CN209841384U - Load test device for chain hoist - Google Patents
Load test device for chain hoist Download PDFInfo
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- CN209841384U CN209841384U CN201920687870.9U CN201920687870U CN209841384U CN 209841384 U CN209841384 U CN 209841384U CN 201920687870 U CN201920687870 U CN 201920687870U CN 209841384 U CN209841384 U CN 209841384U
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Abstract
The utility model discloses a chain hoist load test device, include the weight and place the pit of weight, the pit bottom is equipped with the weight collet, weight collet middle part is including the locating lever that upwards sets up, the weight middle part be equipped with the locating hole of locating lever looks adaptation. The utility model also discloses a load test method specifically includes following step: (1) carrying out a 0.5t loop chain hoist load test; (2) 1t of load test of a chain hoist; (3) and 2t ring chain hoist load test. The utility model discloses well load test can realize 0.5t, 1t, 2t ring chain hoist load test through switching different hoisting points, and the weight high-usage, easy operation, work efficiency is high, because experimental weight arranges in the pit, so factor of safety improves greatly.
Description
Technical Field
The utility model relates to a jack-up machinery load test equipment and experimental technical field especially relate to a chain hoist load test device.
Background
The electric hoist is generally installed in the characteristic heavy machine, bridge crane, gantry crane, and overhead crane of the single-beam hoist. The device mainly integrates power and braking force into a whole by a speed reducer, a lifting motor, a running motor, a fire breaker, a cable slide wire, a winding drum device, a lifting hook device, a coupler, a flexible cable current introducer and the like. Before the electric hoist is put into use, in order to prevent accidents, a load test is carried out on the electric hoist.
The chain hoist is a light and small light hoisting device commonly used for indoor operation, and has the advantages of small volume, light weight, advanced structure and reliable performance. The main procedures of the load test of the chain hoist are as follows:
1. hoisting a weight with the rated load of 1.3 times, and normally hoisting;
2. and (4) hoisting a weight with the rated load of 1.35 times, and slipping.
The traditional test method of the chain hoist is characterized in that weights 1.3 times and weights 1.35 times under the rated load of all tonnage hoists are equipped, and corresponding weights are selected according to the tonnage to carry out a hoisting test.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a chain hoist load test device to solve above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a chain hoist load test device, includes the weight and places the pit of weight, the pit bottom is equipped with the weight collet, weight collet middle part is including the locating lever that upwards sets up, the weight middle part be equipped with the locating hole of locating lever looks adaptation.
Preferably, a pit cover is arranged at the top of the pit, four hoisting through holes are formed in the pit cover, and the weight of the pit cover is 0.05 t.
Preferably, the weights comprise fixed weights and portable weights, the fixed weights comprise a 1.3t fixed weight, a 0.65t fixed weight and a 0.6t fixed weight, and the portable weights comprise 4 portable weights of 0.025 t.
Preferably, the fixed weights and the fixed weights of 0.6t are sequentially arranged from bottom to top in the sequence of sleeving the positioning rods by the fixed weights, wherein 1.3t of the fixed weights, 0.65t of the fixed weights and 0.6t of the fixed weights are sequentially arranged from top to bottom.
Preferably, the fixed weight comprises two symmetrically arranged hoisting lugs, and the hoisting lugs of the 1.3t fixed weight and the hoisting lugs of the 0.65t fixed weight and the 0.6t fixed weight are staggered by 90 degrees.
Preferably, the bottom of the weight bottom support is provided with a cushion block.
Preferably, the inner wall of the pit is provided with a protective ring.
The utility model has the advantages as follows:
1. the utility model discloses well chain hoist load test device can satisfy the needs of multiple different tonnage chain hoist loads simultaneously through the intercombination of different weights, and the cost is reduced drops into, and the weight passes through the locating lever integration together, and unified placing improves space utilization in the pit.
2. The utility model discloses fixed weight among the well chain hoist load test device is placed according to the order, need not change fixed weight or change fixed weight's position in the use, has shortened load test's time greatly, has saved the labour.
3. The middle-loop chain hoist load test device comprises a pit cover provided with four hoisting through holes, and the pit cover can play a safety protection role when not in use; during the use, penetrate the lifting rope into the pit from the hoisting through hole, do not need to remove the pit cover, improve the use efficiency, saved the labour.
Drawings
FIG. 1 is a schematic structural view of a middle-loop chain hoist load test device of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a top view of fig. 1.
Shown in the figure: 1-cushion block, 2-1.3t fixed weight, 3-0.65t fixed weight, 4-0.6t fixed weight, 5-protective ring, 6-pit cover, 7-portable weight, 8-weight bottom support, 801-positioning rod, 9-pit, 10-hoisting hanger, 11-hoisting via hole and 12-positioning hole.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
For the load tests of the 0.5t, 1t and 2t ring chain hoist, the loads required by the tests are shown in the following table:
| serial number | Rated load | 1.3 times load | 1.35 times load |
| 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 seen from the table, the load tests of the loop chain hoist with the weights of 0.5t, 1t and 2t can be completed by lifting the weights of 0.65t, 0.675t, 1.3t, 1.35t, 2.6t and 2.7 t.
As shown in figures 1-3, a ring chain hoist load test device comprises weights and a pit 9 for placing the weights, wherein a protective ring 5 is arranged on the inner side wall of the pit 9 and can play a role in buffering, and damage to the pit wall caused by collision between the weights and the pit wall when the weights move up and down is reduced.
The bottom of pit 9 is equipped with cushion 1, is equipped with weight collet 8 on the cushion 1, weight collet 8 middle part is including the locating lever 801 that upwards sets up, the weight middle part be equipped with the locating hole of locating lever 801 looks adaptation.
Pit cover 6 is equipped with at 9 tops of pit, pit cover 6 is equipped with four hoist and mount via holes 11, and pit cover 6 weight is 0.05t, covers not only neat pleasing to the eye behind pit cover 6, can also prevent that personnel from falling into in the pit, safe and reliable.
The weight includes fixed weight and portable weight, and fixed weight includes a 1.3t fixed weight 2, a 0.65t fixed weight 3 and a 0.6t fixed weight 4, and portable weight 7 includes 4 portable weights of 0.025t, fixed weight cover is established and is up fixed weight 2, 0.65t fixed weight 3, 0.6t fixed weight 4 in proper order from down in the order of locating lever 801.
The fixed weight includes the hoist and mount hangers 10 that two symmetries set up, and 1.3t fixed weight 2's hoist and mount hangers 10 and 0.65t fixed weight 3 and 0.6t fixed weight 4 stagger 90 and place, and this structure is convenient to be connected the lifting rope and is look for the operation of hoist and mount hangers.
A load test method using a load test device of a chain hoist comprises the following specific steps:
(1) 0.5t ring chain hoist load test: before lifting, the portable weight 7 is removed, the lifting rope is placed into the pit through the lifting through hole to lift the fixed weight 4 lifting lugs 10 by 0.6t, and the fixed weight is lifted together with the pit cover 6, namely the lifting weight is 0.65 t; and then a portable weight 7 of 0.025t is sleeved on the positioning rod 801, the fixed weight 4 of 0.6t is hoisted to hoist the hanging lug 10, and the hanging lug and the pit cover 6 are hoisted together with the portable weight 7 of 0.025t, namely the hoisting weight is 0.675 t.
(2) 1t ring chain hoist load test: before lifting, the portable weights 7 are removed, the lifting rope is placed into the pit through the lifting through hole to lift the fixed weight 3 lifting lugs 10 by 0.65t, and the fixed weight 3 and the pit cover 6 are lifted integrally, namely the lifting weight is 1.3 t; then, two portable weights 7 of 0.025t are sleeved on the positioning rod 801, the fixed weight 3 of 0.65t is hoisted to hoist the hanging lug 10, and the hanging lug and the pit cover 6 are hoisted together with the two portable weights 7 of 0.025t, namely the hoisting weight is 1.35 t.
(3) 2t ring chain hoist load test: before lifting, the portable weight 7 is removed, the lifting rope is placed into the pit through the lifting through hole to lift the 1.3t fixed weight 2 lifting lugs 10, and the fixed weight 2 and the pit cover 6 are lifted integrally, namely the lifting weight is 2.6 t; and then the four portable weights 7 of 0.025t are sleeved on the positioning rod 801, the 1.3t fixed weight 2 is hoisted to hoist the hanging lug 10, and the hanging lug is hoisted together with the pit cover 6 and the four portable weights 7 of 0.025t, namely the hoisting weight is 2.7 t.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (7)
1. The utility model provides a chain hoist load test device, its characterized in that includes the weight and places the pit of weight, the pit bottom is equipped with the weight collet, weight collet middle part is including the locating lever that upwards sets up, the weight middle part be equipped with the locating hole of locating lever looks adaptation.
2. The ring chain hoist load test device of claim 1, wherein a pit cover is arranged at the top of the pit, the pit cover is provided with four hoisting through holes and a positioning hole matched with the positioning rod, and the weight of the pit cover is 0.05 t.
3. The chain hoist load test device of claim 2, wherein the weights comprise a fixed weight and a portable weight, the fixed weight comprises a 1.3t fixed weight, a 0.65t fixed weight and a 0.6t fixed weight, and the portable weight comprises 4 portable weights of 0.025 t.
4. The chain hoist load test device of claim 3, wherein the fixed weights are sequentially 1.3t fixed weights, 0.65t fixed weights and 0.6t fixed weights from bottom to top.
5. The chain hoist load test device of claim 4, wherein the fixed weights comprise two symmetrically arranged hoisting lugs, and the hoisting lugs of the 1.3t fixed weights are staggered by 90 degrees from the hoisting lugs of the 0.65t fixed weights and the hoisting lugs of the 0.6t fixed weights.
6. The chain hoist load test device of claim 1, wherein the bottom of the weight bottom support is provided with a cushion block.
7. The load test device for the chain hoist as claimed in claim 1, wherein a guard ring is arranged on the inner wall of the pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687870.9U CN209841384U (en) | 2019-05-15 | 2019-05-15 | Load test device for chain hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687870.9U CN209841384U (en) | 2019-05-15 | 2019-05-15 | Load test device for chain hoist |
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| Publication Number | Publication Date |
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| CN209841384U true CN209841384U (en) | 2019-12-24 |
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| CN201920687870.9U Active CN209841384U (en) | 2019-05-15 | 2019-05-15 | Load test device for chain hoist |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118653A (en) * | 2019-05-15 | 2019-08-13 | 纽科伦（新乡）起重机有限公司 | A kind of ring-chain hoist load test device and load testing method |
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2019
- 2019-05-15 CN CN201920687870.9U patent/CN209841384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118653A (en) * | 2019-05-15 | 2019-08-13 | 纽科伦（新乡）起重机有限公司 | A kind of ring-chain hoist load test device and load testing method |
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