CN212110573U - Precision detection tool for ultra-large gear ring - Google Patents

Abstract

The utility model relates to the field of machinary, concretely relates to precision detection frock of extra-large ring gear. The utility model provides an accuracy testing frock of extra-large ring gear, includes: a slide rail; the slide, the slide can be followed the slide rail slides, be provided with bearing structure and adjustment subassembly on the slide, bearing structure activity support gear shaft, the adjustment subassembly has the at least three adjustable adjusting part in position that circumference distributes, and at least three the adjusting part supports the surface of gear shaft is with spacing adjustment the axis position of gear shaft. Supporting structure cooperation adjustment subassembly for the gear shaft only can rotate under the drive of super large-scale ring gear, and other ascending motions in side can not appear, promptly the utility model discloses a precision detection frock can realize spacing and the stable support of accuracy to the gear shaft, with the accuracy that improves the detection. The technical problem of low detection accuracy of the machining precision of the ultra-large gear ring in the prior art is solved.

Description

Precision detection tool for ultra-large gear ring

Technical Field

The utility model relates to the field of machinary, concretely relates to precision detection frock of extra-large ring gear.

Background

The ultra-large gear ring is a gear ring with the diameter of more than 5 meters and the weight of 50T-100T, is a main part of a rotary kiln, a ball mill and the like, has complex installation working conditions, needs large hoisting and transporting equipment, and has high installation and transportation costs. Due to the large volume and mass, if the field debugging is unqualified, huge repair cost is generated, the production progress is seriously influenced, and in order to avoid the problems, the machining precision of the ultra-large gear ring is required to be confirmed on the product machining field, and the field debugging result is accurately simulated and installed.

In the prior art, the gear shaft is hoisted and driven to move by the crane, the standard gear on the gear shaft is meshed with the ultra-large gear ring, the ultra-large gear ring can drive the standard gear to rotate, and the machining precision of the ultra-large gear ring is detected by detecting the meshed imprints of the standard gear and the ultra-large gear ring. The detection method can play a role in detecting the machining precision of the ultra-large gear ring, but the gear shaft is lifted by a travelling crane, the limit effect on the gear shaft is limited, the gear shaft still swings in the transmission process, and the detection accuracy is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the detection accuracy to the machining precision of extra-large gear ring among the prior art is low, the utility model provides an accuracy testing frock of extra-large gear ring has solved above-mentioned technical problem. The technical scheme of the utility model as follows:

the utility model provides an accuracy testing frock of extra-large ring gear, includes: a slide rail; the slide, the slide can be followed the slide rail slides, be provided with bearing structure and adjustment subassembly on the slide, bearing structure activity support gear shaft, the adjustment subassembly has the at least three adjustable adjusting part in position that circumference distributes, and at least three the adjusting part supports the surface of gear shaft is with spacing adjustment the axis position of gear shaft.

The utility model discloses a precision detection frock of extra-large gear ring, the gear shaft sets up on the slide, and the slide can drive the gear shaft and slide along the slide rail to adjust the centre-to-centre spacing between extra-large gear ring and the gear shaft, be provided with bearing structure on the slide and come the movable support gear shaft, but the axis of spacing adjustment gear shaft through the adjustment subassembly again is parallel with the axis of extra-large gear ring. The precision detection tool of the utility model can accurately adjust the position of the gear shaft by matching the slide with the support structure and the adjusting component on the slide, so that the gear shaft is well meshed with the ultra-large gear ring to detect the processing precision of the ultra-large gear ring; in addition, bearing structure cooperation adjustment subassembly for the gear shaft only can rotate under the drive of super large-scale ring gear, and the ascending motion in other directions can not appear, promptly the utility model discloses a precision detects frock can realize spacing and the stable support of accuracy to the gear shaft, with the accuracy that improves the detection.

According to the utility model discloses an embodiment, bearing structure includes the top of point portion up, it can stretch into to top the tip of gear shaft is in order to support the gear shaft.

According to the utility model discloses an embodiment, the adjustment subassembly includes that the clearance cover is established the adjustment frame of gear shaft periphery, it has to distribute on the adjustment frame the adjusting part, the adjusting part is in position on the adjustment frame is adjustable.

According to the utility model discloses an embodiment, be provided with the adjustment seat on the adjustment frame, the adjusting part with adjustment seat screw-thread fit, at least three adjusting part circumference evenly distributed, every the adjusting part radially extends.

According to the utility model discloses an embodiment, the adjustment subassembly is two sets of, sets up respectively in the top and the below of the working face of gear shaft.

According to the utility model discloses an embodiment, the slide follows under the drive of sharp module the slide rail slides.

Based on the technical scheme, the utility model discloses the technological effect that can realize does:

1. the utility model discloses a precision detection frock of extra-large gear ring, the gear shaft sets up on the slide, and the slide can drive the gear shaft and slide along the slide rail to adjust the centre-to-centre spacing between extra-large gear ring and the gear shaft, be provided with bearing structure on the slide and come the movable support gear shaft, but the axis of spacing adjustment gear shaft through the adjustment subassembly again is parallel with the axis of extra-large gear ring. The precision detection tool of the utility model can accurately adjust the position of the gear shaft by matching the slide with the support structure and the adjusting component on the slide, so that the gear shaft is well meshed with the ultra-large gear ring to detect the processing precision of the ultra-large gear ring; in addition, the supporting structure is matched with the adjusting assembly, so that the gear shaft can only rotate under the driving of the ultra-large gear ring, and the gear shaft can not move in other directions, namely, the precision detection tool of the utility model can realize accurate limiting and stable supporting of the gear shaft, so as to improve the detection accuracy;

2. the utility model discloses a precision detection frock of extra-large-size ring gear, bearing structure include that the tip upwards supports the gear shaft, and the size of tip is less than the slot that the tip of gear shaft corresponds the setting, and the tip stretches into the slot and can realize the movable support to the gear shaft; the adjusting assembly comprises at least three adjusting pieces, the positions of the adjusting pieces are adjustable, one end parts of all the adjusting pieces are abutted against the outer surface of the gear shaft, at least three supporting points are formed on the outer surface of the gear shaft, and the axial position of the gear shaft can be stably limited; the adjusting pieces are further arranged to be in threaded fit with the adjusting frame, the adjusting pieces are uniformly distributed along the circumferential direction, each adjusting piece extends in the radial direction, the adjusting pieces can be guaranteed to move to different positions in the radial direction and stably abut against the outer surface of the gear shaft, and supporting points are uniformly distributed, so that the accurate limiting of the position of the gear shaft is realized; the two groups of adjusting assemblies are further arranged and are respectively positioned above and below the working surface of the gear shaft, so that the gear shaft can be further prevented from shaking in the process of meshing transmission;

3. the utility model discloses a precision detection tool for an ultra-large gear ring, which can drive a gear shaft to slide along a slide rail through a slide seat so as to adjust the center distance between the gear shaft and the ultra-large gear ring; the axis that accessible bearing structure cooperation adjustment subassembly adjusted the gear shaft is on a parallel with super large-scale ring gear, specifically, can beat the table at the upper and lower excircle position of gear shaft, adjusts the position of adjusting part according to beating the table result, and then the axis of adjustment gear shaft is on a parallel with the axis of super large-scale ring gear.

Drawings

Fig. 1 is a schematic structural view of the precision detection tool for the ultra-large gear ring of the present invention;

FIG. 2 is a schematic structural view of the slide rail assembly;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is a schematic view of a linear module installation;

FIG. 6 is a front view of a precision detection tool for an ultra-large ring gear;

FIG. 7 is a cross-sectional view C-C of FIG. 6;

FIG. 8 is a schematic structural diagram of an adjustment assembly;

FIG. 9 is a top view of the adjustment assembly;

FIG. 10 is a diagram of the operation state of the precision detection tool when detecting an ultra-large gear ring;

in the figure: 1-a slide rail; 11-a base; 2-a slide seat; 21-a slider body; 22-a slide plate; 23-a slide block; 3-a support structure; 31-apex; 32-a tip seat; 4-adjusting the assembly; 41-adjusting frame; 42-an adjusting seat; 43-a trim; 5-a linear module; 51-a screw rod; 52-a nut; 53-a first scaffold; 54-a second bracket; 55-hand wheel; 6-gear shaft; 61-a working surface; 7-ultra-large gear ring; 8, a workbench; 81-leg support.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 10, the present embodiment provides an accuracy detection tool for an ultra-large gear ring, including a sliding rail 1 and a sliding base 2, where the sliding base 2 can slide along the sliding rail 1, a supporting structure 3 for supporting a gear shaft 6 and an adjusting assembly 4 for limiting and adjusting the position of the gear shaft 6 are disposed on the sliding base 2, the gear shaft 6 can be lifted up and placed on the supporting structure 3, and the adjusting assembly 4 limits and adjusts the position of the gear shaft 6. The sliding base 2 drives the gear shaft 6 to slide along the sliding rail 1 so as to adjust the center distance between the gear shaft 6 and the ultra-large gear ring 7, and the adjusting assembly 4 can adjust the axis position of the gear shaft 6, so that the axis of the gear shaft 6 is parallel to the axis of the ultra-large gear ring 7, and accurate meshing of the ultra-large gear ring 7 to be detected and the gear shaft 6 is realized.

The slide rail 1 is two, and two slide rail 1 parallel arrangement and straight line extend, and two slide rail 1 set up on base 11. The slide carriage 2 is slidably disposed on the slide rail 1 and can slide along the slide rail 1. The sliding base 2 comprises a sliding base body 21, a sliding plate 22 and a sliding block 23, the sliding base body 21 is fixedly arranged on the upper surface of the sliding plate 22, the sliding block 23 is fixedly arranged on the lower surface of the sliding plate 22, and the sliding block 23 is in sliding fit with the sliding rail 1.

The slide carriage 2 is driven by the linear module 5 to slide along the slide rail 1. Specifically, the linear module 5 includes a screw 51 and a nut 52, the screw 51 is rotatably disposed on the base 11, the screw 51 is located between the base 11 and the sliding plate 22, the nut 52 is sleeved on the screw 51 and connected to the lower surface of the sliding plate 22, and when the screw 51 rotates, the nut 52 thereon can drive the sliding base 2 thereon to make linear motion along the screw 51. Specifically, the screw rod 51 is disposed on the base 11 through a first bracket 53 and a second bracket 54, the first bracket 53 and the second bracket 54 are fixed on the base 11, and both ends of the screw rod 51 are rotatably disposed on the first bracket 53 and the second bracket 54. Preferably, the screw rod 51 is arranged in parallel with the two slide rails 1, and when the screw rod 51 is rotated to drive the slide carriage 2 to move linearly, the slide carriage 2 can slide along the slide rails 1 without being separated from the slide rails 1. The linear module 5 further comprises a hand wheel 55, the hand wheel 55 is fixedly connected with one end of the screw rod 51, the hand wheel 55 extends to the outside, the screw rod 51 can be driven to rotate by rotating the hand wheel 55, then the nut 52 on the screw rod 51 is driven to move linearly, and the nut 52 drives the sliding seat 2 on the nut to slide along the sliding rail 1.

Be provided with bearing structure 3 on the slide 2 in order to support gear shaft 6, bearing structure 3 sets up the upper surface at slide 22, and bearing structure 3 activity supports gear shaft 6, and bearing structure 3 includes top 31 of vertical setting, and top 31's point portion is up, and top 31 passes through the fixed setting on slide 22 of apex seat 32. The lower end of the gear shaft 6 is formed with a slot which is in clearance fit with the tip 31, and when the tip 31 is inserted into the slot of the gear shaft 6, the position of the gear shaft 6 can be changed.

In order to ensure the stability of the position of the gear shaft 6, the slide carriage 2 is further provided with an adjusting assembly 4, the adjusting assembly 4 is arranged on one side of the slide carriage body 21 close to the gear shaft 6, and the adjusting assembly 4 and the supporting structure 3 are arranged on the same side of the slide carriage body 21. The adjusting assembly 4 comprises an adjusting frame 41, a through hole is formed in the adjusting frame 41, the adjusting frame 41 can be sleeved on the periphery of the gear shaft 6 in a clearance mode, at least three adjusting pieces 43 are distributed on the adjusting frame 41, the positions of the adjusting pieces 43 can be adjusted, and the at least three adjusting pieces 43 are enabled to abut against the periphery of the gear shaft 6 through adjusting the positions of the adjusting pieces 43 so as to adjust the axis position of the gear shaft 6. Specifically, the adjusting frame 41 is provided with an adjusting seat 42 around the through hole, the adjusting pieces 43 are arranged on the adjusting seat 42, at least three adjusting pieces 43 are uniformly distributed along the circumferential direction, the adjusting pieces 43 extend in the radial direction, and the at least three adjusting pieces 43 can reciprocate in the radial direction to abut against the limit gear shaft 6 together. Preferably, the number of the adjusting seats 42 is at least three, the adjusting seats 42 and the adjusting pieces 43 are arranged in a one-to-one correspondence manner, the adjusting pieces 43 are in threaded fit with the adjusting seats 42, and the positions of the adjusting pieces 43 on the adjusting seats 42 can be adjusted by rotating the adjusting pieces 43. The adjustment member 43 may be selected from, but not limited to, a screw.

In order to ensure the stability of the position of the gear shaft 6, the gear shaft 6 only rotates in the process of meshing rotation with the ultra-large gear ring, and the position does not change, the adjusting assemblies 4 can be set into two groups, one group of adjusting assemblies 4 is fixed on the sliding seat body 21, the other group of adjusting assemblies 4 can be arranged on the sliding seat body 21, and can also be arranged on the supporting structure 3, in this embodiment, the other group of adjusting assemblies 4 is arranged on the supporting structure 3, and the adjusting frame 41 of the other group of adjusting assemblies 4 is fixed on the tip seat 32. Preferably, the two sets of adjusting assemblies 4 are respectively positioned above and below the working surface 61 of the gear shaft 6, and a gap exists between the working surface 61 of the gear shaft 6 and the slider body 21.

Based on the precision detection tool for the ultra-large gear ring, the embodiment also provides a precision detection method for the ultra-large gear ring, which comprises the following steps:

s1, placing the gear shaft 6 matched with the ultra-large gear ring 7 on a precision detection tool;

s2, supporting and adjusting the position of the gear shaft 6 by the precision detection tool to realize meshing of the gear shaft 6 and the ultra-large gear ring 7, wherein the working surface 61 of the gear shaft 6 is coated with a marker;

s3, the ultra-large gear ring 7 drives the gear shaft 6 to rotate, and meshing traces of the gear shaft 6 and the ultra-large gear ring 7 are obtained.

Before step S1, the legs 81 may be fixed to the table 8 by bolts, and the ultra-large gear ring 7 may be fixed to the legs 81 on the table 8 by a pressing plate to perform alignment; and after alignment, hobbing. Wherein the working table 8 is the working table of the gear hobbing machine.

In step S1, the step of placing the gear shaft 6 fitted to the ultra-large ring gear 7 on the precision detection tool includes the step of placing the gear shaft 6 fitted to the ultra-large ring gear 7 on the support structure 3 by lifting, and the adjustment assembly 4 is provided around the outer periphery of the gear shaft 6.

In step S2, the position where the precision detection tool supports and adjusts the gear shaft 6 includes:

s21, forming a groove at the bottom end of the gear shaft 6, and extending the support structure 3 into the groove to movably support the gear shaft 6;

s22, the sliding seat 2 drives the gear shaft 6 to slide along the sliding rail 1 so as to adjust the center distance between the gear shaft 6 and the ultra-large gear ring 7;

s23, the axis of the adjusting gear shaft 6 of the adjusting assembly 4 is parallel to the axis of the ultra-large gear ring 7.

In step S21, the supporting structure 3 is in clearance fit with the groove at the bottom end of the gear shaft 6 to form a movable support for the gear shaft 6; in step S22, the hand wheel 55 is rotated to make the lead screw nut drive the sliding base 2 to slide along the sliding rail 1, and further drive the gear shaft 6 thereon to slide towards the ultra-large gear ring 7, so as to adjust the center distance between the two; in step S23, each of the adjusting members 43 in the adjusting assembly 4 is adjusted to extend and retract in the radial direction, so that the inner ends of all the adjusting members 43 abut against the outer periphery of the gear shaft 6 to limit the axial position of the gear shaft 6. When the adjusting component 4 is adjusted, the upper and lower excircle parts of the gear shaft 6 can be subjected to meter reading, and the adjusting component 4 is adjusted according to the meter reading result. After adjustment, the clearance of the meshing teeth can be measured by a feeler gauge until the required requirements are met. In step S2, the marker applied on the working surface 61 of the gear shaft 6 is selected from, but not limited to, red powder.

In step S3, the gear hobbing machine is started to make the table 8 drive the ultra-large gear ring 7 to rotate, and the gear shaft 6 is driven to rotate through gear transmission, so as to complete the meshing process of the mating gears, and the marker can mark meshing traces. And observing the meshing traces, wherein the general meshing traces reach more than 80 percent, namely the contact area of the gear is determined to meet the design requirement, and the machining precision of the ultra-large gear ring meets the requirement. The meshing trace rubbing can be saved and submitted to a customer site debugging reference.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (6)

1. The utility model provides a precision detection frock of extra-large ring gear, its characterized in that includes:

a slide rail (1);

slide (2), slide (2) can be followed slide rail (1) slides, be provided with bearing structure (3) and adjusting part (4) on slide (2), bearing structure (3) activity support gear shaft (6), adjusting part (4) have at least three position adjustable adjusting part (43) that circumference distributes, at least three adjusting part (43) support the surface of gear shaft (6) is with spacing adjustment the axis position of gear shaft (6).

2. The tool for detecting the precision of the ultra-large gear ring is characterized in that the supporting structure (3) comprises an apex (31) with an upward pointed part, and the apex (31) can extend into the end part of the gear shaft (6) to support the gear shaft (6).

3. The tool for detecting the precision of the ultra-large gear ring according to claim 1 or 2, wherein the adjusting assembly (4) comprises an adjusting frame (41) which is sleeved on the periphery of the gear shaft (6) in a clearance mode, adjusting pieces (43) are distributed on the adjusting frame (41), and the positions of the adjusting pieces (43) on the adjusting frame (41) are adjustable.

4. The tool for detecting the precision of the ultra-large gear ring according to claim 3, wherein an adjusting seat (42) is arranged on the adjusting frame (41), the adjusting pieces (43) are in threaded fit with the adjusting seat (42), at least three adjusting pieces (43) are circumferentially and uniformly distributed, and each adjusting piece (43) extends in the radial direction.

5. The tool for detecting the precision of the ultra-large gear ring according to any one of claims 1 to 2 and 4, wherein the two groups of adjusting assemblies (4) are respectively arranged above and below the working surface (61) of the gear shaft (6).

6. The tool for detecting the precision of the ultra-large gear ring according to claim 1, wherein the sliding base (2) is driven by the linear module (5) to slide along the sliding rail (1).

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