High-concentricity shifting fork mechanism for four-rope bundling machine

Abstract

The high-concentricity shifting fork mechanism for the four-rope bundling machine comprises a connecting frame and a shifting fork assembly, the connecting frame comprises a first connecting rod, a first connecting plate, a second connecting rod, a second connecting plate and a third connecting rod, the first connecting plate and the second connecting plate are arranged in the same direction, one end of the second connecting rod is in key connection with the first connecting plate, and the other end of the second connecting rod is in key connection with the third connecting plate. The other end of the second connecting rod is in key connection with the second connecting plate; the second connecting plate is detachably connected with the second connecting rod; the first connecting rod is in key connection with the first connecting plate; the third connecting rod is in key connection with the second connecting plate; the shifting fork assembly is connected to the second connecting rod. The key grooves are formed in the connecting positions of the connecting plate and the connecting rods, the connecting plates and the connecting rods are fixedly connected through the flat keys, the coaxiality of the connecting rods can be guaranteed, the second connecting rods and the second connecting plate are detachably connected, the connecting rods can be disassembled and assembled and installed at the needed positions in an applicable mode, and the connecting plates and the connecting plates are convenient to use. By the adoption of the structure, grass can be better pulled, and the failure rate is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of baling machine accessories, and in particular relates to a shifting fork mechanism with high concentricity for a four-rope baling machine. Background Art

[0002] After the picker of the baler picks up the straw on the ground and enters the machine, an appropriate amount of material is picked up and sent into the weeding chamber under the action of the feeding fork mechanism. The overall structure of the feeding fork mechanism includes a first connecting rod, a first connecting plate, a second connecting rod, a second connecting plate and a third connecting rod; the first connecting rod and the third connecting rod serve as hinged supports for the overall structure and the frame, and the second connecting rod is arranged between the first connecting plate and the second connecting plate. The first connecting rod and the third connecting rod of the current fork mechanism are directly inserted into the corresponding fixing holes of the first connecting plate and the second connecting plate and are directly fixed, and the coaxiality of the two cannot be guaranteed. Similarly, since the two ends of the second connecting rod are directly inserted into the first connecting plate and the second connecting plate respectively, the coaxiality cannot be guaranteed, and the first connecting plate and the second connecting plate currently used are fixedly connected to the second connecting rod and cannot be disassembled. Utility Model Content

[0003] The utility model provides a high-concentricity shift fork mechanism for a four-rope baler, which ensures the coaxiality of the installation by arranging flat keys at the connection points of each connecting rod and a connecting plate, and arranges the second connecting plate and the second connecting rod to be detachably installed, so as to solve the deficiencies described in the above-mentioned prior art.

[0004] The technical solution adopted by the utility model is:

[0005] A fork mechanism with high concentricity for a four-rope baler includes a connecting frame and a fork assembly, wherein the connecting frame includes a first connecting rod, a first connecting plate, a second connecting rod, a second connecting plate and a third connecting rod, wherein the first connecting plate and the second connecting plate are arranged in the same direction, one end of the second connecting rod is key-connected to the first connecting plate, and the other end of the second connecting rod is key-connected to the second connecting plate; and the second connecting plate is detachably connected to the second connecting rod; the first connecting rod is key-connected to the end of the first connecting plate away from the second connecting rod, and the third connecting rod and the second connecting plate are key-connected to the end of the second connecting rod away from the second connecting rod, and the axes of the first connecting rod and the third connecting rod coincide; and the fork assembly is connected to the second connecting rod. The first connecting rod and the third connecting rod are key-connected to ensure that the two are coaxial, and there will be no deviation after being installed on the frame. The first connecting plate and the second connecting plate are key-connected to the second connecting rod, so that the two ends of the second connecting rod can be equal in height and the overall axis is kept from tilting, and the second connecting plate can be detachably connected to the second connecting rod to be applicable for disassembly and installation.

[0006] As a preferred solution of the utility model, the second connecting plate includes a second connecting plate body, a second connecting hole I is provided at one end of the second connecting plate body, a second key groove I is provided at the side wall of the second connecting hole I, a second key groove II is provided at the end of the third connecting rod, the second key groove I and the second key groove II correspond to form a second flat key groove I, and the second flat key I is connected to the second flat key groove I; the second connecting plate body is provided with a second connecting hole II at the other end, a through opening is provided at the lower part of the second connecting hole II, a locking piece is detachably provided at the through opening, a second key groove III is provided at the upper side wall of the second connecting hole II, a second key groove IV is provided at the corresponding end of the second connecting rod, the second key groove III and the second key groove IV constitute a second flat key groove II, and the second flat key II is connected to the second flat key groove II. The second flat key I is nailed into the second flat groove I to fix the second connecting plate and the third connecting rod, and the second flat key II fixes one end of the second connecting rod to the second connecting plate and then is locked by the locking piece, and when disassembly is required, the locking piece is loosened to remove the second flat key II to achieve separation.

[0007] As a preferred scheme of the utility model, the first connecting plate is fixedly connected to the second connecting rod, and the first connecting plate includes a first connecting plate body, a first connecting hole I is provided at one end of the first connecting plate body, a first key groove I is provided on the side wall of the first connecting hole I, a first key groove II is provided on the end of the first connecting rod, the first key groove I and the first key groove II correspond to form a first flat key groove I, the first flat key I is connected in the first flat key groove I, and the first flat key groove I and the second flat key groove I are in the same plane; the first connecting plate body is provided with a first connecting hole II at the other end, a first key groove III is provided on the upper side wall of the first connecting hole II, a first key groove IV is provided at the corresponding end of the second connecting rod, the first key groove III and the first key groove IV constitute the first flat key groove II, the first flat key II is installed in the first flat key groove II, the first flat key groove II and the second flat key groove II are in the same plane, and the first connecting plate body is provided with a welding seal layer I at the assembly end located at the second connecting rod and the first connecting hole II. The first flat key I fixes the first connecting rod and the first connecting plate and the axes of the first connecting rod and the third connecting rod coincide. The first flat key II fixes the first connecting plate and the second connecting rod and then welds the outer end surface of the second connecting rod to form a welding seal I to fix the second connecting rod and the first connecting plate.

[0008] As a preferred solution of the utility model, an elastic pin hole is provided on the first connecting plate body, the elastic pin hole is vertically connected to the first connecting hole II, one end of the elastic pin passes through the elastic pin hole and presses against the second connecting rod; and a welding sealing layer II is provided in the elastic pin hole, and the welding sealing layer II fixes the elastic pin in the elastic pin hole.

[0009] As a preferred solution of the utility model, the first connecting plate is detachably connected to the second connecting rod. In order to fix it more firmly, the elastic pin is tightened against the second connecting rod, and after tightening, the elastic pin is fixed in the elastic pin hole by welding, and cooperates with the first flat key II to achieve double protection.

[0010] As a preferred solution of the present invention, the first connecting plate and the second connecting plate have the same structure, and both connecting plates are detachable.

[0011] As a preferred solution of the utility model, the fork assembly includes a fork shaft, a fork, a bearing and a bearing oil seal; the fork shaft is mounted on the second connecting rod through a bearing sleeve, and a bearing oil seal is provided on the outer side of the bearing; a connecting rod mounting plate and a plurality of detachable forks are installed on the outer circumferential wall of the fork shaft, and the connecting rod mounting plate and the fork are in opposite directions.

[0012] As a preferred solution of the utility model, a shift fork mounting seat is fixedly arranged on the outer circumferential wall of the shift fork shaft, and one end of the shift fork is connected to the shift fork mounting seat by bolts. The shift fork can be replaced separately.

[0013] The utility model provides keyways at the connection points between the connection plate and each connection rod and uses flat keys for fixed connection, which can ensure the coaxiality of each connection rod, and the connection between the second connection rod and the second connection plate is detachable and can be disassembled and installed at a desired position. The structure of the utility model can better remove grass and reduce the failure rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a side view of the first connecting plate of the utility model.

[0017] Figure 3 for Figure 2 AA section view.

[0018] Figure 4 It is a side view of the second connecting plate of the utility model. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1:

[0021] A fork mechanism with high concentricity for a four-lane baler, such as Figure 1 As shown, it includes a connecting frame and a fork assembly. The connecting frame includes a first connecting rod 1, a first connecting plate 2, a second connecting rod 3, a second connecting plate 4 and a third connecting rod 5, and the first connecting plate 2 and the second connecting plate 4 are arranged in the same direction.

[0022] The first connecting rod 1 is key-connected to the end of the first connecting plate 2 away from the second connecting rod. Specifically, Figure 2 and 3 As shown, the first connecting plate 2 includes a first connecting plate body 21, a first connecting hole I is provided at one end of the first connecting plate body, a first key groove I is provided on the side wall of the first connecting hole I, a first key groove II is provided at the end of the first connecting rod 1, the first key groove I and the first key groove II correspond to form a first flat key groove I, and the first flat key I8 is connected in the first flat key groove I.

[0023] A first connecting hole II is provided at the other end of the first connecting plate body 21, a first key groove III is provided on the upper side wall of the first connecting hole II, a first key groove IV is provided at the corresponding end of the second connecting rod 3, the first key groove III and the first key groove IV constitute a first flat key groove II, the first flat key II9 is ​​installed in the first flat key groove II, the first flat key groove II and the second flat key groove II are in the same plane, and the first connecting plate body is provided with a welding seal layer I at the assembly end located at the second connecting rod and the first connecting hole II.

[0024] An elastic pin hole 211 is provided on the first connecting plate body 21, and the elastic pin hole is vertically connected to the first connecting hole II. One end of the elastic pin 91 passes through the elastic pin hole and presses against the second connecting rod; and a welding seal layer II is provided in the elastic pin hole, and the welding seal layer II fixes the elastic pin in the elastic pin hole. In order to fix it more firmly, the elastic pin is pressed against the second connecting rod, and after pressing, the elastic pin is fixed in the elastic pin hole by welding, and cooperates with the first flat key II to achieve double protection.

[0025] The first flat key I fixes the first connecting rod and the first connecting plate and the axes of the first connecting rod and the third connecting rod coincide. The first flat key II fixes the first connecting plate and the second connecting rod and then welds the outer end surface of the second connecting rod to form a welding seal I to fix the second connecting rod and the first connecting plate.

[0026] The other end of the second connecting rod 3 is key-connected to the second connecting plate 4 , and the second connecting plate 4 is detachably connected to the second connecting rod 3 .

[0027] Specifically, Figure 3 and 4 As shown, the second connecting plate 4 includes a second connecting plate body 41, one end of the second connecting plate body 41 is provided with a second connecting hole I, the side wall of the second connecting hole I is provided with a second key groove I, the end of the third connecting rod 5 is provided with a second key groove II, the second key groove I and the second key groove II correspond to form a second flat key groove I, and the second flat key I6 is connected in the second flat key groove I;

[0028] A second connecting hole II is provided at the other end of the second connecting plate body 41, and a through opening is provided at the lower part of the second connecting hole II. A removable locking piece 46 is provided at the through opening, and the locking piece uses a bolt; a second key groove III is provided on the upper side wall of the second connecting hole II, and a second key groove IV is provided at the corresponding end of the second connecting rod 3. The second key groove III and the second key groove IV constitute a second flat key groove II, and the second flat key II7 is connected in the second flat key groove II.

[0029] The second flat key I is nailed into the second flat groove I to fix the second connecting plate and the third connecting rod. The second flat key II fixes one end of the second connecting rod to the second connecting plate and then locks it through a locking piece. When disassembly is required, the locking piece can be loosened and the second flat key II can be removed to achieve separation.

[0030] The first connecting rod and the third connecting rod are connected by a key to ensure that the two are coaxial, and there will be no deviation after being installed on the frame, so that the axes of the first connecting rod and the third connecting rod coincide with each other; the first connecting plate and the second connecting plate are connected to the second connecting rod by a key, so that the two ends of the second connecting rod can be at the same height and the overall axis is kept from tilting, and the second connecting plate is detachable and connected to the second connecting rod, so it can be easily disassembled and installed.

[0031] The fork assembly includes a fork shaft 10, a fork 12, a bearing 13 and a bearing oil seal 14; the fork shaft 10 is sleeved on the second connecting rod 3 through the bearing 13, and a bearing oil seal 14 is provided on the outer side of the bearing 13; a connecting rod mounting plate 16 and a plurality of detachable forks 12 are installed on the outer circumferential wall of the fork shaft 10, the connecting rod mounting plate is in the opposite direction to the fork, and the connecting rod mounting plate is connected to the connecting rod assembly 17.

[0032] The shift fork is removable because a shift fork mounting seat 15 is fixedly provided on the outer circumferential wall of the shift fork shaft 10, and one end of the shift fork 12 is connected to the shift fork mounting seat 15 by bolts. The shift fork can be replaced separately.

[0033] Embodiment 2:

[0034] A fork mechanism with high concentricity for a four-lane baler, such as Figure 2 As shown, the difference from Example 1 is that the first connecting plate 2 is detachably connected to the second connecting rod, and the first connecting plate and the second connecting plate have the same structure, both connecting plates are detachable, and the rest are the same as Example 1.

[0035] In the description of this specification, the description of reference terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fork mechanism with high concentricity for a four-lane baler, comprising a connecting frame and a fork assembly, wherein the connecting frame comprises a first connecting rod (1), a first connecting plate (2), a second connecting rod (3), a second connecting plate (4) and a third connecting rod (5), characterized in that: The first connecting plate (2) and the second connecting plate (4) are arranged in the same direction; one end of the second connecting rod (3) is key-connected to the first connecting plate (2), and the other end of the second connecting rod (3) is key-connected to the second connecting plate (4); and the second connecting plate (4) and the second connecting rod (3) are detachably connected; the first connecting rod (1) is key-connected to an end of the first connecting plate (2) away from the second connecting rod, the third connecting rod (5) is key-connected to an end of the second connecting plate (4) away from the second connecting rod, and the axes of the first connecting rod and the third connecting rod coincide; and the shift fork assembly is connected to the second connecting rod (3).

2. The high concentricity shift fork mechanism for a four-lane baler according to claim 1, characterized in that: The second connecting plate (4) comprises a second connecting plate body (41), a second connecting hole I is provided at one end of the second connecting plate body (41), a second key groove I is provided on the side wall of the second connecting hole I, a second key groove II is provided at the end of the third connecting rod (5), the second key groove I and the second key groove II correspond to form a second flat key groove I, and the second flat key I (6) is connected to the second flat key groove I; the second connecting plate body (41) is provided at the other end of the second connecting plate body (41), a through opening is provided at the lower part of the second connecting hole II, a locking member (46) is detachably provided at the through opening, a second key groove III is provided on the upper side wall of the second connecting hole II, a second key groove IV is provided at the corresponding end of the second connecting rod (3), the second key groove III and the second key groove IV constitute a second flat key groove II, and the second flat key II (7) is connected to the second flat key groove II.

3. The high concentricity shift fork mechanism for a four-lane baler according to claim 2, characterized in that: The first connecting plate (2) is fixedly connected to the second connecting rod, and the first connecting plate (2) comprises a first connecting plate body (21), one end of the first connecting plate body is provided with a first connecting hole I, the side wall of the first connecting hole I is provided with a first key groove I, the end of the first connecting rod (1) is provided with a first key groove II, the first key groove I and the first key groove II correspond to form a first flat key groove I, the first flat key I (8) is connected in the first flat key groove I, and the first flat key groove I and the second flat key groove I are in the same plane; the other end of the first connecting plate body (21) is provided with a first connecting hole II, the upper side wall of the first connecting hole II is provided with a first key groove III, the corresponding end of the second connecting rod (3) is provided with a first key groove IV, the first key groove III and the first key groove IV form the first flat key groove II, the first flat key II (9) is installed in the first flat key groove II, the first flat key groove II and the second flat key groove II are in the same plane, and the first connecting plate body is provided with a welding sealing layer I at the assembly end of the second connecting rod and the first connecting hole II.

4. The high concentricity shift fork mechanism for a four-track baler according to claim 3, characterized in that: An elastic pin hole is provided on the first connecting plate body, the elastic pin hole is vertically connected to the first connecting hole II, one end of the elastic pin (91) passes through the elastic pin hole and is pressed against the second connecting rod; and a welding sealing layer II is provided in the elastic pin hole, the welding sealing layer II fixes the elastic pin in the elastic pin hole.

5. The high concentricity shift fork mechanism for a four-lane baler according to claim 2, characterized in that: The first connecting plate (2) is detachably connected to the second connecting rod.

6. The high concentricity shift fork mechanism for a four-lane baler according to claim 5, characterized in that: The first connecting plate and the second connecting plate have the same structure.

7. The high concentricity shift fork mechanism for a four-lane baler according to any one of claims 1 to 6, characterized in that: The shift fork assembly comprises a shift fork shaft (10), a shift fork (12), a bearing (13) and a bearing oil seal (14); the shift fork shaft (10) is sleeved on the second connecting rod (3) via the bearing (13), and a bearing oil seal (14) is provided on the outer side of the bearing (13); a connecting rod mounting plate and a plurality of detachable shift forks (12) are mounted on the outer circumferential wall of the shift fork shaft (10), and the connecting rod mounting plate and the shift fork are oriented in opposite directions.

8. The high concentricity shift fork mechanism for a four-track baler according to claim 7, characterized in that: A shift fork mounting seat (15) is fixedly arranged on the outer circumferential wall of the shift fork shaft (10), and one end of the shift fork (12) is connected to the shift fork mounting seat (15) by means of bolts.

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