CN112850424A

CN112850424A - Lifting equipment for overhauling

Info

Publication number: CN112850424A
Application number: CN202110185329.XA
Authority: CN
Inventors: 王章红; 王逸飞; 王继伟; 刘亚锋
Original assignee: Ficont Industry Beijing Co Ltd
Current assignee: Ficont Industry Beijing Co Ltd
Priority date: 2021-02-10
Filing date: 2021-02-10
Publication date: 2021-05-28

Abstract

The invention provides a lifting device for overhauling, which belongs to the technical field of lifting devices and comprises: the elevator car is connected to the lifting support in a sliding mode, a lifting rope is connected to the elevator car, and the driving device lifts the elevator car through the lifting rope; further comprising: the control device is electrically connected with the driving device and provides electric energy for the driving device; further comprising: the remote control device is arranged in the car and is connected with the control device through signals; according to the lifting equipment for overhauling, the driving device for driving the lift car and the lift car are arranged separately, the lift car is controlled through the control device, the remote control device is arranged in the lift car, and the remote control device is connected with the control device through signals, so that the problem of arrangement of the traveling cable on the lift car is solved, and the running stability of the lifting equipment is improved.

Description

Lifting equipment for overhauling

Technical Field

The invention relates to the technical field of lifting equipment, in particular to lifting equipment for overhauling.

Background

In recent years, with the acceleration of urbanization and the development of industrialization, the land area of the animal husbandry which needs to be cultivated in a field originally is limited, and high-rise cultivation is developed, so that the land area is saved, and mechanized facilities are more labor-saving. Along with the popularization of high-rise cultivation forms, equipment or facilities for workers to go up and down each floor are correspondingly needed to be provided.

Traditional equipment that is used for personnel to go up and down is for arranging exempting from to climb the ware in lift passageway department, has the lift platform that is used for personnel to take on exempting from to climb the ware, carries out personnel's transport from top to bottom through lift platform. Traditional exempt from to climb is provided with drive arrangement on lift platform, and the last retinue cable that is connected with of drive arrangement carries out the up-and-down drive to lift platform through the power supply of retinue cable.

However, the arrangement of the traveling cable has instability in the operation process of the lifting platform, thereby affecting the safe operation of the equipment.

Disclosure of Invention

Therefore, the invention aims to overcome the defects of poor operation safety and stability caused by the need of arranging a traveling cable in the climbing-free device in the prior art, and provides the lifting equipment for overhauling.

In order to solve the above technical problem, the present invention provides an elevating apparatus for overhaul, comprising: the elevator car is connected to the lifting support in a sliding mode, a lifting rope is connected to the elevator car, and the driving device lifts the elevator car through the lifting rope;

further comprising: the control device is electrically connected with the driving device, is suitable for being connected with a power supply and provides electric energy for the driving device through the control device;

further comprising: and the remote control device is arranged in the car and is in signal connection with the control device, and the control device drives or stops driving the driving device by receiving a signal of the remote control device.

Optionally, a position detection device is arranged on the lifting support and used for detecting the position of the car, the position detection device is electrically connected with the control device, and the position detection device is used for transmitting the position information of the car to the control device.

Optionally, the control device is electrically connected to the driving device through a frequency converter, and the frequency converter is configured to receive a control signal of the control device and supply electric energy to the driving device.

Optionally, the frequency converter is further configured to monitor a working current and/or voltage of the driving device, and transmit monitoring information to the control device;

and/or a weighing sensor is further arranged between the driving device and the lifting rope, and the weighing sensor is electrically connected with the control device.

Optionally, further comprising, a safety device, the safety device comprising: the safety lock is fixedly arranged on the lift car, the safety steel wire rope penetrates through the safety lock, the safety steel wire rope is vertically arranged along the lifting support, two ends of the safety steel wire rope are respectively fixedly arranged, and the safety lock moves up and down along the safety steel wire rope in the up-and-down moving process of the lift car;

the safety lock allows the safety steel wire rope to move relatively in the safety lock, and when the speed of the safety steel wire rope moving relatively in the safety lock is suddenly increased, the safety lock can lock the safety steel wire rope.

Optionally, the safety lock is electrically connected with the remote control device, and the remote control device is used for receiving the action information of the safety lock and transmitting the action information of the safety lock to the controller.

Optionally, the lifting bracket comprises: the direction cat ladder, have the many rungs that are used for supplying the people to climb from top to bottom on the direction cat ladder, be connected with the montant on the many rungs of the first half of direction cat ladder, safety wire rope's upper end fixed connection is in on the montant.

Optionally, guide supporting arms are respectively arranged on two sides of the car, at least two rollers arranged at intervals transversely are arranged on the guide supporting arms, and the side rod of the guide ladder stand is clamped between the two rollers.

Optionally, the driving device is a friction type hoist, the hoisting rope is inserted from a rope inlet end of the friction type hoist and then extends out from a rope outlet end of the friction type hoist, a rope collecting barrel is arranged at the rope inlet end of the friction type hoist, and a part, which is not inserted into the friction type hoist, of the hoisting rope is wound in the rope collecting barrel.

Optionally, one end of the rope winding barrel faces the rope inlet end opening of the friction type hoisting machine, and the other end of the rope winding barrel is rotatably connected to the support through a bearing.

The technical scheme of the invention has the following advantages:

1. the lifting equipment for overhauling is provided with the driving device for driving the lift car and the lift car which are separately arranged, the lift car is controlled by the control device, the remote control device is arranged in the lift car, and the remote control device is connected with the control device through signals, so that the problem of arrangement of a traveling cable on the lift car is solved, and the running stability of the lifting equipment is improved.

2. According to the lifting equipment for overhauling, the control device provides electric energy to the driving device through the frequency converter, and the frequency converter gradually achieves maximum supply and gradually reduces supply when providing electric energy to the driving device, so that the driving device is smoothly controlled, and the riding comfort of people in the lift car is improved.

3. According to the lifting equipment for overhauling, the driving device is the friction type hoister, the rope collecting barrel is arranged below the rope inlet end of the friction type hoister, and the redundant working steel wire ropes are collected through the rope collecting barrel, so that the redundant steel wire ropes are prevented from being extruded, and the loss of the working steel wire ropes is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of one embodiment of an inspection hoist in an embodiment of the present invention.

Fig. 2 is an enlarged view of the area a in fig. 1.

Fig. 3 is an enlarged view of the region B in fig. 1.

Fig. 4 is a rear view of the service lift device of fig. 1.

Fig. 5 is a front view of the remote control device of fig. 1.

Fig. 6 is a control schematic diagram of a lifting device for maintenance in an embodiment of the present invention.

Description of reference numerals:

1. a car; 2. a lifting support; 3. a drive device; 101. a guide support arm; 102. a roller; 103. a safety lock; 104. a safety wire rope; 105. a limiting plate; 201. step on the rod; 202. a side bar; 203. a guide wheel; 204. a vertical rod; 205. a position detection device; 301. a rope collecting barrel; 4. a remote control device; 401. an indicator light; 402. a buzzer; 403. a rotary switch; 404. a raise button; 405. a down button; 406. a scram switch; 407. a power switch; 5. a hoisting cable; 6. a control button; 7. and a control device.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

A specific implementation manner of the lifting device for maintenance in this embodiment is as shown in fig. 1, and includes: lifting support 2, car 1 and drive arrangement 3. The lifting support 2 is a guiding ladder stand, and a plurality of rungs 201 used for people to climb up and down are arranged on the guiding ladder stand. The personnel of can being convenient for through this direction cat ladder overhaul from top to bottom along lifting support 2, perhaps work as the back of personnel's top escape from car 1, this direction cat ladder of accessible climbing upwards.

As shown in fig. 3, the car 1 is a closed car 1, the front surface of the closed car 1 is provided with an electric folding door, the top surface of the closed car is provided with an openable escape opening, and the car 1 is slidably connected with the lifting support 2. Specifically, guide support arms 101 are respectively provided on both sides of the upper and lower ends of the car 1, two rollers 102 are provided on each of the guide support arms 101 at a lateral interval, and the side bar 202 of the guide ladder is interposed between the two rollers 102. When the car 1 slides up and down along the guide ladder, the rollers 102 are supported on the side rods 202 of the guide ladder to roll, so that the sliding path of the car 1 is limited, the smoothness of the car 1 during sliding is improved, and the riding comfort of people in the car 1 is improved.

As shown in fig. 2, a guide wheel 203 is provided at the top end of the lifting bracket 2, a lifting rope 5 is connected to the car 1, the lifting rope 5 extends from the car 1 upward along the lifting bracket 2 to the guide wheel 203, and then the lifting rope 5 bypasses the guide wheel 203 and extends downward along the lifting bracket 2 toward the driving device 3. The driving device 3 is fixedly arranged at the bottom end of the lifting bracket 2, and the driving device 3 is used for providing traction force for the lifting rope 5. Because the driving device 3 is arranged separately from the car 1, a traveling cable does not need to be arranged to meet the requirement of movement of the driving device 3, and the instability of connection of the traveling cable is avoided. The hoisting ropes 5 are preferably wire ropes, which can also be described as working wire ropes.

As shown in fig. 4, a safety lock 103 is connected to the back of the car 1, a vertical safety steel wire rope 104 is arranged on the lifting device, two ends of the safety steel wire rope 104 are respectively connected to the upper end and the lower end of the lifting support 2, the safety steel wire rope 104 is in a tightening state, the safety lock 103 penetrates through the middle of the safety steel wire rope 104, and a safety device for preventing the car 1 from falling is formed by the safety lock 103 and the safety steel wire rope 104. When car 1 is driven and reciprocates along elevating gear, safety lock 103 reciprocates along with car 1, under normal condition, safety wire rope 104 can carry out relative slip in the safety lock 103, work as car 1 stall tenesmus leads to safety lock 103 and safety wire rope 104's relative velocity of movement when accelerating suddenly, safety lock 103 will safety wire rope 104 locks, thereby makes safety wire rope 104 pulls car 1, avoids car 1 to fall.

As shown in fig. 5, a remote control device 4 is provided in the car 1, the driving device 3 is driven by a control device 7, and the remote control device 4 is wirelessly connected to the driving device 3 by an electric signal. The remote control device 4 can control the start and stop of the driving device 3, and specifically, the remote control device 4 is provided with an indicator lamp 401, a buzzer 402, a rotary switch 403, a rise button 404, a fall button 405, an emergency stop switch 406 and a power switch 407. Whether the car 1 is in place is indicated through the indicating lamp 401, an alarm is given through the buzzer 402, a manual control mode and an automatic control mode can be selected through the change-over switch, the manual control mode is inching control, the automatic mode is self-locking control, the car 1 can ascend or descend by pressing the ascending button 404 or the descending button 405 after selection, the indicating lamp 401 is triggered to emit light for 3s and then is turned off after reaching a platform, the car 1 is controlled through the emergency stop switch 406 to be in emergency stop, and a power supply of the remote control device 4 is turned on or turned off through the power supply switch 407.

As shown in fig. 6, the electrical control schematic diagram of the lifting apparatus for overhaul according to the present embodiment is that in the lifting apparatus for overhaul according to the present embodiment, the control device 7 is configured to be connected to a power supply, and the control device 7 provides electric energy for the driving device 3, specifically, the control device 7 transmits the electric energy to a frequency converter, and the frequency converter provides electric energy for the driving device 3. When the frequency converter provides electric energy for the driving device 3, the energy supply which gradually reaches the maximum supply and gradually reduces the supply can be carried out, so that the smooth control of the driving device 3 is achieved, and the comfort of people in the car 1 is improved. In addition, the frequency converter can also feed back information for supplying energy to the driving device 3 to the control device 7, so that the running condition of the driving device 3 is monitored, the driving device 3 is prevented from being overloaded, and the running stability monitoring of the driving device 3 is improved. In addition, a weighing sensor is further arranged between the driving device 3 and the working steel wire rope, the weighing sensor is electrically connected with the control device 7, and the weighing sensor is used for detecting the lifting resistance of the car 1, so that the overload of the car 1 or the overload of the driving device 3 is avoided. Through the weighing sensor and through the dual monitoring to the monitoring of operating current or operating voltage of drive arrangement 3 to carry out dual protection to the security of car 1 operation, can avoid drive arrangement 3 to transship and damage simultaneously.

As shown in fig. 6, the security lock 103 is electrically connected to the remote control device 4, and the remote control device 4 is configured to receive the operation information of the security lock 103 and transmit the operation information of the security lock 103 to the controller. Thereby, the controller can control the driving device 3 in time conveniently. After the remote control device 4 receives the action of the safety lock 103, a buzzer 402 on the remote control device 4 is started, and the buzzer 402 warns outside people.

As shown in fig. 1, a control button 6 is similarly provided outside the car 1, and the control button 6 can similarly control the ascending, descending, and stopping of the car 1. The driving device 3 is arranged at the bottom of the lifting device, and the control device 7 is arranged at one side of the driving device 3. The driving device 3 is a friction type hoisting machine, and the hoisting rope 5 is inserted from the rope inlet end of the friction type hoisting machine, extends from the rope outlet end of the friction type hoisting machine, and extends towards the guide wheel 203 above after extending. A rope collecting barrel 301 is arranged at the rope inlet end of the friction type hoisting machine, and the part of the hoisting rope 5 which is not inserted into the friction type hoisting machine is coiled in the rope collecting barrel 301. The friction type elevator is internally provided with a driving wheel, after the lifting rope 5 extends into the friction type elevator, at least one circle of the lifting rope 5 is wound on the driving wheel, and the driving wheel drives the lifting rope 5 through friction force when rotating. This embodiment adopts friction formula lifting machine, compares with traditional hoist engine, can avoid work wire rope's receipts rope section to receive too much pressure to alleviate work wire rope's loss.

As shown in fig. 1, the rope winding barrel 301 is vertically arranged, one end of the rope winding barrel 301 facing upward is open, the opening faces the rope inlet end of the friction type hoist, and the bottom end of the rope winding barrel 301 is rotatably connected to the support through a bearing. During operation, can carry out automatic drive to receipts rope bucket 301 through work wire rope to coil work wire rope inside receipts rope bucket 301.

As shown in fig. 2, a vertical rod 204 is connected to a plurality of rungs 201 in the upper half of the guiding ladder, and the upper end of the safety wire 104 of the safety device is fixedly connected to the vertical rod 204. After the plurality of rungs 201 are connected by the vertical rods 204, the stability of the connection of the upper ends of the safety steel wire ropes 104 can be improved, thereby improving the safety of the car 1.

As shown in fig. 1, a position detecting device 205 is disposed on the lifting bracket 2, the position detecting device 205 is used for detecting the position of the car 1, the position detecting device 205 is connected to the control device 7 through an electric wire, and the control device 7 can automatically control the car to stop according to the detection information of the position detecting device 205, thereby realizing automation of car control. In addition, the detection information of the position detection device 205 can be transmitted to the remote control device 4 through the control device 7, and the remote control device 4 is provided with a flat layer display device and a sound alarm device. Specifically, the flat-layer display device is an indicator lamp 401, and the sound alarm device is a buzzer 402. As shown in fig. 3, a position-limiting plate 105 is provided at a corresponding position on the car 1 for cooperating with the position-detecting device 205, when the position-limiting plate 105 moves along with the car 1 to the position-detecting device 205, the position-detecting device 205 is triggered to send a signal to the control device 7, and then the control device 7 automatically controls the driving device 3 to stop driving according to the selection of the remote control device 4.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.

Claims

1. A lifting device for overhauling is characterized by comprising: the elevator car comprises a lifting support (2), a car (1) and a driving device (3), wherein the car (1) is connected to the lifting support (2) in a sliding mode, a lifting rope (5) is connected to the car (1), and the driving device (3) lifts the car (1) through the lifting rope (5);

further comprising: the control device (7) is electrically connected with the driving device (3), the control device (7) is suitable for being connected with a power supply, and the control device (7) is used for providing electric energy for the driving device (3);

further comprising: the remote control device (4) is arranged in the car (1), the remote control device (4) is in signal connection with the control device (7), and the control device (7) drives or stops driving the driving device (3) by receiving signals of the remote control device (4).

2. The lifting device for overhauling according to claim 1, wherein a position detection device (205) is arranged on the lifting bracket (2), the position detection device (205) is used for detecting the position of the car (1), the position detection device (205) is electrically connected with the control device (7), and the position detection device (205) is used for transmitting the position information of the car (1) to the control device (7).

3. The service lift device of claim 1, wherein the control device (7) is electrically connected to the drive device (3) via a frequency converter for receiving control signals from the control device (7) for supplying electrical energy to the drive device (3).

4. The service lift device of claim 3, wherein the frequency converter is also used to monitor the operating current and/or voltage of the drive means (3) and to transmit the monitoring information to the control means (7);

and/or a weighing sensor is further arranged between the driving device (3) and the lifting rope (5), and the weighing sensor is electrically connected with the control device (7).

5. The service lift device of claim 1, further comprising a safety, the safety comprising: the safety lock (103) is fixedly arranged on the car (1), the safety steel wire rope (104) penetrates through the safety lock (103), the safety steel wire rope (104) is vertically arranged along the lifting support (2), two ends of the safety steel wire rope (104) are respectively fixedly arranged, and in the process that the car (1) moves up and down, the safety lock (103) moves up and down along the safety steel wire rope (104);

the safety lock (103) allows the safety steel wire rope (104) to move relatively in the safety lock (103), and when the speed of the safety steel wire rope (104) moving relatively in the safety lock (103) is suddenly increased, the safety lock (103) can lock the safety steel wire rope (104).

6. The service lift device of claim 5, wherein the safety lock (103) is electrically connected to the remote control device (4), and the remote control device (4) is configured to receive the operation information of the safety lock (103) and transmit the operation information of the safety lock (103) to the controller.

7. The service lift device of claim 5, wherein the lift bracket (2) comprises: the direction cat ladder, have many rungs (201) that are used for supplying the people to climb from top to bottom on the direction cat ladder, be connected with montant (204) on many rungs (201) of the first half of direction cat ladder, the upper end fixed connection of safe wire rope (104) is in on montant (204).

8. The lifting device for overhauling as set forth in claim 7, wherein the car (1) is provided with guide support arms (101) on both sides thereof, the guide support arms (101) are provided with at least two rollers (102) arranged at a distance in the transverse direction, and the side bar (202) of the guide ladder is sandwiched between the two rollers (102).

9. The lifting equipment for overhaul according to any one of claims 1 to 8, wherein the driving device (3) is a friction type hoist, the hoisting rope (5) is inserted from a rope inlet end of the friction type hoist and then extends out from a rope outlet end of the friction type hoist, a rope collecting barrel (301) is arranged at the rope inlet end of the friction type hoist, and a part of the hoisting rope (5) which is not inserted into the friction type hoist is coiled in the rope collecting barrel (301).

10. The lifting device for overhauling as claimed in claim 9, wherein one end of the rope take-up drum (301) is opened towards the rope inlet end of the friction type lifter, and the other end of the rope take-up drum (301) is rotatably connected to the support through a bearing.