Test bed for square bale pressing knotter

By setting a limiting mechanism and a guiding system on the knotter test bench, the problem of rope drum jumping during rope release was solved, achieving stable rope guidance and release stability, and improving the test bench's performance.

CN223565219UActive Publication Date: 2025-11-18HEILONGJIANG PROV AGRI MACHINERY ENG SCI INST
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Patent Information

Application Number
CN202422352268.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-11-18
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The existing knotter test bench lacks a limiting mechanism, which causes the rope drum to jump and scatter easily during rope release, especially at higher speeds.

Method used

A structure including a vertical plate, a drive disc, a sleeve, a plug rod, a spring, and a limiting plate was designed. The plug rod and spring work together to limit the position of the rope drum, and the motor-driven drive wheel and transmission belt system ensure the stable guidance of the rope and the stability of the unwinding process.

Benefits of technology

It effectively prevents the rope drum from jumping during the pulling process, ensuring the stability of the line release and the tensile stability of the rope, and improving the overall stability and guiding effect of the line release.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a square bale pressing knotter test bed, which comprises a test bed body, a vertical plate and a guide seat are arranged on the upper surface of the test bed body, the vertical plate is connected with a driving disc, the driving disc is connected with a sleeve, an inserting rod is arranged in the sleeve, the inserting rod is connected with a pressing plate, a mounting groove is arranged on the peripheral side surface of the inserting rod, and a clamping groove is arranged on the peripheral side surface of the sleeve. A second spring is installed in the installation groove and connected with a clamping block, a strip-shaped groove is formed in one surface of the driving disc, a first spring is installed in the strip-shaped groove and connected with a connecting block, and the connecting block is connected with a limiting plate. Through the arrangement of the first spring, the second spring, the limiting plate and the pressing plate, the rope cylinder is inserted into the peripheral side face of the sleeve, then the insertion rod is inserted into the sleeve, the second spring is reset, the clamping block is inserted into the clamping groove, the pressing plate limits one side of the rope cylinder, and the first spring pushes the limiting plate through the connecting block to further limit the rope cylinder from the two sides; and a thread rope of the bobbin can be effectively prevented from jumping in the pulling process.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of knotter test bench, especially relates to a square straw bale press knotter test bench. BACKGROUND

[0002] The square straw bale pickup baler is a kind of forage harvesting machinery that presses straw into square straw bale for transportation and storage, and the knotter is the core component of the square straw bale baler of forage harvesting machinery, which can complete the actions of rope feeding, rope clamping, rope winding, rope cutting, return and tripping within 0.6-0.7 seconds. These actions are composed of the cam of the knotter. In order to study the action process of the knotter, the knotter test bench in the prior art is developed. Through the design and manufacture of the test bench, the movement process of the knotter can be clearly observed, and the performance of the newly manufactured knotter can be tested and studied. The existing knotter test bench generally simply places the wire rope drum on the test bench. However, the wire drum of the test bench is only installed by sleeving the positioning column, and does not have some limiting mechanisms, which causes the wire rope drum to be affected by the action of rope feeding during the process of rope feeding. When the rope feeding speed is fast, the wire rope drum is prone to jumping, which causes the wire to be scattered. In order to solve the above problems, the square straw bale press knotter test bench is proposed. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a square straw bale press knotter test bench, which solves the problem that the existing knotter test bench generally simply places the wire rope drum on the test bench, the wire drum of the test bench is only installed by sleeving the positioning column, and does not have some limiting mechanisms, which causes the wire rope drum to be affected by the action of rope feeding during the process of rope feeding. When the rope feeding speed is fast, the wire rope drum is prone to jumping, which causes the wire to be scattered.

[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0005] The utility model is a square straw bale press knotter test bench, which comprises a test bench body, a vertical plate and a guide seat are fixedly installed on the upper surface of the test bench body, one surface of the vertical plate is connected with a driving disc, one surface of the driving disc is fixedly connected with a sleeve, a plug rod is installed in the sleeve, one end of the plug rod is fixedly connected with a pressing plate, a plurality of installation grooves are formed in the circumferential surface of the plug rod, a plurality of clamping grooves are formed in the circumferential surface of the sleeve, a second spring is fixedly installed in the installation groove, one end of the second spring is fixedly connected with a clamping block, a plurality of strip grooves are formed in one surface of the driving disc, a first spring is fixedly installed in the strip groove, one end of the first spring is fixedly connected with a connecting block, and a limiting plate is fixedly connected with one surface of the connecting block.

[0006] Preferably, the front surface of the vertical plate is connected with a support and a driving wheel, the driving wheel is fixedly connected with a driving disc, a motor is fixedly installed in the support, the output end of the motor is fixedly connected with the driving wheel, the front surface of the guide seat is connected with a driven wheel, a transmission belt is connected between the driving wheel and the driven wheel, one surface of the driven wheel is fixedly connected with a screw rod, a moving block is installed on the circumferential surface of the screw rod, limit frames are fixedly connected to the two side surfaces of the moving block, an installation plate is fixedly connected to the upper surface of the limit frame, a supporting rod is connected to the upper surface of the installation plate, a wire wheel is rotatably connected to the upper end of the supporting rod, a first sliding groove is formed in the upper surface of the installation plate, a sliding block is installed in the first sliding groove, a push-pull rod is connected to the upper surface of the sliding block, the upper end of the push-pull rod is connected with the supporting rod, a second sliding groove is formed in one side surface of the installation plate, a sliding rod is installed in the second sliding groove, one end of the sliding rod is fixedly connected with the sliding block, and a nut is installed on the circumferential surface of the sliding rod.

[0007] Preferably, the driving disc is rotatably connected with the vertical plate, and the connecting block is in sliding fit with the strip-shaped groove.

[0008] Preferably, the clamping block is in sliding fit with the clamping groove, the clamping block is in sliding fit with the installation groove, and the insertion rod is in sliding fit with the sleeve.

[0009] Preferably, the screw rod is in threaded fit with the moving block, the two side surfaces of the guide seat are formed with limit grooves, and the limit frames are in sliding fit with the limit grooves.

[0010] Preferably, the sliding block is in sliding fit with the first sliding groove, the sliding rod is in sliding fit with the second sliding groove, and the sliding rod is in threaded fit with the nut.

[0011] Preferably, the sliding block and the supporting rod are hingedly connected with the push-pull rod, and the supporting rod is hingedly connected with the installation plate.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model discloses a wire reel fixing device, which comprises a vertical plate, a driving disc, a connecting block, a strip-shaped groove, a guide seat, a clamping block, an installation groove, a sleeve, an insertion rod, a second spring, a clamping groove, a first spring, a limit plate and a pressing plate.

[0014] 2. The utility model discloses a screw rod, moving block and wire wheel are set up, and the process of motor is rotated through the drive pulley and is taken off the wire rope cylinder and is taken off, and further drive screw rotation is driven through the transmission belt and rotates, and moving block is moved through the spacer frame and drives wire wheel, can be guided to the wire rope in the wire taking off, guarantee the stability of wire rope's stretching, pull the slide bar, and the slide bar drives the sliding block to move, and the sliding block further drives the support rod to rotate through the push -pull rod, thereby the height of wire wheel is adjusted, and the position of wire wheel is fixed through the tightening of the nut, convenient wire wheel can keep the effect of the wire rope's resistance and tightness at any time.

[0015] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the sectional structure schematic diagram of the utility model's limiting mechanism;

[0019] Figure 3 It is the structure schematic diagram of the utility model's wire guide mechanism;

[0020] Figure 4 It is Figure 2 The local enlarged structure schematic diagram in A place;

[0021] Figure 5 It is Figure 2 The local enlarged structure schematic diagram in B place.

[0022] In the drawing, the component list represented by each sign is as follows: 1, test table body;2, vertical board;3, drive disc;4, sleeve;5, pressing plate;6, guide seat;7, motor;8, driving wheel;9, driven wheel;10, transmission belt;11, screw rod;12, moving block;13, spacer frame;14, limiting groove;15, plug-in rod;16, mounting plate;17, support rod;18, wire wheel;19, first sliding groove;20, sliding block;21, push-pull rod;22, second sliding groove;23, slide bar;24, nut;25, strip slot;26, first spring;27, connecting block;28, limiting plate;29, mounting groove;30, second spring;31, clamping block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0024] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] Please refer to Figures 1-5 The utility model discloses a kind of square bale pressing knotter test bench, including test bench body 1, the upper surface of test bench body 1 is fixedly installed with vertical plate 2 and guide seat 6, the surface of vertical plate 2 is connected with driving disc 3, the surface of driving disc 3 is fixedly connected with sleeve 4, sleeve 4 is installed with inserting rod 15, one end of inserting rod 15 is fixedly connected with pressing plate 5, the circumferential surface of inserting rod 15 is provided with a plurality of installation grooves 29, the circumferential surface of sleeve 4 is provided with a plurality of clamping grooves, second spring 30 is fixedly installed in installation groove 29, one end of second spring 30 is fixedly connected with clamping block 31, the surface of driving disc 3 is provided with a plurality of strip grooves 25, first spring 26 is fixedly installed in strip groove 25, one end of first spring 26 is fixedly connected with connecting block 27, the surface of connecting block 27 is fixedly connected with limit plate 28, by setting first spring 26, second spring 30, limit plate 28 and pressing plate 5, insert the rope cylinder in the circumferential surface of sleeve 4, then inserting rod 15 is inserted into sleeve 4, after inserting rod 15 is completely inserted into sleeve 4, clamping block 31 reaches the position of clamping groove, second spring 30 resets, so that clamping block 31 is inserted into clamping groove, pressing plate 5 limits and compresses one side of rope cylinder, sleeve 4 expands limit plate 28 from both sides to outside, first spring 26 resets, limit plate 28 is further limited from both sides to rope cylinder by connecting block 27, can effectively prevent the rope of line cylinder from jumping in pulling, guarantee the stability when line cylinder is paying off.

[0026] The front surface of the vertical plate 2 is connected with a support and a driving wheel 8, the driving wheel 8 is fixedly connected with the driving disc 3, the support is fixedly installed with a motor 7, the output end of the motor 7 is fixedly connected with the driving wheel 8, the front surface of the guide seat 6 is connected with a driven wheel 9, the driving wheel 8 and the driven wheel 9 are connected with a transmission belt 10, one surface of the driven wheel 9 is fixedly connected with a screw rod 11, the circumferential surface of the screw rod 11 is installed with a moving block 12, the two side surfaces of the moving block 12 are fixedly connected with limiting frames 13, the upper surface of the limiting frame 13 is fixedly connected with a mounting plate 16, the upper surface of the mounting plate 16 is connected with a supporting rod 17, the upper end of the supporting rod 17 is rotatably connected with a wire wheel 18, the upper surface of the mounting plate 16 is provided with a first sliding groove 19, the first sliding groove 19 is installed with a sliding block 20, the upper surface of the sliding block 20 is connected with a push-pull rod 21, the upper end of the push-pull rod 21 is connected with the supporting rod 17, one side surface of the mounting plate 16 is provided with a second sliding groove 22, the second sliding groove 22 is installed with a sliding rod 23, one end of the sliding rod 23 is fixedly connected with the sliding block 20, the circumferential surface of the sliding rod 23 is installed with a nut 24, by setting the screw rod 11, the moving block 12 and the wire wheel 18, in the process that the motor 7 drives the wire rope drum to rotate and pay off the wire rope, the driving wheel 8 drives the driven wheel 9 to rotate through the transmission belt 10, further drives the screw rod 11 to rotate, the moving block 12 drives the wire wheel 18 to move through the limiting frame 13, the wire rope can be guided while paying off the wire rope, the stability of the wire rope is ensured, the sliding rod 23 is pulled, the sliding rod 23 drives the sliding block 20 to move, the sliding block 20 further drives the supporting rod 17 to rotate through the push-pull rod 21, so that the height of the wire wheel 18 is adjusted, the nut 24 is tightened to fix the position of the wire wheel 18, the wire wheel 18 can keep the effect of resisting and tightening the wire rope at any time.

[0027] The driving disc 3 is rotatably connected with the vertical plate 2, and the connecting block 27 is slidably connected with the strip-shaped groove 25.

[0028] The clamping block 31 is slidably connected with the clamping groove, the clamping block 31 is slidably connected with the mounting groove 29, and the insertion rod 15 is slidably connected with the sleeve 4.

[0029] The screw rod 11 is threadedly connected with the moving block 12, the two side surfaces of the guide seat 6 are provided with limiting grooves 14, and the limiting frame 13 is slidably connected with the limiting groove 14.

[0030] The sliding block 20 is slidably connected with the first sliding groove 19, the sliding rod 23 is slidably connected with the second sliding groove 22, and the sliding rod 23 is threadedly connected with the nut 24.

[0031] The sliding block 20 and the supporting rod 17 are hingedly connected with the push-pull rod 21, and the supporting rod 17 is hingedly connected with the mounting plate 16.

[0032] Embodiment:

[0033] As Figures 1-5As shown, the use method of the square bale pressing and knotting device test bench is as follows: when the utility model is used, first, the wire rope cylinder is inserted into the circumferential side surface of the sleeve 4, then the inserting rod 15 is inserted into the sleeve 4, after the inserting rod 15 is completely inserted into the sleeve 4, the clamping block 31 reaches the position of the clamping groove, the second spring 30 resets, so that the clamping block 31 is inserted into the clamping groove, the pressing plate 5 limits and tightly presses one side of the wire rope cylinder, the sleeve 4 expands the limiting plate 28 outward from both sides, the first spring 26 resets, the limiting plate 28 is further limited from both sides to the wire rope cylinder through the connecting block 27, the wire rope of the wire cylinder can be effectively prevented from jumping in the pulling process, the stability of the wire cylinder during the wire releasing process is ensured, the motor 7 drives the wire rope cylinder to rotate and release the wire through the driving wheel 8, the driven wheel 9 rotates through the transmission belt 10, the screw rod 11 is further driven to rotate, the moving block 12 drives the wire guide wheel 18 to move through the limiting frame 13, the wire can be guided while releasing the wire, the stability of the wire stretching is ensured, the slide rod 23 is pulled, the slide rod 23 drives the sliding block 20 to move, the sliding block 20 further drives the supporting rod 17 to rotate through the push-pull rod 21, so that the height of the wire guide wheel 18 is adjusted, the position of the wire guide wheel 18 is fixed through the screwed nut 24, the wire guide wheel 18 can be conveniently kept in contact with the wire rope at any time.

[0034] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description 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.

[0035] The above disclosed preferred embodiments of the utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical application of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A test bench for a square hay bale knotter, comprising a test bench body (1), characterized in that, A vertical plate (2) and a guide seat (6) are fixedly installed on the upper surface of the test bench body (1). A drive plate (3) is connected to one surface of the vertical plate (2). A sleeve (4) is fixedly connected to one surface of the drive plate (3). A plug rod (15) is installed inside the sleeve (4). A pressure plate (5) is fixedly connected to one end of the plug rod (15). Several mounting grooves (29) are opened on the circumferential side of the plug rod (15). Several slots are opened on the circumferential side of the sleeve (4). A second spring (30) is fixedly installed inside the mounting groove (29). A locking block (31) is fixedly connected to one end of the second spring (30). Several strip grooves (25) are opened on one surface of the drive plate (3). A first spring (26) is fixedly installed inside the strip groove (25). A connecting block (27) is fixedly connected to one end of the first spring (26). A limit plate (28) is fixedly connected to one surface of the connecting block (27).

2. The test bench for a square hay bale knotter according to claim 1, characterized in that, The front surface of the vertical plate (2) is connected to a bracket and a drive wheel (8). The drive wheel (8) is fixedly connected to the drive disc (3). A motor (7) is fixedly installed inside the bracket. The output end of the motor (7) is fixedly connected to the drive wheel (8). The front surface of the guide seat (6) is connected to a driven wheel (9). A transmission belt (10) is connected between the drive wheel (8) and the driven wheel (9). A screw (11) is fixedly connected to one surface of the driven wheel (9). A moving block (12) is installed on the circumferential side of the screw (11). Limit frames (13) are fixedly connected to both sides of the moving block (12). A mounting plate (16) is fixedly connected to the upper surface of the limit frame (13). The upper surface of the mounting plate (16) is connected to a support rod (17), and the upper end of the support rod (17) is rotatably connected to a guide wheel (18). The upper surface of the mounting plate (16) is provided with a first sliding groove (19), and a slider (20) is installed in the first sliding groove (19). The upper surface of the slider (20) is connected to a push-pull rod (21), and the upper end of the push-pull rod (21) is connected to the support rod (17). One side of the mounting plate (16) is provided with a second sliding groove (22), and a slide rod (23) is installed in the second sliding groove (22). One end of the slide rod (23) is fixedly connected to the slider (20), and a nut (24) is installed on the circumferential side of the slide rod (23).

3. The test bench for a square hay bale knotter according to claim 1, characterized in that, The drive disk (3) is rotatably connected to the vertical plate (2), and the connecting block (27) is slidably engaged with the strip groove (25).

4. The test bench for a square hay bale knotter according to claim 1, characterized in that, The locking block (31) is slidably engaged with the locking slot, the locking block (31) is slidably engaged with the mounting slot (29), and the insert rod (15) is slidably engaged with the sleeve (4).

5. The test bench for a square hay bale knotter according to claim 2, characterized in that, The screw (11) is threadedly engaged with the moving block (12), and the guide seat (6) has limit grooves (14) on both sides. The limit frame (13) is slidably engaged with the limit grooves (14).

6. The test bench for a square hay bale knotter according to claim 2, characterized in that, The slider (20) is slidably engaged with the first groove (19), the slide rod (23) is slidably engaged with the second groove (22), and the slide rod (23) is threadedly engaged with the nut (24).

7. The test bench for a square hay bale knotter according to claim 2, characterized in that, The slider (20) and the support rod (17) are both hinged to the push-pull rod (21), and the support rod (17) is hinged to the mounting plate (16).