CN114572856A - Luffing crane boom and using method thereof - Google Patents

Luffing crane boom and using method thereof Download PDF

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Publication number
CN114572856A
CN114572856A CN202210202491.2A CN202210202491A CN114572856A CN 114572856 A CN114572856 A CN 114572856A CN 202210202491 A CN202210202491 A CN 202210202491A CN 114572856 A CN114572856 A CN 114572856A
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China
Prior art keywords
wire rope
rotating shaft
steel wire
piston
detection box
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CN202210202491.2A
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Chinese (zh)
Inventor
丁永会
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Individual
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Individual
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Priority to CN202210202491.2A priority Critical patent/CN114572856A/en
Publication of CN114572856A publication Critical patent/CN114572856A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00—Safety gear
    • B66C15/06—Arrangements or use of warning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/823—Bracing equipment acting in vertical direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
    • F16N7/26—Splash lubrication

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Jib Cranes (AREA)

Abstract

The invention discloses an amplitude-variable crane boom and a using method thereof, belonging to the technical field of cranes, the amplitude-variable crane boom comprises a support frame, a rotating frame and a steel wire rope, wherein a lifting plate is arranged on the side wall of the support frame, a motor and a detection box are respectively arranged on the lifting plate, the steel wire rope is fixedly connected to the output end of the motor, a first rotating shaft is connected in the detection box in a rotating manner, a friction wheel is fixedly connected to the first rotating shaft, the steel wire rope penetrates through the detection box and is attached to the friction wheel, a second rotating shaft is connected in the detection box in a rotating manner, a transmission mechanism is connected between the second rotating shaft and the first rotating shaft, a first brush is arranged on the second rotating shaft, and a support plate is fixedly connected in the detection box; the invention has simple structure and reliable work, realizes the purpose of real-time detection of the hoisting weight through the pressure sensor, realizes the purpose of maintenance of the steel wire rope through the mutual matching of the first piston and the third piston, and improves the practicability.

Description

Luffing crane boom and using method thereof
Technical Field
The invention relates to the technical field of cranes, in particular to a luffing crane boom and a use method thereof.
Background
With the high-speed development of economy, the scale of national basic construction is larger and larger, the mass, the volume and the lifting height of articles to be lifted are larger and larger, so that higher requirements are provided for the lifting capacity, the operation height and the operation amplitude of a crane boom, the higher requirements are, the higher possibility of failure is, and the like or other failures are inevitable after long-time use, wherein the most serious failure is caused when the lifting safety value is exceeded, and disastrous consequences are often caused.
Disclosure of Invention
The invention aims to solve the problems that the hoisting weight cannot be detected in real time, the hoisting steel wire rope cannot be maintained and the like in the prior art, and provides a luffing crane boom and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a luffing crane boom comprises a support frame, a rotating frame and a steel wire rope, wherein a lifting plate is arranged on the side wall of the support frame, a motor and a detection box are respectively arranged on the lifting plate, the steel wire rope is fixedly connected to the output end of the motor, a first rotating shaft is rotatably connected to the detection box, a friction wheel is fixedly connected to the first rotating shaft, the steel wire rope penetrates through the detection box and is attached to the friction wheel, a second rotating shaft is rotatably connected to the detection box, a transmission mechanism is connected between the second rotating shaft and the first rotating shaft, a first brush is arranged on the second rotating shaft, a support plate is fixedly connected to the inside of the detection box, an L-shaped plate is arranged on the support plate, a first spray head is arranged in the L-shaped plate, a jet mechanism is arranged in the detection box, the jet mechanism is communicated with the first spray head, a maintenance box is arranged on the support plate, and a third spray head is arranged in the maintenance box, the detection box is internally provided with an oil injection mechanism which is communicated with the third spray head, a detection probe is arranged in the detection box, the supporting plate is provided with a limiting cylinder, the limiting cylinder is internally provided with a pressure sensor, the limiting cylinder is connected with a second sliding plate in a sliding manner, a second spring is arranged in front of the second sliding plate and the pressure sensor, and the second sliding plate is abutted against the steel wire rope.
Preferably, the transmission mechanism comprises a belt, and the belt is connected between the first rotating shaft and the second rotating shaft.
Preferably, the air injection mechanism comprises a first crankshaft and a first piston, the first crankshaft is fixedly connected to a first rotating shaft, the first piston is fixedly connected to the inner wall of the top of the detection box, the first crankshaft is rotatably connected with the first piston, the first piston is connected with a first spray head through a first hollow pipe, and a first check valve is arranged in the first hollow pipe.
Preferably, be equipped with the water tank in the detection case respectively and fall the dirt case, it has communicating pipe to fall to lead to between dirt case and the backup pad, dust fall roof portion is equipped with the second shower nozzle, be equipped with the second bent axle on the first pivot, it is equipped with the second piston to fall the dirt case lateral wall, rotate between second bent axle and the second piston and be connected, be connected with the second hollow tube between second piston and the water tank, be connected with the third hollow tube between second piston and the second shower nozzle, all be equipped with the second check valve in third hollow tube and the second hollow tube, the dust fall incasement is equipped with the filter plate, it is linked together with the water tank to fall the dirt case.
Preferably, the oil injection mechanism comprises an oil tank, the oil tank is arranged in the detection box, a third crankshaft is arranged on the first rotating shaft, a third piston is arranged on the oil tank, the third piston and the third crankshaft are connected in a rotating mode, a fourth hollow pipe is connected between the third piston and the oil tank, a fifth hollow pipe is connected between the third piston and the third spray head, and a third one-way valve is arranged in each of the fourth hollow pipe and the fifth hollow pipe.
Preferably, a first sliding plate is connected in the maintenance box in a sliding mode, a second brush is arranged on the side wall of the first sliding plate, and a first spring is arranged between the first sliding plate and the maintenance box.
Preferably, a sixth hollow pipe is arranged between the support plate and the oil tank.
Preferably, a second guide wheel is arranged in the detection box, and the second guide wheel is attached to the steel wire rope.
Preferably, the rotating frame rotates the lateral wall of connection at the support frame, the support frame lateral wall is equipped with the pneumatic cylinder, the output and the rotating frame of pneumatic cylinder rotate to be connected, wire rope keeps away from the one end of motor and is connected with the lifting hook, all be equipped with first leading wheel on rotating frame and the support frame, wire rope pastes with first leading wheel mutually.
The use method of the luffing crane boom comprises the following steps:
s1, starting a motor, and hoisting an object through a steel wire rope;
s2, in the hoisting process, the steel wire rope drives the first rotating shaft to rotate through the friction wheel;
s3, the first rotating shaft drives the second rotating shaft to rotate through a belt, and dust is blown into the dust falling box through the air injection mechanism;
s4, the first rotating shaft drives a second piston to move through a second crankshaft, and water in the water tank is sprayed out through a second spray head to perform dust fall;
s5, detecting the damage condition of the steel wire rope through a detection probe;
s6, the steel wire rope is in a maintenance box, oil spraying maintenance is carried out through an oil spraying mechanism, and redundant oil on the steel wire rope is removed through a second brush;
and S7, when the pressure sensor is lifted, the steel wire rope is stressed, the steel wire rope extrudes the second spring through the second sliding plate, and when the force acting on the pressure sensor reaches a set value, an alarm is automatically given.
Compared with the prior art, the invention provides a luffing crane boom and a use method thereof, and the luffing crane boom has the following beneficial effects:
the luffing crane boom and the using method thereof are characterized in that when the luffing crane boom works, a motor is started, an object is lifted through a steel wire rope, in the lifting process, the steel wire rope drives a first rotating shaft to rotate through a friction wheel, the first rotating shaft drives a second rotating shaft to rotate through a belt, dust is blown into a dust falling box through an air injection mechanism, the first rotating shaft drives a second piston to move through a second crankshaft, water in a water tank is sprayed out through a second spray head to fall dust, the damage condition of the steel wire rope is detected through a detection probe, the steel wire rope is in a maintenance box and is subjected to oil injection maintenance through an oil injection mechanism, redundant oil on the steel wire rope is removed through a second brush, when the luffing crane boom lifts, the steel wire rope bears force, the steel wire rope extrudes a second spring through a second sliding plate, and when the force acting on a pressure sensor reaches a set value, an automatic alarm is realized.
The device has the advantages that the structure is simple, the work is reliable, the purpose of detecting the hoisting weight in real time is realized through the pressure sensor, the purpose of maintaining the steel wire rope is realized through the mutual matching of the first piston and the third piston, and the practicability is improved.
Drawings
FIG. 1 is a schematic structural diagram of a luffing crane boom and a use method thereof according to the present invention;
FIG. 2 is a partial schematic view of a luffing crane jib and method of use thereof according to the present disclosure;
FIG. 3 is an enlarged view of part A of FIG. 2 of a luffing crane jib and method of use thereof according to the present invention;
FIG. 4 is an enlarged view of the portion B in FIG. 2 of the luffing crane jib and method of use thereof according to the present invention;
FIG. 5 is a schematic structural diagram of a luffing crane boom and a method for using the same, in which the pressure sensor is provided;
fig. 6 is a top view of a luffing crane boom and a method for using the boom, wherein the first sliding plate is provided by the invention.
In the figure: 1. a support frame; 101. a rotating frame; 102. a hydraulic cylinder; 103. a wire rope; 104. a hook; 105. a first guide wheel; 106. lifting the hanger plate; 107. a motor; 2. a detection box; 201. a first rotating shaft; 202. a friction wheel; 3. a second rotating shaft; 301. a belt; 302. a first brush; 4. a first crankshaft; 401. a first piston; 402. a first hollow tube; 403. a first check valve; 404. a first nozzle; 405. an L-shaped plate; 5. a water tank; 501. a second crankshaft; 502. a second piston; 503. a second hollow tube; 504. a third hollow tube; 505. a second one-way valve; 506. a second nozzle; 507. a communicating pipe; 6. a dust falling box; 601. filtering a plate; 7. an oil tank; 701. a third crankshaft; 702. a third piston; 703. a fourth hollow tube; 704. a fifth hollow tube; 705. a third check valve; 706. a third spray head; 8. a maintenance box; 801. a first sliding plate; 802. a second brush; 803. a first spring; 9. a sixth hollow tube; 10. detecting a probe; 11. a support plate; 1101. a second guide wheel; 12. a limiting cylinder; 1201. a second sliding plate; 1202. a second spring; 1203. a pressure sensor.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1:
referring to fig. 1-6, a luffing crane boom comprises a support frame 1, a rotating frame 101 and a steel wire rope 103, wherein a lifting plate 106 is arranged on a side wall of the support frame 1, a motor 107 and a detection box 2 are respectively arranged on the lifting plate 106, the steel wire rope 103 is fixedly connected to an output end of the motor 107, a first rotating shaft 201 is rotatably connected to the detection box 2, a friction wheel 202 is fixedly connected to the first rotating shaft 201, the steel wire rope 103 penetrates through the detection box 2 and is attached to the friction wheel 202, a second rotating shaft 3 is rotatably connected to the detection box 2, a transmission mechanism is connected between the second rotating shaft 3 and the first rotating shaft 201, a first brush 302 is arranged on the second rotating shaft 3, a support plate 11 is fixedly connected to the detection box 2, an L-shaped plate 405 is arranged on the support plate 11, a first nozzle 404 is arranged in the L-shaped plate 405, a jet mechanism is arranged in the detection box 2, the jet mechanism is communicated with the first nozzle 404, a maintenance box 8 is arranged on the support plate 11, the third nozzle 706 is arranged in the maintenance box 8, the oil injection mechanism is arranged in the detection box 2, the oil injection mechanism is communicated with the third nozzle 706, the detection probe 10 is arranged in the detection box 2, the supporting plate 11 is provided with the limiting cylinder 12, the pressure sensor 1203 is arranged in the limiting cylinder 12, the limiting cylinder 12 is connected with the second sliding plate 1201 in a sliding mode, the second spring 1202 is arranged in front of the second sliding plate 1201 and the pressure sensor 1203, and the second sliding plate 1201 is abutted to the steel wire rope 103.
The transmission mechanism comprises a belt 301, and the belt 301 is connected between the first rotating shaft 201 and the second rotating shaft 3 and is used for driving the second rotating shaft 3 to rotate.
The air injection mechanism comprises a first crankshaft 4 and a first piston 401, the first crankshaft 4 is fixedly connected to a first rotating shaft 201, the first piston 401 is fixedly connected to the inner wall of the top of the detection box 2, the first crankshaft 4 and the first piston 401 are connected in a rotating mode, the first piston 401 is connected with a first spray head 404 through a first hollow pipe 402, a first one-way valve 403 is arranged in the first hollow pipe 402, and dust is removed from the steel wire rope 103 frequently.
Detect and be equipped with water tank 5 and dust fall case 6 in the case 2 respectively, it has communicating pipe 507 to lead to between dust fall case 6 and the backup pad 11, dust fall case 6 top is equipped with second shower nozzle 506, be equipped with second bent axle 501 on the first pivot 201, dust fall case 6 lateral wall is equipped with second piston 502, rotate between second bent axle 501 and the second piston 502 and be connected, be connected with second hollow tube 503 between second piston 502 and the water tank 5, be connected with third hollow tube 504 between second piston 502 and the second shower nozzle 506, all be equipped with second check valve 505 in third hollow tube 504 and the second hollow tube 503, be equipped with filter plate 601 in the dust fall case 6, dust fall case 6 is linked together with water tank 5, prevent that the dust from wafting at will.
The oil injection mechanism comprises an oil tank 7, the oil tank 7 is arranged in the detection box 2, a third crankshaft 701 is arranged on the first rotating shaft 201, a third piston 702 is arranged on the oil tank 7, the third piston 702 is rotatably connected with the third crankshaft 701, a fourth hollow pipe 703 is connected between the third piston 702 and the oil tank 7, a fifth hollow pipe 704 is connected between the third piston 702 and the third spray head 706, and third check valves 705 are arranged in the fourth hollow pipe 703 and the fifth hollow pipe 704 to maintain the steel wire rope 103.
A first sliding plate 801 is connected in the maintenance box 8 in a sliding mode, a second brush 802 is arranged on the side wall of the first sliding plate 801, and a first spring 803 is arranged between the first sliding plate 801 and the maintenance box 8 to remove redundant oil on the steel wire rope 103.
And oil is recycled through a sixth hollow pipe 9 between the supporting plate 11 and the oil tank 7.
A second guide wheel 1101 is arranged in the detection box 2, and the second guide wheel 1101 is attached to the steel wire rope 103.
The rotating frame 101 is rotatably connected to the side wall of the support frame 1, a hydraulic cylinder 102 is arranged on the side wall of the support frame 1, the output end of the hydraulic cylinder 102 is rotatably connected with the rotating frame 101, one end, far away from a motor 107, of a steel wire rope 103 is connected with a lifting hook 104, first guide wheels 105 are arranged on the rotating frame 101 and the support frame 1, and the steel wire rope 103 is attached to the first guide wheels 105.
During operation, the motor 107 is started, an object is lifted through the steel wire rope 103, during the lifting process, the steel wire rope 103 drives the first rotating shaft 201 to rotate through the friction wheel 202, the first rotating shaft 201 drives the second rotating shaft 3 to rotate through the belt 301, dust is blown into the dust falling box 6 through the air injection mechanism, the first rotating shaft 201 drives the second piston 502 to move through the second crankshaft 501, water in the water tank 5 is sprayed out through the second spray nozzle 506, dust falling is carried out, the damaged condition of the steel wire rope 103 is detected through the detection probe 10, the steel wire rope 103 is maintained in the maintenance box 8 through the oil injection mechanism, redundant oil on the steel wire rope 103 is removed through the second brush 802, during lifting, the steel wire rope 103 is stressed, the steel wire rope 103 extrudes the second spring 1202 through the second sliding plate 1201, and when the force acting on the pressure sensor 1203 reaches a set value, automatic alarm is given.
Example 2:
the use method of the luffing crane boom comprises the following steps:
s1, starting the motor 107, and hoisting the object through the steel wire rope 103;
s2, in the hoisting process, the steel wire rope 103 drives the first rotating shaft 201 to rotate through the friction wheel 202;
s3, the first rotating shaft 201 drives the second rotating shaft 3 to rotate through the belt 301, and dust is blown into the dust falling box 6 through the air injection mechanism;
s4, the first rotating shaft 201 drives the second piston 502 to move through the second crankshaft 501, and water in the water tank 5 is sprayed out through the second spray head 506 to perform dust settling;
s5, detecting the damage condition of the steel wire rope 103 through the detection probe 10;
s6, oil spraying maintenance is carried out on the steel wire rope 103 in the maintenance box 8 through an oil spraying mechanism, and redundant oil on the steel wire rope 103 is removed through the second brush 802;
s7, when the steel cable 103 is stressed during lifting, the steel cable 103 presses the second spring 1202 through the second sliding plate 1201, and when the force applied to the pressure sensor 1203 reaches a set value, an alarm is automatically given.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A luffing crane boom comprises a support frame (1), a rotating frame (101) and a steel wire rope (103), and is characterized in that a lifting plate (106) is arranged on the side wall of the support frame (1), a motor (107) and a detection box (2) are respectively arranged on the lifting plate (106), the steel wire rope (103) is fixedly connected to the output end of the motor (107), a first rotating shaft (201) is rotatably connected to the detection box (2), a friction wheel (202) is fixedly connected to the first rotating shaft (201), the steel wire rope (103) penetrates through the detection box (2) and is attached to the friction wheel (202), a second rotating shaft (3) is rotatably connected to the detection box (2), a transmission mechanism is connected between the second rotating shaft (3) and the first rotating shaft (201), a first brush (302) is arranged on the second rotating shaft (3), and a support plate (11) is fixedly connected to the inside of the detection box (2), an L-shaped plate (405) is arranged on the supporting plate (11), a first spray head (404) is arranged in the L-shaped plate (405), an air injection mechanism is arranged in the detection box (2), the air injection mechanism is communicated with a first spray head (404), a maintenance box (8) is arranged on the supporting plate (11), a third spray head (706) is arranged in the maintenance box (8), an oil injection mechanism is arranged in the detection box (2), the oil injection mechanism is communicated with a third spray head (706), a detection probe (10) is arranged in the detection box (2), a limit cylinder (12) is arranged on the support plate (11), a pressure sensor (1203) is arranged in the limiting cylinder (12), the limiting cylinder (12) is connected with a second sliding plate (1201) in a sliding way, a second spring (1202) is arranged in front of the second sliding plate (1201) and the pressure sensor (1203), and the second sliding plate (1201) is abutted against the steel wire rope (103).
2. The luffing crane jib according to claim 1, wherein the transmission comprises a belt (301), wherein the belt (301) is connected between the first shaft (201) and the second shaft (3).
3. The luffing crane boom according to claim 1, wherein the air injection mechanism comprises a first crankshaft (4) and a first piston (401), the first crankshaft (4) is fixedly connected to the first rotating shaft (201), the first piston (401) is fixedly connected to the inner wall of the top of the detection box (2), the first crankshaft (4) and the first piston (401) are rotatably connected, the first piston (401) and the first nozzle (404) are connected through a first hollow pipe (402), and a first check valve (403) is arranged in the first hollow pipe (402).
4. The luffing crane boom according to claim 3, wherein a water tank (5) and a dust settling tank (6) are respectively arranged in the detection box (2), a communicating pipe (507) is communicated between the dust settling tank (6) and the support plate (11), a second spray head (506) is arranged at the top of the dust settling tank (6), a second crankshaft (501) is arranged on the first rotating shaft (201), a second piston (502) is arranged on the side wall of the dust settling tank (6), the second crankshaft (501) is rotatably connected with the second piston (502), a second hollow pipe (503) is connected between the second piston (502) and the water tank (5), a third hollow pipe (504) is connected between the second piston (502) and the second spray head (506), and second one-way valves (505) are respectively arranged in the third hollow pipe (504) and the second hollow pipe (503), a filter plate (601) is arranged in the dust falling box (6), and the dust falling box (6) is communicated with the water tank (5).
5. The luffing crane boom according to claim 1, wherein the oil injection mechanism comprises an oil tank (7), the oil tank (7) is arranged in the detection box (2), a third crankshaft (701) is arranged on the first rotating shaft (201), a third piston (702) is arranged on the oil tank (7), the third piston (702) is rotatably connected with the third crankshaft (701), a fourth hollow pipe (703) is connected between the third piston (702) and the oil tank (7), a fifth hollow pipe (704) is connected between the third piston (702) and the third spray head (706), and third check valves (705) are arranged in the fourth hollow pipe (703) and the fifth hollow pipe (704).
6. The luffing crane jib according to claim 5, wherein a first sliding plate (801) is slidably connected to the service box (8), a second brush (802) is disposed on a side wall of the first sliding plate (801), and a first spring (803) is disposed between the first sliding plate (801) and the service box (8).
7. The luffing crane jib according to claim 5, wherein a sixth hollow tube (9) is arranged between the support plate (11) and the oil tank (7).
8. The luffing crane jib according to claim 7, wherein a second guide wheel (1101) is arranged in the detection box (2), and the second guide wheel (1101) is attached to the wire rope (103).
9. The luffing crane jib according to claim 1, wherein the rotating frame (101) is rotatably connected to a side wall of the support frame (1), a hydraulic cylinder (102) is disposed on the side wall of the support frame (1), an output end of the hydraulic cylinder (102) is rotatably connected to the rotating frame (101), one end of the steel wire rope (103) far away from the motor (107) is connected to a hook (104), the rotating frame (101) and the support frame (1) are both provided with a first guide wheel (105), and the steel wire rope (103) is attached to the first guide wheel (105).
10. A method for using a luffing crane jib, comprising a luffing crane jib according to any of claims 1 to 9, characterized in that the following steps are used:
s1, starting a motor (107), and hoisting an object through a steel wire rope (103);
s2, in the hoisting process, the steel wire rope (103) drives the first rotating shaft (201) to rotate through the friction wheel (202);
s3, the first rotating shaft (201) drives the second rotating shaft (3) to rotate through a belt (301), and dust is blown into the dust falling box (6) through the air injection mechanism;
s4, the first rotating shaft (201) drives the second piston (502) to move through the second crankshaft (501), and water in the water tank (5) is sprayed out through the second spray head (506) to perform dust settling;
s5, detecting the damage condition of the steel wire rope (103) through the detection probe (10);
s6, oil spraying maintenance is carried out on the steel wire rope (103) in the maintenance box (8) through an oil spraying mechanism, and redundant oil on the steel wire rope (103) is removed through a second brush (802);
and S7, when the pressure sensor is lifted, the steel wire rope (103) is stressed, the steel wire rope (103) extrudes the second spring (1202) through the second sliding plate (1201), and when the force acting on the pressure sensor (1203) reaches a set value, an alarm is automatically given.
CN202210202491.2A 2022-03-03 2022-03-03 Luffing crane boom and using method thereof Withdrawn CN114572856A (en)

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Application Number Priority Date Filing Date Title
CN202210202491.2A CN114572856A (en) 2022-03-03 2022-03-03 Luffing crane boom and using method thereof

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Application Number Priority Date Filing Date Title
CN202210202491.2A CN114572856A (en) 2022-03-03 2022-03-03 Luffing crane boom and using method thereof

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CN114572856A true CN114572856A (en) 2022-06-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117430003A (en) * 2023-12-19 2024-01-23 定襄县德劲锻造有限公司 Large-scale ring forging hot working hoist device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117430003A (en) * 2023-12-19 2024-01-23 定襄县德劲锻造有限公司 Large-scale ring forging hot working hoist device
CN117430003B (en) * 2023-12-19 2024-02-23 定襄县德劲锻造有限公司 Large-scale ring forging hot working hoist device

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Application publication date: 20220603