CN214141357U

CN214141357U - Electric hoist with overload protection mechanism

Info

Publication number: CN214141357U
Application number: CN202121859874.4U
Authority: CN
Inventors: 朱红梅; 李相兴
Original assignee: Henan Bast Hoisting Machinery Co ltd
Current assignee: Henan Bast Hoisting Machinery Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-09-07
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses an electric block with overload protection mechanism relates to electric block technical field. Including the body and the motor of setting in the body inside, the inside of body is provided with the coiling mechanism, the inside of body is provided with the protection device who prevents overload, the bottom of coiling mechanism is provided with the driven subassembly that prevents the gear striking, the bottom of coiling mechanism is fixed with spring D, spring D's bottom is fixed on the inner wall of body, the motor is fixed with spring C's one end, spring C's the other end is fixed on the inner wall of body, protection device includes the rectangle frame, the rectangle frame is fixed on the inner wall of body, the rectangle frame is run through by the output shaft of motor, the output shaft and the dwang of motor are fixed. Through the protection device who sets up can be when hoisting overloaded article, can separate the output shaft and the coiling mechanism of motor, can effectually avoid the motor to damage, cause the loss.

Description

Electric hoist with overload protection mechanism

Technical Field

The utility model relates to an electric block technical field specifically is an electric block with overload protection mechanism.

Background

The electric hoist is a special lifting equipment, is installed on overhead traveling cranes and gantry cranes, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage, docks and the like.

When the existing electric hoist is used and used for hoisting overloaded objects, the motor cannot be separated from the hoisting device in time, so that the motor is easily damaged, and unnecessary loss is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an electric block with overload protection mechanism has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an electric block with overload protection mechanism, includes the body and sets up the motor in the body inside, the inside of body is provided with the coiling mechanism, the inside of body is provided with the protection device who prevents the overload, the bottom of coiling mechanism is provided with the driven assembly who prevents the gear striking, the bottom of coiling mechanism is fixed with spring D, spring D's bottom is fixed on the inner wall of body, the motor is fixed with spring C's one end, spring C's the other end is fixed on the inner wall of body.

Preferably, protection device includes the rectangle frame, the rectangle frame is fixed on the inner wall of body, the rectangle frame is run through by the output shaft of motor, the output shaft and the dwang of motor are fixed, the dwang runs through gear A and is fixed with gear A, the rectangle frame is run through by the output shaft of coiling mechanism, the output shaft and the gear B of coiling mechanism are fixed, be fixed with the stopper on the inner wall of rectangle frame.

Preferably, the driven subassembly includes the bracing piece, the bottom at the coiling mechanism is fixed at the top of bracing piece, the bracing piece runs through the top of loop bar, the bottom of loop bar is fixed on the inner wall of body, the bottom and the spring A of bracing piece are fixed, the bottom of spring A is fixed on the inner wall of loop bar.

Preferably, the driven subassembly is still including the inserted bar, the inserted bar runs through the left side of loop bar, the inserted bar is fixed with spring B's one end, spring B's the other end is fixed on the loop bar, the inserted bar is articulated with the one end of branch, the other end and the motor of branch are articulated.

Preferably, the rectangular frame is provided with a transverse rectangular through hole and a vertical rectangular through hole.

Preferably, the top of the limiting block is provided with a groove, and the inner side of the groove in the top of the limiting block is provided with a latch.

(III) advantageous effects

The utility model provides an electric block with overload protection mechanism. The method has the following beneficial effects:

(1) this electric block with overload protection mechanism can separate the output shaft and the coiling mechanism of motor when hoisting overloaded article through the protection device who sets up, can effectually avoid the motor to damage, causes the loss.

(2) This electric block with overload protection mechanism through the driven subassembly that sets up, when can guaranteeing the output shaft and the coiling mechanism separation of motor, can not take place the striking with gear B with gear A that the motor is connected, causes gear wear, influences the use.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of the present invention A;

FIG. 3 is a schematic sectional top view of the present invention;

FIG. 4 is a schematic view of the side view structure of the rectangular frame of the present invention;

fig. 5 is a schematic view of the sliding groove structure of the inner wall of the body of the present invention.

In the figure: 1. a body; 2. a motor; 3. a winding device; 4. a protection device; 41. a rectangular frame; 42. rotating the rod; 43. a gear A; 44. a gear B; 45. a limiting block; 5. a driven assembly; 51. a support bar; 52. a loop bar; 53. a spring A; 54. inserting a rod; 55. a spring B; 56. a strut; 6. a spring C; 7. and a spring D.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an electric hoist with an overload protection mechanism comprises a body 1 and a motor 2 arranged inside the body 1, wherein a winding device 3 is arranged inside the body 1, a sliding groove for enabling the winding device 3 to move up and down is formed in the inner wall of the body 1, and further the winding device 3 is ensured not to shake, and the gear A43 and the gear B44 can be normally meshed, the motor 2 and the winding device 3 are both slidably mounted on the inner wall of the body 1, and a spring C6 and a spring D7 can deform only under the action of a large external force, so that the normal meshing of the gear A43 and the gear B44 can not be influenced during normal use, a protection device 4 for preventing overload is arranged inside the body 1, a driven component 5 for preventing gear collision is arranged at the bottom of the winding device 3, a spring D7 is fixed at the bottom of the winding device 3, the bottom of the spring D7 is fixed on the inner wall of the body 1, the motor 2 is fixed with one end of a spring C6, the other end of the spring C6 is fixed on the inner wall of the body 1, the protection device 4 comprises a rectangular frame 41, the rectangular frame 41 is fixed on the inner wall of the body 1, the rectangular frame 41 is penetrated through by the output shaft of the motor 2, the output shaft of the motor 2 is fixed with a rotating rod 42, the rotating rod 42 penetrates through a gear A43 and is fixed with a gear A43, the rectangular frame 41 is penetrated through by the output shaft of a winding device 3, the output shaft of the winding device 3 is fixed with a gear B44, a limiting block 45 is fixed on the inner wall of the rectangular frame 41, a transverse rectangular through hole and a vertical rectangular through hole are arranged on the rectangular frame 41, the output shaft of the motor 2 can drive the rotating rod 42 and the gear A43 to move left and right on the rectangular frame 41, the output shaft of the winding device 3 can drive the gear B44 to move up and down, a groove is arranged at the top of the limiting block 45, a blocking tooth is arranged on the inner side of the groove at the top of the limiting block 45, stopper 45 is through the latch that the top set up, can be spacing gear B44, the article of avoiding hoisting fall subaerial fast, cause the damage, driven subassembly 5 includes bracing piece 51, the bottom at coiling mechanism 3 is fixed at the top of bracing piece 51, bracing piece 51 runs through the top of loop bar 52, the bottom of loop bar 52 is fixed on the inner wall of body 1, the bottom of bracing piece 51 is fixed with spring A53, the bottom of spring A53 is fixed on the inner wall of loop bar 52, inserted bar 54 runs through the left side of loop bar 52, inserted bar 54 is fixed with the one end of spring B55, the other end of spring B55 is fixed on loop bar 52, inserted bar 54 is articulated with the one end of branch 56, the other end of branch 56 is articulated with motor 2, the scarf has been seted up on the right side of inserted bar 54, when bracing piece 51 moves down, can promote inserted bar 54 leftwards.

In operation (or during the use), when body 1 hoists overloaded article, coiling mechanism 3 atress downstream, extrusion bracing piece 51, make bracing piece 51 downstream promote inserted bar 54 left, inserted bar 54 promotes motor 2 forward movement through branch 56, motor 2 drives dwang 42 and gear A43 forward movement and gear B44 thoroughly separate, coiling mechanism 3 drives gear B44 and continues the downstream, gear B44 falls into the recess at stopper 45 top, gear B44 is blocked by the latch, and then make coiling mechanism 3 can not continue to rotate, and then make the overloaded article of hoist can not fall fast.

After the coiling mechanism 3 is blocked, take off the article that transships, under the effect of spring D7, coiling mechanism 3 moves upward and resets, after coiling mechanism 3 resets completely, bracing piece 51 moves upward under the effect of spring A53 and resets, under the effect of spring B55, inserted bar 54 moves right and resets, inserted bar 54 pulls motor 2 through branch 56 and moves backward, because motor 2 slidable mounting is inside body 1, and then motor 2 can move backward under the effect of cooperation spring C6 and reset. When the winding device 3 returns, the winding device 3 can reset the motor 2 after resetting to a certain degree, and further the motor 2 cannot be damaged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric block with overload protection mechanism, includes body (1) and sets up motor (2) inside body (1), the inside of body (1) is provided with coiling mechanism (3), its characterized in that: the inside of body (1) is provided with protection device (4) that prevent overload, the bottom of coiling mechanism (3) is provided with driven subassembly (5) that prevent the gear striking, the output shaft of coiling mechanism (3) runs through the right side of protection device (4), the bottom of coiling mechanism (3) is fixed with spring D (7), the bottom of spring D (7) is fixed on the inner wall of body (1), motor (2) are fixed with the one end of spring C (6), the other end of spring C (6) is fixed on the inner wall of body (1).

2. An electric block with an overload protection mechanism according to claim 1, wherein: protection device (4) are including rectangle frame (41), rectangle frame (41) are fixed on the inner wall of body (1), rectangle frame (41) are run through by the output shaft of motor (2), the output shaft and dwang (42) of motor (2) are fixed, dwang (42) run through gear A (43) and fixed with gear A (43), rectangle frame (41) are run through by the output shaft of coiling mechanism (3), the output shaft and gear B (44) of coiling mechanism (3) are fixed, be fixed with spacing piece (45) on the inner wall of rectangle frame (41).

3. An electric block with an overload protection mechanism according to claim 1, wherein: driven subassembly (5) include bracing piece (51), the bottom at coiling mechanism (3) is fixed at the top of bracing piece (51), the top of loop bar (52) is run through in bracing piece (51), the bottom of loop bar (52) is fixed on the inner wall of body (1), the bottom and spring A (53) of bracing piece (51) are fixed, the bottom of spring A (53) is fixed on the inner wall of loop bar (52).

4. An electric block with an overload protection mechanism according to claim 3, wherein: driven subassembly (5) are still including inserted bar (54), inserted bar (54) run through the left side of loop bar (52), inserted bar (54) are fixed with the one end of spring B (55), the other end of spring B (55) is fixed on loop bar (52), inserted bar (54) are articulated with the one end of branch (56), the other end and motor (2) of branch (56) are articulated.

5. An electric block with an overload protection mechanism according to claim 2, wherein: the rectangular frame (41) is provided with a transverse rectangular through hole and a vertical rectangular through hole.

6. An electric block with an overload protection mechanism according to claim 2, wherein: the top of the limiting block (45) is provided with a groove, and the inner side of the groove in the top of the limiting block (45) is provided with a latch.