility model.
Embodiment
As shown in Fig. 1 ~ 5, the present embodiment is a kind of power station plumb line coordinator accuracy on-the-spot test general calibration frame, comprises fixed installation base 1, support 4, screw mandrel 2, movable block 3, connecting rod 5, wire-clamping device and vernier caliper.Wherein fixedly mount fixed support 4 on base 1, the rotatable screw mandrel 2 of installing on support, this screw mandrel is horizontally disposed, the sleeve pipe 9 that suit can move along screw mandrel on screw mandrel 2, sleeve pipe 9 is fixedly connected with movable block 3, on movable block, be fixedly parallel to the connecting rod 5 of screw mandrel 2, through hole on support 4 is passed in this connecting rod one end, and at end mounting clamp line apparatus.In this example, on support 4, vernier caliper is installed, wherein the parallel screw mandrel 2 of slide calliper rule 801 is arranged, vernier 802 is fixedly connected with movable block 3.In view of stent size and raising push away line range, vernier 802 adopts 20 calibration, and precision can reach 0.05mm, meets accuracy on-the-spot test work.
As shown in Figure 6, Figure 7, wire-clamping device has U-shaped steel disc 6, and this U-shaped steel disc 6 comprises thick steel disc 602, Thin Elastic steel disc 603 and connector 604, and thick steel disc 602 is corresponding with Thin Elastic steel disc 603 to be arranged in parallel, spacing is 2.5mm, and both are linked to be entirety through the connector 604 that is positioned at a side.Wherein be shaped with the groove 601 of different size to Thin Elastic steel disc side surface in thick steel disc 602 upper side, to adapt to the vertical line of different-diameter.On thick steel disc 602 and Thin Elastic steel disc 603, all bore a hole 605.In this example, be coaxially shaped with screw rod 501 in connecting rod 5 ends, this screw rod is through the perforation of thick steel disc 602 on U-shaped steel disc 6 and Thin Elastic steel disc 603, and locks by the nut 10 on screw rod 501.In the time clamping vertical line, manual rotation nut 10, the effect that U-shaped steel disc 6 is squeezed, Thin Elastic steel disc 603 is close to thick steel disc 602, between the two apart from reducing, thereby plays the effect of clamping line body.
The present embodiment medium-height trestle 4 is U-shaped, comprises the base plate 402 that is shaped with threaded hole and the back up pad 401 that is vertically fixed on base plate two ends, and back up pad 401 is provided with the through hole 403 passing through for connecting rod.In this example, screw mandrel 2 rides in two back up pads, and slide calliper rule 801 two ends are fixed in the back up pad 401 of both sides.
Fixed installation base 1 adopts fixing sheet steel, comprises the threaded hole 101 of the Multiple Type being connected with pedestal and the threaded hole being connected with support 4.Utilize Multiple Type threaded hole 101 and bolt and all kinds of basis with holes to fix, thus also can be by the magnetic force of Magnetic gauge stand or ballast to improve himself stability reply different operating environment.Fixed installation base 1 be connected with support 4 by bolt, ease of assembly with carry.
The method of operating of the present embodiment is as follows: in actual mechanical process, first according to plumb line coordinator actual working environment, select suitable mode to fix this general calibration frame; Then manually clamp line body by wire-clamping device; Read respectively the displacement initial value of general calibration vernier caliper and plumb line coordinator; Next by rotating circular disk 7, promote line body; Read respectively the displacement end value of vernier caliper and plumb line coordinator on general calibration frame; The difference of two kinds of mode readings of contrast, the accuracy of evaluation plumb line coordinator reading.

Claims (6)

1. a power station plumb line coordinator accuracy on-the-spot test general calibration frame, it is characterized in that: comprise that fixed installation base (1), the support (4) and the level that are fixed on base are rotatably installed on the screw mandrel (2) on support (4), this screw mandrel one end arranges rotating circular disk (7), on screw mandrel (2), be arranged with the sleeve pipe (9) that can move along screw mandrel, this sleeve pipe connects movable block (3), on movable block, be fixedly parallel to the connecting rod (5) of screw mandrel (2), connecting rod (5) one end arranges wire-clamping device; The upper vernier caliper of installing of described support (4), wherein the parallel screw mandrels of slide calliper rule (801) (2) are arranged, vernier (802) is fixed on described movable block (3).
2. power station plumb line coordinator accuracy on-the-spot test general calibration frame according to claim 1, it is characterized in that: described wire-clamping device has the U-shaped steel disc (6) of band groove (601), described connecting rod (5) end is coaxially shaped with screw rod (501), and screw rod passes described U-shaped steel disc (6) and locks through nut (10).
3. power station plumb line coordinator accuracy on-the-spot test general calibration frame according to claim 2, it is characterized in that: described U-shaped steel disc (6) comprises thick steel disc (602), Thin Elastic steel disc (603) and connector (604), thick steel disc (602) is arranged in parallel with Thin Elastic steel disc (603), both are linked to be entirety through connector (604), described thick steel disc (602) upper side is shaped with described groove (601) to Thin Elastic steel disc side surface, on described thick steel disc (602) and Thin Elastic steel disc (603), have the perforation (605) of passing for described screw rod (501).
4. according to the power station plumb line coordinator accuracy on-the-spot test general calibration frame described in claim 1 or 3, it is characterized in that: described support (4) comprises base plate (402) and is vertically fixed on the back up pad (401) at base plate two ends, common described screw mandrel (2) and the described slide calliper rule (801) installed in two back up pads; Described back up pad (401) top is provided with the through hole (403) passing through for connecting rod (5).
5. power station plumb line coordinator accuracy on-the-spot test general calibration frame according to claim 4, is characterized in that: the base plate (402) of described support (4) is provided with threaded hole, and base plate (402) is fixed through bolt with fixed installation base (1).
6. power station plumb line coordinator accuracy on-the-spot test general calibration frame according to claim 1, is characterized in that: described fixed installation base (1) is fixing sheet steel, which is provided with the threaded hole (101) of Multiple Type.
CN201320832441.9U 2013-12-17 2013-12-17 Hydropower station vertical line coordinator accuracy onsite test general calibration frame Expired - Fee Related CN203672345U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320832441.9U CN203672345U (en) 2013-12-17 2013-12-17 Hydropower station vertical line coordinator accuracy onsite test general calibration frame

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Application Number Priority Date Filing Date Title
CN201320832441.9U CN203672345U (en) 2013-12-17 2013-12-17 Hydropower station vertical line coordinator accuracy onsite test general calibration frame

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107883872A (en) * 2017-10-31 2018-04-06 中广核工程有限公司 A kind of nuclear power plant containment shell vertical coordinate instrument online calibration method and caliberating device
CN108469226A (en) * 2018-02-08 2018-08-31 中冶建筑研究总院有限公司 A kind of in-situ calibration device of plumb line coordinator
CN114858042A (en) * 2022-04-12 2022-08-05 西安热工研究院有限公司 Automatic device and method for checking accuracy of plumb line system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107883872A (en) * 2017-10-31 2018-04-06 中广核工程有限公司 A kind of nuclear power plant containment shell vertical coordinate instrument online calibration method and caliberating device
CN108469226A (en) * 2018-02-08 2018-08-31 中冶建筑研究总院有限公司 A kind of in-situ calibration device of plumb line coordinator
CN114858042A (en) * 2022-04-12 2022-08-05 西安热工研究院有限公司 Automatic device and method for checking accuracy of plumb line system

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140625