CN110118653A - A kind of ring-chain hoist load test device and load testing method - Google Patents
A kind of ring-chain hoist load test device and load testing method Download PDFInfo
- Publication number
- CN110118653A CN110118653A CN201910400528.0A CN201910400528A CN110118653A CN 110118653 A CN110118653 A CN 110118653A CN 201910400528 A CN201910400528 A CN 201910400528A CN 110118653 A CN110118653 A CN 110118653A
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- counterweight
- ring
- load test
- melt pit
- chain hoist
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 239000000155 melt Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of ring-chain hoist load test devices, melt pit including counterweight and placement counterweight, the melt pit bottom is equipped with counterweight collet, includes the locating rod set up in the middle part of the counterweight collet, is equipped with location hole compatible with the locating rod in the middle part of the counterweight.The invention also discloses load testing methods, specifically comprise the following steps: (1) 0.5t ring-chain hoist load test；(2) 1t ring-chain hoist load test；(3) 2t ring-chain hoist load test.0.5t, 1t, 2t ring-chain hoist load test can be realized by switching different suspension centres in load test in the present invention, and counterweight utilization rate is high, and easy to operate, work efficiency is high, and since test counterweight is arranged in melt pit, therefore safety coefficient greatly improves.
Description
Technical field
The present invention relates to hoisting machinery load test equipment and experimental technique field more particularly to a kind of ring-chain hoist load
Experimental rig and load testing method.
Background technique
Electric block is typically mounted at the characteristics of single-beam plays electric block heavy-duty machine, bridge crane, gantry crane, suspension
Crane.It mainly by retarder, hoisting motor, operation motor, cutoff retainer, cable slide wire, roll device, hook gear,
Shaft coupling, flexible-cable electric current introducer etc. integrate power and brake force.Electric block is before being put into use, unexpected in order to prevent
Occur, load test stabilization is carried out to electric block.
Ring-chain hoist is a kind of office operation commonly small-sized light crane equipment, and small in size, light-weight, structure is first
Into, reliable performance.Ring-chain hoist load test master operation are as follows:
1,1.3 times of counterweights of rated load are lifted, it is normal to lift by crane；
2,1.35 times of counterweights of rated load are lifted, are skidded.
Ring-chain hoist conventional test methods are 1.3 times of counterweights being equipped under all tonnage cucurbit rated loads, 1.35 times of weights
Code carries out hoisting test according to the corresponding counterweight of tonnage selection, and this method counterweight is many kinds of, and counterweight utilization rate is low, cost input
Greatly, and lifting process is cumbersome, and operating efficiency is low, and danger coefficient is big.
Summary of the invention
The object of the present invention is to provide a kind of ring-chain hoist load test devices, to solve the above problems.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of ring-chain hoist load test device, the melt pit including counterweight and placement counterweight, the melt pit bottom is equipped with counterweight bottom
Support, the counterweight collet middle part include the locating rod set up, are equipped in the middle part of the counterweight compatible with the locating rod
Location hole.
Preferably, it is equipped with melt pit lid at the top of the melt pit, the melt pit is covered with four lifting via holes, and melt pit lid weight is
0.05t。
Preferably, the counterweight includes fixed counterweight and portable counterweight, and fixed counterweight includes a 1.3t fixed counterweight, one
The fixed counterweight of a 0.65t and the fixed counterweight of a 0.6t, portable counterweight include 4 portable counterweights of 0.025t.
Preferably, it is solid that the sequence that the fixed counterweight is arranged locating rod is followed successively by the fixed counterweight of 1.3t, 0.65t from the bottom up
Determine the fixed counterweight of counterweight, 0.6t.
Preferably, the fixed counterweight includes two symmetrically arranged lifting hangers, the lifting hangers of the fixed counterweight of 1.3t
It is staggered 90 ° and places with the lifting hangers of the fixed counterweight of 0.65t and the fixed counterweight of 0.6t.
Preferably, counterweight collet bottom is equipped with cushion block.
Preferably, the melt pit inner wall is equipped with guard ring.
A kind of load testing method using ring-chain hoist load test device, specifically comprises the following steps:
(1) 0.5t ring-chain hoist load test: first removing portable counterweight before lifting, slings the fixed counterweight lifting hangers of 0.6t,
It is sling together together with melt pit lid, i.e., hoisting weight is 0.65t；A portable counterweight of 0.025t is arranged on the securing lever again, is hung
It plays the fixed counterweight of 0.6t and lifts hangers, sling together together with melt pit lid and a portable counterweight of 0.025t, i.e., hoisting weight is
0.675t；
(2) 1t ring-chain hoist load test: first removing portable counterweight before lifting, slings the fixed counterweight lifting hangers of 0.65t, even
With melt pit lid integral lifting, i.e. hoisting weight is 1.3t；Two portable counterweights of 0.025t are arranged on the securing lever again, are sling
The fixed counterweight of 0.65t lifts hangers, slings together together with melt pit lid and two portable counterweights of 0.025t, i.e., hoisting weight is
1.35t；
(3) 2t ring-chain hoist load test: first removing portable counterweight before lifting, slings the fixed counterweight lifting hangers of 1.3t, even
With melt pit lid integral lifting, i.e. hoisting weight is 2.6t；Four portable counterweights of 0.025t are arranged on the securing lever again, are sling
The fixed counterweight of 1.3t lifts hangers, slings together together with melt pit lid and four portable counterweights of 0.025t, i.e., hoisting weight is 2.7t.
Beneficial effects of the present invention are as follows:
1, ring-chain hoist load test device while being able to satisfy a variety of differences by the intercombinations of different counterweights in the present invention
The needs of tonnage ring-chain hoist load, reduce costs investment, and counterweight is integrated by locating rod, are uniformly placed on ground
In hole, space utilization rate is improved.
2, the fixation counterweight in the present invention in ring-chain hoist load test device places in sequence, in use process not
It needs replacing fixed counterweight or changes the position of fixed counterweight, substantially reduce the time of load test, save labour.
3, the present invention in ring-chain hoist load test device include set there are four lifting via hole melt pit lid, when not in use
Hole lid can play safety protection function；Lifting rope is penetrated in melt pit from lifting via hole when use, mobile melt pit lid is not needed, improves
Service efficiency, saves labour.
4, by the different suspension centres of switching 0.5t, 1t, 2t ring-chain hoist load test can be realized in load test in the present invention,
Counterweight utilization rate is high, and easy to operate, work efficiency is high, and since test counterweight is arranged in melt pit, therefore safety coefficient greatly improves.
Detailed description of the invention
The structural schematic diagram of ring-chain hoist load test device in Fig. 1 present invention；
Fig. 2 is the sectional view in Fig. 1 at A-A；
Fig. 3 is the top view of Fig. 1.
It is as shown in the figure: 1- cushion block, the fixed counterweight of 2-1.3t, the fixed counterweight of 3-0.65t, the fixed counterweight of 4-0.6t, 5- protection
Circle, 6- melt pit lid, the portable counterweight of 7-, 8- counterweight collet, 801- locating rod, 9- melt pit, 10- lift hangers, and 11- lifts via hole,
12- location hole.
Specific embodiment
The following is further explained with reference to the attached drawings the embodiment of the present invention.
For 0.5t, 1t, 2t ring-chain hoist load test, load needed for testing is as shown in the table:
| Serial number | Rated load | 1.3 times of load | 1.35 load again |
| 1 | 0.5t | 0.65 t | 0.675 t |
| 2 | 1 t | 1.3 t | 1.35 t |
| 3 | 2 t | 2.6 t | 2.7 t |
As can be known from the above table, 0.5t, 1t, 2t ring-chain hoist load test need to sling 0.65t, 0.675t, 1.3t, 1.35t, 2.6t
Load test can be completed with the counterweight of six weight of 2.7t.
As shown in Figure 1-3, a kind of ring-chain hoist load test device, the melt pit 9 including counterweight and placement counterweight, describedly
9 inner sidewalls are cheated equipped with guard ring 5, guard ring can play a buffer role in, and reduces and causes when counterweight moves up and down with pit wall collision
Destruction to pit wall.
9 bottom of melt pit is equipped with cushion block 1, and it includes upward in the middle part of the counterweight collet 8 that cushion block 1, which is equipped with counterweight collet 8,
The locating rod 801 of setting, the counterweight middle part are equipped with location hole compatible with the locating rod 801.
Melt pit lid 6 is equipped at the top of the melt pit 9, the melt pit lid 6 is set there are four lifting via hole 11, and 6 weight of melt pit lid is
0.05t covers after melt pit lid 6 not only neat appearance, moreover it is possible to prevent personnel from falling into melt pit, securely and reliably.
The counterweight includes fixed counterweight and portable counterweight, and fixed counterweight includes the fixed counterweight 2, one of a 1.3t
The fixed counterweight 3 of 0.65t and the fixed counterweight 4 of a 0.6t, portable counterweight 7 include 4 portable counterweights of 0.025t, the fixed counterweight
The sequence for being set in locating rod 801 is followed successively by the fixed counterweight 2 of 1.3t, the fixed counterweight 3 of 0.65t, the fixed counterweight of 0.6t from the bottom up
4。
The fixed counterweight includes two symmetrically arranged lifting hangers 10, the lifting hangers 10 of the fixed counterweight 2 of 1.3t and
The lifting hangers 10 of the fixed counterweight 3 of 0.65t and the fixed counterweight 4 of 0.6t, which is staggered 90 °, to be placed, this structure facilitates connection lifting rope searching to hang
Fill the operation of hangers.
A kind of load testing method using ring-chain hoist load test device, the specific steps are as follows:
(1) 0.5t ring-chain hoist load test: first removing portable counterweight 7 before lifting, is put into ground by lifting via hole for lifting rope
The fixed counterweight 4 of 0.6t is sling in hole and lifts hangers 10, is sling together together with melt pit lid 6, i.e., hoisting weight is 0.65t；Again one
A portable counterweight 7 of 0.025t is set in locating rod 801, is sling the fixed counterweight 4 of 0.6t and is lifted hangers 10, together with 6 He of melt pit lid
The portable counterweight 7 of one 0.025t is sling together, i.e., hoisting weight is 0.675t.
(2) 1t ring-chain hoist load test: first removing portable counterweight 7 before lifting, and lifting rope is put by lifting via hole
The fixed counterweight 3 of 0.65t is sling in melt pit and lifts hangers 10, and together with 6 integral lifting of melt pit lid, i.e. hoisting weight is 1.3t；Again
The portable counterweight 7 of two 0.025t is arranged on the securing lever 801, slings the fixed counterweight 3 of 0.65t and lifts hangers 10, together with melt pit lid 6
It is sling together with the portable counterweight 7 of two 0.025t, i.e., hoisting weight is 1.35t.
(3) 2t ring-chain hoist load test: first removing portable counterweight 7 before lifting, and lifting rope is put by lifting via hole
The fixed counterweight 2 of 1.3t is sling in melt pit and lifts hangers 10, and together with 6 integral lifting of melt pit lid, i.e. hoisting weight is 2.6t；Again four
A portable counterweight 7 of 0.025t is set in locating rod 801, is sling the fixed counterweight 2 of 1.3t and is lifted hangers 10, together with 6 He of melt pit lid
The portable counterweight 7 of four 0.025t is sling together, i.e., hoisting weight is 2.7t.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (8)
1. a kind of ring-chain hoist load test device, it is characterised in that the melt pit including counterweight and placement counterweight, the melt pit bottom
Portion is equipped with counterweight collet, includes the locating rod set up in the middle part of the counterweight collet, be equipped in the middle part of the counterweight with it is described fixed
The compatible location hole of position bar.
2. a kind of ring-chain hoist load test device according to claim 1, which is characterized in that be equipped at the top of the melt pit
Melt pit lid, the melt pit are covered with four lifting via holes and a location hole compatible with locating rod, and melt pit lid weight is
0.05t。
3. a kind of ring-chain hoist load test device according to claim 2, which is characterized in that the counterweight includes fixing
Counterweight and portable counterweight, fixed counterweight include the fixed counterweight of a 1.3t, the fixed counterweight of a 0.65t and the fixed weight of a 0.6t
Code, portable counterweight include 4 portable counterweights of 0.025t.
4. a kind of ring-chain hoist load test device according to claim 3, which is characterized in that the fixed counterweight is arranged
The sequence of locating rod is followed successively by the fixed counterweight of 1.3t, the fixed counterweight of 0.65t, the fixed counterweight of 0.6t from the bottom up.
5. a kind of ring-chain hoist load test device according to claim 4, which is characterized in that the fixed counterweight includes
Two symmetrically arranged lifting hangers, the lifting hangers and the fixed counterweight of 0.65t and 0.6t of the fixed counterweight of 1.3t fix counterweight
Lifting hangers, which is staggered 90 °, to be placed.
6. a kind of ring-chain hoist load test device according to claim 1, which is characterized in that counterweight collet bottom
Equipped with cushion block.
7. a kind of ring-chain hoist load test device according to claim 1, which is characterized in that the melt pit inner wall is equipped with
Guard ring.
8. a kind of load test using ring-chain hoist load test device described in any one of claim 3-4 claim
Method, which is characterized in that specifically comprise the following steps:
(1) 0.5t ring-chain hoist load test: first removing portable counterweight before lifting, slings the fixed counterweight lifting hangers of 0.6t,
It is sling together together with melt pit lid, i.e., hoisting weight is 0.65t；A portable counterweight of 0.025t is arranged on the securing lever again, is hung
It plays the fixed counterweight of 0.6t and lifts hangers, sling together together with melt pit lid and a portable counterweight of 0.025t, i.e., hoisting weight is
0.675t；
(2) 1t ring-chain hoist load test: first removing portable counterweight before lifting, slings the fixed counterweight lifting hangers of 0.65t, even
With melt pit lid integral lifting, i.e. hoisting weight is 1.3t；Two portable counterweights of 0.025t are arranged on the securing lever again, are sling
The fixed counterweight of 0.65t lifts hangers, slings together together with melt pit lid and two portable counterweights of 0.025t, i.e., hoisting weight is
1.35t；
(3) 2t ring-chain hoist load test: first removing portable counterweight before lifting, slings the fixed counterweight lifting hangers of 1.3t, even
With melt pit lid integral lifting, i.e. hoisting weight is 2.6t；Four portable counterweights of 0.025t are arranged on the securing lever again, are sling
The fixed counterweight of 1.3t lifts hangers, slings together together with melt pit lid and four portable counterweights of 0.025t, i.e., hoisting weight is 2.7t.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910400528.0A CN110118653A (en) | 2019-05-15 | 2019-05-15 | A kind of ring-chain hoist load test device and load testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910400528.0A CN110118653A (en) | 2019-05-15 | 2019-05-15 | A kind of ring-chain hoist load test device and load testing method |
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| Publication Number | Publication Date |
|---|---|
| CN110118653A true CN110118653A (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910400528.0A Pending CN110118653A (en) | 2019-05-15 | 2019-05-15 | A kind of ring-chain hoist load test device and load testing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550559A (en) * | 2019-08-20 | 2019-12-10 | 南京海天检测有限公司 | Portal crane performance detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01161130A (en) * | 1987-10-03 | 1989-06-23 | Lifting Gear Hire Ltd | Load tester |
| US20030037623A1 (en) * | 2001-05-07 | 2003-02-27 | Bollinger Charles L. | Crane test weight assembly and method |
| CN202092861U (en) * | 2011-06-02 | 2011-12-28 | 江苏省特种设备安全监督检验研究院无锡分院 | Electric cucurbit testing stand of integrated dolly type |
| CN203011678U (en) * | 2012-11-15 | 2013-06-19 | 诺威起重设备（苏州）有限公司 | Counterweight device for hoist testing stand |
| CN203011710U (en) * | 2012-11-15 | 2013-06-19 | 诺威起重设备（苏州）有限公司 | Integrated system for single/double-beam hoist |
| CN209841384U (en) * | 2019-05-15 | 2019-12-24 | 纽科伦（新乡）起重机有限公司 | Load test device for chain hoist |
-
2019
- 2019-05-15 CN CN201910400528.0A patent/CN110118653A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01161130A (en) * | 1987-10-03 | 1989-06-23 | Lifting Gear Hire Ltd | Load tester |
| US20030037623A1 (en) * | 2001-05-07 | 2003-02-27 | Bollinger Charles L. | Crane test weight assembly and method |
| CN202092861U (en) * | 2011-06-02 | 2011-12-28 | 江苏省特种设备安全监督检验研究院无锡分院 | Electric cucurbit testing stand of integrated dolly type |
| CN203011678U (en) * | 2012-11-15 | 2013-06-19 | 诺威起重设备（苏州）有限公司 | Counterweight device for hoist testing stand |
| CN203011710U (en) * | 2012-11-15 | 2013-06-19 | 诺威起重设备（苏州）有限公司 | Integrated system for single/double-beam hoist |
| CN209841384U (en) * | 2019-05-15 | 2019-12-24 | 纽科伦（新乡）起重机有限公司 | Load test device for chain hoist |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550559A (en) * | 2019-08-20 | 2019-12-10 | 南京海天检测有限公司 | Portal crane performance detection device |
| CN110550559B (en) * | 2019-08-20 | 2020-08-11 | 南京海天检测有限公司 | Portal crane performance detection device |
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