Transmission device of rotary cutting beveling machine

Abstract

The utility model discloses a transmission device of a rotary cutting beveling machine, which comprises a transmission base, an upper end gland is clamped on the outer side of the top end of the transmission base, an end cover transmission shaft is arranged in the middle of the top end of the upper end gland, a placement groove is formed in the middle of the transmission base, and a first mounting hole is formed in the middle of the inner side of the placement groove. According to the transmission device of the rotary cutting beveling machine, the transmission gear and the transmission base are connected into a whole through the gear shaft and the two first rolling bearings, the transmission gear and the upper end gland are connected into a whole through the end cover transmission shaft and the second rolling bearing, and therefore a bridge type transmission structure is formed. Due to the design of the bridge structure, the transmission device can bear increased radial force and increased axial force at the same time, the technical problem that the end face jumps in the cutting process of the large-pipe-diameter thick-wall pipe can be solved, then high-speed stable cutting is achieved, and the high-quality requirement for end face machining is met.

Description

Technical Field

[0001] The utility model relates to the field of rotary cutting and beveling machines, in particular to a rotary cutting and beveling machine transmission device. Background Art

[0002] With the increasing demand for pipeline installation and maintenance in various fields, higher requirements are placed on the on-site cutting construction of pipelines, especially for pre-buried pipelines, pipeline corridors, and narrow spaces between pipelines, but the quality requirements for the cutting end faces are very high. Traditional transmission devices are designed as cantilever structures, which are large in size and cannot be installed in small spaces. In addition, the cantilever structure has a large amount of runout during the cutting process and cannot meet the high requirements for the cutting end faces.

[0003] In order to solve the above problems, a rotary cutting and beveling machine transmission device is proposed. Utility Model Content

[0004] The utility model aims to provide a rotary cutting and beveling machine transmission device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary cutting and beveling machine transmission device, comprising a transmission base, an upper end pressure cover is clamped on the outer side of the top of the transmission base, an end cover transmission shaft is arranged in the middle of the top of the upper end pressure cover, a placement groove is opened in the middle of the transmission base, a first mounting hole is opened in the middle of the inner side of the placement groove, two first rolling bearings are fixedly arranged inside the first mounting hole, a gear shaft is arranged in the middle between the two first rolling bearings, a transmission gear is fixedly arranged on the top of the gear shaft, the gear shaft and the transmission gear are an integrated structure, a second mounting hole is opened in the middle of the top of the transmission gear, a second rolling bearing is fixedly arranged inside the second mounting hole, and the second rolling bearing is arranged corresponding to the end cover transmission shaft.

[0006] The transmission device is connected to the transmission base as a whole through the transmission gear via the gear shaft and two first rolling bearings, and is connected to the upper end pressure cover as a whole through the end cover transmission shaft and the second rolling bearing, thereby forming a bridge-type transmission structure. The design of the bridge structure enables the transmission device to withstand both increased radial force and increased axial force at the same time, and can solve the technical problem of end face runout during the cutting of large-diameter thick-walled pipes, thereby achieving high-speed and stable cutting and meeting the high-quality requirements of end face processing. In addition, the transmission device has an ingenious structural design, a small size, a light weight, and flexible movement. The various parts are detachably connected, which is convenient for assembly and disassembly and transportation, and has a wide range of uses.

[0007] Preferably, a mounting cavity is provided inside the upper end pressure cover, and a through slot is provided on the front side of the upper end pressure cover. The through slot is arranged corresponding to the transmission gear, and the arrangement of the through slot facilitates the normal operation of the transmission gear.

[0008] Preferably, a hexagonal hole is provided at the top end of the end cover transmission shaft, and the provision of the hexagonal hole facilitates the disassembly and installation of the end cover transmission shaft.

[0009] Preferably, an internal spline hole is provided at the bottom end of the gear shaft, and the provision of the internal spline hole facilitates quick clamping and fixing of the power equipment and the gear shaft.

[0010] Preferably, a U-shaped positioning block is fixedly provided at the connection between the transmission base and the upper end pressure cover, and an annular positioning groove is opened at the connection between the upper end pressure cover and the transmission base, and the annular positioning groove is engaged with the U-shaped positioning block. The transmission base and the upper end pressure cover are easily connected quickly through the limiting engagement of the annular positioning groove and the U-shaped positioning block.

[0011] Preferably, positioning holes are provided at the four corners of the bottom end of the upper pressure cover, and positioning pins are provided inside the four positioning holes, and the four positioning pins are fixedly connected to the transmission base. The four positioning pins are respectively matched with the four positioning holes, so that the transmission base and the upper pressure cover can be quickly positioned and installed.

[0012] Preferably, one side of the four positioning pin shafts is provided with a seating hole, the inside of the four seating holes is fixedly provided with a limiting spring sheet, the inner side of the four positioning holes is provided with a limiting groove, the four limiting spring sheets are respectively engaged with the four limiting grooves, and the four positioning pin shafts can be limited by the four limiting spring sheets being respectively engaged with the four limiting grooves, thereby facilitating the fixing of the upper end pressure cover on the transmission base.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the transmission device is connected to the transmission base as a whole through the transmission gear via the gear shaft and the two first rolling bearings, and is connected to the upper end pressure cover as a whole through the end cover transmission shaft and the second rolling bearing, thereby forming a bridge-type transmission structure. The design of the bridge structure enables the transmission device to withstand both increased radial force and increased axial force at the same time, and can solve the technical problem of end face runout during the cutting of large-diameter thick-walled pipes, thereby achieving high-speed and stable cutting, and meeting the high-quality requirements of end face processing. In addition, the transmission device has an ingenious structural design, a small size, a light weight, and flexible movement, and each part can be detachably connected, which is convenient for assembly and disassembly and transportation, and has a wide range of uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a side sectional view of the utility model;

[0016] Figure 3 This is a connection diagram of the transmission base and the upper end gland of the utility model;

[0017] Figure 4 It is an enlarged view of part A of the utility model.

[0018] In the figure: 1. transmission base; 2. upper end pressure cover; 3. mounting groove; 4. first mounting hole; 5. first rolling bearing; 6. gear shaft; 7. inner spline hole; 8. transmission gear; 9. second mounting hole; 10. second rolling bearing; 11. end cover transmission shaft; 12. inner hexagon hole; 13. mounting cavity; 14. through groove; 15. annular positioning groove; 16. U-shaped positioning block; 17. positioning hole; 18. positioning pin shaft; 19. mounting hole; 20. limiting spring piece; 21. limiting groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] See also Figure 1-4 The utility model provides a rotary cutting and beveling machine transmission device, including a transmission base 1, an upper end pressure cover 2 is clamped on the outer side of the top of the transmission base 1, an end cover transmission shaft 11 is arranged in the middle of the top of the upper end pressure cover 2, a placement groove 3 is opened in the middle of the transmission base 1, a first mounting hole 4 is opened in the middle of the inner side of the placement groove 3, two first rolling bearings 5 ​​are fixedly arranged inside the first mounting hole 4, a gear shaft 6 is arranged in the middle between the two first rolling bearings 5, a transmission gear 8 is fixedly arranged on the top of the gear shaft 6, the gear shaft 6 and the transmission gear 8 are an integrated structure, a second mounting hole 9 is opened in the middle of the top of the transmission gear 8, a second rolling bearing 10 is fixedly arranged inside the second mounting hole 9, and the second rolling bearing 10 and The end cover transmission shaft 11 is arranged accordingly, and the transmission device is connected to the transmission base 1 as a whole through the transmission gear 8 via the gear shaft 6 and the two first rolling bearings 5, and is connected to the upper end pressure cover 2 as a whole through the end cover transmission shaft 11 and the second rolling bearing 10, thereby forming a bridge-type transmission structure. The design of the bridge structure enables the transmission device to withstand both increased radial force and increased axial force at the same time, and can solve the technical problem of end face runout during the cutting of large-diameter thick-walled pipes, thereby achieving high-speed and stable cutting, and meeting the high-quality requirements of end face processing. In addition, the transmission device has a clever structural design, small size, light weight, flexible movement, and detachable connection of various parts, which is convenient for assembly and disassembly and transportation, and has a wide range of uses.

[0021] An installation cavity 13 is provided inside the upper end gland 2, a through slot 14 is provided on the front of the upper end gland 2, and the through slot 14 is provided corresponding to the transmission gear 8. A hexagonal hole 12 is provided at the top of the end cover transmission shaft 11, and an inner spline hole 7 is provided at the bottom of the gear shaft 6.

[0022] When in use, the setting of the through groove 14 facilitates the normal operation of the transmission gear 8, the setting of the hexagonal hole 12 facilitates the disassembly and installation of the end cover transmission shaft 11, and the setting of the internal spline hole 7 facilitates the rapid clamping and fixing of the power equipment and the gear shaft 6; a U-shaped positioning block 16 is fixedly arranged at the connection between the transmission base 1 and the upper end pressure cover 2, and an annular positioning groove 15 is provided at the connection between the upper end pressure cover 2 and the transmission base 1, and the annular positioning groove 15 is engaged with the U-shaped positioning block 16, and the four corners of the bottom end of the upper end pressure cover 2 are provided with positioning holes 17, and the insides of the four positioning holes 17 are all engaged with positioning pins 18, and the four positioning pins 18 are fixedly connected to the transmission base 1, and one side of the four positioning pins 18 is provided with a placement hole 19, and the insides of the four placement holes 19 are fixedly provided with a limiting spring piece 20, and the inner sides of the four positioning holes 17 are provided with limiting grooves 21, and the four limiting spring pieces 20 are respectively engaged with the four limiting grooves 21;

[0023] When in use, the transmission base 1 and the upper end pressure cover 2 can be quickly connected through the limiting engagement of the annular positioning groove 15 and the U-shaped positioning block 16, and the transmission base 1 and the upper end pressure cover 2 can be quickly positioned and installed through the four positioning pins 18 and the four positioning holes 17 respectively. The four limiting spring sheets 20 can be respectively engaged with the four limiting grooves 21 to limit the four positioning pins 18, thereby facilitating the fixing of the upper end pressure cover 2 on the transmission base 1.

[0024] When the embodiment of the present application is in use: first, the two first rolling bearings 5 ​​are installed in the first mounting holes 4 of the transmission base 1, and then the end cover transmission shaft 11 is fixed in the second rolling bearing 10, and then the second rolling bearing 10 is fixed in the second mounting hole 9 on the transmission gear 8. The transmission base 1 and the upper end pressure cover 2 are conveniently positioned and installed quickly through the limiting engagement of the annular positioning groove 15 and the U-shaped positioning block 16 and the limiting engagement of the four positioning pins 18 with the four positioning holes 17 respectively. The four limiting spring sheets 20 are conveniently limited by the limiting engagement of the four limiting grooves 21, and then the upper end pressure cover 2 is conveniently fixed on the transmission base 1. During use, the transmission The driving device is connected to the driving base 1 as a whole through the transmission gear 8, the gear shaft 6 and the two first rolling bearings 5, and is connected to the upper end pressure cover 2 as a whole through the end cover transmission shaft 11 and the second rolling bearing 10, thereby forming a bridge-type transmission structure. The design of the bridge structure enables the transmission device to withstand both increased radial force and increased axial force at the same time, and can solve the technical problem of end face runout during the cutting of large-diameter thick-walled pipes, thereby achieving high-speed and stable cutting, and meeting the high-quality requirements of end face processing. In addition, the transmission device has a clever structural design, small size, light weight, flexible movement, and detachable connection of various parts, which is convenient for assembly and disassembly and transportation, and has a wide range of uses.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rotary cutting and beveling machine transmission device, comprising a transmission base (1), characterized in that: An upper end pressure cover (2) is provided on the outer side of the top end of the transmission base (1), and an end cover transmission shaft (11) is provided in the middle of the top end of the upper end pressure cover (2). A placement groove (3) is provided in the middle of the transmission base (1), and a first mounting hole (4) is provided in the middle of the inner side of the placement groove (3). Two first rolling bearings (5) are fixedly provided inside the first mounting hole (4), and a gear shaft (6) is provided in the middle between the two first rolling bearings (5). A transmission gear (8) is fixedly provided at the top end of the gear shaft (6), and the gear shaft (6) and the transmission gear (8) are an integrated structure. A second mounting hole (9) is provided in the middle of the top end of the transmission gear (8), and a second rolling bearing (10) is fixedly provided inside the second mounting hole (9), and the second rolling bearing (10) is provided corresponding to the end cover transmission shaft (11).

2. A rotary cutting and beveling machine transmission device according to claim 1, characterized in that: An installation cavity (13) is provided inside the upper end pressure cover (2), and a through slot (14) is provided on the front side of the upper end pressure cover (2), wherein the through slot (14) is arranged corresponding to the transmission gear (8).

3. A rotary cutting and beveling machine transmission device according to claim 1, characterized in that: A hexagonal hole (12) is formed at the top end of the end cover transmission shaft (11).

4. A rotary cutting and beveling machine transmission device according to claim 1, characterized in that: An inner spline hole (7) is formed at the bottom end of the gear shaft (6).

5. The rotary cutting and beveling machine transmission device according to claim 1, characterized in that: A U-shaped positioning block (16) is fixedly provided at the connection between the transmission base (1) and the upper end pressure cover (2), and an annular positioning groove (15) is provided at the connection between the upper end pressure cover (2) and the transmission base (1), and the annular positioning groove (15) is snap-fitted and connected with the U-shaped positioning block (16).

6. A rotary cutting and beveling machine transmission device according to claim 1, characterized in that: The four corners at the bottom of the upper end pressure cover (2) are each provided with a positioning hole (17), the interiors of the four positioning holes (17) are each provided with a positioning pin shaft (18) which is engaged therewith, and the four positioning pin shafts (18) are each fixedly connected to the transmission base (1).

7. A rotary cutting and beveling machine transmission device according to claim 6, characterized in that: One side of the four positioning pin shafts (18) is provided with a placement hole (19), the inside of the four placement holes (19) is fixedly provided with a limiting spring piece (20), the inner side of the four positioning holes (17) is provided with a limiting groove (21), and the four limiting spring pieces (20) are respectively engaged and connected with the four limiting grooves (21).

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