CN112520619A - Crown block brake mounting structure capable of being used for tonnage of 15T to 50T and crown block - Google Patents
Crown block brake mounting structure capable of being used for tonnage of 15T to 50T and crown block Download PDFInfo
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- CN112520619A CN112520619A CN202011488414.5A CN202011488414A CN112520619A CN 112520619 A CN112520619 A CN 112520619A CN 202011488414 A CN202011488414 A CN 202011488414A CN 112520619 A CN112520619 A CN 112520619A
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- crown block
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- shaft
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 37
- 230000008878 coupling Effects 0.000 claims description 24
- 238000010168 coupling process Methods 0.000 claims description 24
- 238000005859 coupling reaction Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 17
- 230000000875 corresponding effect Effects 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 8
- 230000002596 correlated effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 15
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- 230000007246 mechanism Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
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- 239000004283 Sodium sorbate Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
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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
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a crown block brake mounting structure and a crown block with tonnage of 15T to 50T, comprising: the brake comprises a driving motor, a speed reducer, a transmission connecting shaft and a plurality of brake wheels; an output shaft of the driving motor is connected with one end of a transmission connecting shaft, and the other end of the transmission connecting shaft is connected with an input shaft of the speed reducer; the output shaft of the driving motor is a bidirectional output shaft, one end of the bidirectional output shaft is connected with one end of the transmission connecting shaft, and the other end of the bidirectional output shaft is connected with one of the brake wheels; the input shaft of speed reducer is two-way input shaft, and the other end of transmission connecting axle is connected to the one end of two-way input shaft, and the other end of two-way input shaft is connected one of a plurality of braked wheels and is passed through the mounted position who changes the braked wheel to reduce the maintenance degree of difficulty and increase braking security simultaneously, reduce the overhead traveling crane because of the potential safety hazard that equipment emergency caused at the handling in-process, the at utmost reduces the possibility that the overhead traveling crane lifting hook is uncontrolled to descend or even fall.
Description
Technical Field
The invention belongs to the technical field of crown block braking, and particularly relates to a crown block braking installation structure capable of being used for a 15T-50T tonnage and a crown block.
Background
The main function of the crown block is to be responsible for hoisting work, and in actual production, the crown block has extremely high requirements on the safety of a hoisting process. The overhead traveling crane is after transmitting the rotation torque to the speed reducer through driving motor, transmits to the rotation of wire rope reel through the speed reduction again and drives lifting hook promotion and decline, in order to guarantee that the heavy object rises and can not descend out of control after rising, generally adopts the stopper on driving motor or the speed reducer to press from both sides tight braked wheel to produce frictional force and realize the braking function.
At present, crown blocks with the tonnage of 15T to 50T are braked by adopting a mode of a single speed reducer and double brake wheels, crown blocks with the tonnage of 50T are braked by adopting modes of double speed reducers, double winding drums and gantry hooks, the design modes of the speed reducers are different, and the braking modes of the speed reducers and the gantry hooks are different, so that the detailed description is omitted. The most common brake installation form of a 15T to 50T crown block hook group is: the driving motor comprises a driving motor output shaft, a brake wheel, a crowned tooth coupler, a compensation shaft, a crowned tooth coupler, a brake wheel and a speed reducer input shaft; specifically, the motor output shaft transmits power to the speed reducer through the compensation shaft and the crowned tooth coupling, and transmits the power to the speed reducer output shaft through speed reduction so as to drive the steel wire rope winding drum to rotate to execute lifting and descending actions (as shown in fig. 1). This transmission mode has the potential safety hazard of braking and maintains inconvenient problem: firstly, the drum-shaped tooth catcher is connected after the brake wheel is installed on the output shaft of the driving motor, so that the gap between the end cover of the driving motor and the brake wheel is too small, the connecting screw cannot be normally replaced, and the problem of inconvenient maintenance is caused; secondly, the internal and external teeth can not be meshed due to excessive wear of the internal teeth of the gear coupling, so that the brake wheel at the output shaft end of the driving motor fails, only one brake wheel at the input shaft end of the speed reducer can play a braking role, and insufficient braking force can be generated under the condition of hoisting heavy objects to cause uncontrolled hoisting reduction.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to overcome the technical problems in the prior art and provide a crown block brake mounting structure and a crown block, which can be used for crown blocks with tonnage of 15T-50T, so that the overhaul difficulty is reduced, the brake safety is improved, the potential safety hazard caused by equipment emergency in the hoisting process of the crown block is reduced, and the possibility of uncontrolled descending and even falling of a lifting hook of the crown block is reduced to the greatest extent.
In order to achieve the above purpose, the invention provides the following technical scheme:
a crown block brake mounting structure usable for 15T to 50T tonnages, the crown block brake mounting structure comprising: the brake comprises a driving motor, a speed reducer, a transmission connecting shaft and a plurality of brake wheels;
an output shaft of the driving motor is connected with one end of the transmission connecting shaft, and the other end of the transmission connecting shaft is connected with an input shaft of the speed reducer;
the output shaft of the driving motor is a bidirectional output shaft, one end of the bidirectional output shaft is connected with one end of the transmission connecting shaft, and the other end of the bidirectional output shaft is connected with one of the brake wheels;
and/or the presence of a gas in the gas,
the input shaft of the speed reducer is a bidirectional input shaft, one end of the bidirectional input shaft is connected with the other end of the transmission connecting shaft, and one end of the bidirectional input shaft is connected with one of the brake wheels; or two ends of the bidirectional input shaft are respectively connected with one of the brake wheels.
According to the crown block brake mounting structure with the tonnage of 15T to 50T, preferably, an output shaft of the driving motor is connected with one end of the transmission connecting shaft through a coupling;
and the input shaft of the speed reducer is connected with the other end of the transmission connecting shaft through a coupler.
The crown block brake mounting structure can be used for crown block brakes with 15T-50T tonnages, and preferably, the coupler is a tooth joint hand coupler or a cross universal joint coupler.
The crown block brake mounting structure which can be used for the tonnage of 15T to 50T is preferably characterized in that the coupling is a cross universal joint coupling,
in a corresponding manner, the first and second optical fibers are,
the crown block brake mounting structure is used for a crown block with the tonnage of 15T-20T.
The crown block brake mounting structure which can be used for the tonnage of 15T to 50T is preferably characterized in that the coupling is a tooth joint coupling,
in a corresponding manner, the first and second optical fibers are,
the crown block brake mounting structure is used for a crown block with the tonnage of 20T-50T.
The crown block brake installation structure can be used for the tonnage of 15T to 50T, and preferably, the diameter of the brake wheel is positively correlated with the tonnage of the crown block.
The crown block brake mounting structure which can be used for 15T-50T tonnage can be preferably used, the diameter of the brake wheel is 400 mm,
in a corresponding manner, the first and second optical fibers are,
the crown block brake mounting structure is used for a crown block with the tonnage of 15T to 20T.
The crown block brake mounting structure which can be used for 15T-50T tonnage can be preferably used, the diameter of the brake wheel is 500 mm,
in a corresponding manner, the first and second optical fibers are,
the crown block brake mounting structure is used for a crown block with the tonnage of 20T to 50T.
The above crown block brake mounting structure for 15T to 50T tonnage is preferred, the speed reducer further comprises a speed reducer output shaft, and the speed reducer output shaft drives the steel wire rope reel of the crown block to rotate, so that the lifting hook of the crown block is lifted or lowered.
A crown block with a crown block brake mounting structure applicable to tonnage of 15T to 50T comprises the crown block brake mounting structure.
Compared with the closest prior art, the technical scheme provided by the invention has the following beneficial effects:
1. the double brake wheels brake, so that the brake effect can be ensured, the potential safety hazard caused by the brake failure of one brake wheel can be avoided, and the brake capacity of the lifting hook is improved;
2. the hidden braking trouble caused by the failure of the driving motor or the transmission connecting shaft is effectively prevented, and the difficulty in equipment maintenance and spare part replacement of the lifting hook device is greatly reduced;
3. the application provides a comparatively reasonable braking mounting structure for reduce and overhaul the degree of difficulty and increase the braking security simultaneously, reduce the potential safety hazard that the overhead traveling crane caused because of equipment emergency situation at the handling in-process, the at utmost reduces the possibility that the uncontrolled decline of overhead traveling crane lifting hook falls even.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural diagram of a conventional crown block brake mounting structure in the prior art;
FIG. 2 is a schematic structural diagram of a crown block brake mounting structure for 15T-50T tonnage according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of another crown block brake mounting structure which can be used for 15T-50T tonnage according to the embodiment of the application;
fig. 4 is a schematic structural diagram of another installation structure of a crown block brake with tonnage of 15T to 50T according to an embodiment of the present application.
Illustration of the drawings: 1. a drive motor; 2. a coupling; 3. a transmission connecting shaft; 4. a brake wheel; 5. a brake; 6. and a speed reducer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention provides a crown block brake mounting structure for tonnage of 15T to 50T, which reduces maintenance difficulty and increases brake safety by changing the mounting position of a brake wheel 4, reduces potential safety hazards caused by equipment emergency in the lifting process of a crown block, and reduces the possibility of uncontrolled drop and even drop of a crown block lifting hook to the maximum extent. In the embodiment of the application, the tonnage of the crown block represents the maximum weight of the heavy object which can be lifted by the lifting hook of the crown block.
FIG. 2 is a schematic structural diagram of a crown block brake mounting structure for 15T-50T tonnage according to an embodiment of the present application; as shown in fig. 2, the crown block brake mounting structure includes: the brake comprises a driving motor, a speed reducer, a transmission connecting shaft and a plurality of brake wheels;
an output shaft of the driving motor is connected with one end of a transmission connecting shaft, and the other end of the transmission connecting shaft is connected with an input shaft of the speed reducer;
the output shaft of the driving motor is a bidirectional output shaft, one end of the bidirectional output shaft is connected with one end of the transmission connecting shaft, and the other end of the bidirectional output shaft is connected with one of the brake wheels;
the input shaft of the speed reducer is a bidirectional input shaft, one end of the bidirectional input shaft is connected with the other end of the transmission connecting shaft, and the other end of the bidirectional input shaft is connected with one of the brake wheels.
In the embodiment of the application, 2 brake wheels are provided, the output shaft of the driving motor is a bidirectional output shaft, one end of the bidirectional output shaft is connected with one end of the transmission connecting shaft, and the other end of the bidirectional output shaft is connected with one of the brake wheels; the input shaft of the speed reducer is a bidirectional input shaft, one end of the bidirectional input shaft is connected with the other end of the transmission connecting shaft, and the other end of the bidirectional input shaft is connected with the other brake wheel. The brake wheel is arranged at one end far away from the joint of the output shaft of the driving motor and the transmission connecting shaft, so that the installation space is increased, the problem that a transmission mechanism between the driving motor 1 and the speed reducer 6 is difficult to disassemble and install can be completely avoided by the installation mode of the brake wheel, and the maintenance difficulty is greatly reduced; therefore, the maintenance is more convenient, the failure probability of the rotating mechanism is reduced through timely maintenance, the braking effect of the crown block is ensured, and the braking safety of the crown block is improved; moreover, a plurality of brake wheels are arranged, and even if one brake wheel fails to brake, the other brake wheel can provide safety guarantee for the braking of the crown block. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
FIG. 3 is a schematic structural diagram of another crown block brake mounting structure which can be used for 15T-50T tonnage according to the embodiment of the application; as shown in fig. 3, the crown block brake mounting structure includes: the brake comprises a driving motor, a speed reducer, a transmission connecting shaft and a plurality of brake wheels;
an output shaft of the driving motor is connected with one end of a transmission connecting shaft, and the other end of the transmission connecting shaft is connected with an input shaft of the speed reducer;
the input shaft of the speed reducer is a bidirectional input shaft, and two ends of the bidirectional input shaft are respectively connected with one of the brake wheels.
FIG. 4 is a schematic structural diagram of a further alternative installation structure for a 15T to 50T tonnage crown block brake according to an embodiment of the present application; as shown in fig. 4, in the embodiment of the present application, there are 2 braking wheels, the output shaft of the driving motor is a bidirectional output shaft, one end of the bidirectional output shaft is connected to one end of the transmission connecting shaft, and the other end is connected to one of the plurality of braking wheels; the input shaft of the speed reducer is a bidirectional input shaft, one end of the bidirectional input shaft is connected with the other end of the transmission connecting shaft, and one end of the bidirectional input shaft, which is close to the transmission connecting shaft, is connected with the other brake wheel.
The brake wheels are arranged at the two ends of the bidirectional input shaft of the speed reducer, so that the phenomenon that the gap at the end cover of the driving motor is too small is effectively avoided, the connecting screw has sufficient installation and replacement space, and the maintenance difficulty is greatly reduced; therefore, the maintenance is more convenient, the failure probability of the rotating mechanism is reduced through timely maintenance, the braking effect of the crown block is ensured, and the braking safety of the crown block is improved; moreover, a plurality of brake wheels are arranged, and even if one brake wheel fails to brake, the other brake wheel can provide safety guarantee for the braking of the crown block. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The application also has the following implementation mode that the output shaft of the driving motor is connected with one end of the transmission connecting shaft through a coupler; the input shaft of the speed reducer is connected with the other end of the transmission connecting shaft through a coupler.
The output shaft of the driving motor is connected with the input shaft of the speed reducer through the transmission connecting shaft, the transmission connecting shaft 3 is utilized to transmit power between the driving motor 1 and the speed reducer 6, the driving motor 1 and the speed reducer are arranged correspondingly and are influenced by production and installation precision in the installation process, non-coaxial or centering deviation easily occurs during connection, the transmission connecting shaft 3 is added to enable the driving motor 1 and the speed reducer to be stably connected in a non-coaxial state, and meanwhile, the transmission connecting shaft 3 belongs to flexible connection and can reduce working noise to the maximum extent. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The present application also has embodiments where the coupling is a dog clutch coupling or a cross-universal coupling. The tooth hand coupling or the universal joint cross coupling is selected according to the tonnage of the crown block, and it is understood that the above description is only exemplary, and the embodiment of the present application is not limited thereto.
In some embodiments, the coupling is a cross universal coupling, and the crown block brake mounting structure is used for crown blocks with tonnage of 15T to 20T. The cross universal joint coupler 2 is adopted to conduct the torque of the driving motor 1 and the speed reducer 6, and the installation precision during replacement of the driving motor 1 can be improved. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some embodiments, the coupling is a tooth clutch coupling, and the crown brake mounting structure is for a crown block of tonnage in the range of 20T to 50T.
The application also has an embodiment in which the diameter of the brake wheel is positively correlated with the tonnage of the crown block. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some embodiments, the brake wheel has a diameter of 400 mm, and the crown block brake mounting structure is used for crown blocks with tonnage of 15T to 20T. In the installation mechanism for the crown block brake, the type of a brake 5 is YWZ8-400/E121, the brake can improve the brake performance, and the installation mechanism has the advantages of compact structure, simple operation, sensitive response, long service life, reliable use and easy realization of remote control; excellent braking performance, high response speed, high durability, easy assembly and maintenance, no need of abrasion adjustment, reliable action, capability of torque adjustment and the like. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some embodiments, the brake wheel has a diameter of 500 mm, and the crown block brake mounting structure is used for crown blocks with tonnage of 20T to 50T. In the installation mechanism for the crown block brake, the type of a brake 5 is YWZ8-500/E201, the brake can improve the brake performance, and the installation mechanism has the advantages of compact structure, simple operation, sensitive response, long service life, reliable use and easy realization of remote control; excellent braking performance, high response speed, high durability, easy assembly and maintenance, no need of abrasion adjustment, reliable action, capability of torque adjustment and the like. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The application also has the following implementation mode that the driving motor 1 is a double-input-shaft motor, and the speed reducer 6 is a double-input-shaft speed reducer 6; in addition, the speed reducer 6 is also provided with a speed reducer output shaft, the speed reducer output shaft drives a steel wire rope reel of the crown block to rotate, a steel wire rope is wound on the steel wire reel, the tail end of the steel wire rope is provided with a lifting hook, and the lifting hook is lifted or lowered through the rotation of the steel wire rope reel. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The present application also has embodiments in which the brake wheel 4 has at least one passive braking surface for generating a braking friction force; the crown block brake mounting structure further comprises an active brake part, the active brake part is arranged corresponding to the brake wheel and provided with at least one active brake surface, and the active brake part extrudes the passive brake surface through the active brake surface to generate brake friction force.
Preferably, the active braking member is a brake 5. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The application also provides a crown block with the crown block brake mounting structure which can be used for the tonnage of 15T to 50T, and the crown block brake mounting structure comprises the crown block brake mounting structure listed in the embodiment. The installation space of the transmission mechanism is increased by changing the installation position of the brake wheel 4, so that the overhauling difficulty is reduced; simultaneously the overhead traveling crane braking mounting structure that this application provided can also effectively increase the security of overhead traveling crane braking, reduces the overhead traveling crane because of the potential safety hazard that equipment emergency caused at the handling in-process, and the maximum reduction overhead traveling crane lifting hook is uncontrolled descends and even falls the possibility. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In summary, the application provides a crown block brake mounting structure for tonnage of 15T to 50T, and the brake wheel is arranged at a position far away from the connection position of the input shaft of the driving motor and the transmission connecting shaft, so that the mounting space of the transmission connecting shaft is increased, the problem that the transmission connecting shaft between the driving motor 1 and the speed reducer 6 is difficult to disassemble and mount can be completely avoided by the brake wheel mounting mode, and the maintenance difficulty is greatly reduced; therefore, the maintenance is more convenient, the failure probability of the rotating mechanism is reduced through timely maintenance, the braking effect of the crown block is ensured, and the braking safety of the crown block is improved; moreover, due to the arrangement of the plurality of brake wheels, even if one brake wheel fails to brake, the rest brake wheels can provide safety guarantee for the braking of the crown block.
The above description is only exemplary of the invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the invention is intended to be covered by the appended claims.
Claims (10)
1. A crown block brake mounting structure for 15T to 50T tonnage, comprising: the brake comprises a driving motor, a speed reducer, a transmission connecting shaft and a plurality of brake wheels;
an output shaft of the driving motor is connected with one end of the transmission connecting shaft, and the other end of the transmission connecting shaft is connected with an input shaft of the speed reducer;
the output shaft of the driving motor is a bidirectional output shaft, one end of the bidirectional output shaft is connected with one end of the transmission connecting shaft, and the other end of the bidirectional output shaft is connected with one of the brake wheels;
and/or the presence of a gas in the gas,
the input shaft of the speed reducer is a bidirectional input shaft, one end of the bidirectional input shaft is connected with the other end of the transmission connecting shaft, and one end of the bidirectional input shaft is connected with one of the brake wheels; or two ends of the bidirectional input shaft are respectively connected with one of the brake wheels.
2. The crown block brake mounting structure for 15T to 50T tonnage according to any one of claim 1, wherein the output shaft of the driving motor is connected with one end of the transmission connecting shaft through a coupling;
and the input shaft of the speed reducer is connected with the other end of the transmission connecting shaft through a coupler.
3. The brake mounting structure for crown blocks with tonnage of 15T to 50T as claimed in any one of claim 2, wherein said coupling is a tooth joint coupling or a cross universal joint coupling.
4. The brake mounting structure for crown blocks with 15T-50T tonnage according to claim 3, wherein the coupling is a cross universal joint coupling,
in a corresponding manner, the first and second optical fibers are,
the crown block brake mounting structure is used for a crown block with the tonnage of 15T-20T.
5. A crown block brake mounting structure applicable to 15T to 50T tonnage according to any one of claim 3, wherein the coupling is a tooth joint coupling,
in a corresponding manner, the first and second optical fibers are,
the crown block brake mounting structure is used for a crown block with the tonnage of 20T-50T.
6. The crown block brake installation structure applicable to tonnage of 15T to 50T according to claim 1, wherein the diameter of the brake wheel is positively correlated to the tonnage of the crown block.
7. A crown block brake mounting arrangement for 15T to 50T tonnages according to claim 6, in which the diameter of the brake drum is 400 mm,
in a corresponding manner, the first and second optical fibers are,
the crown block brake mounting structure is used for a crown block with the tonnage of 15T to 20T.
8. A crown block brake mounting arrangement for 15T to 50T tonnages according to claim 6, in which the diameter of the brake drum is 500 mm,
in a corresponding manner, the first and second optical fibers are,
the crown block brake mounting structure is used for a crown block with the tonnage of 20T to 50T.
9. The structure of claim 1, wherein the speed reducer further comprises an output shaft of the speed reducer, and the output shaft of the speed reducer drives the cable drum of the crown block to rotate, so as to lift or lower the hook of the crown block.
10. A crown block having a crown block brake mounting arrangement for tonnage crown blocks of 15T to 50T, comprising the crown block brake mounting arrangement of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011488414.5A CN112520619A (en) | 2020-12-16 | 2020-12-16 | Crown block brake mounting structure capable of being used for tonnage of 15T to 50T and crown block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011488414.5A CN112520619A (en) | 2020-12-16 | 2020-12-16 | Crown block brake mounting structure capable of being used for tonnage of 15T to 50T and crown block |
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| CN112520619A true CN112520619A (en) | 2021-03-19 |
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| CN202011488414.5A Pending CN112520619A (en) | 2020-12-16 | 2020-12-16 | Crown block brake mounting structure capable of being used for tonnage of 15T to 50T and crown block |
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| CN204474208U (en) * | 2015-02-03 | 2015-07-15 | 黄宏 | A kind of planetary reduction gear bont with block brake |
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| CN215101694U (en) * | 2020-12-16 | 2021-12-10 | 大冶特殊钢有限公司 | Crown block brake installation structure and crown block |
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2020
- 2020-12-16 CN CN202011488414.5A patent/CN112520619A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201580908U (en) * | 2009-12-10 | 2010-09-15 | 大连华锐股份有限公司 | Overload protecting system of crane lifting transmission chain |
| CN201850071U (en) * | 2010-08-20 | 2011-06-01 | 崔继田 | Protecting and driving device for installing high speed end and low speed end of double-speed reducer |
| CN202643114U (en) * | 2012-06-21 | 2013-01-02 | 太原重工股份有限公司 | High-lift hoisting mechanism of crane |
| CN202729206U (en) * | 2012-08-02 | 2013-02-13 | 北京起重运输机械设计研究院 | Dual-drive unit for under belt conveyor |
| CN104340864A (en) * | 2014-10-11 | 2015-02-11 | 太原重工股份有限公司 | Crane and hoisting mechanism thereof |
| CN204474208U (en) * | 2015-02-03 | 2015-07-15 | 黄宏 | A kind of planetary reduction gear bont with block brake |
| CN211813159U (en) * | 2020-03-02 | 2020-10-30 | 山东力山特智能科技有限公司 | Novel double-lifting-point system for lifting of crane |
| CN215101694U (en) * | 2020-12-16 | 2021-12-10 | 大冶特殊钢有限公司 | Crown block brake installation structure and crown block |
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