CN111332968B - Overload protection steering crane - Google Patents
Overload protection steering crane Download PDFInfo
- Publication number
- CN111332968B CN111332968B CN202010222260.9A CN202010222260A CN111332968B CN 111332968 B CN111332968 B CN 111332968B CN 202010222260 A CN202010222260 A CN 202010222260A CN 111332968 B CN111332968 B CN 111332968B
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- Prior art keywords
- end wall
- rope
- transmission
- groove
- shaft
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Classifications
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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
- B66C23/88—Safety gear
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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
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses an overload protection steering crane, which comprises a crane body, wherein a working cavity is arranged in the crane body, a protection mechanism is arranged in the working cavity and comprises a vertical plate fixed on the upper end wall of the working cavity, the right end wall of the working cavity is rotatably provided with a rope winding shaft, a transmission mechanism is arranged in the working cavity and comprises a torsion spring groove arranged on the left end wall of the working cavity, a transmission cavity is arranged in the upper end wall of the working cavity, a rotating mechanism is arranged in the transmission cavity, the rotating mechanism comprises a vertical rod which is rotatably arranged on the upper end wall of the transmission cavity, the device can quickly lift a heavy object to a desired position, after lifting, the device can also rotate, so that an operator can conveniently take down a heavy object, and if the steel rope is broken, the protection device can be started, the spare rope can pull the heavy object, and the heavy object is prevented from falling, so that potential safety hazards are caused to people around.
Description
Technical Field
The invention relates to the field of cranes, in particular to an overload protection steering crane.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and the hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the crane is more and more widely developed and used in the market.
Disclosure of Invention
The invention aims to solve the technical problem of providing an overload protection steering crane, and solves the problems that general hoisting equipment does not have a safety protection device, and the hoisting equipment cannot rotate and the like.
The invention is realized by the following technical scheme.
The invention relates to an overload protection steering crane, which comprises a crane body, wherein a working cavity is arranged in the crane body, a protection mechanism is arranged in the working cavity, the protection mechanism comprises a vertical plate fixed on the upper end wall of the working cavity, a rope winding shaft is rotatably arranged on the right end wall of the working cavity, a rope winding wheel and a driven gear are sequentially and fixedly arranged on the rope winding shaft from left to right, a spare rope is wound on the rope winding wheel, a rotating disc is fixedly arranged on the right end surface, a fixed cavity with an opening facing right to right is arranged on the right end surface of the rotating disc, two cross rods are fixedly arranged on the left end surface of the vertical plate, a protection block is fixedly arranged on each cross rod, two pins are fixedly arranged on the left end wall of the fixed cavity, a stop rod is rotatably arranged on each protection block, a stop block is fixedly arranged on each stop rod, two contact blocks are fixedly arranged on the left end wall of the, when the rotating disc rotates at an excessively high speed, the stop rod is far away from the rope winding shaft, the stop rod is clamped with the protection block, and the rope winding shaft cannot rotate continuously;
a transmission mechanism is arranged in the working cavity and comprises a torsion spring groove arranged on the left end wall of the working cavity, a transmission shaft is rotatably arranged in the torsion spring groove, a torsion spring is arranged between the transmission shaft and the torsion spring groove, a first belt wheel and a push block are sequentially and fixedly arranged on the transmission shaft from left to right, and a belt is wound on the first belt wheel;
be equipped with the transmission chamber in the working chamber upper end wall, be equipped with slewing mechanism in the transmission chamber, slewing mechanism sets up including rotating the vertical pole of transmission chamber upper end wall, the fixed transmission bevel gear that is equipped with on the vertical pole, be equipped with the decurrent vertical groove of opening in the vertical pole, it is equipped with through groove to link up about on the vertical pole, it is equipped with the axis of rotation to link up groove upper end wall rotation, the fixed dwang that is equipped with in the axis of rotation, be equipped with the shifting chute in the dwang, be equipped with the intercommunication groove in the axis of rotation, the dwang can round the axis of rotation rotates, makes things convenient for the operator to.
Preferably, a motor is fixedly arranged on the right end wall of the working cavity, a motor shaft is rotatably arranged on the left end face of the motor, a rope winding wheel and a motor gear are fixedly arranged on the motor shaft from left to right in sequence, a steel rope is wound on the rope winding wheel, a moving block is fixedly arranged on the steel rope, and the motor gear is meshed with the driven gear.
Preferably, the left end wall of the transmission cavity is rotatably provided with a driven shaft, the driven shaft is fixedly provided with a second belt wheel and a driving bevel gear from left to right, the second belt wheel is wound with the belt, and the driving bevel gear is meshed with the transmission bevel gear.
Preferably, the movable groove is internally provided with a cross rod capable of moving left and right, the right end face of the cross rod is connected with a reset spring, the cross rod is internally provided with a cross groove, the rear end wall of the cross groove is provided with a fixed pulley, the fixed pulley is wound with a steel rope, the other end of the steel rope is fixedly provided with a connecting block, a rotating cavity is arranged in the connecting block, the rear end wall of the rotating cavity is fixedly provided with a pin post, and the pin post is rotatably provided with a lifting hook.
Preferably, the other end of the spare rope is also fixed on the upper end face of the connecting block, the spare rope is in a relaxed state at present, and when the steel rope is relaxed and tightened, the spare rope is driven to be relaxed and tightened together.
The invention has the beneficial effects that: this device can promote the position that the heavy object wants fast, and when promoting the back, this device can also rotate, makes things convenient for the operator to take off the heavy object, if the steel cable breaks off, then can start protection device, and reserve rope can be held the heavy object, prevents that the heavy object from falling, causes the potential safety hazard to personnel around.
Drawings
In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view taken along the line A-A in FIG. 1;
fig. 3 is a schematic view of the direction B in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The overload protection steering crane comprises a crane body 35, a working chamber 39 is arranged in the crane body 35, a protection mechanism 71 is arranged in the working chamber 39, the protection mechanism 71 comprises a vertical plate 30 fixed on the upper end wall of the working chamber 39, a rope winding shaft 45 is arranged on the right end wall of the working chamber 39 in a rotating mode, a rope winding wheel 46 and a driven gear 47 are sequentially and fixedly arranged on the rope winding shaft 45 from left to right, a standby rope 44 is wound on the rope winding wheel 46, a rotating disc 48 is fixedly arranged on the right end face, a fixed chamber 49 with an opening facing right is arranged on the right end face of the rotating disc 48, two cross rods 50 are fixedly arranged on the left end face of the vertical plate 30, a protection block 51 is fixedly arranged on the cross rods 50, two pins 54 are fixedly arranged on the left end wall of the fixed chamber 49, a stop rod 55 is arranged on the protection block 51 in a rotating mode, a stop block 56 is fixedly arranged on, two contact blocks 52 are fixedly arranged on the left end wall of the fixed cavity 49, a connecting spring 53 is connected between each contact block 52 and the corresponding stop lever 55, when the rotating disc 48 rotates too fast, the corresponding stop lever 55 is far away from the rope winding shaft 45, the corresponding stop lever 55 is clamped with the corresponding protection block 51, and the rope winding shaft 45 cannot rotate continuously;
a transmission mechanism 72 is arranged in the working cavity 39, the transmission mechanism 72 comprises a torsion spring groove 36 arranged on the left end wall of the working cavity 39, a transmission shaft 34 is rotatably arranged in the torsion spring groove 36, a torsion spring 37 is arranged between the transmission shaft 34 and the torsion spring groove 36, a first belt pulley 33 and a push block 32 are fixedly arranged on the transmission shaft 34 from left to right in sequence, and a belt 38 is wound on the first belt pulley 33;
be equipped with transmission chamber 27 in the working chamber 39 upper end wall, be equipped with slewing mechanism 70 in the transmission chamber 27, slewing mechanism 70 sets up including rotating vertical pole 20 of transmission chamber 27 upper end wall, the fixed transmission bevel gear 26 that is equipped with on the vertical pole 20, be equipped with the decurrent vertical groove 24 of opening in the vertical pole 20, it is equipped with through groove 23 to link up about on the vertical pole 20, it is equipped with axis of rotation 21 to link up the rotation of 23 upper end walls in groove, the fixed dwang 17 that is equipped with in axis of rotation 21, be equipped with shifting chute 18 in the dwang 17, be equipped with intercommunication groove 22 in the axis of rotation 21, dwang 17 can round axis of rotation 21 rotates, makes things convenient for the operator to take the heavy object.
Advantageously, a motor 29 is fixedly arranged on the right end wall of the working cavity 39, a motor shaft 43 is rotatably arranged on the left end surface of the motor 29, a rope winding wheel 31 and a motor gear 28 are fixedly arranged on the motor shaft 43 from left to right, a steel rope 60 is wound on the rope winding wheel 31, a moving block 25 is fixedly arranged on the steel rope 60, and the motor gear 28 is meshed with the driven gear 47.
Advantageously, the left end wall of the transmission cavity 27 is rotatably provided with a driven shaft 40, a second belt pulley 41 and a drive bevel gear 42 are fixedly arranged on the driven shaft 40 from left to right, the belt 38 is wound on the second belt pulley 41, and the drive bevel gear 42 is meshed with the transmission bevel gear 26.
Beneficially, a cross rod 15 is movably arranged in the moving groove 18 in a left-right moving mode, a return spring 19 is connected between the right end face of the cross rod 15 and the right end face of the moving groove 18, a transverse groove 14 is formed in the cross rod 15, a fixed pulley 16 is arranged on the rear end wall of the transverse groove 14, a steel rope 60 is wound on the fixed pulley 16, a connecting block 13 is fixedly arranged at the other end of the steel rope 60, a rotating cavity 12 is formed in the connecting block 13, a pin 11 is fixedly arranged on the rear end wall of the rotating cavity 12, and a lifting hook 10 is rotatably arranged on the pin 11.
Advantageously, the other end of the spare rope 44 is also fixed to the upper end face of the connecting block 13, the spare rope 44 is now in a relaxed state, and when the steel rope 60 is released and tightened, the spare rope 44 is driven to be released and tightened together.
In the initial state, the standby cord 44 is in a relaxed state, and the return spring 19, the torsion spring 37, and the connection spring 53 are in a normal state.
When the device is in a working state, the motor 29 is started reversely, the motor shaft 43 is driven by the rotation of the motor 29, the motor shaft 43 drives the rope winding wheel 31 to rotate, the rope winding wheel 31 rotates to loosen the steel rope 60, the steel rope 60 is loosened, the connecting block 13 moves downwards, the connecting block 13 drives the hook 10 to move downwards through the pin 11, when the hook 10 moves downwards to a proper position, the motor 29 is closed, a heavy object is hung on the hook 10, the motor 29 is started, the motor 29 drives the motor shaft 43 to rotate, the motor shaft 43 drives the rope winding wheel 31 to rotate, the rope winding wheel 31 rotates, the steel rope 60 is tightened, the steel rope 60 drives the connecting block 13 to move upwards, after the connecting block 13 moves upwards, the transverse rod 15 is driven to move rightwards to shorten the distance between the heavy object and an operator, the operator can conveniently take the heavy object, when the steel rope 60 is tightened to a moving degree, the push block 32 drives the transmission shaft 34 to rotate, the transmission shaft 34 drives the first belt wheel 33 to rotate, the first belt wheel 33 drives the second belt wheel 41 to rotate through friction of the belt 38, the second belt wheel 41 drives the driving bevel gear 42 to rotate through the driven shaft 40, the driving bevel gear 42 is meshed with the driving bevel gear 26 to drive the driving bevel gear 26 to rotate, the driving bevel gear 26 drives the vertical rod 20 to rotate, the vertical rod 20 rotates to drive a heavy object to rotate to the right side of the device, an operator can conveniently take the heavy object, the motor gear 28 rotates along with the motor shaft 43, the motor gear 28 is meshed with the driven gear 47 to rotate, the driven gear 47 drives the rope winding wheel 46 to rotate through the rope winding shaft 45, the rope winding;
if the steel rope 60 is suddenly broken, the connecting block 13 rapidly moves downwards, the connecting block 13 drives the rope winding wheel 46 to rapidly rotate through the spare rope 44, the rope winding wheel 46 drives the rope winding shaft 45 to rotate, the rope winding shaft 45 drives the driven gear 47 to rapidly rotate, the rotating disc 48 rapidly rotates along with the driven gear 47, the rotating disc 48 rapidly rotates to enable the stopping rod 55 to rotate around the pin 54, the stopping rod 55 is far away from the contact block 52, the stopping block 56 moves along with the stopping rod 55, the stopping block 56 is clamped by the protecting block 51, the rotating disc 48 cannot continue to rotate, the driven gear 47 stops rotating, the driven gear 47 enables the rope winding shaft 45 not to rotate, the rope winding wheel 46 stops rotating, the spare rope 44 pulls the connecting block 13, and the connecting block 13 cannot continue to fall downwards.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. An overload protection steering crane comprises a crane body, and is characterized in that: the machine body is internally provided with a working chamber, the working chamber is internally provided with a protection mechanism, the protection mechanism comprises a vertical plate fixed on the upper end wall of the working chamber, the right end wall of the working chamber is rotatably provided with a rope winding shaft, the rope winding shaft is sequentially and fixedly provided with a rope winding wheel and a driven gear from left to right, a standby rope is wound on the rope winding wheel, the right end surface of the rope winding wheel is fixedly provided with a rotating disc, the right end surface of the rotating disc is provided with a fixed chamber with an opening facing right, the left end surface of the vertical plate is fixedly provided with two cross rods, the cross rods are fixedly provided with protection blocks, the left end wall of the fixed chamber is fixedly provided with two pins, the protection blocks are rotatably provided with stop rods, the stop rods are fixedly provided with stop blocks, the left end wall of the fixed chamber is fixedly provided with two contact blocks, a connecting spring is connected between the contact, the stop rod is far away from the rope winding shaft, the stop rod is clamped with the protection block, and the rope winding shaft cannot rotate continuously; a transmission mechanism is arranged in the working cavity and comprises a torsion spring groove arranged on the left end wall of the working cavity, a transmission shaft is rotatably arranged in the torsion spring groove, a torsion spring is arranged between the transmission shaft and the torsion spring groove, a first belt wheel and a push block are sequentially and fixedly arranged on the transmission shaft from left to right, and a belt is wound on the first belt wheel; be equipped with the transmission chamber in the working chamber upper end wall, be equipped with slewing mechanism in the transmission chamber, slewing mechanism sets up including rotating the vertical pole of transmission chamber upper end wall, the fixed transmission bevel gear that is equipped with on the vertical pole, be equipped with the decurrent vertical groove of opening in the vertical pole, it is equipped with through groove to link up about on the vertical pole, it is equipped with the axis of rotation to link up groove upper end wall rotation, the fixed dwang that is equipped with in the axis of rotation, be equipped with the shifting chute in the dwang, be equipped with the intercommunication groove in the axis of rotation, the dwang can round the axis of rotation rotates, makes things convenient for the operator to.
2. An overload protection steering crane according to claim 1 wherein: the wall of the right end of the working cavity is fixedly provided with a motor, the left end face of the motor is rotatably provided with a motor shaft, the motor shaft is sequentially and fixedly provided with a rope winding wheel and a motor gear from left to right, a steel rope is wound on the rope winding wheel, a moving block is fixedly arranged on the steel rope, and the motor gear is meshed with the driven gear.
3. An overload protection steering crane according to claim 2 wherein: the left end wall of the transmission cavity rotates to be provided with a driven shaft, a second belt wheel and a driving bevel gear are fixedly arranged on the driven shaft from left to right in sequence, the belt is wound on the second belt wheel, and the driving bevel gear is meshed with the transmission bevel gear.
4. An overload protection steering crane according to claim 3 wherein: the movable steel wire rope connecting device is characterized in that a cross rod is arranged in the movable groove in a movable mode, a reset spring is connected with the right end face of the cross rod and the right end face of the movable groove, a transverse groove is formed in the cross rod, a fixed pulley is arranged on the rear end wall of the transverse groove, a steel wire rope is wound on the fixed pulley, a connecting block is fixedly arranged at the other end of the steel wire rope, a rotating cavity is formed in the connecting block, a pin post is fixedly arranged on the rear end wall.
5. An overload protection steering crane according to claim 4 wherein: the other end of the standby rope is also fixed on the upper end face of the connecting block, the standby rope is in a relaxed state at present, and when the steel rope is relaxed and tightened, the standby rope is driven to be relaxed and tightened together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010222260.9A CN111332968B (en) | 2020-03-26 | 2020-03-26 | Overload protection steering crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010222260.9A CN111332968B (en) | 2020-03-26 | 2020-03-26 | Overload protection steering crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111332968A CN111332968A (en) | 2020-06-26 |
| CN111332968B true CN111332968B (en) | 2020-09-15 |
Family
ID=71178897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010222260.9A Active CN111332968B (en) | 2020-03-26 | 2020-03-26 | Overload protection steering crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111332968B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202390116U (en) * | 2011-12-20 | 2012-08-22 | 胡相兰 | High-intensity small-tonnage hoist |
| CN206437808U (en) * | 2016-12-28 | 2017-08-25 | 四川建设机械（集团）股份有限公司 | Crane trolley variable amplitude rope rope broken protector |
| US10099904B1 (en) * | 2017-05-25 | 2018-10-16 | James Zaguroli, Jr. | Safety arrangement for a hoist |
| CN108946528A (en) * | 2018-08-02 | 2018-12-07 | 芜湖英特杰智能科技有限公司 | A kind of derrick crane trolley rope broken protector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205772945U (en) * | 2016-06-01 | 2016-12-07 | 江西双威电机有限公司 | A kind of energy-efficient lifting actuator |
| CN110626967B (en) * | 2019-10-11 | 2020-12-15 | 新沂市锡沂高新材料产业技术研究院有限公司 | Crane with overload locking device |
-
2020
- 2020-03-26 CN CN202010222260.9A patent/CN111332968B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202390116U (en) * | 2011-12-20 | 2012-08-22 | 胡相兰 | High-intensity small-tonnage hoist |
| CN206437808U (en) * | 2016-12-28 | 2017-08-25 | 四川建设机械（集团）股份有限公司 | Crane trolley variable amplitude rope rope broken protector |
| US10099904B1 (en) * | 2017-05-25 | 2018-10-16 | James Zaguroli, Jr. | Safety arrangement for a hoist |
| CN108946528A (en) * | 2018-08-02 | 2018-12-07 | 芜湖英特杰智能科技有限公司 | A kind of derrick crane trolley rope broken protector |
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| Publication number | Publication date |
|---|---|
| CN111332968A (en) | 2020-06-26 |
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Effective date of registration: 20220825 Address after: Building 1, No. 245 Zhangshan Road, Renhe Street, Yuhang District, Hangzhou City, Zhejiang Province 311100 Patentee after: HANGZHOU FORCE THAILAND LIFTING MACHINERY LTD. Address before: No.105, shilitou village, wushantang, Xianhua street, Pujiang County, Jinhua City, Zhejiang Province Patentee before: Pujiang Peiluo Electronic Technology Co.,Ltd. |
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