CN214570358U - Elevator control handle with Hall element - Google Patents

Abstract

The utility model discloses a lifting machine control handle with a Hall element, which comprises a main shaft provided with a lifting hook and a main base surrounding the periphery of the main shaft, wherein the main shaft is sleeved with a handle part in a sliding way, a magnetic steel component is fixed on the handle part, the main base is provided with a Hall component which is cut and sensed by the magnetic steel component, the Hall component can generate Hall potential, and the main base and the main shaft are indicated to move towards the sliding direction of the handle part; the main shaft is also provided with an elastic reset device acting on the handle part, and the magnetic steel component can be automatically centered on the Hall component after the external force is removed from the handle part. The lifting hook is used for loading and hanging heavy objects, the handle part is used for being held by a user for operation, a magnetic steel body is arranged in the magnetic steel assembly, a Hall element is arranged in the Hall assembly, the Hall assembly of the control handle is fixed in the longitudinal position of the main shaft, and the magnetic steel assembly is linked with the handle part. The utility model discloses structural configuration is reasonable, move dynamic obvious, lay the flexibility, can automatic centering hall element to handle portion.

Description

Elevator control handle with Hall element

Technical Field

The utility model belongs to hang heavy device field, concretely relates to take hall element's lifting machine brake valve lever.

Background

In the mechanical industry and daily life, people often need to carry out carrying work of heavy objects within a certain range, and in some cases, because the weight of the heavy objects is too large, the labor intensity of workers is high due to the adoption of a traditional manual mode, and the carrying efficiency is low, so that the heavy objects can be hoisted by means of a hoisting machine.

1. The traditional control method of the elevator is to press a button and add a contactor to control the motor to run or stop.

2. The control method of the frequency conversion elevator is button, software, frequency converter and frequency conversion motor, which not only can control the operation or stop of the motor, but also can control the rotating speed and the rotating speed variation curve of the motor, and carry out certain regular operation or grouping operation according to the set program. The upgraded version is controlled by a remote controller.

3. One of the control methods of the intelligent elevator is to control the operation, stop, direction, speed and acceleration of the servo motor by manually moving a handle on a control handle up and down. The human-computer interface is more friendly, intuitive, free and friendly. The other control method is suspension control for applying a guide force on a load.

4. On the signal conversion output of the 'handle' movement of the 'control handle' of the intelligent elevator, the existing methods comprise:

a. sensing the magnitude and direction of the control force through a gravity sensor;

b. sensing the magnitude and direction of the control force through a displacement sensor;

c. the magnitude and direction of the control force are sensed through the sliding potentiometer.

In the control mode in the step a, an operator does not have the hand feeling of moving the position of the handle. In b, displacement sensors of various principles are all supplied in a finished product state, the design of the 'control handle' has a plurality of output signals, shapes and space limitations, and the friction force among various parts of the finished product device can influence the centering and the standby of the 'control handle'. The sliding potentiometer in c cannot be correctly centered and stand by when the 'control handle' works due to the friction force between the moving parts of the sliding potentiometer.

Disclosure of Invention

The utility model aims to solve the technical problem to the current situation of above-mentioned prior art, and provide that structural configuration is reasonable, the handle portion moves obviously, lay nimble, can automatic centering hall element take hall element's lifting machine brake valve lever.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a lifting machine control handle with a Hall element comprises a main shaft and a main base, wherein the main shaft is provided with a lifting hook, the main base surrounds the periphery of the main shaft, the main shaft is sleeved with a handle part in a sliding manner, a magnetic steel assembly is fixed on the handle part, the main base is provided with the Hall assembly which is cut and induced by the magnetic steel assembly, and the Hall assembly can generate Hall potential and indicate a host and drive the main base and the main shaft to move towards the sliding direction of the handle part; the main shaft is also provided with an elastic reset device acting on the handle part, so that after the external force is removed from the handle part, the elastic reset device can reset the handle part and finally the magnetic steel assembly is automatically centered on the Hall assembly.

In order to optimize the technical scheme, the adopted measures further comprise:

the Hall assembly comprises a Hall element and a Hall support used for fixing the Hall element; the Hall support is provided with a first through hole sleeved on the main shaft and a guide pillar deviating from the main shaft body, and a mounting hole for inserting the guide pillar is formed in the main base.

The magnetic steel component comprises a magnetic steel support, a magnetic steel body fixed on the magnetic steel support, and a bent plate used for connecting the magnetic steel support and the handle portion, wherein the magnetic steel body faces the Hall element, and the magnetic steel support is provided with a second through hole which is arranged on the main shaft in a clearance sleeve mode.

The main shaft is provided with an expansion part, a gravity sensor is arranged below the expansion part, and a plane thrust bearing is arranged between the expansion part and the gravity sensor.

The gravity sensor is annular, and the center of the gravity sensor is provided with a third through hole which is sleeved on the main shaft; the Hall support comprises two parallel supporting sheets, and the first through hole is formed in the two supporting sheets.

The gravity sensor, the Hall element and the magnetic steel assembly are all positioned in the main base, and the main base is provided with an inlet and an outlet for moving the handle part.

The handle part is provided with a guide groove parallel to the main shaft, and the edges of the inlet and the outlet are provided with guide protrusions penetrating into the guide groove.

The handle part is provided with a hand sensing element; the lateral wall of magnet steel support is equipped with the standing groove that is used for the card to go into the magnet steel body, and the upper end of magnet steel support is equipped with the splint of pressing from both sides at the sliding ring tip, and the both sides outer wall of magnet steel support is equipped with the cell body of a perpendicular to main shaft respectively, and the bent plate is equipped with the fork portion of crossing and establishing in two cell bodies, is equipped with the sliding ring of cover on the main shaft in the second through-hole.

The elastic reset device comprises springs arranged at two ends of the handle part.

The main base comprises an upper suspension component connected with the steel wire rope and a middle suspension component used for accommodating the gravity sensor, the Hall element and the magnetic steel component, the upper suspension component is provided with an upper shaft part, the middle suspension component comprises a middle suspension part, the middle suspension part is fixed right above the gravity sensor, and a transverse pin is connected between the middle suspension part and the upper shaft part; and a rotary conductive assembly in sliding connection is arranged between the upper suspension assembly and the middle suspension assembly.

Compared with the prior art, the utility model discloses a take lifting machine control handle of hall element, including the main shaft that is equipped with the lifting hook, and enclose at the main base of main shaft periphery, the main shaft slip cover is equipped with handle portion, is fixed with the magnet steel assembly on the handle portion, is equipped with the hall assembly that receives the cutting response of magnet steel assembly on the main base, and hall assembly can produce hall electric potential, instructs the host computer and drives main base and main shaft to move to the gliding direction of handle portion; the main shaft is also provided with an elastic reset device acting on the handle part, and the magnetic steel component can be automatically centered on the Hall component after the external force is removed from the handle part. The lifting hook is used for loading and hanging heavy objects, the handle part is used for being held by a user for operation, a magnetic steel body is arranged in the magnetic steel assembly, a Hall element is arranged in the Hall assembly, the Hall assembly of the control handle is fixed in the longitudinal position of the main shaft, and the magnetic steel assembly is linked with the handle part. The utility model discloses structural configuration is reasonable, move dynamic obvious, lay the flexibility, can automatic centering hall element to handle portion.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the control handle and the main frame assembly of the present invention;

FIG. 2 is a schematic view of the handle portion of FIG. 1 in full section;

FIG. 3 is an exploded schematic view of FIG. 2;

FIG. 4 is an enlarged schematic view of the spindle, the handle portion, the Hall assembly, the magnetic steel assembly, etc. of FIG. 3;

FIG. 5 is an exploded schematic view of FIG. 4;

FIG. 6 is a schematic view of the complete structure of FIG. 4;

FIG. 7 is an exploded schematic view of FIG. 6;

FIG. 8 is an enlarged schematic view of the Hall assembly of FIG. 7;

FIG. 9 is an enlarged schematic view of the magnetic steel assembly of FIG. 7;

FIG. 10 is an exploded schematic view of FIG. 9;

FIG. 11 is a schematic view of the guide groove on the handle portion and the guide protrusion fitting structure of the inlet and outlet edges;

fig. 12 is an exploded view of the main base of fig. 3.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 12 are schematic structural views of the present invention.

Wherein the reference numerals are: the main machine 1, the spiral multi-core lead 16, the steel wire rope 17, the guide rail 18, the main base 2, the mounting hole 21, the inlet and outlet 22, the guide protrusion 221, the middle suspension component 23, the middle suspension part 231, the transverse pin 24, the upper suspension component 25, the upper shaft part 251, the rotary conductive component 26, the handle part 3, the guide groove 31, the hook 4, the main shaft 5, the enlarged part 51, the plane thrust bearing 52, the magnetic steel component 6, the magnetic steel body 61, the magnetic steel bracket 62, the second through hole 621, the groove body 622, the bent plate 63, the fork part 631, the clamping plate 64, the slip ring 65, the fourth through hole 651, the hall component 7, the hall element 71, the hall bracket 72, the support plate 721, the first through hole 723, the guide post 722, the elastic resetting device 8, the spring 81, the gravity sensor 9, and the third through hole 91.

Fig. 1 to 12 are schematic structural views of the present invention, as shown in fig. 1 to 7, the present invention relates to a control handle 3 of a hoist with a hall element, including a main shaft 5 provided with a hook 4, and a main base 2 surrounding the main shaft 5, wherein the main shaft 5 is slidably sleeved with a handle portion 3, a magnetic steel assembly 6 is fixed on the handle portion 3, the main base 2 is provided with a hall assembly 7 which is cut and sensed by the magnetic steel assembly 6, the hall assembly 7 can generate a hall potential, and the main base 1 is indicated and drives the main base 2 and the main shaft 5 to move towards the sliding direction of the handle portion 3; the main shaft 5 is also provided with an elastic reset device 8 acting on the handle part 3, so that after the external force is removed from the handle part 3, the elastic reset device 8 can reset the handle part 3, and finally the magnetic steel component 6 is automatically centered on the Hall component 7. A spiral multi-core lead 16 is connected between the main machine 1 and the main base 2, the main machine 1 can take up and pay off a steel wire rope 17, the main machine 1 is provided with a guide rail 18, the main machine 1 moves horizontally on the guide rail 18, and finally lifting and horizontal movement of the lifting hook 4 can be achieved. The magnetic steel component 6 moves relative to the Hall component 7 to generate a variable signal, the variable signal source is generated by non-contact, friction-free, automatic centering and standby and displacement, and the accurate centering and standby of the control handle 3 of the intelligent lifter are easily ensured while the requirement of operation control is met. The lifting machine is controlled to lift and release heavy objects through the up-and-down movement of the handle part 3, and the direction, the speed, the acceleration, the stop, the operation and the like of the operation of the main machine 1 can be realized through the control handle 3.

In the embodiment, as shown in fig. 8, the hall assembly 7 includes a hall element 71, and a hall bracket 72 for fixing the hall element 71; the hall bracket 72 is provided with a first through hole 723 which is sleeved on the main shaft 5 and a guide post 722 which deviates from the main shaft 5 body, the main base 2 is provided with a mounting hole 21 into which the guide post 722 is inserted, as shown in fig. 2 and 3, the hall assembly 7 can swing along with the main shaft 5 when swinging, at this time, the guide post 722 can slide in the mounting hole 21, but the hall bracket 72 can still be prevented from falling off from the mounting hole 21. The first through hole 723 is sleeved on the main shaft 5 to ensure that the transverse distance between the hall element 71 and the magnetic steel is constant, so that the misjudgment of the hall element 71 on the operation intention caused by the change of the magnetic field intensity due to the transverse swing of the main shaft 5 relative to the main base 2 when the device works in a loading state is avoided.

In the embodiment, as shown in fig. 9 and 10, the magnetic steel assembly 6 includes a magnetic steel bracket 62, a magnetic steel body 61 fixed on the magnetic steel bracket 62, and a bending plate 63 for connecting the magnetic steel bracket 62 and the handle portion 3, where the magnetic steel body 61 faces the hall element 71, and the magnetic steel bracket 62 is provided with a second through hole 621 which is sleeved on the main shaft 5 with a gap. When the handle portion 3 has artificial up-and-down movement, the relative positional relationship between the magnetic steel body 61 and the hall element 71 in the vertical direction changes. The handle portion 3 outputs a control signal. When the human intervention is cancelled, the hall element 71 and the magnetic steel body 61 are pressed by the upper and lower springs 81 to the lower part of the handle part 3, and then are restored to the middle centering position. The drive signal is not output and the standby state of the motor in the main body 1 is maintained.

In the embodiment, as shown in fig. 2 to 7, the main shaft 5 is provided with an enlarged portion 51, the gravity sensor 9 is provided below the enlarged portion 51, and a flat thrust bearing 52 is provided between the enlarged portion 51 and the gravity sensor 9. The addition of the gravity sensor 9 enables the control handle 3 to have a levitation control function. The suspension control function is that when a heavy object is suspended, a suspension function switching button on the main base 2 is pressed, a suspension tacit is achieved between the hoisting machine and the heavy object, and a servo motor of the main machine 1 receives a signal to act to provide an upward force equal to that of the heavy object. When a small upward or downward guiding force is applied to the handle part 3, the heavy object can follow the lifting according to the direction and the size of the guiding force. The larger the guiding force, the faster the running speed. The guiding force disappears, and the heavy object is suspended in the air, does not rise and does not fall.

In the embodiment, as shown in fig. 2 to 7, the gravity sensor 9 is annular, and a third through hole 91 for being sleeved on the main shaft 5 is formed in the center; the hall bracket 72 includes two parallel supporting pieces 721, the first through hole 723 is located on the two supporting pieces 721, and the magnetic steel bracket 62 is disposed between the two supporting pieces 721. The two supporting pieces 721 can ensure the distance between the hall element 71 and the magnetic steel body 61.

In the embodiment, as shown in fig. 2, the gravity sensor 9, the hall element 71, and the magnetic steel assembly 6 are all located in the main base 2, and the main base 2 is provided with the inlet/outlet 22 for moving the handle 3, as shown in fig. 3.

In the embodiment, as shown in fig. 11, the handle portion 3 is provided with a guide groove 31 parallel to the main shaft 5, the edge of the access 22 is provided with a guide protrusion 221 extending into the guide groove 31, and the guide protrusion 221 and the guide groove 31 are slidably engaged with each other to prevent the handle portion 3 from rotating.

In the embodiment, the handle part 3 is provided with a hand sensing element; as shown in fig. 9 and 10, the side wall of the magnetic steel bracket 62 is provided with a placing groove for being clamped into the magnetic steel body 61, the upper end of the magnetic steel bracket 62 is provided with a clamping plate 64 clamped at the end of the sliding ring 65, the outer walls of the two sides of the magnetic steel bracket 62 are respectively provided with a groove body 622 perpendicular to the main shaft 5, the bent plate 63 is provided with a fork portion 631 forked in the two groove bodies 622, and the second through hole 621 is provided with the sliding ring 65 sleeved on the main shaft 5; the groove body 622 is communicated with the second through hole 621, and the side wall of the slip ring 65 is provided with a plurality of fourth through holes 651.

In an embodiment, as shown in fig. 2 to 5, the elastic return means 8 comprises springs 81 arranged at both ends of the handle portion 3.

In an embodiment, as shown in fig. 12, the main base 2 includes an upper suspension assembly 25 connected to the wire rope 17, and a middle suspension assembly 23 for accommodating the gravity sensor 9, the hall element 71 and the magnetic steel assembly 6, the upper suspension assembly 25 is provided with an upper shaft portion 251, the middle suspension assembly 3 includes a middle suspension portion 231, the middle suspension portion 231 is connected directly above the gravity sensor 9, and a transverse pin 24 is connected between the middle suspension portion 231 and the upper shaft portion 251; a rotary conductive assembly 26 in sliding connection is arranged between the upper suspension assembly 25 and the middle suspension assembly 23. When a heavy object is hoisted, the lifting hook 4 and the main shaft 5 can swing and rotate, the middle suspension assembly 23 can rotate along with the main shaft 5, the steel wire rope can be twisted in the process of winding and unwinding, and the rotary conductive assembly 26 can prevent the upper suspension assembly 25 from rotating together with the middle suspension assembly 23.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by those skilled in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a take lifting machine brake valve lever of hall element, is including main shaft (5) that are equipped with lifting hook (4) to and be used for hanging main base (2) of main shaft (5), main base (2) hang and have wire rope (17), characterized by: the main shaft (5) is sleeved with a handle part (3) in a sliding mode, a magnetic steel assembly (6) is fixed on the handle part (3), a Hall assembly (7) which is cut and induced by the magnetic steel assembly (6) is arranged on the main base (2), and the Hall assembly (7) can generate Hall potential to indicate the main machine (1) and drive the main base (2) and the main shaft (5) to move towards the sliding direction of the handle part (3); the main shaft (5) is also provided with an elastic resetting device (8) acting on the handle part (3), so that after the external force is removed from the handle part (3), the elastic resetting device (8) can reset the handle part (3) and finally the magnetic steel component (6) is automatically centered on the Hall component (7).

2. The elevator control handle with hall element as set forth in claim 1, wherein: the Hall assembly (7) comprises a Hall element (71) and a Hall support (72) used for fixing the Hall element (71); the Hall support (72) is provided with a first through hole (723) sleeved on the main shaft (5) and a guide post (722) deviating from the main shaft (5) body, and the main base (2) is provided with a mounting hole (21) for the guide post (722) to be inserted into.

3. The elevator control handle with hall element as set forth in claim 2, wherein: magnetic steel assembly (6) include magnetic steel support (62), fix magnetic steel body (61) on magnetic steel support (62) to and bent plate (63) that are used for connecting magnetic steel support (62) and handle portion (3), magnetic steel body (61) towards hall element (71), magnetic steel support (62) be equipped with the second through-hole (621) that the clearance cover was established on main shaft (5).

4. The elevator control handle with hall element as set forth in claim 3, wherein: the main shaft (5) is provided with an expansion part (51), a gravity sensor (9) is arranged below the expansion part (51), and a plane thrust bearing (52) is arranged between the expansion part (51) and the gravity sensor (9).

5. The elevator control handle with hall element as set forth in claim 4, wherein: the gravity sensor (9) is annular, and the center of the gravity sensor is provided with a third through hole (91) which is used for being sleeved on the main shaft (5); the Hall support (72) comprises two parallel supporting sheets (721), and the first through hole (723) is positioned on the two supporting sheets (721).

6. The elevator control handle with hall element as set forth in claim 5, wherein: gravity sensor (9), hall element (71), magnet steel component (6) all be located main base (2) in, main base (2) be equipped with supply exit (22) that handle portion (3) removed.

7. The elevator control handle with hall element as set forth in claim 6, wherein: the handle part (3) is provided with a guide groove (31) parallel to the main shaft (5), and the edge of the inlet and outlet (22) is provided with a guide protrusion (221) penetrating into the guide groove (31).

8. The elevator control handle with hall element as set forth in claim 7, wherein: a hand sensing element is arranged on the handle part (3); the lateral wall of magnet steel support (62) be equipped with the standing groove that is used for the card to go into magnet steel body (61), the upper end of magnet steel support (62) be equipped with splint (64) of pressing from both sides at sliding ring (65) tip, the both sides outer wall of magnet steel support (62) be equipped with a perpendicular to respectively the cell body (622) of main shaft (5), bent plate (63) be equipped with fork portion (631) of crossing and establishing in two cell bodies (622), second through-hole (621) in be equipped with sliding ring (65) of cover on main shaft (5).

9. The elevator control handle with hall element as set forth in claim 8, wherein: the elastic reset device (8) comprises springs (81) arranged at two ends of the handle part (3).

10. The elevator control handle with hall element as claimed in any one of claims 1 to 9 wherein: the main base (2) comprises an upper suspension assembly (25) connected with a steel wire rope (17) and a middle suspension assembly (23) used for accommodating a gravity sensor (9), a Hall element (71) and a magnetic steel assembly (6), the upper suspension assembly (25) is provided with an upper shaft part (251), the middle suspension assembly (23) comprises a middle suspension part (231), and a transverse pin (24) is connected between the middle suspension part (231) and the upper shaft part (251); a rotary conductive component (26) in sliding connection is arranged between the upper suspension component (25) and the middle suspension component (23).

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