CN108609556B

CN108609556B - Construction worker uses intelligent lifting device

Info

Publication number: CN108609556B
Application number: CN201810682921.9A
Authority: CN
Inventors: 毛华庆; 李甫鹏; 李华伟
Original assignee: Wenzhou University Oujiang College
Current assignee: Chongqing Laobiao Construction Service Co.,Ltd.
Priority date: 2018-06-27
Filing date: 2018-06-27
Publication date: 2020-02-04
Anticipated expiration: 2038-06-27
Also published as: CN108609556A

Abstract

The invention discloses an intelligent lifting device for construction workers, which comprises a lifting base, a lifting device arranged on the lifting base and a pedal arranged on the lifting device and used for the construction workers to tread, wherein a pressure sensor is arranged in the lifting base, a reinforcing device used for reinforcing the connection firmness of the base and the external ground is arranged on the lower side surface of the lifting base, and the pressure sensor comprises a plurality of detection units which are circularly distributed between the upper side surface of the lifting base and the lifting device. According to the intelligent lifting device for the construction worker, the effect of lifting the construction worker can be effectively realized through the arrangement of the lifting base, the lifting device and the pedal, the firmness of connection between the lifting base and the external ground can be effectively enhanced when the gravity center of the construction worker deviates through the arrangement of the pressure sensor and the reinforcing device, and the problem that the lifting base slips due to the gravity center deviation is avoided.

Description

Construction worker uses intelligent lifting device

Technical Field

The invention relates to a lifting device, in particular to a lifting device for construction workers.

Background

In the process of building construction, construction workers need to construct different heights of a building regularly, when construction needs to be conducted on a position with a higher height, the construction workers need to use a lifting device to lift the worker, so that the construction workers can effectively conduct construction on the position with the higher height, the existing lifting device which is used commonly adopts a ladder, the construction workers firstly place the ladder on the position needing to be lifted in the using process, then the construction workers climb onto the ladder to realize the lifting of the height by using the ladder, however, the existing ladder needs a fulcrum in the using process, so that the ladder is troublesome to use, and the herringbone ladder is adopted, although a fulcrum is not needed, because the contact area between the ladder feet of the herringbone ladder and the smooth ground is small, therefore frictional force is less, so when construction worker focus shifts, the problem that the double ladder tumbles appears very easily, will lead to construction worker to fall the problem of hindering like this, if the simple adoption directly increases the area of contact between double ladder foot and the ground and increase the mode of frictional force, just can lead to the volume increase of lifting device, therefore can make the lifting device can't conveniently carry.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the intelligent lifting device for construction workers, which can effectively avoid the construction workers from falling down due to slipping and is convenient to carry.

In order to achieve the purpose, the invention provides the following technical scheme: an intelligent lifting device for construction workers comprises a lifting base, a lifting device arranged on the lifting base and a pedal arranged on the lifting device and used for the construction workers to trample, wherein the lifting device is used for driving the pedal to ascend and descend, a pressure sensor is arranged in the lifting base, a reinforcing device used for reinforcing the connection firmness of the base and the external ground is arranged on the lower side surface of the lifting base, the pressure sensor comprises a plurality of detection units which are circularly distributed between the upper side surface of the lifting base and the lifting device, the detection units are used for detecting the pressure applied to the lifting base by the lifting device, the reinforcing device comprises a plurality of reinforcing units which are circularly distributed on the lower side surface of the lifting base, a plurality of detection units and a plurality of reinforcing units are connected in a staggered mode on the circumference, and pressure threshold values are arranged in the plurality of detection units, when the pressure detected by the detection unit reaches a pressure threshold value, the detection unit drives the reinforcing unit correspondingly connected with the detection unit to act, and the firmness of connection between the lifting base at the position and the ground is enhanced.

As a further improvement of the present invention, the detection unit includes a fan-shaped upper press plate and a fan-shaped lower press plate, the lower press plate is fixedly connected to the upper side of the lifting base, a central angle of the upper press plate is elastically hinged to a central angle of the lower press plate, the lifting device is fixed to the upper press plate with a pedal, one side of the upper press plate opposite to the lower press plate is fixedly connected to a power contact, one side of the lower press plate opposite to the upper press plate is provided with an output contact, the power contact is coupled to an external power source, the output contact is coupled to the reinforcement unit, when the pressure applied to the upper press plate by the lifting device reaches a pressure threshold, the upper press plate is turned downwards, the power contact is contacted to the output contact, and a power signal is input into the reinforcement unit to drive the reinforcement unit to operate.

As a further improvement of the present invention, the reinforcing unit includes an air pump disposed in the lifting base and a suction cup fixed on the lower side surface of the lifting base, the suction cup is adsorbed on the external ground, the air pump is connected with the inside of the suction cup through an air pipe and communicated with each other, and the air pump is coupled with the output contact to receive the power signal and then act to draw air in the suction cup.

As a further improvement of the invention, the lifting device comprises a lifting chassis, a telescopic rod fixed on the lifting chassis and a driving mechanism arranged on the lifting chassis and used for driving the telescopic rod to stretch, the lower end of the telescopic rod is fixedly connected with the upper end face of the lifting chassis, a plurality of upper pressure plates are circumferentially distributed and fixed on the lower end face of the lifting chassis, and the pedal is fixed at the upper end of the telescopic rod.

As a further improvement of the invention, the telescopic rod comprises two bottom rods, two top rods and a plurality of unit rods, the two bottom rods, the two top rods and the two adjacent unit rods are hinged with each other through the middle parts to form an X-shaped unit, the lower two ends of the X-shaped unit of the two bottom rods are hinged with the upper side surface of the lifting chassis, the upper two ends of the X-shaped unit of the unit rods are hinged with the lower two ends of the X-shaped unit of the unit rods in a one-to-one correspondence manner, the upper two ends of the X-shaped unit of the two top rods are hinged with the lower side surface of the pedal in a sliding manner, the lower two ends of the X-shaped unit of the unit rods are hinged with the upper two ends of the X-shaped unit of the unit rods in a one-to-one correspondence manner, the driving mechanism comprises a half gear for fixing one of the bottom rods on the side surface of one end of, and is engaged with the half gear.

The invention has the advantages that the lifting base can be effectively fixed on the external smooth ground through the arrangement of the lifting base, the lifting device and the pedal, then the lifting of the pedal can be driven through the action of the lifting device, and the lifting of a construction worker on the pedal is further realized, then the detection unit can effectively detect when the position of the construction worker standing on the pedal is deviated, namely the gravity center of the construction worker is deviated through the arrangement of a plurality of rape units on the pressure sensor and a plurality of reinforcing units on the reinforcing device, and the action of the reinforcing unit connected with the detection unit is further strengthened to strengthen the firmness of connection with the external ground, so the problem that the construction worker falls off the pedal due to the deviation and overturn of the lifting base caused by the deviation of the gravity center when the construction worker stands on the pedal can be effectively avoided, and the problem that the integral lifting device is difficult to carry caused by simply increasing the connecting area between the base and the external ground as in the prior art is solved.

Drawings

Fig. 1 is an overall structural view of an intelligent lifting device for construction workers according to the present invention;

fig. 2 is an overall configuration diagram of the detection unit in fig. 1.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

Referring to fig. 1, the intelligent lifting device for construction workers of this embodiment includes a lifting base 1, a lifting device 2 disposed on the lifting base 1, and a pedal 3 disposed on the lifting device 2 and trampled by the construction workers, wherein the lifting device 2 is used for driving the pedal 3 to ascend and descend, a pressure sensor 11 is disposed in the lifting base 1, a reinforcing device for reinforcing the firmness of the base and the external ground is disposed on the lower side of the lifting base 1, the pressure sensor 11 includes a plurality of detecting units 111 circularly distributed on the lifting base 1 between the upper side and the lifting device 2, the detecting unit 111 is used for detecting the pressure applied to the lifting base 1 by the lifting device 2, the reinforcing device includes a plurality of reinforcing units 4 circularly distributed on the lower side of the lifting base 1, and the plurality of detecting units 111 and the plurality of reinforcing units 4 are connected in a staggered manner on the circumference, the plurality of detection units 111 are all provided with pressure thresholds, when the pressure detected by the detection units 111 reaches the pressure thresholds, the detection units 111 drive the reinforcement units 4 correspondingly connected with the detection units to act, so that the firmness of connection between the lifting base 1 at the position and the ground is enhanced, in the process of using the intelligent lifting device of the embodiment, only the lifting base 1 is required to be installed on the external smooth ground, then the lifting device 2 lowers the pedal 3 to the position of the lowest point, then a construction worker steps on the pedal 3, and then the lifting device 2 is controlled to gradually lift the pedal 3, so that the construction worker is effectively lifted, the effect of constructing a high building by the construction worker is realized, and when the center of gravity of the construction worker on the pedal 3 deviates, because the pressure sensors 11 are formed by combining the plurality of detection units 111 which are circularly distributed, that is, the plurality of detecting units 111 are configured to detect the pressure in a plurality of directions, for example, 8 detecting units 111 in this embodiment are provided, that is, can detect the pressure in 8 directions, so that it can be realized that no matter which side the center of gravity of the construction worker falls, the corresponding reinforcing units 4 and detecting units 111 are connected in a staggered manner, that is, the direction of the detecting unit 111 and the direction of the reinforcing unit 4 are opposite, for example, when the detecting unit 111 is in the east direction, the corresponding reinforcing unit 4 is in the west direction, so that when the center of gravity of the construction worker deviates to one direction, that is, the pressure detected by the detecting unit 111 in the direction is greater than the pressure threshold value, the reinforcing unit 4 in the opposite direction can strengthen the connection with the ground, thus effectively avoiding the problem that the construction worker falls down from the pedal 3 due to the sliding and falling of the whole device caused by the shift of the center of gravity of the construction worker in the prior art, and compare in the mode that adopts simple increase frictional force among the prior art, have better fastness reinforcing action on the one hand, on the other hand can also effectually avoid increasing the volume grow of whole device in the future and portable problem inadequately.

As a modified specific embodiment, the detecting unit 111 includes an upper pressing plate 1111 and a lower pressing plate 1112 both having a fan shape, the lower pressing plate 1112 is fixedly connected to the upper side of the lifting base 1, the central angle of the upper pressing plate 1111 is elastically hinged to the central angle of the lower pressing plate 1112, the lifting device 2 with the pedal 3 is fixed to the upper pressing plate 1111, one side of the upper pressing plate 1111 opposite to the lower pressing plate 1112 is fixedly connected with a power contact, one side of the lower pressing plate 1112 opposite to the upper pressing plate 1111 is provided with an output contact, the power contact is coupled with an external power source, the output contact is coupled with the reinforcing unit 4, when the pressure applied to the upper pressing plate 1111 by the lifting device 2 reaches a pressure threshold, the upper pressing plate 1111 is turned downwards, the power contact is contacted with the output contact, a power signal is input into the reinforcing unit 4, the reinforcing unit 4 is driven to act, during the detecting process of the detecting unit 111, the gravity of the construction worker and the upgrading device 2 on the step 3 is mainly received by the upper pressing plate 1111, when the gravity center of the construction worker is not deviated, the gravity is mainly applied to the hinge point of the upper pressing plate 1111 and the lower pressing plate 1112, so that the upper pressing plate 1111 and the lower pressing plate 1112 are kept separated by the elastic hinge, when the gravity center of the construction worker is deviated, the gravity of the deviated orientation is increased, the upper pressing plate 1111 of the orientation detection unit 111 is pressed downwards under the action of the gravity, the elastic force of the elastic hinge between the upper pressing plate 1111 and the lower pressing plate 1112 is overcome, the upper pressing plate 1111 is turned towards the lower pressing plate 1112, after the upper pressing plate 1111 is turned towards the lower pressing plate 1112, the power contact is contacted with the output contact, the power is switched on with the strengthening unit 4, and thus the effect of outputting an electric signal into the strengthening unit 4 is effectively realized, like this effectual realization detected construction worker's focus skew to output signal to strengthening in the unit 4 after detecting, make strengthening the unit 4 and can effectually strengthen the lifting base 1 that corresponds the position and the firm in connection on outside smooth ground, avoid because the problem that whole lifting device that the focus skew leads to slides and overturn, and overall structure is simple, realizes easily.

As a modified specific embodiment, the reinforcing unit 4 includes an air pump 41 disposed in the lifting base 1 and a suction cup 42 fixed on the lower side surface of the lifting base 1, the suction cup 42 is adsorbed on the external ground, the air pump 41 is connected with the suction cup 42 through an air pipe and is communicated with each other, the air pump 41 is coupled with the output contact to act to draw air in the suction cup 42 after receiving a power signal, the air pump 42 can effectively suck the air to the smooth bottom surface of the external to realize the connection between the lifting base 1 and the smooth ground of the external, and the air pump 41 can effectively realize the action after receiving the electric energy output by the output contact to draw the air in the suction cup 42, so that the pressure applied to the suction cup 42 by the atmospheric pressure is stronger, thus effectively realizing an effect of reinforcing the connection firmness, and the volume of the whole device is not increased, and the present embodiment is mainly applied to smooth ground, so that the problem of air leakage inside the suction cup 42 caused by rough ground is not needed.

As a modified specific embodiment, the lifting device 2 includes a lifting chassis 21, a telescopic rod 22 fixed on the lifting chassis 21, and a driving mechanism 23 disposed on the lifting chassis 21 for driving the telescopic rod 22 to extend and retract, a lower end of the telescopic rod 22 is fixedly connected to an upper end surface of the lifting chassis 21, a plurality of upper press plates 1111 are circumferentially distributed and fixed on a lower end surface of the lifting chassis 21, the pedal 3 is fixed on an upper end of the telescopic rod 22, by the arrangement of the telescopic rod 22, the extension and retraction of the telescopic rod 22 can be effectively utilized to achieve the lifting of the driving pedal 3, the overall structure is simple and easy to achieve, by the arrangement of the lifting chassis 21, the deviation of the center of gravity of the construction worker can be effectively sensed and transmitted to the upper press plates 1111, so the deviation of the center of gravity of the construction worker can be effectively detected, and in this embodiment, for the stability of the lifting chassis 21, a mode of connecting a support column capable of swinging by using a universal joint is arranged at the position of the center of a circle on the lower side surface of the lifting chassis 21 to realize the main supporting function when the gravity center of a construction worker is not deviated.

As an improved specific embodiment, the telescopic rod 22 includes two bottom rods 221, two top rods 222 and a plurality of unit rods 223, the two bottom rods 221, the two top rods 222 and the two adjacent unit rods 223 are hinged to each other through the middle portion to form an "X" shaped unit, wherein the lower two ends of the "X" shaped unit of the two bottom rods 221 are hinged to the upper side of the lifting chassis 21, the upper two ends of the "X" shaped unit formed by the unit rods 223 are hinged to the lower ends of the "X" shaped unit one by one, the upper two ends of the "X" shaped unit formed by the two top rods 222 are hinged to the lower side of the pedal 3 in a sliding manner, the lower two ends of the "X" shaped unit formed by the unit rods 223 are hinged to the upper two ends of the "X" shaped unit one by one, the driving mechanism 23 includes a half gear 231 fixed on one side of one of the lifting chassis 21 and a driving motor 232 fixed on the lifting chassis 21 at, the rotating shaft of the driving motor 232 is a worm and is engaged with the half gear 231, an 'X' -shaped telescopic structure can be effectively formed by arranging the bottom rod 221, the top rod 222 and the unit rod 223, so that the telescopic rod 22 which drives the whole body can be effectively stretched through the matching action of the driving motor 232 and the half gear 231, the rotating shaft of the driving motor 232 is arranged into the worm structure, the worm structure can be well matched with the half gear 231 to realize the self-locking function, the telescopic rod 22 can be effectively driven to stretch only when the driving motor 232 rotates, the problem that a construction worker falls down due to sudden length change of the telescopic rod 22 in the working process of the construction worker is avoided, as for starting the driving motor 232 of the embodiment, the mode that a motor controller capable of being remotely controlled wirelessly is attached to the body of the driving motor 232 can be adopted to realize, the remote controller can be arranged in the hand of a construction worker, so as to realize the expansion and contraction of the telescopic rod 22 driven by the construction worker, wherein the two ends of the top rod 222 in the embodiment are slidably hinged with the lifting chassis 21 by arranging two hinge pieces capable of sliding relatively on the lower side surface of the lifting chassis 21, and then the end parts of the two ends of the top rod 222 are respectively hinged on the two hinge pieces to complete the sliding and hinging.

In conclusion, the lifting device of this embodiment, through the detecting element 111 in the pressure sensor 11 and the setting of strengthening unit 4 in the strengthening device, alright effectual realization detects construction worker's focus skew to the realization corresponds the effect of strengthening the fastness of connection, and then the effectual problem of having avoided construction worker to fall down, the not portable enough problem of device that simply increases area of contact and leads to among the prior art can not appear yet.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a construction worker uses intelligent lifting device which characterized in that: comprises a lifting base (1), a lifting device (2) arranged on the lifting base (1) and a pedal (3) arranged on the lifting device (2) and used for building workers to trample, wherein the lifting device (2) is used for driving the pedal (3) to ascend and descend, a pressure sensor (11) is arranged in the lifting base (1), the lower side surface of the lifting base (1) is provided with a reinforcing device used for reinforcing the firmness of the base and the external ground, the pressure sensor (11) comprises a plurality of detecting units (111) which are circularly distributed between the upper side surface of the lifting base (1) and the lifting device (2), the detecting units (111) are used for detecting the pressure applied to the lifting base (1) by the lifting device (2), the reinforcing device comprises a plurality of reinforcing units (4) which are circularly distributed on the lower side surface of the lifting base (1), the detection units (111) and the reinforcement units (4) are connected in a staggered manner on the circumference, namely the directions of the detection units (111) and the reinforcement units (4) which are connected in a staggered manner are opposite, pressure thresholds are arranged in the detection units (111), and when the pressure detected by the detection units (111) reaches the pressure thresholds, the detection units (111) drive the reinforcement units (4) which are correspondingly connected with the detection units to act, so that the firmness of connection between the lifting base (1) at the position and the ground is enhanced; the detection unit (111) comprises an upper pressing plate (1111) and a lower pressing plate (1112) which are fan-shaped, the lower pressing plate (1112) is fixedly connected with the upper side surface of the lifting base (1), the central angle of the upper pressing plate (1111) is elastically hinged with the central angle of the lower pressing plate (1112), the lifting device (2) is provided with a pedal (3) which is fixed on the upper pressing plate (1111), the upper pressing plate (1111) is fixedly connected with a power contact relative to one side of the lower pressing plate (1112), the lower pressing plate (1112) is provided with an output contact relative to one side of the upper pressing plate (1111), the power contact is coupled with an external power supply, the output contact is coupled with the reinforcing unit (4), when the pressure applied to the upper pressing plate (1111) by the lifting device (2) reaches a pressure threshold value, the upper pressing plate (1111) is turned downwards, the power contact is contacted with the output contact, and a power signal is input into the reinforcing unit (4), driving the strengthening unit (4) to act; strengthen unit (4) including setting up aspiration pump (41) in lifting base (1) and fixing sucking disc (42) on lifting base (1) downside, sucking disc (42) adsorb outside subaerially, aspiration pump (41) are through trachea and sucking disc (42) internal connection and intercommunication each other, and this aspiration pump (41) are coupled with the output contact to action extraction sucking disc (42) interior air behind the received power signal.