CN104121883A - Gate water-stop dam face unevenness underwater measuring device and method - Google Patents

Gate water-stop dam face unevenness underwater measuring device and method Download PDF

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Publication number
CN104121883A
CN104121883A CN201410361346.4A CN201410361346A CN104121883A CN 104121883 A CN104121883 A CN 104121883A CN 201410361346 A CN201410361346 A CN 201410361346A CN 104121883 A CN104121883 A CN 104121883A
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CN
China
Prior art keywords
chaining pin
dam facing
unevenness
measurement frame
underwater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410361346.4A
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Chinese (zh)
Inventor
丁晓利
廖永平
方勇
朱增兵
郭富权
李岗
罗涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Northwest Engineering Corp Ltd
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PowerChina Northwest Engineering Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Northwest Engineering Corp Ltd filed Critical PowerChina Northwest Engineering Corp Ltd
Priority to CN201410361346.4A priority Critical patent/CN104121883A/en
Publication of CN104121883A publication Critical patent/CN104121883A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a gate water-stop dam face unevenness underwater measuring device and method. In specific, the measuring device is a measuring frame, uniformly ranked measuring needles are arranged on a portion, corresponding to a gate water-stop dam face, of a downstream face of the measuring frame, and the measuring needles are movably connected with the measuring frame and can telescope along the direction perpendicular to the dam face. The measuring method includes steps of achievement of deepwater guide in-placement of the measuring frame, measurement, data analysis and the like. After the measuring frame is put in place, the measuring needles are pushed along the direction perpendicular to the dam face and pulled out of the water surface after tightening and fixing, a curved surface formed by the measuring needles is the water-stop dam face to be blocked, measurement data of the measuring needles are analyzed and processed to obtain dam face unevenness within a water-stop zone, and the unevenness can be used as a basis for designing a floating gate water seal, so that the basis problem of designing the floating gate water seal is solved. According to the gate water-stop dam face unevenness underwater measuring device and method, a plurality of novel techniques such as a gilling truss structure, deepwater guide in-placement, and one-step modeling of thousands of unevenness height values within the range of the water-stop zone are created in design.

Description

Gate sealing dam facing unevenness underwater measurement devices and method
Technical field
The invention belongs to maintenance technology field, power station, relate to a kind of measuring method, be specially a kind of gate sealing dam facing unevenness underwater measurement devices and measuring method.
Background technology
Power station is through operation for many years and press from both sides washing away of husky current, and damaging appears in part outlet structure escape works, will directly affect the security of operation in power station if repaired not in time.And these weep holes or sluiceway are positioned at, tens of even up to a hundred meters under water, difficulty of construction is large, the technology adopting is at present that the upstream dam facing design float type bulkhead gate outside weep hole or sluiceway import hydraucone carries out shutoff, creates construction at dry land condition for destroying position maintenance.
The key problem in technology of sluiceway floating gate shutoff is gate sealing effect, and the sealing face of the floating gate of the weep hole discharge conduit engineering of most of large medium-size stations is because of construction quality problem at that time, or because being subject to for a long time the abrasion of current and washing away, exist local pit, boss and perfoliate groove, projection etc. to cause the defect of dam facing unevenness, this class dam facing defect all can affect the water sealing effect of floating gate, thereby affects the quality of recovery project.Therefore need to measure the unevenness of sealing face, for the water seal design of floating gate provides true and reliable foundation.
Summary of the invention
The object of the present invention is to provide a kind of gate sealing dam facing unevenness underwater measurement devices and measuring method, for down-the-hole type power station weep hole or discharge conduit engineering, the unevenness of dam facing within the scope of weep hole or sluiceway inflow point underwater survey gate sealing band, for the water seal design of floating gate provides foundation.
The technical solution used in the present invention is: a kind of gate sealing dam facing unevenness underwater measurement devices, comprise measurement frame, the downstream face of described measurement frame and gate sealing dam facing corresponding position are provided with evenly distributed chaining pin, and described chaining pin is flexibly connected with measurement frame, can be flexible along vertical dam facing direction.
Further, the downstream face of described measurement frame and gate sealing dam facing corresponding position are provided with chaining pin hole, described chaining pin is provided with chaining pin cylinder in hole, in described chaining pin cylinder, be provided with chaining pin, described chaining pin can be flexible along vertical dam facing direction, in described chaining pin cylinder, be also provided with bolt, described bolt is perpendicular to chaining pin, for fixing or unclamp chaining pin.
Further, the arrangement pitches of described chaining pin is 100 ~ 300mm.
Further, the flexible scope of described chaining pin is 0 ~ 550mm.
Further, described chaining pin is bar-shaped, and described chaining pin is nylon rod or wooden stick.
Further, described measurement frame is truss framed structure, and described truss framework is Site Welding or is threaded.
Further, described measurement frame both sides arrange guide groove frame.
Further, described measurement frame is wide is 4 ~ 15 meters, and height is 6 ~ 20 meters.
A kind of gate sealing dam facing unevenness underwater measuring method, uses above-mentioned gate sealing dam facing unevenness underwater measurement devices, comprises the following steps:
Step (1): the anchor pile under water of restriction measurement frame upper-lower position and the soft guide piece of restriction position, measurement frame left and right are set in weep hole or the left and right sides, sluiceway porch of wanting shutoff;
Step (2): measurement frame is winched to weep hole to be measured or sluiceway inflow point by lifting appliance;
Step (3): measurement frame two side guidances are constrained in to the soft guide piece in left and right, and measurement frame falls to anchor pile position under water along soft guide piece;
Step (4): unclamp the set bolt of controlling chaining pin, chaining pin is pushed away and extends the sealing dam facing that will measure, then tighten set bolt;
Step (5): lifting appliance is left the water measurement frame;
Step (6): analyze chaining pin measurement data.
Further, described measuring method can be used for weep hole or the sluiceway inflow point measurement gate sealing dam facing unevenness of 10 ~ 60 meters under water.
Beneficial effect of the present invention: a kind of gate sealing face unevenness underwater measurement devices of the present invention and method can be within the scope of weep hole or sluiceway inflow point waterstop underwater survey dam facing unevenness, solved floating gate water seal design according to problem, created in design the multinomial new technologies such as grilling truss-frame structure, deep water guiding are in place, the thousands of roughness height values of one-shot forming waterstop scope.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described, but they do not form restriction to the present invention.
Fig. 1 is measurement frame working state figure;
Fig. 2 is measurement frame process schematic diagram in place;
Fig. 3, Fig. 4 are the profile of chaining pin cylinder.
In figure: 1, measurement frame; 2, chaining pin; 3, truss-frame structure; 4, lifting appliance; 5, weep hole or sluiceway; 6, pull back system; 7, soft guide piece; 8, anchor pile; 9, guide groove frame; 10, aperture center line; 11, chaining pin hole; 12, chaining pin cylinder; 13, bolt.
Embodiment
embodiment 1
Gate sealing dam facing unevenness underwater measurement devices of the present invention, be specially a kind of measurement frame 1, the downstream face of described measurement frame 1 and gate sealing dam facing corresponding position are provided with evenly distributed chaining pin 2, and described chaining pin 2 is flexibly connected with measurement frame 1, can be flexible along vertical dam facing direction.
Described chaining pin 2 can form curved surface by flexible, and the curved surface forming is the sealing dam facing surface of wanting shutoff.Measurement frame 1 structure as shown in Figures 1 and 2.
embodiment 2
The present embodiment is on the basis of embodiment 1, preferred as one, the downstream face of described measurement frame 1 and gate sealing dam facing corresponding position are provided with chaining pin hole 11, in described chaining pin hole 11, be provided with chaining pin cylinder 12, in described chaining pin cylinder 12, be provided with chaining pin 2, described chaining pin 2 can be flexible along vertical dam facing direction, in described chaining pin cylinder, is also provided with bolt 13, described bolt 13 is perpendicular to chaining pin 1, for fixing or unclamp chaining pin 1.Fig. 3 is that chaining pin 2 closes at chaining pin cylinder 12 when interior, the profile of chaining pin cylinder 12, and in figure, bolt 13 is releasing orientation; Fig. 4 is chaining pin 2 while stretching out chaining pin cylinder 12, the profile of chaining pin cylinder 12, and in figure, bolt 13 is tight condition, now chaining pin 2 maintains static.
Before measurement frame 1 is in place, chaining pin 1 closes in chaining pin cylinder 12, tightens set bolt 13.
embodiment 3
The present embodiment is on the basis of embodiment 1 and 2, the downstream face of measurement frame 1 and gate sealing dam facing corresponding position are provided with evenly distributed chaining pin 2, on measurement frame, the arrangement pitches of chaining pin 2 is 100 ~ 300mm, the size of spacing depends on the measuring accuracy of tested curved surface, chaining pin 2 quantity are hundreds of thousands of, form grilling.Chaining pin 2 is bar-shaped, can be nylon rod or wooden stick, or other have some strength and operate under water light club-shaped material, and chaining pin 2 tops are smooth.
In the present embodiment, it is rough concrete dam facing that described measurement frame 1 is measured the gate sealing face that will survey, measurement range is pit, boss and penetrability groove equal altitudes value local within the scope of concrete dam facing waterstop, the flexible scope of described chaining pin 2 is 0 ~ 550mm, accordingly, the roughness height value scope that measurement frame 1 is measured is 0 ~ 550mm.
embodiment 4
The present embodiment is on embodiment 1 ~ 3 basis, described measurement frame 1 is truss framework 3 structures, and described truss framework 3 is for Site Welding or be threaded, and measurement frame 1 both sides arrange guide groove frame 9, on guide groove frame 9, offer guide groove, described measurement frame 1 bottom and both sides are all without guiding constraint stop means.Anchor pile under water 8 and the restriction position, measurement frame left and right of restriction measurement frame upper-lower position is set in the left and right sides, aperture of wanting the weep hole of shutoff (road) 5 for this reason and makes the accurate soft guide piece 7 in place of measurement frame 1.
In the present embodiment, guide groove frame 9 can be 2,4,6 or other quantity, preferred as one, and guide groove frame 9 is 4, is symmetricly set on measurement frame 1 left and right sides.Guide groove is offered direction towards dam facing, and has certain degree of depth, allows measurement frame 1 along in soft guide piece 7 dropping process, has displacement to a certain degree and does not contact with dam facing along vertical dam facing direction.
Measurement frame 1 is wide is 4 ~ 15 meters, and height is 6 ~ 20 meters, and the size of measurement frame 1 is according to the port size design of the weep hole of required reparation or sluiceway 5 inflow points, and requirement can one-shot forming be measured dam facing unevenness within the scope of waterstop.
embodiment 5
A kind of gate sealing dam facing unevenness underwater measuring method, the gate sealing dam facing unevenness underwater measurement devices of use embodiment 1 to 4, comprises the following steps:
Step (1): the anchor pile under water 8 of restriction measurement frame upper-lower position and the soft guide piece 7 of restriction position, measurement frame left and right are set in weep hole or sluiceway 5 left and right sides, porch of wanting shutoff;
Step (2): measurement frame 1 is moved to weep hole to be measured or sluiceway 5 inflow points by lifting appliance 4;
Step (3): 1 liang of side guidance of measurement frame is constrained in to the soft guide piece 7 in left and right, and measurement frame falls to anchor pile 8 positions under water along soft guide piece 7;
Step (4): unclamp the set bolt 13 of controlling chaining pin 2, chaining pin 2 is pushed away and extends the sealing dam facing that will measure, then tighten set bolt 13;
Step (5): lifting appliance 4 is left the water measurement frame 1;
Step (6): analyze chaining pin 2 measurement data.
The process in place of measurement frame 1 as shown in Figure 2.
In step (1), because measurement frame 1 bottom in embodiment 1 or 2 and both sides are all without guiding constraint stop means, for this reason wanting the weep hole of shutoff or the left and right sides, aperture of sluiceway 5 that the anchor pile under water 8 of restriction measurement frame upper-lower position and the soft guide piece 7 of restriction position, measurement frame left and right are set, accurately in place to ensure measurement frame.
In step (2), lifting appliance 4 can hang for the revolution of door machine, can be also other on-the-spot lifting appliances 4.
In step (3), soft guide piece 7 comprises soft guide rope and anchor pile 8 under water, soft guide rope can be for having the steel cable of some tension, symmetrical and aperture center line 10 is arranged on weep hole or sluiceway 5 both sides, aperture, soft guide rope one end is fixed on dam crest, and the other end is fixed on the anchor pile under water 8 of homonymy.Measurement frame falls to anchor pile 8 positions under water along soft guide piece 7 and fixes.
The deep water that measurement frame 1 has been realized in step (1)-(3) leads in place.
In step (4), described chaining pin 2 is fixed in the chaining pin hole 11 of measurement frame 1 before measurement, and measurement frame 1 is located in after weep hole (road) 5 imports that will measure, makes measurement frame 1 be adjacent to dam facing by pull back system 6, avoids measurement frame 1 play in measuring process.The structural representation of described pull back system 6 as shown in Figure 2, comprises the pulling device, the traction rope that are fixed on dam crest, and the pulley commutating for traction rope, and traction rope one end is connected with pulling apparatus, and the other end is fixedly connected with measurement frame 1.
Unclamp set bolt 13 by frogman chaining pin 2 is pushed away and extends the sealing dam facing that will measure, then tighten set bolt 13, the curved surface that hundreds of thousands of chaining pins 2 tops form is the sealing dam facing surface of wanting shutoff.
After in step (5), frame 1 to be measured is left the water, the overhang of chaining pin 2 is the measurement data of chaining pin 2, processes by analysis and show that in waterstop, this unevenness of dam facing unevenness can be used as the foundation that floating gate water seal designs.
The deep water that the method for the present embodiment has realized measurement frame 1 leads in place.
The measuring method of the present embodiment can be used for weep hole or sluiceway 5 inflow points of 10 ~ 60 meters under water and measures gate sealing dam facing unevenness.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is described in detail in addition with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
The parts that the present embodiment does not describe in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not narration one by one.

Claims (10)

1. a gate sealing dam facing unevenness underwater measurement devices, comprise measurement frame, it is characterized in that: the downstream face of described measurement frame and gate sealing dam facing corresponding position are provided with evenly distributed chaining pin, and described chaining pin is flexibly connected with measurement frame, can be flexible along vertical dam facing direction.
2. gate sealing dam facing unevenness underwater measurement devices as claimed in claim 1, it is characterized in that: the downstream face of described measurement frame and gate sealing dam facing corresponding position are provided with chaining pin hole, described chaining pin is provided with chaining pin cylinder in hole, in described chaining pin cylinder, be provided with chaining pin, described chaining pin can be flexible along vertical dam facing direction, in described chaining pin cylinder, be also provided with bolt, described bolt is perpendicular to chaining pin, for fixing or unclamp chaining pin.
3. gate sealing dam facing unevenness underwater measurement devices as claimed in claim 1 or 2, is characterized in that: the arrangement pitches of described chaining pin is 100 ~ 300mm.
4. gate sealing dam facing unevenness underwater measurement devices as claimed in claim 1 or 2, is characterized in that: the flexible scope of described chaining pin is 0 ~ 550mm.
5. gate sealing dam facing unevenness underwater measurement devices as claimed in claim 1 or 2, is characterized in that: described chaining pin is bar-shaped, and described chaining pin is nylon rod or wooden stick.
6. gate sealing dam facing unevenness underwater measurement devices as claimed in claim 1 or 2, is characterized in that: described measurement frame is truss framed structure, and described truss framework is that Site Welding or bolt connect.
7. gate sealing dam facing unevenness underwater measurement devices as claimed in claim 1 or 2, is characterized in that: described measurement frame both sides arrange guide groove frame.
8. gate sealing dam facing unevenness underwater measurement devices as claimed in claim 1 or 2, is characterized in that described measurement frame wide is 4 ~ 15 meters, and height is 6 ~ 20 meters.
9. a gate sealing dam facing unevenness underwater measuring method, uses gate sealing dam facing unevenness underwater measurement devices as claimed in claim 1, it is characterized in that comprising the following steps:
Step (1): the anchor pile under water of restriction measurement frame upper-lower position and the soft guide piece of restriction position, measurement frame left and right are set in weep hole or the left and right sides, sluiceway porch of wanting shutoff;
Step (2): utilize on-the-spot lifting appliance that measurement frame is moved to weep hole to be measured or sluiceway inflow point;
Step (3): measurement frame two side guidances are constrained in to the soft guide piece in left and right, and measurement frame falls to anchor pile position under water along soft guide piece;
Step (4): unclamp the set bolt of controlling chaining pin, chaining pin is pushed away and extends the sealing dam facing that will measure, then tighten set bolt;
Step (5): utilize on-the-spot lifting appliance that measurement frame is left the water;
Step (6): analyze chaining pin measurement data.
10. gate sealing dam facing unevenness underwater measuring method as claimed in claim 9, is characterized in that described measuring method can be used for weep hole or the sluiceway inflow point of 10 ~ 60 meters under water and measures gate sealing dam facing unevenness.
CN201410361346.4A 2014-07-28 2014-07-28 Gate water-stop dam face unevenness underwater measuring device and method Pending CN104121883A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104776823A (en) * 2015-05-08 2015-07-15 河海大学 Detecting device and detecting method for surface evenness of gate
CN105651239A (en) * 2016-03-09 2016-06-08 青岛海澄知识产权事务有限公司 Measurement method for surface evenness of underwater structure
CN105806194A (en) * 2016-03-09 2016-07-27 青岛海澄知识产权事务有限公司 Underwater structure surface flatness measuring device

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CN204043655U (en) * 2014-07-28 2014-12-24 中国电建集团西北勘测设计研究院有限公司 Gate sealing dam facing unevenness underwater measurement devices

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CN1542232A (en) * 2003-04-29 2004-11-03 国家电力公司西北勘测设计研究院 Reparation method for water channel and dockage channel of water power station
CN204043655U (en) * 2014-07-28 2014-12-24 中国电建集团西北勘测设计研究院有限公司 Gate sealing dam facing unevenness underwater measurement devices

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104776823A (en) * 2015-05-08 2015-07-15 河海大学 Detecting device and detecting method for surface evenness of gate
CN104776823B (en) * 2015-05-08 2017-06-09 河海大学 A kind of detection means and detection method of door surfaces flatness
CN105651239A (en) * 2016-03-09 2016-06-08 青岛海澄知识产权事务有限公司 Measurement method for surface evenness of underwater structure
CN105806194A (en) * 2016-03-09 2016-07-27 青岛海澄知识产权事务有限公司 Underwater structure surface flatness measuring device

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