CN104695475B - A kind of KV Electric Transmissions method of quality control - Google Patents
A kind of KV Electric Transmissions method of quality control Download PDFInfo
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Abstract
The present invention relates to a kind of KV Electric Transmissions method of quality control, including a kind of KV Electric Transmissions method of quality control, including: step S1: set up quality diagnosis table according to the history qualitative data of KV Electric Transmissions, the content of quality diagnosis table includes: the quality problems of quality diagnosis object, corresponding mass diagnosis object and the reason of corresponding mass problem, preventive measure and processing method；Step S2: the quality condition data of each quality diagnosis object of Real-time Collection respectively；Step S3: according to the quality condition data of quality diagnosis table and collection, it is thus achieved that the reason of quality problems and corresponding preventive measure, processing method occur, and exports.Compared with prior art, to have control method simple to operation for the present invention, it is simple to the supervision of construction project quality and evaluation, and has guaranteed construction quality perfect.
Description
Technical field
The present invention relates to a kind of Engineering Quality Control method, especially relate to a kind of KV Electric Transmissions quality control
Method.
Background technology
It is known that quality is the benefit of enterprise, quality is the life of enterprise.Prevention common quality defect is effectively to carry
High construction quality, safeguard the Important Action of public interest, make actual effect.Power transmission sequence is the large artery trunks of power industry,
It is responsible for conveying and the task of distribution electric energy, is the important component part of power system, and governance quality common fault is to execute
One of major subjects of work quality continuous improvement, based on KV Electric Transmissions construction, the practical experience of management, this
Bright propose a kind of Engineering Quality Control method, the collection of qualitative data in KV Electric Transmissions, arrange, point
Analysis and diagnosis, set up unified specification for KV Electric Transmissions construction.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of power transmission sequence work is provided
Journey method of quality control, kind, the producing cause to more universal in power transmission line construction and incident common quality defect
And how to prevent to carry out reductive analysis, improve construction quality further.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of KV Electric Transmissions method of quality control, including:
Step S1: set up quality diagnosis table according to the history qualitative data of KV Electric Transmissions, quality diagnosis table
Content includes: quality diagnosis object, corresponding mass diagnose the quality problems of object and the former of corresponding mass problem
Cause, preventive measure and processing method；
Described quality diagnosis object includes reflecting the foundation engineering of KV Electric Transmissions quality, tower erection, lead wire and earth wire
Set up and down conductor；
The quality problems of described foundation engineering include foundation forms spillage, stirrup joint co-located, losing fangle, circle
Shape arrangement foundation bolt skew is big；
The quality problems of described tower erection include that tower material Zinc Scaling, nut counter fill, bolt specification uses inconsistent
Install the tightest with lock ring；
The quality problems that described lead wire and earth wire sets up include that wire frays, aluminium hydraulic pressed connecting pipe mouth of pipe wire pine stock, aluminium armor tape are installed
Defective, split pin is installed complete and insulator installation is defective；
The quality problems of described down conductor include down conductor the system the most straight curved and non-deep fill of down conductor
Process；
Step S2: the quality condition data of each quality diagnosis object of Real-time Collection respectively；
Step S3: according to the quality condition data of quality diagnosis table and collection, it is thus achieved that the reason of quality problems occurs
And corresponding preventive measure, processing method, and export.
The reason of described foundation forms spillage includes that the ratio of mud is bigger than normal, vibrating time is long and form joint imprecision,
Corresponding preventive measure includes controlling the allotment ratio of mud, control vibrating time and use new template or during only by old template
Padding foam plastics slice at form joint, corresponding processing method is most on the premise of including not affecting concrete quality
Amount reduces vibrating time, does not affect and suitably increases sand coarse aggregate ratio under intensity and execution conditions；
The reason of described stirrup joint co-located includes that workmen requires unclear or colligation stirrup to the colligation of reinforcing bar
Carelessness, corresponding preventive measure includes staggering joint location colligation, makes joint location respectively fall in the difference of main muscle
On height, corresponding administering method includes suitably untiing several stirrup, turns a direction colligation again, and makes to connect up and down
Head is staggered mutually；
The reason of described losing fangle includes that finished product protection measure is the most capable, form removal time method is incorrect and do not has during form removal
Have and concrete protected, corresponding preventive measure include basis form removal after after backfill, concrete are cast in time and
Time remove the unnecessary concrete of template edge and forbid sticking up template, corresponding improvement with the upper corner angle of concrete for fulcrum
Method includes just smearing polishing by cement mortar or with pea gravel concrete more higher leveled than former concrete；
Described circular arrangement foundation bolt offset big reason do not calibrate when including formwork foundation bolt position and
Highly, corresponding preventive measure includes utilizing lucite model that foundation bolt carries out centering, corresponding improvement side
Method includes position and the height again correcting foundation bolt.
The reason of described tower material Zinc Scaling includes that between tower material, mutually collision and hoisting point position do not have colligation spacer,
Corresponding preventive measure includes taking preventing tower material slip measure, forbids mopping floor and slide, use hanging belt erection tower material
With hoisting point position colligation spacer, corresponding processing method includes carrying out repairing and take anticorrosion to arrange for deformation ferrum
Anti-corrosion measure is taked at the position that the deformation ferrum execute, cannot repaired is replaced with Zinc Scaling；
The anti-reason filled of described nut includes that workmen's operation mistake, corresponding preventive measure include strengthening constructor
Member's technical training and administrative mechanism, corresponding administering method includes the nut correcting setup error；
Described bolt specification uses inconsistent reason to include, and workmen's operation mistake, corresponding preventive measure include
Strengthening workmen's technical training and administrative mechanism, corresponding administering method includes the bolt correcting setup error；
Described lock ring is installed the tightest reason and is included not using adjustable wrench to be fastened by lock ring, corresponding prevention
Measure includes the administrative mechanism strengthening workmen, and corresponding administering method includes not fastening with adjustable wrench
Lock ring fastens.
The reason that described wire frays includes that wire does not has and ground or crossing frame disengaging, anchor rope during unfolding
Grind mutually with wire, wire whiplash and adnexa when installing Work tool grind mutually with wire, the preventive measure of correspondence is included in be led
The ground that line can not depart from is taked effective Precautionary Measure, is ground position at anchor rope mutually with wire and add with crossing frame position
Take the most contour arrangement of conductor during dress rubber sheath, anchor and grind position at wire mutually with Work tool and taked
The Precautionary Measure of effect, corresponding processing method includes with not being coarser than the sand paper of 0# by wire burr and shadow scratch portion
Position is tied；Process for pressing code requirement than more serious position；
The reason of described aluminium hydraulic pressed connecting pipe mouth of pipe wire pine stock includes that position loose for wire is not twisted cause and closely and crimped
Before not by the wire straightening near the aluminium hydraulic pressed connecting pipe mouth of pipe, corresponding preventive measure includes repairing closely loose strands
With before poling by the wire straightening of aluminium hydraulic pressed connecting pipe near exit two meters, corresponding administering method includes repairing loose wire
Answer or cut off reclosing；
Described aluminium armor tape is installed underproof reason and is included that workmen's operation mistake, corresponding preventive measure include adding
Strong workmen's technical training and administrative mechanism, corresponding administering method includes winding direction mistake and is wound around the tightest
Close aluminium armor tape is corrected；
Described split pin is installed split pin when the most full reason includes construction and is come off and do not have spare part to mend dress, and corresponding is pre-
Anti-measure includes strengthening workmen's technical training and administrative mechanism, and corresponding administering method includes Short Item by design
Require and technology requires to carry out polishing and split pin opening is undesirable carries out opening by technology requirement；
Described insulator is installed underproof reason and is included that adnexa does not check the rim of a bowl side of insulator after installing
To inaccurate with printing of wire clamp installation site, corresponding preventive measure includes adjusting the rim of a bowl direction causing unified and meeting
Removing lifting Work tool after technological requirement and make wire clamp installation site accurate, corresponding administering method includes insulator
The levelling of the rim of a bowl direction and the installation site of adjustment wire clamp.
It is curved and connect that described down conductor system the most straight curved reason includes not using specific purpose tool to carry out grounded system
Not carrying out straightening before ground downlead system is curved, corresponding preventive measure includes using specific purpose tool to carry out the curved behaviour of grounded system
Making and make curved front by down conductor straightening, corresponding processing method includes using specific purpose tool to carry out ground connection on request
Make curved operation；
The reason that the non-deep fill of described down conductor processes includes carrying on down conductor or long when making curved installation
Part does not has buried process, corresponding preventive measure to include by the reserved down conductor length of technology requirement and grounding lead
Adjusting the relative position of down conductor and foundation platform after the system of rolling off the production line is curved, corresponding administering method includes adjusting
The burial place of down conductor.
Compared with prior art, the invention have the advantages that
1) affected by the many factors such as geologic condition, construction environment due to transmission line construction construction, because of
This ensures that the difficulty faced by the construction quality of transmission line of electricity is a lot, there is presently no appearance in KV Electric Transmissions
Quality problems propose effective solution.The inventive method proposes and is controlled for KV Electric Transmissions quality
Method, sum up the quality management situation of this engineering, include main going wrong in KV Electric Transmissions quality,
And analyze reason, propose corresponding preventive measure and administering method, thus construct quality diagnosis table, for power transmission line
Unified specification is set up in road engineering construction, and control method is simple to operation, it is simple to the supervision of construction project quality and commenting
Valency, and guaranteed construction quality perfect.
2) the inventive method carries out quality testing and diagnosis control to KV Electric Transmissions in real time, it is ensured that in engineering
Whole work progress in quality can be controlled, method of quality control is simple, it is simple to push away in multiple engineerings
Extensively, reduce the mode of common quality defect, improve constantly construction quality.
Accompanying drawing explanation
Fig. 1 is the flow chart of KV Electric Transmissions method of quality control of the present invention；
Fig. 2 is the structural representation of quality diagnosis table in the present invention.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the technology of the present invention side
Implement premised on case, give detailed embodiment and concrete operating process, but the protection model of the present invention
Enclose and be not limited to following embodiment.
As it is shown in figure 1, a kind of KV Electric Transmissions method of quality control, including:
Step S1: set up quality diagnosis table according to the history qualitative data of KV Electric Transmissions, quality diagnosis table
Content includes: quality diagnosis object, corresponding mass diagnose the quality problems of object and the former of corresponding mass problem
Cause, preventive measure and processing method；
Described quality diagnosis object includes reflecting the foundation engineering of KV Electric Transmissions quality, tower erection, lead wire and earth wire
Set up and down conductor；
The quality problems of described foundation engineering include foundation forms spillage, stirrup joint co-located, losing fangle, circle
Shape arrangement foundation bolt skew is big；
The quality problems of described tower erection include that tower material Zinc Scaling, nut counter fill, bolt specification uses inconsistent
Install the tightest with lock ring；
The quality problems that described lead wire and earth wire sets up include that wire frays, aluminium hydraulic pressed connecting pipe mouth of pipe wire pine stock, aluminium armor tape are installed
Defective, split pin is installed complete and insulator installation is defective；
The quality problems of described down conductor include down conductor the system the most straight curved and non-deep fill of down conductor
Process；
Step S2: the quality condition data of each quality diagnosis object of Real-time Collection respectively；
Step S3: according to the quality condition data of quality diagnosis table and collection, it is thus achieved that the reason of quality problems occurs
And corresponding preventive measure, processing method, and export, simultaneously can also be by the output of each KV Electric Transmissions
Structure carries out data filing, it is simple to carry out the analysis of data, and the renewal of quality diagnosis table.
As in figure 2 it is shown, quality diagnosis table sets up unified specification as KV Electric Transmissions construction, can be effectively
KV Electric Transmissions quality is controlled, separately below to quality problems and the reason of corresponding mass problem,
Preventive measure and processing method illustrate:
1) power transmission sequence foundation engineering
101) foundation forms spillage
Foundation forms spillage refers to that water and cement overflow between template gap, causes being all oarse-grained sand at gap
Stone, reduces intensity, affects safety.
The analysis of causes: 1. the ratio of mud is bigger than normal.At this moment cement mortar is diluter, it is easy to flowing, so easily connecing from template
Run away at seam；2. vibrating time is long.Vibrate for a long time and can cause concrete disintegration, after cement mortar is excessive just
Cause running pulp phenomenon.3. form joint imprecision.
Prophylactico-therapeutic measures: 1. strict implement laboratory match ratio；Strictly control vibrating time.Present with concrete surface
Till laitance and the phenomenon that do not sinks；Use new template the most as far as possible, if condition limits and uses old template, execute
Pad foam plastics slice method at form joint can be used man-hour, block gap, make seam tight.
Administering method: reduce vibrating time on the premise of not affecting concrete quality as far as possible, do not affect intensity and construction
Under the conditions of suitably increase sand coarse aggregate ratio.
102) stirrup joint co-located
Stirrup joint location direction is identical, repeats bracing on one or two vertical muscle.
The analysis of causes: workmen requires the colligation of reinforcing bar unclear or the carelessness of colligation stirrup is caused.
Preventive measure: remind the most mutually during colligation operation, colligation of joint location being staggered, makes joint location respectively
Fall on the differing heights of main muscle.
Administering method: suitably untie several stirrup, turns a direction colligation again, strives that upper lower contact is staggered mutually.
103) losing fangle
The analysis of causes: 1. finished product protection measure is the most capable.Owing to basis is not taked to protect by outside cause and group tower construction
Protect measure；2. during form removal, method is incorrect, barbarous construction；3. concrete is not well protected during form removal,
Stand in concrete edge to construct, cause the generation of losing fangle phenomenon artificially.
Preventive measure: 1. backfill in time after the form removal of basis, make surface of base not expose.Tower is avoided in tower erection construction
Material directly contacts with foundation platform；2., after concrete is cast, the concrete that template edge is unnecessary is removed in time,
Make template lower plane equal with the upper plane of lower-layer concrete, it is simple to the dismounting of template；3. to reach form removal strong for concrete
When spending, forbid avoiding trampling when sticking up template removing construction with the upper corner angle of concrete for fulcrum the corner angle of concrete.
Administering method: when losing fangle is the least, can will use wire brush outwash at this, clear water rinses after being sufficiently humidified so as to,
Just polishing is being smeared by the cement mortar of 12 or 1 2.5.For bigger arrisdefect, can be by unreal concrete and convex
The particles of aggregates gone out cuts, and washes away clean drenched with water, and then formwork mixes with peastone more higher leveled than former concrete
Solidifying soil mends, consolidates, and conscientious maintenance.
104) skew of circular arrangement foundation bolt is big
In the foundation construction of circular arrangement foundation bolt, the most with errors not doing positive foundation bolt position is basis
One important step of construction.
The analysis of causes: fail during formwork repeatedly to check column mould position, it is ensured that errorless, fail effectively to calibrate sample rack
Center and absolute altitude, the height that in fixing sample rack, foundation bolt stretches out.
Preventive measure: we sent in line tower foundation construction in 500kV Waigaoqiao Power Plant three phase, utilized organic glass
Glass model carries out centering to foundation bolt, and flexible operation is easy, and effect is directly perceived, and position deviation is the most very clear,
Decreasing the workload of on-the-spot calculating, error amount directly can measure on model, and efficiency is greatly improved, and precision is high,
Improve construction quality.
Administering method: reinstall the position of foundation bolt.
2) power transmission sequence tower erection engineering
The point that tower erection common quality defect occurs is the most, and dealing with to compare wastes man-hour, executes system engineering
The impact of working medium amount is bigger, and the generation reducing common quality defect can save man-hour, reduces construction safety hidden danger, improves
The economic benefit of construction, workmen is from attracting great attention inwardly.Main method is at power transmission sequence bar
Tower vertical construction is strengthened workmen's technology, processing quality training, makes the clear and definite technology of workmen require and technique
Requirement；Implement work responsibility system, strengthen the work of implementing of construction quality rewards and punishments system, strengthen the post of workmen
Responsibility；The series of measures such as the technical training of reinforcement workmen and on-the-job training so that tower erection quality is led to
Sick problem is greatly decreased.
201) tower material Zinc Scaling
The analysis of causes: 1. protective measure do not taked in transport, loading-unloading vehicle, handling process by tower material, between tower material
Mutually collide or cause Zinc Scaling and tower material surface tear；2. tower material mutually collides during lifting, causes tower
Damaging occurs in material surface；3. hoisting point position does not has colligation spacer, causes zinc layers to wear and tear.
Prophylactico-therapeutic measures: 1. tower material should be taked to prevent tower material slip measure in the middle of transport, takes entire bundle to transport as far as possible
Defeated, loading-unloading vehicle should use crane entire bundle to load and unload or tear bundle monolithic tower material open and unload, and tears open and forbids when bundle is unloaded that tower material is mutually pounded
Touch；2. tower material is forbidden mopping floor and is slided in little fortune way；3. using hanging belt erection tower material, tower material is during lifting
Effective control measure should be taked, prevent tower material from mutually colliding；4., during tower erection, turn at steel wire rope
The abrasion to iron tower construction member is should be specifically noted that to place.
Administering method: 1. deformation ferrum is carried out repairing and taking anti-corrosion measure, it is impossible to the deformation ferrum of reparation is carried out more
Change；2. anti-corrosion measure is taked at the position of Zinc Scaling.
202) nut is counter fills, and the lead angle side of nut is installed near tower material side
The analysis of causes: bolt does not note the installation direction of nut when installing, be that decline in alertness causes.
Prophylactico-therapeutic measures: 1. strengthen workmen's technology, processing quality training, make the clear and definite technology of workmen require and
Technological requirement；2. implementing work responsibility system, that strengthens construction quality rewards and punishments system implements work.
Administering method: the nut of corrigendum setup error.
203) bolt specification uses inconsistent
The bolt of same position uses cause diversified in specifications, and the exposing of bolt is buckled length and differed.
The analysis of causes: 1. workmen is unfamiliar with drawing, does not press drawing and installs bolt；2. workmen's technology water
Flat low, indefinite technology requirement.
Preventive measure: 1. strengthen technical training and the on-the-job training of workmen, can skillfully understand drawing, clearly set
Meter requirement.
Administering method: implement work responsibility system, corrects the bolt of setup error.
204) lock ring is installed the tightest
Lock ring is not in close contact with nut, can easily remove with hands, not have and prevent nut self-unloading function.
The analysis of causes: installation personnel lacks a sense of responsibility, does not use adjustable wrench to be fastened by lock ring.
Prophylactico-therapeutic measures: strengthen the work of implementing of work responsibility system, strengthen the job responsibility heart of workmen.
Administering method: will not have the lock ring fastening of fastening with adjustable wrench.
3) power transmission sequence lead wire and earth wire sets up engineering
Lead wire and earth wire sets up the construction quality of engineering and directly influences stability, safety and the economy that circuit runs,
So high-quality this partitioned project that completes has very important important function to steady in a long-term operation of circuit, can
To fully demonstrate technical merit and the technical quality of construction team.Reduce occurring that of common quality defect and improve enterprise
Image, increases enterprise's competitiveness in power construction market.Therefore it is required that workmen improves in work progress
Understanding, maintains strict control over gate of the quality monitoring, reduces the generation of common quality defect.
301) wire frays, and burr or cut occurs on the surface of wire
The analysis of causes: 1. wire does not depart from ground or crossing frame during unfolding；2. anchor rope and wire phase
Mill；3. wire whiplash；4. when adnexa is installed, Work tool grinds mutually with wire.
Prophylactico-therapeutic measures: 1. rationally select to lead, a place, accurately calculates the leading of wire, tension force, can not take off at wire
From ground and crossing frame position take effective Precautionary Measure；2. grind position at anchor rope mutually with wire and install rubber additional
Sheath, it is to avoid wire directly contacts with anchor rope；3. the most contour arrangement of conductor is taked during anchor；Rationally peace
Row's construction speed, carries out stringing and adnexa in time after wire exhibition is anti-, shortens the anchoring time of wire, and reduction is led
The frequency of ground wire whiplash；4. reasonable Arrangement adnexa erector utensil, grinds position at wire mutually with Work tool and takes effectively
Precautionary Measure.
Administering method: wire burr and shadow scratch position are tied with the sand paper not being coarser than 0#；For the tightest
The position of weight is pressed code requirement and is processed.
302) aluminium hydraulic pressed connecting pipe mouth of pipe wire pine stock
Occur that gap or wire occur gap between layers between the aluminum stock of wire external layer.
The analysis of causes: 1. do not check the quality of wire before crimping, cause is not twisted closely in position loose for wire；
2. not by the wire straightening near the aluminium hydraulic pressed connecting pipe mouth of pipe before crimping.
Prophylactico-therapeutic measures: 1. check before the crimping of lead wire and earth wire aluminium hydraulic pressed connecting pipe that the lead wire and earth wire of aluminium hydraulic pressed connecting pipe near exit twists quality processed, will
Loose strands is repaired closely；2. by the wire straightening of aluminium hydraulic pressed connecting pipe near exit two meters before poling.
Administering method: 1. use the qualified crimping work of training to carry out crimping operation；2. by loose wire reparation or cut
Disconnected reclosing.
303) aluminium armor tape is installed undesirable
It is inconsistent that the winding direction of aluminium armor tape and the outer layer aluminum stock of wire twist direction processed；Aluminium armor tape is wound around the tightst.
The analysis of causes: 1. workmen's indefinite technology requirement, it is not known that outside the winding direction of aluminium armor tape should be with wire
The winding direction of layer aluminum stock is consistent；2. during construction, quality mind is the highest, owing to construction speed have ignored construction quality.
Prophylactico-therapeutic measures: work of 1. strengthening confiding a technological secret, the clear and definite technology of personnel making participation construct requires and technique
Prescription, stops blindly to construct；2. carry out construction quality and examine work mutually, find that construction method is improper, work and lose
Mistake and remind the other side's corrigendum in time, it is to avoid unnecessary does over again.
Administering method: strengthen technical training, carry out process quality inspection activity mutually, by winding direction mistake with winding not
Aluminium armor tape is corrected closely, is allowed to the technology that meets and requires and technological requirement.
304) opening (remaining silent) pin is installed incomplete, and opening angle is undesirable
The analysis of causes: 1. during construction, split pin comes off, does not has spare part to mend dress, exists and defect is left at maintainer
The negative thought of reason；2. lack the quality mind of construction quality once Cheng You, there is the construction thought of passiveness.
Prophylactico-therapeutic measures: that 1. strengthens the quality mind training of construction quality once Cheng You and work responsibility system implements work
Make, develop the style of work of " ensureing the construction quality of oneself, to guarantee whole engineering construction quality "；2. for
The Short Item position of polishing in time cannot make a record and hand over work to one's successor, the specification of Short Item, quantity, downward road, position
The workmen of operation explains clear, makes the timely polishing of Short Item.
Administering method: requiring to carry out polishing by design requirement and technology by Short Item, split pin opening is undesirable
Opening is carried out by technology requirement.
305) insulator the rim of a bowl poor direction, insulator chain tilt beyond code requirement
The analysis of causes: do not check the rim of a bowl direction of insulator after 1. adnexa installs；2. insulator chain inclination is
Owing to printing of wire clamp installation site is inaccurate；
Prophylactico-therapeutic measures: 1. adnexa should check the rim of a bowl direction of insulator before installing and removing Lever Blocks, by the rim of a bowl
Direction is adjusted and is caused unified and meet dismounting lifting Work tool after technological requirement；2. specification prints operational approach, makes wire clamp pacify
Holding position is accurate.
Administering method: insulator the rim of a bowl direction is aligned, is allowed to meet technological requirement.Adjust the installation site of wire clamp,
Make insulator chain vertical.
4) power transmission sequence earth work
401) down conductor system is curved unsightly
Down conductor is the most straight, and camber line is unsightly.
The analysis of causes: the most do not use specific purpose tool to carry out grounded system curved；2. do not carry out before down conductor system is curved
Straightening.
Prophylactico-therapeutic measures: 1. use specific purpose tool to carry out the curved operation of grounded system；2. make curved front by down conductor straightening.
Administering method: use specific purpose tool to be made by down conductor attractive in appearance on request.
402) down conductor buried depth near the platform of basis is not inconsistent and designs requirement
The analysis of causes: 1. to ground connection construction quality from paying little attention to inwardly；2. the pre-allowance of docking ground exposed parts
Too short or long, will carry on down conductor or excessive portion does not has buried process when making curved installation, cause grounding lead
Roll off the production line shallow embedding.
Prophylactico-therapeutic measures: 1. strengthen construction management, implement work responsibility system, it is ensured that ground connection buried depth meets design requirement；
The most accurately calculate down conductor protruded length, by the reserved down conductor length of technology requirement during construction；3. ground connection
Will be close to when making curved near foundation platform down conductor excavation, make curved after adjust down conductor with basis
The relative position of cushion cap ensures the installation of down conductor.
Administering method: adjust the burial place of down conductor, it is ensured that the buried depth of down conductor each point and grounding lead
The correct installation rolled off the production line.
Transmission line of electricity is as an important component part in power system, for the requirement of transmission line construction quality
Become more and more higher.Owing to transmission line construction construction is by the many factors such as geologic condition, construction environment
Impact, thereby ensure that the difficulty faced by the construction quality of transmission line of electricity is a lot.But in transmission line construction,
Project work personnel have to note each details in conjunction with practice of construction condition, by using quality control of the present invention
Method, constantly promotes the construction quality of transmission line construction.
Claims (4)
1. a KV Electric Transmissions method of quality control, it is characterised in that including:
Step S1: set up quality diagnosis table according to the history qualitative data of KV Electric Transmissions, quality diagnosis table
Content includes: quality diagnosis object, corresponding mass diagnose the quality problems of object and the former of corresponding mass problem
Cause, preventive measure and processing method；
Described quality diagnosis object includes reflecting the foundation engineering of KV Electric Transmissions quality, tower erection, lead wire and earth wire
Set up and down conductor；
The quality problems of described foundation engineering include foundation forms spillage, stirrup joint co-located, losing fangle, circle
Shape arrangement foundation bolt skew is big；
The quality problems of described tower erection include that tower material Zinc Scaling, nut counter fill, bolt specification uses inconsistent
Install the tightest with lock ring；
The quality problems that described lead wire and earth wire sets up include that wire frays, aluminium hydraulic pressed connecting pipe mouth of pipe wire pine stock, aluminium armor tape are installed
Defective, split pin is installed complete and insulator installation is defective；
The quality problems of described down conductor include down conductor the system the most straight curved and non-deep fill of down conductor
Process；
Step S2: the quality condition data of each quality diagnosis object of Real-time Collection respectively；
Step S3: according to the quality condition data of quality diagnosis table and collection, it is thus achieved that the reason of quality problems occurs
And corresponding preventive measure, processing method, and export；
The reason of described foundation forms spillage includes that the ratio of mud is bigger than normal, vibrating time is long and form joint imprecision,
Corresponding preventive measure includes controlling the allotment ratio of mud, control vibrating time and use new template or during only by old template
Padding foam plastics slice at form joint, corresponding processing method is most on the premise of including not affecting concrete quality
Amount reduces vibrating time, does not affect and suitably increases sand coarse aggregate ratio under intensity and execution conditions；
The reason of described stirrup joint co-located includes that workmen requires unclear or colligation stirrup to the colligation of reinforcing bar
Carelessness, corresponding preventive measure includes staggering joint location colligation, makes joint location respectively fall in the difference of main muscle
On height, corresponding administering method includes suitably untiing several stirrup, turns a direction colligation again, and makes to connect up and down
Head is staggered mutually；
The reason of described losing fangle includes that finished product protection measure is the most capable, form removal time method is incorrect and do not has during form removal
Have and concrete protected, corresponding preventive measure include basis form removal after after backfill, concrete are cast in time and
Time remove the unnecessary concrete of template edge and forbid sticking up template, corresponding improvement with the upper corner angle of concrete for fulcrum
Method includes just smearing polishing by cement mortar or with pea gravel concrete more higher leveled than former concrete；
Described circular arrangement foundation bolt offset big reason do not calibrate when including formwork foundation bolt position and
Highly, corresponding preventive measure includes utilizing lucite model that foundation bolt carries out centering, corresponding improvement side
Method includes position and the height again correcting foundation bolt.
A kind of KV Electric Transmissions method of quality control the most according to claim 1, it is characterised in that institute
The reason stating tower material Zinc Scaling includes that between tower material, mutually collision and hoisting point position do not have colligation spacer, correspondence
Preventive measure includes taking preventing tower material slip measure, forbids mopping floor and slide, use hanging belt erection tower material and suspension centre
Position colligation spacer, corresponding processing method include for deformation ferrum carry out repairing and take anti-corrosion measure, cannot
Anti-corrosion measure is taked at the position that the deformation ferrum repaired is replaced with Zinc Scaling；
The anti-reason filled of described nut includes that workmen's operation mistake, corresponding preventive measure include strengthening constructor
Member's technical training and administrative mechanism, corresponding administering method includes the nut correcting setup error；
Described bolt specification uses inconsistent reason to include, and workmen's operation mistake, corresponding preventive measure include
Strengthening workmen's technical training and administrative mechanism, corresponding administering method includes the bolt correcting setup error；
Described lock ring is installed the tightest reason and is included not using adjustable wrench to be fastened by lock ring, corresponding prevention
Measure includes the administrative mechanism strengthening workmen, and corresponding administering method includes not fastening with adjustable wrench
Lock ring fastens.
A kind of KV Electric Transmissions method of quality control the most according to claim 1, it is characterised in that institute
State the reason that wire frays include wire during unfolding not and ground or crossing frame departs from, anchor rope and wire
When mill, wire whiplash are installed with adnexa mutually, Work tool grinds mutually with wire, and corresponding preventive measure is included in wire can not
The ground departed from is taked effective Precautionary Measure, is ground position at anchor rope mutually with wire and install rubber additional with crossing frame position
Take the most contour arrangement of conductor when sheath, anchor and grind position mutually with Work tool at wire and take effective anti-
Mill measure, corresponding processing method includes that wire burr and shadow scratch position are tied by the sand paper with not being coarser than 0#；
Process for pressing code requirement than more serious position；
The reason of described aluminium hydraulic pressed connecting pipe mouth of pipe wire pine stock includes that position loose for wire is not twisted cause and closely and crimped
Before not by the wire straightening near the aluminium hydraulic pressed connecting pipe mouth of pipe, corresponding preventive measure includes repairing closely loose strands
With before poling by the wire straightening of aluminium hydraulic pressed connecting pipe near exit two meters, corresponding administering method includes repairing loose wire
Answer or cut off reclosing；
Described aluminium armor tape is installed underproof reason and is included that workmen's operation mistake, corresponding preventive measure include adding
Strong workmen's technical training and administrative mechanism, corresponding administering method includes winding direction mistake and is wound around the tightest
Close aluminium armor tape is corrected；
Described split pin is installed split pin when the most full reason includes construction and is come off and do not have spare part to mend dress, and corresponding is pre-
Anti-measure includes strengthening workmen's technical training and administrative mechanism, and corresponding administering method includes Short Item by design
Require and technology requires to carry out polishing and split pin opening is undesirable carries out opening by technology requirement；
Described insulator is installed underproof reason and is included that adnexa does not check the rim of a bowl side of insulator after installing
To inaccurate with printing of wire clamp installation site, corresponding preventive measure includes adjusting the rim of a bowl direction causing unified and meeting
Removing lifting Work tool after technological requirement and make wire clamp installation site accurate, corresponding administering method includes insulator
The levelling of the rim of a bowl direction and the installation site of adjustment wire clamp.
A kind of KV Electric Transmissions method of quality control the most according to claim 1, it is characterised in that institute
The down conductor system of stating the most straight curved reason includes not using specific purpose tool to carry out, and grounded system is curved and under grounding lead
Not carrying out straightening before line system is curved, corresponding preventive measure includes using specific purpose tool to carry out the curved operation of grounded system and system
By down conductor straightening before curved, corresponding processing method includes using specific purpose tool to carry out the curved behaviour of grounded system on request
Make；
The reason that the non-deep fill of described down conductor processes includes carrying on down conductor or long when making curved installation
Part does not has buried process, corresponding preventive measure to include by the reserved down conductor length of technology requirement and grounding lead
Adjusting the relative position of down conductor and foundation platform after the system of rolling off the production line is curved, corresponding administering method includes adjusting
The burial place of down conductor.
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| CN201510119446.0A CN104695475B (en) | 2015-03-18 | 2015-03-18 | A kind of KV Electric Transmissions method of quality control |
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| CN104695475B true CN104695475B (en) | 2017-01-04 |
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| CN201865119U (en) * | 2010-12-04 | 2011-06-15 | 中铁建电气化局集团北方工程有限公司 | Foundation bolt fixing support |
| CN102979107A (en) * | 2012-11-26 | 2013-03-20 | 国家电网公司 | Construction method for concrete tower foundation for power transmission |
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| CN201865119U (en) * | 2010-12-04 | 2011-06-15 | 中铁建电气化局集团北方工程有限公司 | Foundation bolt fixing support |
| CN102979107A (en) * | 2012-11-26 | 2013-03-20 | 国家电网公司 | Construction method for concrete tower foundation for power transmission |
| CN203475917U (en) * | 2013-09-22 | 2014-03-12 | 国家电网公司 | Electricity transmission tower |
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| CN104695475A (en) | 2015-06-10 |
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