Double-shaft driving device for grid structure laying machine

Abstract

The utility model discloses a double-shaft driving device for a grid structure laying machine, which comprises a box body, a horizontally arranged main shaft is arranged at the center of the box body, a large gear set is arranged on the main shaft, two symmetrical main shaft driving shafts are arranged above the box body, gears are arranged on the main shaft driving shafts, and the gears are meshed with the large gear set. The tail end of the main shaft driving shaft is connected with the speed reducer, the speed reducer is connected with the motor, the top of the box body is of an opening structure, the box cover is installed on the top of the box body, and the two ends of the main shaft driving shaft and the two ends of the main shaft are connected with the box body through bearings.

Description

Technical Field

[0001] The utility model relates to the technical field of grid structure laying machines, in particular to a double-axis 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. During laying, the drive shaft needs to be rotated to achieve laying. Due to the large size of the grid machine and the diameter of the drive shaft is greater than 1 meter, the traditional driving method causes a gap with the drive shaft, resulting in noise, high vibration and other problems, which ultimately affects the laying. Utility Model Content

[0003] The utility model discloses a double-shaft driving device for a grid structure laying machine, which eliminates gear clearance, increases the tension of a motor and reduces the influence of vibration during laying.

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

[0005] The utility model discloses a dual-axis driving device for a grid structure laying machine, comprising a box body, a horizontally arranged main shaft is installed at the center of the box body, a large gear set is installed on the main shaft, two symmetrical main shaft driving shafts are arranged above the box body, gears are installed on the main shaft driving shafts, the gears are meshed with the large gear set, the ends of the main shaft driving shafts are connected with a reducer, the reducer is connected with a motor, the top of the box body is an open structure, a box cover is installed on the top of the box body, and both ends of the main shaft driving shaft and the main shaft are connected to the box body through bearings.

[0006] Furthermore, the box body includes a front plate, a rear plate, a bottom plate and two side plates, the bottom plate connects the bottoms of the front plate and the rear plate, the two side plates connect the front plate and the rear plate, the front plate and the rear plate are both provided with a main shaft through hole, the main shaft is connected to the front plate and the rear plate through bearings, a front flange is provided on the outer side of the front plate, the main shaft passes through the front flange, and the front flange is connected to the front plate by a number of bolts.

[0007] Furthermore, a groove is provided in the middle of the rear end of the spindle, a spindle rear end cover is installed at the rear end of the spindle, a spindle rear cover is installed on the rear side of the rear plate, the spindle rear cover is located directly behind the spindle rear end cover, an encoder is installed in the middle of the spindle rear cover, and the encoder is facing the spindle rear end cover.

[0008] Furthermore, the encoder is installed on the rear cover of the spindle through an encoder mounting block, and the encoder mainly detects the accuracy of the spindle circular division and the change of the spindle speed.

[0009] Furthermore, two horizontal plates are provided on the inner side of the front plate, and vertical plates are installed on the horizontal plates. One end of the main shaft driving shaft is installed on the vertical plate through a bearing, and the other end of the main shaft driving shaft is installed on the rear plate through a bearing.

[0010] Furthermore, a tapered groove is provided at the front end of the spindle, the tapered groove is communicated with the groove, a mounting groove is provided on the outer side of the front end of the spindle, and a chuck transition mounting plate is installed at the mounting groove of the spindle.

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

[0012] The utility model utilizes two gears to drive the large gear set, thereby achieving the purpose of eliminating the gap, increasing the motor tension, reducing noise and vibration, and solving the noise and vibration problems caused by the increase of the gear gap generated by a single unit drive when the diameter of the large gear set exceeds 1 meter. 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 This is a front view 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 top view of an embodiment of the utility model.

[0017] Figure 4 for Figure 2 Middle AA section view. DETAILED DESCRIPTION

[0018] 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.

[0019] As shown in the figure, the utility model discloses a dual-axis drive device for a grid structure laying machine, including a box body 1, a horizontally arranged main shaft 2 is installed at the center of the box body 1, a large gear set 3 is installed on the main shaft 2, two symmetrical main shaft drive shafts 4 are arranged above the box body 1, gears 5 are installed on the main shaft drive shafts 4, the gears 5 are meshed with the large gear set 3, the ends of the main shaft drive shafts 4 are connected to the reducer 6, the reducer 6 is connected to the motor 7, the top of the box body 1 is an open structure, the top of the box body 1 is installed with a box cover 8, and both ends of the main shaft drive shaft 4 and the main shaft 2 are connected to the box body 1 through bearings 9. The utility model drives two main shaft drive shafts 4 through two motors 7, and the main shaft drive shafts 4 drive the gears 5 to rotate, and the gears 5 drive the large gear set 3 to rotate. The large gear set 3 here is because the diameter needs to be greater than 1 meter, so the large gear set is adopted. The diameter of a traditional single gear is difficult to reach 1 meter. Here, an annular plate is added to the outer ring of the circular plate, and teeth are arranged on the outer side of the annular plate. It will not be introduced in detail here. The purpose of the large gear set 3 is to replace large-sized gears, improve service life, and make it easy to replace parts. The utility model uses two gears 5 to drive the large gear set 3, achieves the purpose of eliminating gaps, increases motor tension, and reduces noise and vibration.

[0020] In one embodiment of the utility model, the box body 1 includes a front plate 10, a rear plate 11, a bottom plate 12 and two side plates 13, the bottom plate 12 connects the bottoms of the front plate 10 and the rear plate 11, the two side plates 13 connect the front plate 10 and the rear plate 11, the front plate 10 and the rear plate 11 are both provided with a spindle through hole 14, the spindle 2 is connected to the front plate 10 and the rear plate 11 through a bearing 9, the outer side of the front plate 10 is provided with a front flange 15, the spindle 2 passes through the front flange 15, and the front flange 15 is connected to the front plate 10 by a plurality of bolts 16. The front flange 15 is used to fix the front end of the spindle 2.

[0021] In one embodiment of the utility model, a groove 201 is provided in the middle of the rear end of the spindle 2, a spindle rear end cover 17 is installed at the rear end of the spindle 2, a spindle rear cover 18 is installed on the rear side of the rear plate 11, the spindle rear cover 18 is located directly behind the spindle rear end cover 17, an encoder 19 is installed in the middle of the spindle rear cover 18, and the encoder 19 is directly opposite to the spindle rear end cover 17. The encoder 19 is used to measure the rotation speed of the spindle 2.

[0022] In one embodiment of the present invention, the encoder 19 is mounted on the spindle rear cover 18 via the encoder mounting block 20. The encoder mainly detects the accuracy of the spindle circumferential division and the change of the spindle speed.

[0023] In one embodiment of the utility model, two horizontal plates 21 are provided inside the front plate 10, and a vertical plate 22 is installed on the horizontal plate 21. One end of the main shaft drive shaft 4 is installed on the vertical plate 22 through a bearing, and the other end of the main shaft drive shaft 4 is installed on the rear plate 11 through a bearing. The box body of the utility model is a casting, and the material is gray cast iron. Castings are easy to produce.

[0024] In one embodiment of the utility model, the front end of the spindle 2 is provided with a tapered groove 202, which is connected to the groove 201. The front end of the spindle 2 is provided with a mounting groove, and the chuck transition mounting plate 23 is installed at the mounting groove of the spindle 2. The chuck transition mounting plate 23 is used to facilitate the installation of the chuck and facilitate the transmission of power.

[0025] 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 dual-axis drive device for a grid structure laying machine, characterized in that: It includes a box body, a horizontally arranged main shaft is installed at the center of the box body, a large gear set is installed on the main shaft, two symmetrical main shaft drive shafts are arranged above the box body, gears are installed on the main shaft drive shafts, the gears are meshed with the large gear set, the ends of the main shaft drive shafts are connected with the reducer, the reducer is connected with the motor, the top of the box body is an open structure, a box cover is installed on the top of the box body, and both ends of the main shaft drive shaft and the main shaft are connected to the box body through bearings.

2. A dual-axis drive device for a grid structure laying machine according to claim 1, characterized in that: The box body includes a front plate, a rear plate, a bottom plate and two side plates. The bottom plate connects the bottoms of the front plate and the rear plate. The two side plates connect the front plate and the rear plate. The front plate and the rear plate are both provided with spindle through holes. The spindle is connected to the front plate and the rear plate through bearings. A front flange is provided on the outer side of the front plate. The spindle passes through the front flange. The front flange is connected to the front plate by a number of bolts.

3. A dual-axis drive device for a grid structure laying machine according to claim 2, characterized in that: A groove is provided in the middle of the rear end of the spindle, a spindle rear end cover is installed at the rear end of the spindle, a spindle rear cover is installed on the rear side of the rear plate, the spindle rear cover is located directly behind the spindle rear end cover, an encoder is installed in the middle of the spindle rear cover, and the encoder is facing the spindle rear end cover.

4. A dual-axis drive device for a grid structure laying machine according to claim 3, characterized in that: The encoder is mounted on the spindle rear cover via the encoder mounting block.

5. The dual-axis drive device for a grid structure laying machine according to claim 1, characterized in that: Two horizontal plates are arranged inside the front plate, and vertical plates are installed on the horizontal plates. One end of the main shaft driving shaft is installed on the vertical plate through a bearing, and the other end of the main shaft driving shaft is installed on the rear plate through a bearing.

6. A dual-axis drive device for a grid structure laying machine according to claim 3, characterized in that: The front end of the main shaft is provided with a tapered groove which is communicated with the groove. The outer side of the front end of the main shaft is provided with a mounting groove, and a chuck transition mounting plate is installed at the mounting groove of the main shaft.

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