CN217331001U

CN217331001U - Detection device and slewing bearing production line

Info

Publication number: CN217331001U
Application number: CN202221246199.2U
Authority: CN
Inventors: 王月华
Original assignee: Suote Transmission Equipment Co Ltd
Current assignee: Suote Transmission Equipment Co Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-08-30
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to a slewing bearing processing technology field, concretely relates to detection device and slewing bearing production line, this detection device includes: a supporting and positioning mechanism; the rotating mechanism is connected with the supporting and positioning mechanism and can rotate relative to the supporting and positioning mechanism; and the measuring mechanism is connected with the rotating mechanism, is abutted against a roller path of the slewing bearing and is driven by the rotating mechanism to rotate along the roller path. The utility model discloses a detection device passes through rotary mechanism and drives measuring mechanism and rotate along the raceway, realizes the continuous measurement to the raceway to detect the ellipticity that obtains slewing bearing, ensure the machining precision, whole measurement process is simple, and the detection data who acquires is continuous, the precision is high.

Description

Detection device and slewing bearing production line

Technical Field

The utility model relates to a slewing bearing processing technology field, concretely relates to detection device and slewing bearing production line.

Background

The slewing bearing is widely applied to engineering machinery such as cranes, excavators and loaders, military equipment, transportation machinery, metallurgical machinery, scientific research equipment and the like. At present, the market demand of the slewing bearing is greater in many industries, and the increasing demand and the higher quality requirement provide more challenges for the performance of the slewing bearing at present.

When the slewing bearing is produced, the ellipticity error is required to be within a corresponding range, after the machining is finished, the ellipticity of the slewing bearing needs to be detected to judge whether the machining meets the production requirements, currently, a plurality of bearing factories mostly use a portable bridge ruler or a structure of a dial indicator and a measuring head to carry out multi-point measurement on the slewing bearing to obtain the maximum diameter and the minimum diameter of the slewing bearing, the difference between the maximum diameter and the minimum diameter is the ellipticity of the slewing bearing, but the point-by-point measurement mode has poor data continuity, so that the precision of a measurement result is low.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that slewing bearing's among the prior art measured data is discontinuous, the precision is low to a detection device and slewing bearing production line that data is continuous, the precision is high are provided.

In order to solve the above problem, the utility model provides a detection device, include: a supporting and positioning mechanism; the rotating mechanism is connected with the supporting and positioning mechanism and can rotate relative to the supporting and positioning mechanism; and the measuring mechanism is connected with the rotating mechanism, is abutted against a roller path of the slewing bearing and is driven by the rotating mechanism to rotate along the roller path.

As a preferable aspect of the detection device, the support positioning mechanism includes: the connecting rod is connected with the rotating mechanism; and the positioning assemblies are symmetrically arranged at two ends of the connecting rod and can be inserted into the mounting holes of the slewing bearing.

As an optimal technical scheme of the detection device, a sliding groove is formed in the connecting rod along the length direction of the connecting rod, and the positioning assembly is slidably arranged in the sliding groove.

As an optimal technical scheme of the detection device, a graduated scale is arranged on the connecting rod along the length direction of the connecting rod.

As a preferable technical solution of the detection apparatus, the positioning assembly includes: the positioning piece is arranged in the sliding groove in a sliding mode and can be inserted into the mounting hole of the slewing bearing; and the locking piece is suitable for locking and fixing the positioning piece and the slewing bearing.

As a preferable aspect of the detection device, the rotation mechanism includes: a rotating shaft connected with the connecting rod; a rotating rod connected to both the rotating shaft and the measuring mechanism, and rotatable relative to the connecting rod.

As a preferable aspect of the detection device, the measurement mechanism includes: the measuring meter is connected with the rotating rod; the measuring head is connected with the measuring meter, the measuring head is abutted to the roller path of the slewing bearing, and the connecting line of the measuring head and the measuring meter is perpendicular to the detection surface of the roller path.

As a preferred technical solution of the detection device, the measurement mechanism further includes a first connecting member, and the first connecting member is connected to both the rotating rod and the measuring meter; and/or a second connecting piece, which is connected to both the bottom and the top of the measuring head and which is connected to the measuring meter.

As a preferred embodiment of the detection device, the measuring heads are provided in plural and different sizes, and the measuring meter is selectively detachably connected to one of the measuring heads.

The utility model also provides a slewing bearing production line, include as above detection device.

The utility model has the advantages of it is following:

1. the utility model discloses a detection device realizes the support location to measuring mechanism through supporting positioning mechanism, ensures its detection basic point, and it is rotatory along the raceway to drive measuring mechanism through rotary mechanism, realizes the continuous measurement to the raceway to detect the ellipticity that obtains slewing bearing, ensure the machining precision, whole measurement process is simple, and the detection data who acquires is continuous, the precision is high.

2. The utility model discloses a detection device supports positioning mechanism and includes connecting rod and locating component, and locating component sets up in the both ends of connecting rod, and locating component can peg graft in slewing bearing's mounting hole, realizes fixing the location of connecting rod, ensures to detect the basic point.

3. The utility model discloses a detection device is equipped with spout and graduated scale on the connecting rod along the length direction of connecting rod, sets up in the spout positioning assembly slidable, when needs examine not unidimensional slewing bearing, moves positioning assembly and confirms positioning assembly's the amount of movement according to the graduated scale, ensures the location accuracy of detecting the basic point, further improves and detects the accuracy.

4. The utility model discloses a detection device, locating component include setting element and retaining member, set up in the spout setting element slidable, and the setting element can be pegged graft and realize the preliminary fixed of setting element in slewing bearing's mounting hole, and the retaining member is suitable for to fix the secondary in order to realize the setting element with setting element and slewing bearing locking, ensures the support stability of connecting rod, avoids it to take place to rock in the testing process, ensures to detect the accuracy.

5. The utility model discloses a detection device, rotary mechanism include rotary rod and rotation axis, and the rotation axis is connected with the connecting rod and the rotary rod all is connected with rotation axis and measuring mechanism, and the rotary rod can rotate for the connecting rod to drive measuring mechanism and realize slewing bearing's continuous measurement along the raceway is rotatory.

6. The utility model discloses a detection device, the measuring head is provided with a plurality ofly and the size is all inequality, but the measuring tape selectivity can dismantle with one of them measuring head and be connected, through changing not unidimensional measuring head, just can realize not unidimensional slewing bearing's detection to satisfy different detection demands, improve this detection device's adaptability, the commonality is strong.

7. The utility model discloses a slewing bearing production line, including foretell detection device, can realize guaranteeing its machining precision to slewing bearing's raceway continuous measurement, whole measurement process is simple, the precision is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a schematic perspective view of a detection device according to an embodiment of the present invention;

FIG. 2 shows an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic overall sectional structural diagram of a detection device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram illustrating an overall supporting and positioning mechanism in the detecting device according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a part of a supporting and positioning mechanism in the detecting device according to the embodiment of the present invention;

fig. 6 shows a schematic structural diagram of a first connecting member in a detection device according to an embodiment of the present invention.

Description of reference numerals:

1. a supporting and positioning mechanism; 11. a connecting rod; 111. a chute; 112. a graduated scale; 12. a positioning assembly; 121. a positioning member; 1211. a positioning column; 1212. positioning a nut; 122. a locking member; 2. a rotation mechanism; 21. a rotating shaft; 22. rotating the rod; 3. a measuring mechanism; 31. measuring a meter; 311. a measuring rod; 32. a measuring head; 33. a first connecting member; 331. a first connection hole; 332. a second connection hole; 34. a second connecting member; 100. a slewing bearing; 101. a raceway; 102. and (7) installing holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-6, the present embodiment discloses a detection apparatus, which includes a supporting and positioning mechanism 1, a rotating mechanism 2, and a measuring mechanism 3, wherein the rotating mechanism 2 is connected to the supporting and positioning mechanism 1, and the rotating mechanism 2 can rotate relative to the supporting and positioning mechanism 1, the measuring mechanism 3 is connected to the rotating mechanism 2, the measuring mechanism 3 abuts against a raceway 101 of a slewing bearing 100, and the measuring mechanism 3 is driven by the rotating mechanism 2 to rotate along the raceway 101.

The utility model discloses a detection device realizes the support location to measuring mechanism 3 through supporting positioning mechanism 1, ensures that it detects the basic point, drives measuring mechanism 3 through rotary mechanism 2 and rotates along raceway 101, realizes the continuous measurement to raceway 101 to detect the ellipticity that obtains slewing bearing 100, ensure the machining precision, whole measurement process is simple, and the detection data that acquire is continuous, the precision is high.

The structure of the detection device is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the supporting and positioning mechanism 1 supports and positions the measuring mechanism 3 and the rotating mechanism 2, and provides measurement accuracy.

As a preferable technical solution of the detection apparatus of the present embodiment, the supporting and positioning mechanism 1 includes a connecting rod 11 and a positioning component 12, wherein the connecting rod 11 is connected with the rotating mechanism 2, the positioning components 12 are symmetrically disposed at two ends of the connecting rod 11, and the positioning components 12 can be inserted into the mounting holes 102 of the slewing bearing 100. Positioning and supporting of the connecting rod 11 can be realized by inserting the positioning assemblies 12 at both ends of the connecting rod 11 into the mounting holes 102 of the slewing bearing 100, thereby realizing positioning of the rotating mechanism 2 and ensuring a detection base point.

The positioning assemblies 12 symmetrically disposed at both ends of the connecting rod 11 can make the distances from the connecting rod 11 to the slewing bearing 100 equal. During actual measurement, two positioning assemblies 12 need to be respectively inserted into two mounting holes 102 corresponding to the radius of the slewing bearing 100, so that the connecting rod 11 is located at the center of the slewing bearing 100, and the measurement accuracy is improved.

Further, a sliding groove 111 is formed on the connecting rod 11 along the length direction of the connecting rod 11, and the positioning component 12 is slidably disposed in the sliding groove 111. Through the sliding of the positioning component 12 along the sliding groove 111, the positioning component 12 can be inserted and fixed into the mounting holes 102 on the slewing bearings 100 with different sizes, so that the slewing bearings 100 with different sizes can be detected, and the adaptability of the detection device is improved.

In addition, in the present embodiment, in order to improve the accuracy of the movement of the positioning assembly 12, a graduated scale 112 is provided on the connecting rod 11 along the length direction of the connecting rod 11. The positioning component 12 can move according to the graduated scale 112, so that the moving accuracy of the positioning component 12 is ensured, and the detection accuracy is further improved.

As a preferable technical solution of the detecting device of the present embodiment, the positioning assembly 12 includes a positioning member 121 and a locking member 122, wherein the positioning member 121 is slidably disposed in the sliding groove 111, the positioning member 121 can be inserted into the mounting hole 102 of the slewing bearing 100, and the locking member 122 is adapted to lock and fix the positioning member 121 and the slewing bearing 100. Through the sliding of the positioning part 121 along the sliding groove 111, the position adjustment is realized to satisfy the measurement on the slewing bearing 100 with different sizes, and further, the positioning part 121 and the slewing bearing 100 are locked and fixed through the locking part 122, so that the fixing of the positioning part 121 is realized.

Specifically, the positioning element 121 includes a positioning post 1211 and a positioning nut 1212, the positioning nut 1212 is inserted into the sliding groove 111 and is in threaded connection with the positioning post 1211, and the positioning post 1211 can be inserted into the mounting hole 102 of the pivoting support 100. The positioning nut 1212 is loosened to adjust the installation position of the positioning post 1211 along the sliding groove 111, and then the positioning nut 1212 is tightened to achieve the initial fixing of the positioning post 1211.

The mounting holes 102 of the pivoting supports 100 with different sizes have different apertures, so that the positioning columns 1211 can be inserted into the mounting holes 102 with different apertures. The positioning post 1211 can be inserted into the mounting holes 102 with different apertures without replacing the positioning post 1211, thereby satisfying various detection requirements. Further, the positioning post 1211 is a hollow post and has threads on its inner wall to facilitate the connection between the positioning nut 1212 and the locking member 122.

In this embodiment, the locking member 122 is a locking nut, the positioning post 1211 is inserted into the mounting hole 102, the locking nut is inserted into one end of the positioning post 1211 away from the positioning nut 1212, and the locking nut is pressed against the outer wall of the rotary support 100 by tightening the locking nut, so as to fix the positioning post 1211 in the axial and circumferential directions, ensure the connection stability of the positioning post 1211, and prevent the positioning post 1211 from coming out of the mounting hole 102 during use.

In this embodiment, the rotating mechanism 2 is used to drive the measuring mechanism 3 to rotate, so as to detect the raceway 101 of the slewing bearing 100.

As a preferable technical solution of the detection apparatus of the present embodiment, the rotation mechanism 2 includes a rotation shaft 21 and a rotation rod 22, wherein the rotation shaft 21 is connected with the connection rod 11, the rotation rod 22 is connected with both the rotation shaft 21 and the measurement mechanism 3, and the rotation rod 22 is capable of rotating relative to the connection rod 11. The rotation of the rotating rod 22 relative to the connecting rod 11 drives the measuring mechanism 3 to rotate, and the measurement of the slewing bearing 100 is realized.

In this embodiment, the rotating shaft 21 is fixedly connected to the connecting rod 11, and the rotating rod 22 is rotatably connected to the rotating shaft 21, so as to rotate the rotating rod 22.

The rotation shaft 21 is connected to the connecting rod 11 and the rotation lever 22 at an intermediate position such that the rotation point of the rotation shaft 21 is located at the center of the slewing bearing 100 to ensure the detection center point.

As for the arrangement of the rotating rod 22, the rotating rod 22 is arranged in parallel with the connecting rod 11, and the rotating rod 22 is located between the slewing bearing 100 and the connecting rod 11. The rotating rod 22 rotates around the detection center point, so as to drive the detection mechanism to rotate around the detection center point in the circumferential direction of the raceway 101.

The measuring mechanism 3 rotates along the raceway 101, so that continuous measurement of the raceway 101 is realized, the ovality of the slewing bearing 100 is obtained, the machining precision is ensured, the whole measuring process is simple, and the obtained detection data are continuous and high in precision.

As a preferable technical solution of the detection device of the present embodiment, the measurement mechanism 3 includes a measurement meter 31 and a measurement head 32, wherein the measurement meter 31 is connected to the rotating rod 22, the measurement head 32 is connected to the measurement meter 31, the measurement head 32 abuts against the raceway 101 of the pivoting support 100, and a line connecting the measurement head 32 and the measurement meter 31 is perpendicular to the detection surface of the raceway 101. The rotating rod 22 drives the measuring gauge 31 to rotate, and further drives the measuring head 32 to rotate on the raceway 101 of the slewing bearing 100, the data displayed by the measuring gauge 31 changes correspondingly through the runout of the measuring head 32, and the data of the measuring gauge 31 is read out, so that the ellipticity of the slewing bearing 100 can be obtained.

Specifically, the measuring meter 31 is a dial indicator, one end of which is provided with a telescopic measuring rod 311, and the telescopic movement of the measuring rod 311 triggers the pointer of the measuring meter 31 to rotate, so as to feed back the measured data.

The measuring head 32 is connected to a measuring rod 311. When the measuring head 32 rotates on the raceway 101, the measuring head 32 jumps due to the existence of the ovality of the raceway 101, so that the measuring rod 311 expands and contracts, the pointer of the measuring gauge 31 changes, the continuous measurement of the raceway 101 is realized, and finally, the fluctuation amount of the diameter of the raceway 101 is read, namely, the ovality of the slewing bearing 100.

As a preferable technical solution of the detecting device of the present embodiment, the measuring mechanism 3 further includes a first connecting member 33, and the first connecting member 33 is connected to both the rotating rod 22 and the measuring meter 31 to realize the connection and fixation of the measuring meter 31. Specifically, the upper end and the lower end of the first connecting member 33 are respectively provided with a first connecting hole 331 and a second connecting hole 332, the rotating rod 22 is inserted into the first connecting hole 331, and the measuring rod 311 of the measuring meter 31 is inserted into the second connecting hole 332.

Further, a first locking notch penetrating through the first connecting member 33 is formed at the top of the first connecting hole 331, and a second locking notch penetrating through the first connecting member 33 is formed at the bottom of the second connecting hole 332.

The measuring mechanism 3 further comprises two fastening members, and the two fastening members are respectively transversely inserted into the first locking notch and the second locking notch to lock the rotating rod 22 and the measuring rod 311.

Here, the fastening member locks the outer cylinder of the measuring rod 311, and does not affect the expansion and contraction of the measuring rod 311.

As a preferred technical solution of the detecting device of this embodiment, the measuring mechanism 3 further includes a second connecting member 34, the second connecting member 34 is connected to both the bottom and the top of the measuring head 32, and the second connecting member 34 is connected to the measuring gauge 31, so as to realize the connection and fixation of the measuring head 32.

Specifically, the second connecting member 34 is an arc-shaped connecting piece, the middle portion of the arc-shaped connecting piece is connected with the measuring rod 311, the arc-shaped connecting piece is wrapped on the periphery of the measuring head 32, and the bottom and the top of the arc-shaped connecting piece are respectively connected with the bottom and the top of the measuring head 32, so that the connection stability of the measuring head 32 is improved.

As a preferred technical solution of the detecting device of this embodiment, the measuring heads 32 are provided in plural and different sizes, and the measuring meter 31 is selectively detachably connected to one of the measuring heads 32. By using the same measuring meter 31 and replacing measuring heads 32 with different sizes, detection on slewing bearings 100 with different sizes can be realized, so that diversified detection requirements can be met, and the universality is high.

To facilitate understanding of the detection device of the present embodiment, the installation and use of the detection device will now be described as follows:

installation of the detection device: inserting a positioning column 1211 into a mounting hole 102 on a rotary support 100 to be measured, and screwing a locking member 122 after the positioning column 1211 is completely matched with the mounting hole 102 on the rotary support 100, so as to limit the axial movement of the positioning column 1211;

after the axial fixation, the relative positions of the positioning nut 1212 and the connecting rod 11 are adjusted along the sliding groove 111 according to the graduated scale 112, the distances from the two ends of the positioning nut 1212 to the rotating shaft 21 are ensured to be equal, the positioning nut 1212 and the mounting hole 102 are concentrically arranged, the positioning nut 1212 is screwed down to determine the measuring center, and at the moment, the axial direction and the radial direction of the detecting device are both fixed;

the height of the rotary rod 22 relative to the connecting rod 11 is adjusted to determine the height of the measuring head 32, ensuring that the measuring head 32 and the centre of the raceway 101 are at the same height.

Use of the detection device: when the rotating rod 22 rotates at least one turn around the connecting rod 11, the measuring head 32 also rotates at least one turn around the raceway 101 of the pivoting support 100, and at the same time, the measurement gauge 31 also changes in value due to the runout of the measuring head 32, so that the difference between the maximum and minimum values, i.e. the ovality of the pivoting support 100, can be directly read from the measurement gauge 31 after one turn.

The embodiment also discloses a slewing bearing production line, which comprises the detection device. The continuous measurement of the raceway 101 of the slewing bearing 100 can be realized, the machining precision of the raceway 101 is ensured, and the whole measurement process is simple and high in precision.

The abutment in the present embodiment may be direct contact abutment, that is, direct contact abutment of the measuring mechanism 3 and the raceway 101 of the slewing bearing 100, or indirect abutment, that is, indirect abutment of the measuring mechanism 3 and the raceway 101 via another component; the insertion in this embodiment may be complete insertion, that is, the positioning element 121 is completely inserted through the mounting hole 102 of the slewing bearing 100, or partial insertion, that is, the positioning element 121 is partially inserted through the mounting hole 102 of the slewing bearing 100.

In addition, it is understood that in other embodiments, the shape of the positioning column 1211 and the shape of the second connecting member 34 may be adjusted as needed, and the locking nut and the positioning nut 1212 may also be replaced by a locking screw, which also can perform the positioning and locking functions, and may be specifically adjusted as needed, and is not limited to the solution of this embodiment.

Meanwhile, in other embodiments, the rotating shaft 21 may be rotatably connected to the connecting rod 11, and the rotating rod 22 is fixedly connected to the rotating shaft 21, so that the rotating rod 22 can also rotate.

In summary, we can obtain that the utility model has the advantages that:

(1) the continuous measurement can be realized, the whole measurement process is simple, and the precision is high.

(2) The positioning assembly 12 realizes positioning and fixing of the connecting rod 11, and ensures a detection base point.

(3) The detection of the slewing bearing 100 with different sizes can be realized, so that different detection requirements are met, the adaptability of the detection device is improved, and the universality is high.

(4) The positioning assembly 12 moves according to the graduated scale 112, so that the positioning accuracy of the detection base point is ensured, and the detection accuracy is further improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A detection device, comprising:

a supporting and positioning mechanism (1);

a rotating mechanism (2) which is connected with the supporting and positioning mechanism (1), and the rotating mechanism (2) can rotate relative to the supporting and positioning mechanism (1);

the measuring mechanism (3) is connected with the rotating mechanism (2), the measuring mechanism (3) is abutted to a roller path (101) of a slewing bearing (100), and the measuring mechanism (3) rotates along the roller path (101) under the driving of the rotating mechanism (2).

2. The detection device according to claim 1, characterized in that said supporting and positioning mechanism (1) comprises:

a connecting rod (11) connected to the rotating mechanism (2);

the positioning assemblies (12) are symmetrically arranged at two ends of the connecting rod (11), and the positioning assemblies (12) can be inserted into the mounting holes (102) of the slewing bearing (100).

3. The detection device according to claim 2, wherein a sliding groove (111) is provided on the connecting rod (11) along a length direction of the connecting rod (11), and the positioning assembly (12) is slidably provided in the sliding groove (111).

4. A testing device according to claim 3, characterized in that a graduated scale (112) is provided on the connecting rod (11) in the length direction of the connecting rod (11).

5. The detection device according to claim 3, characterized in that said positioning assembly (12) comprises:

the positioning piece (121) is slidably arranged in the sliding groove (111), and the positioning piece (121) can be inserted into the mounting hole (102) of the slewing bearing (100);

and the locking piece (122) is suitable for locking and fixing the positioning piece (121) and the slewing bearing (100).

6. The detection device according to claim 2, characterized in that the rotation mechanism (2) comprises:

a rotating shaft (21) connected to the connecting rod (11);

a rotating rod (22) connected to both the rotating shaft (21) and the measuring mechanism (3), and the rotating rod (22) is rotatable relative to the connecting rod (11).

7. The detection device according to claim 6, characterized in that the measuring means (3) comprise:

a measuring meter (31) connected with the rotating rod (22);

the measuring head (32) is connected with the measuring meter (31), the measuring head (32) is abutted to the raceway (101) of the slewing bearing (100), and the connecting line of the measuring head (32) and the measuring meter (31) is perpendicular to the detection surface of the raceway (101).

8. The detection device according to claim 7, characterized in that the measuring mechanism (3) further comprises a first connection member (33), the first connection member (33) being connected to both the rotary lever (22) and the meter (31); and/or

A second connector (34), the second connector (34) being connected to both the bottom and the top of the measuring head (32), and the second connector (34) being connected to the measuring meter (31).

9. The device according to claim 7, characterized in that said measuring heads (32) are provided in plurality and are all of different sizes, said measuring gauge (31) being selectively removably connectable to one of said measuring heads (32).

10. A slewing bearing production line, characterized in that it comprises a detection device according to any one of claims 1-9.