Crossed hinge press-fitting pad selecting and assembling device for road roller

Abstract

The utility model relates to the technical field of engineering machinery, in particular to a road roller cross-shaped hinge press-fitting pad-selecting assembling device which comprises a base, a rotating assembly is arranged on the top face of the base, bearing inner ring assembling mechanisms are symmetrically arranged on the two sides of the rotating assembly, and a measuring assembly is arranged on the other side of the rotating assembly. The bearing inner ring assembling mechanism comprises a heating part replacing assembly and a press-fitting assembly, and the heating part replacing assembly is located between the rotating assembly and the press-fitting assembly. The top of the first support is fixedly connected with a plurality of first guide rails at intervals, a second support is arranged above the first support, the bottom of the second support is fixedly connected with first sliding blocks, the first sliding blocks are slidably connected with the corresponding first guide rails respectively, the end of the first support is provided with a driving piece, and the top of the second support is fixedly connected with a second guide rail; and a heating piece and a reloading piece are arranged on the second guide rail at an interval. The cross hinge assembling device has the advantages that safety is guaranteed, manpower is saved, installation efficiency is improved, the adjusting pads are convenient to select, and cross hinge assembling quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery, in particular to a cross-hinged pressing pad assembly device for a road roller. Background Art

[0002] The cross hinge of a road roller is mainly used to connect the rear frame and the front frame, and is an important component of the road roller to achieve steering action. When assembling the cross hinge, it is necessary to increase or decrease the adjustment pad to ensure the assembly quality of the axial clearance of the joint bearing, thereby ensuring the operating stability of the entire road roller and the user experience.

[0003] For example, in the patent document with patent publication number CN208178881U, a bearing pressing device for assembling a cross hinge of a road roller is disclosed, which includes a frame, two mounting plates are symmetrically arranged on the frame, a hydraulic cylinder is horizontally arranged on each mounting plate, the front end of the hydraulic cylinder piston rod is fixedly connected to a tube shell, the tube shell is a blind hole structure, the open end of the tube shell is provided with a shell cover that can cover the opening of the tube shell, the shell cover is provided with a through hole, a bearing sleeve rod slidably matched with the shell cover is provided in the through hole, the bearing sleeve rod is located at one end of the shell cover and is connected to one end of a limit plate, the diameter of the limit plate is larger than the diameter of the through hole and smaller than the inner diameter of the tube shell, the other end of the limit plate is connected to one end of a spring, and the other end of the spring is connected to the blind hole end of the tube shell, a rotating base is provided between the two mounting plates on the frame, and an assembly platform is provided on the rotating base.

[0004] According to the existing technical literature, the bearing press-fitting device can drive the shell cover to move through the hydraulic cylinder, and then press the bearing onto the cross hinge. At the same time, the cross hinge can be driven to rotate through the rotating rod, so as to achieve the transposition of the cross hinge, thereby completing the bearing press-fitting work at each joint position of the cross hinge. However, after the cross hinge is transposed, the operator needs to manually replace the bearing, and the operation safety and installation efficiency will be reduced accordingly; at the same time, since the bearing is often fixed on the shaft by an interference fit assembly method, directly press-fitting the bearing through the hydraulic cylinder is not only difficult to assemble, but may even cause damage to the bearing; secondly, the device lacks an effective measuring mechanism, and the adjustment pad cannot be accurately selected, and the assembly quality is difficult to guarantee, which can easily lead to problems such as abnormal noise and looseness of the cross hinge.

[0005] To this end, the utility model optimizes and improves the problems of difficult and inefficient assembly and inability to accurately select adjustment pads in the prior art, and hereby proposes a new assembly device that can automatically heat the inner ring of the bearing and automatically assemble it on the cross hinge, so as to better solve the problems in the prior art. Utility Model Content

[0006] The utility model is to solve one of the above technical problems, and the technical solution adopted is: a cross-hinged roller press pad assembly device, comprising a fixed base, a rotating assembly is provided in the middle of the top surface of the base, bearing inner ring assembly mechanisms are symmetrically provided on both sides of the rotating assembly about the axial direction thereof, and a measuring assembly is provided on the other side of the rotating assembly;

[0007] The bearing inner ring assembly mechanism comprises a heating replacement component and a press-fit component, wherein the heating replacement component is located in the space between the rotating component and the press-fit component;

[0008] The heating and replacement component assembly includes a first bracket fixedly connected to the top of the base along the longitudinal direction, a plurality of first guide rails fixedly connected to the top of the first bracket along the transverse interval, each of the first guide rails is arranged longitudinally, a second bracket is provided laterally above the first bracket, first sliders are fixedly connected at corresponding positions on the bottom of the second bracket, each of the first sliders is slidably connected to the corresponding first guide rail, a driving member is provided at the end of the first bracket, a second guide rail is fixedly connected to the top of the second bracket along the transverse direction, and a heating member and a replacement member are movably provided on the second guide rails at intervals.

[0009] In any of the above schemes, it is preferred that the heating element includes a first mounting plate, the bottom of which is slidably connected to the second guide rail, a heating head is fixedly connected to the upper end of the first mounting plate, and also includes a transversely arranged first cylinder, the outer end of the first cylinder is fixedly connected to the corresponding end of the second bracket, and the inner end of the first cylinder is fixedly connected to the first mounting plate.

[0010] In any of the above schemes, it is preferred that the replacement part includes a second mounting plate, the bottom of the second mounting plate is slidably connected to the second guide rail, a bearing frame is fixedly connected to the upper end of the second mounting plate, and also includes a transversely arranged second cylinder, the outer end of the second cylinder is fixedly connected to the corresponding end of the second bracket, and the inner end of the second cylinder is fixedly connected to the second mounting plate.

[0011] In any of the above schemes, preferably, the driving member includes a third cylinder arranged longitudinally, the third cylinder is fixedly mounted on the corresponding end of the first bracket, and the end of the telescopic rod of the third cylinder is mounted on the second bracket in the tooling state.

[0012] In any of the above schemes, preferably, the press-fitting assembly includes a third bracket fixedly connected to the top of the base along the longitudinal direction, a plurality of third guide rails are fixedly connected to the top of the third bracket along the lateral intervals, each of the third guide rails is longitudinally arranged, a third mounting plate is provided above the third bracket, the bottom of the third mounting plate is movably mounted on each of the third guide rails through a plurality of second sliders, a quick-change pressure head is fixedly connected to the inner plate surface of the third mounting plate along the longitudinal direction, and also includes a fourth cylinder arranged longitudinally, the fourth cylinder is fixedly mounted on the corresponding end of the third bracket, and the end of the telescopic rod of the fourth cylinder is mounted on the outer plate surface of the third mounting plate in the tooling state.

[0013] In any of the above schemes, it is preferred that the rotating component includes a rotating platform movably mounted on the top of the base, a plurality of positioning seats are fixedly connected to the top of the rotating platform at axial intervals, and corner cylinders are vertically fixedly connected to both sides of the top surface of the rotating platform, and positioning rods are fixedly connected to the upper ends of the two corner cylinders.

[0014] In any of the above schemes, preferably, the measuring component includes a fourth bracket fixedly connected to the top of the base along the longitudinal direction, a plurality of fourth guide rails are fixedly connected to the top of the fourth bracket along the lateral intervals, each of the fourth guide rails is longitudinally arranged, and also includes a fifth cylinder arranged longitudinally, the fifth cylinder is fixedly mounted on the corresponding end of the fourth bracket, the end of the telescopic rod of the fifth cylinder is fixedly connected to the first outer ring placing frame, the first outer ring placing frame is fixedly connected to the cross-hinge placing frame through a plurality of springs, the bottoms of the first outer ring placing frame and the cross-hinge placing frame are movably connected to each of the fourth guide rails, a second outer ring placing frame is fixedly connected to the top of the other end of the fourth bracket, and a sensor is fixedly connected to one side of the cross-hinge placing frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model can complete the heating, replacement and press-fitting of the inner ring of the bearing in an orderly manner through the cooperation of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder, so as to automatically and quickly and accurately assemble the two sets of inner rings of the bearing to the corresponding shaft bodies of the cross hinge, which not only ensures the safety of operation, but also saves manpower and improves the installation efficiency.

[0017] 2. The utility model can automatically heat the inner ring of the bearing through the heating head, so that the inner ring of the bearing expands due to the heat, thereby facilitating the quick assembly of the inner ring of the bearing to the shaft corresponding to the cross hinge, thereby improving the assembly efficiency and avoiding the situation in which the inner ring of the bearing is directly assembled and thus damaged.

[0018] 3. The utility model can automatically press the outer ring of the bearing and the corresponding inner ring of the bearing on the cross hinge through the drive of the fifth cylinder, thereby simulating the assembly state of the cross hinge joint bearing, and then accurately measure the axial size of the joint bearing through the sensor, so as to determine the selection of the adjustment pad, ensure the assembly quality of the cross hinge, and avoid abnormal noise or looseness of the cross hinge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the specific implementation of the utility model, the following will briefly introduce the drawings required for the specific implementation. In all the drawings, similar elements or components are generally identified by similar reference numerals. In the drawings, each element or component is not necessarily drawn according to the actual scale.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the assembly device of the utility model.

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the heating replacement component of the utility model.

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the press-fit assembly of the utility model.

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the rotating assembly of the utility model.

[0024] Figure 5 It is a three-dimensional structural schematic diagram of the measuring component of the utility model.

[0025] Figure 6 It is a structural schematic diagram of the assembly device of the utility model in working state.

[0026] In the figure, 1, base; 2, first bracket; 3, first guide rail; 4, second bracket; 5, first slider; 6, second guide rail; 7, first mounting plate; 8, heating head; 9, first cylinder; 10, second mounting plate; 11, bearing frame; 12, second cylinder; 13, third cylinder; 14, first connecting plate; 15, third bracket; 16, third guide rail; 17, third mounting plate; 18, second slider; 19, quick-change pressure head; 20, first Four cylinders; 21. Second connecting plate; 22. Rotating platform; 23. Positioning seat; 24. Angle cylinder; 25. Positioning rod; 26. Fourth bracket; 27. Fourth guide rail; 28. Third connecting plate; 29. ​​Fifth cylinder; 30. First outer ring placement rack; 31. Spring; 32. Cross hinge placement rack; 33. Second outer ring placement rack; 34. Sensor; 35. Cross hinge; 36. Bearing inner ring; 37. Bearing outer ring; 38. Rotating shaft. DETAILED DESCRIPTION

[0027] The following is a detailed description of the embodiments of the technical solution of the utility model in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the scope of protection of the utility model. Figure 1-Figure 6 as shown in .

[0028] A cross-hinged roller press pad assembly device comprises a fixed base 1, a rotating assembly is arranged in the middle of the top surface of the base 1, bearing inner ring assembly mechanisms are arranged symmetrically about the axis of the rotating assembly on both sides of the rotating assembly, and a measuring assembly is arranged on the other side of the rotating assembly;

[0029] The bearing inner ring assembly mechanism comprises a heating replacement component and a press-fit component, wherein the heating replacement component is located in the space between the rotating component and the press-fit component;

[0030] The heating and replacement component assembly includes a first bracket 2 fixedly connected to the top of the base 1 along the longitudinal direction, a plurality of first guide rails 3 are fixedly connected to the top of the first bracket 2 along the transverse interval, each of the first guide rails 3 is arranged longitudinally, a second bracket 4 is provided laterally above the first bracket 2, first sliders 5 are fixedly connected at corresponding positions on the bottom of the second bracket 4, each of the first sliders 5 is slidably connected to the corresponding first guide rail 3, a driving member is provided at the end of the first bracket 2, a second guide rail 6 is fixedly connected to the top of the second bracket 4 along the transverse direction, and a heating member and a replacement member are movably provided on the second guide rail 6 at intervals.

[0031] The bottom of the base 1 is fixedly mounted on the ground at the corresponding workstation by hexagonal bolts, and the rotating assembly, heating replacement assembly, press-fit assembly and measuring assembly are respectively fixedly mounted on the top surface of the base 1 by matching positioning bolts. The rotating assembly is used to place and position the cross hinge 35, and it can rotate to drive the cross hinge 35 to adjust the workstation. The heating replacement assembly is used to place the bearing inner ring 36 and heat it, so as to facilitate the assembly of the bearing inner ring 36 to the corresponding shaft. The press-fit assembly is used to press the bearing inner ring 36 that has expanded due to heat onto the shaft corresponding to the cross hinge 35. The measuring assembly is used to simulate the actual assembly state of the cross hinge 35 and the angular contact spherical bearing and accurately measure the axial size of the part, so as to facilitate the selection of the adjustment pad and improve the assembly quality of the cross hinge 35.

[0032] When the device is working, the operator first manually places the first set of bearing inner rings 36 on the press-fit assembly, and places the second set of bearing inner rings 36 on the heating replacement assembly, and at the same time places the cross hinge 35 on the rotating assembly, and finally places the paired bearing outer rings 37 on the measuring assembly.

[0033] After all the workpieces are placed, the first group of bearing inner rings 36 are first heated by the heating replacement component, and then the group of bearing inner rings 36 are pressed onto the shaft corresponding to the cross hinge 35 by the press-fitting component. After the first group of bearing inner rings 36 are assembled, the cross hinge 35 is driven to change its orientation by the rotating component, and the second group of bearing inner rings 36 are placed on the press-fitting component by the heating replacement component, and then the group of bearing inner rings 36 are heated by the heating replacement component. After the heating is completed, the second group of bearing inner rings 36 are assembled onto the shaft corresponding to the cross hinge 35 by the press-fitting component again.

[0034] After that, the assembled cross hinge 35 and bearing inner ring 36 are placed on the measuring assembly, and then the corresponding bearing outer ring 37 is pressed against the cross hinge assembly by the measuring assembly to complete the measurement and collection of the axial dimensions. After the measurement is completed, the operator transfers the cross hinge assembly and the bearing outer ring 37 to the corresponding workstations respectively, thus completing the subsequent operation process.

[0035] The heating and changing component assembly includes a first bracket 2, which is fixedly mounted at a corresponding position on the top of the base 1 in the longitudinal direction, and two first guide rails 3 are arranged in parallel on the top of the first bracket 2 and are arranged along the length direction thereof. The second bracket 4 is driven by a driving member to slide along the two first guide rails 3, thereby driving the heating component and the changing component to move horizontally along the length direction of the first guide rails 3. At the same time, the heating component and the changing component can slide horizontally along the second guide rail 6.

[0036] In any of the above schemes, it is preferred that the heating element includes a first mounting plate 7, the bottom of which is slidably connected to the second guide rail 6, a heating head 8 is fixedly connected to the upper end of the first mounting plate 7, and also includes a transversely arranged first cylinder 9, the outer end of the first cylinder 9 is fixedly connected to the corresponding end of the second bracket 4, and the inner end of the first cylinder 9 is fixedly connected to the first mounting plate 7.

[0037] A sliding groove for movably fitting with the second guide rail 6 is provided at the bottom of the first mounting plate 7 , and the first cylinder 9 is arranged along the length direction of the second guide rail 6 .

[0038] When the telescopic rod of the first cylinder 9 is retracted, the first mounting plate 7 and the heating head 8 mounted on the upper end thereof are located at the corresponding end position of the second bracket 4. When the telescopic rod of the first cylinder 9 is extended, it drives the first mounting plate 7 to slide horizontally along the second guide rail 6, thereby moving the heating head 8 to the specified position, thereby heating the inner ring 36 of the bearing on the press-fit assembly, so that it expands due to the heat for subsequent assembly.

[0039] In any of the above schemes, it is preferred that the replacement part includes a second mounting plate 10, the bottom of which is slidably connected to the second guide rail 6, a bearing frame 11 is fixedly connected to the upper end of the second mounting plate 10, and also includes a transversely arranged second cylinder 12, the outer end of the second cylinder 12 is fixedly connected to the corresponding end of the second bracket 4, and the inner end of the second cylinder 12 is fixedly connected to the second mounting plate 10.

[0040] The bottom of the second mounting plate 10 is provided with a sliding groove for active connection with the second guide rail 6. When the telescopic rod of the second cylinder 12 is retracted, the second mounting plate 10 and the bearing frame 11 are both located at the corresponding end positions of the second bracket 4, wherein the bearing frame 11 is used to place the second group of bearing inner rings 36. After the first group of bearing inner rings 36 are heated and assembled to the corresponding shaft of the cross hinge 35, the telescopic rod of the second cylinder 12 is extended, thereby driving the second mounting plate 10 to slide horizontally along the second guide rail 6, thereby moving the second group of bearing inner rings 36 on the bearing frame 11 to the specified position, and then placing the group of bearing inner rings 36 on the press-fit assembly, so as to continue to complete the heating and assembly process of the second group of bearing inner rings 36.

[0041] In any of the above schemes, it is preferred that the driving member includes a third cylinder 13 arranged longitudinally, and the third cylinder 13 is fixedly mounted on the corresponding end of the first bracket 2, and the telescopic rod end of the third cylinder 13 is mounted on the second bracket 4 in the tooling state.

[0042] A first connection 14 is fixedly connected to the top of the corresponding end of the first bracket 2, and the cylinder body of the third cylinder 13 is fixedly mounted on the first connection plate 14. Through the operation of the telescopic rod of the third cylinder 13, the second bracket 4 can be automatically driven to slide horizontally along the first guide rail 3.

[0043] In this way, with the cooperation of the first cylinder 9 and the third cylinder 13, the heating head 8 can be quickly inserted into the designated bearing inner ring 36 on the press-fit assembly, thereby completing the heating operation thereon.

[0044] At the same time, with the cooperation of the second cylinder 12 and the third cylinder 13, the bearing inner ring 36 on the bearing seat 11 can be quickly placed at the corresponding position of the press-fit assembly.

[0045] In any of the above schemes, it is preferred that the press-fitting assembly includes a third bracket 15 fixedly connected to the top of the base 1 along the longitudinal direction, and a plurality of third guide rails 16 are fixedly connected to the top of the third bracket 15 along the lateral intervals, and each of the third guide rails 16 is longitudinally arranged, and a third mounting plate 17 is provided above the third bracket 15, and the bottom of the third mounting plate 17 is movably mounted on each of the third guide rails 16 through a plurality of second sliders 18, and a quick-change pressure head 19 is fixedly connected to the inner plate surface of the third mounting plate 17 along the longitudinal direction, and also includes a fourth cylinder 20 arranged longitudinally, and the fourth cylinder 20 is fixedly mounted on the corresponding end of the third bracket 15, and the end of the telescopic rod of the fourth cylinder 20 in the tooling state is mounted on the outer plate surface of the third mounting plate 17.

[0046] Two third guide rails 16 are provided in parallel on the top of the third bracket 15. One end of the quick-change pressure head 19 is fixedly mounted on the third mounting plate 17, and the other end is provided with a groove space for placing the bearing inner ring 36. At the same time, when the bearing inner ring 36 is placed in the space, it can be clamped. A second connecting plate 21 is fixedly mounted on the top of the corresponding end of the third bracket 15, and the cylinder body of the fourth cylinder 20 is fixedly mounted on the second connecting plate 21.

[0047] The telescopic rod of the fourth cylinder 20 extends, driving the third mounting plate 17 to slide horizontally along the third guide rail 16, and further driving the quick-change press head 19 to move horizontally along the third guide rail 16, thereby finally pressing the bearing inner ring 36 placed at its end onto the shaft corresponding to the cross hinge 35.

[0048] In any of the above schemes, it is preferred that the rotating assembly includes a rotating platform 22 movably mounted on the top of the base 1, a plurality of positioning seats 23 are fixedly connected to the top of the rotating platform 22 at axial intervals, and corner cylinders 24 are vertically fixedly connected to both sides of the top surface of the rotating platform 22, and positioning rods 25 are fixedly connected to the upper ends of the two corner cylinders 24.

[0049] A servo motor is provided at a corresponding position at the bottom of the base 1, and a rotating shaft 38 is fixedly connected to the middle position of the bottom surface of the rotating platform 22. The motor shaft of the servo motor is coaxially fixedly connected to the rotating shaft 38 to drive the rotating platform 22 to rotate. There are four positioning seats 23, and the four positioning seats 23 are evenly and symmetrically installed at the corresponding positions on the top of the rotating platform 22, and an arc groove is provided on the top of each positioning seat 23. The cross hinge 35 is placed on the positioning seat 23, so that the corresponding axis of the cross hinge 35 is supported by the arc groove thereon, and finally the precise positioning of the cross hinge 35 is realized. The telescopic rod of the angle cylinder 24 is extended and retracted up and down, thereby driving the positioning rod 25 to move up and down. When the cross hinge 35 is placed on the positioning seat 23, the angle cylinder 24 retracts so that the end of the positioning rod 25 is pressed on the corresponding axis of the cross hinge 35 to fix the cross hinge 35.

[0050] In any of the above schemes, it is preferred that the measuring component includes a fourth bracket 26 fixedly connected to the top of the base 1 along the longitudinal direction, and a plurality of fourth guide rails 27 are fixedly connected to the top of the fourth bracket 26 along the lateral intervals, and each of the fourth guide rails 27 is longitudinally arranged, and also includes a fifth cylinder 29 arranged longitudinally, and the fifth cylinder 29 is fixedly mounted on the corresponding end of the fourth bracket 26, and the end of the telescopic rod of the fifth cylinder 29 is fixedly connected to a first outer ring placement frame 30, and the first outer ring placement frame 30 is fixedly connected to a cross hinge placement frame 32 through a plurality of springs 31, and the bottoms of the first outer ring placement frame 30 and the cross hinge placement frame 32 are both movably connected to each of the fourth guide rails 27, and a second outer ring placement frame 33 is fixedly connected to the top of the other end of the fourth bracket 26, and a sensor 34 is fixedly connected to one side of the cross hinge placement frame 32.

[0051] The bottoms of the first outer ring placement rack 30 and the cross hinge placement rack 32 are movably connected to the fourth guide rail 27 through their corresponding sliding blocks, while the second outer ring placement rack 33 is fixed. The inner sides of the first outer ring placement rack 30 and the second outer ring placement rack 33 are both provided with arc placement plates for placing the corresponding bearing outer rings 37. Arc placement plates are provided at the tops of both ends of the cross hinge placement rack 32 to position the corresponding axis of the cross hinge 35, and supporting blocks are provided at the tops of both sides of the cross hinge placement rack 32 to support the cross hinge 35 to keep it balanced.

[0052] The cylinder body of the fifth cylinder 29 is fixedly mounted on the corresponding end of the fourth bracket 26 through the third connecting plate 28. Each spring 31 is placed horizontally, one end of which is fixedly mounted on the first outer ring placement frame 30, and the other end of which is fixedly mounted on the cross hinge placement frame 32, for linkage and buffering. The sensor 34 is an existing pull-wire sensor, which can accurately measure the linear stroke.

[0053] In this way, after the assembly of the two groups of bearing inner rings 36 is completed, the cross hinge 35 and the assembled bearing inner rings 36 are placed on the cross hinge placement frame 32, and the bearing outer ring 37 is placed on the first outer ring placement frame 30 and the second outer ring placement frame 33, and then the fifth cylinder 29 is turned on, and its telescopic rod drives the first outer ring placement frame 30 and the corresponding bearing outer ring 37 to move horizontally along each fourth guide rail 27, and under the connection of the spring 31, the cross hinge placement frame 32 and the cross hinge 35 are also horizontally displaced along the fourth guide rail 27, so that the corresponding bearing inner ring 36 on the cross hinge 35 is finally pressed against the bearing outer ring 37 on the second outer ring placement frame 33, and under the action of the spring 31, the bearing outer ring 37 on the first outer ring placement frame 30 is further pressed against the bearing inner ring 36 on the cross hinge 35. At the same time, the sensor 34 works in this process, so as to measure the axial dimensions of the bearing inner ring 36 and the bearing outer ring 37 in the simulated assembly state.

[0054] Specific working principle:

[0055] The operator first manually places the first group of bearing inner rings 36 on the quick-change press head 19, and places the second group of bearing inner rings 36 on the bearing frame 11, and places the cross hinge 35 on the positioning seat 23 of the rotary platform 22. Then the heating head 8 is driven by the first cylinder 9 to move it to the specified position, and then the heating head 8 is inserted into the first group of bearing inner rings 36 through the third cylinder 13 and heated. After the heating is completed, the quick-change press head 19 is driven by the fourth cylinder 20 to press the first group of bearing inner rings 36 onto the shaft corresponding to the cross hinge 35.

[0056] Then, driven by the corresponding servo motor, the rotary platform 22 drives the cross hinge 35 to achieve reversal, and then the assembly work of the second group of bearing inner rings 36 is continued.

[0057] Then the second cylinder 12 drives the bearing frame 11 to move it to the specified position, and then under the action of the third cylinder 13, the second group of bearing inner rings 36 on the bearing frame 11 are placed on the quick-change press head 19, and then the heating head 8 is inserted into the second group of bearing inner rings 36 through the cooperation of the first cylinder 9 and the third cylinder 13. After the heating is completed, the fourth cylinder 20 drives the quick-change press head 19 to press the second group of bearing inner rings 36 onto the shaft corresponding to the cross hinge 35.

[0058] Finally, the cross hinge 35 with two sets of bearing inner rings 36 assembled is placed on the cross hinge placement rack 32, and the bearing outer ring 37 is placed on the first outer ring placement rack 30 and the second outer ring placement rack 33. Then the fifth cylinder 29 is turned on. Under the action of the fifth cylinder 29, the bearing outer ring 37 is respectively pressed against the corresponding bearing inner ring 36 on the cross hinge 35, thereby simulating the assembly condition of the spherical bearing. At the same time, the axial dimensions of the bearing inner ring 36 and the bearing outer ring 37 in this state are measured by the sensor 34.

[0059] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

[0060] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A cross hinge press pad assembly device for a road roller, characterized in that: It comprises a fixed base (1), a rotating assembly is provided in the middle of the top surface of the base (1), bearing inner ring assembly mechanisms are provided symmetrically about the axis of the rotating assembly on both sides of the rotating assembly, and a measuring assembly is provided on the other side of the rotating assembly; The bearing inner ring assembly mechanism comprises a heating replacement component and a press-fit component, wherein the heating replacement component is located in the space between the rotating component and the press-fit component; The heating and changing component assembly comprises a first bracket (2) fixedly connected to the top of the base (1) in the longitudinal direction, a plurality of first guide rails (3) fixedly connected to the top of the first bracket (2) in the transverse direction at intervals, each of the first guide rails (3) being arranged in the longitudinal direction, a second bracket (4) being arranged in the transverse direction above the first bracket (2), first sliders (5) being fixedly connected at corresponding positions of the bottom of the second bracket (4), each of the first sliders (5) being slidably connected to the corresponding first guide rail (3), a driving component being arranged at the end of the first bracket (2), a second guide rail (6) fixedly connected to the top of the second bracket (4) in the transverse direction, and a heating component and a changing component being movably arranged at intervals on the second guide rail (6).

2. The cross-hinged press pad assembly device for a road roller according to claim 1, characterized in that: The heating element comprises a first mounting plate (7), the bottom of the first mounting plate (7) being slidably connected to the second guide rail (6), a heating head (8) being fixedly connected to the upper end of the first mounting plate (7), and a first cylinder (9) being arranged transversely, the outer end of the first cylinder (9) being fixedly connected to the corresponding end of the second bracket (4), and the inner end of the first cylinder (9) being fixedly connected to the first mounting plate (7).

3. The cross-hinged press pad assembly device for a road roller according to claim 2, characterized in that: The replacement part comprises a second mounting plate (10), the bottom of the second mounting plate (10) is slidably connected to the second guide rail (6), a bearing frame (11) is fixedly connected to the upper end of the second mounting plate (10), and also comprises a transversely arranged second cylinder (12), the outer end of the second cylinder (12) is fixedly connected to the corresponding end of the second bracket (4), and the inner end of the second cylinder (12) is fixedly connected to the second mounting plate (10).

4. The cross-hinged pressure pad assembly device for a road roller according to claim 3, characterized in that: The driving member comprises a third cylinder (13) arranged longitudinally, the third cylinder (13) being fixedly mounted on a corresponding end of the first bracket (2), and the end of a telescopic rod of the third cylinder (13) being mounted on the second bracket (4) in a tooling state.

5. The cross hinge pad assembly device for a road roller according to claim 4, characterized in that: The press-fitting assembly comprises a third bracket (15) fixedly connected to the top of the base (1) in the longitudinal direction, a plurality of third guide rails (16) fixedly connected to the top of the third bracket (15) in the transverse interval, each of the third guide rails (16) being arranged longitudinally, a third mounting plate (17) being arranged above the third bracket (15), the bottom of the third mounting plate (17) being movably mounted on each of the third guide rails (16) via a plurality of second sliders (18), a quick-change press head (19) fixedly connected in the longitudinal direction on the inner side plate surface of the third mounting plate (17), and a fourth cylinder (20) arranged longitudinally, the fourth cylinder (20) being fixedly mounted on the corresponding end of the third bracket (15), and the end of the telescopic rod of the fourth cylinder (20) being mounted on the outer side plate surface of the third mounting plate (17) in the tooling state.

6. The cross-hinged pressure pad assembly device for a road roller according to claim 5, characterized in that: The rotating assembly comprises a rotating platform (22) movably mounted on the top of the base (1), a plurality of positioning seats (23) are fixedly connected to the top of the rotating platform (22) at axial intervals around the top of the rotating platform (22), and corner cylinders (24) are respectively vertically fixedly connected to the two sides of the top surface of the rotating platform (22), and the upper ends of the two corner cylinders (24) are respectively fixedly connected to positioning rods (25).

7. The cross-hinged pressure pad assembly device for a road roller according to claim 6, characterized in that: The measuring assembly comprises a fourth bracket (26) fixedly connected to the top of the base (1) in the longitudinal direction, a plurality of fourth guide rails (27) fixedly connected to the top of the fourth bracket (26) in the transverse interval, each of the fourth guide rails (27) being arranged longitudinally, and a fifth cylinder (29) arranged longitudinally, the fifth cylinder (29) being fixedly mounted on the corresponding end of the fourth bracket (26), a first outer ring placement frame (30) being fixedly connected to the end of the telescopic rod of the fifth cylinder (29), the first outer ring placement frame (30) being fixedly connected to a cross hinge placement frame (32) via a plurality of springs (31), the bottoms of the first outer ring placement frame (30) and the cross hinge placement frame (32) being movably connected to each of the fourth guide rails (27), a second outer ring placement frame (33) being fixedly connected to the top of the other end of the fourth bracket (26), and a sensor (34) being fixedly connected to one side of the cross hinge placement frame (32).

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