CN217201810U

CN217201810U - Closed-loop protection control system for hoisting and moving device

Info

Publication number: CN217201810U
Application number: CN202220604563.1U
Authority: CN
Inventors: 李克强; 李念民; 陈兆文
Original assignee: Tengzhou Sanrun Heavy Industry Machinery Co Ltd
Current assignee: Tengzhou Sanrun Heavy Industry Machinery Co Ltd
Priority date: 2022-03-19
Filing date: 2022-03-19
Publication date: 2022-08-16
Anticipated expiration: 2032-03-19

Abstract

The utility model relates to the technical field of protection devices, in particular to a hang and move closed loop protection control system for device, it catches the material through the lifting hook on the lifting hook casing, later open the motor, through sprocket drive, make the chain operation, go up and down to the lifting hook casing, adjust the position of material, later when the chain appears the card pause, the guide pulley frame right part upwards or slides downwards, trigger travel switch part, make to form switch part control motor and close, later when the other end of chain moves to the bottom of guide pulley frame, carry on spacing through the chain stopper, and trigger travel switch part equally, control motor and close, thereby reduce the fault rate of equipment, reduce the appearance of major safety accident, improve the security of equipment; the lifting hook comprises a gear box part and a travel switch part, wherein the travel switch part is arranged on the gear box, the gear box part drives the lifting hook, and the travel switch part protects the gear box.

Description

Hang and move closed loop protection control system for device

Technical Field

The utility model relates to a protection device's technical field especially relates to a hang and move device and use closed-loop protection control system.

Background

The protection device limits or prevents some dangerous movement of the machine through the structural function of the protection device, or limits dangerous factors such as movement speed, stroke, load, power loss and the like, so as to prevent the dangerous occurrence or reduce the risk. The overload protection device is one of safety devices, is usually installed between the driving and driven parts of the power transmission, and when an overload fault occurs (the torque exceeds a set value), the torque limiter is separated, so that the driving machine and the load are effectively protected. The hoisting and moving device is used for hoisting and moving the blowout preventer in the oil field, works in severe environments such as overtime, slurry pollution, corrosion and the like for a long time, is standby for a long time, is short of maintenance, and causes shutdown or even production halt due to equipment failure, so that serious economic loss can be caused.

In the prior art, a transmission chain of a hoisting and moving device is not provided with a protection control device, only a motor drives a transmission system to realize hoisting and moving, when the chain is blocked due to foreign matters, corrosion, overlarge hoisting and moving angle deflection, self manufacturing errors of the chain and the like, the protection control system is not provided, and faults such as car holding, tooth punching, falling of a blowout preventer and the like are easily caused. In actual operation, the operator concentrates on observing the preventer steadily and adjusts the condition well, can not observe the hanging and move the device behavior by accident, it hangs and moves the device and hangs the difficulty of observing at the eminence in addition, when taking place the chain card pause, can cause the hanging to move the device and hold back the car suddenly, easily cause the damage faults such as gear beating, chain damage, the axle is unusual crooked, hold back the car, cause the transmission gear large tracts of land to beat the tooth damage when serious, it is uncontrolled to hang and move the device, the preventer falls, cause major safety accident, consequently, need improve current equipment.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a hang the material through the lifting hook on the lifting hook casing, later open the motor, through sprocket feed, make the chain operation, go up and down to the lifting hook casing, adjust the position of material, later when the card pause or pause appears in the chain, the guide wheel frame right part upwards or the lapse, trigger travel switch part, make the switch part control motor that forms close, later when the other end at the chain removes the bottom to the guide wheel frame, carry on spacingly through the chain stopper to the chain, and trigger travel switch part equally, the control motor is closed, thereby reduce the fault rate of equipment, reduce the appearance of major incident, improve the safety of equipment one kind and hang and move device and use closed-loop protection control system.

The utility model discloses a hang and move closed loop protection control system for device, including gear box part and travel switch part, travel switch part installs on the gear box, the said gear box part drives the lifting hook, travel switch part protects the gear box;

the gearbox part comprises a gearbox, a chain wheel, a guide wheel frame, a first hinge, a chain limiting block, a chain box and a motor, wherein the motor is arranged at the rear part of the gearbox, a hook shell is hung below the gearbox through the chain, a hook is arranged on the hook shell, the chain box is arranged at the bottom of the gearbox, the chain wheel is arranged in the gearbox, the motor is in transmission connection with the chain wheel, two groups of fixed ends of the guide wheel frame are movably arranged at the bottom of the gearbox through the first hinge and a second hinge respectively, one end of the chain extends into the gearbox from the right part of the bottom end of the guide wheel frame, then extends out from the left part of the bottom end of the guide wheel frame by bypassing the chain wheel and is fixedly arranged at the bottom of the gearbox, the chain is in meshed connection with the chain wheel, and the other end of the chain is connected with the residual chain in the chain box through the chain limiting block;

the material is hung through the lifting hook on the lifting hook casing, later open the motor, through sprocket drive, make the chain operation, go up and down to the lifting hook casing, adjust the position of material, later when the card pause appears in the chain, the guide pulley frame right part upwards or downward slip, trigger the travel switch part, make to form switch part control motor and close, later when the other end at the chain removes the bottom to the guide pulley frame, carry out spacingly through the chain stopper to the chain, and trigger the travel switch part equally, the control motor is closed, thereby reduce the fault rate of equipment, reduce the appearance of major safety accident, improve equipment's security.

Preferably, the travel switch part comprises a screw rod, a first locking nut, an upper switch bracket, a plurality of groups of first screws, an upper mounting plate, an upper gland, a compression spring, a lower gland, a lower switch bracket, a lower mounting plate, a plurality of groups of hexagon nuts, a second locking nut, a U-shaped barrel, a lower travel switch, an upper travel switch, a shaft clamp and a third hinge, the lower mounting plate is mounted at the side end of the gear box, the compression spring is mounted at the middle part of the screw rod through the first locking nut and the second locking nut, the U-shaped barrel is mounted at the bottom of the screw rod, the plurality of groups of first screws penetrate through the upper mounting plate and the lower mounting plate, the lower mounting plate and the upper mounting plate are slidably mounted with the plurality of groups of first screws, the plurality of groups of hexagon nuts are respectively and threadedly mounted at the bottom of the plurality of groups of first screws to limit the plurality of groups of first screws, the upper switch bracket is mounted between the upper mounting plate and the compression spring, the lower switch bracket is arranged between the lower mounting plate and the compression spring, the lower travel switch and the upper travel switch are both arranged at the side end of the gear box, the U-shaped threaded sleeve is rotatably arranged at the right end of the guide wheel frame through a third hinge, and the shaft clamp limits the third hinge; when the right part of the guide wheel frame slides upwards or downwards, the compression spring is contracted, the upper switch bracket presses the lower travel switch, or the lower switch bracket presses the upper travel switch, and the motor is controlled to be turned off, so that the practicability of the equipment is improved.

Preferably, a certain frame amount is reserved on the left side and the right side of the fixed end of the left part of the guide wheel frame, and a certain frame amount is reserved above and below the fixed end of the right part of the guide wheel frame; the right part of the guide wheel frame can slide upwards or downwards conveniently to trigger the travel switch part, so that the practicability of the equipment is improved.

Preferably, the top end of the chain box is fixedly arranged at the bottom end of the gear box through a plurality of groups of small chains; make things convenient for the staff according to actual conditions, adjust the height of chain case to improve equipment's convenience.

Preferably, the gear box further comprises a guide wheel, the guide wheel is rotatably mounted inside the gear box, and the guide wheel is positioned at the lower right of the chain wheel; the chain is walked around by the right-hand member of sprocket, extrudees the chain left through the guide pulley, and is spacing to the chain, reduces the friction of chain and guide pulley frame to improve equipment's practicality.

Preferably, the chain limiting block is connected with the rest chains in the chain box through a second screw; the chain limiting block is convenient to install and detach, and therefore the convenience of equipment is improved.

Preferably, the screw driver further comprises a plurality of groups of spacer bushes which are respectively sleeved on the plurality of groups of first screws; the first screws of the multiple groups are protected through the multiple groups of spacer sleeves respectively, the influence of the surrounding environment on the first screws of the multiple groups is reduced, and therefore the practicability of the equipment is improved.

Preferably, the device also comprises an upper gland and a lower gland, wherein the upper gland is arranged between the compression spring and the upper switch bracket, and the lower gland is arranged between the compression spring and the lower switch bracket; the friction between the compression spring and the upper switch support and the friction between the compression spring and the lower switch support are reduced, and therefore the practicability of the device is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the material is hung through the lifting hook on the lifting hook casing, later open the motor, through sprocket drive, make the chain operation, go up and down to the lifting hook casing, adjust the position of material, later when the card pause appears in the chain, the guide pulley frame right part upwards or downward slip, trigger the travel switch part, make to form switch part control motor and close, later when the other end at the chain removes the bottom to the guide pulley frame, carry out spacingly through the chain stopper to the chain, and trigger the travel switch part equally, the control motor is closed, thereby reduce the fault rate of equipment, reduce the appearance of major safety accident, improve equipment's security.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic diagram of the right-side structure of the present invention;

FIG. 3 is an enlarged schematic view of the travel switch of the present invention in an upper limit state;

fig. 4 is an enlarged schematic structural view of the travel switch part in the lower limit state of the present invention;

in the drawings, the reference numbers: 1. a gear case; 2. a chain; 3. a sprocket; 4. a guide wheel frame; 5. a first hinge; 6. a hook housing; 7. a guide wheel; 8. a screw; 9. a first lock nut; 10. an upper switch bracket; 11. a first screw; 12. an upper mounting plate; 13. a gland is arranged; 14. a spacer sleeve; 15. a compression spring; 16. a lower gland; 17. a lower switch bracket; 18. a lower mounting plate; 19. a hexagonal nut; 20. a second lock nut; 21. a U-shaped threaded sleeve; 22. a second hinge; 23. a second screw; 24. a chain stopper; 25. a chain case; 26. a lower travel switch; 27. an upper travel switch; 28. a motor; 29. shaft clamping; 30. and a third hinge.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 to 4, the lifting hook comprises a gear box part and a travel switch part, wherein the travel switch part is arranged on the gear box, the gear box part drives the lifting hook, and the travel switch part protects the gear box;

the gearbox part comprises a gearbox 1, a chain 2, a chain wheel 3, a guide wheel frame 4, a first hinge 5, a chain limiting block 24, a chain box 25 and a motor 28, the motor 28 is installed at the rear part of the gearbox 1, a hook shell 6 is hung below the gearbox 1 through the chain 2, a hook is arranged on the hook shell 6, the top end of the chain box 25 is fixedly installed at the bottom end of the gearbox 1 through a plurality of groups of small chains, the chain wheel 3 is installed in the gearbox 1, the motor 28 is in transmission connection with the chain wheel 3, two groups of fixed ends of the guide wheel frame 4 are movably installed at the bottom of the gearbox 1 through the first hinge 5 and the second hinge 22 respectively, a fixed frame amount is reserved on the left side and the right side of the fixed end of the left part of the guide wheel frame 4, a fixed frame amount is reserved above and below the fixed end of the right part of the guide wheel frame 4, one end of the chain 2 extends into the gearbox 1 from the right part of the bottom end of the guide wheel frame 4, the chain wheel 3 is wound, extends out of the left part of the bottom end of the guide wheel frame 4 and is fixedly arranged at the bottom of the gear box 1, the chain 2 is meshed with the chain wheel 3, and the other end of the chain 2 is connected with the residual chain in the chain box 25 through a chain limiting block 24;

the travel switch part comprises a screw rod 8, a first locking nut 9, an upper switch support 10, a plurality of groups of first screws 11, an upper mounting plate 12, an upper gland 13, a compression spring 15, a lower gland 16, a lower switch support 17, a lower mounting plate 18, a plurality of groups of hexagon nuts 19, a second locking nut 20, a U-shaped screw sleeve 21, a lower travel switch 26, an upper travel switch 27, a shaft clamp 29 and a third hinge 30, wherein the lower mounting plate 18 is mounted at the side end of the gear box 1, the compression spring 15 is mounted at the middle part of the screw rod 8 through the first locking nut 9 and the second locking nut 20, the U-shaped screw sleeve 21 is mounted at the bottom of the screw rod 8, the plurality of groups of first screws 11 penetrate through the upper mounting plate 12 and the lower mounting plate 18, the lower mounting plate 18 and the upper mounting plate 12 are slidably mounted with the plurality of groups of first screws 11, the plurality of groups of hexagon nuts 19 are respectively and threadedly mounted at the bottom of the plurality of groups of first screws 11 to limit the plurality of groups of first screws 11, the upper switch bracket 10 is arranged between the upper mounting plate 12 and the compression spring 15, the lower switch bracket 17 is arranged between the lower mounting plate 18 and the compression spring 15, the lower travel switch 26 and the upper travel switch 27 are both arranged at the side end of the gear box 1, the U-shaped threaded sleeve 21 is rotatably arranged at the right end of the guide wheel frame 4 through a third hinge 30, and the shaft clamp 29 limits the third hinge 30;

the guide wheel 7 is rotatably arranged inside the gear box 1, the guide wheel 7 is positioned at the lower right side of the chain wheel 3, and a plurality of groups of spacer bushes 14 are sleeved on a plurality of groups of first screws 11 respectively;

the material is hung by the hook on the hook shell 6, then the motor 28 is opened, the chain 2 is driven by the chain wheel 3 to run, the hook shell 6 is lifted, the position of the material is adjusted, then when the chain 2 is clamped, the right part of the guide wheel frame 4 slides upwards or downwards, the lower travel switch 26 is pressed by the upper switch bracket 10 or the upper travel switch 27 is pressed by the lower switch bracket 17, the motor 28 is controlled to be closed, then when the other end of the chain 2 moves to the bottom end of the guide wheel frame 4, the chain 2 is limited by the chain limiting block 24, and the travel switch part is also triggered, the motor 28 is controlled to be closed, so that the failure rate of the equipment is reduced, the occurrence of serious safety accidents is reduced, and the safety of the equipment is improved.

The utility model discloses the main function who realizes does: the motor is controlled to supply air through the travel switch, so that automatic protection shutdown of chain jamming is realized, and closed-loop protection control of the hoisting and moving device is realized; meanwhile, the guide wheel pushing chain smoothly enters the guide wheel frame according to a design angle; the guide wheel frame swings up and down around the hinge point; the protection device capable of adjusting the back pressure can not stop frequently due to slight chain blockage; a locking nut on the screw rod adjusts the position of the guide wheel frame; the push rod can be rustproof and lubricated for a long time and can be reliably failed for a long time by a travel switch in a compression state; the utility model can also be used for the reconstruction of the existing hoisting and moving device, and the closed-loop protection control system is added under the condition that the existing device is not greatly changed; the device has the advantages of small volume, flexible action, adjustable supporting force, high reliability, convenient installation and maintenance, easy mass production and manufacture and the like.

The utility model discloses a hang and move closed loop protection control system for device, its mounting means, connected mode or setting mode are common mechanical type, as long as can reach its beneficial effect all can implement; the utility model discloses a hang and move device with closed-loop protection control system's motor 28 for purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A closed-loop protection control system for a hoisting and moving device is characterized by comprising a gear box part and a travel switch part, wherein the travel switch part is arranged on the gear box, the gear box part drives a lifting hook, and the travel switch part protects the gear box;

the gearbox part comprises a gearbox (1), a chain (2), a chain wheel (3), a wheel guide frame (4), a first hinge (5), a chain limiting block (24), a chain box (25) and a motor (28), wherein the motor (28) is installed at the rear part of the gearbox (1), a hook shell (6) is hung below the gearbox (1) through the chain (2), a hook is arranged on the hook shell (6), the chain box (25) is installed at the bottom of the gearbox (1), the chain wheel (3) is installed inside the gearbox (1), the motor (28) is in transmission connection with the chain wheel (3), two groups of fixed ends of the wheel guide frame (4) are movably installed at the bottom of the gearbox (1) through the first hinge (5) and the second hinge (22), one end of the chain (2) extends into the gearbox (1) from the right part of the bottom end of the wheel guide frame (4), and then the chain wheel (3) is bypassed, the left part of the bottom end of the guide wheel frame (4) extends out and is fixedly arranged at the bottom of the gear box (1), the chain (2) is meshed with the chain wheel (3), and the other end of the chain (2) is connected with the residual chain in the chain box (25) through a chain limiting block (24).

2. The closed-loop protection control system for the hoisting device according to claim 1, wherein the travel switch part comprises a screw rod (8), a first lock nut (9), an upper switch bracket (10), a plurality of sets of first screws (11), an upper mounting plate (12), an upper gland (13), a compression spring (15), a lower gland (16), a lower switch bracket (17), a lower mounting plate (18), a plurality of sets of hexagon nuts (19), a second lock nut (20), a U-shaped screw sleeve (21), a lower travel switch (26), an upper travel switch (27), a shaft clamp (29) and a third hinge (30), the lower mounting plate (18) is mounted at the side end of the gear box (1), the compression spring (15) is mounted at the middle part of the screw rod (8) through the first lock nut (9) and the second lock nut (20), the U-shaped screw sleeve (21) is mounted at the bottom of the screw rod (8), the multiple groups of first screws (11) penetrate through the upper mounting plate (12) and the lower mounting plate (18), the lower mounting plate (18) and the upper mounting plate (12) are slidably mounted with the multiple groups of first screws (11), multiple groups of hexagon nuts (19) are respectively installed at the bottoms of the multiple groups of first screws (11) in a threaded mode, the multiple groups of first screws (11) are limited, the upper switch support (10) is installed between the upper mounting plate (12) and the compression spring (15), the lower switch support (17) is installed between the lower mounting plate (18) and the compression spring (15), the lower travel switch (26) and the upper travel switch (27) are installed at the side end of the gear box (1), the U-shaped threaded sleeve (21) is rotatably installed at the right end of the guide wheel frame (4) through a third hinge (30), and the shaft clamp (29) limits the third hinge (30).

3. The closed-loop protection control system for the lifting device according to claim 1, wherein a fixed frame amount is reserved on the left side and the right side of the fixed end of the left part of the guide wheel frame (4), and a fixed frame amount is reserved above and below the fixed end of the right part of the guide wheel frame (4).

4. A closed loop protection control system for a lifting device according to claim 1, characterized in that the top end of the chain case (25) is fixedly mounted at the bottom end of the gear case (1) by a plurality of groups of small chains.

5. A closed loop protection control system for a lifting device according to claim 1, further comprising a guide wheel (7), wherein the guide wheel (7) is rotatably mounted inside the gear box (1), and the guide wheel (7) is located at the lower right of the chain wheel (3).

6. A closed loop protection control system for a lifting device according to claim 1, characterized in that the chain stopper (24) is connected to the remaining chain in the chain case (25) by means of a second screw (23).

7. The closed-loop protection control system for the hoisting device according to claim 2, further comprising a plurality of sets of spacers (14), wherein the plurality of sets of spacers (14) are respectively sleeved on the plurality of sets of first screws (11).

8. The closed-loop protection control system for the hoisting device according to claim 2, further comprising an upper gland (13) and a lower gland (16), wherein the upper gland (13) is installed between the compression spring (15) and the upper switch bracket (10), and the lower gland (16) is installed between the compression spring (15) and the lower switch bracket (17).