Auxiliary bed body driving device for grid structure laying machine

Abstract

The utility model discloses an auxiliary lathe bed driving device for a grid structure laying machine, which comprises a motor, the lower end of the motor is arranged on a speed reducer, one side of the speed reducer is arranged on a transmission support, the output end of the speed reducer is provided with an output shaft, the tail end of the output shaft is provided with a bevel gear, the outer side of an auxiliary lathe bed is provided with a rack, and the bevel gear is meshed with the rack. According to the utility model, the problem of backlash between the gear and the rack is solved, and the running precision of the whole stroke is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of grid structure laying machines, in particular to a sub-bed driving device for a grid structure laying machine. Background Art

[0002] Fiber-reinforced grid structures were first used in interstages, fairings, connectors, load-bearing cylinders, etc. of launch vehicles. The laying machine is used to automatically lay out and form the grid ribs of rotating grid components. The laying machine can lay a variety of materials, such as auxiliary materials. The auxiliary bed of the laying machine needs to be moved, and the current driving device uses a motor to drive the lead screw, and the lead screw drives the lead screw nut. However, since the length of the auxiliary bed is generally 7 meters, the length is too long, so the requirements for the lead screw are very high, the lead screw drive is easy to bend and the linear accuracy cannot be guaranteed. Utility Model Content

[0003] The utility model discloses a sub-bed driving device for a grid structure laying machine, which solves the problem that a lead screw is easy to bend due to the sub-bed being too long.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] The utility model discloses a sub-bed driving device for a grid structure laying machine, comprising a motor, the lower end of the motor is mounted on a reducer, one side of the reducer is mounted on a transmission support, an output shaft is mounted on the output end of the reducer, a helical gear is mounted on the end of the output shaft, a rack is arranged on the outer side of the sub-bed, the helical gear and the rack are meshed, and the teeth on the rack are helical teeth.

[0006] Furthermore, the transmission support includes a mounting support and a side support, the mounting support is installed on one side of the side support, the reducer is installed on the mounting support, the mounting support is provided with a vertical through groove, and the edge of the through groove is provided with a mounting hole.

[0007] Furthermore, the mounting support includes a top plate, a bottom plate, enclosure 1, enclosure 2, enclosure 3 and enclosure 4, enclosure 2 and enclosure 4 connect enclosure 1 and enclosure 3, the top plate is installed on the top of enclosure 1, enclosure 2, enclosure 3 and enclosure 4, the bottom plate is installed on the bottom of enclosure 1, enclosure 2, enclosure 3 and enclosure 4, the bevel gear is located in the space enclosed by enclosure 1, enclosure 2, enclosure 3 and enclosure 4, grooves are provided on all four sides of the enclosure, and one side of the bevel gear is located outside the groove.

[0008] Furthermore, the enclosure panel 1 is connected to the side bracket.

[0009] Furthermore, the side bracket is provided with two rows of vertically arranged side bracket mounting holes.

[0010] Furthermore, bearing 1 and bearing 2 are installed on the output shaft, the bevel gear is located between bearing 1 and bearing 2, bearing 2 is located at the lower end, and bearing 1 and bearing 2 are both located in the mounting support.

[0011] The beneficial effects of the utility model are:

[0012] The utility model eliminates the traditional screw drive and designs a gear rack drive instead. The gear is a helical gear. The designed helical rack is installed on the auxiliary bed body. The use of the helical gear and the helical rack can avoid the problem of easy completion caused by the use of a long screw and can achieve clearance elimination. The whole driving device has a long service life and is simple and convenient to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0014] Figure 1 It is a schematic diagram of an embodiment of the utility model.

[0015] Figure 2 It is a left view of an embodiment of the utility model.

[0016] Figure 3 It is a partial schematic diagram of an embodiment of the utility model.

[0017] Figure 4 This is a front view of an embodiment of the utility model.

[0018] Figure 5 for Figure 4 Middle AA section view.

[0019] Figure 6 It is a top view of an embodiment of the utility model. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0021] As shown in the figure, the utility model discloses a sub-bed driving device for a grid structure laying machine, including a motor 1, the lower end of the motor 1 is installed on a reducer 2, one side of the reducer 2 is installed on a transmission support 3, an output shaft 4 is installed at the output end of the reducer 2, a bevel gear 5 is installed at the end of the output shaft 4, a rack 7 is provided on the outer side of the sub-bed 6, the bevel gear 5 is meshed with the rack 7, and the teeth on the rack 7 are bevel teeth.

[0022] The utility model eliminates the traditional screw drive and designs a gear rack drive instead. The gear is a helical gear. The designed helical rack is installed on the auxiliary bed body. The use of the helical gear and the helical rack can avoid the problem of easy completion caused by the use of a long screw and can achieve clearance elimination. The whole driving device has a long service life and is simple and convenient to maintain.

[0023] The utility model adopts helical gears instead of straight gears mainly to solve the problem of backlash between the gear and the rack and ensure the running accuracy of the whole stroke.

[0024] In one embodiment of the utility model, the transmission support 3 includes a mounting support 8 and a side support 9, the mounting support 8 is mounted on one side of the side support 9, the reducer 2 is mounted on the mounting support 8, the mounting support 8 is provided with a vertical through slot 81, and the edge of the through slot is provided with a mounting hole 82. The utility model designs a transmission support, the reducer 2 is mounted on the mounting support 8 of the transmission support 3, and the side support 9 is used to fix the entire transmission support 3.

[0025] In an embodiment of the utility model, the mounting support 8 includes a top plate 10, a bottom plate 11, a first enclosure 12, a second enclosure 13, a third enclosure 14 and a fourth enclosure 15, the second enclosure 13 and the fourth enclosure 15 connect the first enclosure 12 and the third enclosure 14, the top plate 10 is installed on the top of the first enclosure 12, the second enclosure 13 and the third enclosure 14, the second enclosure 13 and the fourth enclosure 15, the bottom plate 11 is installed on the bottom of the first enclosure 12, the second enclosure 13 and the third enclosure 14, the second enclosure 13 and the fourth enclosure 15, the bevel gear 5 is located in the space surrounded by the first enclosure 12, the second enclosure 13 and the third enclosure 14, the second enclosure 13 and the fourth enclosure 15, the fourth enclosure 15 is provided with a groove H, and one side of the bevel gear 5 is located outside the groove H. The first enclosure 12, the second enclosure 13, the third enclosure 14 and the fourth enclosure 15 play a role in protecting the bevel gear 5.

[0026] In an embodiment of the present invention, the enclosure 12 is connected to the side bracket 9. The side bracket 9 is fixed on other brackets or pillars.

[0027] In an embodiment of the present invention, two rows of vertically arranged side bracket mounting holes 91 are provided on the side bracket 9 .

[0028] In an embodiment of the utility model, bearing 16 and bearing 2 17 are installed on the output shaft 4, the bevel gear 5 is located between bearing 16 and bearing 2 17, bearing 2 17 is located at the lower end, and bearing 16 and bearing 2 17 are both located in the mounting support 8. Bearing 1 16 and bearing 2 17 play a role in supporting the bevel gear 5, ensuring that the bevel gear 5 does not deviate in the vertical direction and that the bevel gear 5 is meshed with the rack.

[0029] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sub-bed driving device for a grid structure laying machine, characterized in that: It includes a motor, the lower end of the motor is installed on a reducer, one side of the reducer is installed on a transmission support, an output shaft is installed at the output end of the reducer, a helical gear is installed at the end of the output shaft, a rack is provided on the outer side of the auxiliary bed, the helical gear and the rack are meshed, and the teeth on the rack are helical teeth.

2. The auxiliary bed driving device for a grid structure laying machine according to claim 1, characterized in that: The transmission support comprises a mounting support and a side support, the mounting support is mounted on one side of the side support, the reducer is mounted on the mounting support, the mounting support is provided with a vertical through slot, and the edge of the through slot is provided with a mounting hole.

3. The auxiliary bed driving device for a grid structure laying machine according to claim 2, characterized in that: The mounting support includes a top plate, a bottom plate, enclosure one, enclosure two, enclosure three and enclosure four. Enclosure two and enclosure four connect enclosure one and enclosure three. The top plate is installed on the top of enclosure one, enclosure two, enclosure three and enclosure four. The bottom plate is installed on the bottom of enclosure one, enclosure two, enclosure three and enclosure four. The bevel gear is located in the space enclosed by enclosure one, enclosure two, enclosure three and enclosure four. Grooves are provided on all four sides of the enclosure, and one side of the bevel gear is located outside the groove.

4. The auxiliary bed driving device for a grid structure laying machine according to claim 2, characterized in that: The enclosure plate 1 is connected with the side bracket.

5. The auxiliary bed driving device for a grid structure laying machine according to claim 2, characterized in that: The side bracket is provided with 2 rows of vertically arranged side bracket mounting holes.

6. The auxiliary bed driving device for a grid structure laying machine according to claim 3, characterized in that: The output shaft is provided with a first bearing and a second bearing, the bevel gear is located between the first bearing and the second bearing, the second bearing is located at the lower end, and the first bearing and the second bearing are both located in the mounting support.

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