CN215558471U - Double-brake stage electric hoist - Google Patents
Double-brake stage electric hoist Download PDFInfo
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- CN215558471U CN215558471U CN202121937112.1U CN202121937112U CN215558471U CN 215558471 U CN215558471 U CN 215558471U CN 202121937112 U CN202121937112 U CN 202121937112U CN 215558471 U CN215558471 U CN 215558471U
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- electric hoist
- shell main
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- chain
- hoist shell
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Abstract
The utility model relates to the technical field of electric hoists and discloses a double-brake stage electric hoist which comprises two electric hoist shell main bodies, wherein the two electric hoist shell main bodies are fixedly connected with each other, a chain bag is suspended below the two electric hoist shell main bodies through a rope, an in-and-out hanging chain is arranged inside the chain bag, a hoisting chain wheel for driving the hoisting chain to move up and down is arranged between the inner parts of the two electric hoist shell main bodies, and a double-brake system formed by servo motors for driving the hoisting chain wheel to rotate is arranged inside each of the two electric hoist shell main bodies. The electric hoist is safer to operate.
Description
Technical Field
The utility model relates to the technical field of electric hoists, in particular to a double-brake stage electric hoist.
Background
The electric hoist is a special hoisting device, is arranged on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, is used in places such as industrial and mining enterprises, storage, wharfs and the like, has compact structure, and adopts a worm gear transmission device as the electric hoist with the motor axis vertical to the axis of the winding drum. The disadvantages are: the length dimension is big, and the size is big in the aspect of the width, and the structure is bulky, and mechanical efficiency is low, and it is difficult etc..
Through retrieval application number (CN212532112U) disclose an electric block arresting gear, including electric block equipment casing, driving motor support fixedly connected with driving motor is passed through to the one end of electric block equipment casing, driving motor's output shaft fixedly connected with drive shaft, the drive shaft passes through the bearing and rotates the one end of connecting at the corresponding driving motor position of electric block equipment casing, the first diamond-shaped pole of one end fixedly connected with of driving motor position is kept away from to the drive shaft. According to the utility model, the electric push rod is matched with the moving plate to drive the rhombic sleeve to move towards one end far away from the position of the first rhombic rod until the electric push rod drives the rhombic sleeve to be separated from the surface of the first rhombic rod through the moving plate, at the moment, the winding drum is in a free state, and inertia generated during braking of the winding drum cannot be transferred to the driving motor, so that a large load on the driving motor is prevented from being generated during braking of the winding drum, and the purpose of protecting the driving motor is realized.
However, the inventor finds that the technical scheme still has at least the following defects:
only one motor provides the drive in the above-mentioned scheme, and when the motor used for a long time and load fault appeared, the equipment can't transfer the chain sling and reciprocate, and the security is relatively poor and when hanging the electric hoist output trouble at the stage top, the staff can't in time get rid of trouble equipment.
Therefore, a double-brake stage electric hoist is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems in the prior art and provides the double-brake stage electric hoist.
In order to achieve the purpose, the utility model adopts the following technical scheme that the double-brake stage electric hoist comprises two electric hoist shell main bodies, the two electric hoist shell main bodies are fixedly connected with each other, a chain bag is suspended below the two electric hoist shell main bodies through a rope, an in-and-out hanging chain is arranged inside the chain bag, a hoisting chain wheel for driving the hoisting chain to move up and down is arranged between the two electric hoist shell main bodies, a double-brake system formed by a servo motor for driving the hoisting chain wheel to rotate is arranged inside each of the two electric hoist shell main bodies, an emergency stop system for controlling the switch of the double-brake system is arranged below the electric hoist shell main body, two groups of lifting hooks are arranged on the electric hoist shell main bodies, one group of lifting hooks is fixed at the top central shaft of the electric hoist shell main bodies, the other group of lifting hooks is fixed at the lower end of the hoisting chain extending out of the chain bag, the top of two electric hoist shell main parts is provided with two convenient to detach's folding handle, be provided with the detection device who advances line location to the downside lifting hook in the electric hoist shell main part.
Preferably, the bottom of the folding handle is fixedly connected with a mounting plate made of stainless steel, the top of each electric hoist housing main body is provided with a limiting groove matched with the corresponding mounting plate, the inner side wall surface of each limiting groove and the outer side wall surface of the corresponding mounting plate are symmetrically provided with limiting holes with internal threads, and the inner mounting plates clamped in the limiting grooves are fixed by screws through the corresponding limiting holes.
As preferred, detection device is including seting up the fixed slot at the outer wall of electric hoist shell main part, and the outer wall of electric hoist shell main part is close to fixed slot department and is provided with the fixed plate of L shape, sets up the screw hole that corresponds with the fixed slot level on the perpendicular of fixed plate, is provided with the screw that carries out threaded connection with the fixed slot on the fixed plate, has seted up the round hole on the perpendicular of fixed plate, and the joint has the inductor that targets in place perpendicularly downwards on the round hole of fixed plate, and the top of downside lifting hook is provided with and targets in place the inductor induction transmitter that corresponds from top to bottom.
Preferably, the outer wall surface of the chain pocket is coated with black pigment.
Preferably, the emergency stop system is composed of a switch assembly in which an electric wire is connected to a lower end of the electric wire.
Preferably, the two electric hoist shell main bodies are made of aluminum alloy materials, and the outer wall surface of each electric hoist shell main body is coated with deep-color antirust paint.
Advantageous effects
The utility model provides a double-brake stage electric hoist. The method has the following beneficial effects:
(1) when the double-brake system consisting of the two servo motors is used, when the servo motor in one of the electric hoist shell main bodies fails, the servo motor in the other electric hoist shell main body normally drives the hoisting chain wheel to drive the hoisting chain to lift, so that the electric hoist is safer to operate, and meanwhile, the two electric hoist shell main bodies are made of aluminum alloy materials, so that the electric hoist is light in weight, high in strength and corrosion-resistant; two lifting hooks can three hundred sixty degrees rotations, have ten times the breaking force of load, are provided with the mousing-hook device that corresponds the hook exit through torsional spring and connecting rod on the lifting hook simultaneously of assurance intensity, guarantee safety, and the security is high, is fit for popularizing on market.
(2) This double-brake stage electric block, through being provided with detection device, at staff's control chain sling drive lifting hook in-process flexible from top to bottom, whether articulated winding condition appears because the electric block that the stage hung can't observe the chain sling and take place, when the chain sling drives lower extreme lifting hook rebound along with the jack-up sprocket operation, be close to each other between induction transmitter on the lifting hook and the jack-up sprocket, the inductor that targets in place feeds back the control personnel of control stage through the internet with the state of being close to and keeping away from between the induction transmitter, when the unable normal lift of chain sling, through the data variation who targets in place and detect between inductor and the induction transmitter, can be with the timely monitoring personnel of stage detection of the electric block shell main part that breaks down.
(3) This double-brake stage electric block, through being provided with spacing groove, spacing hole, mounting panel and folding handle, folding handle makes things convenient for the staff to carry the electric block shell main part, when two arbitrary folding handles broke down simultaneously, can carry out the folding handle that the dismouting is more renewed from electric block shell main part with the mounting panel that the folding handle that breaks down corresponds through instruments such as screwdrivers, convenient change and maintenance.
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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a perspective view of the stage electric hoist of the present invention;
FIG. 2 is a schematic view of the stage electric hoist of the present invention partially disassembled;
FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention.
Illustration of the drawings:
1. a main body of the electric hoist shell; 2. mounting a plate; 3. a folding handle; 4. an emergency stop system; 5. a chain bag; 6. a hook; 7. a chain is hung; 8. a hoisting sprocket; 9. an inductive transmitter; 10. an in-place sensor; 11. a fixing plate; 12. a screw; 13. fixing grooves; 14. a limiting groove; 15. and a limiting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example (b): a double-brake stage electric hoist is disclosed, as shown in figures 1-3, comprising two electric hoist shell bodies 1, wherein the two electric hoist shell bodies 1 are fixedly connected with each other, a chain bag 5 is suspended below the two electric hoist shell bodies 1 through a rope, the outer wall surface of the chain bag 5 is coated with black or dark pigment, a hanging chain 7 capable of entering and exiting is arranged inside the chain bag 5, a hoisting chain wheel 8 for driving the hanging chain 7 to move up and down is arranged between the two electric hoist shell bodies 1, a double-brake system formed by a servo motor for driving the hoisting chain wheel 8 to rotate is arranged inside each of the two electric hoist shell bodies 1, an emergency stop system 4 for controlling the switch of the double-brake system is arranged below the electric hoist shell bodies 1, the emergency stop system 4 is composed of a switch assembly connected with the lower end of an electric wire, the emergency stop system 4 in the scheme conforms to the SIL3 grade, accord with national safety standard, be provided with two sets of lifting hooks 6 on the electric hoist shell main part 1, a set of lifting hook 6 is fixed in the top center pin department of electric hoist shell main part 1, another set of lifting hook 6 is fixed at the lower extreme that stretches out 5 outside chain sling 7 of chain bag, the top of two electric hoist shell main parts 1 is provided with two convenient to detach's folding handle 3, be provided with the detection device who advances line location to downside lifting hook 6 on the electric hoist shell main part 1, chain sling 7 in this scheme adopts imported EN818-7 standard G100 lifting chain, the minimum fracture test reaches 10 times factor of safety, lifting sprocket 8 in this scheme is the heavy chain wheel of five nest formulas, the alloy steel material, carry out the finish machining through machining center, the suspension type design, easy maintenance.
The bottoms of the two folding handles 3 are fixedly connected with the mounting plates 2 made of stainless steel, the tops of the two electric hoist shell main bodies 1 are respectively provided with a limiting groove 14 matched with the corresponding mounting plate 2, the inner side wall surface of the limiting groove 14 and the outer side wall surface of the mounting plate 2 are symmetrically provided with a limiting hole 15 with an internal thread, the internal mounting plate 2 clamped in the limiting groove 14 passes through the corresponding limiting hole 15 through a fastener for threaded fixation, the folding handle 3 is convenient for a worker to carry the electric hoist shell main body 1 through the limiting groove 14, the limiting hole 15, the mounting plate 2 and the folding handle 3, and when any two folding handles 3 break down, the folding handle 3 which breaks down can be used for dismounting and replacing the mounting plate 2 corresponding to the breakdown from the electric hoist shell main body 1 through tools such as a screwdriver and the like, the replacement and maintenance are convenient.
The detection device comprises a fixing groove 13 arranged on the outer wall surface of the electric hoist shell main body 1, an L-shaped fixing plate 11 is arranged on the outer wall surface of the electric hoist shell main body 1 close to the fixing groove 13, a threaded hole horizontally corresponding to the fixing groove 13 is formed in the vertical surface of the fixing plate 11, a screw 12 in threaded connection with the fixing groove 13 is arranged on the fixing plate 11, a round hole is formed in the vertical surface of the fixing plate 11, a vertically downward in-place sensor 10 is clamped on the round hole of the fixing plate 11, a sensing transmitter 9 vertically corresponding to the in-place sensor 10 is arranged above the lower side lifting hook 6, through the detection device, when a worker controls the lifting chain 7 to drive the lifting hook 6 to extend and retract up and down, whether the hinged winding of the lifting chain 7 occurs or not can not be observed by an electric hoist hung on a stage, and when the lifting chain 7 drives the lower end 6 to move up along with the operation of the lifting chain wheel 8, the induction transmitter 9 and the lifting sprocket 8 on the lifting hook 6 are close to each other at this moment, and the state that the inductor 10 that targets in place is close to and is kept away from between the induction transmitter 9 feeds back the control personnel of control stage through the internet, and when the chain sling 7 can't normally go up and down, through the data change that targets in place and detect between inductor 10 and the induction transmitter 9, can be with the electric hoist housing main part 1 that breaks down in time the control personnel of stage detection simultaneously.
Two electric hoist shell main parts 1 all adopt the aluminum alloy material, and the outer wall of electric hoist shell main part 1 scribbles dark rust-resistant paint, prevent to receive the condition emergence that reflection stage lighting appears in the light influence above the stage.
The working principle of the utility model is as follows: according to the double-brake system formed by the two servo motors, when the double-brake system is used, when the servo motor in one electric hoist shell main body 1 fails, the servo motor in the other electric hoist shell main body 1 normally drives the hoisting chain wheel 8 to drive the hoisting chain 7 to lift, so that the electric hoist is safer to operate, and meanwhile, the two electric hoist shell main bodies 1 are made of aluminum alloy materials, so that the double-brake system is light in weight, high in strength and corrosion-resistant; two lifting hooks 6 can rotate by three hundred sixty degrees, have ten times of breaking force of load, are provided with the mousing-hook device that corresponds the hook exit through torsional spring and connecting rod on the lifting hook 6 simultaneously of assurance intensity, guarantee safety.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a dual-brake stage electric hoist, includes two electric hoist shell main parts (1), two the stationary phase is connected between electric hoist shell main part (1), and chain bag (5) that have hung through the rope of the below of two electric hoist shell main parts (1), the inside of chain bag (5) is provided with chain sling (7) that can pass in and out, its characterized in that: a hoisting chain wheel (8) for driving the hoisting chain (7) to move up and down is arranged between the two electric hoist shell main bodies (1), a double-brake system formed by a servo motor for driving the hoisting chain wheel (8) to rotate is arranged in each of the two electric hoist shell main bodies (1), an emergency stop system (4) for controlling the double-brake system to be switched on and off is arranged below each of the electric hoist shell main bodies (1), two groups of lifting hooks (6) are arranged on each of the electric hoist shell main bodies (1), one group of lifting hooks (6) are fixed at the central shaft at the top of each of the electric hoist shell main bodies (1), the other group of lifting hooks (6) are fixed at the lower end of the hoisting chain (7) extending out of the chain bag (5), two folding handles (3) convenient to detach are arranged at the tops of the two electric hoist shell main bodies (1), the electric hoist shell body (1) is provided with a detection device for positioning the lower side lifting hook (6).
2. The double-brake stage electric hoist of claim 1, characterized in that: two equal fixedly connected with stainless steel's in bottom mounting panel (2) of folding handle (3), spacing groove (14) with corresponding mounting panel (2) looks adaptation are all seted up at the top of two electric hoist housing main parts (1), and the interior lateral wall face of spacing groove (14) has seted up with the outside wall symmetry of mounting panel (2) and has had internal screw thread spacing hole (15), passes corresponding spacing hole (15) through the fastener with inside mounting panel (2) of joint at spacing groove (14) and carries out the screw thread fixation.
3. The double-brake stage electric hoist of claim 1, characterized in that: detection device is including offering fixed slot (13) at electric hoist shell main part (1) outer wall, electric hoist shell main part (1) outer wall is close to fixed slot (13) department and is provided with fixed plate (11) of L shape, set up the screw hole that corresponds with fixed slot (13) level on the perpendicular of fixed plate (11), be provided with on fixed plate (11) and carry out threaded connection's screw (12) with fixed slot (13), the round hole has been seted up on the perpendicular of fixed plate (11), the joint has perpendicular decurrent inductor (10) that targets in place on the round hole of fixed plate (11), the top of downside lifting hook (6) is provided with induction transmitter (9) that correspond from top to bottom with inductor (10) that targets in place.
4. The double-brake stage electric hoist of claim 1, characterized in that: the outer wall surface of the chain bag (5) is coated with black pigment.
5. The double-brake stage electric hoist of claim 1, characterized in that: the emergency stop system (4) is composed of a switch assembly connected with an electric wire and the lower end of the electric wire.
6. The double-brake stage electric hoist of claim 1, characterized in that: two the electric hoist shell main part (1) all adopts the aluminum alloy material, and the outer wall of electric hoist shell main part (1) scribbles dark rust-resistant paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121937112.1U CN215558471U (en) | 2021-08-17 | 2021-08-17 | Double-brake stage electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121937112.1U CN215558471U (en) | 2021-08-17 | 2021-08-17 | Double-brake stage electric hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215558471U true CN215558471U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121937112.1U Active CN215558471U (en) | 2021-08-17 | 2021-08-17 | Double-brake stage electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215558471U (en) |
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2021
- 2021-08-17 CN CN202121937112.1U patent/CN215558471U/en active Active
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