CN217682768U - Electric control tensioning device - Google Patents
Electric control tensioning device Download PDFInfo
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- CN217682768U CN217682768U CN202222018034.6U CN202222018034U CN217682768U CN 217682768 U CN217682768 U CN 217682768U CN 202222018034 U CN202222018034 U CN 202222018034U CN 217682768 U CN217682768 U CN 217682768U
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Abstract
The utility model relates to the field of electric control transformation of a tensioning structure, in particular to an electric control tensioning device, which comprises a shell, a reciprocating piece and a driving piece; the shell is provided with a first stop switch and a second stop switch which are used for controlling the driving piece; the reciprocating piece is provided with an end part butted with an external cable; the driving piece is used for driving the reciprocating piece to reciprocate so as to realize switching between a tensioning state and a loosening state of an external cable; the first stop switch and the second stop switch are selectively abutted against the reciprocating member to suspend the driving of the driving member on the reciprocating member. The utility model relates to an ingenious, novel structure provides the automatically controlled overspeed device tensioner of the soft axis of general type that adjusts convenience and small, has very showing popularization meaning.
Description
Technical Field
The utility model relates to a tensioning structure's automatically controlled transformation field, concretely relates to automatically controlled overspeed device tensioner.
Background
The combine consists of a header, a threshing device, a conveying device, a grain tank, an engine, a transmission device, a walking device, a hydraulic system, an electrical system, a control device and the like, and the power clutch of mechanisms of the combine, such as cutting, threshing, grain unloading and the like, generally adopts a belt tensioning clutch mode. The clutch handle is connected with the soft axis, and the soft axis is connected with the tension wheel, so that the connection and disconnection of power are realized.
The electric control clutch is a basic requirement for realizing the intellectualization and automation of the combine harvester, the tightness degree of a soft axis connected with a handle of the clutch can be controlled to meet the requirement, different electric control tensioning devices are developed aiming at different clutch forces and clutch strokes in the market at present, although the electric control transformation of the clutch is realized to a certain degree, the electric control clutch still has some obvious defects such as:
1. the produced electric control tensioning device has single clutch stroke and is not suitable for batch production;
2. the electric control device in the market at present is generally large in size and cannot be applied to a plurality of machine type combine harvesters;
therefore, it is desirable to provide a general-purpose soft axis tensioning electric control device with adjustable clutch stroke, convenient adjustment and small volume.
SUMMERY OF THE UTILITY MODEL
To the technical problem of above-mentioned at least one, the utility model aims at providing an adjust convenient and small soft axis tensioning's of general type electrically controlled device.
In order to realize the purpose, the utility model provides an automatically controlled overspeed device tensioner, the technical scheme of adoption as follows:
an electrically controlled tensioner comprising:
the reciprocating part is arranged on the shell;
the shell is provided with a first stop switch and a second stop switch which are used for controlling the driving piece;
the reciprocating piece is provided with an end part butted with an external cable;
the driving piece is used for driving the reciprocating piece to reciprocate so as to realize switching between a tensioning state and a loosening state of an external cable;
the first stop switch and the second stop switch selectively collide with the reciprocating member to suspend the driving of the reciprocating member by the driving member.
Through the arrangement of the structure, the reciprocating piece is respectively tensioned or loosened with the first stop switch and the second stop switch at two ends of the reciprocating movement, so that the tensioning device is stable and reliable, the electric control transformation of the tensioning of the cable is realized, and meanwhile, the tensioning device has a smaller structural volume and is far superior to the prior art.
In some embodiments, the driving member comprises a gear and a motor capable of rotating in a forward and reverse direction, and the gear is arranged on a motor shaft of the motor;
the reciprocating member is provided with a gear structure matched with the gear so as to drive the reciprocating member to rotate in a reciprocating manner through the forward and reverse rotation of the gear.
The technical scheme further discloses that the driving part adopts a positive and negative rotation motor and a matching structure of the reciprocating part and the motor through tooth-shaped meshing, the transmission of the reciprocating part and the driving part is simple and reliable, and meanwhile, the motor is more convenient to realize automatic control.
In some embodiments, the tooth form structure is a circular tooth or a sector tooth;
one end of the reciprocating piece, which is far away from the tooth-shaped structure, is pivoted to the shell to be used as a rotating center of the reciprocating piece.
In the technical scheme, the tooth-shaped structure of the reciprocating piece is further set to be circular teeth or sector teeth, the reciprocating piece swings between the two stop switches relative to the shell, the occupied space volume is smaller, and the volume of the whole device is further reduced.
In some embodiments, the end of the shuttle for butting against an external cable is fixed between the rotation center of the shuttle and the tooth-shaped structure.
The end part of the reciprocating piece, which is used for butting the external cable, is further limited to be fixed between the rotating center of the reciprocating piece and the tooth-shaped structure, the rotating radius of the end part is smaller than that of the tooth-shaped structure, and compared with the prior art, the size is further reduced.
In some embodiments, in the tensioned state, the shuttle is configured to abut a connection line between an end of the circumscribed cable and a rotational center of the shuttle in a direction parallel to an extending direction of the circumscribed cable.
Among this technical scheme, through the further restriction to the reciprocating member structure, make the reciprocating member move to the moment that bears on the reciprocating member after the tensioning state for zero, avoid the reciprocating member to have relative rotation trend and damage the motor of being connected with the gear for the gear, greatly improved the life of this device.
In some embodiments, further comprising a contact;
the contact piece is detachably arranged on the reciprocating piece and is used for forming interference fit with the first stop switch or the second stop switch.
This technical scheme further discloses set up the structure of contact piece on the reciprocating member, through the contact piece that sets up in addition, not only the first stop switch of the adaptation and second stop switch of being more convenient for have also reduced the production degree of difficulty of reciprocating member and contact piece, have reduced the cost of manufacture, and contact piece is after using wearing and tearing, more convenient timely replacement.
In some embodiments, the reciprocating member is provided with a plurality of mounting stations for mounting the contact member;
the installation stations are distributed on the reciprocating piece along the direction of the reciprocating motion so as to adjust the collision stroke of the contact piece and the first stop switch or the second stop switch.
Further disclosed a plurality of conflict piece installation stations among this technical scheme, can adjust the conflict stroke of conflict piece and first stop switch or second stop switch through adjusting the mounted position of conflict piece on the reciprocating member, further adjust overspeed device tensioner to the tensioning degree of external cable, have tensioning stroke adjustable technical effect.
In some embodiments, the contact piece is provided with a strip-shaped through hole extending along the reciprocating direction;
the device also comprises a compression screw;
the reciprocating piece is provided with a threaded hole matched with the compression screw, and the threaded part of the compression screw can pass through the strip-shaped through hole and is matched and connected with the threaded hole to compress the contact piece.
The utility model discloses another kind of tensioning stroke adjustable structure, set up the bar through-hole that extends along the reciprocating direction promptly on the piece of contact and realize the dual technological effect of conflict piece installation and regulation through the housing screw who passes the bar through-hole, have overall structure and retrench but adjust effectual characteristics, also reduced the preparation cost of reciprocating member.
In some embodiments, the end of the reciprocating member for butting against the external cable is a pin fixed on the reciprocating member;
the casing is provided with the confession on the confession the round pin axle passes through the opening, the one end of round pin axle is left to be established the inside of casing, and the other end passes through the opening stretches out the casing is used for connecting external cable.
Among this technical scheme, through the pintle junction cable that stretches out the casing and all set up driving piece, reciprocating member isotructure inside the casing, not only separate inside mechanism and cable, can effectively protect inner structure, the device also has better wholeness and littleer volume simultaneously, is applicable to multiple job scene.
In some embodiments, a cable direction adjustment is also included;
the cable direction adjusting piece is provided with a groove or a hole for the cable to pass through;
a plurality of mounting hole positions are preset on the outer wall of the shell so that the cable direction adjusting piece has different mounting postures.
The technical scheme further discloses a structure of the cable direction adjusting piece, on one hand, the wire inlet position and direction of the cable can be adjusted, and the electric control tensioning device is convenient to install; on the other hand, the cable direction adjusting piece can also bear the pressure of a part of external cables acting on the electric control tensioning device, and the service life is prolonged.
To sum up, the utility model relates to an ingenious, novel structure provides the automatically controlled overspeed device tensioner of soft axis of general type that adjusts convenience and small, has very showing popularization meaning.
Drawings
The invention will be described in further detail with reference to the following drawings and embodiments:
FIG. 1 is a schematic view of the overall appearance of the present invention;
FIG. 2 is a schematic view of another perspective of the present invention
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is another schematic view of the internal structure of the present invention;
fig. 5 is a schematic structural view of the present invention provided with a fixed contact;
the reference numbers illustrate:
a housing 100, a cable direction adjuster 101;
the device comprises a reciprocating piece 200, a collision piece 201, a compression screw 202, a pin shaft 203 and a fixed collision piece 204;
a driving member 300, a motor 301, a gear 302;
a first stop switch 400;
and a second stop switch 500.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
Referring to fig. 1 to 5, a specific embodiment of an electrically controlled tensioner according to the present invention is illustrated, which includes a housing 100, a reciprocating member 200 and a driving member 300, wherein the housing 100 is used as a mounting base for other components, and the shape of the housing can be flexibly designed according to actual needs. It should be noted that, in other embodiments utilizing the same working principle of the present invention, the housing 100 may also be configured to include only the reciprocating member 200 and the driving member 300 therein, which should also be considered as a variant of the present invention and be within the protection scope of the present invention. The housing 100 is provided with a first stop switch 400 and a second stop switch 500 for controlling the driving member 300, and when the first stop switch 400 or the second stop switch 500 is operated to switch to the on-off state, the state of the driving member can be controlled. In this embodiment, the reciprocating member 200 has an end abutting against the external cable, the driving member 300 is configured to drive the reciprocating member 200 to reciprocate to switch between the tensioning state and the releasing state of the external cable, and the first stop switch 400 and the second stop switch 500 are selectively abutted against the reciprocating member 200 to suspend the driving of the reciprocating member 200 by the driving member 300.
In some embodiments, the driving member 300 may be specifically configured to include a motor 301 and a gear 302 capable of rotating forward and backward, the gear 302 is disposed on the shaft of the motor 301 and is driven by the motor 301, as an example, the window motor 301 in the prior art is a structure in which the gear 302 is disposed on the shaft of the motor 301, and may be selected as a specific embodiment of the present invention, the reciprocating member 200 has a tooth profile structure adapted to the gear 302 to reciprocally drive the reciprocating member 200 by the forward and backward rotation of the gear 302, the forward and backward rotation of the motor 301 may produce a technical effect of moving the reciprocating member 200 in opposite directions, and the tooth profile structure of the gear 302 on the motor 301 may have various modified embodiments, such as a circular tooth or a sector tooth; or, the tooth profile structure is set up to be the bar tooth, and in the embodiment that the tooth profile structure is set up to be circular tooth or fan-shaped tooth, reciprocating member 200 keeps away from the one end pin joint of tooth profile structure in casing 100 and with this pin joint end as the center of rotation of reciprocating member 200, reciprocating member 200 can do reciprocal swing between first stop switch 400 and second stop switch 500 under the drive of the positive and negative rotation of gear 302, and this structure is the utility model discloses a preferred embodiment, has transmission structure simple and reliable, the space occupies little technical effect, the utility model discloses another preferred embodiment is that the tooth profile structure is the bar tooth, and reciprocating member 200 can do reciprocating translational motion between first stop switch 400 and second stop switch 500 under the drive of the positive and negative rotation of gear 302, in order to realize this technical effect, still should be provided with the spout that is suitable for reciprocating member 200 on casing 100 in order to with reciprocating member 200 sliding connection and guarantee the reliability of moving process.
As a further preference, in the embodiment that the reciprocating member 200 is provided with the tooth-shaped structure, the end of the reciprocating member 200 for butting against the circumscribed cable is fixed between the rotation center of the reciprocating member 200 and the tooth-shaped structure. The radius of rotation of the end portion has a smaller radius of rotation than the tooth-shaped structure, which reduces the volume even further compared to the prior art.
In the above embodiment, the two ends of the reciprocating motion of the reciprocating member 200 are the tensioning end and the releasing end, respectively. Correspondingly, the external cable is in a tensioned state or a relaxed state at the tensioning end and the releasing end, in some embodiments, the relative position of the first stop switch 400 or the second stop switch 500 can be adjusted, so that when the reciprocating member 200 runs to the tensioning end, the connecting line direction between the end of the external cable and the rotation center of the reciprocating member 200 is parallel to the extending direction of the external cable, and the structural arrangement is in a sense that the tensile force borne by the cable can be reduced to zero relative to the rotation torque of the reciprocating member 200, so that the reciprocating member 200 still has a relative movement tendency relative to the gear 302 in the tensioned state, and the window motor 301 is damaged, and the service life of the window motor 301 can be greatly prolonged through the structure.
As shown in fig. 3 to 4, in some embodiments, the present invention further includes two abutting members 201, and it can be known that the abutting members 201 are disposed on the reciprocating member 200 and are used to cooperate with the first stop switch 400 or the second stop switch 500. The shape of the contact element 201 can be adapted to any common shape of the stop switch, such as a rod shape, a needle shape or a contact point shape, and the like, and the separate arrangement of the contact element 201 on the reciprocating member 200 has many meanings, on one hand, the stop switch generally has a specific shape, the reciprocating member 200 needs to form a transmission structure with the driving member 300, and also forms a contact matching structure with the stop switch, so that the production difficulty of the reciprocating member 200 is greatly increased, and the problem can be well solved by using the separately prepared contact element 201. On the other hand, the abutting member 201 adapted to the stopper switch may be made of a different material from the reciprocating member 200 to satisfy various requirements in terms of process or strength, significantly reducing the production cost. In addition, in some embodiments, the interference member 201 is preferably detachably disposed on the reciprocating member 200, and the interference member 201 can be conveniently replaced after being worn in use. Of course, the interference member and the reciprocating member 200 may be integrally formed.
On the basis of the foregoing embodiment provided with the contact 201, the reciprocating member 200 may further preferably be provided with a plurality of mounting stations for mounting the contact 201, the plurality of mounting stations are distributed on the reciprocating member 200 along the direction of the reciprocating movement of the reciprocating member 200 to adjust the collision stroke of the contact 201 with the first stop switch 400 or the second stop switch 500, that is, the contact 201 is used for cooperating with the first stop switch 400 or the second stop switch 500 such that the end is closer to the middle position of the reciprocating member 200 in the reciprocating movement, the contact of the contact with the stop switch requires a longer stroke of the reciprocating member 200 movement, the degree of tension of the external cable connected with the reciprocating member 200 is increased, the technical effect of adjusting the position of the contact 201 by using different mounting stations can be achieved, the tension stroke of the tension control device is adjustable, which is far superior to the prior art, in some other embodiments, as shown in fig. 5, one of the contact 201 may be provided with an adjustable structure, while the other 201 is provided with a fixed contact 204, the cost of adjusting the contact is reduced by the contact 201 being provided with an adjustable structure, which is provided with an adjustable structure that the contact 201 is provided in the direction of parallel to the cable is not required to be extended in the production center of the cable.
In other embodiments, another structure form for adjusting the installation position of the contact element 201 is provided, specifically, a strip-shaped through hole extending along the reciprocating direction is provided on the contact element 201, and further, the structure form further includes a compression screw 202, a threaded hole adapted to the compression screw 202 is provided on the reciprocating element 200, a threaded portion of the compression screw 202 is disposed through the strip-shaped through hole and is in fit connection with the threaded hole to compress the contact element 201, and the compression screw 202 is screwed out to a desired position, and then the contact element 201 can be fixed on a predetermined position by screwing the compression screw 202, so as to satisfy a desired tensioning stroke. It should be noted that, in this embodiment, the collision member 201 essentially has a stepless adjustment technical effect, and can satisfy the control of any tension degree within the range, so it can be understood that the stepless adjustment technical effect can also be realized by the reciprocating member 200, that is, the structures such as the compression screw 202 and the bar-shaped through hole are correspondingly exchanged between the collision member 201 and the reciprocating member 200, and for general technical means in the field, no further description is provided herein, and all of them are within the protection scope of the present invention.
In some embodiments, the end of the reciprocating member 200 for butting against an external cable is a pin 203 fixed on the reciprocating member 200, an opening for the pin 203 to pass through is provided on the housing 100, one end of the pin 203 is left inside the housing 100, and the other end of the pin extends out of the housing 100 through the opening and is used for connecting an external cable. In the embodiment that reciprocating member 200 adopted fan-shaped tooth structure, because reciprocating member 200 is the swing form motion, consequently the opening that sets up on casing 100 also needs to satisfy this motion requirement and is set up to be curved breach, through the structure setting with round pin axle 203 passes casing 100, not only can realize separating inside mechanism and cable, effectively protect inner structure's technological effect, the device also has better wholeness and littleer volume simultaneously, is applicable to multiple job scene.
In some embodiments, it is preferable that the cable direction adjusting device 101 is further included, the cable direction adjusting device 101 is installed on an outer wall of the casing 100, and a groove or a hole for passing the cable is provided on the outer wall, and one of the cable direction adjusting devices 101 is used for bearing the pressure from the external cable to the casing 100, so as to protect the casing 100 structure. On the other hand, as a further preference, a plurality of mounting holes may be preset on the outer wall of the housing 100 to enable the cable direction adjusting member 101 to have different mounting postures, and a portion of the cable connected to the pin 203 between the pin 203 and the cable direction adjusting member 101 presents different wire feeding directions, so that on one hand, the cable may be used to adjust the tensioning degree of the cable, and on the other hand, the center of the gear 302, the contact portion of the gear 302 and the tooth-shaped structure, and the end of the reciprocating member 200 for butting against the external cable are set to be located in the same linear direction.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. Automatically controlled overspeed device tensioner, its characterized in that includes:
the reciprocating part is arranged on the shell;
the shell is provided with a first stop switch and a second stop switch which are used for controlling the driving piece;
the reciprocating piece is provided with an end part butted with an external cable;
the driving piece is used for driving the reciprocating piece to reciprocate so as to realize switching between a tensioning state and a releasing state of an external cable;
the first stop switch and the second stop switch are selectively abutted against the reciprocating member to suspend the driving of the driving member on the reciprocating member.
2. An electrically controlled tensioning device according to claim 1,
the driving part comprises a gear and a motor capable of rotating forward and backward, and the gear is arranged on a motor shaft of the motor;
the reciprocating member is provided with a gear structure matched with the gear so as to drive the reciprocating member to rotate in a reciprocating manner through the forward and reverse rotation of the gear.
3. An electrically controlled tensioning device according to claim 2,
the tooth-shaped structure is a circular tooth or a sector tooth;
one end of the reciprocating piece, which is far away from the tooth-shaped structure, is pivoted to the shell to be used as a rotating center of the reciprocating piece.
4. An electrically controlled tensioner according to claim 3,
the end part of the reciprocating piece, which is used for butting an external cable, is fixed between the rotation center of the reciprocating piece and the tooth-shaped structure.
5. An electrically controlled tensioning device according to claim 3,
in the tensioning state, the connection direction between the end part of the externally connected cable and the rotation center of the reciprocating piece is parallel to the extension direction of the externally connected cable.
6. An electrically controlled tensioning device according to claim 1,
the device also comprises a contact piece;
the contact piece is detachably arranged on the reciprocating piece and is used for forming interference fit with the first stop switch or the second stop switch.
7. An electrically controlled tensioning device according to claim 6,
the reciprocating piece is provided with a plurality of mounting stations for mounting the contact piece;
the installation stations are distributed on the reciprocating piece along the reciprocating direction so as to adjust the collision stroke of the contact piece and the first stop switch or the second stop switch.
8. An electrically controlled tensioner according to claim 6,
the contact piece is provided with a strip-shaped through hole extending along the reciprocating motion direction;
the device also comprises a compression screw;
the reciprocating piece is provided with a threaded hole matched with the compression screw, and the threaded part of the compression screw can pass through the strip-shaped through hole and is matched and connected with the threaded hole to compress the contact piece.
9. An electrically controlled tensioning device according to any one of claims 1-8, characterized in that,
the end part of the reciprocating piece, which is used for butting the external cable, is a pin shaft fixed on the reciprocating piece;
the casing is provided with the confession on the confession the opening that the round pin axle passes through, the one end of round pin axle is stayed and is established the inside of casing, and the other end passes through the opening stretches out the casing is used for connecting external cable.
10. An electrically controlled tensioning device according to claim 9,
the cable direction adjusting piece is also included;
the cable direction adjusting piece is provided with a groove or a hole for the cable to pass through;
a plurality of mounting hole positions are preset on the outer wall of the shell, so that the cable direction adjusting piece has different mounting postures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222018034.6U CN217682768U (en) | 2022-08-02 | 2022-08-02 | Electric control tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222018034.6U CN217682768U (en) | 2022-08-02 | 2022-08-02 | Electric control tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217682768U true CN217682768U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222018034.6U Active CN217682768U (en) | 2022-08-02 | 2022-08-02 | Electric control tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217682768U (en) |
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2022
- 2022-08-02 CN CN202222018034.6U patent/CN217682768U/en active Active
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