Coupling press-fitting platform

By designing the coupling pressing platform, the rapid compression of the coupling is achieved using the frame and pre-assembled components, the problems of cumbersome operation and low efficiency in the prior art are solved, and the compression efficiency and convenience are improved.

CN222874471UActive Publication Date: 2025-05-16SHIJIAZHUANG CRRC RAIL TRANSIT EQUIP CO LTD
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Patent Information

Application Number
CN202421816490.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-16
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

In the prior art, the pressing operation steps of the coupling joint are cumbersome, and the disassembly process is time-consuming and labor-intensive, so the pressing efficiency is low.

Method used

A coupling pressing platform is designed, including a frame, mounting block, pressure block, oil injection rod, drive mechanism and locking firmware. By pre-assembling the pressure block, the oil injection rod and the drive mechanism on the mounting block, and transporting it to the central shaft and one side of the coupling using the frame, the drive mechanism and the oil pump are used to achieve rapid pressure installation of the coupling.

Benefits of technology

The operation steps of coupling pressing are simplified, the efficiency of pressing is improved, manpower consumption is reduced, and quick and convenient installation and connection are achieved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a coupling press-fitting platform, which belongs to the technical field of rail transit and comprises a frame, a mounting block, a pressing block, an oiling rod, a driving mechanism and a locking piece. The frame is provided with a mounting table; the mounting block body is fixedly mounted on the mounting table; the mounting block body is provided with a first mounting hole and a mounting groove; the pressing block is slidably connected into the first mounting hole, one end of the pressing block acts on the coupling and the center shaft, and the pressing block is provided with a second mounting hole and a baffle. The oiling rod is mounted in the second mounting hole, and an oiling hole, a first connecting part and a second connecting part are arranged on the oiling rod; the driving mechanism is mounted in the mounting groove and is connected with the baffle; the locking piece is arranged on the oiling rod and connected with the second connecting part, and the locking piece is used for fixedly connecting the oiling rod with the pressing block body. According to the coupling press-fitting platform, the operation steps of press-fitting work are simplified, trouble and labor are saved, and then the working efficiency of coupling press-fitting is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of rail transportation, and more specifically relates to a coupling press-fitting platform. Background Art

[0002] A coupling is a mechanical transmission connector used to connect two shafts and is commonly used in various mechanical transmission systems. During use, the coupling is responsible for transmitting the rotation of one rotating shaft to another shaft. The coupling consists of two sleeves, two intermediate shafts, two coupling sleeves, a clamp and bolts. In order to ensure the accuracy and stability of the connection between the coupling and the rotating shaft, it is necessary to ensure that the end faces of the coupling and the rotating shaft are flush when installing the coupling, and to reduce the gap between the coupling and the rotating shaft, so the installation is carried out by press-fitting. At present, when press-fitting the coupling, the press-fitting assembly, the power assembly, etc. need to be installed in sequence, and the installation process is relatively cumbersome; at the same time, the installation and disassembly operations of the press-fitting assembly and the power assembly are time-consuming and labor-intensive, and the press-fitting efficiency is low. Utility Model Content

[0003] The utility model aims to provide a coupling press-fitting platform to solve the technical problems in the prior art that the pressing-fitting operation steps of the coupling are relatively complicated and the disassembly process is time-consuming and labor-intensive.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a coupling press-fitting platform, comprising:

[0005] A frame having a mounting platform;

[0006] A mounting block is fixedly mounted on the mounting platform; a first mounting hole is provided through the mounting block, and a mounting groove is provided at one end of the mounting block close to the coupling;

[0007] A pressure block is arranged on the mounting block and is slidably connected to the first mounting hole; one end of the pressure block is used to act on the coupling and the central shaft; a second mounting hole is provided on the pressure block, and the second mounting hole is coaxially arranged with the first mounting hole; a baffle extending outward and corresponding to the mounting groove is provided on the pressure block;

[0008] An oil filling rod is arranged on the pressure block and installed in the second installation hole; the oil filling rod is provided with an oil filling hole, and the outer sides of both ends are respectively provided with a first connecting part and a second connecting part, and the first connecting part is used to connect with the central axis;

[0009] A driving mechanism, installed in the installation groove and connected to the baffle, for driving the pressure block to be pressed on the coupling and the central shaft;

[0010] A locking piece is disposed on the oil injection rod and connected to the second connecting portion, and is used for fixing the oil injection rod and the pressure block.

[0011] In a possible implementation, the mounting groove is an annular groove and is arranged around the first mounting hole; the mounting groove is coaxially arranged with the first mounting hole; the baffle is an annular plate and is arranged along the circumference of the pressure block.

[0012] In a possible implementation manner, the baffle and the pressure block are integrally formed.

[0013] In a possible implementation, a long avoidance groove connected to the mounting groove is provided on the mounting block, and the long avoidance groove extends from one end of the mounting block close to the coupling to the other end.

[0014] In a possible implementation, the second mounting hole includes a connecting hole section located on both sides and a sliding hole section provided on the two connecting hole sections, and the oil filling rod is provided with a cylindrical sliding surface that is slidably connected to the sliding hole section; the hole diameter of the connecting hole section is larger than the hole diameter of the sliding hole section.

[0015] In a possible implementation, the driving mechanism is a hydraulic jack.

[0016] In a possible implementation, the first connection portion and the second connection portion are both external threaded sections, a threaded hole threadedly connected to the first connection portion is provided on the central axis, the locking piece is a locking nut, and the second connection portion is used to connect to the oil pump pipeline.

[0017] In a possible implementation, a lifter is provided on the vehicle frame, and the mounting platform is fixedly mounted on the lifter.

[0018] In a possible implementation, pads are provided on both sides of the mounting block, fixing holes are provided on the pads, a plurality of linearly arranged screw holes are provided on the mounting platform, the pads are docked and installed on the mounting platform, and the fixing holes are coaxially aligned with the screw holes, and the pads and the mounting platform are fixedly connected by bolts passing through the fixing holes and connected to the screw holes.

[0019] In a possible implementation, a counterweight is provided on the frame.

[0020] The coupling press-fitting platform provided by the utility model has the following beneficial effects: compared with the prior art, the coupling press-fitting platform of the utility model, when in use, the mounting block is pre-fixed and mounted on the mounting platform of the frame, and then the driving mechanism is mounted in the mounting groove, and the pressure block is slidably penetrated into the first mounting hole on the mounting block, and the free end of the driving mechanism corresponds to the baffle on the pressure block; then the oiling rod is penetrated into the second mounting hole of the pressure block, and one end passes through the mounting block; the staff manipulates the frame to move to one side of the central axis and the coupling, and one end of the oiling rod corresponds to the central axis; the oiling rod is manipulated to move in the second mounting hole and is connected to the central axis using the first connecting portion, so that the oiling hole is aligned with the central axis on the central axis The through holes are connected, and the oiling rod and the pressure block are fixedly connected by using a locking piece and a second connecting part, and at the same time, the driving mechanism is started to act on the baffle to squeeze the end of the pressure block against the matching connection between the center shaft and the coupling; finally, an oil pump is connected to the other end of the oiling rod, so that the oil passes through the oiling hole and the center through hole into the assembly surface of the center shaft and the coupling to realize the pressing operation of the coupling; in this way, the pressure block, the oiling rod, and the driving mechanism are pre-installed on the installation block, and transported to one side of the center shaft and the coupling by a frame, so that they can be quickly and conveniently installed and connected with the center shaft and the coupling, which simplifies the operating steps of the pressing work and saves time and effort, thereby improving the working efficiency of the coupling pressing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 A schematic diagram of the structure of the coupling press-fitting platform provided in the embodiment of the utility model Figure 1 ;

[0023] Figure 2 A schematic diagram of the connection between the mounting block, the pressure block, the oil injection rod, the driving mechanism and the locking member provided in the embodiment of the utility model;

[0024] Figure 3 A schematic diagram of the structure of the mounting block provided in an embodiment of the utility model;

[0025] Figure 4 A schematic diagram of the structure of a pressure block provided in an embodiment of the utility model;

[0026] Figure 5 A cross-sectional view of the oil injection rod provided in an embodiment of the utility model;

[0027] Figure 6 A schematic diagram of the structure of the coupling press-fitting platform provided in the embodiment of the utility model Figure 2 .

[0028] Among them, the reference numerals in the figure are:

[0029] 1. Frame; 11. Mounting platform; 12. Lifter; 13. Screw hole; 14. Bolt; 15. Counterweight; 2. Mounting block; 21. First mounting hole; 22. Mounting groove; 23. Long avoidance groove; 24. Pad; 25. Fixing hole; 3. Pressure block; 31. Second mounting hole; 32. Baffle; 33. Connecting hole section; 34. Sliding hole section; 4. Oiling rod; 41. Oiling hole; 42. First connecting part; 43. Second connecting part; 44. Cylindrical sliding surface; 5. Driving mechanism; 6. Locking piece; 7. Center axis; 71. Coupling; 72. Threaded hole. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0032] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] See also Figures 1 to 6Now, the coupling 71 press-fitting platform provided by the utility model is described. A coupling 71 press-fitting platform includes a frame 1, a mounting block 2, a pressure block 3, an oiling rod 4, a driving mechanism 5 and a locking piece 6; the frame 1 is provided with a mounting platform 11; the mounting block 2 is fixedly mounted on the mounting platform 11; a first through mounting hole 21 is provided on the mounting block 2, and a mounting groove 22 is provided at one end of the mounting block 2 close to the coupling 71; the pressure block 3 is provided on the mounting block 2, and is slidably connected to the first mounting hole 21; one end of the pressure block 3 is used to act on the coupling 71 and the central shaft 7; a second through mounting hole 31 is provided on the pressure block 3, and the second mounting hole 31 is aligned with the first mounting hole 21 is coaxially arranged; a baffle 32 extending outwardly and corresponding to the mounting groove 22 is provided on the pressure block 3; the oil filling rod 4 is arranged on the pressure block 3 and installed in the second mounting hole 31; an oil filling hole 41 is provided on the oil filling rod 4, and the outer sides of both ends are respectively provided with a first connecting part 42 and a second connecting part 43, and the first connecting part 42 is used to connect with the central axis 7; the driving mechanism 5 is installed in the mounting groove 22 and is connected to the baffle 32, and is used to drive the pressure block 3 to be squeezed on the coupling 71 and the central axis 7; the locking piece 6 is provided on the oil filling rod 4 and is connected to the second connecting part 43, and is used to fix the oil filling rod 4 and the pressure block 3.

[0035] Compared with the prior art, the coupling 71 press-fitting platform provided by the utility model is characterized in that, when in use, the mounting block 2 is pre-fixed on the mounting platform 11 of the frame 1, and then the driving mechanism 5 is installed in the mounting groove 22, and the pressure block 3 is slidably penetrated into the first mounting hole 21 on the mounting block 2, and the free end of the driving mechanism 5 corresponds to the baffle 32 on the pressure block 3; then the oiling rod 4 is penetrated into the second mounting hole 31 of the pressure block 3, and one end thereof passes through the mounting block 2; the staff manipulates the frame 1 to move to one side of the central axis 7 and the coupling 71, and one end of the oiling rod 4 corresponds to the central axis 7; the oiling rod 4 is manipulated to move in the second mounting hole 31 and is connected to the central axis 7 using the first connecting portion 42, so that the oiling hole 41 is connected to the central through hole on the central axis 7, and is used The locking piece 6 and the second connecting part 43 fix the oil filling rod 4 and the pressure block 3, and at the same time, the driving mechanism 5 is started to act on the baffle 32 to squeeze the end of the pressure block 3 to the matching connection between the center shaft 7 and the coupling 71; finally, an oil pump is used to connect with the other end of the oil filling rod 4, so that the oil passes through the oil filling hole 41 and the center through hole into the assembly surface of the center shaft 7 and the coupling 71 to realize the press-fitting operation of the coupling 71; in this way, the pressure block 3, the oil filling rod 4, and the driving mechanism 5 are pre-installed on the installation block 2, and transported to one side of the center shaft 7 and the coupling 71 using the frame 1, so that they can be quickly and conveniently installed and connected with the center shaft 7 and the coupling 71, which simplifies the operating steps of the press-fitting work and saves time and effort, thereby improving the work efficiency of the press-fitting of the coupling 71.

[0036] See also Figures 1 to 3 As a specific embodiment of the coupling 71 press-fitting platform provided by the utility model, the mounting groove 22 is an annular groove and is arranged around the first mounting hole 21; the mounting groove 22 is coaxially arranged with the first mounting hole 21; the baffle 32 is an annular plate and is arranged circumferentially along the pressure block 3; the annular groove is used as the mounting groove 22, and the driving mechanism 5 also has a through hole, and then it is installed in the mounting groove 22, and the driving mechanism 5 is provided with an annular free end; at the same time, the baffle 32 is set as an annular plate, and the annular free end is pressed on the annular plate, and then the annular plate is connected with the matching surface of the coupling 71 and the central shaft 7, so that the press-fitting effect of the coupling 71 is better. The annular groove is arranged around the first mounting hole 21, so that the pressure block 3 passes through the through hole on the driving mechanism 5. The driving mechanism 5 can also be set as a plurality of driving mechanisms 5, and evenly arranged in the mounting groove 22, and the free ends of the plurality of driving mechanisms 5 are installed with an annular structure.

[0037] See also Figure 1 , Figure 2 , Figure 4 and Figure 6 As a specific embodiment of the coupling 71 pressing platform provided by the utility model, the baffle 32 is integrally formed with the pressure block 3, which improves the connection strength and stability of the baffle 32 and the pressure block 3, so that the baffle 32 can accurately and effectively squeeze the coupling 71 and the center shaft 7.

[0038] See also Figures 1 to 3 As a specific implementation of the coupling 71 press-fitting platform provided by the utility model, a long avoidance groove 23 connected to the mounting groove 22 is provided on the mounting block 2, and the long avoidance groove 23 extends from one end of the mounting block 2 close to the coupling 71 to the other end; when installing the driving mechanism 5, the connecting end on the driving mechanism 5 corresponds to the long avoidance groove 23, and as the driving mechanism 5 is installed into the mounting groove 22, the connecting end is installed in the long avoidance groove 23, which is convenient for the staff to connect the power source of the driving mechanism 5 with the connecting end.

[0039] See also Figure 1 , Figure 2 and Figure 4As a specific embodiment of the coupling 71 press-fitting platform provided by the utility model, the second mounting hole 31 includes a connecting hole section 33 located on both sides and a sliding hole section 34 provided on the two connecting hole sections 33, and the oiling rod 4 is provided with a cylindrical sliding surface 44 that is slidably connected with the sliding hole section 34; the aperture of the connecting hole section 33 is larger than the aperture of the sliding hole section 34; that is, the diameter of the connecting hole section 33 at both ends is larger than the diameter of the sliding hole section 34, which is convenient for installing the oiling rod 4, and can reduce the contact surface length between the oiling rod 4 and the pressure block 3 during the process of controlling the movement of the oiling rod 4 in the second mounting hole 31, so that the installation and movement of the oiling rod 4 are faster and more accurate. A cylindrical sliding surface 44 is provided on the outer side of the oiling rod 4, so that the oiling rod 4 can move linearly and rotate in the pressure block 3.

[0040] See also Figure 1 and Figure 2 As a specific embodiment of the coupling 71 press-fitting platform provided by the utility model, the driving mechanism 5 is a hydraulic jack, which can provide a stable and large force, so that the pressure block 3 can reliably and firmly apply pressure to the connection between the central shaft 7 and the connecting shaft. The outer diameter of the pressure block 3 is larger than the outer diameter of the central shaft 7, and the inner diameter of the pressure block 3 is smaller than the outer diameter of the central shaft 7.

[0041] See also Figure 1 and Figure 2 , Figure 4 and Figure 5 As a specific embodiment of the coupling 71 press-fitting platform provided by the utility model, the first connecting portion 42 and the second connecting portion 43 are both external threaded sections, a threaded hole 72 threadedly connected to the first connecting portion 42 is provided on the central shaft 7, the locking piece 6 is a locking nut, and the second connecting portion 43 is used to connect to the oil pump pipeline; when the oil injection rod 4 is connected to the central shaft 7, the external threaded section at one end of the oil injection rod 4 is threadedly connected to the threaded hole 72 on the central shaft 7, and the external threaded section at the other end is also located outside the pressure block 3; after the locking nut is installed on the external threaded section at the other end of the oil injection rod 4, the oil injection rod 4 is fixedly connected to the pressure block 3 through the locking nut.

[0042] See also Figure 1 and Figure 6 As a specific embodiment of the coupling 71 press-fitting platform provided by the utility model, a lifter 12 is provided on the frame 1, and the mounting platform 11 is fixedly mounted on the lifter 12; the staff can adjust the height of the mounting block 2, the pressure block 3, the oiling rod 4, etc. through the lifter 12, so as to accurately correspond to the central axis 7. The lifter 12 can be a scissor lifter, a cylinder, an oil cylinder, etc.

[0043] See also Figure 1 and Figure 6As a specific embodiment of the coupling 71 press-fitting platform provided by the utility model, pads 24 are provided on both sides of the mounting block 2, fixing holes 25 are provided on the pads 24, and a plurality of linearly arranged screw holes 13 are provided on the mounting platform 11. The pads 24 are docked and mounted on the mounting platform 11, and the fixing holes 25 are coaxially aligned with the screw holes 13. The pads 24 and the mounting platform 11 are fixedly connected by bolts 14 that pass through the fixing holes 25 and are connected to the screw holes 13; when the mounting block 2 is installed on the mounting platform 11, the pads 24 are docked with the mounting platform 11, and the fixing holes 25 on the pads 24 are aligned with the screw holes 13 on the mounting platform 11, and finally the bolts 14 are used to pass through the fixing holes 25 and are threadedly connected with the screw holes 13 to achieve a fixed connection between the pads 24 and the mounting platform 11. When the position of the mounting block 2 needs to be adjusted according to actual working conditions and the pressure block 3, the oil filling rod 4, the center shaft 7, and the coupling 71 need to be connected, the pad 24 is moved so that the fixing hole 25 on the pad 24 is coaxially aligned with the screw hole 13 on the outside of the mounting platform 11, and the bolt 14 is used to fix the pad 24 to the mounting platform 11.

[0044] See also Figure 1 and Figure 6 As a specific embodiment of the coupling 71 press-fitting platform provided by the utility model, a counterweight 15 is provided on the frame 1; since the pressure block 3, the driving mechanism 5, the baffle 32, etc. are all close to one side of the frame 1, it is convenient to connect with the central shaft 7 and the coupling 71. However, this method also causes the center of the frame 1 to deviate, resulting in instability of the frame 1; therefore, the counterweight 15 is installed on the side of the frame 1 away from the baffle 32, so that the center of gravity of the entire press-fitting platform is located at the center of the frame 1.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coupling press-fitting platform, characterized in that: include: A frame having a mounting platform; A mounting block is fixedly mounted on the mounting platform; a first mounting hole is provided through the mounting block, and a mounting groove is provided at one end of the mounting block close to the coupling; A pressure block is arranged on the mounting block and is slidably connected to the first mounting hole; one end of the pressure block is used to act on the coupling and the central shaft; a second mounting hole is provided on the pressure block, and the second mounting hole is coaxially arranged with the first mounting hole; a baffle extending outward and corresponding to the mounting groove is provided on the pressure block; An oil filling rod is arranged on the pressure block and installed in the second installation hole; the oil filling rod is provided with an oil filling hole, and the outer sides of both ends are respectively provided with a first connecting part and a second connecting part, and the first connecting part is used to connect with the central axis; A driving mechanism, installed in the installation groove and connected to the baffle, for driving the pressure block to be pressed on the coupling and the central shaft; A locking piece is disposed on the oil injection rod and connected to the second connecting portion, and is used for fixing the oil injection rod and the pressure block.

2. The coupling press-fitting platform according to claim 1, characterized in that: The mounting groove is an annular groove and is arranged around the first mounting hole; the mounting groove is coaxially arranged with the first mounting hole; the baffle is an annular plate and is arranged along the circumference of the pressure block.

3. The coupling press-fitting platform according to claim 2, characterized in that: The baffle plate and the pressure block are integrally formed.

4. The coupling press-fitting platform according to claim 2, characterized in that: The installation block is provided with a long avoidance groove which is in communication with the installation groove, and the long avoidance groove extends from one end of the installation block close to the coupling to the other end.

5. The coupling press-fitting platform according to claim 1, characterized in that: The second mounting hole includes connecting hole sections located on both sides and sliding hole sections arranged on the two connecting hole sections. The oil filling rod is provided with a cylindrical sliding surface that is slidably connected to the sliding hole sections. The aperture of the connecting hole section is larger than the aperture of the sliding hole section.

6. The coupling press-fitting platform according to claim 1, characterized in that: The driving mechanism is a hydraulic jack.

7. The coupling press-fitting platform according to claim 1, characterized in that: The first connection part and the second connection part are both external threaded sections, a threaded hole threadedly connected to the first connection part is provided on the central shaft, the locking piece is a locking nut, and the second connection part is used to connect to the oil pump pipeline.

8. The coupling press-fitting platform according to claim 1, characterized in that: The frame is provided with a lifter, and the mounting platform is fixedly mounted on the lifter.

9. The coupling press-fitting platform according to claim 1, characterized in that: Pads are provided on both sides of the mounting block, fixing holes are provided on the pads, a plurality of linearly arranged screw holes are provided on the mounting platform, the pads are docked and mounted on the mounting platform, and the fixing holes are coaxially aligned with the screw holes, and the pads and the mounting platform are fixedly connected by bolts passing through the fixing holes and connected to the screw holes.

10. The coupling press-fitting platform according to claim 1, characterized in that: A counterweight is arranged on the vehicle frame.