CN216863434U - Lifting and hoisting ultra-high limiting device for indoor construction - Google Patents

Abstract

The application relates to a hoisting and hoisting superelevation limiting device for indoor construction, which comprises a mounting shell arranged at the top end of a hoisting arm and a trigger rod connected to the mounting shell in a sliding manner; one end of the trigger rod is positioned outside the installation shell and is provided with a first detection assembly, a second detection assembly which can be abutted by the other end of the trigger rod is arranged inside the installation shell, and the first detection assembly can be abutted by the top of a cargo lifted by the suspension arm; the second detection assembly and the first detection assembly are both in communication connection with the driving assembly, and the driving assembly is used for controlling the hoisting of the hoisting and hoisting ultrahigh limiting device; and a time delay interval is arranged between the second detection component and the top end of the trigger rod.

Description

Hoisting and hoisting super-height limiting device for indoor construction

Technical Field

The application relates to the field of safety protection, in particular to a hoisting and hoisting super-high limiting device for indoor construction.

Background

The height limiting device is usually used in indoor construction, the height limiting device used in the existing indoor construction comprises a steel rope used for fixing the height limiting device, a height limiting device body used for feeding back a heavy object to reach the limited height and a pull ring used for hanging the heavy object, the steel rope is fixedly connected with one end of the height limiting device body, the pull ring is fixedly connected with the other end of the height limiting device body, and the pull ring can be connected with the heavy object.

A spring part and a feedback circuit are arranged in the height limiting device body. When the goods do not reach the limited height, the spring part is in a stretched state, and the spring part and the feedback circuit are not contacted with each other; the feedback circuit does not send any signal to a driving component for driving the height limiting device; the driving assembly normally operates according to a corresponding instruction input by a worker; when the goods reach the current limited height, the spring piece rebounds to trigger the feedback circuit, the feedback circuit sends a height limiting instruction to the driving assembly, and the driving assembly stops running according to the height limiting instruction, so that unnecessary dangerous events generated after the goods exceed the limited height are reduced.

When the driving component stops operating according to the height limit instruction sent by the feedback circuit, corresponding devices such as the driving motor and the like immediately stop operating, so that unnecessary loss is easily caused to the driving component, particularly the motor.

SUMMERY OF THE UTILITY MODEL

In order to reduce the loss that causes the motor, this application provides a hoist and mount superelevation limiting device for indoor construction.

The application provides a lifting and hoisting superelevation limiting device for indoor construction adopts following technical scheme:

the hoisting device comprises a driving assembly for controlling hoisting, a mounting shell arranged on a hoisting arm and a trigger rod connected to the mounting shell in a sliding manner; one end of the trigger rod is positioned outside the installation shell and is provided with a first detection assembly, a second detection assembly which can be abutted by the other end of the trigger rod is arranged inside the installation shell, and the first detection assembly can be abutted by the top of a cargo lifted by the suspension arm; the second detection assembly and the first detection assembly are in communication connection with the driving assembly; and a time delay interval is arranged between the second detection component and the top end of the trigger rod.

Through adopting above-mentioned technical scheme, after the goods was hoisted to first determine module's limit height by the jack-up, goods and first determine module looks butt, then first determine module produces first communication signal, first communication signal feedback produces first feedback circuit to drive assembly, first feedback circuit sends the limit for height instruction to drive assembly, drive assembly warns the staff according to the limit for height instruction and closes drive assembly one by one, drive assembly can continue to work a period of time and shut down under inertial effect, drive assembly under the inertia can make the goods can continue to rise a section distance. Due to the fact that the second detection assembly and the top end of the trigger rod are arranged at a time-delay interval, the goods cannot jack up the whole height limiting device. If the driving assembly is not shut down by a worker after warning is generated, the goods continue to be hoisted upwards, the goods can jack the trigger rod towards the hoisting direction, the trigger rod is abutted against the second detection assembly after reaching a certain height, the second detection assembly generates a second communication signal at the moment, the second communication signal is fed back to the driving assembly to generate a second feedback circuit, the second feedback circuit sends a stop operation instruction to the driving assembly, and the driving assembly stops operating automatically, so that emergency braking of a motor in the driving assembly is reduced, and loss of the motor is reduced.

Optionally, the first detection assembly comprises a connection plate, a first spring, a first pressure sensor and a first detection plate; the connecting plate is arranged on the end face of the trigger rod, which is positioned at one end outside the mounting shell; one end of the first spring is fixedly connected with the lower surface of the connecting plate, and the other end of the first spring is connected with the first pressure sensor; the first pressure sensor is in communication connection with the driving assembly, and the first detection plate is fixedly connected with the first pressure sensor.

Through adopting above-mentioned technical scheme, when the goods was hoisted to the height-limiting of first detection component by the jack-up, first pressure sensor received pressure and produced first communication signal, and the drive assembly warns the staff after obtaining first pressure sensor's communication signal. The second detection component and the top end of the trigger rod are provided with a delay interval, and workers only need to manually close the driving components one by one within the time, so that damage to the driving device when goods reach the limit height is reduced.

Optionally, the second detection assembly comprises a second spring, a second pressure sensor and a second detection plate; one end of the second spring is arranged on the inner wall of the mounting shell, the other end of the second spring is connected with a second pressure sensor, the second pressure sensor is in communication connection with the driving assembly, and the second detection plate is fixedly connected with the second pressure sensor.

By adopting the technical scheme, when the goods are hoisted to the limit height of the second detection assembly, the second pressure sensor generates a second communication signal to the driving assembly under the action of pressure, and the driving assembly is automatically shut down after the second communication signal of the second pressure sensor is obtained, so that the effect of stopping the driving assembly is achieved. The driving assembly can continuously work for a period of time under inertia to lock the goods, and the spring II is compressed at the moment and is pressed against the second detection plate moving upwards to be buffered, so that the possibility that the weight jacks up the whole height limiting device is reduced.

Optionally, a gasket is disposed on a side of the first detection plate away from the first pressure sensor.

Through adopting above-mentioned technical scheme, the gasket can reduce concrete or sharp thing etc. to the contact of first pick-up plate to protect first pick-up plate.

Optionally, an adjusting piece for adjusting the starting position of the trigger rod is arranged inside the mounting shell; the adjusting piece comprises an adjusting plate and an air cylinder, the adjusting plate is arranged on the end face of one end, located in the mounting shell, of the trigger rod, and a base of the air cylinder is arranged on the inner wall of the mounting shell; the cylinder with the trigger bar sets up in the homonymy of regulating plate, the output butt of regulating plate confession cylinder.

Through adopting above-mentioned technical scheme, before hoisting the heavy object hoist, the staff can set up limit height. Only the length of the output end of the air cylinder needs to be adjusted, and the adjusting plate is pushed to a proper position, so that the initial position of the trigger rod is changed, and the height is adjusted.

Optionally, the output of cylinder is provided with the backup pad, one side that the backup pad kept away from the cylinder output can supply the regulating plate butt.

Through adopting above-mentioned technical scheme, the area of contact of the output of the multiplicable cylinder of backup pad and regulating plate to the output and the regulating plate that increase the cylinder remove and divide the steadiness.

Optionally, one side of the supporting plate close to the adjusting plate is provided with an elastic sheet.

Through adopting above-mentioned technical scheme, when the staff took off the heavy object, the high that the trigger bar can follow the height that produces the warning or make drive assembly close down under the effect of gravity, and the flexure strip can cushion the trigger bar of whereabouts to initial position to the collision of light little backup pad to the cylinder production.

Optionally, a guide piece is arranged inside the mounting shell, and the guide piece comprises a guide rod and a return spring; the guide rod is arranged on the inner wall of the installation shell and located on one side of the second detection assembly, the other end of the guide rod is connected with the adjusting plate in a sliding mode, and two ends of the reset spring are connected to the guide rod and the adjusting plate respectively.

Through adopting above-mentioned technical scheme, when the trigger bar upwards slided, the trigger bar can slide along the length extending direction of guide bar, and can not take place the skew. After the trigger lever abuts against the second detection plate to enable the driving assembly to be shut down, the heavy object is taken down by a worker, the trigger lever can return to the initial position under the action of the reset spring, manual adjustment is not needed, and the use convenience is improved.

Drawings

Fig. 1 is a schematic positional relationship diagram according to an embodiment of the present application.

FIG. 2 is a schematic structural diagram of a hoisting overload limiting device according to an embodiment of the present application.

FIG. 3 is a cross-sectional view of a hoist override limit device according to an embodiment of the present application.

Description of reference numerals: 2. installing a shell; 21. a first detection assembly; 211. a connecting plate; 212. a first spring; 213. a first pressure sensor; 214. a first detection board; 215. a gasket; 22. a second detection assembly; 221. a second spring; 222. a second pressure sensor; 223. a second detection board; 23. An adjustment member; 231. an adjusting plate; 232. a cylinder; 233. a support plate; 234. an elastic sheet; 24. a guide member; 241 guiding rod; 242. a return spring; 3. a trigger lever.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a hoisting and hoisting super-high limiting device for indoor construction.

Referring to fig. 1, the hoist rigging superelevation limit apparatus includes a mounting housing 2 and a triggering lever 3. The mounting shell 2 is fixedly connected to the hoisting arm; the trigger lever 3 is slidably connected to the mounting case 2.

Referring to fig. 2 and 3, the bottom end of the triggering lever 3 is located outside the mounting case 2 and is mounted with a first sensing assembly 21; a second detection assembly 22 and an adjusting piece 23 are arranged in the mounting shell 2; the second detecting component 22 can be abutted by the top end of the triggering rod 3. The top end of the trigger rod 3 and the second detection component 22 have a delay distance therebetween, and the adjusting piece 23 is used for correspondingly adjusting the delay distance.

Wherein: the first detection assembly 21 is in communication connection with a first signal input end of the driving assembly and used for sending out a warning after the goods reach a first limited height; the second detection assembly 22 is in communication connection with the second signal input of the driving assembly for stopping the driving assembly after the cargo reaches the second defined height. The driving assembly is used for driving the hoisting device to ascend and descend, giving out warning and controlling the driving assembly to stop running.

When the hoisting and hoisting over-height limiting device is used, a user adjusts the bottom end of the trigger rod 3 to a first limited height through the adjusting piece 23 according to different requirements, and the installation position of the second detection component 22 is a second limited height. After the goods rise to the first limited height, triggering the first detection assembly 21, and sending a first alarm instruction to the driving assembly by the first detection assembly 21; the driving assembly warns workers who operate the driving assembly according to the first alarm instruction so that the workers can timely shut down the corresponding motors one by one, emergency braking of the motors in the driving assembly is reduced, and unnecessary loss of the driving assembly is reduced. If the staff does not make corresponding actions in time, when the goods continuously rise to the second limited height, the second detection component 22 is triggered, and the second detection component 22 sends a second alarm instruction to the driving component; and the driving component forcibly stops running according to the second alarm instruction.

Referring to fig. 2, the first sensing member 21 includes a connection plate 211 for connecting the trigger lever 3, a first spring 212, a first pressure sensor 213, and a first sensing plate 214 for increasing a contact area with the goods.

The connecting plate 211 is fixedly connected to an end surface of the trigger rod 3 at one end outside the mounting housing 2, one end of the first spring 212 is fixedly connected to a lower surface of the connecting plate 211, and the other end of the first spring is fixedly connected to the first pressure sensor 213. The first pressure sensor 213 is connected to the first signal input end of the driving assembly as the signal output end of the first detecting assembly 21, and the first detecting plate 214 is disposed at an end far from the connecting plate 211.

When the cargo is lifted to the limited height of the first detecting component 21, the cargo jacks up the first detecting plate 214, the first spring 212 does not generate elastic deformation under the action of inertia at the moment, the first pressure sensor 213 is pressed by the first detecting plate 214, and the first pressure sensor 213 generates a first communication signal after being pressed.

Referring to fig. 3, a replaceable pad 215 is adhered to the lower surface of the first detection plate 214, and the pad 215 protects the first detection plate 214 when a heavy object to be lifted is a sharp object or an object harmful to the first detection plate 214.

Referring to fig. 3, the second sensing member 22 includes a second spring 221 for damping, a second pressure sensor 222, and a second sensing plate 223 against which the trigger lever 3 moves upward and then abuts. One end of the second spring 221 is fixedly connected to the inner wall of the mounting case 2, the other end of the second spring 221 is fixedly connected to the upper surface of the second pressure sensor 222, the second pressure sensor 222 is used as a signal output end of the second detection assembly 22 and is in communication connection with a second signal input end of the driving assembly, and the second detection plate 223 is fixedly connected to the second pressure sensor 222.

When the goods are lifted to the limited height of the second detection assembly 22, the trigger rod 3 abuts against the second detection plate 223, the goods lift up the second detection plate 223, the second spring 221 does not generate elastic deformation under the action of inertia at the moment, and the second pressure sensor 222 receives the pressure of the second detection plate 223, so that a second communication signal is generated to the driving assembly.

Referring to fig. 3, the adjusting member 23 includes an adjusting plate 231 and an air cylinder 232 for adjusting the initial position of the trigger rod 3, the adjusting plate 231 is fixedly connected to the end surface of the trigger rod 3 at one end inside the mounting housing 2, and the base of the air cylinder 232 is fixedly connected to the inner wall of the mounting housing 2; the cylinder 232 and the trigger rod 3 are disposed on the same side of the adjusting plate 231, and the adjusting plate 231 can be abutted by the output end of the cylinder 232. When the initial position of the trigger rod 3 is adjusted, the abutting position of the adjusting plate 231 and the air cylinder 232 is controlled only by adjusting the telescopic length of the output end of the air cylinder 232.

Referring to fig. 3, the output end of the cylinder 232 is provided with a support plate 233 for increasing a contact area to increase the contact stability of the output end of the cylinder 232 and the adjustment plate 231. The upper surface of the supporting plate 233 is provided with the elastic piece 234, when the worker takes down the heavy object, the trigger lever 3 falls down from the height at which the warning is generated or the height at which the driving assembly stops operating under the action of gravity, and the elastic piece 234 can buffer the trigger lever 3 falling to the initial position to reduce the collision of the supporting plate 233 with the cylinder 232.

Referring to fig. 3, a guide 24 for guiding the trigger lever 3 is fixedly connected to an inner wall of the mounting case 2, and the guide 24 includes a guide lever 241 for determining a sliding path of the trigger lever 3 and a return spring 242 for returning the trigger lever 3; the return spring is inserted into the guide rod 241. One end of the guide bar 241 is fixedly connected to the inner wall of the mounting case 2 and located at one side of the second detection plate 223, and the other end of the guide bar 241 is slidably connected to the adjustment plate 231. One end of the return spring 242 is fixedly connected to the guide bar 241, and the other end of the return spring 242 is fixedly connected to the adjustment plate 231.

When the trigger lever 3 is slid upward, the trigger lever 3 can be slid along the longitudinal extension direction of the guide lever 241 without being displaced. After the trigger lever 3 presses the second detecting plate 223 to stop the driving assembly, the worker takes the heavy object off, and the trigger lever 3 can return to the initial position under the action of the return spring 242.

The implementation principle of the hoisting and hoisting ultra-high limiting device for indoor construction is as follows: when the hoisting and hoisting over-height limiting device is used, a user adjusts the bottom end of the trigger rod 3 to a first limited height through the adjusting piece 23 according to different requirements, and the installation position of the second detection component 22 is a second limited height. After the goods rise to the first limited height, triggering the first detection assembly 21, and sending a first alarm instruction to the driving assembly by the first detection assembly 21; the driving component warns workers who operate the driving component according to the first alarm instruction so that the workers can timely shut down the corresponding motors one by one. If the staff does not make corresponding actions in time, when the goods continuously rise to the second limited height (the top end of the trigger rod 3 is abutted to the second detection assembly 22), the second detection assembly 22 is triggered, and the second detection assembly 22 sends a second alarm instruction to the driving assembly; and the driving component forcibly stops running according to the second alarm instruction.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a hoist and mount superelevation limiting device for indoor construction which characterized in that: comprises a mounting shell (2) arranged on a hoisting arm and a trigger rod (3) connected to the mounting shell (2) in a sliding manner; one end of the trigger rod (3) is located outside the installation shell (2) and is provided with a first detection assembly (21), a second detection assembly (22) which can be abutted by the other end of the trigger rod (3) is arranged inside the installation shell (2), and the first detection assembly (21) can be abutted by the top of a cargo lifted by the suspension arm; the second detection assembly (22) and the first detection assembly (21) are in communication connection with a driving assembly, and the driving assembly is used for controlling hoisting of the hoisting and hoisting over-height limiting device; the second detection component (22) and the top end of the trigger rod (3) have a time delay distance.

2. The apparatus of claim 1, wherein the apparatus comprises: the first detection assembly (21) comprises a connecting plate (211), a first spring (212), a first pressure sensor (213) and a first detection plate (214); the connecting plate (211) is arranged on the end face of the trigger rod (3) at one end outside the mounting shell (2); one end of the first spring (212) is fixedly connected with the lower surface of the connecting plate (211), and the other end of the first spring is connected with the first pressure sensor (213); the first pressure sensor (213) is in communication connection with the driving assembly, and the first detection plate (214) is fixedly connected with the first pressure sensor (213).

3. The apparatus of claim 1, wherein the apparatus comprises: the second detection assembly (22) comprises a second spring (221), a second pressure sensor (222) and a second detection plate (223); one end of the second spring (221) is arranged on the inner wall of the mounting shell (2), and the other end of the second spring is connected with the second pressure sensor (222); the second pressure sensor (222) is in communication connection with the driving assembly, and the second detection plate (223) is fixedly connected with the second pressure sensor (222).

4. The apparatus of claim 2, wherein the apparatus comprises: a gasket (215) is arranged on one side, away from the first pressure sensor (213), of the first detection plate (214).

5. A hoisting superelevation limiting apparatus for indoor construction according to claim 3, wherein: an adjusting piece (23) used for adjusting the starting position of the trigger rod (3) is arranged in the mounting shell (2); the adjusting piece (23) comprises an adjusting plate (231) and an air cylinder (232), the adjusting plate (231) is arranged on the end face of the trigger rod (3) at one end inside the mounting shell (2), and a base of the air cylinder (232) is arranged on the inner wall of the mounting shell (2); the cylinder (232) with the trigger bar (3) sets up in the homonymy of regulating plate (231), regulating plate (231) can supply the output butt of cylinder (232).

6. The apparatus of claim 5, wherein the apparatus comprises: the output end of the air cylinder (232) is provided with a supporting plate (233), and one side, far away from the output end of the air cylinder (232), of the supporting plate (233) can be abutted by the adjusting plate (231).

7. The apparatus of claim 6, wherein the apparatus comprises: one side of the supporting plate (233) close to the adjusting plate is provided with an elastic sheet (234).

8. The apparatus of claim 5, wherein the apparatus comprises: a guide piece (24) is arranged in the mounting shell (2), and the guide piece (24) comprises a guide rod (241) and a return spring (242); the guide rod (241) is arranged on the inner wall of the installation shell (2) and located on one side of the second detection assembly (22), the other end of the guide rod (241) is connected with the adjusting plate (231) in a sliding mode, and two ends of the return spring (242) are connected to the guide rod (241) and the adjusting plate (231) respectively.

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