CN219459756U - Transmission clutch device of seeder - Google Patents

Abstract

The utility model relates to a transmission clutch device of a seeder, which comprises a chain wheel and a shell, wherein the shell comprises a front arm shell and a rear arm shell, one end of the front arm shell is provided with a first hollow shaft which is rotationally connected with the front arm shell, the chain wheel comprises a first driving wheel, a second driving wheel, a third driving wheel and a fourth driving wheel, the first driving wheel is rotationally connected with one end of the first hollow shaft, the second driving wheel is rotationally connected in the rear arm shell, the first driving wheel and the second driving wheel are coaxially and fixedly connected, the third driving wheel is rotationally connected with the other end in the front arm shell, the third driving wheel is in chain transmission connection with the first driving wheel, the fourth driving wheel is rotationally connected with the other end in the rear arm shell, the fourth driving wheel is in chain transmission connection with the second driving wheel, and a clutch mechanism is arranged on the fourth driving wheel; the design of sprocket, shell can guarantee the normal operating of whole drive mechanism, and when local wheel counter-rotating, the hollow pivot of second is not rotated at any place wheel this moment, and the transmission mode is simple reliable stable.

Description

Transmission clutch device of seeder

Technical Field

The utility model relates to the technical field of seeders, in particular to a transmission clutch device of a seeder.

Background

The planter uses crop seeds as planting machines for planting certain types or crops, and is often called crop type names, such as grain drill, corn hill planter, cotton planter, pasture spreader, etc.

The clutch structure for connecting the land wheel and the shifting plate in the seed storage box in the current seeder generally acts through a manually-operated designated operating rod, the operation is needed in time when the reversing direction is regulated, the seed in the seed storage box is easy to misplace, the manual operation mode has certain requirements on the driving technology of an operator, the transmission mechanism is more complicated once damaged and is not easy to overhaul, in addition, after the land wheel and the bracket are lifted, the chain is easy to loosen due to the change of the distance, the subsequent operation is influenced, the novel solution is provided for the problems, and the novel solution is provided for the problems.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a transmission clutch device of a seeder, so as to solve the technical problems in the background art.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a transmission clutch of seeder, includes sprocket, shell, the sprocket rotates to be connected in the shell, the shell includes forearm shell and trailing arm shell, and the one end of forearm shell is provided with to rotate and is connected with first hollow shaft, and the other end of first hollow shaft rotates the one end of the trailing arm shell of connecting, the sprocket includes first drive wheel, second drive wheel, third drive wheel, fourth drive wheel, and first drive wheel passes through first bearing to be rotated and is connected in the one end of first hollow shaft, and first drive wheel is located the forearm shell, and the second drive wheel passes through the second bearing to be rotated and is connected in the trailing arm shell, and first drive wheel and second drive wheel pass through the coaxial fixed connection of connecting axle, and the third drive wheel rotates the other end of connecting in the forearm shell, and third drive wheel and first drive wheel chain transmission are connected, and fourth drive wheel rotates the other end of connecting in the trailing arm shell, and fourth drive wheel and second drive wheel chain transmission are connected, and are provided with clutch mechanism on the fourth drive wheel, are provided with interlock mechanism on the third drive wheel.

Preferably, the clutch mechanism comprises a mounting shell, a first end face ratchet wheel and a second end face ratchet wheel, wherein the first end face ratchet wheel is concentrically fixed on one side, close to the mounting shell, of the fourth driving wheel, a through hole is formed in the mounting shell, a second hollow shaft is rotationally connected in the through hole through a third bearing, the second end face ratchet wheel is slidingly connected along the length direction of the second hollow shaft, the second end face ratchet wheel is matched with the first end face ratchet wheel, a spring is fixed on one side, far away from the first end face ratchet wheel, of the second end face ratchet wheel, a limit ring is fixed on one side of the spring, the limit ring is slidingly connected in the mounting shell, the center position of the fourth driving wheel is rotationally connected on the second hollow shaft through a fourth bearing, first clamping grooves are respectively formed in two ends of the second hollow shaft, and opening clamping springs are arranged in the first clamping grooves.

Preferably, the linkage mechanism comprises a driving shaft and a connecting disc, one end of the driving shaft is axially fixed on the connecting disc, the connecting disc is axially connected to one side of the third driving wheel through bolts, and a hexagonal prism-shaped groove is formed in the other end of the driving shaft.

Preferably, the first access hole has been seted up at the both ends of forearm shell, rotates on the first access hole to be connected with first access cover, and has seted up the second draw-in groove on the first access hole, and the position that corresponds the second draw-in groove on the first access cover is fixed with first fixture block, and first fixture block card is gone into in the second draw-in groove.

Preferably, the second access hole has been seted up at the both ends of back arm shell, rotates on the second access hole and is connected with the second access cover, and has seted up the third draw-in groove on the second access hole, and the position that corresponds the third draw-in groove on the second access cover is fixed with the second fixture block, and the second fixture block card is gone into in the third draw-in groove.

Compared with the prior art, the utility model has the advantages that:

the design of the chain wheel and the shell in the utility model utilizes the first driving wheel, the second driving wheel, the third driving wheel and the fourth driving wheel to drive, when the local wheel and the bracket thereof are lifted or lowered, the front arm shell and the rear arm shell are utilized to rotate, and the distance between the driving end and the ground wheel is changed, but the driving end can still drive by means of one driving wheel, the second driving wheel, the third driving wheel and the fourth driving wheel, so that the normal operation of the whole driving mechanism is ensured, and when the local wheel reversely rotates, the second hollow rotating shaft does not rotate along with the ground wheel at the moment, and when the local wheel does not work, the ground wheel drives the hollow rotating shaft to rotate, and compared with a driving clutch, the driving mode is simple, reliable and stable.

Drawings

FIG. 1 is a schematic view of the overall structure of a transmission clutch device of a planter in accordance with the present utility model;

FIG. 2 is a schematic view of the internal structure of the forearm casing;

FIG. 3 is a schematic view of the internal structure of the rear arm casing;

FIG. 4 is a bottom schematic view of FIG. 1;

FIG. 5 is a schematic structural view of a clutch mechanism;

FIG. 6 is a schematic view of the structure of the first end ratchet;

FIG. 7 is a schematic view of a second end ratchet;

FIG. 8 is a schematic structural view of a second hollow shaft;

fig. 9 is a schematic structural view of the mounting case.

The reference numerals in the figures illustrate:

1. a sprocket; 2. a housing; 201. a forearm case; 202. a rear arm shell; 3. a first hollow shaft; 101. a first drive wheel; 102. a second drive wheel; 103. a third drive wheel; 104. a fourth driving wheel; 4. a clutch mechanism; 5. a linkage mechanism; 401. a mounting shell; 402. a first end face ratchet; 403. a second end ratchet; 404. a second hollow shaft; 405. a spring; 406. a limit ring; 407. a first clamping groove; 408. opening a clamp spring; 501. a drive shaft; 502. a connecting disc; 503. hexagonal prism type grooves; 203. a first access port; 204. a first access cover; 205. a second clamping groove; 206. a first clamping block; 207. a second access port; 208. a second access cover; 209. a third clamping groove; 210. and a second clamping block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1 to 9, a transmission clutch device of a planter comprises a sprocket 1 and a housing 2, wherein the sprocket 1 is rotatably connected in the housing 2, the housing 2 comprises a front arm shell 201 and a rear arm shell 202, one end of the front arm shell 201 is provided with a first hollow shaft 3 rotatably connected with one end of the rear arm shell 202, the other end of the first hollow shaft 3 is rotatably connected with one end of the rear arm shell 202, the sprocket 1 comprises a first driving wheel 101, a second driving wheel 102, a third driving wheel 103 and a fourth driving wheel 104, the first driving wheel 101 is rotatably connected with one end of the first hollow shaft 3 through a first bearing, the first driving wheel 101 is positioned in the front arm shell 201, the second driving wheel 102 is rotatably connected with the rear arm shell 202 through a second bearing, the first driving wheel 101 and the second driving wheel 102 are coaxially and fixedly connected with each other end of the front arm shell 201, the third driving wheel 103 is rotatably connected with the first driving wheel 101 through a chain, the fourth driving wheel 104 is rotatably connected with the other end of the rear arm shell 202, the fourth driving wheel 104 is in transmission connection with the second driving wheel 102, and a third clutch mechanism 4 is arranged on the fourth driving wheel 104, and a linkage mechanism 5 is arranged on the third clutch mechanism 5;

when the local wheel and the support thereof are lifted or lowered, the front arm shell 201 and the rear arm shell 202 are utilized to rotate, and the distance between the driving end and the ground wheel is changed, but the distance still can be transmitted by means of the driving wheel 101, the second driving wheel 102, the third driving wheel 103 and the fourth driving wheel 104, so that the normal operation of the whole transmission mechanism is ensured, and when the local wheel reversely rotates, the second hollow rotating shaft does not rotate along with the ground wheel, and when the non-operation is avoided, the ground wheel drives the hollow rotating shaft to rotate.

In this embodiment, the clutch mechanism 4 includes a mounting shell 401, a first end ratchet 402, and a second end ratchet 403, where the first end ratchet 402 is concentrically fixed on one side of the fourth driving wheel 104 near the mounting shell 401, a through hole is provided in the mounting shell 401, a second hollow shaft 404 is rotatably connected in the through hole through a third bearing, the second end ratchet 403 is slidably connected along the length direction of the second hollow shaft 404, the second end ratchet 403 is cooperatively arranged with the first end ratchet 402, a spring 405 is fixed on one side of the second end ratchet 403 far from the first end ratchet 402, a limit ring 406 is fixed on one side of the spring 405, the limit ring 406 is slidably connected in the mounting shell 401, the center position of the fourth driving wheel 104 is rotatably connected on the second hollow shaft 404 through a fourth bearing, two ends of the second hollow shaft 404 are respectively provided with a first clamping groove 407, and an opening clamp spring 408 is provided in the first clamping groove 407;

when the local wheel rotates normally, the fourth driving wheel 104 is driven to rotate through the chain, the fourth driving wheel 104 drives the second hollow rotating shaft 404 and the inner hexagonal prism type driving shaft to rotate through the first end face ratchet 402 and the second end face ratchet 403, when the local wheel rotates reversely, the first end face ratchet 402 extrudes the second end face ratchet 403 by utilizing the ratchet on the first end face ratchet, the spring 405 contracts, at the moment, the second hollow rotating shaft 404 does not rotate along with the local wheel, ratchet transmission is adopted, non-operation (such as reversing adjustment direction) can be avoided, the local wheel drives the second hollow rotating shaft 404 to rotate, compared with a transmitted clutch, the transmission mode is simple, reliable and stable, the number of ratchet on the customized ratchet is more flexible to use according to the number of the pulling sheets.

In this embodiment, the linkage mechanism 5 includes a driving shaft 501 and a connecting disc 502, one end of the driving shaft 501 is axially fixed on the connecting disc 502, the connecting disc 502 is axially connected to one side of the third driving wheel 103 by bolts, and a hexagonal prism-shaped groove 503 is formed at the other end of the driving shaft 501; the design of the linkage mechanism 5 can drive and connect the driving shaft 501 with the land wheel, and the connection is convenient and quick only by plugging.

In this embodiment, a first access hole 203 is formed at two ends of the forearm casing 201, a first access cover 204 is rotatably connected to the first access hole 203, a second clamping groove 205 is formed in the first access hole 203, a first clamping block 206 is fixed on the first access cover 204 corresponding to the second clamping groove 205, and the first clamping block 206 is clamped into the second clamping groove 205; the first access opening 203 is designed such that the chain in the forearm housing 201 can be serviced through the first access opening 203 by opening the first access cover 204.

In this embodiment, two ends of the rear arm shell 202 are provided with a second access hole 207, a second access cover 208 is rotatably connected to the second access hole 207, a third clamping groove 209 is provided on the second access hole 207, a second clamping block 210 is fixed on the second access cover 208 corresponding to the position of the third clamping groove 209, and the second clamping block 210 is clamped into the third clamping groove 209; the design of the second access hole 207 can ensure the normal use of the device by opening the second access cover 208 and overhauling the chain in the rear arm shell 202 through the first access hole 207.

The working process of the utility model is as follows:

when the local wheel rotates normally, an operator drives the fourth driving wheel 104 to rotate through a chain, the fourth driving wheel 104 drives the second hollow rotating shaft 404 and the inner hexagonal prism type driving shaft to rotate through the first end face ratchet wheel 402 and the second end face ratchet wheel 403, when the local wheel rotates reversely, the first end face ratchet wheel 402 extrudes the second end face ratchet wheel 403 through the ratchet teeth on the first end face ratchet wheel, the spring 405 contracts, at the moment, the second hollow rotating shaft 404 does not rotate with the local wheel, ratchet wheel transmission is adopted, non-operation (such as reversing adjustment direction) can be avoided, the local wheel drives the second hollow rotating shaft 404 to rotate, compared with a transmission clutch, a transmission mode is simple, reliable and stable, the number of ratchet teeth on the customized ratchet wheel is more flexible to use according to the number of the shifting sheets; when the local wheel and the support thereof are lifted or lowered, the front arm shell 201 and the rear arm shell 202 are utilized to rotate, and the distance between the driving end and the ground wheel is changed, but the distance still can be transmitted by means of the driving wheel 101, the second driving wheel 102, the third driving wheel 103 and the fourth driving wheel 104, so that the normal operation of the whole transmission mechanism is ensured, and when the local wheel reversely rotates, the second hollow rotating shaft does not rotate along with the ground wheel, and when the non-operation is avoided, the ground wheel drives the hollow rotating shaft to rotate.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. The utility model provides a transmission clutch of seeder, includes sprocket (1), shell (2), sprocket (1) rotate and connect in shell (2), its characterized in that: the shell (2) comprises a forearm shell (201) and a rear arm shell (202), one end of the forearm shell (201) is provided with a first hollow shaft (3) in a rotating mode, the other end of the first hollow shaft (3) is connected with one end of the rear arm shell (202) in a rotating mode, the chain wheel (1) comprises a first driving wheel (101), a second driving wheel (102), a third driving wheel (103) and a fourth driving wheel (104), the first driving wheel (101) is connected with one end of the first hollow shaft (3) in a rotating mode through a first bearing, the first driving wheel (101) is located in the forearm shell (201), the second driving wheel (102) is connected with the rear arm shell (202) in a rotating mode through a second bearing, the first driving wheel (101) and the second driving wheel (102) are connected with each other in a coaxial mode through a connecting shaft, the third driving wheel (103) is connected with the other end in the forearm shell (201) in a rotating mode, the fourth driving wheel (104) is connected with the other end in the rear arm shell (202) in a chain transmission mode, and the fourth driving wheel (104) is connected with the fourth driving wheel (103) in a chain transmission mode, and a fourth driving wheel (104) is connected with the fourth driving wheel (102) in a coaxial mode, and a fourth driving wheel (4) is arranged on the fourth driving mechanism is connected with the fourth driving wheel (102).

2. The transmission clutch device of a planter according to claim 1, wherein: the clutch mechanism (4) comprises a mounting shell (401), a first end face ratchet wheel (402) and a second end face ratchet wheel (403), the first end face ratchet wheel (402) is concentrically fixed on one side, close to the mounting shell (401), of the fourth driving wheel (104), a through hole is formed in the mounting shell (401), a second hollow shaft (404) is rotationally connected in the through hole through a third bearing, the second end face ratchet wheel (403) is slidingly connected along the length direction of the second hollow shaft (404), the second end face ratchet wheel (403) is matched with the first end face ratchet wheel (402), a spring (405) is fixed on one side, far away from the first end face ratchet wheel (402), of the second end face ratchet wheel (403), a limit ring (406) is fixed on one side of the spring (405), the limit ring (406) is slidingly connected with the mounting shell (401), the center position of the fourth driving wheel (104) is rotationally connected to the second hollow shaft (404) through a fourth bearing, two ends of the second hollow shaft (404) are respectively provided with a first clamping groove (407), and an opening clamp spring (408) is arranged in the first clamping groove (407).

3. The transmission clutch device of a planter according to claim 1, wherein: the linkage mechanism (5) comprises a driving shaft (501) and a connecting disc (502), one end of the driving shaft (501) is axially fixed on the connecting disc (502), the connecting disc (502) is axially connected to one side of the third driving wheel (103) through bolts, and a hexagonal prism-shaped groove (503) is formed in the other end of the driving shaft (501).

4. The transmission clutch device of a planter according to claim 1, wherein: first access hole (203) have been seted up at the both ends of forearm shell (201), rotate on first access hole (203) and be connected with first access cover (204), and seted up second draw-in groove (205) on first access hole (203), the position that corresponds second draw-in groove (205) on first access cover (204) is fixed with first fixture block (206), in first fixture block (206) card income second draw-in groove (205).

5. The transmission clutch device of a planter according to claim 1, wherein: second access holes (207) are formed in the two ends of the rear arm shell (202), second access covers (208) are rotatably connected to the second access holes (207), third clamping grooves (209) are formed in the second access holes (207), second clamping blocks (210) are fixed to positions, corresponding to the third clamping grooves (209), of the second access covers (208), and the second clamping blocks (210) are clamped into the third clamping grooves (209).