CN116969130B - Tensioning assembly of conveyor and conveyor - Google Patents

Tensioning assembly of conveyor and conveyor Download PDF

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Publication number
CN116969130B
CN116969130B CN202311218319.7A CN202311218319A CN116969130B CN 116969130 B CN116969130 B CN 116969130B CN 202311218319 A CN202311218319 A CN 202311218319A CN 116969130 B CN116969130 B CN 116969130B
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CN
China
Prior art keywords
driving
tensioning
conveyor
fixing
tensioning assembly
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CN202311218319.7A
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Chinese (zh)
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CN116969130A (en
Inventor
李永强
马奋飞
常文华
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YUANPING XINGSHENG MACHINERY MANUFACTURING CO LTD
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YUANPING XINGSHENG MACHINERY MANUFACTURING CO LTD
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Priority to CN202311218319.7A priority Critical patent/CN116969130B/en
Publication of CN116969130A publication Critical patent/CN116969130A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/44Belt or chain tensioning arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drives For Endless Conveyors (AREA)

Abstract

The application discloses a tensioning assembly of a conveyor and the conveyor, which relate to the field of production logistics, wherein the tensioning assembly comprises: the tensioning wheel and the mounting seat are rotatably mounted on the mounting seat; the driving piece is pivotally connected with the mounting seat, and one end of the driving piece, which is far away from the mounting seat, is provided with a driving part; the fixing piece comprises a fixing part and a driven part, the fixing part is used for fixing the fixing piece, the driven part is in transmission connection with the driving part, and when the driving piece rotates, the driving part drives the driven part to drive the fixing piece to move close to or far away from the mounting seat, so that the tensioning wheel can adjust the tensioning or loosening of the conveying belt. From this, through rotating the interval distance that the driving piece provided with adjusting between mounting and the mount pad, can adjust the tensioning force size of conveyer belt after the position change of take-up pulley, compare with prior art, maintainer can rotate the drive shaft of the tensioning assembly at conveyer both ends respectively in order to reduce the tensioning force that tensioning assembly provided, the quantity of required maintainer when can reducing the conveyer maintenance.

Description

Tensioning assembly of conveyor and conveyor
Technical Field
The application relates to the field of production logistics, in particular to a tensioning assembly of a conveyor and the conveyor with the tensioning assembly of the conveyor.
Background
The conveyor is used for transporting articles, and the conveyor comprises a conveyor belt and a transmission gear train, and the transmission gear train is used for driving the conveyor belt to move. In order to avoid the slipping problem of the conveyor belt relative to the transmission gear train as much as possible, the conveyor is also provided with a tensioning assembly, and the tensioning assembly is used for adjusting the tensioning of the conveyor belt, so that the pressure between the tensioned conveyor belt and the transmission gear train is increased, and the friction force between the conveyor belt and the transmission gear train can be increased.
In the related art, the tensioning assemblies are arranged at two ends of the existing conveyor, when the conveyor needs to be disassembled for maintenance, maintenance personnel first need to detach tensioning wheels at two ends of the conveyor simultaneously to reduce the tensioning force provided by the tensioning assemblies for the conveyor belt, and therefore a plurality of maintenance personnel are required to cooperate together, and accordingly the maintenance cost and the maintenance difficulty of the conveyor are overlarge.
Disclosure of Invention
In order to reduce the number of maintenance personnel required during maintenance of the conveyor and reduce the maintenance cost and maintenance difficulty of the conveyor, the application provides a tensioning assembly of the conveyor.
The application further proposes a conveyor.
The tensioning assembly of the conveyor provided by the application adopts the following technical scheme:
a tensioning assembly for a conveyor comprising: the tensioning wheel is used for tensioning a conveying belt of the conveyor and is rotatably arranged on the mounting seat; the driving piece is pivotally connected with the mounting seat, and is suitable for rotating around the central axis of the driving piece relative to the mounting seat when being driven, and one end of the driving piece, which is far away from the mounting seat, is provided with a driving part; the fixing piece comprises a fixing part and a driven part, wherein the fixing part is used for fixing the fixing piece, the driven part is in transmission connection with the driving part, and when the driving piece rotates, the driving part drives the driven part to drive the fixing piece to move close to or far away from the mounting seat, so that the tensioning wheel can adjust the tensioning or loosening of the conveying belt.
Through adopting above-mentioned technical scheme, through rotating the interval distance between driving piece in order to adjust mounting and the mount pad, can adjust the tensioning force size of conveyer belt behind the position change of take-up pulley relative to mounting, compare with prior art, can rotate the tensioning assembly's at conveyer both ends drive shaft in order to reduce the tensioning force that tensioning assembly provided by a maintainer respectively, the quantity of required maintainer when can reducing the conveyer maintenance to can reduce the maintenance cost and the maintenance degree of difficulty of conveyer.
Preferably, the driving part is configured as a worm, the driven part comprises a rack and a base, the rack is engaged with the worm, one end of the rack away from the driving part is fixedly connected with the base, and the base is fixedly connected with the fixing part.
Through adopting above-mentioned technical scheme, when maintainer rotated the driving piece, through rack and worm meshing connection, can follow the extending direction motion of rack when the worm rotates to make the driving piece be close to or keep away from the mounting motion, thereby the driving piece can drive the mount pad and be close to or keep away from the mounting motion. Through using worm and rack to connect between driving piece and mounting, can make the driving piece rotate when maintainer drives the driving piece, after the driving piece rotates in place, can auto-lock between worm and the rack to the mounting can not drive the driving piece and rotate when tensioning assembly receives stretching or compression, and then can make the interval distance between mount pad and the mounting keep unchangeable.
Preferably, the tensioning assembly of the conveyor further comprises: the shell, the installation space is limited to the shell, the driving piece is equipped with the one end of drive portion stretches into in the shell, just the mounting is equipped with the one end of driven portion stretches into in the shell, the shell is suitable for being fixed and is used for the protection drive portion with driven portion.
Through adopting above-mentioned technical scheme, drive portion and driven part can be in the casing internal engagement connection, and the casing can shelter from drive portion and driven part to avoid drive portion and driven part to receive skew and damage after the collision as far as possible.
Preferably, the housing is provided with a locking mechanism, the driving member is further provided with a locking portion, and the locking mechanism is suitable for locking or unlocking the locking portion so as to prevent or allow the driving member to rotate along a first direction, wherein when the driving member rotates along the first direction, the driving portion drives the driven portion to drive the fixing member to move away from the mounting seat.
Through adopting above-mentioned technical scheme, after maintainer rotates the driving piece in order to adjust the tensioning force of conveyer belt to suitable size, through locking mechanism locking part, can restrict the driving piece and rotate along first direction after locking part is locked to can prevent further that driving piece drive mounting and mount pad from following opposite direction motion, and then can avoid further that the tensioning force of conveyer belt reduces. And when the tensioning force of the conveyor belt needs to be reduced or the conveyor needs to be maintained, a maintainer can unlock the locking part by using the locking mechanism, and the maintainer can adjust the tensioning wheel to a proper position so that after the tensioning force of the conveyor belt is adjusted to a proper size, the maintainer can lock the locking part again by using the locking structure, thereby limiting the driving piece to rotate along the first direction again, and further limiting the change of the tensioning force of the conveyor belt.
Preferably, the outer peripheral wall of the locking portion has a ratchet, and the locking mechanism has a claw adapted to extend into or away from a tooth groove of the ratchet to lock or unlock the ratchet.
By adopting the technical scheme, when the claw stretches into the tooth groove and the driving piece generates a trend of rotating along the first direction, the claw and the ratchet are self-locked, so that the ratchet can be limited to rotate along the first direction. When the claw extends into the tooth groove and the driving piece generates a trend of rotating along the second direction, the claw and the ratchet are not self-locked, so that the ratchet can be allowed to rotate along the second direction.
Preferably, the locking mechanism comprises an unlocking key and a claw, the unlocking key is arranged on the outer wall surface of the shell, the unlocking key is connected with the claw for matching, and the claw is driven to move away from a tooth slot of the ratchet when the unlocking key is pressed.
Through adopting above-mentioned technical scheme, through unblock button and jack catch cooperation, maintainer can utilize to press the unblock button so that locking mechanism unblock locking portion, has reduced the degree of difficulty of locking mechanism unblock locking portion, and the maintainer of being convenient for single maintenance conveyer has reduced the maintenance cost of conveyer.
Preferably, the jack catch includes joint portion, rotation portion and the pressing portion that connects gradually, joint portion is suitable for stretching into in the tooth's socket with ratchet joint cooperation, rotation portion with casing pivoted connection, the unblock button with the cooperation is connected to the pressing portion, the unblock button is driven when being pressed the pressing portion drives joint portion is around rotation axis rotation of rotation portion, so that joint portion is kept away from the tooth's socket motion.
Through adopting above-mentioned technical scheme, stretch into the pivot hole through the pivot and make the rotation portion be suitable for relative casing rotation, because joint portion, rotation portion and pressing part link together in proper order, when rotation portion revolutes the axis of rotation, rotation portion can drive joint portion and pressing part rotation, through joint portion, rotation portion and pressing part cooperation, can realize that the unblock button drives the jack catch motion in order to make the technical effect of locking mechanism unblock locking portion.
Preferably, the locking mechanism further comprises a centering piece, one end of the centering piece is abutted to the shell, the other end of the centering piece is abutted to the unlocking key, the centering piece is used for driving the unlocking key to be centered, and the pressing part is driven to drive the clamping part to rotate around the rotation axis of the rotation part when the unlocking key is centered, so that the clamping part moves close to the tooth slot of the ratchet.
Through adopting above-mentioned technical scheme, when operating personnel no longer presses the unblock button, the elasticity that the piece produced returns can act on the unblock button in order to drive the unblock button and return, and the casing motion can be kept away from to the unblock button, can drive the jack catch motion in order to make the jack catch stretch into the tooth's socket of ratchet again when the unblock button motion, has realized the technical effect of locking mechanism automatic locking portion.
Preferably, the mounting seat is provided with a first pivoting part, one end of the driving piece, which is close to the mounting seat, is provided with a second pivoting part, and the first pivoting part is in pivot fit with the second pivoting part so as to enable the driving piece to be in pivot connection with the mounting seat.
Through adopting above-mentioned technical scheme, through setting up first pivot portion and second pivot portion between mount pad and driving piece, when the driving piece is rotated after being driven, and the conveyer belt around locating on the take-up pulley, the conveyer belt can restrict the take-up pulley and rotate to can make the mount pad not rotate along with the driving piece, and then can make the driving piece free rotation in order to nimble tensioning force of adjusting the conveyer belt.
The conveyor provided by the application adopts the following technical scheme:
a conveyor, comprising: a conveyor belt; the tensioning assembly is used for adjusting tensioning or loosening of the conveyor belt, and is the tensioning assembly of the conveyor.
Through adopting above-mentioned technical scheme, the conveyer has tensioning assembly, through the interval distance between the mounting of rotation tensioning assembly's mounting with regulation tensioning assembly's mounting and the mount pad, can adjust the tensioning force size of conveyer belt behind the change of tensioning assembly's take-up pulley relative mounting, compares with prior art, can rotate the tensioning assembly's at conveyer both ends drive shaft in order to reduce the tensioning force that tensioning assembly provided by a maintainer respectively, can reduce the required maintainer's in the time of the conveyer maintenance quantity.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the tension of the conveyor belt can be adjusted after the position of the tensioning wheel relative to the fixing piece is changed by rotating the driving piece to adjust the interval distance between the fixing piece and the mounting seat;
2. when maintenance personnel rotate the driving piece, through rack and worm meshing connection, can follow the extending direction motion of rack when the worm rotates to make the driving piece be close to or keep away from the mounting motion, thereby the driving piece can drive the mount pad and be close to or keep away from the mounting motion. The worm and the rack are connected between the driving piece and the fixing piece, so that the driving piece can be rotated when a maintainer drives the driving piece, and the worm and the rack can be self-locked after the driving piece rotates in place, so that the fixing piece can not drive the driving piece to rotate when the tensioning assembly is stretched or compressed, and the interval distance between the mounting seat and the fixing piece can be kept unchanged;
3. after maintainer rotates the driving piece in order to adjust the tensioning force of conveyer belt to suitable size, through locking mechanism locking portion, can restrict the driving piece and rotate along first direction after the locking portion is locked to can prevent further that driving piece drive mounting and mount pad from following opposite direction motion, and then can avoid further that the tensioning force of conveyer belt reduces. And when the tensioning force of the conveyor belt needs to be reduced or the conveyor needs to be maintained, a maintainer can unlock the locking part by using the locking mechanism, and the maintainer can adjust the tensioning wheel to a proper position so that after the tensioning force of the conveyor belt is adjusted to a proper size, the maintainer can lock the locking part again by using the locking structure, thereby limiting the driving piece to rotate along the first direction again, and further limiting the change of the tensioning force of the conveyor belt.
Drawings
FIG. 1 is a schematic view of a tensioning assembly according to an embodiment of the present application;
FIG. 2 is a top view of a tensioning assembly according to an embodiment of the present application;
FIG. 3 is a schematic illustration of a tensioning assembly with a portion of the housing removed in accordance with an embodiment of the present application;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
FIG. 5 is a top view of the tensioning assembly with a portion of the housing removed in accordance with an embodiment of the present application;
fig. 6 is a front view of the tensioning assembly with a portion of the housing removed in accordance with an embodiment of the present application.
Reference numerals illustrate:
100. a tensioning assembly;
10. a tensioning wheel; 20. a mounting base; 201. a first pivot portion;
30. a driving member; 301. a driving section; 302. a locking part; 303. a second pivot portion;
40. a fixing member; 401. a fixing part; 402. a driven part; 4021. a rack; 4022. a base;
50. a housing;
60. a locking mechanism; 601. unlocking the key; 602. a claw; 6021. a clamping part; 6022. a rotating part; 6023. a pressing part; 603. and (5) correcting the piece.
Detailed Description
The present application is described in further detail below with reference to fig. 1-6.
The embodiment of the application discloses a tensioning assembly 100 of a conveyor, wherein the tensioning assembly 100 is arranged on the conveyor, and the tensioning assembly 100 is used for adjusting the tensioning force of a conveyor belt of the conveyor so as to avoid the slipping problem of the conveyor belt during operation.
Referring to fig. 1-6, a tensioning assembly 100 according to an embodiment of the present application includes: a tensioner 10, a mount 20, a driver 30 and a fixture 40. The tensioning wheel 10 is used for tensioning a conveyor belt of the conveyor, the tensioning wheel 10 is rotatably mounted on the mounting seat 20, specifically, the conveyor belt passes through the outer side of the tensioning wheel 10, the conveyor belt can be converted into a tensioning state from a loose state by adjusting the position of the tensioning wheel 10 to stretch the conveyor belt, and the conveyor belt is in press fit with the tensioning wheel 10 under the action of tensioning force. Through making the take-up pulley 10 rotatable relative mount pad 20, the conveyer belt can drive take-up pulley 10 and rotate, so can make the frictional force between take-up pulley 10 and the conveyer belt change from sliding friction into rolling friction to can reduce the frictional force size between take-up pulley 10 and the conveyer belt, help reducing the wearing and tearing speed of take-up pulley 10 and conveyer belt. Further, the tensioning wheel 10 is detachably mounted on the mounting base 20, so that maintenance personnel can detach the tensioning wheel 10 from the mounting base 20 for maintenance.
The driving member 30 is pivotally connected to the mounting base 20, and the driving member 30 is adapted to rotate about a central axis of the driving member 30 relative to the mounting base 20 when driven, wherein the driving member 30 is coaxially disposed with the mounting base 20, and an axial direction of the driving member 30 and an axial direction of the mounting base 20 may refer to a left-right direction in fig. 2. The maintenance personnel may drive the rotation of the drive member 30, and in some embodiments, the drive member 30 may also be provided with a gripping structure that facilitates the rotation of the drive member 30. The end of the driving member 30 away from the mounting base 20 is provided with a driving portion 301, and when the driving member 30 rotates around the central axis of the driving member 30, the driving member 30 can drive the driving portion 301 to rotate around the central axis of the driving member 30.
Meanwhile, the fixing member 40 includes a fixing portion 401 and a driven portion 402, the fixing portion 401 is used for fixing the fixing member 40, in some specific embodiments of the present application, the conveyor further includes a fixing bracket, the fixing bracket can be used as a supporting framework of the conveyor, the fixing portion 401 can be fixed on the fixing bracket of the conveyor, and further, the fixing portion 401 and the fixing bracket can be fixedly connected together by adopting a connection mode such as a screw connection mode, a riveting mode, a welding mode, and the like.
The driven part 402 is in transmission connection with the driving part 301, and when the driving part 30 rotates, the driving part 301 drives the driven part 402 to drive the fixing part 40 to move close to or far away from the mounting seat 20, so that the tensioning wheel 10 can adjust the tensioning or loosening of the conveyor belt. When the driving member 30 rotates around the first direction, the driving portion 301 drives the driven portion 402 to drive the fixing member 40 to move away from the mounting base 20, and the fixing member 40 is fixedly connected with the fixing support, so that when the mounting base 20 and the fixing member 40 move in directions away from each other, the mounting base 20 moves near the center of the conveyor belt, and the tension of the conveyor belt applied by the tension pulley 10 is reduced, so that the tension pulley 10 can adjust the conveyor belt to be loose.
In contrast, when the driving member 30 rotates around the second direction, the driving portion 301 drives the driven portion 402 to drive the fixing member 40 to move close to the mounting base 20, and since the fixing member 40 is fixedly connected with the fixing support, when the mounting base 20 and the fixing member 40 move towards directions close to each other, the mounting base 20 moves away from the center of the conveyor belt, and the tension of the conveyor belt applied by the tension pulley 10 increases, so that the tension pulley 10 can adjust the tension of the conveyor belt. It should be noted that, the first direction and the second direction when the driving member 30 rotates only represent opposite movement directions, for example, one of the first direction of the driving member 30 and the second direction of the driving member 30 may refer to a counterclockwise direction, the other may refer to a clockwise direction, and the specific rotation direction of the driving member 30 may be set according to actual use situations.
From this, through rotating the driving piece 30 in order to adjust the interval distance between mounting 40 and the mount pad 20, can adjust the tensioning force size of conveyer belt after the position change of take-up pulley 10 relative to mounting 40, compare with prior art, can rotate the drive shaft of the tensioning assembly 100 at conveyer both ends respectively by a maintainer in order to reduce the tensioning force that tensioning assembly 100 provided, the conveyer need not a plurality of maintainers and demolishs take-up pulley 10 promptly simultaneously, the quantity of required maintainer when can reduce the conveyer maintenance to can reduce the maintenance cost and the maintenance degree of difficulty of conveyer.
Further, referring to fig. 1-6, the mounting base 20 may have a first pivot portion 201, and an end of the driving member 30 near the mounting base 20 may be provided with a second pivot portion 303, where the first pivot portion 201 is pivotally engaged with the second pivot portion 303 to pivotally connect the driving member 30 with the mounting base 20. In some specific embodiments, one of the first pivoting portion 201 and the second pivoting portion 303 may be configured as a pivot shaft and the other may be configured as a pivot hole, for example, the first pivoting portion 201 is configured as a pivot shaft and the second pivoting portion 303 is configured as a pivot hole, or the second pivoting portion 303 is configured as a pivot shaft and the first pivoting portion 201 is configured as a pivot hole, by providing the first pivoting portion 201 and the second pivoting portion 303 between the mounting base 20 and the driving member 30, when the driving member 30 is driven to rotate and the belt is wound around the tension pulley 10, the belt may restrict the tension pulley 10 from rotating, so that the mounting base 20 may not rotate with the driving member 30, and thus the driving member 30 may freely rotate to flexibly adjust the tension of the belt.
Referring to fig. 3, 5 and 6, in some embodiments of the present application, the driving part 301 is configured as a worm, which may include a rod body and a screw protrusion structure, the rod body may be integrally formed with the driving member 30, and the screw protrusion structure may be formed at an outer circumferential wall of the driving member 30. The driven portion 402 includes a rack 4021 and a base 4022, the rack 4021 is located outside the worm, the rack 4021 can extend along an axial direction of the fixing member 40, it should be noted that the fixing member 40 can be coaxially disposed with the driving member 30, the rack 4021 is engaged with the worm, one end of the rack 4021 away from the driving member 30 is fixedly connected with the base 4022, and the base 4022 is fixedly connected with the fixing portion 401. Wherein the base 4022 may be integrally formed with the rack 4021 to form the fixing part 401, in other embodiments, the base 4022 has a mounting position for mounting the rack 4021. In addition, the base 4022 may be integrally formed with the fixing portion 401, so that the base 4022 and the fixing portion 401 are fixedly connected, and of course, in order to facilitate the processing, forming and assembling of the tensioning assembly 100, a connecting rod may be further connected between the base 4022 and the fixing portion 401, and the base 4022 and the fixing portion 401 may be indirectly connected together.
When the maintenance personnel rotates the driving member 30, the driving member 30 is engaged with the worm through the rack 4021, and the worm can move along the extending direction of the rack 4021 when rotating, so that the driving member 30 moves close to or away from the fixing member 40, and the driving member 30 can drive the mounting seat 20 to move close to or away from the fixing member 40. Through using worm and rack 4021 to connect between driving piece 30 and mounting 40, can make driving piece 30 rotate when the maintenance personnel drives driving piece 30, when driving piece 30 rotates in place after, can auto-lock between worm and the rack 4021 to mounting 40 can not drive driving piece 30 rotation when tensioning assembly 100 receives tensile or compression, and then can make the interval distance between mount pad 20 and the mounting 40 remain unchanged.
Referring to fig. 1 and 2, in some embodiments of the present application, the tensioning assembly 100 may further include: the housing 50, the housing 50 defines an installation space, one end of the driving member 30 provided with the driving portion 301 extends into the housing 50, and one end of the fixing member 40 provided with the driven portion 402 extends into the housing 50, and the housing 50 is adapted to be fixed and used for protecting the driving portion 301 and the driven portion 402. Wherein, the casing 50 can be provided with connecting portion, and casing 50 can be through connecting portion and the fixed bolster fixed connection of conveyer, can adopt the spiro union, rivet, welding etc. connected mode to connect between connecting portion and the fixed bolster. The driving part 301 and the driven part 402 can be engaged and connected in the shell 50, and the shell 50 can shield the driving part 301 and the driven part 402 to avoid the driving part 301 and the driven part 402 from being offset and damaged after collision as much as possible.
Referring to fig. 3-6, in some embodiments of the present application, the housing 50 may be provided with a locking mechanism 60, and the driving member 30 may be further provided with a locking portion 302, wherein the locking mechanism 60 is adapted to lock or unlock the locking portion 302 to prevent or allow the driving member 30 to rotate in a first direction, wherein the driving portion 301 drives the driven portion 402 to move the fixing member 40 away from the mounting base 20 when the driving member 30 rotates in the first direction. After the maintenance personnel rotates the driving member 30 to adjust the tension of the conveyor belt to a proper magnitude, the locking portion 302 is locked by the locking mechanism 60, and the locking portion 302 can limit the driving member 30 to rotate in the first direction after being locked, so that the driving member 30 can be further prevented from driving the fixing member 40 and the mounting seat 20 to move in opposite directions, and further, the tension of the conveyor belt can be further prevented from being reduced.
And, when the tensioning force of the conveyor belt needs to be reduced, or the conveyor needs to be maintained, a maintainer can unlock the locking part 302 by using the locking mechanism 60, the driving piece 30 can rotate along the first direction after the locking part 302 is unlocked, then the maintainer can rotate the driving piece 30 to adjust the tensioning wheel 10 to a proper position, and after the tensioning force of the conveyor belt is adjusted to a proper size, the maintainer can lock the locking part 302 again by using the locking structure, so that the driving piece 30 can be limited to rotate along the first direction again, and further the tensioning force of the conveyor belt can be limited to change.
Referring to fig. 3-6, in some embodiments of the present application, the outer peripheral wall of the locking portion 302 has ratchet teeth, and the locking mechanism 60 has a pawl 602, the pawl 602 being adapted to extend into or away from the tooth slots of the ratchet teeth to lock or unlock the ratchet teeth. The ratchet may incline towards the second direction, and when the driving member 30 rotates along the second direction, the driving portion 301 drives the driven portion 402 to drive the fixing member 40 to move near the mounting seat 20. By providing the outer peripheral wall of the locking portion 302 with ratchet teeth, when the pawl 602 protrudes into the tooth slot and the driver 30 tends to rotate in the first direction, the pawl 602 is self-locked with the ratchet teeth, so that the ratchet teeth can be restricted from rotating in the first direction. When the pawl 602 is extended into the tooth slot and the driver 30 is biased to rotate in the second direction, the pawl 602 is not self-locking with the ratchet teeth, thereby allowing the ratchet teeth to rotate in the second direction.
Further, referring to fig. 1-4, the locking mechanism 60 includes an unlocking key 601 and a claw 602, the unlocking key 601 may be disposed on an outer wall surface of the housing 50, the unlocking key 601 is connected to the claw 602, and the claw 602 is driven to move away from a tooth slot of the ratchet when the unlocking key 601 is pressed. Wherein, the part structure of the unlocking button 601 stretches out to the outside of the shell 50, the part structure of the unlocking button 601 stretching into the shell 50 is connected and matched with the claw 602, it is to be noted that, the unlocking button 601 and the claw 602 can be connected and matched in an integrated forming, welding, hinging, screwing, indirect connection and other modes, the maintainer can move the unlocking button 601 towards the inside of the shell 50 by pressing the part structure of the unlocking button 601 stretching out of the shell 50, the claw 602 is driven to move away from the tooth groove of the ratchet when the unlocking button 601 moves towards the inside of the shell 50, the maintainer can utilize to press the unlocking button 601 to unlock the locking part 302 of the locking mechanism 60 through the cooperation of the unlocking button 601, the difficulty of unlocking the locking part 302 of the locking mechanism 60 is reduced, the maintainer can maintain the conveyor by a single person, and the maintenance cost of the conveyor is reduced.
Further, referring to fig. 4, the claw 602 includes a clamping portion 6021, a rotating portion 6022 and a pressing portion 6023 which are sequentially connected, the clamping portion 6021 is adapted to extend into the tooth socket to be in clamping engagement with the ratchet, the rotating portion 6022 is pivotally connected with the housing 50, wherein one of the rotating portion 6022 and the housing 50 has a pivot shaft and the other has a pivot hole, for example, the rotating portion 6022 has a pivot shaft and the housing 50 has a pivot hole, or the housing 50 has a pivot shaft and the rotating portion 6022 has a pivot hole, the rotating portion 6022 is adapted to rotate relative to the housing 50 by the pivot shaft extending into the pivot hole, and since the clamping portion 6021, the rotating portion 6022 and the pressing portion 6023 are sequentially connected together, the rotating portion 6022 can drive the clamping portion 6021 and the pressing portion 6023 to rotate when the rotating portion 6022 rotates around the rotation axis.
And, the unlocking key 601 is connected and matched with the pressing part 6023, when the unlocking key 601 is pressed, the pressing part 6023 is driven to drive the clamping part 6021 to rotate around the rotation axis of the rotation part 6022, so that the clamping part 6021 moves away from tooth grooves of the ratchet teeth. The rotation axis of the rotation portion 6022 may be the central axis of the pivot shaft, and therefore, through the cooperation of the clamping portion 6021, the rotation portion 6022 and the pressing portion 6023, the unlocking key 601 drives the pawl 602 to move so that the locking mechanism 60 unlocks the locking portion 302.
Referring to fig. 3 and 4, in some embodiments of the present application, the locking mechanism 60 may further include a centering member 603, where the centering member 603 is used to drive the unlocking key 601 to perform centering, and when the unlocking key 601 performs centering, the pressing portion 6023 drives the clamping portion 6021 to rotate around the rotation axis of the rotation portion 6022, so that the clamping portion 6021 moves near the tooth slot of the ratchet. The centering member 603 may be a coil spring, but the present application is not limited thereto, and in other embodiments, the centering member 603 may be a torsion spring, a disc spring, or the like. One end of the spiral spring can be abutted against the shell 50, the other end of the spiral spring can be abutted against the unlocking key 601, when the unlocking key 601 is pressed, the unlocking key 601 and the shell 50 can jointly extrude the spiral spring, the spiral spring generates elastic force after being extruded, when an operator does not press the unlocking key 601 any more, the elastic force can act on the unlocking key 601 to drive the unlocking key 601 to return, the unlocking key 601 can move away from the shell 50, and the claw 602 can be driven to move when the unlocking key 601 moves so that the claw 602 stretches into a tooth socket of a ratchet again, so that the technical effect of the locking mechanism 60 for automatically locking the locking part 302 is achieved.
Based on this, the application further discloses a conveyor, according to an embodiment of the application, the conveyor includes: a conveyor belt for conveying articles and a tensioning assembly 100, the tensioning assembly 100 for adjusting the tension or slackening of the conveyor belt, the tensioning assembly 100 being the tensioning assembly 100 described in the above embodiments.
According to the conveyor provided by the embodiment of the application, the conveyor is provided with the tensioning assembly 100, the distance between the fixing piece 40 of the tensioning assembly 100 and the mounting seat 20 is adjusted by rotating the driving piece 30 of the tensioning assembly 100, the tensioning force of the conveyor belt can be adjusted after the position of the tensioning wheel 10 of the tensioning assembly 100 relative to the fixing piece 40 is changed, and compared with the prior art, the driving shafts of the tensioning assemblies 100 at two ends of the conveyor can be respectively rotated by a maintainer to reduce the tensioning force provided by the tensioning assembly 100, so that the number of maintainers required in maintenance of the conveyor can be reduced.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. A tensioning assembly for a conveyor, comprising:
a tensioning wheel (10) and a mounting seat (20), wherein the tensioning wheel (10) is used for tensioning a conveyor belt of the conveyor, and the tensioning wheel (10) is rotatably mounted on the mounting seat (20);
the driving piece (30), the driving piece (30) is pivotally connected with the mounting seat (20), the driving piece (30) is suitable for rotating around the central axis of the driving piece (30) relative to the mounting seat (20) when being driven, and one end of the driving piece (30) away from the mounting seat (20) is provided with a driving part (301);
the fixing piece (40), the fixing piece (40) comprises a fixing part (401) and a driven part (402), the fixing part (401) is used for fixing the fixing piece (40), the driven part (402) is in transmission connection with the driving part (301), and when the driving piece (30) rotates, the driving part (301) drives the driven part (402) to drive the fixing piece (40) to move close to or far away from the mounting seat (20) so that the tensioning wheel (10) can adjust tensioning or loosening of the conveying belt;
-a housing (50), the housing (50) being provided with a locking mechanism (60), the driving member (30) being further provided with a locking portion (302), the locking mechanism (60) being adapted to lock or unlock the locking portion (302) to prevent or allow the driving member (30) to rotate in a first direction;
the outer peripheral wall of the locking part (302) is provided with a ratchet, the locking mechanism (60) is provided with a claw (602), the claw (602) is suitable for extending into or keeping away from a tooth groove of the ratchet so as to lock or unlock the ratchet, wherein when the driving piece (30) rotates along a first direction, the driving part (301) drives the driven part (402) to drive the fixing piece (40) to move away from the mounting seat (20), the ratchet inclines towards a second direction, and when the driving piece (30) rotates along the second direction, the driven part (402) drives the fixing piece (40) to move close to the mounting seat (20).
2. A tensioning assembly of a conveyor according to claim 1, characterized in that the driving part (301) is configured as a worm, and the driven part (402) comprises a rack (4021) and a seat (4022), the rack (4021) is in meshed connection with the worm, one end of the rack (4021) away from the driving part (30) is fixedly connected with the seat (4022), and the seat (4022) is fixedly connected with the fixing part (401).
3. A tensioning assembly of a conveyor according to claim 1, characterized in that the housing (50) defines an installation space, that the end of the driving member (30) provided with the driving part (301) extends into the housing (50), and that the end of the fixing member (40) provided with the driven part (402) extends into the housing (50), that the housing (50) is adapted to be fixed and for protecting the driving part (301) and the driven part (402).
4. The tensioning assembly of a conveyor according to claim 1, wherein the locking mechanism (60) comprises an unlocking key (601) and a claw (602), the unlocking key (601) is arranged on the outer wall surface of the shell (50), the unlocking key (601) is connected and matched with the claw (602), and the claw (602) is driven to move away from a tooth groove of the ratchet when the unlocking key (601) is pressed.
5. The tensioning assembly of a conveyor according to claim 4, wherein the clamping jaw (602) comprises a clamping portion (6021), a rotating portion (6022) and a pressing portion (6023) which are sequentially connected, the clamping portion (6021) is suitable for extending into the tooth socket to be matched with the ratchet in a clamping mode, the rotating portion (6022) is pivotally connected with the shell (50), the unlocking key (601) is matched with the pressing portion (6023) in a connecting mode, and the pressing portion (6023) is driven to rotate around the rotating axis of the rotating portion (6022) when the unlocking key (601) is pressed, so that the clamping portion (6021) moves away from the tooth socket of the ratchet.
6. The tensioning assembly of a conveyor according to claim 5, wherein the locking mechanism (60) further comprises a return member (603), one end of the return member (603) is abutted against the housing (50) and the other end of the return member is abutted against the unlocking key (601), the return member (603) is used for driving the unlocking key (601) to return, and the unlocking key (601) drives the pressing portion (6023) to drive the clamping portion (6021) to rotate around the rotation axis of the rotation portion (6022) so that the clamping portion (6021) moves close to a tooth groove of the ratchet.
7. A tensioning assembly of a conveyor according to claim 1, characterized in that the mounting base (20) has a first pivoting portion (201), the end of the driving member (30) adjacent to the mounting base (20) being provided with a second pivoting portion (303), the first pivoting portion (201) being pivotally engaged with the second pivoting portion (303) for pivotally connecting the driving member (30) to the mounting base (20).
8. A conveyor, comprising:
a conveyor belt;
-a tensioning assembly (100), the tensioning assembly (100) being for adjusting the belt tensioning or loosening, the tensioning assembly (100) being a tensioning assembly of a conveyor according to any one of claims 1-7.
CN202311218319.7A 2023-09-21 2023-09-21 Tensioning assembly of conveyor and conveyor Active CN116969130B (en)

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