CN210037239U - Combined weight for electric hoist test - Google Patents
Combined weight for electric hoist test Download PDFInfo
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- CN210037239U CN210037239U CN201920930783.1U CN201920930783U CN210037239U CN 210037239 U CN210037239 U CN 210037239U CN 201920930783 U CN201920930783 U CN 201920930783U CN 210037239 U CN210037239 U CN 210037239U
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Abstract
The utility model relates to a combined weight for electric block test, including a plurality of big weights that pile up, connect through the couple that both ends have the crotch between two adjacent big weights, the big weight at top is gone up the joint and is installed the T type jib of inversion, the afterbody of T type jib is installed rings through locknut and is equipped with the safety pin that prevents locknut from becoming flexible at the end; the small weight is arranged in the large weight and used in cooperation with the large weight; the utility model discloses a weight type is retrencied, and loading and unloading are connected conveniently between the weight, and labour saving and time saving has improved work efficiency greatly.
Description
Technical Field
The utility model belongs to the technical field of hoisting equipment test device technique and specifically relates to a combination weight for electric block is experimental.
Background
The electric hoist is used as a hoisting device, is arranged on a crown block and a gantry crane, is widely applied to occasions needing to lift or move heavy objects, such as industrial and mining enterprises, buildings, warehouse wharfs and the like, and is a necessary machine for improving the labor efficiency and the labor conditions. It is usually driven by a self-contained motor, and the lifting capacity is from hundreds of jin to hundreds of tons; because of its heavy hoisting weight, use highly, in order to ensure the security and the requisite characteristic of electric block, must carry out relevant test.
The test of the electric hoist mainly comprises a rated load test, a dynamic load test under 1.1 times of rated load and a static load test under 1.25 times of rated load; the test load is required in the test, weights are most feasible and commonly used in the prior art, weight groups are formed by combining and stringing weights with different weights through a pull rod in the middle, and the weights are hung on an electric hoist lifting hook, so that various tests are carried out on the weights.
At present, the weight group is taken as a load to carry out the electric hoist test, and the following problems exist:
(1) the matching weights are inefficient.
The rated tonnage of the electric hoist has many grades, the rated tonnage is as small as 0.1t, 0.125t, 0.16t, 0.2t, 0.25t, 0.32t, 0.4t, 0.5t, 0.63t and 0.8t, and the rated tonnage is as large as multiples of 10 and 100, and the loads of each test are different and the weights need to be recombined each time by combining the rated loads of different multiples required by the test. The existing method is a building block type, a group of weights are dismounted from a pull rod, and are strung on the pull rod individually according to new requirements, and finally a pull head is screwed on the pull rod; the test efficiency is very low, the test is only half an hour, but the combined weight takes at least 3 hours, so that the test speed and efficiency are greatly reduced.
(2) The workload is large.
The electric hoists with rated tonnage of 16t, 32t, 50t and 80t are more, the combined total weight of the weights required by the test is 20t to 100t, and the carrying and the combination of the weights during the test are labor-consuming and laborious; a weight between 10t and 20t needs two persons to cooperate and be hoisted and carried by a crane.
SUMMERY OF THE UTILITY MODEL
The applicant provides a rational in infrastructure combination weight for electric block is experimental to shortcoming among the above-mentioned prior art of production to retrench the weight specification, reduce weight matching work load, promote weight matching speed and efficiency greatly.
The utility model discloses the technical scheme who adopts as follows:
a combined weight for an electric hoist test comprises a plurality of stacked large weights, two adjacent large weights are connected through a hook, an inverted T-shaped suspender is mounted on the large weight at the top, and a hanging ring is mounted at the tail of the T-shaped suspender; the small weight matched with the large weight is also included.
As a further improvement of the above technical solution:
the structure of big weight does: the large weight comprises a large weight body with a circular cake-shaped structure, wherein the middle part of the large weight body is provided with an I-shaped central hole, and the T-shaped suspender is hung and connected with a step of the central hole; a plurality of mounting holes for placing small weights are formed in the large weight body on the outer side of the central hole along the circumferential direction, a plurality of lug plates which are uniformly arranged are formed by inwards concave edges of two planes of the large weight body on the outer side of the mounting holes, and the lug plates are of a trapezoidal thin plate structure; the middle part of the ear plate is provided with a through hook groove, so that a hanging rod is formed at the edge of the ear plate and is hooked with the hook.
The height of the countersunk structures at the two ends of the central hole is greater than that of the head of the T-shaped hanging rod.
The structure of couple does: the hook comprises a hook body with hooks at two ends, wherein an anti-falling plate is arranged on the hook body close to one end of the hook through a pin shaft, and a spring is also arranged between the anti-falling plate and the hook body; the anti-falling plate rotates relative to the hook body by taking the pin shaft as a center, and the end part of the anti-falling plate which does circular motion is positioned inside the hook of the hook body.
The structure of the small weight is as follows: the small weight comprises a small weight body with a cylindrical structure, wherein a bulge extends downwards from the bottom of the small weight body, and the bulge is matched and positioned with a large weight; the small weight is characterized in that a lifting lug hole is formed in the top of the small weight body, is a threaded hole and is in threaded connection with the lifting lug, so that the small weight can be lifted by a lifting appliance through a round hole in the top of the lifting lug and placed into a large weight.
The head of the T-shaped suspender is clamped inside the large weight, the tail of the T-shaped suspender is fixedly connected with the hanging ring through the locknut, and the end head of the tail is provided with a safety pin for preventing the locknut from loosening.
The hook is hung on the outer sides of the circumferential surfaces of the two adjacent large weights.
The large weights are orderly stacked on the trolley and conveyed by the trolley before the test.
The utility model has the advantages as follows:
the utility model has compact and reasonable structure and convenient operation, only the top big weight needs to be hoisted by the T-shaped suspender, the rest big weights are connected from the outside by the buckle-type hook, the loading and unloading are convenient, and the small weight is arranged in the mounting hole of the big weight to satisfy the weight required by the test, thereby greatly simplifying the weight type, facilitating the effective management and improving the matching efficiency of the weights; and the big weights are consistent in shape and size, are stacked in order and are carried by a trolley, so that time and labor are saved, the overall test speed is greatly improved, and the test cost is reduced.
The utility model discloses still include following advantage:
only two types of large weights and small weights are used, and the same types can be interchanged when the device is used;
the center hole on the large weight is an I-shaped structure with countersunk heads at two ends, and the countersunk heads at the end parts are used for accommodating the head part of the T-shaped suspender, so that the large weights are in planar contact when stacked or connected with each other, and are stable and reliable;
the lug plate is provided with a hook groove with a through hole structure, so that the hook can be conveniently clamped in, and the connection between adjacent large weights is more reliable.
Drawings
Fig. 1 is a schematic structural diagram (hook omitted) of the present invention.
Fig. 2 is the connection schematic diagram (front view) between the adjacent big weights and the hook and the small weights.
Fig. 3 is a schematic view (side view) of the connection between adjacent large weights and the hook of the present invention.
Fig. 4 is the schematic structural diagram of the large weight of the present invention.
Fig. 5 is a schematic structural view of the hook of the present invention.
Fig. 6 is a schematic structural view (top view) of the small weight of the present invention.
Fig. 7 is a schematic structural view of the small weight of the present invention (with a lifting lug, a side view).
Fig. 8 is a schematic view of the present invention in use.
Wherein: 1. a big weight; 101. a large weight body; 102. a central bore; 103. mounting holes; 104. an ear plate; 105. a hook groove; 106. a hanging rod; 2. a small weight; 201. a small weight body; 202. a protrusion; 203. a lug hole; 204. lifting lugs; 3. a T-shaped boom; 4. a locknut; 5. a shear pin; 6. a hoisting ring; 7. hooking; 701. a hook body; 702. a pin shaft; 703. a spring; 704. an anti-drop plate; 11. a ground anchor device; 12. a force increasing device; 13. a lower hook; 14. an upper hook; 15. a weight hook; 16. a ground anchor hook; 17. a pit; 18. a trolley; 19. a trolley track.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, 2 and 3, the combined weight for the electric hoist test of the embodiment includes a plurality of stacked large weights 1, two adjacent large weights 1 are connected by a hook 7, an inverted T-shaped suspender 3 is installed on the large weight 1 at the top, and a hanging ring 6 is installed at the tail of the T-shaped suspender 3; and the small weight 2 is matched with the large weight 1 for use.
As shown in fig. 4, the large weight 1 has the following structure: the large weight comprises a large weight body 101 with a circular cake-shaped structure, wherein the middle part of the large weight body is provided with an I-shaped central hole 102, and a T-shaped suspender 3 is hung on a step of the central hole 102; a plurality of mounting holes 103 for placing small weights 2 are formed in the large weight body 101 on the outer side of the central hole 102 along the circumferential direction, a plurality of lug plates 104 which are uniformly arranged are formed by inwards concave edges of two planes of the large weight body 101 on the outer side of the mounting holes 103, and the lug plates 104 are of a trapezoidal thin plate structure; a through hook groove 105 is formed in the middle of the ear plate 104, a hanging rod 106 is further formed at the edge of the ear plate 104, and the hanging rod 106 is hooked with the hook 7; the hook groove 105 is convenient for the hook clamping of the hook 7, so that the connection between the adjacent large weights 1 is more reliable.
The height of the countersunk structures at the two ends of the central hole 102 is greater than that of the head of the T-shaped suspender 3 to accommodate the head of the T-shaped suspender 3, so that the large weights 1 are in plane contact when stacked or connected with each other, and are stable and reliable.
As shown in fig. 5, the hook 7 has the following structure: the hook comprises a hook body 701 with hooks at two ends, wherein an anti-falling plate 704 is arranged on the hook body 701 close to one end of the hook through a pin shaft 702, and a spring 703 is arranged between the anti-falling plate 704 and the hook body 701; the retaining plate 704 rotates about the pin 702 with respect to the hook body 701, and the end of the retaining plate 704 that performs an arc motion is located inside the hook of the hook body 701.
As shown in fig. 6 and 7, the small weight 2 has the following structure: the small weight comprises a small weight body 201 with a cylindrical structure, wherein a bulge 202 extends downwards from the bottom of the small weight body, and the bulge 202 is matched and positioned with a large weight 1; the top of the small weight body 201 is provided with a lifting lug hole 203, the lifting lug hole 203 is a threaded hole and is in threaded connection with the lifting lug 204, so that the small weight 2 can be lifted and placed into the large weight 1 through a lifting tool for a round hole at the top of the lifting lug 204.
The head of the T-shaped suspender 3 is clamped inside the large weight 1, the tail of the T-shaped suspender is fixedly connected with the hanging ring 6 through the locknut 4, and the end head of the tail is provided with a safety pin 5 for preventing the locknut 4 from loosening.
The hook 7 is hung outside the circumferential surfaces of two adjacent large weights 1.
The test bed also comprises a trolley 18, and the large weights 1 are orderly stacked on the trolley 18 and conveyed by the trolley 18 before the test.
The utility model discloses a theory of operation does:
before the electric hoist test, stacking large weights 1 and small weights 2 slightly larger than the required number on a trolley 18, and conveying the large weights and the small weights to a test position of a pit 17 through a trolley track 19; the adjacent large weights 1 are connected from the outer side through the hooks 7, and the last large weight 1 connected with the weight component is separated from the hook 7 between the next large weight 1; hanging a hanging ring 6 at the tail part of a T-shaped suspender 3 arranged on the uppermost large weight 1 on a force increasing device 12; a lower lifting hook 13 at the bottom of the force increasing device 12 is connected with a ground anchor lifting hook 16 of the ground anchor device 11, an inverted upper lifting hook 14 extending out of the top of the force increasing device 12 is hooked with a lifting hook of the electric hoist, and a weight lifting hook 15 extending out of the side of the force increasing device 12 downwards is hung with a lifting ring 6; the ground anchor device 11 is fixedly arranged in the pit 17, as shown in figure 8;
then pushing the trolley 18 to push the rest large weights 1 and small weights 2 to other positions of the pit 17 which do not influence the test, and hoisting the electric hoist to start the load test;
after the test is completed, the carriage 18 is pushed out, and the composite weights are stacked on the carriage 18 and transported back to the storage.
The utility model discloses the principle of couple 7 and 1 joint of two adjacent big weights does: the hook body 701 is held, force is applied to the anti-falling plate 704 to enable the anti-falling plate to rotate around the pin shaft 702 at one end, the other end is far away from the hook tip of the hook body 701, and the spring 703 is compressed; hooking a hook at the lower part of the hook 7 with the hanging rod 106 of the large weight 1 positioned below, and synchronously hooking a hook at the upper part of the hook 7 with the corresponding hanging rod 106 of the large weight 1 positioned above; the anti-dropping plate 704 is released, and rotates under the action of the compression spring 703 and presses the hanging rod 106 of the upper large weight 1, so that the two large weights 1 are connected.
The utility model discloses retrench the weight specification greatly, reduced the work load when combination weight matches, it is laborsaving to save labour, has promoted work efficiency greatly.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (8)
1. The utility model provides a combination weight for electric block is experimental which characterized in that: the lifting device comprises a plurality of stacked large weights (1), two adjacent large weights (1) are connected through a hook (7), an inverted T-shaped suspender (3) is installed on the large weight (1) at the top, and a lifting ring (6) is installed at the tail of the T-shaped suspender (3); the weight-adjustable balance weight is characterized by also comprising a small weight (2) matched with the large weight (1).
2. The combination weight for the electric block test as claimed in claim 1, wherein: the structure of the large weight (1) is as follows: the large weight comprises a large weight body (101) with a circular cake-shaped structure, wherein an I-shaped central hole (102) is formed in the middle of the large weight body, and a T-shaped suspender (3) is hung on a step of the central hole (102); a plurality of mounting holes (103) for placing small weights (2) are formed in the large weight body (101) positioned on the outer side of the central hole (102) along the circumferential direction, a plurality of lug plates (104) which are uniformly arranged are formed by inwards concave two plane edges of the large weight body (101) positioned on the outer side of the mounting holes (103), and the lug plates (104) are of a trapezoidal thin plate structure; the middle part of the ear plate (104) is provided with a through hook groove (105), and then a hanging rod (106) is formed at the edge of the ear plate (104), and the hanging rod (106) is hooked with the hook (7).
3. The combination weight for the electric block test as claimed in claim 2, wherein: the height of the countersunk head structures at the two ends of the central hole (102) is greater than that of the head of the T-shaped suspender (3).
4. The combination weight for the electric block test as claimed in claim 1, wherein: the hook (7) is structurally characterized in that: the hook comprises a hook body (701) with hooks at two ends, wherein an anti-falling plate (704) is arranged on the hook body (701) close to one end of the hook through a pin shaft (702), and a spring (703) is arranged between the anti-falling plate (704) and the hook body (701); the anti-falling plate (704) rotates relative to the hook body (701) by taking the pin shaft (702) as a center, and the end part of the anti-falling plate (704) which does circular arc motion is positioned in the hook of the hook body (701).
5. The combination weight for the electric block test as claimed in claim 1, wherein: the structure of the small weight (2) is as follows: the small weight comprises a small weight body (201) with a cylindrical structure, wherein a bulge (202) extends downwards from the bottom of the small weight body, and the bulge (202) is matched and positioned with a large weight (1); the top of the small weight body (201) is provided with a lug hole (203), the lug hole (203) is a threaded hole and is in threaded connection with the lug (204), so that the small weight (2) can be lifted and placed into the large weight (1) through a lifting appliance through the round hole in the top of the lug (204).
6. The combination weight for the electric block test as claimed in claim 1, wherein: the head of the T-shaped suspender (3) is clamped inside the large weight (1), the tail of the T-shaped suspender is fixedly connected with the hanging ring (6) through the locknut (4), and the tail end of the T-shaped suspender is provided with a safety pin (5) for preventing the locknut (4) from loosening.
7. The combination weight for the electric block test as claimed in claim 1, wherein: the hook (7) is connected to the outer sides of the circumferential surfaces of the two adjacent large weights (1) in a hanging mode.
8. The combination weight for the electric block test as claimed in claim 1, wherein: the large weight (1) is orderly stacked on the trolley (18) before the test and is conveyed by the trolley (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930783.1U CN210037239U (en) | 2019-06-19 | 2019-06-19 | Combined weight for electric hoist test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930783.1U CN210037239U (en) | 2019-06-19 | 2019-06-19 | Combined weight for electric hoist test |
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| Publication Number | Publication Date |
|---|---|
| CN210037239U true CN210037239U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920930783.1U Active CN210037239U (en) | 2019-06-19 | 2019-06-19 | Combined weight for electric hoist test |
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| CN (1) | CN210037239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959548A (en) * | 2021-10-23 | 2022-01-21 | 齐齐哈尔市检验检测中心(黑龙江省特殊钢及制品质量监督检验中心) | Stable big weight square weight of pile up neatly |
-
2019
- 2019-06-19 CN CN201920930783.1U patent/CN210037239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959548A (en) * | 2021-10-23 | 2022-01-21 | 齐齐哈尔市检验检测中心(黑龙江省特殊钢及制品质量监督检验中心) | Stable big weight square weight of pile up neatly |
| CN113959548B (en) * | 2021-10-23 | 2024-03-15 | 齐齐哈尔市检验检测中心(黑龙江省特殊钢及制品质量监督检验中心) | Stable large-weight square weight of pile up neatly |
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