Self-adaptive flattening roll clearance adjusting device

Abstract

The utility model discloses a self-adaptive flattening roll clearance adjusting device, belongs to the technical field of stockbreeding machinery, and particularly relates to the self-adaptive flattening roll clearance adjusting device which is suitable for flattening operation after crops such as pasture are cut and can directly meet the requirement of a user for flattening the pasture. The flattening device mainly comprises a spring drag hook, an adjusting spring, a frame body, a square seat bearing, a right limiting plate assembly, an upper flattening roller, a lower flattening roller, a left limiting plate assembly and the like. According to the self-adaptive flattening roller adjusting device, the rolling distance of the flattening rollers can be adjusted in a self-adaptive mode according to the thickness of pasture, the drying rate after harvesting can be obviously increased after pasture stalks are flattened, and in addition, the device is easy to operate, stable, reliable and high in efficiency, and has important significance on high-quality harvesting of the pasture.

Description

Technical Field

[0001] The utility model belongs to the technical field of animal husbandry machinery, in particular to an adaptive flattening roller rolling distance adjustment device, which is suitable for flattening operations after the stems of forage crops are cut. Background Art

[0002] Grass flattening is an important part of the mechanized harvesting process of stem-type forage grass. Flattening the grass stems can significantly accelerate the drying speed of the grass, which is of great significance to the high-quality harvest of forage grass. The existing double-roller flattening devices mostly use hydraulic adjustment to adjust the spacing between the flattening rollers. The hydraulic system has high requirements on working conditions, the system is complex, and the cost is high. In addition, the vibration generated during the use of the equipment will affect the adjustment accuracy. Utility Model Content

[0003] In order to overcome the deficiencies in the prior art, the utility model provides an adaptive flattening roller spacing adjustment device, which can realize adaptive adjustment of the spacing between the flattening rollers during the process of flattening and harvesting forage stems.

[0004] The utility model is realized through the following technical solutions:

[0005] An adaptive flattening roller spacing adjustment device mainly includes: a spring hook, an adjustment spring, a frame, a square seat bearing, a right limit plate assembly, an upper flattening roller, a lower flattening roller, and a left limit plate assembly; the spring hook and the adjustment spring are symmetrical on the left and right sides; one end of the spring hook is connected to the adjustment spring, and the other end is concentrically connected to the right limit plate assembly and the left limit plate assembly; the other end of the adjustment spring is hinged to the frame.

[0006] The frame includes a connecting spring plate, a main frame weldment, and an adjustment plate; the connecting spring plate and the adjustment plate on the device are symmetrical on the left and right sides, the left and right sides of the connecting spring plate are welded to the frame, and a through hole is provided on the connecting spring plate, which is connected to the adjustment spring; the adjustment plate is welded and fixed to the inner sides of the left and right sides of the frame; the lower flattening roller is concentrically hinged at the bottom of the left and right sides of the frame, and the right limit plate assembly and the left limit plate assembly are concentrically fixed above the left and right sides of the frame.

[0007] Preferably, the upper flattening roller includes an upper flattening roller shaft weldment, an upper flattening roller segment, an upper roller shaft end weldment, and a countersunk screw; both ends of the upper flattening roller shaft weldment are concentrically connected to the upper roller shaft end weldment and fixed by the countersunk screw; the two sides of the upper flattening roller shaft weldment are concentrically hinged to the right limit plate assembly and the left limit plate assembly.

[0008] Preferably, the structure of the lower flattening roller is the same as that of the above-mentioned upper flattening roller, including a lower flattening roller shaft weldment, a lower flattening roller segment, a lower roller shaft end weldment, and a countersunk screw; the two ends of the lower flattening roller shaft weldment are concentrically connected to the lower roller shaft end weldment and fixed by the countersunk screw; the two ends of the lower flattening roller shaft weldment are concentrically hinged to the left and right side plates of the main frame weldment.

[0009] Preferably, the components of the right limit plate assembly and the left limit plate assembly are the same, and the directions of the fixed connecting components are different; the left limit plate assembly includes a rolling bearing, a limit support plate, a bearing seat weldment, a gasket, a copper sleeve, a left limit plate weldment, a sealing ring, and an elastic retaining ring; the left limit plate weldment is provided with two through holes, one through hole is concentrically connected to the bearing seat weldment toward the outside, the copper sleeve is installed in the bearing seat weldment and fixed by the gasket; the other through hole is concentrically connected to the rolling bearing toward the inside; the rolling bearing is installed, blocked by the elastic retaining ring, and then concentrically connected to the sealing ring; the left limit plate weldment is concentrically connected to the upper roller shaft end weldment; the limit support plate is fixed parallel to the lower end of the left limit plate weldment; the bearing seat weldment is concentrically connected to the main frame weldment.

[0010] Preferably, bolts and nuts for adjusting the spacing between the upper and lower flattening rollers are provided between the adjustment plate of the frame and the limit support plate of the left limit plate assembly. This allows for adaptive adjustment of the flattening roller spacing based on grass thickness, enabling adaptive adjustment of the grass flattening roller spacing.

[0011] Beneficial effects of the utility model:

[0012] The utility model automatically adapts to the flattening thickness requirements of different forage grasses through the expansion and contraction of the spring, quickly adjusts the gap between the flattening rollers, and meets the technical requirements of forage grass flattening. The utility model has a simple structure, low cost, and reliable use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] By describing the exemplary embodiments of the present invention in more detail with reference to the accompanying drawings, the above and other purposes, features and advantages of the present invention will become more apparent. In the exemplary embodiments, the same reference numerals generally represent the same components.

[0014] Figure 1 This is an axonometric view of an adaptive flattening roller spacing adjustment device according to an embodiment of the present invention;

[0015] Figure 2 This is a schematic structural diagram of a frame according to an embodiment of the present invention;

[0016] Figure 3 A partial cross-sectional view of an upper flattening roller according to an embodiment of the present invention;

[0017] Figure 4 A partial cross-sectional view of a lower flattening roller according to an embodiment of the present invention;

[0018] Figure 5 A partial cross-sectional view of a left limit plate assembly according to an embodiment of the present invention;

[0019] Figure 6 A partial cross-sectional view of the right side of the adaptive flattening roller gap adjustment device according to one embodiment of the present invention;

[0020] The symbols in the figure are explained as follows:

[0021] 1- Spring hook

[0022] 2-Adjusting spring

[0023] 3-Frame

[0024] 301-connecting spring plate, 302-main frame weldment, 303-adjustment plate

[0025] 4-Square Block Bearing

[0026] 5-Right limit plate assembly

[0027] 6-Upper flattening roller

[0028] 601-Upper flattening roller shaft weldment, 602-Upper flattening roller segment, 603-Upper roller shaft end weldment, 604-Countersunk screw

[0029] 7-Lower flattening roller

[0030] 701-lower flattening roller weldment, 702-lower flattening roller segment, 703-lower roller end weldment, 604-countsunk screw

[0031] 8-Left limit plate assembly

[0032] 801-rolling bearing, 802-limit support plate, 803-bearing seat weldment, 804-washer, 805-copper sleeve, 806-left limit plate weldment, 807-sealing ring, 808-elastic retaining ring DETAILED DESCRIPTION

[0033] The following is a complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] like Figure 1As shown, the utility model provides an adaptive flattening roller rolling distance adjustment device, which mainly includes a spring hook 1, an adjusting spring 2, a frame 3, a square seat bearing 4, a right limit plate assembly 5, an upper flattening roller 6, a lower flattening roller 7, and a left limit plate assembly 8; the spring hook 1 and the adjusting spring 2 are symmetrical on the left and right sides; one end of the left and right spring hooks 1 is connected to the adjusting spring 2, and the other end is concentrically connected to the right limit plate assembly 5 and the left limit plate assembly 8; the other end of the left and right adjusting springs 2 is hinged to the frame 3.

[0035] like Figure 2 As shown, the frame 3 includes a connecting spring plate 301, a main frame weldment 302, and an adjustment plate 303; the left and right connecting spring plates 301 are welded to the main frame weldment 302, and a through hole is provided on the connecting spring plate 301, and the through hole is connected to the adjustment spring 2; the left and right adjustment plates 303 are welded and fixed to the inner sides of the left and right side plates of the main frame weldment 302; Figure 1 and Figure 2 As shown, the lower flattening roller 7 is concentrically hinged below the left and right side plates of the main frame weldment 302, and the right limit plate assembly 5 and the left limit plate assembly 8 are concentrically fixed above the left and right side plates of the main frame weldment 302.

[0036] like Figure 3 As shown, the upper flattening roller 6 includes an upper flattening roller shaft weldment 601, an upper flattening roller segment 602, an upper roller shaft end weldment 603, and countersunk screws 604; the upper flattening roller segment 602 is shaped like a spiral and is installed in series on the outside of the upper flattening roller shaft weldment 601; the two ends of the upper flattening roller shaft weldment 601 are concentrically connected to the upper roller shaft end weldment 603 and fixed by countersunk screws 604; Figure 3 and Figure 1 The upper flattening roller weldment 601 is shown to be concentrically hinged to the right limit plate assembly 5 and the left limit plate assembly 8 on both sides.

[0037] like Figure 4 and Figure 3 As shown, the structure of the lower flattening roller 7 is the same as that of the upper flattening roller 6, including a lower flattening roller shaft weldment 701, a lower flattening roller segment 702, a lower roller shaft end weldment 703, and countersunk screws 604; the lower flattening roller segment 702 is installed in series on the outside of the lower flattening roller shaft weldment 701; the lower flattening roller segment 702 and the upper flattening roller segment 602 are installed in series in opposite directions to facilitate the meshing of the upper and lower flattening rollers; the two ends of the lower flattening roller shaft weldment 701 are concentrically connected to the lower roller shaft end weldment 703 and fixed by countersunk screws 604; as shown in FIG. Figure 4 and Figure 1 As shown, the two ends of the lower flattening roller weldment 701 are concentrically hinged to the left and right side plates of the main frame weldment 302.

[0038] like Figure 5As shown, the right limit plate assembly 5 and the left limit plate assembly 8 of the present device have the same components, but the directions of the fixed connection components are different; the left limit plate assembly 8 includes a rolling bearing 801, a limit support plate 802, a bearing seat weldment 803, a washer 804, a copper sleeve 805, a left limit plate weldment 806, a sealing ring 807, and an elastic retaining ring 808; the left limit plate weldment 806 is provided with two through holes, one through hole is concentrically connected to the bearing seat weldment 803 toward the outside, and the copper sleeve 805 is installed in the bearing seat weldment 803 and fixed by the washer 804; the other through hole is concentrically connected to the rolling bearing 801 toward the inside, blocked by the elastic retaining ring 808, and then concentrically connected to the sealing ring 807; as shown Figure 5 and Figure 1 The left limit plate weldment 806 shown is concentrically connected to the upper roller shaft end weldment 603; the limit support plate 802 is fixed parallel to the lower end of the left limit plate weldment 806; the bearing seat weldment 803 is provided with two through holes, which are concentrically connected to the main frame weldment 302.

[0039] like Figure 6 and Figure 1 As shown, bolts and nuts for adjusting the spacing between the upper and lower flattening rollers 6 and 7 are located between the adjustment plate 303 of the frame 3 and the limit support plate 802 of the left limit plate assembly 8. This allows for adaptive adjustment of the spacing between the flattening rollers based on grass thickness, enabling adaptive adjustment of the grass flattening roller spacing.

[0040] This device ensures smooth, non-clogging flattening of the grass during operation, automatically adjusts the gap, extends the service life of the flattening device, and reduces maintenance cycles and costs. Throughout the flattening process, the gap is automatically adjusted by adjusting the spring 2, which adjusts the gap based on its own state, thus achieving the purpose of automatically adjusting the gap between the flattening rollers.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An adaptive flattening roller spacing adjustment device, characterized in that: The device comprises a spring hook (1), an adjusting spring (2), a frame (3), a square seat bearing (4), a right limit plate assembly (5), an upper flattening roller (6), a lower flattening roller (7), and a left limit plate assembly (8); the spring hook (1) and the adjusting spring (2) are symmetrical on the left and right sides; one end of the spring hook (1) is connected to the adjusting spring (2), and the other end is concentrically connected to the right limit plate assembly (5) and the left limit plate assembly (8); the other end of the adjusting spring (2) is hinged to the frame (3).

2. The adaptive flattening roller gap adjustment device according to claim 1, characterized in that: The frame (3) comprises a connecting spring plate (301), a main frame weldment (302), and an adjustment plate (303); the connecting spring plate (301) and the adjustment plate (303) are symmetrically installed at the left and right ends; the connecting spring plate (301) is welded to the main frame weldment (302), and a through hole is provided on the connecting spring plate (301), and the through hole is connected to the adjustment spring (2); the adjustment plate (303) is welded and fixed to the inner sides of the left and right side plates of the main frame weldment (302); the lower flattening roller (7) is concentrically hinged below the left and right side plates of the main frame weldment (302), and the right limit plate assembly (5) and the left limit plate assembly (8) are concentrically fixed above the left and right side plates of the main frame weldment (302).

3. The adaptive flattening roller gap adjustment device according to claim 1, characterized in that: The upper flattening roller (6) comprises an upper flattening roller shaft weldment (601), an upper flattening roller segment (602), an upper roller shaft end weldment (603), and a countersunk screw (604); the upper flattening roller shaft weldment (601) is concentrically connected to the upper roller shaft end weldment (603) at both ends and fixed by the countersunk screw (604); the upper flattening roller segment (602) is mounted in series on the outside of the upper flattening roller shaft weldment (601); and the upper flattening roller shaft weldment (601) is concentrically hinged to the right limit plate assembly (5) and the left limit plate assembly (8) at both sides.

4. The adaptive flattening roller spacing adjustment device according to claim 2, characterized in that: The structure of the lower flattening roller (7) is the same as that of the upper flattening roller (6), including a lower flattening roller shaft weldment (701), a lower flattening roller segment (702), a lower roller shaft end weldment (703), and a countersunk screw (604); the two ends of the lower flattening roller shaft weldment (701) are concentrically connected to the lower roller shaft end weldment (703) and fixed by the countersunk screw (604); the lower flattening roller segment (702) is installed in series on the outside of the lower flattening roller shaft weldment (701); the two ends of the lower flattening roller shaft weldment (701) are concentrically hinged to the left and right side plates of the main frame weldment (302).

5. The adaptive flattening roller gap adjustment device according to claim 2, characterized in that: The components of the right limit plate assembly (5) and the left limit plate assembly (8) are the same, but the directions of the fixed connection components are different; the left limit plate assembly (8) includes a rolling bearing (801), a limit support plate (802), a bearing seat weldment (803), a washer (804), a copper sleeve (805), a left limit plate weldment (806), a sealing ring (807), and an elastic retaining ring (808); the left limit plate weldment (806) is provided with two through holes, one of which is concentrically connected to the bearing seat weldment (803) toward the outside, and the bearing seat weldment (803) is provided with a plurality of through holes. The copper sleeve (805) is installed inside and fixed by the gasket (804); another through hole is concentrically connected to the rolling bearing (801) toward the inside; the rolling bearing (801) is blocked by the elastic retaining ring (808) and then concentrically connected to the sealing ring (807); the left limit plate weldment (806) is concentrically connected to the upper roller shaft end weldment (603); the limit support plate (802) is fixed parallel to the lower section of the left limit plate weldment (806); the bearing seat weldment (803) is provided with two through holes, which are concentrically connected to the main frame weldment (302).

6. The adaptive flattening roller gap adjustment device according to claim 5, characterized in that: Bolts and nuts for adjusting the distance between the upper flattening roller (6) and the lower flattening roller (7) are provided between the adjustment plate (303) of the frame (3) and the limit support plate (802) of the left limit plate assembly (8).

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