CN109733998A - A kind of calibration of lifting equipment weight and test mass method - Google Patents

A kind of calibration of lifting equipment weight and test mass method Download PDF

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Publication number
CN109733998A
CN109733998A CN201910145327.0A CN201910145327A CN109733998A CN 109733998 A CN109733998 A CN 109733998A CN 201910145327 A CN201910145327 A CN 201910145327A CN 109733998 A CN109733998 A CN 109733998A
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CN
China
Prior art keywords
load
test mass
weight
calibration
lifting equipment
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
CN201910145327.0A
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Chinese (zh)
Inventor
周亚芬
杨来冬
王雷
季圣国
俞丽
毛艳
徐向华
黄超
赵金柱
陈鹏荣
陈琦
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.)
Shanghai Zhenghua Heavy Industries Co Ltd
Original Assignee
Shanghai Zhenghua Heavy Industries Co 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.)
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Application filed by Shanghai Zhenghua Heavy Industries Co Ltd filed Critical Shanghai Zhenghua Heavy Industries Co Ltd
Priority to CN201910145327.0A priority Critical patent/CN109733998A/en
Publication of CN109733998A publication Critical patent/CN109733998A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of calibration of lifting equipment weight and test mass methods, comprising the following steps: 1) cleans to the suspender on crane;2) security inspection is carried out to load;3) suspender is subjected to unloaded lifting;4) it according to calibration/test mass range is needed, selects corresponding Slung-Load on the gib head of suspender, slowly promotes load, load is made to leave ground or the water surface, and load is kept to remain static several minutes;5) the display weight for hanging load total weight and sensor by load together with suspender compares, if the display weight for hanging load total weight and sensor is consistent, then slowly decline load and removes, if the display weight for hanging load total weight and sensor is inconsistent, load is then verified together with the weight of suspender and the sensitivity of sensor, carries out weight calibration again according to above-mentioned steps after confirmation is errorless.The present invention realize it is a kind of it is adjustable, demarcated and test mass without repeating the mode of replacement load.

Description

A kind of calibration of lifting equipment weight and test mass method
Technical field
The present invention relates to the calibration of lifting equipment and test mass, more specifically to a kind of calibration of lifting equipment weight and Test mass method.
Background technique
With the continuous development of machinery heavy industry equipment industry, the requirement to the elevating capacity size of lifting equipment is also increasingly Greatly.Weight to guarantee crane loading is consistent with the numerical value that screen is shown, need to carry out staking-out work to its sensor, usually adopt It is to be demarcated after it is vacantly static by the Slung-Load of known tonnage under crane gib head with wirerope.Meanwhile In order to verify the reliability of each mechanism of lifting equipment and the bearing capacity of metal structure, test mass need to be carried out to lifting equipment.No matter It is the process of calibration or test mass, is verified by plus load.
Nowadays, mechanical heavy industry is equipped deeply develops to enlarged direction, the weight of the world manufactured by such as current Zhenhua heavy industry Big full circle swinging floating crane 12000T crane barge, lifting capacity are up to 12000T, have great-leap-forward to be promoted in elevating capacity same When also bring new problem, that is, suitable calibration and test mass load can not be searched out.In addition, whether demarcating or trying It includes multiple tonnages that the process of weight, calibration or test mass, which is ascending, using traditional solid hanging method, is needed according to not Load is frequently replaced with tonnage.
Summary of the invention
In view of the above defects of the prior art, the object of the present invention is to provide a kind of lifting equipment weight calibration and Test mass method realizes that one kind is adjustable, replaces the mode of load without repetition to carry out calibration and test mass.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of calibration of lifting equipment weight and test mass method, comprising the following steps:
1) suspender on crane is cleaned;
2) security inspection is carried out to load;
3) suspender is subjected to unloaded lifting;
4) it according to calibration/test mass range is needed, selects corresponding Slung-Load on the gib head of suspender, is slowly promoted and carried Lotus makes load leave ground or the water surface, and load is kept to remain static several minutes;
5) load is carried the display weight of total weight and sensor and compared together with hanging for suspender, if hang carry total weight with The display weight of sensor is consistent, then slowly declines load and remove, if hanging the display weight for carrying total weight and sensor It is inconsistent, then load is verified together with the weight of suspender and the sensitivity of sensor, again according to above-mentioned steps after confirmation is errorless Carry out weight calibration.
In the step 4), for calibration/test mass range in 10T~330T, is hung load and select dry type test mass case;
For calibration/test mass range in 330T~4000T, is hung load and select test mass water tank;
For calibration/test mass range in 4000T~17000T, is hung load and select dumb barge.
The self weight of the dry type test mass case is 10T, and the clump weight by increasing and decreasing 5T or 10T in dry type test mass case reaches it To 330T fixed tonnage below.
The self weight of the test mass water tank is 320T, reaches fixed tonnage by injecting water into test mass water tank.
The self weight of the dumb barge is 3200T, reaches its maximum weight by filling the water in the ballast tank of its distribution 17000T。
In the step 1), cleaning includes to each oil site, bearing, pin shaft filling lubricating oil, and to mechanical, electrical, liquid component It is checked.
In the step 2), after inspection, also need to prepare corresponding wirerope, shackle.
In the step 3), suspender is subjected to unloaded lifting, specially promotes gib head with the speed of fast, slow two gear respectively To check equipment components with the presence or absence of problem.
In the step 4), load leaves ground or the water surface not less than one meter, and it is not small to keep load to remain static In five minutes.
Further include step 6), after load removal, comprehensive inspection is carried out to lifting equipment.
In the above technical solution, a kind of lifting equipment weight calibration provided by the present invention and test mass method have The features such as highly-safe, applied widely, at low cost, replicability is strong.It can using carriers such as dry type test mass case, water tank, barges It effectively avoids because of safety accident caused by bundling loosely;Maximum test mass tonnage is up to 17000T, has filled up lifting industry large size ton The blank of position load test;Load test is carried out using water tank or barge, can directly take river, seawater is filled.It may be selected Different combinations shortens test period, saving load makes to meet required test tonnage without frequently replacement load The cost of expense, transfer fee and labour cost etc.;Carry out load test using the above scheme has been applied to Yantai Salvage Bureau " moral closes wheel " (5000T), Shanghai Salvage Bureau " wound wheels " (4500T), Zhenhua 30 take turns projects such as (12000T), for large-scale tonnage Lifting class machine can be used the above method carry out load test.
Detailed description of the invention
Fig. 1 be the present invention for demarcate/test mass range in 10T~330T, shown using what dry type test mass case was tested It is intended to;
Fig. 2 be in Fig. 1 A to schematic diagram;
Fig. 3 be the present invention for demarcate/test mass range in 330T~4000T, tested using single test mass water tank Schematic diagram;
Fig. 4 be in Fig. 3 B to schematic diagram;
Fig. 5 be the present invention for demarcate/test mass range in 330T~4000T, tested using double test mass water tanks Schematic diagram;
Fig. 6 be in Fig. 5 C to schematic diagram;
Fig. 7 be the present invention for demarcate/test mass range in 4000T~17000T, tested using dumb barge Schematic diagram;
Fig. 8 be in Fig. 7 D to schematic diagram.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 1 to Fig. 2, a kind of lifting equipment weight calibration provided by the present invention and test mass method, including Following steps:
1) suspender on crane is cleaned, lubricating oil is filled to positions such as each oil site, bearing, pin shafts, is guaranteed Flexible rotating, and the components such as mechanical, electrical, liquid are checked, guarantee can work normally;
2) security inspection is carried out to load, after inspection, also needs to prepare the locksets such as corresponding wirerope, shackle, it will Lockset is connected with load;
3) suspender is subjected to unloaded lifting, suspender is subjected to unloaded lifting, specially by gib head respectively with fast, slow two gear Speed is promoted to check that equipment components with the presence or absence of problem, are ready for calibration/test mass test;
4) it according to calibration/test mass range is needed, selects corresponding Slung-Load on the gib head of suspender, is slowly promoted and carried Lotus makes load leave ground or the water surface not less than one meter, and load is kept to remain static not less than five minutes;
5) load is carried the display weight of total weight and sensor and compared together with hanging for suspender, if hang carry total weight with The display weight of sensor is consistent, then slowly declines load and remove, if hanging the display weight for carrying total weight and sensor It is inconsistent, then load is verified together with the weight of suspender and the sensitivity of sensor, again according to above-mentioned steps after confirmation is errorless Carry out weight calibration;
6) after load removal, comprehensive inspection carried out to lifting equipment, verifying whether have after test mass components by To damage or permanent deformation.
As shown in Figure 1 and Figure 2, is hung by load and selects dry type test mass case in 10T~330T for calibration/test mass range.
For being calibrated without hanging loading capacity no more than 330T, in such a way that dry type test mass case 1 and clump weight 2 are arranged in pairs or groups into The self weight of the configuration of row weight, dry type test mass case 1 is 10T, hangs loading capacity according to object is calibrated, by increasing clump weight 2 (usually 5T and 10T) it reaches and is calibrated object and hangs loading capacity, it carries out demarcating/test mass test.
As shown in Figures 3 to 6, is hung by load and selects 1000T test mass in 330T~4000T for calibration/test mass range Water tank 3 and water valve opening and closing are to carry out Weight control.The self weight of 1000T test mass water tank 3 is 320T, hangs load-carrying according to object is calibrated Amount reaches by the way that fresh water or river in 1000T test mass water tank 3 are injected or released in 1000T test mass water tank 3 and hangs load-carrying Amount, while the different combination such as optional single water tank, double water tank and four water tanks is hung load mode and is tested.
As shown in Figure 7, Figure 8, is hung by load and selects unpowered refute in 4000T~17000T for calibration/test mass range Ship 4.Dumb barge 4 have the characteristics that weight and suspension centre be evenly distributed, freight space it is symmetrical, self weight is 3200T, according to being calibrated Object hangs loading capacity, reaches and carries out after hanging loading capacity by the injection in symmetrical freight space or wing tank or releasing fresh water or river Test.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention, And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above Change, modification will all be fallen within the scope of claims of the present invention.

Claims (10)

1. a kind of lifting equipment weight calibration and test mass method, which comprises the following steps:
1) suspender on crane is cleaned;
2) security inspection is carried out to load;
3) suspender is subjected to unloaded lifting;
4) it according to calibration/test mass range is needed, selects corresponding Slung-Load on the gib head of suspender, slowly promotes load, make Load leaves ground or the water surface, and load is kept to remain static several minutes;
5) the display weight for hanging load total weight and sensor by load together with suspender compares, and carries total weight and sensing if hanging The display weight of device is consistent, then slowly declines load and remove, if the display weight for hanging load total weight and sensor is different It causes, then verifies load together with the weight of suspender and the sensitivity of sensor, carried out after confirmation is errorless again according to above-mentioned steps Weight calibration.
2. a kind of lifting equipment weight calibration as described in claim 1 and test mass method, it is characterised in that: the step 4) In, for calibration/test mass range in 10T~330T, is hung load and select dry type test mass case;
For calibration/test mass range in 330T~4000T, is hung load and select test mass water tank;
For calibration/test mass range in 4000T~17000T, is hung load and select dumb barge.
3. a kind of lifting equipment weight calibration as claimed in claim 2 and test mass method, it is characterised in that: the dry type test mass The self weight of case is 10T, and the clump weight by increasing and decreasing 5T or 10T in dry type test mass case reaches 330T fixed ton below Position.
4. a kind of lifting equipment weight calibration as claimed in claim 2 and test mass method, it is characterised in that: the test mass water tank Self weight be 320T, reach fixed tonnage by injecting water into test mass water tank.
5. a kind of lifting equipment weight calibration as claimed in claim 2 and test mass method, it is characterised in that: described unpowered to refute The self weight of ship is 3200T, makes its maximum weight up to 17000T by filling the water in the ballast tank of its distribution.
6. a kind of lifting equipment weight calibration as described in claim 1 and test mass method, it is characterised in that: the step 1) In, cleaning includes that each oil site, bearing, pin shaft are filled lubricating oil, and checked mechanical, electrical, liquid component.
7. a kind of lifting equipment weight calibration as described in claim 1 and test mass method, it is characterised in that: the step 2) In, after inspection, also need to prepare corresponding wirerope, shackle.
8. a kind of lifting equipment weight calibration as described in claim 1 and test mass method, it is characterised in that: the step 3) In, suspender is subjected to unloaded lifting, is specially to check equipment components with the speed promotion of fast, slow two gear respectively by gib head It is no that there are problems.
9. a kind of lifting equipment weight calibration as described in claim 1 and test mass method, it is characterised in that: the step 4) In, load leaves ground or the water surface not less than one meter, and load is kept to remain static not less than five minutes.
10. a kind of lifting equipment weight calibration as described in claim 1 and test mass method, it is characterised in that: further include step 6), after load removal, comprehensive inspection is carried out to lifting equipment.
CN201910145327.0A 2019-02-27 2019-02-27 A kind of calibration of lifting equipment weight and test mass method Pending CN109733998A (en)

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CN201910145327.0A CN109733998A (en) 2019-02-27 2019-02-27 A kind of calibration of lifting equipment weight and test mass method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111504678A (en) * 2020-04-26 2020-08-07 中船黄埔文冲船舶有限公司 Floating barge for crane load test and load test method
CN112129561A (en) * 2020-09-04 2020-12-25 中船黄埔文冲船舶有限公司 Crane load test method

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Publication number Priority date Publication date Assignee Title
CN202947890U (en) * 2012-12-03 2013-05-22 长沙东屋机电有限责任公司 Water tank type test weight for bridge type crane static test
CN202947889U (en) * 2012-12-03 2013-05-22 长沙东屋机电有限责任公司 Water tank type trial mass of bridge type crane static test
CN203781677U (en) * 2014-01-09 2014-08-20 无锡沃特力材料科技有限公司 Trial mass device of crane
WO2014177920A1 (en) * 2013-05-03 2014-11-06 Atrac Inc. Proof load bag system and method
CN105403423A (en) * 2015-12-10 2016-03-16 润邦卡哥特科工业有限公司 Test container

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN202947890U (en) * 2012-12-03 2013-05-22 长沙东屋机电有限责任公司 Water tank type test weight for bridge type crane static test
CN202947889U (en) * 2012-12-03 2013-05-22 长沙东屋机电有限责任公司 Water tank type trial mass of bridge type crane static test
WO2014177920A1 (en) * 2013-05-03 2014-11-06 Atrac Inc. Proof load bag system and method
CN203781677U (en) * 2014-01-09 2014-08-20 无锡沃特力材料科技有限公司 Trial mass device of crane
CN105403423A (en) * 2015-12-10 2016-03-16 润邦卡哥特科工业有限公司 Test container

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111504678A (en) * 2020-04-26 2020-08-07 中船黄埔文冲船舶有限公司 Floating barge for crane load test and load test method
CN112129561A (en) * 2020-09-04 2020-12-25 中船黄埔文冲船舶有限公司 Crane load test method

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Application publication date: 20190510