阅读说明：本技术 一种饲草料收获机抛送装置防堵调节机构及其使用方法 (Anti-blocking adjusting mechanism of throwing device of forage harvester and using method thereof ) 是由 宋占华 李法德 殷晏姣 田富洋 闫银发 李玉道 李�浩 李宏硕 于 2020-08-04 设计创作，主要内容包括：本发明涉及一种饲草料收获机抛送装置防堵调节机构及其使用方法,其中的饲草料收获机抛送装置防堵调节机构包括开设在抛送进料通道侧壁上的排料孔、铰接在排料孔的弧板和安装在抛送装置壳体上的位置调节机构,弧板远离铰接点的一端安装有与位置调节机构对应的闭合调节机构；所述位置调节机构包括固定在抛送装置壳体上的闩锁,闩锁朝向闭合调节机构的侧面上设置有锥形凹槽；闭合调节机构包括一端伸至锥形凹槽中的锁销,以及将锁销向锥形凹槽所在侧顶紧的弹簧。本发明通过锁销和锥形凹槽的配合,当异物进入装置造成堵塞使弧板受到一定的压力时,使压缩弹簧被压缩,锁销与闩锁的凹槽分离,从而打开弧板,疏通堵塞,避免对刀具和壳体造成损坏。(The invention relates to an anti-blocking adjusting mechanism of a throwing device of a forage harvester and a use method thereof, wherein the anti-blocking adjusting mechanism of the throwing device of the forage harvester comprises a discharge hole arranged on the side wall of a throwing feeding channel, an arc plate hinged at the discharge hole and a position adjusting mechanism arranged on a throwing device shell, wherein one end of the arc plate far away from a hinged point is provided with a closing adjusting mechanism corresponding to the position adjusting mechanism; the position adjusting mechanism comprises a latch fixed on the shell of the throwing device, and a tapered groove is formed in the side surface, facing the closing adjusting mechanism, of the latch; the closing adjusting mechanism comprises a lock pin and a spring, wherein one end of the lock pin extends into the conical groove, and the spring is used for tightly pushing the lock pin towards the side where the conical groove is located. According to the invention, through the matching of the lock pin and the conical groove, when the arc plate is subjected to certain pressure due to the blockage caused by foreign matters entering the device, the compression spring is compressed, and the lock pin is separated from the groove of the latch, so that the arc plate is opened, the blockage is dredged, and the damage to the cutter and the shell is avoided.)

1. The utility model provides a forage grass harvester throws and send device and prevent stifled adjustment mechanism which characterized in that: the device comprises a discharge hole formed in the side wall of a throwing feeding channel, an arc plate (4) hinged to the discharge hole and a position adjusting mechanism (2) arranged on a throwing device shell (1), wherein a closing adjusting mechanism (3) corresponding to the position adjusting mechanism is arranged at one end, far away from a hinged point, of the arc plate;

the position adjusting mechanism (2) comprises a latch (8) fixed on the throwing device shell, and a conical groove is formed in the side surface, facing the closing adjusting mechanism, of the latch;

the closing adjusting mechanism (3) comprises a bracket (15) fixedly connected with the arc plate, a lock pin (14) which is connected on the bracket in a sliding mode and one end of which extends into the conical groove, and a spring (13) which tightly pushes the lock pin towards the side where the conical groove is located.

2. The anti-clogging adjustment mechanism for the throwing device of a forage harvester as claimed in claim 1, wherein: the arc plate is further fixedly connected with a fixing seat (10) located on one side, far away from the position adjusting mechanism, of the lock pin, an adjusting rod (11) with one end extending into the lock pin along the axial direction is arranged on the fixing seat in a penetrating mode, the adjusting rod is connected with the fixing seat in a threaded mode, the spring sleeve is arranged on the adjusting rod in a sleeved mode, one end of the spring is pushed to one end, far away from the position adjusting mechanism, of the lock pin, and the other end of the spring is pushed.

3. The anti-clogging adjustment mechanism for the throwing device of a forage harvester as claimed in claim 2, wherein: an adjusting handle (9) sleeved on the adjusting rod is further arranged between the lock pin and the spring, and a clamping groove for limiting the adjusting handle to move to the side where the position adjusting mechanism is located is formed in the support.

4. The anti-clogging adjustment mechanism for the throwing device of a forage harvester as claimed in claim 1, wherein: the latch comprises an end plate provided with the conical groove, a long hole extending along the opening direction of the arc plate is formed in the end plate, and a fastening bolt fixedly connecting the end plate and the throwing device shell penetrates through the long hole.

5. The anti-clogging adjustment mechanism for the throwing device of a forage harvester of claim 4, wherein: the latch further comprises a push plate fixedly connected with the end plate and a fixing rod (6) which is arranged on the push plate in a penetrating mode and is consistent with the extending direction of the long hole, and the fixing rod (6) is connected with the throwing device shell (1) through threads.

6. The anti-clogging adjustment mechanism for the throwing device of a forage harvester of claim 5, wherein: a guide plate (5) is fixedly connected to the casing of the throwing device, a through hole for the end plate to pass through is formed in the guide plate, and an adjusting nut in threaded connection with the fixed rod is further fixedly connected to the guide plate.

7. The anti-clogging adjustment mechanism for the throwing device of a forage harvester of claim 6, wherein: the fixed rod is provided with a rotating handle (7).

8. The use method of the anti-blocking adjusting mechanism of the throwing device of the forage harvester is characterized by comprising the following steps:

when foreign matters enter the throwing device to cause blockage, and the arc plate is pressed and reaches a certain value, the axial force borne by the lock pin overcomes the elastic force of the spring to push the lock pin out of the conical groove of the latch 8, so that the arc plate is opened to dredge the blockage;

when the rotor needs to be replaced, the arc plate is opened manually, the spring is compressed by dragging the adjusting handle, the lock pin is separated from the conical groove of the latch, and the adjusting handle is rotated to be fixed in the clamping groove of the bracket, so that the arc plate is opened;

when the spring needs to be pre-tightened, the fixing nut on the fixing seat is loosened, the adjusting rod moves forwards, and the distance between the adjusting rod and the lock pin for placing the spring is shortened, so that the pre-tightening of the spring is realized;

when the distance between the arc plate and the rotor needs to be adjusted, the bolt for connecting the shell of the throwing device and the latch is loosened, the fixing rod is rotated, the latch moves back and forth, and the position of the conical groove is adjusted to adjust the distance between the arc plate and the rotor.

Technical Field

The invention relates to the field of forage crop straw harvesters, in particular to an anti-blocking adjusting mechanism of a throwing device of a forage harvester, which is arranged on the throwing device to prevent the device from being damaged due to blocking.

Background

With the development of agricultural machinery equipment, the forage grass harvesting machinery realizes the integration from single mechanical equipment to the cutting, crushing and conveying of the forage grass at present, and in the throwing and conveying device of the harvester, the crushed forage grass is thrown outwards after being thrown into the feeding channel through the rotation of the rotor, so that the cutting, the throwing and the conveying of the forage grass are realized. However, if foreign matter enters the discharge device along with the fodder during the fodder chopping and discharging process, the cutter and the housing are abraded due to clogging when the chopping and discharging process is performed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an anti-blocking adjusting mechanism of a throwing device of a forage harvester.

The invention is realized by the following technical scheme, and provides an anti-blocking adjusting mechanism of a throwing device of a forage harvester, which comprises a discharge hole formed in the side wall of a throwing feeding channel, an arc plate hinged at the discharge hole and a position adjusting mechanism arranged on a throwing device shell, wherein a closing adjusting mechanism corresponding to the position adjusting mechanism is arranged at one end, far away from a hinged point, of the arc plate; the position adjusting mechanism comprises a latch fixed on the shell of the throwing device, and a tapered groove is formed in the side surface, facing the closing adjusting mechanism, of the latch; the closing adjusting mechanism comprises a bracket fixedly connected with the arc plate, a lock pin which is connected on the bracket in a sliding way and one end of which extends into the conical groove, and a spring which tightly pushes the lock pin towards the side where the conical groove is located.

According to the scheme, the discharge hole is formed, so that when the arc plate is opened under pressure, a blockage is discharged, and the discharge hole is blocked in normal operation through the arranged arc plate, so that forage materials are prevented from being discharged from the discharge hole; during normal operation, push up the lockpin to the conical groove through the spring to utilize the arc board to seal the relief hole, when blockking up, the pressure that the arc board receives increases gradually, under the effect of conical groove, has some component to transmit along the axial of lockpin, when lockpin axial force is greater than spring force, the lockpin is deviate from the conical groove, and the arc board is opened, and the plug is discharged from the relief hole, avoids cutter and casing impaired.

Preferably, the arc plate is further fixedly connected with a fixed seat located on one side, far away from the position adjusting mechanism, of the lock pin, an adjusting rod with one end extending into the lock pin along the axial direction is arranged on the fixed seat in a penetrating mode, the adjusting rod is connected with the fixed seat in a threaded mode, the spring is sleeved on the adjusting rod, one end of the spring is propped against one end, far away from the position adjusting mechanism, of the lock pin, and the other end of the spring is propped against the end face of a. The setting of this optimization scheme can realize adjusting the axial displacement of pole through rotating the regulation pole to pretension the spring, the material extrusion force that the adjustment arc board was opened.

As an optimization, an adjusting handle sleeved on the adjusting rod is further arranged between the lock pin and the spring, and a clamping groove for limiting the adjusting handle to move to the side where the position adjusting mechanism is located is formed in the support. This optimization scheme is through setting up adjustment handle, with adjustment handle with the spring compression to establish adjustment handle card in the draw-in groove, thereby make lockpin and conical groove keep the detached state, the operation of conveniently overhauing or changing the cutter through the relief hole.

Preferably, the latch comprises an end plate provided with the conical groove, a long hole extending along the opening direction of the arc plate is formed in the end plate, and a fastening bolt fixedly connecting the end plate and the throwing device shell penetrates through the long hole. This optimization scheme is through setting up the slot hole on the end plate, behind not hard up fastening bolt, can realize the back-and-forth movement of end plate to realize the regulation of distance between arc board and the rotor, satisfy different throwing material requirements.

Preferably, the latch further comprises a push plate fixedly connected with the end plate and a fixing rod which is arranged on the push plate in a penetrating mode and is consistent with the extending direction of the long hole, and the fixing rod is connected with the shell of the throwing device through threads. The setting of this optimization scheme realizes its axial displacement through rotating the dead lever to realize the back-and-forth movement of latch, make the regulation operation convenient more and accurate.

Preferably, a guide plate is fixedly connected to the casing of the throwing device, a through hole for the end plate to pass through is formed in the guide plate, and an adjusting nut in threaded connection with the fixed rod is further fixedly connected to the guide plate. This optimization scheme is through setting up the baffle, provides the direction for the end plate removes, has simplified the connection structure with the fixed rod simultaneously.

As optimization, a rotating handle is installed on the fixed rod. This optimization scheme is through setting up the twist grip, and the convenient rotation operation to the dead lever to be favorable to improving the precision that the end plate removed, finally realize the accurate regulation of distance between arc board and the rotor.

This scheme still provides a forage grass harvester throws device and prevents stifled adjustment mechanism's application method, includes following aspect:

when foreign matters enter the throwing device to cause blockage, and the arc plate is pressed and reaches a certain value, the axial force borne by the lock pin overcomes the elastic force of the spring to push the lock pin out of the conical groove of the latch 8, so that the arc plate is opened to dredge the blockage;

when the rotor needs to be replaced, the arc plate is opened manually, the spring is compressed by dragging the adjusting handle, the lock pin is separated from the conical groove of the latch, and the adjusting handle is rotated to be fixed in the clamping groove of the bracket, so that the arc plate is opened;

when the spring needs to be pre-tightened, the fixing nut on the fixing seat is loosened, the adjusting rod moves forwards, and the distance between the adjusting rod and the lock pin for placing the spring is shortened, so that the pre-tightening of the spring is realized;

when the distance between the arc plate and the rotor needs to be adjusted, the bolt for connecting the shell of the throwing device and the latch is loosened, the fixing rod is rotated, the latch moves back and forth, and the position of the conical groove is adjusted to adjust the distance between the arc plate and the rotor.

The invention has the beneficial effects that: through the matching of the lock pin and the conical groove, when the arc plate is subjected to certain pressure due to blockage caused by foreign matters entering the device, the pressure overcomes the elastic force of the spring after reaching a certain degree, so that the compression spring is compressed, the lock pin is separated from the groove of the latch lock, the arc plate is opened, the blockage is dredged, and the damage to the cutter and the shell is avoided; the long holes are formed in the end plates, so that the distance between the arc plates and the rotor can be adjusted.

Drawings

FIG. 1 is a side view of a projectile delivery device assembly;

FIG. 2 is a front elevational view of the assembly of the throwing device;

FIG. 3 is a schematic view of an adjustment mechanism of the present invention;

FIG. 4 is a partial view of an adjustment mechanism of the present invention;

FIG. 5 is a cross-sectional view of the detent and latch connection A-A of FIG. 4;

shown in the figure:

1. the device comprises a throwing device shell, 2, a position adjusting mechanism, 3, a closing adjusting mechanism, 4, an arc plate, 5, a guide plate, 6, a fixing rod, 7, a rotating handle, 8, a latch, 9, an adjusting handle, 10, a fixing seat, 11, an adjusting rod, 12, a fixing nut, 13, a spring, 14, a lock pin, 15, a support, A, a rotor, B and a hinge.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments, and related technical contents not described can be adopted or refer to the prior art. It should be apparent that the described embodiment is only one system embodiment of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in figures 3 and 4, a forage grass harvester throws send device and prevents stifled adjustment mechanism, be applicable to forage grass crop straw harvester, place on throwing send the device in order to prevent the condition such as the comminution device that the jam caused is impaired, its structure is including seting up the relief hole on throwing the feeding channel lateral wall, articulate arc 4 at the relief hole and install position control mechanism 2 on throwing send device casing 1, the closed adjustment mechanism 3 that corresponds with position control mechanism is installed to the one end that the arc kept away from the pin joint, the upper edge of arc passes through hinged joint with the upper edge of relief hole, the size and the relief hole adaptation of arc, when the arc is closed, carry out the shutoff to the relief hole, guarantee to throw the material and normally go on.

The position adjusting mechanism 2 is arranged on a side plate of the throwing device shell, specifically, the position adjusting mechanism 2 comprises a latch 8 fixed on the throwing device shell, the latch comprises an end plate provided with a conical groove, the conical groove is arranged on the side surface of the end plate facing the closed adjusting mechanism, the end plate extends out of the throwing device shell along the length direction, and the conical groove is located on the outer side of the throwing device shell. And a long hole extending along the opening direction of the arc plate is formed in the length direction of the end plate, and a fastening bolt fixedly connecting the end plate and the throwing device shell penetrates through the long hole. The latch further comprises a push plate fixedly connected with the end plate and a fixing rod 6 which is arranged on the push plate in a penetrating mode and is consistent with the extending direction of the long hole, the fixing rod 6 is connected with the throwing device shell 1 through threads, and a rotating handle 7 is welded at one end, far away from the conical groove, of the fixing rod. In order to simplify the structure, the casing of the throwing device is welded with a guide plate 5, the guide plate is provided with a through hole for the end plate to pass through, and the guide plate is also welded with an adjusting nut in threaded connection with the fixed rod.

The closing adjusting mechanism 3 comprises a support 15 fixedly connected with the arc plate, a lock pin 14 which is connected on the support in a sliding mode and one end of which extends into the conical groove, and a spring 13 which tightly pushes the lock pin towards the side where the conical groove is located, wherein a conical head matched with the conical groove is arranged at the end, extending to the conical groove, of the lock pin, and the included angle of a bus of the conical groove is 120 degrees so as to conduct component force guiding on the conical head. The arc plate is further welded with a fixed seat 10 located on one side, far away from the position adjusting mechanism, of the lock pin, an adjusting rod 11 with one end extending into the lock pin along the axial direction is arranged on the fixed seat in a penetrating mode, the adjusting rod is connected with the fixed seat in a threaded mode, and in order to simplify the structure, a fixing nut 12 matched with the adjusting rod is welded on the fixed seat. The spring is sleeved on the adjusting rod, one end of the spring is propped to one end of the lock pin far away from the position adjusting mechanism, the other end of the spring is propped to the end face of a boss arranged on the adjusting rod, and the lock pin 14 is forced to be inserted into the conical groove of the latch 8 under the extrusion of the spring 13. An adjusting handle 9 sleeved on the adjusting rod is further arranged between the lock pin and the spring, and a clamping groove for limiting the adjusting handle to move to the side where the position adjusting mechanism is located is formed in the support.

The use method of the anti-blocking adjusting mechanism of the throwing device of the forage harvester comprises the following steps:

when foreign matters enter the throwing device to cause blockage, and the arc plate 4 is stressed and reaches a certain value, the axial force borne by the lock pin 14 overcomes the elastic force of the spring to push the lock pin 14 out of the conical groove of the latch 8, so that the arc plate is opened to dredge the blockage. The device can be started mechanically or through a sensor, the sensor (not shown in the figure) is arranged on the arc plate, when the force applied to the arc plate 4 reaches a certain value, the force is transmitted to the actuating mechanism through the sensor, and the arc plate is started through the actuating mechanism;

when the rotor needs to be replaced, the arc plate can be opened manually, the spring is compressed by dragging the adjusting handle 9, the spring loses the thrust on the lock pin, the lock pin 14 is dragged by the adjusting handle 9 to be separated from the conical groove of the latch 8, the adjusting handle 9 is rotated to be fixed in the clamping groove of the bracket 15, and therefore the arc plate is opened;

when the spring 13 needs to be pre-tightened, the fixing nut 12 on the fixing seat 10 is loosened, the adjusting rod 11 is moved forwards, and the distance between the adjusting rod 11 and the lock pin 14 for placing the spring 13 is shortened, so that the pre-tightening of the spring 13 is realized;

the device can also adjust the distance between the arc plate 4 and the rotor A, the arc plate 4 is connected through the hinge B, so that the arc plate 4 can move back and forth, the fixed rod 6 can rotate by loosening two bolts for connecting the throwing device shell 1 and the latch 8 and adjusting the rotating handle 7, so that the latch 8 is driven to move back and forth, and the distance between the arc plate and the rotor can be adjusted by adjusting the position of a conical groove connected with the lock pin 14 on the latch 8.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.