CN208972005U - Tedder - Google Patents

Abstract

The utility model provides a kind of tedder, including shell, the traveling wheel that is used to support the tedder, for drive the traveling wheel from walk walk certainly motor and for controlling it is described from the control panel for walking electric motor starting and closing.The traveling wheel includes a pair of of front walking wheel and a pair of of rear walking wheel, and described from motor is walked includes first from motor and second is walked from walking motor.The tedder further includes for controlling described first from the first control element for walking electric motor starting or closing and for controlling described second from the second control element for walking electric motor starting or closing, second control element is arranged on the control panel, for detecting first from walking the power of motor and pass to the control panel, the control panel from the energetic start up for walking motor or closes second from walking motor according to first received.

Description

Tedder

Technical field

The utility model relates to graden machine field more particularly to a kind of tedders.

Background technique

Tedder is a kind of common garden instrument, it is traditional walk certainly tedder be driven by retarder front-wheel or after Wheel is to realize automatic walking function.From walking to will appear when tedder encounters climbing during mowing, speed reduction is even balky Phenomenon, the reason of there occur a phenomenon in which are that load becomes larger during climbing, walk the requirement that load is not achieved in power of motor certainly.If Only increase from walking the power for walking motor certainly of tedder, then will cause when from when walking tedder and being run on level land from the leakage of electricity The power of machine is lower, and motor can not be made to reach maximal efficiency ratio, cause energy loss excessive, cause to waste.

In view of this, it is necessary to a kind of improved tedder is designed, to solve the above problems.

Utility model content

A kind of the purpose of this utility model is to provide energy-saving effects good, easy to operate tedder.

To achieve the above object, the utility model provides a kind of tedder, including shell, is used to support the tedder Traveling wheel, for drive the traveling wheel from walk walk certainly motor and for controlling it is described from walking electric motor starting and close Control panel, the traveling wheel include a pair of of front walking wheel and a pair of of rear walking wheel, and described from motor is walked includes first from the leakage of electricity For machine and second from motor is walked, the tedder further includes for controlling described first from the first control for walking electric motor starting or closing Element and for controlling described second from the second control element of electric motor starting or closing is walked, the second control element setting exists On the control panel, for detecting described first from walking the power of motor and pass to the control panel, the control is electric Plate walks motor from the energetic start up or closing described second for walking motor according to first received certainly.

As a further improvement of the utility model, the control panel by receive first from walk the power of motor with Setting value is compared, and when described first is higher than the upper limit of setting value from the power for walking motor, the control panel controls institute It states second and walks electric motor starting certainly, when described first is lower than the lower limit of setting value from the power for walking motor, the control panel control Described second is made to close from leakage of electricity organ.

The upper limit of the setting value is 300-350W as a further improvement of the utility model, under the setting value It is limited to 200-250W.

It described first is examined as a further improvement of the utility model, from the power for walking motor by second control element It surveys described first and calculates acquisition from the electric current for walking motor.

The tedder further includes the push rod being connected with the shell as a further improvement of the utility model, described First control element is arranged at the top of the push rod and is connected with the control panel, for controlling the control panel starting Or it closes described first and walks motor certainly.

First control element is to walk to draw certainly described in pulling from pull rod is walked as a further improvement of the utility model, When bar makes it with fitting at the top of the push rod, described first walks electric motor starting certainly；Certainly pull rod is walked described in unclamping, it is described to walk to draw certainly Bar restores to initial position, and described first closes from leakage of electricity organ.

The U-shaped setting of the push rod as a further improvement of the utility model, and including along the rear backward The third handle of first handle and second handle and the connection first handle and second handle that top extends, the third Handle is located at the top of the push rod, and described first from when walking electric motor starting, described to be pulled to and the third from walking pull rod Handle fits.

The tedder further includes with described first from walk that motor is connected the as a further improvement of the utility model, One deceleration mechanism and with described second from walking the second deceleration mechanism that motor is connected, first deceleration mechanism and the second speed reducer Clutch is equipped in structure.

The control panel is pcb board as a further improvement of the utility model, and described first walks motor and second certainly It is electrically connected with the pcb board respectively from motor is walked.

The tedder further includes the power supply group of setting on the housing as a further improvement of the utility model, Part, described first is powered by the power supply module from motor and second is walked from walking motor.

The beneficial effects of the utility model are: the tedder of the utility model on control panel by being arranged the second control Element, to detect first using second control element from walking the power of motor and pass to control panel, thus institute Second can be controlled from the starting or closing for walking motor, not only from the power of motor is walked according to first received by stating control panel With energy-saving effect, and operation, maintenance maintenance are convenient.

Detailed description of the invention

Fig. 1 is the first embodiment stereoscopic schematic diagram of the utility model tedder.

Fig. 2 is in Fig. 1 from the structural schematic diagram for walking switch enclosure and push button.

Fig. 3 is the working principle circuit diagram of tedder shown in Fig. 1.

Fig. 4 is the second embodiment stereoscopic schematic diagram of the utility model tedder.

Fig. 5 is the working principle circuit diagram of tedder shown in Fig. 4.

Fig. 6 is the 3rd embodiment stereoscopic schematic diagram of the utility model tedder.

Fig. 7 is the structural schematic diagram that the front walking wheel of angular-rate sensor is provided in Fig. 6.

Fig. 8 is the working principle circuit diagram of tedder shown in Fig. 6.

Specific embodiment

In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing and it is embodied The utility model is described in detail in example.

Refering to Figure 1, the utility model discloses a kind of tedder 100 for walking driving certainly.The tedder 100 wraps Include shell 1, the push rod 2 being connected with the shell 1, the traveling wheel for being used to support the tedder 100, for driving the walking Wheel walks motor, for controlling the control panel 5 for walking electric motor starting and closing certainly and assembling with the shell 1 from what is walked certainly The housing (not shown) of cooperation.

Blade and the motor for driving the blade rotation, the blade and the motor are provided in the shell 1 Combination forms Power Component 11.The bottom of the shell 1 is arranged in the blade, and can revolve along the rotary shaft perpendicular to ground Turn, is cut with the green grass to ground.It is additionally provided on the shell 1 power supply module (not shown), the power supply module is used In providing power supply for the tedder 100, guarantee that grass cutting action effectively carries out.

The U-shaped setting of the push rod 2, and the first handle 21 including extending rearwardly and upwardly along 1 rear portion of shell and The third handle 23 of two handles 22 and the connection first handle 21 and second handle 22, the third handle 23 are located at described The top of push rod 2, so that operator may stand in the rear of push rod 2, the third handle 23 for grasping push rod 2 is operated.It is described First handle 21, second handle 22 and third handle 23 can be integrally formed setting, can also be formed with assembly connection, as long as convenient Tedder 100 is operated, is not limited in this.

It is provided with foldable structure 24 on the first handle 21 and second handle 22, the foldable structure 24 is used for pushing away The angle of bar 2 is adjusted, consequently facilitating the folding of tedder 100 is placed.It is additionally provided on the shell 1 and component 12, institute is turned up It states and component 12 is turned up for adjusting the height between the shell 1 and ground, so as to adjust cutting-height.

Operator switch enclosure 25, the operator switch are provided at the position of the close third handle 23 of the second handle 22 Be provided in box 25 and start switch (not shown), start button 26 and reset spring (not shown), it is described start switch with it is described Motor is connected, for starting the motor.The tedder 100 further includes the operator switch close to the third handle 23 setting Pull rod 27, the operator switch lever 27 are set to the top of the operator switch enclosure 25 and are connected with described start switch.

When to start the blade of the tedder 100, the start button 26 is pressed first, then pulls the operator Switch lever 27 makes the operator switch lever 27 fit with the third handle 23, at this time the operator switch lever 27 It is started switch described in pulling, make the electric motor starting and the blade is driven to rotate, carry out cutting work；When cutter is completed Afterwards, the operator switch lever 27 is unclamped, the operator switch lever 27 is restored under the action of reset spring to initial position, Closing is started switch at this time, blade stops rotating.

The tedder 100 of the utility model on startup, needs first to press start button 26, and operator is then pulled to switch again Pull rod 27 is acted twice using this, can prevent that error starting occurs touching start button 26 unintentionally, safety coefficient compared with It is high.

The traveling wheel includes a pair of of front walking wheel 31 and a pair of of rear walking wheel 32；Certainly the motor of walking includes described in driving Front walking wheel 31 is from first walked from walking motor 41 and drive the rear walking wheel 32 from second walked from walking motor 42, and described the One is powered by the power supply module from motor 41 and second is walked from walking motor 42, and described first from motor 41 and second is walked from walking Motor 42 is electrically connected with the control panel 5 respectively.In the utility model, the control panel 5 be pcb board, described first Be electrically connected with the pcb board respectively from motor 41 and second is walked from walking motor 42, so as to by pcb board control described first from The starting for walking motor 41 and closing, second are from walking the starting and closing of motor 42.

It should be understood that first from motor 41 is walked is used to that the front walking wheel 31 to be driven to walk certainly in the present embodiment, second From motor 42 is walked for driving the rear walking wheel 32 to walk certainly；Certainly, it described first can also be used for described in driving from walking motor 41 Rear walking wheel 32 is walked certainly, described second from motor 42 is walked is used to that the front walking wheel 31 to be driven to walk certainly at this time, in this not limitation.

The tedder 100 further includes with described first from walking the first deceleration mechanism 43 that motor 41 is connected and with described the Two from the second connected deceleration mechanism 44 of motor 42 is walked, be equipped in first deceleration mechanism 43 and the second deceleration mechanism 44 from Clutch (not shown), the clutch of first deceleration mechanism 43 are used to make first to subtract when first walks motor 41 certainly and do not work The output shaft of fast mechanism 43 is not contacted with the wheel shaft of front walking wheel 31, and the clutch of second deceleration mechanism 44 is used for second From when walking motor 42 and not working, contact the output shaft of the second deceleration mechanism 44 with the wheel shaft of rear walking wheel 32, thus when the One from motor 41 and/or second is walked from when walking motor 42 and being in close state, even if the tedder 100 is in from walking state, Described first from walking motor 41 and/or second will not reversely be driven by the front walking wheel 31 and rear walking wheel 32 from motor 42 is walked It is dynamic.The clutch is the prior art, and the specific structure of the clutch and principle of dynamics can refer to CN201721623687.X patent is no longer described in detail in this.

In the utility model, first deceleration mechanism 43 close to first from walk motor 41 be arranged, and be close to it is described before Traveling wheel 31 is arranged；Second deceleration mechanism 44 is arranged close to second from motor 42 is walked, and is close to the rear walking wheel 32 Setting；So set, control corresponding first convenient for control panel 5 walks the starting of motor 42 or pass from motor 41 and second is walked certainly It closes, then drives corresponding front walking wheel 31 to walk certainly using corresponding first deceleration mechanism 43, utilizes corresponding second speed reducer Structure 44 drives corresponding rear walking wheel 32 to walk certainly.

The tedder 100 further includes the first control element and the second control element, first control element with it is described Control panel 5 is connected, and walks motor 41 certainly for controlling the starting of control panel 5 or closing described first；Second control Element walks motor 42 for controlling the starting of control panel 5 or closing described second certainly.

Specifically, first control element walks pull rod 6 for what is be arranged at the top of the push rod 2 certainly, and described oneself walks Pull rod 6 is arranged close to the third handle 23；It pulls described from pull rod 6 is walked, makes described from walking pull rod 6 and the third handle 23 When fitting, described first starts from motor 41 is walked；From pull rod 6 is walked described in unclamping, the pull rod 6 of walking certainly restores to initial bit It sets, described first closes from motor 41 is walked.Certainly, in order to increase safety, volume can also increased in addition to pulling and walking pull rod 6 certainly Outer movement, Lai Shixian first walk the starting and closing of motor 41 certainly, and be anticipated that.

The side of the third handle 23 is arranged in the operator switch lever 27, the pull rod 6 of walking certainly is arranged described The other side of third handle 23, so set, when starting the tedder 100, it can be simultaneously by the operator switch lever 27 Certainly it walks pull rod 6 and is pulled to and fit with third handle 23, grasped convenient for operator.

Second control element controls described second and is walked there are many starting of motor 42 or the modes closed certainly, illustrates below Wherein three kinds of embodiments will be described in detail in book part, but should not be as limit.

Embodiment one, please refer to Fig.1 to Fig.3 shown in, be the utility model tedder 100 first embodiment.In this reality It applies in example, second control element is the push button 7 being arranged at the top of the push rod 2, the push button 7 and the control panel 5 are connected, and front and back pushes the push button 7, can control the control panel 5 to start or close described second and walk motor 42 certainly.

Specifically, it is provided on the first handle 21 from switch enclosure 28 is walked, the setting of push button 7 is left certainly described It closes on box 28.When operator stirs the push button 7 forward (or backward), the control panel 5 can control second and walk motor certainly 42 power on, so that control second starts from motor 42 is walked；When stirring the push button 7 backward (or forward), the control Battery plate 5 can control second and disconnect power supply from motor 42 is walked, so that control second is closed from motor 42 is walked.

The tedder 100 of the present embodiment when walking, pulls oneself to walk pull rod 6, so that oneself is walked pull rod 6 and is affixed with third handle 23 It closes, at this point, first starts and drive front walking wheel 31 from walking by the first deceleration mechanism 43 from walking motor 41, second from the leakage of electricity Machine 42 is in standby.It is to be noted that in the present embodiment, the premise that second, which walks motor 42 certainly, to open is first Starting state is in from motor 41 is walked.That is, when first walks the stopping of motor 41 certainly, even if push button 7 is in the open state, Second, which walks motor 42 certainly, to open.Certainly, in other embodiments, first 42 liang of motor are walked certainly from motor 41 and second is walked Manipulation between person can be mutually indepedent.

When tedder 100 is walked on level land, two front walking wheels 31 are driven to walk certainly from motor 41 is walked merely with first, Work requirements can be met；When encountering thick grass and bigger grade resistance, the push button 7 is pushed, makes second to walk motor 42 certainly Start and pass through the second deceleration mechanism 44 driving rear walking wheel 32 from walking, realizes four-wheel drive；Conversely, little in level land resistance Or when descending, second is closed from motor 42 is walked using push button 7, effectively save electric energy keeps tedder longer 100 cruise duration, Certainly, if at this time to walk speed certainly still excessive, operator can close and (unclamp) walks pull rod 6 certainly, makes first from walking motor 41 It closes, further saves electric energy.

Embodiment two please refers to shown in Fig. 4 and Fig. 5, is the second embodiment of the utility model tedder 100.In this reality It applies in example, second control element is a detection module (not shown), which is arranged on the control panel 5, For detecting described first from walking the power of motor 41 and be compared with setting value, with this to determine whether needing to start or close It closes second and walks motor 42 certainly.

Specifically, the variation for the supply voltage for walking motor 41 certainly because of described first is smaller, therefore first walks motor 41 certainly Power can be detected described first by the detection module and calculate acquisition from the electric current for walking motor 41, and detection module will be calculated and be obtained First from the power transfer of motor 41 is walked to control panel 5, so as to control panel 5 according to first received from walking motor 41 Power come control second from walk motor 42 starting or close.Preferably, the power for walking motor 41 certainly when described first, which is higher than, to be set When the upper limit of definite value, the control panel 5 controls described second from the starting of motor 42 is walked, when the function that described first walks motor 41 certainly When rate is lower than the lower limit of setting value, the control panel 5 controls described second and closes from motor 42 is walked.The upper limit of the setting value For 300-350W, preferably 320W；The lower limit of the setting value is 200-250W, preferably 240W.

The tedder 100 ' of the present embodiment when walking, is pulled from pull rod 6 is walked, and makes to walk pull rod 6 and 23 phase of third handle certainly Fitting, at this point, first walks the starting of motor 41 certainly and drive front walking wheel 31 to walk certainly from walking, second by the first deceleration mechanism 43 Motor 42 is in standby.

When tedder 100 ' is walked on level land, since resistance is smaller, first is smaller from the power for walking motor 41 at this time, It drives two front walking wheels 31 to walk certainly from motor 41 is walked merely with first, work requirements can be met.

When encountering thick grass and bigger grade resistance, the walking load of tedder 100 ' is larger, if detection module at this time Detect that first is larger from the power of walking motor 41 and when being more than the upper limit of setting value, starting second is from walking motor 42 and by the Two deceleration mechanisms 44 drive rear walking wheel 32 from walking, and realize four-wheel drive, then reduce by first from the operation function for walking motor 41 Rate avoids first from overloading from motor 41 is walked.

When tedder 100 ' is in descending, since resistance is smaller, tedder 100 ' walk to load certainly it is lower, if examining at this time It surveys module and detects that first is lower from the power of walking motor 41 and when being lower than the lower limit of setting value, close second from walking motor 42, First is set to be in preferable state from the efficiency for walking motor 41；Certainly, if at this time tedder 100 ' to walk speed certainly still excessive, Operator can close and (unclamp) walks pull rod 6 certainly, makes first from the closing of motor 41 is walked, saves electric energy, tedder 100 ' is made to continue a journey Time is longer.

Embodiment three please refers to shown in Fig. 6 to Fig. 8, is the 3rd embodiment of the utility model tedder 100.In this reality It applies in example, second control element is the angular speed sensing being arranged on the wheel shaft of the front walking wheel 31 or rear walking wheel 32 Device 7 ', the angular-rate sensor 7 ' is for passing to the control panel for the current angular velocity information of the traveling wheel in real time 5, the control panel 5 is according to the angular velocity information received to determine whether need to start or close described second walks motor certainly 42。

Specifically, since the size of traveling wheel is fixed, the control panel 5 can be according to the angular speed of traveling wheel Information calculates the current speed of travel of tedder 100 ", and is compared with setting value: when the tedder 100 " is current When the speed of travel is lower than the lower limit of setting value, the control panel 5 controls described second from the starting of motor 42 is walked, and pushes away grass when described When the current speed of travel of machine 100 " is higher than the upper limit of setting value, the control panel 5 controls described second and closes from motor 42 is walked It closes.The upper limit of the setting value is 1.4-2m/s, preferably 1.5m/s；The lower limit of the setting value is 0-1m/s, preferably 0.5m/s。

The tedder 100 " of the present embodiment when walking, is pulled from pull rod 6 is walked, and makes to walk pull rod 6 and 23 phase of third handle certainly Fitting, at this point, first walks the starting of motor 41 certainly and drive front walking wheel 31 to walk certainly from walking, second by the first deceleration mechanism 43 Motor 42 is in standby.

When tedder 100 " is walked on level land, since resistance is smaller, the speed of travel of tedder 100 " is at this time Between the upper limit and lower limit of setting value, drives two front walking wheels 31 to walk certainly from motor 41 is walked merely with first, work can be met Make demand.

When encountering thick grass and bigger grade resistance, the speed of travel of tedder 100 " is reduced, if control panel 5 at this time When calculating the speed of travel of tedder 100 " reduces and be lower than the lower limit of setting value, starting second is from walking motor 42 and by the Two deceleration mechanisms 44 drive rear walking wheel 32 from walking, and realize four-wheel drive, are then in the speed of travel of tedder 100 " Normal level.

When tedder 100 " is in descending, since resistance is smaller, tedder 100 " walks speed quickening certainly, if this time control When battery plate 5 processed calculates the speed of travel of tedder 100 " comparatively fast and is higher than the upper limit of setting value, closes second and walks motor 42 certainly, It is at a normal level the speed of travel of tedder 100 "；Certainly, if still excessive, the behaviour that walks speed certainly of tedder 100 " at this time Author can close and (unclamp) walks pull rod 6 certainly, makes first from the closing of motor 41 is walked, electric energy is saved, when tedder 100 " being made to continue a journey Between it is longer.

In conjunction with above three embodiments, it can be deduced that draw a conclusion: when individually walking motor driven is able to satisfy work requirements certainly When, only first from the work of motor 41 is walked, and realizes that two front walking wheels 31 are walked certainly；When individually walking motor driven is not able to satisfy work certainly When demand, second, from the start-up operation of motor 42 is walked, realizes four-wheel drive.First is divided from motor 41 and second is walked from walking motor 42 Independent control is opened, not only there is energy-saving effect, but also operation, maintenance maintenance are convenient.

The housing is clasped with the shell 1, for walking motor certainly to the shell 1, Power Component 11, first 41, second mask is carried out from the structures such as motor 42, control panel 5 are walked, to prevent dust, water stain etc. from causing power supply module, power Component 11, first guarantees tedder 100,100 ', 100 " from motor 41, second is walked from the damage for walking motor 42 and control panel 5 Work that can be safe and stable, extends the service life of tedder 100,100 ', 100 ".

In conclusion the tedder 100,100 ', 100 " of the utility model controls the by the first control element of setting One from the starting or closing for walking motor 41, while the second control element is arranged to control second from starting or the pass for walking motor 42 It closes, to can only control first from when walking motor driven and being able to satisfy work requirements when single from the work of motor 41 is walked, realize two Wheel drive；When single from when walking motor driven and not being able to satisfy work requirements, controllable second, from the start-up operation of motor 42 is walked, is realized Four-wheel drive；Individually control is separated from motor 42 is walked from motor 41 and second is walked by first, not only there is energy-saving effect, Er Qiecao Make, maintenance maintenance facilitates.

Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model Scheme is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention.

Claims (10)

1. a kind of tedder, including shell, the traveling wheel that is used to support the tedder, for driving the traveling wheel from walking From walk motor and for controlling it is described from the control panel for walking electric motor starting and closing, the traveling wheel include it is a pair of before walking Wheel and a pair of of rear walking wheel, it is characterised in that: described from motor is walked includes first from motor and second is walked from walking motor, described to push away Careless machine further includes walking the first control element of electric motor starting or closing and for controlling described second certainly for controlling described first From the second control element for walking electric motor starting or closing, second control element is arranged on the control panel, for examining It surveys described first to walk the power of motor certainly and pass to the control panel, the control panel is walked certainly according to first received Motor is walked in the energetic start up of motor or closing described second certainly.

2. tedder according to claim 1, it is characterised in that: the control panel walks motor for receive first certainly Power be compared with setting value, when described first is higher than the upper limit of setting value from the power for walking motor, the control is electric Plate control described second walks electric motor starting certainly, when described first is lower than the lower limit of setting value from the power for walking motor, the control Battery plate control described second processed is closed from leakage of electricity organ.

3. tedder according to claim 2, it is characterised in that: the upper limit of the setting value is 300-350W, described to set The lower limit of definite value is 200-250W.

4. tedder according to claim 1, it is characterised in that: described first is controlled from the power for walking motor by described second First calculates acquisition from the electric current for walking motor described in element testing processed.

5. tedder according to claim 1, it is characterised in that: the tedder further includes pushing away with what the shell was connected Bar, first control element is arranged at the top of the push rod and is connected with the control panel, for controlling the control Battery plate starts or closes described first and walks motor certainly.

6. tedder according to claim 5, it is characterised in that: first control element is to pull institute from pull rod is walked It states from when walking pull rod and making it with fitting at the top of the push rod, described first from walking electric motor starting；Pull rod is walked certainly described in unclamping, institute It states and restores to initial position from walking pull rod, described first closes from leakage of electricity organ.

7. tedder according to claim 6, it is characterised in that: the U-shaped setting of push rod, and including along the shell The third handle of first handle and second handle and the connection first handle and second handle that rear portion extends rearwardly and upwardly, The third handle is located at the top of the push rod, and described first from when walking electric motor starting, it is described from walk pull rod be pulled to The third handle fits.

8. tedder according to claim 1, it is characterised in that: the tedder further includes walking motor certainly with described first Connected the first deceleration mechanism and with described second from the second deceleration mechanism walking motor and being connected, first deceleration mechanism and the Clutch is equipped in two deceleration mechanisms.

9. tedder according to claim 1, it is characterised in that: the control panel is pcb board, and described first from the leakage of electricity Machine and second is electrically connected with the pcb board respectively from walking motor.

10. tedder according to claim 1, it is characterised in that: the tedder further includes being arranged on the housing Power supply module, described first is powered by the power supply module from motor and second is walked from walking motor.