CN220011908U - Explosion-proof lifting capacity limiter - Google Patents
Explosion-proof lifting capacity limiter Download PDFInfo
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- CN220011908U CN220011908U CN202320903844.1U CN202320903844U CN220011908U CN 220011908 U CN220011908 U CN 220011908U CN 202320903844 U CN202320903844 U CN 202320903844U CN 220011908 U CN220011908 U CN 220011908U
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- limiter
- lifting
- explosion
- protection
- protection box
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 39
- 239000011521 glass Substances 0.000 claims description 11
- 238000004880 explosion Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 241001233242 Lontra Species 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses an explosion-proof lifting weight limiter, which comprises a protection box for protecting the lifting weight limiter, wherein the lifting weight limiter is arranged in the protection box, the lifting weight limiter comprises a lifting weight limiter main body, a prompting lamp, a display screen and a control button, the rear side of the lifting weight limiter main body is attached to the inner wall of the protection box, the display screen, the prompting lamp and the control button are sequentially arranged on the front surface of the lifting weight limiter main body downwards, a cable lock head is arranged at the bottom of the lifting weight limiter main body, and the left side and the right side of the lifting weight limiter main body are connected with the inner wall of the protection box through a mounting mechanism. According to the utility model, the weight limiter can be effectively protected through the protection box for protecting the weight limiter, so that the lifting weight limiter meets the explosion-proof requirement, and the protection box can be used for comprehensive monitoring under complex working conditions and severe conditions.
Description
Technical Field
The utility model relates to the technical field of lifting capacity limiter protection, in particular to an explosion-proof lifting capacity limiter.
Background
The lifting limiter is a lifting mechanical safety protection device and is specially used for single-beam and double-beam type cranes of electric hoists of various types and specifications, the device has the functions of acoustic alarm, immediate alarm, cutting off the loop of a lifting motor of the crane, displaying the weight of a lifting weight and the like, and can avoid equipment and personal accidents caused by overload of lifting equipment, so that the lifting mechanical safety protection device has extremely important significance for modern safety production in industries such as metallurgy, machinery, mines, railways, wharfs, warehouses and the like.
Chinese patent 201921666217.0 discloses a high lifting capacity limiter of security, including installation mechanism, casing, circuit board and access cover, the top of casing is fixed with installation mechanism, and the central point of casing one side puts and is fixed with liquid crystal display, the both ends of casing all are fixed with the heat dissipation cover, and the both ends of casing bottom all are provided with the connector lug, the central point of casing bottom puts and is fixed with buzzer siren, and the both ends of casing opposite side all are provided with the access cover, all be provided with solar cell panel on the access cover, the inside central point of casing puts and is provided with the cavity, be fixed with central processing module on the circuit board, the inside other end of cavity is fixed with the battery. According to the utility model, the shell, the mounting mechanism, the first lifting hook, the second lifting hook, the first gear, the second gear, the connecting rod and the electric telescopic rod are arranged, so that the safety of the device mounting is improved, the device is not easy to loosen, and meanwhile, the structure is simple, and the control is facilitated. However, the lifting weight limiter cannot meet the requirement of explosion prevention, cannot be used for comprehensive monitoring under complex working conditions and severe conditions, and can be used for comprehensive monitoring under complex working conditions and severe conditions in order to enable the lifting weight limiter to meet the requirement of explosion prevention, so that the anti-explosion lifting weight limiter is provided to solve the problems.
Disclosure of Invention
Object of the utility model
In order to solve the technical problems in the background art, the utility model provides the explosion-proof lifting limiter, which can effectively protect the weight limiter through the protection box, so that the lifting limiter meets the explosion-proof requirement, and can be used for comprehensive monitoring under complex working conditions and severe conditions.
(II) technical scheme
The utility model provides an explosion-proof lifting weight limiter, which comprises a protection box for protecting the lifting weight limiter, wherein the lifting weight limiter is arranged in the protection box, the lifting weight limiter comprises a lifting weight limiter main body, a prompting lamp, a display screen and a control button, the rear side of the lifting weight limiter main body is attached to the inner wall of the protection box, the display screen, the prompting lamp and the control button are sequentially and downwards arranged on the front surface of the lifting weight limiter main body, a cable lock head is arranged at the bottom of the lifting weight limiter main body, and the left side and the right side of the lifting weight limiter main body are connected with the inner wall of the protection box through a mounting mechanism.
Preferably, the protection box comprises a protection shell, a protection cover and a handle, wherein the opening direction of the protection shell is the front, the protection cover is hinged to the front of the protection shell, the handle is fixed to the left end of the front of the protection cover, and the surface area of the protection cover is larger than that of the opening of the protection shell.
Preferably, the protective cover further comprises transparent glass, wherein the transparent glass is fixed in the through hole on the front face of the protective cover, and the transparent glass is matched with the display screen, the prompting lamp and the control button in position.
Preferably, the mounting mechanism comprises an alignment assembly and a connection assembly, the alignment assembly comprises a limiting block and an alignment plate, the alignment plates are all fixed on the left end face and the right end face of the lifting limiter main body, the limiting block is all fixed on the inner walls on the left side and the right side of the protective shell, one side, far away from the lifting limiter main body, of the alignment plate is provided with the alignment assembly for alignment with the limiting block, and the connection assembly penetrates through the alignment plate and is fixed with the inner wall on the rear side of the protective shell.
Preferably, the connecting assembly comprises mounting holes and connecting screws, the number of the mounting holes is two by two, the mounting holes are two by two respectively penetrating through the alignment plates on the left side and the right side, and the connecting screws penetrate through the alignment plates through the mounting holes and are fixed with the inner wall on the rear side of the protective shell.
Preferably, the left and right side walls of the protective shell are provided with holes, a dustproof screen plate is fixed in the holes, and the lower side wall of the protective shell is provided with a wire guide hole for facilitating the penetration of wires.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: the explosion-proof lifting weight limiter can effectively protect the weight limiter through the protection box for protecting the weight limiter, so that the lifting weight limiter meets the explosion-proof requirement, and the explosion-proof lifting weight limiter can be used for comprehensive monitoring under complex working conditions and severe conditions.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof lifting limiter according to the present utility model.
Fig. 2 is a three-dimensional schematic view of a lifting limiter in an explosion-proof lifting limiter according to the present utility model.
Fig. 3 is a three-dimensional schematic diagram of an explosion-proof lifting limiter according to the present utility model.
Fig. 4 is a front view of an explosion proof load limiter according to the present utility model.
Fig. 5 is a three-dimensional schematic view of a threaded hollow post in an explosion proof load limiter according to the present utility model.
Reference numerals: 1. a protective housing; 2. a protective cover; 3. a handle; 4. transparent glass; 5. a dust-proof screen; 6. a lifting limiter body; 7. a connecting screw; 8. a limiting block; 9. a cable lock; 10. a warning light; 11. a display screen; 12. a control button; 13. a mounting hole; 14. and (5) aligning the plate.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, welded, riveted, bonded, etc., or may be a removable connection, threaded connection, keyed connection, pinned connection, etc., or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-4, the explosion-proof lifting limiter provided by the utility model comprises a protection box for protecting the lifting limiter, wherein the lifting limiter is arranged in the protection box, the lifting limiter comprises a lifting limiter main body 6, a prompting lamp 10, a display screen 11 and a control button 12, the rear side of the lifting limiter main body 6 is attached to the inner wall of the protection box, the display screen 11, the prompting lamp 10 and the control button 12 are sequentially arranged on the front surface of the lifting limiter main body 6 downwards, a cable lock 9 is arranged at the bottom of the lifting limiter main body 6, and the left side and the right side of the lifting limiter main body 6 are connected with the inner wall of the protection box through a mounting mechanism.
In the utility model, the weight limiter is fixed in the protection box through the mounting mechanism, so that the weight limiter can be protected; the cable lock 9 at the bottom of the weight limiter is connected with a weight sensor through a wire, and when a hoisting machine lifts a weight, the weight sensor senses a weight signal; the display screen 11 adopts a red LED digital display, so that various parameters can be clearly displayed no matter in the daytime or at night; the weight limiter mainly comprises a load cell and a host, when the crane works normally, the host can display the actual lifting weight, the rated lifting weight and the load rate, and when the crane is overloaded, the host automatically gives an audible and visual alarm and cuts off the power supply of a lifting loop of a crane motor to monitor the safe running of the lifting equipment; the weight limiter is suitable for overload limiting protection of crane equipment such as door machines, bridge type, tower cranes, travelling cranes and electric hoists in various industries such as mines, ports, water conservancy, metallurgy, chemical industry, construction sites and the like.
In an alternative embodiment, the protection box includes protective housing 1, protective cover 2 and handle 3, and protective housing 1's opening direction is openly, and protective cover 2 articulates in protective housing 1's openly, and handle 3 is fixed in protective cover 2 positive left end, and protective cover 2's surface area is greater than protective housing 1 open-ended surface area, and the trompil has all been seted up to protective housing 1's left and right sides wall, and the inside of trompil is fixed with dustproof otter board 5, and the wire guide that is convenient for the wire runs through has been seted up to protective housing 1's lower lateral wall.
The wire enters the inside of the protective shell 1 through the wire hole and is connected with the wire through a cable lock 9 arranged at the bottom of the lifting limiter main body 6; when the weight limiter is installed, the weight limiter enters the inside of the protective shell 1 through the opening formed in the front surface of the protective shell 1, and then the protective shell 1 and the weight limiter are fixed through the installation mechanism, so that the weight limiter can be fixed in the protective box; and can dispel the heat through dustproof otter board 5 to dustproof otter board 5 possesses dustproof function.
In an alternative embodiment, the display device further comprises transparent glass 4, wherein the transparent glass 4 is fixed in a through hole on the front surface of the protective cover 2, and the transparent glass 4 is matched with the display screen 11, the indicator light 10 and the control buttons 12 in position.
The display condition of the display screen 11 on the weight limiter in the protective housing 1 can be observed from the outside through the transparent glass 4, and when a problem occurs, the protective cover 2 can be opened, and the weight limiter can be adjusted through the control button 12.
In an alternative embodiment, the mounting mechanism includes an alignment assembly and a connection assembly, the alignment assembly includes a limiting block 8 and an alignment plate 14, the alignment plate 14 is fixed on both left and right end surfaces of the lifting limiter main body 6, the limiting block 8 is fixed on the inner walls of both left and right sides of the protective housing 1, an alignment groove aligned with the limiting block 8 is provided on one side of the alignment plate 14 away from the lifting limiter main body 6, the connection assembly penetrates through the alignment plate 14 and is fixed with the inner wall of the rear side of the protective housing 1, the connection assembly includes mounting holes 13 and connection screws 7, the number of the mounting holes 13 is two by two, the two groups of mounting holes 13 respectively penetrate through the alignment plates 14 of both left and right sides, and the connection screws 7 penetrate through the alignment plate 14 through the mounting holes 13 and are fixed with the inner wall of the rear side of the protective housing 1.
When the weight limiter needs to be fixed, the weight limiter is first placed inside the protective housing 1, and then the alignment groove of the alignment plate 14 is aligned with the stopper 8, and when the rear side of the lifting weight limiter body 6 contacts the inner wall of the protective housing 1, the connecting screw 7 can be inserted into the mounting hole 13 and fixed to the threaded hollow column of the inner wall of the rear side of the protective housing 1, thereby fixing the weight limiter.
The upper part of the threaded hollow column is provided with a threaded hole, and the threaded hole is in threaded connection with the connecting screw 7; and when the weight limiter is fixed on the equipment, the matched fixing device is arranged on the outer surface of the protection box, and the protection box is fixed through the matched fixing device.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (6)
1. The utility model provides an explosion-proof lifting capacity limiter, its characterized in that, is including the protection box that is used for carrying out the protection to the weight limiter, the weight limiter is installed the inside of protection box, the weight limiter includes lifting capacity limiter main part (6), warning light (10), display screen (11) and control button (12), the rear side of lifting capacity limiter main part (6) with the protection box inner wall laminating mutually, display screen (11) warning light (10) and control button (12) are installed down in proper order the front of lifting capacity limiter main part (6), the bottom of lifting capacity limiter main part (6) is equipped with cable lock head (9), the left and right sides of lifting capacity limiter main part (6) with be connected through installation mechanism between the protection box inner wall.
2. An explosion proof weight limiter according to claim 1, wherein the protection box comprises a protection casing (1), a protection cover (2) and a handle (3), the opening direction of the protection casing (1) is the front, the protection cover (2) is hinged to the front of the protection casing (1), the handle (3) is fixed to the left end of the front of the protection cover (2), and the surface area of the protection cover (2) is larger than the surface area of the opening of the protection casing (1).
3. An explosion proof weight limiter according to claim 2, further comprising a transparent glass (4), wherein the transparent glass (4) is fixed in a through hole on the front surface of the protective cover (2), and the transparent glass (4) is matched with the display screen (11), the indicator light (10) and the control button (12) in position.
4. An explosion-proof lifting limiter according to claim 2, wherein the mounting mechanism comprises an alignment assembly and a connecting assembly, the alignment assembly comprises a limiting block (8) and an alignment plate (14), the alignment plates (14) are respectively fixed on the left end face and the right end face of the lifting limiter main body (6), the limiting block (8) is respectively fixed on the inner walls of the left side and the right side of the protective casing (1), an alignment groove for aligning with the limiting block (8) is formed in one side, away from the lifting limiter main body (6), of the alignment plate (14), and the connecting assembly penetrates through the alignment plate (14) and is fixed with the inner wall of the rear side of the protective casing (1).
5. The explosion-proof lifting limiter according to claim 4, wherein the connecting assembly comprises mounting holes (13) and connecting screws (7), the number of the mounting holes (13) is two by two, two groups of the mounting holes (13) respectively penetrate through alignment plates (14) on the left side and the right side, and the connecting screws (7) penetrate through the alignment plates (14) through the mounting holes (13) and are fixed with the inner wall on the rear side of the protective shell (1).
6. An explosion-proof lifting limiter according to claim 2, wherein openings are formed in both the left and right side walls of the protective housing (1), a dust screen (5) is fixed in the openings, and a wire guide hole for facilitating the penetration of a wire is formed in the lower side wall of the protective housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903844.1U CN220011908U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof lifting capacity limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903844.1U CN220011908U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof lifting capacity limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220011908U true CN220011908U (en) | 2023-11-14 |
Family
ID=88679713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320903844.1U Active CN220011908U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof lifting capacity limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220011908U (en) |
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2023
- 2023-04-21 CN CN202320903844.1U patent/CN220011908U/en active Active
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