CN211110716U - Safety control equipment for hoisting machinery - Google Patents
Safety control equipment for hoisting machinery Download PDFInfo
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- CN211110716U CN211110716U CN201920231434.0U CN201920231434U CN211110716U CN 211110716 U CN211110716 U CN 211110716U CN 201920231434 U CN201920231434 U CN 201920231434U CN 211110716 U CN211110716 U CN 211110716U
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Abstract
The utility model provides a safety control device for hoisting machinery, which comprises an electric control cabinet, a cooling fan, a box body mechanism, a buffer mechanism, a speed reducer and a power line, the utility model discloses a weight limit, the setting of an overweight protection mechanism and a damping plate, when a lifting hook rises to a set value, the weight limit acts, the electric control cabinet controls a servo motor to stop running, the phenomenon of top impact of the lifting hook is prevented, the safety performance of the hoisting machinery is improved, weight values H1 and H2 are arranged on a weighing sensor, when the set value H1 is reached, a buzzer sends an alarm prompt to prompt that the lifted weight reaches a rated value, when the set value H2 is reached, the electric control cabinet servo motor stops running, the hoisting machinery is prevented from being in an overweight state for a long time, the occurrence of unsafe conditions is avoided, the damping plate is arranged below the servo motor, the damping plate can buffer the vibration generated in the running of the servo motor, the noise generated by the operation of the servo motor is reduced, and the normal operation of the servo motor is ensured.
Description
Technical Field
The utility model belongs to the technical field of hoisting equipment, especially, relate to a safety control equipment for hoisting machinery.
Background
The crane is widely used in various industries and is essential key equipment for large-scale project construction, the load lifting limiter is a safety protection measure of the crane, along with the continuous development of the construction industry, the mechanization level of the construction is continuously improved, the requirements on the manufacturing quality of the tower crane and the technical level of the whole machine are higher and higher, the lifting safety accident is caused due to the overload of the crane, and the installation of the load lifting limiter on the crane is an important guarantee for preventing the occurrence of the accident.
The Chinese patent publication No. CN 208327195U discloses a safety anti-falling device for hoisting machinery, which comprises a bottom plate, a machine body shell, a motor seat, a servo motor, a circular plate, a fixed block and a weighing sensor, wherein a fixed frame is installed above the outside of the bottom plate, a hydraulic cylinder is installed on the right side of the outside of the fixed frame, a hydraulic rod is installed on the right side of the end part of the hydraulic cylinder, the right side of the end part of the hydraulic rod is provided with the machine body shell, a voice alarm is arranged on the machine body shell, the motor seat is fixedly connected with the machine body shell through a support, and a movable wheel is installed below the outside of the bottom plate.
Therefore, it is necessary to invent a safety control device for a hoisting machine.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a safety control equipment for hoisting machinery to solve the phenomenon that appears dashing the top when current hoisting machinery moves easily, there is the potential safety hazard, lacks dustproof mechanism, inside dust etc. easily entered actuating mechanism and hoist mechanism when the workshop operation, is unfavorable for the clearance operation, and reduces hoisting machinery's life, lacks overweight protection device, the problem of the unsafe condition appears easily under hoisting machinery is in overweight state for a long time. A safety control device for hoisting machinery comprises a driving mechanism, a hoisting mechanism, an overweight protection mechanism, a lifting hook, a heavy hammer limit device and a base, wherein the driving mechanism is fixed on the left side above the base through a bolt; the hoisting mechanism is fixed above the base through a bolt and is positioned on the right side of the driving mechanism; the overweight protection mechanism is fixed above the base through a bolt and is positioned on the right side of the hoisting mechanism; the lifting hook is fixed at the tail end of the steel wire rope through a pulley block and is provided with an anti-falling buckle; the heavy hammer limit is fixed on the steel wire rope through a bolt and is positioned at the upper end of the lifting hook.
The driving mechanism comprises a shell, an electrical control cabinet, a servo motor, a damping plate, a speed reducer and a brake, wherein the shell is fixed on the left side above the base through a bolt; the electrical control cabinet is fixed on the left side inside the shell through a bolt; the servo motor is fixed in the shell through a bolt, is positioned on the right side of the electric control cabinet, is connected with the electric control cabinet through a lead and is in IHSS60-36-20-31 type; the damping plate is connected between the servo motor and the shell in a clamped mode; the speed reducer is fixed on an output shaft of the servo motor through a bolt; the brake is fixed on an output shaft of the speed reducer through a bolt.
The hoisting mechanism comprises a shell, a hoist, a main shaft and a steel wire rope, wherein the shell is fixed above the base through a bolt and is positioned on the right side of the driving mechanism; the main shaft is fixed on two sides in the shell through a shaft sleeve and is connected with an output shaft of the speed reducer through a coupler; the winch is clamped at the outer side of the main shaft; and the steel wire rope is fixed on the winch through a pressing plate bolt.
The overweight protection mechanism comprises an overweight protector, a buzzer and a weighing sensor, the weighing sensor is fixed on the right side of the hoisting mechanism through a bolt and connected with the main shaft, the overweight protector is fixed above the weighing sensor through a bolt, the buzzer is fixed above the weighing sensor through a bolt, is positioned on the right side of the overweight protector, is connected with the electric control cabinet through a wire, and is in a L TE-1101J shape.
The weight limit is connected with the electric control cabinet through a lead, the model is L X3-11H, the weight limit is arranged on the steel wire rope, when the lifting hook rises to a set value, the weight limit acts, the electric control cabinet controls the servo motor to stop running, the phenomenon that the lifting hook is jacked is prevented, and the safety performance of the hoisting machine is improved.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a spacing setting of weight sets up that the weight is spacing on wire rope, and when the lifting hook rose the setting value, the spacing action of weight, electrical control cabinet control servo motor stop motion prevented that the lifting hook from appearing dashing the phenomenon on top, improved hoisting machinery's security performance.
2. The utility model discloses a casing and the setting of shell, the casing and the shell of setting make actuating mechanism and hoist mechanism be in the confined environment, prevent the inside of entering actuating mechanism and hoist mechanism such as dust, avoid electrical components the phenomenon of short circuit to appear, and be favorable to subsequent clearance operation, improve hoisting machinery's life.
3. The utility model discloses an overweight protection machanism's setting sets up weight value H1 and H2 on weighing sensor, and when reaching setting value H1, the buzzer sends the suggestion of reporting to the police, and the suggestion operating personnel hangs the weight and reaches the rated value, and when reaching setting value H2, electric control cabinet control servo motor stall prevents that hoisting machinery is in overweight state for a long time, avoids the emergence of the unsafe condition.
4. The utility model discloses a setting of shock attenuation board sets up the shock attenuation board in servo motor's below, and the shock attenuation board can cushion the vibrations that the servo motor produced in the operation, reduces the noise that the servo motor operation produced, guarantees servo motor normal operating, improves servo motor's life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the driving mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the hoisting mechanism of the present invention.
Fig. 4 is a schematic structural view of the overweight protection mechanism of the present invention.
In the figure:
1-driving mechanism, 11-shell, 12-electric control cabinet, 13-servo motor, 14-damping plate, 15-speed reducer, 16-brake, 2-hoisting mechanism, 21-shell, 22-hoisting, 23-main shaft, 24-steel wire rope, 3-overweight protection mechanism, 31-overweight protector, 32-buzzer, 33-weighing sensor, 4-lifting hook, 5-weight limit, and 6-base.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 4
The utility model provides a safety control device for hoisting machinery, which comprises a driving mechanism 1, a hoisting mechanism 2, an overweight protection mechanism 3, a hook 4, a heavy hammer limit 5 and a base 6, wherein the driving mechanism 1 is fixed on the left side above the base 6 through bolts; the hoisting mechanism 2 is fixed above the base 6 through a bolt and is positioned on the right side of the driving mechanism 1; the overweight protection mechanism 3 is fixed above the base 6 through a bolt and is positioned at the right side of the hoisting mechanism 2; the lifting hook 4 is fixed at the tail end of the steel wire rope 24 through a pulley block and is provided with an anti-falling buckle; the weight limiting 5 is fixed on the steel wire rope 24 through a bolt and is positioned at the upper end of the lifting hook 4.
The driving mechanism 1 comprises a shell 11, an electric control cabinet 12, a servo motor 13, a damping plate 14, a speed reducer 15 and a brake 16, wherein the shell 11 is fixed on the left side above the base 6 through bolts; the electrical control cabinet 12 is fixed on the left side inside the shell 11 through bolts; the servo motor 13 is fixed in the shell 11 through a bolt, is positioned at the right side of the electric control cabinet 12, is connected with the electric control cabinet 12 through a lead, and is in IHSS60-36-20-31 type; the damping plate 14 is clamped between the servo motor 13 and the shell 11; the speed reducer 15 is fixed on an output shaft of the servo motor 13 through a bolt; the brake 16 is fixed to an output shaft of the speed reducer 15 by a bolt.
The hoisting mechanism 2 comprises a shell 21, a hoist 22, a main shaft 23 and a steel wire rope 24, wherein the shell 21 is fixed above the base 6 through bolts and is positioned on the right side of the driving mechanism 1; the main shaft 23 is fixed on two sides of the inside of the shell 21 through a shaft sleeve and is connected with an output shaft of the speed reducer 15 through a coupler; the winch 22 is clamped on the outer side of the main shaft 23; the wire rope 24 is fixed to the hoist 22 by a clamp bolt.
The overweight protection mechanism 3 comprises an overweight protector 31, a buzzer 32 and a weighing sensor 33, wherein the weighing sensor 33 is fixed on the right side of the hoisting mechanism 2 through bolts and connected with the main shaft 23, the overweight protector 31 is fixed above the weighing sensor 33 through bolts, the buzzer 32 is fixed above the weighing sensor 33 through bolts and positioned on the right side of the overweight protector 31 and connected with the electric control cabinet 12 through a lead, and the model is L TE-1101J.
The weight limit 5 is connected with the electric control cabinet 12 through a lead, the model is L X3-11H, the weight limit 5 is arranged on the steel wire rope 24, when the lifting hook 4 rises to a set value, the weight limit 5 acts, the electric control cabinet 12 controls the servo motor 13 to stop running, the phenomenon that the lifting hook 4 is jacked is prevented, and the safety performance of the lifting machine is improved.
Principle of operation
In the utility model, when in use, the weight limit 5 is arranged on the steel wire rope 24, when the lifting hook 4 rises to a set value, the weight limit 5 acts, the electric control cabinet 12 controls the servo motor 13 to stop running, the phenomenon of top impact of the lifting hook 4 is prevented, the safety performance of the hoisting machine is improved, the shell 11 and the shell 21 are arranged to ensure that the driving mechanism 1 and the hoisting mechanism 2 are in a closed environment, dust and the like are prevented from entering the driving mechanism 1 and the hoisting mechanism 2, the phenomenon of short circuit of electrical elements is avoided, the subsequent cleaning operation is facilitated, the service life of the hoisting machine is prolonged, the weight values H1 and H2 are arranged on the weighing sensor 33, when the set value H1 is reached, the buzzer 32 sends out an alarm prompt to prompt an operator that the lifted weight reaches a rated value, when the set value H2 is reached, the electric control cabinet 12 controls the servo motor 13 to stop running, the hoisting machinery is prevented from being in an overweight state for a long time, unsafe conditions are avoided, the damping plate 14 is arranged below the servo motor 13, the damping plate 14 can buffer vibration generated in the operation of the servo motor 13, noise generated in the operation of the servo motor 13 is reduced, normal operation of the servo motor 13 is guaranteed, and the service life of the servo motor 13 is prolonged.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (5)
1. A safety control device for hoisting machinery, characterized in that: the heavy hammer protection device comprises a driving mechanism (1), a hoisting mechanism (2), an overweight protection mechanism (3), a lifting hook (4), a heavy hammer limit (5) and a base (6), wherein the driving mechanism (1) is fixed on the left side above the base (6) through a bolt; the hoisting mechanism (2) is fixed above the base (6) through a bolt and is positioned on the right side of the driving mechanism (1); the overweight protection mechanism (3) is fixed above the base (6) through a bolt and is positioned at the right side of the hoisting mechanism (2); the lifting hook (4) is fixed at the tail end of the steel wire rope (24) through a pulley block and is provided with an anti-falling buckle; the heavy hammer limit (5) is fixed on the steel wire rope (24) through a bolt and is positioned at the upper end of the lifting hook (4).
2. The safety control apparatus for hoisting machinery according to claim 1, wherein: the driving mechanism (1) comprises a shell (11), an electric control cabinet (12), a servo motor (13), a damping plate (14), a speed reducer (15) and a brake (16), wherein the shell (11) is fixed on the left side above the base (6) through a bolt; the electrical control cabinet (12) is fixed on the left side inside the shell (11) through bolts; the servo motor (13) is fixed in the shell (11) through bolts, is positioned at the right side of the electric control cabinet (12), is connected with the electric control cabinet (12) through a lead, and is in IHSS60-36-20-31 type; the damping plate (14) is clamped between the servo motor (13) and the shell (11); the speed reducer (15) is fixed on an output shaft of the servo motor (13) through a bolt; the brake (16) is fixed on an output shaft of the speed reducer (15) through a bolt.
3. The safety control apparatus for hoisting machinery according to claim 1, wherein: the hoisting mechanism (2) comprises a shell (21), a hoist (22), a main shaft (23) and a steel wire rope (24), wherein the shell (21) is fixed above the base (6) through bolts and is positioned on the right side of the driving mechanism (1); the main shaft (23) is fixed on two sides inside the shell (21) through a shaft sleeve and is connected with an output shaft of the speed reducer (15) through a coupler; the winch (22) is clamped on the outer side of the main shaft (23); the steel wire rope (24) is fixed on the winch (22) through a pressing plate bolt.
4. The safety control device for hoisting machinery according to claim 1, wherein the overweight protection mechanism (3) comprises an overweight protector (31), a buzzer (32) and a weighing sensor (33), the weighing sensor (33) is fixed on the right side of the hoisting mechanism (2) through a bolt and connected with the main shaft (23), the overweight protector (31) is fixed above the weighing sensor (33) through a bolt, the buzzer (32) is fixed above the weighing sensor (33) through a bolt and positioned on the right side of the overweight protector (31) and connected with the electric control cabinet (12) through a lead, and the type L TE-1101J is selected.
5. The safety control device for hoisting machinery of claim 1, wherein the weight limiter (5) is connected to the electrical control cabinet (12) by a wire, and is selected from the model L X3-11H.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231434.0U CN211110716U (en) | 2019-02-22 | 2019-02-22 | Safety control equipment for hoisting machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231434.0U CN211110716U (en) | 2019-02-22 | 2019-02-22 | Safety control equipment for hoisting machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211110716U true CN211110716U (en) | 2020-07-28 |
Family
ID=71705074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920231434.0U Expired - Fee Related CN211110716U (en) | 2019-02-22 | 2019-02-22 | Safety control equipment for hoisting machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211110716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003450A (en) * | 2021-03-31 | 2021-06-22 | 广西建工集团建筑机械制造有限责任公司 | Tower crane hook anti-ejection soft limit control system and control method |
-
2019
- 2019-02-22 CN CN201920231434.0U patent/CN211110716U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003450A (en) * | 2021-03-31 | 2021-06-22 | 广西建工集团建筑机械制造有限责任公司 | Tower crane hook anti-ejection soft limit control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20210222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |