CN116177394A

CN116177394A - Intelligent detection device for lifting capacity of load-free crane with high safety

Info

Publication number: CN116177394A
Application number: CN202211151179.1A
Authority: CN
Inventors: 姚国龙; 吴洽雄; 程林; 田春秋; 乔伟; 施云操; 王远琼; 王康
Original assignee: Wuhan Qieyan Technology Co ltd
Current assignee: Wuhan Qieyan Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-05-30

Abstract

The invention relates to the technical field of crane detection, and discloses an intelligent detection device for the lifting capacity of a non-load crane with high safety. This strong no heavy burden hoist lifting capacity intelligent detection device of security installs the limiting plate through the below at two spacing crossbeams to set up the penetration that the empty slot is used for the connecting rod in the inside of limiting plate, will run through the connecting rod and the inner tube body of empty slot part simultaneously and carry out threaded connection, peg graft outer barrel and inner tube body in the outside of inner tube body and run through connection outer barrel and inner tube body through the pressure bearing pin, pressure sensor passes through sensor fixing base and inner tube body threaded connection this moment, and because the empty slot that the outer barrel can't pass through the inside seting up of limiting plate, can make pressure sensor bear the spacing of pressure bearing pin and can't upwards move when the traction force.

Description

Intelligent detection device for lifting capacity of load-free crane with high safety

Technical Field

The invention relates to the technical field of crane detection, in particular to an intelligent detection device for the lifting capacity of a load-free crane with high safety.

Background

The hoisting machinery is widely applied to industrial and mining enterprises, ports and wharfs, station warehouses, construction sites, ocean development, aerospace and other industrial departments, so that the hoisting machinery is used in all aspects of land, ocean, air, civil use and military use, the hoisting machinery is one of the objects for carrying out important inspection (monitoring) as special equipment, and how to effectively monitor and evaluate the health state of the hoisting machinery for a long time and timely discover and eliminate potential safety hazards is one of the problems to be solved in the supervision department and the use unit.

The existing crane load bearing detection mode directly tests the efficiency of the crane by lifting the same weight, and the problems of time and labor waste, low precision, low efficiency, high labor intensity and the like exist in the mode of lifting weights, and the potential safety hazard of the measurement mode of suspending weights of tens of tons is extremely high, so that the crane load bearing detection mode is often used in an overload mode when the crane is used, on one hand, the metal structure of the crane can be damaged, on the other hand, a plurality of safety accidents such as wire rope breakage and rope head loosening and the like are caused by overload, and extremely serious harm is caused to safety production, so that the intelligent detection device for the lifting capacity of the load-free crane with high safety is provided to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides the intelligent detection device for the lifting capacity of the non-load crane, which has the advantages of no load, high efficiency, safety and the like and solves the problem of load test.

(II) technical scheme

In order to achieve the purpose of no load and high efficiency and safety, the invention provides the following technical scheme: the utility model provides a strong no heavy burden hoist lifting capacity intelligent detection device of security, includes the installing frame, the top fixed mounting of installing frame has the spandrel girder, the inside fixed mounting of spandrel girder has the hoist, the bottom fixed mounting of hoist has the lifting hook, the outside fixed mounting of installing frame has spacing crossbeam, the limiting plate is installed to the bottom screw thread of spacing crossbeam, the bottom fixed mounting of limiting plate has outer barrel, peg graft in the inside of outer barrel has the inner tube, peg graft in the inner wall of outer barrel has the pressure-bearing pin, peg graft in the inside of inner tube has pressure sensor, the bottom threaded connection of inner tube has the sensor fixing base, the top threaded mounting of inner tube has the connecting rod, the top fixed mounting of connecting rod has the hanging ring, hoist and hoist electrical cabinet signal connection, pressure sensor signal connection is in handheld controller, hoist electrical cabinet electric connection is in the load trigger.

As a still further scheme of the invention, the inner wall of the inner cylinder body is provided with a through groove, and the pressure-bearing pin is connected with the outer cylinder body and the inner cylinder body in a penetrating way, and the shape of the through groove is matched with the pressure-bearing pin.

As a still further scheme of the invention, the top of the pressure-bearing pin is provided with a limit hole, the top of the inner cylinder body is provided with a limit through groove, and limit pins are inserted into the limit through groove and the limit hole.

As a still further proposal of the invention, the inner center of the limiting plate is provided with a hollow groove, and the shape of the hollow groove is matched with the connecting rod.

As a still further proposal of the invention, the hand-held controller is connected with a crane electrical cabinet by signals, and the crane electrical cabinet is electrically connected with the crane.

As a still further scheme of the invention, the lifting hook is movably connected with the hanging ring, the number of the limiting beams is two, and the top of the pressure sensor is movably connected with the bottom of the pressure bearing pin.

(III) beneficial effects

Compared with the prior art, the invention provides the intelligent detection device for the lifting capacity of the non-load crane, which has the following beneficial effects:

1. this strong no heavy burden hoist lifting capacity intelligent detection device of security installs the limiting plate through the below at two spacing crossbeams to set up the penetration that the blank slot is used for the connecting rod in the inside of limiting plate, carry out threaded connection with connecting rod and the inner tube body that will run through the blank slot part simultaneously, peg graft outer barrel and inner tube body in the outside of inner tube body and run through connection outer barrel and inner tube body through the pressure bearing pin, pressure sensor passes through sensor fixing base and inner tube body threaded connection this moment, and because the blank slot that the outer barrel can't be seted up through the limiting plate inside, can make pressure sensor bear the spacing of traction force and can't upwards move by the pressure bearing pin, consequently, the accessible hoist cooperates the lifting hook to apply pulling force to hanging the ring and carry out pressure data through pressure sensor, need not to adopt traditional mode and carry out the mode of lifting the object of equal weight through hoist cooperation lifting hook and test pulling force value upper limit.

2. This strong no heavy burden hoist lifting capacity intelligent detection device of security is through being connected the relay of load trigger and the control circuit of hoist electrical cabinet, after the hoist lifting hook reaches rated load's the default percentage value, the hoist if because self overrun device is malfunctioning, can continue to promote, can cause the incident very easily, and handheld controller can be through the stress value of real-time supervision, whether surpass the safety limit value of predetermineeing automatically, can be through the load trigger to hoist control system transmission stop signal, the load trigger stops hoist hoisting mechanism through the relay on the control circuit of control hoist, prevent to continue to promote and cause the accident.

Drawings

FIG. 1 is a schematic diagram of a strong-safety intelligent detection device for the lifting capacity of a non-load crane;

FIG. 2 is a structural explosion diagram of the intelligent detection device for the lifting capacity of the non-load crane, which is high in safety;

FIG. 3 is a structural side view of a limiting plate of an intelligent detection device for the lifting capacity of a non-load crane, which is high in safety;

fig. 4 is a structural elevation view of an outer cylinder of the intelligent detection device for the lifting capacity of the non-load crane, which is high in safety.

In the figure: 1 mounting frame, 2 spandrel girder, 3 hoist, 4 lifting hook, 5 spacing crossbeam, 6 limiting plate, 7 outer barrel, 8 interior barrel, 9 bearing pin, 10 pressure sensor, 11 sensor fixing base, 12 connecting rod, 13 hanging ring, 14 hoist electrical cabinet, 15 handheld controller, 16 load trigger.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-4, an intelligent detection device for lifting capacity of a load-free crane with high safety comprises an intelligent detection device for lifting capacity of a load-free crane with high safety, wherein the intelligent detection device for lifting capacity of a load-free crane with high safety comprises an inner cylinder 8, a pressure sensor 10 and a sensor fixing seat 11.

The shape of the inner cavity of the inner cylinder 8 is matched with the shape of the pressure sensor 10, so that after the pressure bearing pin 9 penetrates through the inner cylinder 8 and the outer cylinder 7, the top end of the pressure sensor 10 is just attached to the pressure bearing pin 9, and the pressure bearing pin 9 is limited by the limiting pin and cannot move, so that the pressure sensor 10 can be stably tested in a pressed state.

The intelligent detection device for the lifting capacity of the non-load crane with high safety comprises a lifting hanging ring 13, a connecting rod 12, a lifting hook 4 and a crane 3.

Wherein, lifting hook 4 carries out fixed connection with hoist wire rope, and the inner wall top of hanging ring 13 has seted up anti-skidding groove for lifting hook 4 has carried out anti-skidding processing with the junction of hanging ring 13, prevents that lifting hook 4 and hanging ring 13 from appearing unhooking the risk in the bearing test process.

The intelligent detection device for the lifting capacity of the non-load crane with high safety comprises a handheld controller 15, a load trigger 16 and a crane electrical cabinet 14.

The load trigger 16 is connected with a relay of a control circuit of the crane electrical cabinet, so that the load trigger 16 can immediately cut off the control circuit to stop the crane 3, and the load trigger 16 is provided with a reset switch, so that the continuous electrical appliance can be restarted after the risk of stopping the crane 3 is relieved.

In summary, the working principle of the intelligent detection device for the lifting capacity of the non-load bearing crane with high safety is that the handheld controller 15 is in signal connection with the load trigger 16 and the pressure sensor 10, data are transmitted through the GPRS wireless network, wireless detection can be realized only by a place with a mobile phone signal, the crane 3 drives the lifting hook 4 to apply traction force, the traction force is sequentially transmitted to the pressure sensor 10 through the connecting rod, the inner cylinder 8 and the sensor fixing seat 11 in cooperation with the bearing pin 9, the pressure sensor transmits the pressure data to the handheld controller 15, an operator can observe the bearing pressure level of the crane 3 in real time, the error range is controlled within the dead weight range of the inner cylinder 8, the pressure sensor 10 and the outer cylinder 7, the detection result is different from the actual bearing pressure, the detection result is more efficient and safe, the detection is not required to be carried out through heavy and heavy objects, overcomes the limitations, safety and complexity of the traditional lifting capacity measuring technology, adopts a weight test weighing mode, repeatedly carries out impact-free loading for a plurality of times to acquire the overrun value of the lifting capacity, cannot acquire the exact data of the overrun value rapidly, accurately and conveniently, has potential damage to the metal structures such as a girder and the like, reduces the bearing capacity of the lifting, and even causes the safety accidents such as plastic deformation or falling damage of the structure, thus compared with the traditional mode, the intelligent monitoring device without the lifting capacity is safer, faster and more intuitive, can acquire the lifting data at high frequency to form a smooth lifting capacity curve, is not limited by the space of the environmental position, can acquire the data omnidirectionally and remotely, is safer in remote test operation, greatly improves the test efficiency, accuracy and safety, the convenient and efficient monitoring device can accurately reflect the stress change condition of the crane, is convenient for predicting the lifting capacity in advance, and performs safety protection or correction measures in advance.

The drawings are simplified schematic views, and only the basic structure of the present invention is schematically described, so that only the constitution related to the present invention is shown.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 invention will be understood in specific cases by those of ordinary skill in the art.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a strong no heavy burden hoist lifting capacity intelligent detection device of security, includes mounting frame (1), its characterized in that: the utility model discloses a load-bearing device for the electric appliance comprises an installation frame (1), a load-bearing beam (2) is fixedly installed at the top of the installation frame (1), a crane (3) is fixedly installed in the inside of the load-bearing beam (2), a lifting hook (4) is fixedly installed at the bottom of the crane (3), a limiting beam (5) is fixedly installed at the outside of the installation frame (1), a limiting plate (6) is installed at the bottom of the limiting beam (5) in a threaded manner, an outer cylinder (7) is fixedly installed at the bottom of the limiting plate (6), an inner cylinder (8) is inserted in the inside of the outer cylinder (7), a pressure pin (9) is inserted in the inner wall of the outer cylinder (7), a pressure sensor (10) is inserted in the inside of the inner cylinder (8), a sensor fixing seat (11) is connected with the bottom of the inner cylinder (8) in a threaded manner, a connecting rod (12) is installed at the top of the thread of the inner cylinder (8), a hanging ring (13) is fixedly installed at the top of the connecting rod (12), a crane (3) is in signal connection with an electric appliance (14), a pressure sensor (10) is in signal connection with a handheld controller (15), and the electric appliance (16) is electrically connected with a trigger.

2. The intelligent detection device for lifting capacity of a load-free crane with high safety according to claim 1, wherein the intelligent detection device is characterized in that: the inner wall of the inner cylinder body (8) is provided with a through groove, and the pressure-bearing pin (9) is connected with the outer cylinder body (7) and the inner cylinder body (8) in a penetrating way, and the shape of the through groove is matched with the pressure-bearing pin (9).

3. The intelligent detection device for lifting capacity of a load-free crane with high safety according to claim 1, wherein the intelligent detection device is characterized in that: limiting holes are formed in the tops of the pressure-bearing pins (9), limiting through grooves are formed in the tops of the inner cylinder bodies (8), and limiting pins are inserted into the limiting through grooves and the limiting holes.

4. The intelligent detection device for lifting capacity of a load-free crane with high safety according to claim 1, wherein the intelligent detection device is characterized in that: an empty groove is formed in the center of the inner portion of the limiting plate (6), and the shape of the empty groove is matched with that of the connecting rod (12).

5. The intelligent detection device for lifting capacity of a load-free crane with high safety according to claim 1, wherein the intelligent detection device is characterized in that: the handheld controller (15) is in signal connection with the crane electrical cabinet (14), and the crane electrical cabinet (14) is electrically connected with the crane (3).

6. The intelligent detection device for lifting capacity of a load-free crane with high safety according to claim 1, wherein the intelligent detection device is characterized in that: the lifting hook (4) is movably connected with the hanging ring (13), the number of the limiting cross beams (5) is two, and the top of the pressure sensor (10) is movably connected with the bottom of the pressure-bearing pin (9).