CN220011907U

CN220011907U - Moment limiter

Info

Publication number: CN220011907U
Application number: CN202320903835.2U
Authority: CN
Inventors: 秦道远; 熊云飞
Original assignee: Yichang Jiangsan Technology Development Co ltd
Current assignee: Yichang Jiangsan Technology Development Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-11-14
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses a moment limiter, which comprises a moment limiter body, wherein an explosion-proof case capable of carrying out explosion prevention is arranged outside the moment limiter body, the moment limiter body is arranged inside the explosion-proof case, the moment limiter body comprises a moment limiter main body, a display screen and a first connecting end, the display screen is fixed on the front surface of the moment limiter main body, the first connecting end is fixed on the lower end surface of the moment limiter main body, and fixing assemblies capable of being fixed inside the explosion-proof case are arranged on the left side and the right side of the moment limiter main body. The utility model meets the explosion-proof requirement by adopting the explosion-proof case, and can be used for comprehensive monitoring under complex working conditions and severe conditions.

Description

Moment limiter

Technical Field

The utility model relates to the technical field of moment limiters, in particular to a moment limiter.

Background

The moment limiter can be used for detecting the mechanical equipment of the weight and the angle of the crane arm of various cranes, for example: mechanical equipment such as an automobile crane, a tire crane, a railway track crane, a crawler crane, a tower crane, a portal crane, an overhead working truck and the like.

Chinese patent 202023140936.4 discloses a moment limiter comprising: the shell is a moment limiter shell; the ventilation dustproof device is used for ventilating and radiating the moment limiter and is connected with the shell; dust collector, dust collector is used for getting rid of the dust that ventilation dust keeper dropped, dust collector is connected with ventilation dust keeper, and this moment limiter can improve the heat dispersion of moment limiter through ventilation dust keeper, can isolate the dust in the air simultaneously, avoids the interior components and parts surface dust of moment controller, improves components and parts heat dispersion and ventilation dust keeper in the dust removal net can convenient dismantlement, and convenient clearance prevents that dust removal net from blockking up and influencing the heat dissipation, and dust collector can get rid of the dust of scattering in the casing when taking off the dust removal net, further promotes the radiating effect. The moment limiter cannot meet the explosion-proof requirement and cannot be used for comprehensive monitoring under complex working conditions and severe conditions, so the moment limiter is provided for solving the problems.

Disclosure of Invention

Object of the utility model

In order to solve the technical problems in the background technology, the utility model provides a moment limiter which meets the explosion-proof requirement by adopting an explosion-proof case and can be used for comprehensive monitoring under complex working conditions and severe conditions.

(II) technical scheme

The utility model provides a moment limiter, which comprises a moment limiter body, wherein an explosion-proof case capable of carrying out explosion prevention is arranged outside the moment limiter body, the moment limiter body is arranged inside the explosion-proof case, the moment limiter body comprises a moment limiter main body, a display screen and a first connecting end, the display screen is fixed on the front surface of the moment limiter main body, the first connecting end is fixed on the lower end surface of the moment limiter main body, and fixing assemblies capable of being fixed inside the explosion-proof case are arranged on the left side and the right side of the moment limiter main body.

Preferably, the explosion-proof machine case includes explosion-proof machine case box, case apron and second link, the opening direction of explosion-proof machine case box is openly, the case lid board articulated in the front of explosion-proof machine case box, the area of case lid board is greater than explosion-proof machine case box open-ended area, the quantity of second link is a plurality of and the equidistance is fixed in on the lower terminal surface of explosion-proof machine case box, the front of case lid board is equipped with alarm component and switch module, two liang of a set of quantity of installation component, two sets of installation component interval install in on the upper and lower both ends face of explosion-proof machine case box.

Preferably, the switch assembly comprises a switch lock and a handle, wherein the switch lock is fixed at the right end of the front surface of the box cover plate and can be inserted with a switch key, and the handle is fixed at the left end of the front surface of the box cover plate.

Preferably, the alarm assembly comprises a power lamp, an alarm lamp and a buzzer alarm, wherein the power lamp, the alarm lamp and the buzzer alarm are sequentially fixed on the front surface of the box cover plate from left to right, and the intervals between the power lamp, the alarm lamp, the buzzer alarm and the switch lock are identical.

Preferably, the mounting assembly comprises a second mounting plate and a second mounting hole, one end of the second mounting plate is fixed with the case body of the explosion-proof case, and the second mounting hole penetrates through the second mounting plate from front to back.

Preferably, the fixing assembly comprises a first mounting hole and a first mounting plate, the number of the first mounting plates is two, the first mounting plates are fixed on the left side and the right side of the moment limiter main body, and the first mounting holes penetrate through the first mounting plates from front to back.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: the moment limiter adopts an explosion-proof machine case, meets the explosion-proof requirement, and can be used for comprehensive monitoring under complex working conditions and severe conditions.

Drawings

Fig. 1 is a schematic structural diagram of a torque limiter body in a torque limiter according to the present utility model.

Fig. 2 is a left side view of a torque limiter body in a torque limiter according to the present utility model.

Fig. 3 is a three-dimensional schematic diagram of a torque limiter body in a torque limiter according to the present utility model.

Fig. 4 is a three-dimensional schematic diagram of an explosion-proof enclosure in a moment limiter according to the present utility model.

Reference numerals: 1. a torque limiter body; 2. a display screen; 3. a first mounting hole; 4. a first mounting plate; 5. a first connection end; 6. the explosion-proof machine box body; 7. a case cover plate; 8. a handle; 9. a power lamp; 10. an alarm lamp; 11. a buzzer alarm; 12. a second connection end; 13. a switch lock; 14. a second mounting hole; 15. and a second mounting 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 torque limiter provided by the utility model comprises a torque limiter body, an explosion-proof case capable of being subjected to explosion prevention is arranged outside the torque limiter body, the torque limiter body is arranged inside the explosion-proof case, the torque limiter body comprises a torque limiter main body 1, a display screen 2 and a first connecting end 5, the display screen 2 is fixed on the front surface of the torque limiter main body 1, the first connecting end 5 is fixed on the lower end surface of the torque limiter main body 1, and fixing components capable of being fixed inside the explosion-proof case are arranged on the left side and the right side of the torque limiter main body 1.

According to the utility model, the moment limiter body is arranged in the explosion-proof case through the screw, and the signal and the power control line are connected with the PLC through the first connecting end 5, so that the on-site debugging and overhaul are facilitated; the display screen 2 is a touch display screen, and can display the actual lifting capacity, rated lifting capacity, lifting height, working amplitude, boom angle, load rate and other operation parameters of the crane under different working conditions such as a main hook/auxiliary hook, a lifting hook/grab bucket and the like; the display screen 2 is a Chinese and English display interface, has an operation prompt function, is simple and convenient to debug, has overvoltage and short-circuit protection functions in hardware, and is stable in system operation and convenient to maintain and use; when the load cell is connected to display and monitor the actual lifting capacity, the angle sensor is connected to display and monitor the working amplitude or the boom angle signal, and the photoelectric encoder or the length measuring instrument is also connected to display and monitor the lifting height, the boom length and the like. By adopting the explosion-proof case, the explosion-proof requirement is met, and the system can be used for comprehensive monitoring under complex working conditions and severe conditions.

In an alternative embodiment, the explosion-proof case includes explosion-proof case box 6, case lid board 7 and second link 12, the opening direction of explosion-proof case box 6 is openly, case lid board 7 articulates in the front of explosion-proof case box 6, the area of case lid board 7 is greater than the open area of explosion-proof case box 6, the quantity of second link 12 is a plurality of and the equidistance is fixed in on the lower terminal surface of explosion-proof case box 6, the front of case lid board 7 is equipped with alarm subassembly and switch module, the quantity of installation component is two liang of, two sets of installation component interval installation are on the upper and lower both ends face of explosion-proof case box 6.

The anti-explosion case has the advantages of modularized structure, distributed configuration, high cost performance, strong electromagnetic compatibility and good shock resistance.

In an alternative embodiment, the switch assembly comprises a switch lock 13 and a handle 8, the switch lock 13 being fixed to the right end of the front face of the case cover 7 and a switch key being insertable, the handle 8 being fixed to the left end of the front face of the case cover 7.

It should be noted that, by inserting the key into the key hole of the switch lock 13, turning the key, and then pulling the handle 8, the case cover 7 can be rotated on the front surface of the explosion-proof case 6, so that the opening of the explosion-proof case 6 can be revealed, and the torque limiter body inside the explosion-proof case can be operated; when the handle 8 is pushed, the box cover plate 7 is attached to the front surface of the explosion-proof box body 6, and then the key is rotated anticlockwise, so that the explosion-proof box body 6 and the box cover plate 7 are fixed through the switch lock 13, and the key can be pulled out of the switch lock 13.

In an alternative embodiment, the alarm assembly includes a power lamp 9, an alarm lamp 10 and a buzzer alarm 11, where the power lamp 9, the alarm lamp 10 and the buzzer alarm 11 are sequentially fixed to the front surface of the box cover 7 from left to right, and the intervals among the power lamp 9, the alarm lamp 10, the buzzer alarm 11 and the switch lock 13 are the same.

When the lifting capacity of the moment limiter reaches 90% and 100% of the rated value, and the moment limiter is overloaded (105% -110%), the moment limiter gives an audible and visual alarm and outputs an overload control signal; when the amplitude of the amplitude exceeds the limit, the audible and visual alarm is given and an amplitude control signal is output.

In an alternative embodiment, the mounting assembly includes a second mounting plate 15 and a second mounting hole 14, one end of the second mounting plate 15 is fixed to the explosion-proof housing 6, and the second mounting hole 14 penetrates through the second mounting plate 15 from front to back.

When the explosion-proof housing is to be mounted at a place where the fixing is to be performed, the explosion-proof housing can be fixed at a place where the fixing is to be performed by inserting screws through the second mounting holes 14.

In an alternative embodiment, the fixing assembly includes a first mounting hole 3 and a first mounting plate 4, the number of the first mounting plates 4 is two and fixed to the left and right sides of the torque limiter body 1, and the first mounting hole 3 penetrates through the first mounting plate 4 from front to back.

When the explosion-proof case needs to be fixed to the torque limiter body, the torque limiter body 1 and the inner wall of the explosion-proof case 6 can be fixed by penetrating screws through the first mounting holes 3.

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

1. The utility model provides a moment limiter, its characterized in that includes moment limiter body, the outside of moment limiter body is equipped with the explosion-proof quick-witted case that can carry out explosion-proof, the moment limiter body install in the inside of explosion-proof machine case, the moment limiter body includes moment limiter main part (1), display screen (2) and first link (5), display screen (2) are fixed in the front of moment limiter main part (1), first link (5) are fixed in on the lower terminal surface of moment limiter main part (1), the left and right sides of moment limiter main part (1) all are equipped with can be fixed in the inside fixed subassembly of explosion-proof machine case.

2. The moment limiter according to claim 1, wherein the explosion-proof case comprises an explosion-proof case body (6), a case cover plate (7) and second connecting ends (12), the opening direction of the explosion-proof case body (6) is positive, the case cover plate (7) is hinged to the front of the explosion-proof case body (6), the area of the case cover plate (7) is larger than that of the opening of the explosion-proof case body (6), the number of the second connecting ends (12) is multiple and is fixed on the lower end face of the explosion-proof case body (6) at equal intervals, alarm components and switch components are arranged on the front of the case cover plate (7), the number of the mounting components is two by two, and two groups of the mounting components are mounted on the upper end face and the lower end face of the explosion-proof case body (6) at intervals.

3. A moment limiter according to claim 2, characterized in that the switch assembly comprises a switch lock (13) and a handle (8), the switch lock (13) being fixed to the right end of the front face of the cover plate (7) and being insertable with a switch key, the handle (8) being fixed to the left end of the front face of the cover plate (7).

4. A moment limiter according to claim 3, characterized in that the alarm assembly comprises a power source lamp (9), an alarm lamp (10) and a buzzer alarm (11), the power source lamp (9), the alarm lamp (10) and the buzzer alarm (11) are fixed to the front face of the case cover plate (7) in sequence from left to right, and the intervals between the power source lamp (9), the alarm lamp (10), the buzzer alarm (11) and the switch lock (13) are the same.

5. A moment limiter according to claim 2, wherein the mounting assembly comprises a second mounting plate (15) and a second mounting hole (14), one end of the second mounting plate (15) is fixed to the explosion-proof housing (6), and the second mounting hole (14) extends through the second mounting plate (15) from front to back.

6. A moment limiter according to claim 1, wherein the fixing assembly comprises a first mounting hole (3) and a first mounting plate (4), the number of the first mounting plates (4) is two and the first mounting holes (3) are fixed on the left and right sides of the moment limiter main body (1), and the first mounting holes (3) penetrate through the first mounting plate (4) from front to back.