Railway rail rail waist double side grinding machine
By designing a double-sided grinding machine for railway rail webs, and using universal elastic grinding components and internal combustion engine power, automated grinding of rail webs has been achieved. This solves the problems of high labor intensity and low efficiency in existing technologies, improves grinding efficiency and precision, and reduces the labor intensity of operators.
Patent Information
- Application Number
- CN202510638132.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-19
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2045-05-19
AI Technical Summary
In existing technologies, railway rail web grinding operations rely on manual operation, which is labor-intensive, inefficient, produces poor quality, and is inconvenient for transportation, making it impossible to achieve efficient and safe automatic grinding.
A double-sided grinding machine for railway rail webs was designed. It adopts a universal elastic grinding component, a power component, a separation clamping device, and a feed adjustment device. It uses an internal combustion engine or a DC motor to provide power to achieve automated grinding. Combined with the elastic coupling structure, it automatically adjusts the contact with the rail web curvature surface. It is equipped with guide positioning wheels and running wheels for easy movement.
It improves grinding efficiency and precision, reduces the labor intensity of operators, and achieves convenient operation and safety. It is suitable for efficient automatic grinding of rails of various specifications.
Smart Images

Figure CN120250415B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of rail grinding, in particular to a railway rail waist double-side grinding machine. BACKGROUND
[0002] When the railway maintenance department processes the rail, the rail waist needs to be ground and rusted, such as grinding the rail waist before welding in the railway laying and line maintenance operation process, or completing the rail waist grinding operation before using the mobile flash welding machine to weld the rail and before the construction of the cemented insulation joint, and the rail waist on both sides needs to be ground and polished.
[0003] Rail waist grinding is one of the processes with a large amount of work in the line rail welding operation. The operation originally mainly relies on manual electric grinder or angular polishing machine, and the required power needs to be provided by a generator, which is relatively heavy and inconvenient to transport. At the same time, the labor intensity of workers is large, the operation efficiency is low, the speed is slow, the surface quality is poor, and the pollution is serious, which is laborious and laborious to complete. SUMMARY
[0004] The technical problem to be solved by the present application is to provide a railway rail waist double-side grinding machine suitable for various specifications of 50kg / m-75kg / m rail, which can realize automatic grinding and rust removal of the rail waist, and has high grinding efficiency, safety and reliability, convenient operation, fast rack mounting, and high grinding precision.
[0005] The present application realizes the purpose of the application by adopting the following technical solutions:
[0006] A railway rail waist double-side grinding machine, characterized in that it comprises: a rack assembly comprising a rack; a universal elastic grinding assembly comprising symmetrical grinding wheel support arms, the rear ends of the symmetrical grinding wheel support arms are respectively rotatably connected to the rack, the front ends of the symmetrical grinding wheel support arms are respectively bearing-connected to transmission shafts, and the symmetrical transmission shafts are respectively connected to a group of steel balls; the universal elastic grinding assembly further comprises symmetrical profiled grinding wheels, the long sink holes of the symmetrical profiled grinding wheels are respectively fixedly connected to connecting sleeves, a group of semicylindrical holes and a group of semispherical holes are respectively arranged in the symmetrical connecting sleeves, each semicylindrical hole is respectively communicated with the corresponding semispherical hole, and each steel ball is respectively matched with the corresponding semicylindrical hole and semispherical hole region; the lower ends of the long sink holes of the symmetrical profiled grinding wheels are respectively provided with the upper parts of mounting shafts, the symmetrical mounting shafts are respectively fixedly connected to the corresponding connecting sleeves, lock nuts are arranged in the lower end mounting holes of the symmetrical profiled grinding wheels, the symmetrical lock nuts are respectively threadedly connected to the corresponding mounting shafts, and the symmetrical mounting shafts are respectively fixedly connected to the corresponding transmission shafts through springs.
[0007] As a further limitation of the technical solution, the power assembly includes a power assembly, the output shaft of the power assembly is connected with the driving wheel, the symmetrical transmission shafts are respectively fixedly connected with the power wheels, the rack is detachably fixedly connected with the symmetrical tensioner seats, and the symmetrical tensioner seats are respectively bearing-connected with the tensioners.
[0008] As a further limitation of the technical solution, the power assembly includes a power assembly, the output shaft of the power assembly is connected with the driving wheel, the symmetrical transmission shafts are respectively fixedly connected with the power wheels, the rack is detachably fixedly connected with the symmetrical tensioner seats, and the symmetrical tensioner seats are respectively bearing-connected with the tensioners.
[0009] As a further limitation of the technical solution, the power assembly includes a power assembly, the output shaft of the power assembly is connected with the driving wheel, the symmetrical transmission shafts are respectively fixedly connected with the power wheels, the rack is detachably fixedly connected with the symmetrical tensioner seats, and the symmetrical tensioner seats are respectively bearing-connected with the tensioners.
[0010] As a further limitation of the technical solution, the power assembly includes a power assembly, the output shaft of the power assembly is connected with the driving wheel, the symmetrical transmission shafts are respectively fixedly connected with the power wheels, the rack is detachably fixedly connected with the symmetrical tensioner seats, and the symmetrical tensioner seats are respectively bearing-connected with the tensioners.
[0011] As a further limitation of the technical solution, the power assembly includes a power assembly, the output shaft of the power assembly is connected with the driving wheel, the symmetrical transmission shafts are respectively fixedly connected with the power wheels, the rack is detachably fixedly connected with the symmetrical tensioner seats, and the symmetrical tensioner seats are respectively bearing-connected with the tensioners.
[0012] As a further limitation of the technical solution, the power assembly includes a power assembly, the output shaft of the power assembly is connected with the driving wheel, the symmetrical transmission shafts are respectively fixedly connected with the power wheels, the rack is detachably fixedly connected with the symmetrical tensioner seats, and the symmetrical tensioner seats are respectively bearing-connected with the tensioners.
[0013] As a further limitation of the technical solution, the power assembly includes a power assembly, the output shaft of the power assembly is connected with the driving wheel, the symmetrical transmission shafts are respectively fixedly connected with the power wheels, the rack is detachably fixedly connected with the symmetrical tensioner seats, and the symmetrical tensioner seats are respectively bearing-connected with the tensioners.
[0014] As a further limitation of the technical solution, the power assembly includes a power assembly, the output shaft of the power assembly is connected with the driving wheel, the symmetrical transmission shafts are respectively fixedly connected with the power wheels, the rack is detachably fixedly connected with the symmetrical tensioner seats, and the symmetrical tensioner seats are respectively bearing-connected with the tensioners.
[0015] Compared with the prior art, the application has the following advantages and positive effects:
[0016] The rail waist polisher has high efficiency and high precision, simple overall structure, light weight, and is convenient for construction personnel to operate, greatly improves the convenience and flexibility of the rail waist polisher, effectively reduces the labor intensity and personal safety of operators, changes the slow speed of the angular polisher used in the past rail waist polishing, the large labor intensity of workers, improves the operation stability and rail waist polishing precision. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a schematic view of the three-dimensional structure of the present application Figure One .
[0018] Figure 2 is a schematic view of the three-dimensional structure of the present application Figure Two .
[0019] Figure 3 is a schematic view of the three-dimensional structure of the present application Figure One .
[0020] Figure 4 is a schematic view of the three-dimensional structure of the present application Figure One .
[0021] Figure 5 is a schematic view of the three-dimensional structure of the present application Figure Two .
[0022] Figure 6 is a schematic view of the three-dimensional structure of the present application Figure Three .
[0023] Figure 7 is a schematic view of the three-dimensional structure of the present application Figure One .
[0024] Figure 8 is a schematic view of the three-dimensional structure of the present application
[0025] Figure 9 is a schematic view of the three-dimensional structure of the present application Figure Two .
[0026] In the figure:
[0027] 1, rack assembly, 11, belt protective cover, 12, handle slot, 13, rack, 14, operating handle, 15, guide positioning wheel, 16, guide positioning wheel seat, 17, rear walking wheel, 18, U seat, 19, front walking wheel, 110, height adjusting stud, 111, stud through hole, 112, T pin shaft, 113, adjusting hole;
[0028] 2, power assembly, 21, power assembly, 22, driving wheel, 23, tensioning wheel, 24, power wheel, 25, tensioning wheel seat;
[0029] 3. Separation clamping device, 31. Separation clamping device handle, 32. Separator;
[0030] 4. Universal elastic polishing assembly, 41. Grinding wheel support arm, 42. Transmission shaft, 43. Profiling grinding wheel, 44. Steel ball, 45. Installation shaft, 46. Spring, 47. Connection sleeve, 48. Half spherical hole, 49. Half cylindrical hole, 410. Grinding wheel protective cover, 411. Locking nut;
[0031] 5. Feed adjusting device, 51. Push plate, 52. Adjusting seat, 53. Screw motor. DETAILED DESCRIPTION
[0032] One specific embodiment of the present application will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of protection of the present application is not limited by the specific embodiment.
[0033] The present application comprises: a rack assembly 1, the rack assembly 1 comprising a rack 13; a universal elastic polishing assembly 4, the universal elastic polishing assembly 4 comprising symmetrical grinding wheel support arms 41, the rear ends of the symmetrical grinding wheel support arms 41 being respectively rotatably connected to the rack 13, the front ends of the symmetrical grinding wheel support arms 41 being respectively bearing-connected to transmission shafts 42, the symmetrical transmission shafts 42 being respectively connected to a set of steel balls 44; the universal elastic polishing assembly 4 further comprising symmetrical profiling grinding wheels 43, the long sunk holes of the symmetrical profiling grinding wheels 43 being respectively fixedly connected to connection sleeves 47, a set of half cylindrical holes 49 and a set of half spherical holes 48 being respectively arranged in the symmetrical connection sleeves 47, each half cylindrical hole 49 being respectively communicated with the corresponding half spherical hole 48, each steel ball 44 being respectively matched with the corresponding half cylindrical hole 49 and half spherical hole 48 to form a region; the lower ends of the long sunk holes of the symmetrical profiling grinding wheels 43 being respectively provided with upper portions of installation shafts 45, the symmetrical installation shafts 45 being respectively fixedly connected to the corresponding connection sleeves 47, the lower end mounting holes of the symmetrical profiling grinding wheels 43 being provided with locking nuts 411, the symmetrical locking nuts 411 being respectively threadedly connected to the corresponding installation shafts 45, the symmetrical installation shafts 45 being respectively fixedly connected to the corresponding transmission shafts 42 through springs 46.
[0034] The profiling grinding wheel 43 is sequentially provided with an upper sunk hole, a middle through hole and a mounting hole from top to bottom, the connection sleeve 47 and the upper portion of the installation shaft 45 being arranged in the upper sunk hole, the installation shaft 45 being a T-shaped cylinder, the lower portion of the installation shaft 45 being small in diameter and arranged in the middle through hole, and the locking nut 411 being an inverted T shape.
[0035] The connecting sleeve 47 is provided with three-stage through holes with gradually increasing inner diameters from top to bottom, the transmission shaft 43 passes through the uppermost through hole, the semi-cylindrical hole 49 and the semi-spherical hole 48 are arranged on the sidewall of the corresponding second-stage through hole, and the upper part of the mounting shaft 45 is arranged in the third-stage through hole.
[0036] The power assembly 21 is selected as an imported internal combustion engine with excellent performance as the local power.
[0037] The power assembly 21 is selected as an imported internal combustion engine with excellent performance as the local power.
[0038] Two synchronous belts respectively surround the driving wheel 22 and the power wheel 24, and the two tensioning wheels 23 are in contact with the synchronous belts to adjust the tightness of the synchronous belts.
[0039] The power assembly 21 is selected as an imported internal combustion engine with excellent performance as the local power.
[0040] The feeding adjusting device 5 includes symmetrical adjusting seats 52, the adjusting seats 52 are respectively fixedly connected with the rack 13, the adjusting seats 52 are respectively fixedly connected with lead screw motors 53, the lead screws of the lead screw motors 53 are respectively fixedly connected with push plates 51, and the push plates 51 are matched with the sand wheel support arms 41.
[0041] The power assembly 21 is selected as an imported internal combustion engine with excellent performance as the local power.
[0042] The power assembly 21 is selected as an imported internal combustion engine with excellent performance as the local power.
[0043] In order to realize the problem of on-site power generation without power supply, the power assembly 21 selects an imported internal combustion engine (or a direct current motor powered by a lithium battery) with excellent performance as the power of the machine.
[0044] The workflow of the present application is as follows.
[0045] The power assembly 21 (using an internal combustion engine / drive motor) drives the clutch to rotate, the clutch drives the driving pulley 22 to rotate, the driving pulley drives the power pulley 24 to rotate through the synchronous belt, thereby driving the transmission shaft 42 to rotate, the transmission shaft 42 drives the steel ball 44 to rotate, the steel ball 44 drives the connecting sleeve 47 to rotate, thereby realizing high-speed rotation of the driving spring 46, the mounting shaft 45, the locking nut 411 and the profiling grinding wheel 43, so as to polish the rail waist.
[0046] In order to realize rapid rail waist polishing without clamping, the separation clamping device 3 can quickly realize the positioning of the high-efficiency high-precision rail waist double-side polishing machine on the working area of the rail, and realize the polishing operation on both sides of the rail waist. By swinging the handle 31 of the separation clamping device, the separator 32 is swung to contact the grinding wheel support arm 41, and then drives the grinding wheel support arm 41 to swing outward, so as to drive the profiling grinding wheel 43 to move away from the rail waist. During polishing, the screw rod motor 53 is controlled to work, the push plate 52 is extended, and then the push plate 52 contacts the grinding wheel support arm 41 to drive the grinding wheel support arm 41 to swing inward, so as to drive the profiling grinding wheel 43 to contact the rail waist.
[0047] In order to realize high-quality rapid polishing of the rail waist, the elastic polishing head is designed as a universal elastic coupling structure, which can automatically adjust the contact with the rail waist curvature surface, so as to realize the comprehensive coverage of the grinding wheel on the rail waist, so that the polishing operation is more stable and rapid, and the polishing effect is better. By setting the spring 46, the profiling grinding wheel 43 can move along the length direction of the rail to realize the automatic adjustment of the contact between the profiling grinding wheel 43 and the rail waist curvature surface.
[0048] In order to realize power transmission in a narrow space, the power pulley 24 is installed on the transmission shaft 42 of the grinding wheel support arm 41, and the tension pulley 23 is used to ensure the tension of the synchronous belt, so as to better conduct kinetic energy, that is, to realize the flexible rotation of the grinding wheel support arm 41 and the transmission of power.
[0049] Embodiment two: This embodiment is further described on the basis of embodiment one, the machine frame 13 is connected with the rear walking wheel 17 through a bearing, the machine frame 13 is fixedly connected with the U-shaped seat 18, and the U-shaped seat 18 is connected with the front walking wheel 19 through a bearing. The whole machine can walk on the rail through the walking wheels.
[0050] The machine frame 13 is detachably fixedly connected with two symmetrical guide positioning wheel seats 16, and each guide positioning wheel seat 16 is connected with a guide positioning wheel 15 through a bearing.
[0051] In order to solve the problem of carrying in the conversion of the work site, the rail waist double-side grinding machine with high grinding precision can be pushed and pulled on the rail surface, so as to quickly reach the next work site.
[0052] Embodiment three: this embodiment is further described on the basis of embodiment one or two, the rack 13 is fixedly connected with symmetrical T pin shafts 112, the upper side of the rack 13 is provided with a belt guard 11, the belt guard 11 is provided with symmetrical adjusting holes 113, and the symmetrical T pin shafts 112 are respectively arranged in the corresponding adjusting holes 113, and the belt guard 11 is provided with a handle groove 12 corresponding to the symmetrical separation clamping device handles 31.
[0053] The U-shaped seat 18 is fixedly connected with height adjusting studs 110, the belt guard 11 is provided with stud through holes 111 corresponding to the height adjusting studs 110, and the height adjusting studs 110 are respectively threadedly connected with fixed nuts corresponding to the two sides of the belt guard 11.
[0054] The above only discloses specific embodiments of the present application, but the present application is not limited thereto, and any changes that can be thought of by those skilled in the art shall fall within the protection scope of the present application.
Claims
1. A railway rail rail waist double side grinding machine, characterized in that, Include: Rack assembly (1), the rack assembly (1) includes rack (13); Universal elastic polishing assembly (4), the universal elastic polishing assembly (4) includes symmetrical grinding wheel support arm (41), the rear end of symmetrical grinding wheel support arm (41) is rotatably connected to the rack (13) respectively, the front end of symmetrical grinding wheel support arm (41) is bearing connected to transmission shaft (42) respectively, symmetrical transmission shaft (42) is connected to a group of steel ball (44) respectively; The universal elastic polishing assembly (4) further includes symmetrical profiling grinding wheel (43), the long sink hole of symmetrical profiling grinding wheel (43) is fixedly connected to connecting sleeve (47) respectively, a group of semicylindrical hole (49) and a group of semisphere hole (48) are arranged in symmetrical connecting sleeve (47) respectively, each semicylindrical hole (49) is respectively communicated with corresponding semisphere hole (48), and each steel ball (44) is respectively matched with corresponding semicylindrical hole (49) and semisphere hole (48) in the region; The lower end of the long sink hole of symmetrical profiling grinding wheel (43) is provided with the upper part of mounting shaft (45) respectively, symmetrical mounting shaft (45) is fixedly connected to corresponding connecting sleeve (47) respectively, locking nut (411) is arranged in the lower end mounting hole of symmetrical profiling grinding wheel (43), symmetrical locking nut (411) is threadedly connected to corresponding mounting shaft (45) respectively, and symmetrical mounting shaft (45) is fixedly connected to corresponding transmission shaft (42) through spring (46) respectively; Further include power assembly (2), the power assembly (2) includes power assembly (21), the output shaft of power assembly (21) is connected to driving wheel (22), symmetrical transmission shaft (42) is fixedly connected to power wheel (24) respectively, and the rack (13) is detachably connected to symmetrical tensioner seat (25), and symmetrical tensioner seat (25) is bearing connected to tensioner (23) respectively; Further include separation clamping device (3), the separation clamping device (3) includes symmetrical separation clamping device handle (31), symmetrical separation clamping device handle (31) is rotatably connected to the rack (13) respectively, symmetrical separation clamping device handle (31) is fixedly connected to separator (32) respectively, and symmetrical separator (32) is matched with symmetrical grinding wheel support arm (41); Further include feed adjusting device (5), the feed adjusting device (5) includes symmetrical adjusting seat (52), symmetrical adjusting seat (52) is fixedly connected to the rack (13) respectively, symmetrical adjusting seat (52) is fixedly connected to lead screw motor (53) respectively, the lead screw of symmetrical lead screw motor (53) is fixedly connected to push plate (51), and symmetrical push plate (51) is matched with symmetrical grinding wheel support arm (41).
2. The rail rail flank double side grinder according to claim 1, characterized in that: The rack (13) is fixedly connected with symmetrical T-shaped pin shafts (112), the upper side of the rack (13) is provided with a belt protection cover (11), the belt protection cover (11) is provided with symmetrical adjusting holes (113), and the symmetrical T-shaped pin shafts (112) are arranged in the corresponding adjusting holes (113) respectively, and the belt protection cover (11) is provided with handle grooves (12) corresponding to the symmetrical separation clamping device handles (31).
3. The rail rail flank double side grinder according to claim 1, characterized in that: The rack (13) is connected with rear walking wheels (17) through bearings, the rack (13) is fixedly connected with a U-shaped seat (18), and the U-shaped seat (18) is connected with front walking wheels (19) through bearings.
4. The rail rail flank double side grinder according to claim 1, characterized in that: The rack (13) is detachably connected with two symmetrical guide positioning wheel seats (16), and each guide positioning wheel seat (16) is connected with a guide positioning wheel (15) through bearings.
5. The rail rail flank double side grinder according to claim 1, characterized in that: The symmetrical grinding wheel supporting arms (41) are fixedly connected with grinding wheel protection covers (410) corresponding to the corresponding profiling grinding wheels (43).
6. The rail rail flank double side grinder according to claim 1, characterized in that: The rack (13) is fixedly connected with an operation handle (14).
Citation Information
Patent Citations
Rail web grinding machine for steel rail of railroad
CN103215864A
Polishing type steel rail side grinding machine with centrally-arranged tooth-driven profiling grinding wheel
CN117702555A