CN204652911U - The test stand of the comprehensive adjustment of plough - Google Patents

Abstract

The utility model belongs to agricultural mechanical field, the test stand of the particularly comprehensive adjustment of a kind of plough.Plough test stand adjusting device is primarily of suspended portion, bracket height adjusting device and rack-mounted ditching depth adjusting device; Upper junction plate is supported in the top of frame by front overhang link plate and rear overhang link plate, and bracket height adjusting device two groups of having structure identical, are arranged on the both sides of frame respectively; Ditching depth adjusting device is fixed in the rear portion of frame.Frame is connected on tractor by suspended portion, the rotation of left regulating tooth wheel shaft and right regulating tooth wheel shaft is driven by adjusting handle, hollow thread axle and land wheel support bar are stretched along regulating sleeve, realizes the vertical adjustment of trench digging test stand, frame is reached rational position.Structure of the present utility model is simple, easy to operate, optimizes the effect of trench digging test, and is applicable to the needs of multiple no-tillage seeding machine operation.

Description

Opener fully adjustable test stand

technical field

The utility model belongs to the field of agricultural machinery, in particular to a test frame for all-round adjustment of openers.

Background technique

In the field of agricultural machinery technology, the no-tillage opener is a key component of the seeder, and its working performance directly affects the quality of the field operation of the seeder. According to the needs of crop planting, adjust the distance between the openers and the depth of the trench. In order to better test the performance of the openers, it is necessary to fix the openers on the frame of the seeder for indoor or field tests. At present, the research on openers is mainly aimed at the design of each opener itself, but there is a lack of research on opener test adjustment devices. For example, a no-tillage opener designed by the patent No. 200610169636.4 "No-tillage opener" only designed the structural parameters of the opener, but did not design the installation and adjustment mechanism of the opener, which cannot guarantee the opening. The normal performance of the ditch performance test. Patent No. 201110096889.4 "Depth Adjustable Parallelogram Structure Floating Vibration Reduction Ditch Opener" The profiling device for the ditching depth is only for profiling adjustment of the ditching structure, and it cannot guarantee that the ditching opener is performing ditching test It is adjusted according to the requirements, and the structure of the adjustment device corresponding to each opener is complicated, which is not easy to adjust. The opener adjustment device designed by the patent No. 201410181751.8 "a new type of opener adjustable device" only adjusts the vertical direction of the opener, and cannot ensure that the operating frame is in a suitable position, and each opener The adjustment of the opener will have a complicated adjustment device, which does not consider the adjustment of the lateral position of the opener.

Contents of the invention

In order to solve the problem of inconvenient adjustment of the opener installed on the frame during the performance test, the utility model designs a test frame for all-round adjustment of the opener, which is convenient for the height adjustment of the test frame and the opening of the opener on the frame. Adjust the horizontal and vertical directions on the top to ensure the smooth progress of the field or indoor test of the opener.

The technical scheme that the utility model adopts is:

The test frame is composed of a suspension part installed on the frame, a frame height adjustment device and a ditch depth adjustment device;

The suspension part is composed of an upper connecting plate, 2 front hanging plates and 2 rear hanging plates; the upper connecting plate is supported above the frame by the front hanging plate and the rear hanging plate;

The frame height adjustment device has two groups with the same structure, which are installed on both sides of the frame respectively. shaft and ground wheel support rod; two symmetrical vertical guide rails are affixed to the inner wall of the hollow threaded shaft, and the outer wall of the hollow threaded shaft is provided with external threads; the outer wall of the ground wheel support rod is provided with two vertical The vertical guide groove and external thread matched with the guide rail, the ground wheel support rod is inserted into the hollow threaded shaft; the adjusting sleeve is set outside the hollow threaded shaft, and the upper end of the adjusting sleeve is provided with a large internal threaded hole and the outer threaded hole of the hollow threaded shaft. Thread fit, the lower end is provided with a small internal thread hole to cooperate with the external thread of the ground wheel support rod, the outer wall of the adjustment sleeve is a vertical straight tooth; the right adjustment gear shaft passes through the bracket, and the right adjustment gear shaft bevel gear is set at the upper end , the bottom end is provided with the right adjustment gear shaft spur gear meshed with the straight teeth, and the top of the right adjustment gear shaft is affixed to the adjustment handwheel; the two ends of the bevel gear transmission shaft are respectively affixed with a bevel gear, wherein the right bevel gear It meshes with the bevel gear of the right adjustment gear shaft; the structure and installation method of the left adjustment gear shaft of the frame height adjustment device are the same as those of the right adjustment gear shaft;

The ditching depth adjustment device is fixedly connected to the rear of the frame, and is composed of a frame connection seat, a spur gear adjustment device and a rack adjustment rod; the rack adjustment rod is vertically installed in the frame connection seat, and is connected with the spur gear The adjustment device is meshed by gears;

The two ground wheels are respectively installed at the lower ends of the two sets of frame height adjustment devices; the openers are installed at the lower ends of the rack adjustment rods.

The upper connecting plate is composed of two symmetrical side plates fixed on the short plate, and the two front suspension plates are arranged obliquely on both sides of the two side plates to form a "herringbone" shape structure.

Described frame is made up of frame front beam, frame middle beam, frame rear beam, frame left beam, frame right beam, left support beam and right support beam; Described frame front beam, frame middle beam and The rear beam of the frame is on the same horizontal plane, and the two vertical bearing connecting plates are respectively symmetrically fixed on the left support beam and the right support beam of the frame, and the two front beam connecting plates of the frame are fixed vertically on the frame symmetrically On the front beam, two left and right symmetrical frame middle beam connecting plates are fixed vertically on the frame middle beam, two left and right symmetrical lower suspension frame connecting plates are fixed on the front end of the frame front beam, and two ground wheel pillars The horizontal sections of the left and right beams of the frame are respectively affixed vertically downward and left and right symmetrically.

The middle part of the right adjusting gear shaft is provided with an adjusting gear shaft boss.

The cross-section of the straight-tooth adjusting rod is triangular, and a straight rack is arranged on the front side thereof, and a square tube is arranged at the lower end of the rack adjusting rod, and is connected with the opener through the square tube.

The beneficial effects of the utility model are:

The utility model enables the opener to reach the required depth of entry into the soil and a reasonable horizontal position through rapid adjustment of the height of the test frame and the upper and lower positions of the opener and the horizontal position, thereby reducing the inconvenience of adjusting the opener and the operating depth during the test. Unsatisfactory problems: The whole set of mechanisms has a simple structure and is easy to operate. It is suitable for various types of opener tests and has strong versatility, thereby increasing the effect of opener tests and promoting the development of agricultural machinery.

Description of drawings

Fig. 1 is the front view of the test stand for all-round adjustment of the opener;

Fig. 2 is the right view of the test stand for all-round adjustment of the opener;

Figure 3 is a top view of the test stand for all-round adjustment of the opener;

Figure 4A is a front view of the rack;

Figure 4B is a top view of the frame;

Figure 5A is a front view of the upper connecting plate;

Fig. 5B is a left view of the upper connecting plate;

Figure 6 is a sectional view of the adjusting sleeve;

Figure 7 is a sectional view of the ground wheel support rod;

Fig. 8 is a sectional view of a hollow threaded shaft;

Figure 9 is a schematic diagram of the assembly of the hollow threaded shaft, the ground wheel support rod, and the adjustment sleeve;

Figure 10 is a front view of the opener connection seat;

Figure 11 is a top view of the opener connection seat.

Labels in the figure:

1-frame, 101-frame front beam, 102-rack middle beam, 103-rack rear beam, 104-rack left beam, 105-rack right beam, 106-left support beam, 107-right support beam , 108-vertical bearing connecting plate, 109-frame front beam connecting plate, 110-frame middle beam connecting plate, 111-adjusting gear shaft connecting hole, 112-ground wheel pillar, 113-front short rod, 114-rear Short bar, 115-connecting plate of lower suspension frame, 2-upper connecting plate, 201-side plate, 202-short plate, 203-front connecting hole of upper tie rod, 204-rear connecting hole of upper connecting plate, 205-front hanging plate Connection hole, 206-connection hole on rear suspension plate, 3-front suspension plate, 301-bottom hole of front suspension plate, 302-top hole on front suspension plate, 4-rear suspension plate, 401-bottom hole of rear suspension plate, 402-top hole on rear suspension plate, 5-right adjusting gear shaft, 501-right adjusting gear shaft spur gear, 502-adjusting gear shaft boss, 503-right adjusting gear shaft bevel gear, 504-adjusting hand wheel, 6-left Adjusting gear shaft, 7-bevel gear transmission shaft, 701-right bevel gear, 702-left bevel gear, 8-adjusting sleeve, 801-small internal thread hole, 802-large internal thread hole, 803-straight tooth, 9- Hollow threaded shaft, 901-vertical guide rail, 902-hollow threaded shaft external thread, 10-ground wheel support rod, 1001-ground wheel support rod external thread, 1002-vertical guide groove, 1003-ground wheel bearing hole, 11- Ground wheel, 12-frame connection seat, 1201-rear plate, 1202-front plate, 1203-through hole, 1204-fastening plate, 1205-bottom plate, 1206-triangular hole, 1207-bearing hole, 13-spur gear adjustment Device, 1301-spur gear, 1302-gear shaft, 1303-regulating wheel, 14-rack adjustment lever, 1401-straight rack, 1402-square pipe, 1403-opener connecting hole, 15-opener, 16 - Ground axle.

Detailed ways

The utility model provides a test frame for all-round adjustment of openers. The utility model will be further described in detail below in conjunction with the embodiments and accompanying drawings.

Figure 1, Figure 2 and Figure 3 show the front view, right view and top view of an embodiment of a test stand for all-round adjustment of openers, respectively. The test stand for all-round adjustment of openers is mainly composed of a suspension part, a machine Frame height adjustment device and ditching depth adjustment device installed on frame 1.

Figure 4A and Figure 4B show the front view of the frame and the top view of the frame respectively. Beam 105, left support beam 106 and right support beam 107 form a frame structure, frame front beam 101, frame middle beam 102 and frame rear beam 103 are on the same horizontal plane, and two vertical bearing connecting plates 108 are respectively left and right Symmetrically fixed on the left support beam 106 and right support beam 107 of the frame, two frame front beam connecting plates 109 are symmetrically and vertically fixed on the frame front beam 101, and two frame middle beam connecting plates 110 Symmetrical and vertically fixed on the frame middle beam 102, two left and right symmetrical lower suspension frame connecting plates 115 fixed on the front end of the frame front beam 101 are used to cooperate with the lower suspension rod of the tractor, and two ground wheel pillars 112 Vertically downward, left and right, symmetrically fixed respectively on the horizontal section of the frame left beam 104 and the frame right beam 105, the ground wheel pillar 112 is supported by the front short rod 113 and the rear short rod 114, and on the ground wheel pillar 112 A hollow threaded shaft 9 is affixed to the lower end. The frame left beam 104 and the frame right beam 105 are respectively provided with adjustment gear shaft connection holes 111 .

As shown in Figure 5A and Figure 5B, the front view of the upper connecting plate and the left side view of the upper connecting plate, the suspension part is composed of an upper connecting plate 2, two front hanging plates 3 and two rear hanging plates 4, and the upper connecting plate 2 It is a "冂"-shaped structure composed of two symmetrical side plates 201 fixed on the short plate 202. On the front side of the side plate 201, there are front connection holes 203 for the upper tie rod, rear connection holes 204 for the upper connection plate, and front suspension plates. 4 connection holes such as the upper connection hole 205, the connection hole 206 on the rear suspension plate, and the two front suspension plates 3 form a “herringbone” structure, and the bottom end hole 301 of the front suspension plate is connected with the frame front beam connection plate 109 by bolts , the upper hole 302 on the front suspension plate is connected with the connection hole 205 on the front suspension plate by bolts, the two ends of the rear suspension plate 4 respectively have the bottom end hole 401 on the rear suspension plate and the upper hole 402 on the rear suspension plate, and the bottom hole 401 on the rear suspension plate Hinged on the connecting plate 110 on the middle beam of the frame by bolts, the upper hole 402 on the rear suspension plate is hinged on the connecting hole 206 on the rear suspension plate by bolts; Cooperate with the upper pull rod of the tractor, two left and right symmetrical lower suspension frame connecting plates 115 fixed on the front end of the frame front beam 101 are used to be connected with the lower suspension rod of the tractor.

Fig. 6, Fig. 7 and Fig. 8 respectively show the sectional view of the adjustment sleeve, the sectional view of the ground wheel support rod and the sectional view of the hollow threaded shaft. The height adjustment device is respectively installed on both sides of the frame 1, and is composed of a right adjustment gear shaft 5, a left adjustment gear shaft 6, a bevel gear transmission shaft 7, an adjustment sleeve 8, a hollow threaded shaft 9 and a ground wheel support rod 10. The threaded shaft 9 is affixed to the lower end of the ground wheel pillar 10, and on the outside of the hollow threaded shaft 9 is a hollow threaded shaft external thread 902 matched with the large internal threaded hole 802 at the upper end of the adjustment sleeve 8, fixed on the inside of the hollow threaded shaft 9. Connected with two symmetrical vertical guide rails 901, the upper end of the ground wheel support rod 10 is an externally threaded shaft, and the outside of the threaded shaft is the external thread of the ground wheel support rod matched with the small internal thread hole 801 at the lower end of the adjustment sleeve 8. 1001, there are two vertical guide grooves 1002 symmetrically distributed on the outside of the external threaded shaft to cooperate with the vertical guide rail 901, and there is a ground wheel bearing hole 1003 at the lower end of the ground wheel support rod 10, and the outer surface is formed by straight teeth 803 The upper end of the adjustment sleeve 8 has a large internal thread hole 802 that matches the external thread 902 of the hollow threaded shaft 9, and the lower end of the adjustment sleeve 8 has a small internal thread that matches the external thread shaft 1001 at the upper end of the ground wheel support rod 10. Hole 801, the lower end of the right adjustment gear shaft 5 has a right adjustment gear shaft spur gear 501 that matches the outside straight teeth 803 of the adjustment sleeve 8, and there is an adjustment gear shaft boss 502 supporting the right adjustment gear shaft 5 in the middle position. A right adjustment gear shaft 503 that transmits power to the bevel gear transmission shaft 7 is fixedly connected above the adjustment gear shaft boss 502, and an adjustment hand wheel 504 that drives the right adjustment gear shaft 5 to rotate is fixed on the top of the right adjustment gear shaft 5. The rotation of the right adjustment gear shaft 5 is adjusted by the hand wheel 504, the right adjustment gear shaft 5 drives the rotation of the lower end spur gear 501, and the rotation of the adjustment sleeve 8 is driven by cooperating with the outer straight teeth 803 of the adjustment sleeve 8, and the adjustment sleeve 8 While rotating, the small internally threaded hole 801 at the lower end and the large internally threaded hole 802 at the upper end respectively drive the ground wheel support rod 10 and the hollow threaded shaft 9 to move in the opposite direction of the adjusting sleeve 8. Since the adjusting sleeve 8 is not fixed, it can Rotate up and down along the hollow threaded shaft 9, and then realize the expansion and contraction of the ground wheel support rod 10 and the hollow threaded shaft 9. Connecting plate 108 cooperates, and the two ends of bevel gear transmission shaft 7 are respectively fixed 2 right bevel gears 701, left bevel gears 702 that cooperate with right adjustment gear shaft 5 and left adjustment gear shaft 6 upper end bevel gears, will pass through bevel The gear transmission shaft 7 is delivered to the left adjustment gear shaft 6, and then drives the expansion and contraction of the left side frame height adjustment device.

The two ground wheels 11 are fixedly connected to the two ends of the ground wheel shaft 16 of the ground wheel support rod 10 on the left and right sides of the frame 1 respectively, and the ground wheel shaft 16 is formed by the bearing installed in the ground wheel bearing hole 1003 and the ground wheel support rod 10 Rotationally connected, the upper end connecting rod of the opener 15 is affixed to the lower end of the rack adjusting rod 14 by bolts.

As shown in Figures 10 and 11, the ditching depth adjustment device is fixed on the frame back beam 103, and is composed of a frame connection seat 12, a spur gear adjustment device 13 and a rack adjustment rod 14. The frame connection seat 12 The rear side of the frame is connected with the frame back beam 103, which is a "冂"-shaped structure composed of 3 plates. There is a through hole 1203 at the lower end of the rear plate 1201 of the "冂"-shaped structure, and a front plate 1202 of the "冂"-shaped structure. There is a protruding fastening plate 1204 at the lower end, and three bolt holes can be evenly divided in the middle of the fastening plate 1204. The rear end hole of the bottom plate 1205 is hinged with the hole at the lower end of the plate 1201 through a pin shaft, and there are evenly distributed bolt holes at the front end of the bottom plate 1205. The 3 bolt holes of the fastening plate 1204 are connected by bolts with the 3 bolt holes of the fastening plate 1204. The front side of the frame connecting seat 12 is the mounting seat 13 of the straight tooth adjusting rod 14, and there is a triangular hole 1206 for the straight tooth bar 1401 guide on the mounting seat. 1401 matches the spur gear 1301, and the spur gear 1301 is regulated by the adjustment wheels 1303 at the two ends of the gear shaft 1302 to drive the spur gear 1401 to move up and down. The upper end of the rack adjusting rod 14 is a triangular rod at one end. The front side of the triangular rod is a spur rack 1401 matched with the spur gear. The lower end of the rack adjustment lever 14 is a square tube 1402, and there are two symmetrical opener connection holes 1403 on both sides of the square tube 1402 lower half.

The utility model is applied to the test device of the no-tillage seeder. Before the test, the adjusting hand wheel 504 is rotated, and the power of the right bevel gear 701 is transmitted to the adjusting sleeve 8 through the right adjusting gear shaft spur gear 501, and the hollow threaded shaft 9 The bottom end of the ground wheel support rod 10 is connected to the outer side of the ground wheel support rod 10 through the adjustment sleeve 8. The external thread 902 of the hollow threaded shaft is opposite to the direction of rotation of the external thread 1001 of the ground wheel support rod. Turning the adjustment sleeve 8 will make the hollow thread The shaft 9 is opposite to the direction in which the ground wheel support rod 10 moves along the adjustment sleeve 8, the range of height adjustment is large, and the ground wheel support rod 10 moves vertically smoothly along the two vertical guide rails 901 inside the hollow threaded shaft 9 , do not make the ground wheel support rod 10 rotate along the hollow threaded shaft 9, the right adjustment gear shaft bevel gear 503 transmits power to the left adjustment gear shaft 6 through the bevel gear transmission shaft 7, and drives the telescopic adjustment machine of the left frame height adjustment device shelf height. Install the "冂"-shaped structure of the frame connection seat 12 of the ditching depth adjustment device on the appropriate position of the frame rear beam 103, and clamp the bottom plate 1205 on the fastening plate 1204, and fasten the connection seat 12 to the frame by bolts On the rear beam 103, it is convenient to install and adjust the depth adjustment device of the opener. At the same time, the upper end of the opener 15 to be tested is installed on the square tube 1402 at the lower end of the rack adjustment rod 14, and adjusted through the cooperation of the spur gear 1301 and the spur rack 1401. The upper end of the ground wheel support rod 10 moves vertically along the triangular hole 1206, so that the ditch opener 15 reaches a reasonable depth of entry into the soil, which is convenient for the ditching test to be carried out. The utility model has the advantages of simple structure, convenient operation, optimized test effect of the opener, and is suitable for test research of various openers.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (5)

1. A test frame for all-round adjustment of a ditch opener, characterized in that it is composed of a suspension part installed on the frame (1), a frame height adjustment device and a ditching depth adjustment device; The suspension part is composed of an upper connecting plate (2), 2 front hanging plates (3) and 2 rear hanging plates (4); the upper connecting plate (2) is composed of a front hanging plate (3) and a rear hanging plate (4) ) is supported above the frame (1); The frame height adjusting device has two groups with the same structure, which are respectively installed on both sides of the frame (1). 7), an adjustment sleeve (8), a hollow threaded shaft (9) and a ground wheel support rod (10); the inner wall of the hollow threaded shaft (9) is fixed with two symmetrical vertical guide rails (901), The outer wall of the hollow threaded shaft (9) is provided with the external thread of the hollow threaded shaft (902); the outer wall of the ground wheel support rod (10) is provided with two vertical guide grooves (1002) matched with the vertical guide rail (901) and The external thread of the ground wheel support rod (1001), the ground wheel support rod (10) is plugged into the hollow threaded shaft (9); the adjustment sleeve (8) is sleeved on the outside of the hollow threaded shaft (9), and the adjustment sleeve ( 8) The upper end is provided with a large internal threaded hole (802) to cooperate with the external thread of the hollow threaded shaft (902), and the lower end is provided with a small internal threaded hole (801) to cooperate with the external thread (1001) of the ground wheel support rod, and the adjustment sleeve (8) The outer wall is a vertical straight tooth (803); the right adjustment gear shaft (5) passes through the bracket (1), and the right adjustment gear shaft bevel gear (503) is arranged on its upper end, and the bottom end is arranged on the same side as the straight tooth (803). ) meshed right adjustment gear shaft spur gear (501), the top of the right adjustment gear shaft (5) is affixed to the adjustment hand wheel (504); the two ends of the bevel gear drive shaft (7) are respectively affixed to a bevel gear, Wherein the right bevel gear (702) meshes with the right adjustment gear shaft bevel gear (503); the structure and installation method of the left adjustment gear shaft (6) of the frame height adjustment device are the same as the right adjustment gear shaft (5); The ditching depth adjusting device is fixedly connected to the rear portion of the frame (1), and is composed of a frame connecting seat (12), a spur gear adjusting device (13) and a rack adjusting rod (14); the rack adjusting rod ( 14) Installed vertically in the frame connecting seat (12), meshing with the spur gear adjusting device (13) through gears; 2 ground wheels (11) are respectively installed on the lower ends of two groups of frame height adjustment devices; the ditch opener (15) is installed on the lower end of the rack adjustment rod (14). 2. A test frame for all-round adjustment of openers according to claim 1, characterized in that, the upper connecting plate (2) is fixed on the short plate by two symmetrical side plates (201) (202) constitutes above, and 2 front suspension plates (3) are arranged obliquely on 2 side plates (201) both sides, constitute " herringbone " shape structure. 3. the test frame of a kind of opener all-round adjustment according to claim 1, is characterized in that, described frame (1) is made of frame front beam (101), frame middle beam (102), machine frame Frame rear beam (103), frame left beam (104), frame right beam (105), left support beam (106) and right support beam (107); described frame front beam (101), frame middle The beam (102) and the frame rear beam (103) are on the same horizontal plane, and the two vertical bearing connecting plates (108) are respectively symmetrically fixed on the left support beam (106) and the right support beam (107) of the frame, 2 frame front beam connecting plates (109) are left and right symmetrical and vertically fixed on the frame front beam (101), and 2 frame middle beam connecting plates (110) are left and right symmetrical and vertically fixed on the frame middle beam ( 102), two left and right symmetrical lower suspension frame connecting plates (115) are affixed to the front end of the frame front beam (101), and two ground wheel pillars (112) are fixed vertically downwards, left and right, respectively, to the frame On the horizontal section of the left beam (104) and the frame right beam (105). 4. A test stand for all-round adjustment of openers according to claim 1, characterized in that an adjustment gear shaft boss (502) is provided in the middle of the right adjustment gear shaft (5). 5. A test frame for all-round adjustment of openers according to claim 1, characterized in that, the cross-section of the straight-toothed adjusting rod (14) is triangular, and a straight-toothed rack (1401) is arranged on the front side thereof , a square pipe (1402) is arranged at the lower end of the rack adjusting rod (14), and is connected with the opener (15) by the square pipe (1402).