CN113653748A - Mechanical safety clutch device - Google Patents

Mechanical safety clutch device Download PDF

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Publication number
CN113653748A
CN113653748A CN202110863914.0A CN202110863914A CN113653748A CN 113653748 A CN113653748 A CN 113653748A CN 202110863914 A CN202110863914 A CN 202110863914A CN 113653748 A CN113653748 A CN 113653748A
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CN
China
Prior art keywords
special
rotating shaft
disc
shaped
clutch
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110863914.0A
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Chinese (zh)
Inventor
李朋
张明远
陈洪
陈通
丁勇
李永志
徐嘉
王志辰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tiandi Tangshan Mining Technology Co ltd
TANGSHAN RESEARCH INSTITUTE OF CHINA COAL TECHNOLOGY & ENGINEERING GROUP
China Coal Technology and Engineering Group Corp
Original Assignee
Tiandi Tangshan Mining Technology Co ltd
TANGSHAN RESEARCH INSTITUTE OF CHINA COAL TECHNOLOGY & ENGINEERING GROUP
China Coal Technology and Engineering Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tiandi Tangshan Mining Technology Co ltd, TANGSHAN RESEARCH INSTITUTE OF CHINA COAL TECHNOLOGY & ENGINEERING GROUP, China Coal Technology and Engineering Group Corp filed Critical Tiandi Tangshan Mining Technology Co ltd
Priority to CN202110863914.0A priority Critical patent/CN113653748A/en
Publication of CN113653748A publication Critical patent/CN113653748A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00Automatic clutches
    • F16D43/02Automatic clutches actuated entirely mechanically
    • F16D43/20Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D9/00Couplings with safety member for disconnecting, e.g. breaking or melting member
    • F16D9/06Couplings with safety member for disconnecting, e.g. breaking or melting member by breaking due to shear stress

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention relates to a mechanical safety clutch device, which is used for realizing overload protection of mechanical transmission equipment. The method comprises the following steps: fastening screws, special-shaped keys, connecting bolt groups, a clutch disc, a driving wheel, a shaft sleeve, a fixed disc, a rotating shaft, a shearing pin, a shaft end cover and screws. The technical scheme is as follows: the rotating shaft is provided with a key groove and a pin hole, and a shaft sleeve is arranged between the rotating shaft and the driving wheel, so that the rotating shaft is convenient to disassemble and assemble; the clutch disc, the fixed disc and the transmission wheel are connected together by a connecting bolt group to form a transmission wheel assembly; the clutch disc is provided with a special-shaped notch, the special-shaped key is fixed on the rotating shaft by a fastening screw, and the special-shaped end face of the special-shaped key is embedded into the special-shaped notch of the clutch disc; the fixed disc is connected with the rotating shaft through a shearing pin, and a shearing notch is formed in the shearing pin; the head of the rotating shaft is provided with a shaft end cover to prevent the driving wheel component from falling off. The mechanical safety clutch device is simple in structure, can play a role in overload protection when being subjected to overload impact, and is good in practical effect.

Description

Mechanical safety clutch device
Technical Field
The application of the patent belongs to the technical field of mechanical engineering, and particularly relates to a transmission protection device of a grading crusher, which is used for protecting a transmission system from heavy load impact and avoiding damage of a driving device.
Background
The grading crusher has the advantages of large processing capacity, simple and practical structure and the like, and is widely applied to industries such as coal, chemical industry, building materials, metallurgy and the like. At present, the power transmission system of the grading crusher mainly adopts two forms of gear box transmission and belt pulley transmission. The grading crusher adopts a double-motor driving belt wheel transmission mode, so that the number of fault points is small, and the maintenance amount is small. In the operation process of the grading crusher, large materials or high-hardness materials are difficult to enter a crushing cavity to cause sudden blockage and rotation of a toothed roller. Under the action of heavy load and large impact, the belt pulley is easily damaged or the driving motor is easily burnt, so that the normal operation of the equipment is influenced. Therefore, overload protection measures are required to improve the safety and reliability of the grading crusher, and a mechanical safety clutch device is provided for the purpose.
Disclosure of Invention
Aiming at the problems in the background art, the invention provides a mechanical safety clutch device which is simple in structure, can effectively realize mechanical impact overload protection and improve the safety and reliability of equipment.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a mechanical safety clutch device structurally comprises: the clutch mechanism comprises a first fastening screw, a special-shaped key, a connecting bolt group, a clutch disc, a driving wheel, a shaft sleeve, a fixed disc, a rotating shaft, a shearing pin, a shaft end cover and a second fastening screw, wherein two ends of the driving wheel are respectively connected with the large end face of the clutch disc and the large end face of the fixed disc, and the small end face of the clutch disc is provided with a special-shaped notch; a shaft sleeve convenient to disassemble and assemble is arranged between the driving wheel and the rotating shaft; the clutch disc, the transmission wheel, the shaft sleeve and the fixed disc are connected together by a connecting bolt group to form a transmission wheel assembly;
the rotating shaft sequentially penetrates through the clutch disc, the driving wheel and the fixed disc, a key groove and a shearing pin hole are formed in the rotating shaft, the key groove is close to the clutch disc, and the shearing pin hole is close to the fixed disc; one end of the special-shaped key is an arc surface, the other end of the special-shaped key is a special-shaped end surface, the special-shaped key is fixed at the position of the key groove of the rotating shaft through a first fastening screw, and the special-shaped end surface is in wedge fit with the special-shaped notch of the clutch disc;
the outer diameter of the small end face of the fixed disc is provided with a fixed disc shearing pin hole which is matched with a shearing pin hole on the rotating shaft, the small end face of the fixed disc is connected with the rotating shaft through a shearing pin, and the shearing pin penetrates into the fixed disc shearing pin hole and the shearing pin hole; the outer diameter of the shearing pin is provided with a shearing notch, and after the fixed disc and the rotating shaft are assembled together, the shearing notch is positioned at the joint surface of the fixed disc and the rotating shaft;
the axle head, the other end of axle head cover one end pass through the little terminal surface butt of second fastening screw fixation at the spindle nose of pivot, other end and fixed disk, because the shear pin is in the fixed disk, also will shear the round pin butt in the lump, prevent that the drive wheel subassembly from droing.
Furthermore, the special-shaped end face comprises a vertical section and a first inclined section which are arranged up and down, the vertical section is connected with the first inclined section, and the first inclined section is arranged in an inward inclined mode.
Further, the inclination angle of the first inclined section is 30-75 degrees.
Furthermore, a clutch disc spigot is arranged on the large end face of the clutch disc, and is matched with the driving wheel; the special-shaped notch of the small end face of the clutch disc comprises a horizontal section and a second inclined section, wherein the horizontal section and the second inclined section are axially symmetrically arranged, the second inclined section is arranged at the outer end of the corresponding horizontal section, and the second inclined section is in wedge fit with the first inclined section.
Further, the second inclined section is horizontally arranged upwards, and the inclined angle of the second inclined section is 30-75 degrees.
Furthermore, the top end of the shearing pin is convexly provided with a limiting plate, and the axis is provided with a disassembling process hole, so that the shearing pin is convenient to disassemble.
Furthermore, the shearing notch is of a trapezoidal structure, and the diameter of the shearing notch is selected to be a corresponding value according to the safe load of the equipment.
Furthermore, a fixed disk spigot is arranged on the large end face of the fixed disk, and the fixed disk spigot is matched with the driving wheel.
Furthermore, the rotating shaft comprises a first horizontal part and a second horizontal part which are connected, the second horizontal part is thinner than the first horizontal part, the key groove is positioned on the first horizontal part and close to the second horizontal part, and one end of the first horizontal part close to the key groove is abutted and matched with the small end surface of the clutch disc; the shearing pin hole is positioned on the second horizontal part.
Further, the shaft end cover is of a bowl-shaped structure.
The invention relates to a transmission wheel assembly, which comprises a rotating shaft, a special-shaped key, a first fastening screw, a connecting screw group, a clutch disc, a transmission wheel, a shaft sleeve, a fixed disc, a shearing pin, a shaft end cover and a second fastening screw.
According to the mechanical safety clutch device, one end of the special-shaped key is an arc surface, the other end of the special-shaped key is a special-shaped end surface, the special-shaped key is fixed at the key groove position of the rotating shaft through the fastening screw, the large end surface of the clutch disc is provided with the spigot structure and can be matched with the driving wheel, the small end surface of the clutch disc is provided with the special-shaped notch structure, and the special-shaped notch of the clutch disc and the special-shaped end surface of the special-shaped key form the wedge-shaped disengaging mechanism.
According to the mechanical safety clutch device, the large end of the fixed disc is provided with the spigot structure and can be matched with the driving wheel, the outer diameter of the small end of the fixed disc is provided with the shearing pin hole which is matched with the shearing pin hole in the transmission shaft, one end of the shearing pin is provided with the limiting plate, the axis of the shearing pin is provided with the process hole, the mechanical safety clutch device is convenient to disassemble, the outer diameter of the shearing pin is provided with the shearing notch, and after the fixed disc and the rotating shaft are assembled together, the shearing notch is located at the joint surface of the fixed disc and the rotating shaft.
According to the mechanical safety clutch device, the shaft end cover is bowl-shaped and is fixed on the shaft head of the rotating shaft through the screw, so that the driving wheel component can be prevented from falling off, and the limiting protection effect on the shearing pin is achieved.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention realizes the overload protection of the grading crusher by matching the clutch disc with the safety pin. The device simple structure is reasonable, and the operation is convenient, maintains simply, guarantees equipment normal use, improve equipment's fail safe nature.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the special-shaped key.
Fig. 3 is a schematic perspective view of the clutch plate.
Fig. 4 is a schematic front view of fig. 3.
Fig. 5 is a perspective view of the fixing plate.
Fig. 6 is a schematic front view of fig. 5.
Fig. 7 is a schematic structural view of the rotating shaft.
Fig. 8 is a schematic view of a shear pin configuration.
The figures are labeled as follows: the special-shaped clutch transmission device comprises a first fastening screw 1, a special-shaped key 2, a connecting bolt group 3, a clutch disc 4, a transmission wheel 5, a shaft sleeve 6, a fixed disc 7, a rotating shaft 8, a shearing pin 9, a shaft end cover 10, a second fastening screw 11, a circular arc surface 21, a fastening screw hole 22, a special-shaped end surface 23, a special-shaped notch 41, a clutch disc spigot 42, a fixed disc shearing pin hole 71, a fixed disc spigot 72, a key groove 81, a shearing pin hole 82, a fabrication hole 91, a limiting plate 92 and a shearing notch 93.
Detailed Description
The present invention will be described in further detail with reference to examples.
The invention discloses a mechanical safety clutch device, which is shown in figure 1 and comprises a first fastening screw 1, a special-shaped key 2, a connecting bolt group 3, a clutch disc 4, a driving wheel 5, a shaft sleeve 6, a fixed disc 7, a rotating shaft 8, a shearing pin 9, a shaft end cover 10 and a second fastening screw 11, wherein two ends of the driving wheel 5 are respectively connected with the large end face of the clutch disc 4 and the large end face of the fixed disc 7, and the small end face of the clutch disc 4 is provided with a special-shaped notch 41; a shaft sleeve 6 convenient to disassemble and assemble is arranged between the driving wheel 5 and the rotating shaft 8; the clutch disc 4, the driving wheel 5, the shaft sleeve 6 and the fixed disc 7 are connected together by the connecting bolt group 3 to form a driving wheel component.
The rotating shaft 8 sequentially penetrates through the clutch disc 4, the driving wheel 5 and the fixed disc 7, a key groove 81 and a shearing pin hole 82 are formed in the rotating shaft 8, the key groove 81 is close to the clutch disc 4, and the shearing pin hole 82 is close to the fixed disc 7; one end of the special-shaped key 2 is an arc surface 21, the other end of the special-shaped key 2 is a special-shaped end surface 23, the special-shaped key 2 is fixed at the position of the key groove 81 of the rotating shaft 8 through the first fastening screw 1, and the special-shaped end surface 23 is in wedge-shaped fit with the special-shaped notch 41 of the clutch disc 4, so that a wedge-shaped separation mechanism is formed.
As shown in fig. 2, the irregular end surface 23 includes a vertical section and a first inclined section which are arranged up and down, the vertical section is connected with the first inclined section, and the first inclined section is arranged to be inclined inward. As a preferred embodiment, the inclination angle of the first inclined section is 30-75 degrees, such as 45 degrees.
As shown in fig. 5 and 6, the outer diameter of the small end face of the fixed disk 7 is provided with a fixed disk shearing pin hole 71, the fixed disk shearing pin hole 71 is matched with a shearing pin hole 82 on the rotating shaft 8, the small end face of the fixed disk 7 is connected with the rotating shaft 8 through a shearing pin 9, and the shearing pin 9 penetrates into the fixed disk shearing pin hole 71 and the shearing pin hole 82; the outer diameter of the shearing pin 9 is provided with a shearing notch 93, and after the fixed disk 7 and the rotating shaft 8 are assembled together, the shearing notch 93 is positioned at the joint surface of the fixed disk 7 and the rotating shaft 8.
As shown in fig. 3 and 4, a clutch plate spigot 42 is arranged on the large end face of the clutch plate 4, and the clutch plate spigot 42 is matched with the driving wheel 5; the special-shaped notch 41 on the small end face of the clutch disc 4 comprises a horizontal section and a second inclined section, wherein the horizontal section and the second inclined section are axially symmetrically arranged, the second inclined section is arranged at the outer end of the corresponding horizontal section, and the second inclined section is in wedge fit with the first inclined section. When processing, as shown in fig. 3, axial symmetry sets up the horizontal segment earlier, then uses clockwise as the horizontal segment outer end, processes the second slope section respectively, two horizontal segment axial symmetry layouts like this, two second slope sections also axial symmetry layouts, and the inclination of second slope section is chooseed for use according to the demand.
Preferably, the second inclined section is horizontally arranged upwards, the inclined angle of the second inclined section ranges from 30 degrees to 75 degrees, and the inclined angle of the second inclined section ranges from 45 degrees.
One end of the shaft end cover 10 is fixed on the shaft head of the rotating shaft 8 through a second fastening screw 11, the other end of the shaft end cover is abutted to the small end face of the fixed disc 7, and the shearing pin 9 is abutted to the small end face of the fixed disc 7 to prevent the driving wheel assembly from falling off.
The following description is made with reference to the accompanying drawings.
Fig. 1, 3, 4, 5, and 6 show that a shaft sleeve 6 is arranged between a rotating shaft 8 and a driving wheel 5, so as to facilitate the disassembly and replacement of the driving wheel 5, a clutch disc 4 and a fixed disc 7 are respectively installed at two sides of the driving wheel 5, the clutch disc 4, the driving wheel 5, the shaft sleeve 6 and the fixed disc 7 are connected together through a connecting bolt group 3 to form a driving wheel assembly, the clutch disc 4 and the fixed disc 7 are respectively installed at two sides of the driving wheel 5, and a clutch disc spigot 42 and a fixed disc spigot 72 are respectively matched with small end faces at two sides of the driving wheel 5 to play a positioning role.
The connecting bolt group 3 and the driving wheel 5 are in a static connecting structure, the fixed disc 7 is connected with the rotating shaft 8 through the shearing pin 9, the power of the driving wheel component is transmitted to the rotating shaft 8, and the rotating shaft 8 is driven to work. The transmission wheel assembly and the rotating shaft 8 are in a static connection structure, axial and circumferential relative displacement does not exist between the transmission wheel assembly and the rotating shaft 8, and the head of the rotating shaft 8 is provided with a shaft end cover 10 which can prevent the transmission wheel assembly from falling off.
As shown in fig. 6, the large end surface of the fixed disk 7 is provided with a fixed disk spigot 72, and the fixed disk spigot 72 is matched with the transmission wheel 5.
As shown in fig. 7, the rotating shaft 8 includes a first horizontal portion and a second horizontal portion connected to each other, the second horizontal portion is thinner than the first horizontal portion, the key groove 81 is located on the first horizontal portion and close to the second horizontal portion, and one end of the first horizontal portion close to the key groove 81 is in abutting engagement with the small end surface of the clutch disc 4; the shear pin holes 82 are located on the second horizontal portion.
Fig. 1, 2, 3, 4, 5, 6 show that one end of the special-shaped key 2 is a circular arc surface 21, the other end is a special-shaped end surface 23, the special-shaped key 2 is fixed at the position of a key groove 81 of the rotating shaft 8 by a second fastening screw 11, a spigot structure, namely a clutch plate spigot 42, is arranged on the large end surface of the clutch plate 4 and can be matched with the driving wheel 5, a special-shaped notch structure, namely a clutch plate special-shaped notch 41, is arranged on the small end surface of the clutch plate 4, the special-shaped end surface 23 of the special-shaped key 2 is embedded into the special-shaped notch 41 of the clutch plate 4, and the special-shaped notch 41 of the clutch plate 4 and the special-shaped end surface 23 of the special-shaped key 2 form a wedge-shaped disengaging mechanism.
As shown in fig. 5 and 6, the large end of the fixed disk 7 has a spigot structure, i.e., a fixed disk spigot 72, which can be matched with the driving wheel 5, and the small end of the fixed disk 7 has a fixed disk shearing pin hole 71, which is matched with the shearing pin hole 82 on the rotating shaft 8. As shown in fig. 8, a limiting plate 92 is convexly disposed at one end of the shear pin 9, a fabrication hole 91 is disposed at an axis of the shear pin 9 for facilitating disassembly, a shear notch 93 is disposed on an outer diameter of the shear pin 9, and after the fixed disk 7 is assembled with the rotating shaft 8, the shear notch 93 is located at a joint surface of the fixed disk 7 and the rotating shaft 8. The shearing notch 93 is in a trapezoidal structure, and the diameter of the shearing notch 93 is selected to be a corresponding value according to the safe load of the equipment.
Fig. 1, 4, 5, 6, 7, 8 show that fixed disk 7 passes through shearing round pin 9 and transmits power to pivot 8, and shearing round pin 9's one end has limiting plate 92, plays the positioning action to shearing round pin 9, and there is fabrication hole 91 shearing round pin 9's axis position, makes things convenient for the dismouting to change, and shearing round pin 9's external diameter is equipped with shearing notch 93, has the effect of overload power of cutting off.
As shown in figure 1, the shaft end cover 10 is bowl-shaped and is fixed on the shaft head of the rotating shaft 8 by adopting a second fastening screw 11, so that the driving wheel 5 component can be prevented from falling off, and the limiting protection effect on the shearing pin 9 is also realized.
The using process of the invention is as follows:
in a normal working state of the grading crusher, the clutch disc 4, the driving wheel 5 and the clutch disc 7 are connected together through the connecting bolt group 3, meanwhile, the fixed disc 7 is connected with the rotating shaft 8 through the shearing pin 9, when the driving wheel 5 rotates, power is transmitted to the rotating shaft 8 through the connecting bolt group 3, the fixed disc 7 and the shearing pin 9, the gear roller is driven to rotate, and at the moment, the driving wheel 5 and the rotating shaft 8 are in a normal joint state.
When large materials or high-hardness materials enter the crushing cavity to cause tooth roller blockage and clamping rotation, the grading crusher runs in an overload mode, under the action of impact load and driving force of the driving wheel 5, the shearing pin 9 is under the action of the rotating shaft 8 and the fixed disc 7, when the action force is larger than that of the shearing pin 9 under the load bearing condition, the shearing notch 93 of the shearing pin 9 is sheared off, meanwhile, the driving wheel assembly is pushed out axially under the action of the wedge-shaped separation mechanism to cut off transmission of the driving force, at the moment, the driving wheel 5 and the rotating shaft 8 are in a separation state, damage of the impact load to the grading crusher is effectively avoided, and the driving motor is prevented from being burnt.
When the safety clutch device needs to be reset, the transmission wheel assembly is pushed to the original position, the clutch disc 4 is tightly attached to the shaft shoulder of the rotating shaft 8, the special-shaped key 2 is embedded into the special-shaped notch 41 of the clutch disc 4, the shearing pin 9 is replaced, the reset action of the safety clutch device is completed, and normal transmission is recovered.

Claims (10)

1. A mechanical safety clutch device is characterized in that: the clutch mechanism comprises a first fastening screw (1), a special-shaped key (2), a connecting bolt group (3), a clutch disc (4), a driving wheel (5), a shaft sleeve (6), a fixed disc (7), a rotating shaft (8), a shearing pin (9), a shaft end cover (10) and a second fastening screw (11), wherein two ends of the driving wheel (5) are respectively connected with the large end face of the clutch disc (4) and the large end face of the fixed disc (7), and the small end face of the clutch disc (4) is provided with a special-shaped notch (41); a shaft sleeve (6) which is convenient to disassemble and assemble is arranged between the driving wheel (5) and the rotating shaft (8); the clutch disc (4), the transmission wheel (5), the shaft sleeve (6) and the fixed disc (7) are connected together by a connecting bolt group (3) to form a transmission wheel assembly;
the rotating shaft (8) sequentially penetrates through the clutch disc (4), the driving wheel (5) and the fixed disc (7), a key groove (81) and a shearing pin hole (82) are formed in the rotating shaft (8), the key groove (81) is close to the clutch disc (4), and the shearing pin hole (82) is close to the fixed disc (7); one end of the special-shaped key (2) is an arc surface (21), the other end of the special-shaped key is a special-shaped end surface (23), the special-shaped key (2) is fixed at the position of a key groove (81) of the rotating shaft (8) through a first fastening screw (1), and the special-shaped end surface (23) is in wedge fit with a special-shaped notch (41) of the clutch disc (4);
a fixed disc shearing pin hole (71) is formed in the outer diameter of the small end face of the fixed disc (7), the fixed disc shearing pin hole (71) is matched with a shearing pin hole (82) in the rotating shaft (8), the small end face of the fixed disc (7) is connected with the rotating shaft (8) through a shearing pin (9), and the shearing pin (9) penetrates through the fixed disc shearing pin hole (71) and the shearing pin hole (82); the outer diameter of the shearing pin (9) is provided with a shearing notch (93), and the shearing notch (93) is positioned on the joint surface of the fixed disc (7) and the rotating shaft (8);
one end of the shaft end cover (10) is fixed on the shaft head of the rotating shaft (8) through a second fastening screw (11), and the other end of the shaft end cover is abutted to the small end face of the fixed disc (7) to prevent the driving wheel assembly from falling off.
2. A mechanical safety clutch device according to claim 1, characterized in that: the special-shaped end face (23) comprises a vertical section and a first inclined section which are arranged up and down, the vertical section is connected with the first inclined section, and the first inclined section is arranged in an inward inclined mode.
3. A mechanical safety clutch device according to claim 2, characterized in that: the inclination angle of the first inclined section is 30-75 degrees.
4. A mechanical safety clutch device according to claim 1, characterized in that: a clutch plate spigot (42) is arranged on the large end surface of the clutch plate (4), and the clutch plate spigot (42) is matched with the driving wheel (5); the special-shaped notch (41) of the small end face of the clutch disc (4) comprises a horizontal section and a second inclined section, wherein the horizontal section and the second inclined section are axially symmetrically arranged, the second inclined section is arranged at the outer end of the corresponding horizontal section, and the second inclined section is in wedge fit with the first inclined section.
5. The mechanical safety clutch device according to claim 4, wherein: the second inclined section is horizontally arranged upwards, and the inclined angle of the second inclined section is 30-75 degrees.
6. A mechanical safety clutch device according to claim 1, characterized in that: the top end of the shearing pin (9) is convexly provided with a limiting plate (92), and the axis is provided with a dismounting fabrication hole (91).
7. A mechanical safety clutch device according to claim 1, characterized in that: the shearing notch (93) is in a trapezoidal structure.
8. A mechanical safety clutch device according to claim 1, characterized in that: the big end surface of the fixed disk (7) is provided with a fixed disk spigot (72), and the fixed disk spigot (72) is matched with the driving wheel (5).
9. A mechanically secure clutching device as claimed in any one of claims 1 to 8, wherein: the rotating shaft (8) comprises a first horizontal part and a second horizontal part which are connected, the second horizontal part is thinner than the first horizontal part, the key groove (81) is positioned on the first horizontal part and close to the second horizontal part, and one end of the first horizontal part close to the key groove (81) is in butt fit with the small end face of the clutch disc (4); a shear pin hole (82) is located on the second horizontal portion.
10. A mechanically secure clutching device as claimed in any one of claims 1 to 8, wherein: the shaft end cover (10) is in a bowl-shaped structure.
CN202110863914.0A 2021-07-29 2021-07-29 Mechanical safety clutch device Pending CN113653748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110863914.0A CN113653748A (en) 2021-07-29 2021-07-29 Mechanical safety clutch device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110863914.0A CN113653748A (en) 2021-07-29 2021-07-29 Mechanical safety clutch device

Publications (1)

Publication Number Publication Date
CN113653748A true CN113653748A (en) 2021-11-16

Family

ID=78490859

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110863914.0A Pending CN113653748A (en) 2021-07-29 2021-07-29 Mechanical safety clutch device

Country Status (1)

Country Link
CN (1) CN113653748A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0716032U (en) * 1993-08-26 1995-03-17 アルパイン株式会社 Electronic device drive
JP2009222140A (en) * 2008-03-17 2009-10-01 Kitz Corp Actuator for valve
CN201615156U (en) * 2010-03-17 2010-10-27 丁启东 Safety clutch used on gear-box
CN205350133U (en) * 2016-02-23 2016-06-29 华北理工大学 Belt drive excess loading protector
CN107202077A (en) * 2017-06-22 2017-09-26 江阴兴澄特种钢铁有限公司 A kind of hydraulic cutter pin safety coupling
CN207349297U (en) * 2017-10-30 2018-05-11 泰尔重工股份有限公司 It is a kind of can quick adjustment phase place shaft coupling
CN212839264U (en) * 2020-09-08 2021-03-30 唐山联众选煤科技有限公司 Belt pulley connection structure for double-gear-roller crusher

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0716032U (en) * 1993-08-26 1995-03-17 アルパイン株式会社 Electronic device drive
JP2009222140A (en) * 2008-03-17 2009-10-01 Kitz Corp Actuator for valve
CN201615156U (en) * 2010-03-17 2010-10-27 丁启东 Safety clutch used on gear-box
CN205350133U (en) * 2016-02-23 2016-06-29 华北理工大学 Belt drive excess loading protector
CN107202077A (en) * 2017-06-22 2017-09-26 江阴兴澄特种钢铁有限公司 A kind of hydraulic cutter pin safety coupling
CN207349297U (en) * 2017-10-30 2018-05-11 泰尔重工股份有限公司 It is a kind of can quick adjustment phase place shaft coupling
CN212839264U (en) * 2020-09-08 2021-03-30 唐山联众选煤科技有限公司 Belt pulley connection structure for double-gear-roller crusher

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