Transmission case of rice transplanter

Abstract

The utility model discloses a transmission case of a rice transplanter, which relates to the technical field of transmission cases of rice transplanters and comprises a transmission case body, the transmission case body comprises a speed change gear box and a plant spacing adjusting gear box, and the speed change gear box and the plant spacing adjusting gear box are of an integral structure. A power output shell is arranged on the front side of the speed change gear box and the row spacing adjusting gear box; the output shell is clamped with the groove, and at the moment, a wedging sleeve on the rear side of the output shell is clamped with a wedging groove, so that in the using process, the output shell and the wedging sleeve are correspondingly clamped with the groove and the wedging groove to form two interception structures, and the situation that sewage enters the inner side of the output shell through a gap in the using process is avoided; the whole sealing performance is improved, the service life of the transmission assembly is prolonged, corrosion is avoided, the positioning columns and the positioning holes are installed in a hole alignment mode, then bolts penetrate through the fixing holes to be fixedly connected with the second threaded holes, and installation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of a rice transplanter transmission box, in particular to a rice transplanter transmission box. Background Art

[0002] In order to meet the needs of unit travel transmission, transplanting operation transmission and transplanting spacing adjustment transmission during operation of high-speed rice transplanters, three gear transmission boxes with different structures and operating functions are installed on the existing high-speed rice transplanters, namely, the locomotive travel speed change gear box, the transplanting operation drive gear box and the transplanting spacing adjustment gear.

[0003] During use, since the power output housing is directly connected and fixed with screws, and there is no sealing structure at the connection position, liquid is easy to enter through the gap at the installation position during use, which can easily cause corrosion of the transmission rod and reduce its service life. At the same time, the liquid will carry mud when it flows in, and it is easy to adhere to the surface of the transmission gear after infiltration, causing jamming and other phenomena. The drive gear box also has similar problems, with poor sealing effect, easy water seepage, and troublesome and cumbersome disassembly and assembly. Utility Model Content

[0004] The purpose of the utility model is to provide a transmission box for a rice transplanter, which can solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rice transplanter transmission box, including a transmission box body, the transmission box body including a speed change gear box and a plant spacing adjustment gear box, the speed change gear box and the plant spacing adjustment gear box are an integrated structure, a power output housing is provided on the front side of the speed change gear box and the plant spacing adjustment gear box, a driving gear box is provided on the rear side of the speed change gear box, and a sealing cover is installed on the rear side of the driving gear box by screws, and a mounting plate is fixedly installed on the left side of the speed change gear box.

[0006] Preferably, a groove is provided on the front side of the transmission box body, a fitting groove is provided on the inner side of the groove, the fitting groove is a rectangular structure, and eight No. 1 threaded holes are arranged equidistantly on the inner side of the groove.

[0007] Preferably, a connecting hole is provided on the front side of the power output housing, and there are eight connecting holes in total, which correspond one-to-one to the No. 1 threaded holes respectively. A fitting sleeve is fixedly installed on the rear side of the power output housing, and the size and shape of the fitting sleeve match the fitting groove.

[0008] Preferably, through holes are respectively opened on the left and right sides of the driving gear box, connecting bearings are arranged on the inner sides of the through holes, protective tubes are respectively fixedly installed on the left and right sides of the driving gear box, positioning grooves are respectively opened on the left and right sides of the inner side of the driving gear box, and there are four positioning grooves in total.

[0009] Preferably, fixing columns are fixedly installed at the four corners of the inner side of the driving gear box, a positioning hole is opened at the front end of the fixing column, and a No. 2 threaded hole is opened inside the positioning hole, and a card slot is opened on the rear side of the driving gear box.

[0010] Preferably, a sealing ring is provided on the front side of the sealing cover, and the size and shape of the sealing ring match the card slot. Positioning columns are fixedly installed at the four corners of the front side of the sealing cover, and a fixing hole is opened on the front side of the positioning column, and the size and shape of the positioning column match the positioning hole.

[0011] Preferably, a stabilizing plate is fixedly installed at the left and right ends of the front side of the sealing cover, a stabilizing groove is opened on the front side of the stabilizing plate, and slide grooves are arranged evenly inside the stabilizing grooves, and balls are movably installed inside the slide grooves. A clamping plate is fixedly installed on the side of the stabilizing plate close to the driving gear box, and the size and shape of the clamping plate are matched with the positioning grooves.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model engages the output shell with the groove, and the fitting sleeve at the rear side of the output shell engages with the fitting groove, which is beneficial in that during use, the output shell and the fitting sleeve respectively engage with the groove and the fitting groove to form two interception structures, thereby preventing sewage from entering the inner side of the output shell through the gap during use, improving the overall sealing and the service life of the transmission component, and preventing corrosion.

[0014] The utility model can be installed by aligning the positioning column with the positioning hole, and then a bolt is used to pass through the fixing hole and connect and fix it with the No. 2 threaded hole. The installation is convenient and quick, and the sealing ring is engaged with the slot during the installation process, which is beneficial to improve the sealing between the sealing cover and the driving gear box. At the same time, it is beneficial to protect the connecting rod under the action of the protective tube, and the stabilizing groove is fitted with the outer side of the connecting rod, so as to improve the stability and smoothness of the connecting rod during rotation through the ball bearing, and at the same time, it is beneficial to limit the connecting rod through two stabilizing plates, thereby improving the stability of the overall use process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2It is a front view cross-sectional structural diagram of the transmission box body of the utility model;

[0017] Figure 3 This is a front view structural diagram of the transmission box body of the utility model;

[0018] Figure 4 This is a rear structural schematic diagram of the output housing of the utility model;

[0019] Figure 5 This is a schematic diagram of the front three-dimensional structure of the output shell of the utility model;

[0020] Figure 6 It is a rear cross-sectional structural schematic diagram of the driving gear box of the utility model;

[0021] Figure 7 It is a three-dimensional structural schematic diagram of the sealing cover of the utility model.

[0022] In the figure: 1. transmission box body; 2. speed change gear box; 3. plant spacing adjustment gear box; 4. output housing; 5. driving gear box; 6. sealing cover; 7. mounting plate; 101. groove; 102. fitting groove; 103. No. 1 threaded hole; 401. connecting hole; 402. fitting sleeve; 501. through hole; 502. connecting bearing; 503. protective tube; 504. positioning groove; 5011. fixing column; 5012. positioning hole; 5013. No. 2 threaded hole; 601. sealing ring; 602. positioning column; 603. fixing hole; 6011. stabilizing plate; 6012. stabilizing groove; 6013. slide groove; 6014. card plate. DETAILED DESCRIPTION

[0023] 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 of 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.

[0024] Example 1

[0025] See also Figure 1 The rice transplanter transmission box shown in the figure includes a transmission box body 1, the transmission box body 1 includes a speed change gear box 2 and a plant spacing adjustment gear box 3, the speed change gear box 2 and the plant spacing adjustment gear box 3 are an integrated structure, a power output housing 4 is arranged on the front side of the speed change gear box 2 and the plant spacing adjustment gear box 3, a driving gear box 5 is arranged on the rear side of the speed change gear box 2, and a sealing cover 6 is installed on the rear side of the driving gear box 5 by screws, and a mounting plate 7 is fixedly installed on the left side of the speed change gear box 2.

[0026] See also Figure 2 and Figure 3 In the figure, a groove 101 is provided on the front side of the transmission box body 1, a fitting groove 102 is provided on the inner side of the groove 101, the fitting groove 102 is a rectangular structure, and eight No. 1 threaded holes 103 are arranged equidistantly on the inner side of the groove 101.

[0027] In this embodiment, the groove 101 is used to facilitate positioning and installation of the output shell 4 , and the fitting groove 102 is used to facilitate cooperation with the fitting sleeve 402 to form a second water retaining structure after the output shell 4 is installed, thereby improving the sealing performance of the output shell 4 .

[0028] Working principle: During installation, the output shell 4 is engaged with the groove 101. At this time, the fitting sleeve 402 on the rear side of the output shell 4 is engaged with the fitting groove 102, which is beneficial to form two interception structures through the output shell 4 and the fitting sleeve 402 respectively engaging with the groove 101 and the fitting groove 102 during use, thereby preventing sewage from entering the inner side of the output shell 4 through the gap during use, improving the overall sealing and service life of the transmission component, and avoiding corrosion. Subsequently, bolts are used to pass through the connecting hole 401 and the No. 1 threaded hole 103 for connection and fixing, and when installing the sealing cover 6, the positioning column 602 is It is installed in alignment with the positioning hole 5012, and then bolts are used to pass through the fixing hole 603 and connect and fix with the No. 2 threaded hole 5013. The installation is convenient and quick, and during the installation process, the sealing ring 601 is engaged with the card slot, which is beneficial to improve the sealing between the sealing cover 6 and the driving gear box 5. At the same time, under the action of the protective tube 503, it is beneficial to protect the connecting rod, and the stabilizing groove 6012 is fitted with the outside of the connecting rod, so as to improve the stability and smoothness of the rotation of the connecting rod through the ball bearing, and at the same time, it is beneficial to limit the connecting rod through the two stabilizing plates 6011, thereby improving the stability of the overall use process.

[0029] Example 2

[0030] See also Figure 4 and Figure 5 This embodiment further explains Example 1. In the figure, a connecting hole 401 is provided on the front side of the power output housing 4, and there are eight connecting holes 401 in total, which correspond to the No. 1 threaded holes 103 one by one. A fitting sleeve 402 is fixedly installed on the rear side of the power output housing 4, and the size and shape of the fitting sleeve 402 match the fitting groove 102.

[0031] In this embodiment, the fitting sleeve 402 on the rear side of the output shell 4 is engaged with the fitting groove 102, which is beneficial in that during use, the output shell 4 and the fitting sleeve 402 are respectively engaged with the groove 101 and the fitting groove 102 to form two interception structures, thereby preventing sewage from entering the inner side of the output shell 4 through the gap during use, thereby improving the overall sealing performance and the service life of the transmission component.

[0032] See also Figure 6 In the figure, through holes 501 are respectively opened on the left and right sides of the driving gear box 5, and connecting bearings 502 are arranged on the inner side of the through holes 501. Protective tubes 503 are respectively fixedly installed on the left and right sides of the driving gear box 5. Positioning grooves 504 are respectively opened on the left and right sides of the inner side of the driving gear box 5, and there are four positioning grooves 504 in total.

[0033] In this embodiment: the positioning groove 504 is helpful for locking and limiting the clamping plate 6014, and at the same time, the protection tube 503 is helpful for protecting the connecting rod, thereby increasing the service life of the connecting rod and reducing the sewage penetration rate.

[0034] See also Figure 6 In the figure, the four corners of the inner side of the driving gear box 5 are respectively fixedly installed with fixing columns 5011, the front end of the fixing column 5011 is provided with a positioning hole 5012, and the inner side of the positioning hole 5012 is provided with a second threaded hole 5013, and the rear side of the driving gear box 5 is provided with a card slot.

[0035] In this embodiment: the positioning hole 5012 facilitates the engagement of the positioning column 602 with the positioning hole 5012 when installing the sealing cover 6, thereby facilitating positioning and installation, and the No. 2 threaded hole 5013 facilitates connection and fixing by bolts.

[0036] See also Figure 7 In the figure, a sealing ring 601 is arranged on the front side of the sealing cover 6, and the size and shape of the sealing ring 601 match the card slot. Positioning columns 602 are fixedly installed at the four corners of the front side of the sealing cover 6, and a fixing hole 603 is opened on the front side of the positioning column 602. The size and shape of the positioning column 602 match the positioning hole 5012.

[0037] In this embodiment: the fixing hole 603 facilitates the insertion of bolts during fixing, and the sealing ring 601 helps to improve the sealing performance of the connection between the sealing cover 6 and the driving gear box 5, thereby preventing sewage from seeping in.

[0038] See also Figure 6 and Figure 7In the figure, stabilizing plates 6011 are fixedly installed on the left and right ends of the front side of the sealing cover 6, a stabilizing groove 6012 is provided on the front side of the stabilizing plate 6011, and sliding grooves 6013 are arranged evenly inside the stabilizing groove 6012. Ball bearings are movably installed inside the sliding groove 6013. A clamping plate 6014 is fixedly installed on the side of the stabilizing plate 6011 close to the driving gear box 5, and the size and shape of the clamping plate 6014 match the positioning groove 504.

[0039] In this embodiment: the stabilizing groove 6012 is fitted with the outer side of the connecting rod, which is beneficial for improving the stability and smoothness of the connecting rod during rotation through the ball bearing, and is also beneficial for limiting the connecting rod through the two stabilizing plates 6011, thereby improving the stability of the entire use process.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rice transplanter transmission box, comprising a transmission box body (1), characterized in that: The transmission box body (1) comprises a speed change gear box (2) and a plant spacing adjustment gear box (3); the speed change gear box (2) and the plant spacing adjustment gear box (3) are an integrated structure; a power output housing (4) is arranged on the front side of the speed change gear box (2) and the plant spacing adjustment gear box (3); a driving gear box (5) is arranged on the rear side of the speed change gear box (2); a sealing cover (6) is installed on the rear side of the driving gear box (5) by screws; and a mounting plate (7) is fixedly installed on the left side of the speed change gear box (2).

2. The rice transplanter transmission box according to claim 1, characterized in that: A groove (101) is provided on the front side of the transmission box body (1), a fitting groove (102) is provided on the inner side of the groove (101), the fitting groove (102) is a rectangular structure, and eight No. 1 threaded holes (103) are arranged at equal distances on the inner side of the groove (101).

3. The rice transplanter transmission box according to claim 2, characterized in that: The front side of the power output housing (4) is provided with a connection hole (401), and there are eight connection holes (401) in total, which correspond to the No. 1 threaded holes (103) one by one. The rear side of the power output housing (4) is fixedly installed with a fitting sleeve (402), and the size and shape of the fitting sleeve (402) match the fitting groove (102).

4. The rice transplanter transmission box according to claim 1, characterized in that: The left and right sides of the driving gear box (5) are respectively provided with through holes (501), the inner sides of the through holes (501) are provided with connecting bearings (502), the left and right sides of the driving gear box (5) are respectively fixedly installed with protective tubes (503), the left and right sides of the inner side of the driving gear box (5) are respectively provided with positioning grooves (504), and there are four positioning grooves (504) in total.

5. The rice transplanter transmission box according to claim 1, characterized in that: Fixed columns (5011) are respectively fixedly installed at the four corners of the inner side of the driving gear box (5), a positioning hole (5012) is provided at the front end of the fixing column (5011), and a No. 2 threaded hole (5013) is provided inside the positioning hole (5012), and a card slot is provided on the rear side of the driving gear box (5).

6. The rice transplanter transmission box according to claim 5, characterized in that: A sealing ring (601) is arranged on the front side of the sealing cover (6), and the size and shape of the sealing ring (601) match the card slot. Positioning columns (602) are fixedly installed at the four corners of the front side of the sealing cover (6), and a fixing hole (603) is opened on the front side of the positioning column (602). The size and shape of the positioning column (602) match the positioning hole (5012).

7. The rice transplanter transmission box according to claim 4, characterized in that: The left and right ends of the front side of the sealing cover (6) are respectively fixedly mounted with stabilizing plates (6011); the front side of the stabilizing plate (6011) is provided with stabilizing grooves (6012); the inner side of the stabilizing grooves (6012) is provided with sliding grooves (6013) arranged at equal intervals; the inner side of the sliding grooves (6013) is provided with movably mounted balls; a clamping plate (6014) is fixedly mounted on the side of the stabilizing plate (6011) close to the driving gear box (5); the size and shape of the clamping plate (6014) are respectively matched with the positioning grooves (504).

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