Lithium battery steel rail profiling grinding machine

By designing a lithium battery rail profile grinder, using lithium batteries as a power supply, combined with the lifting mechanism and the design of the pushing handrail, the existing grinders have solved the problems of high noise, high dust and serious exhaust emissions, and achieved a more environmentally friendly and sustainable rail grinding process.

CN222594491UActive Publication Date: 2025-03-11SHANDONG ZHIWO RAIL TRANSIT EQUIP CO LTD
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Patent Information

Application Number
CN202421276403.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-03-11
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The existing rail grinding wheel weld grinding machines have high noise, high dust and severe exhaust emissions, which have affected environmental pollution and workers' health.

Method used

A lithium battery rail profile grinder is designed, using lithium batteries as the power supply, and the grinding components are flexibly moved and angled adjustment through lifting mechanisms and pushing handrails. The electrical control box is connected to the pushing handrail or base through a detachable structure.

Benefits of technology

The lithium-ion rail profile grinder reduces noise and dust emissions, reduces exhaust emissions, improves the safety and sustainability of the working environment, and is suitable for mobility maintenance operations on railway lines.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides a lithium battery steel rail profiling grinding machine which comprises a base, a grinding wheel and a grinding wheel. The polishing assembly is arranged on the base; the lifting mechanism is connected with the base and the grinding assembly and used for lifting the grinding assembly; the pushing handrail is connected with the base and used for pushing the base to move and adjusting the angle of the polishing assembly; and the electric control box is connected to the pushing handrail or the base. The lithium battery steel rail profiling grinding machine adopts the lithium battery as a power supply, so that the grinding machine has portability, does not need to depend on an external power supply, can be used at each position of a railway line, is particularly suitable for maintenance operation needing mobility, and meanwhile, as the lithium battery is adopted as the power supply, compared with a traditional fuel oil or power grid power supply mode, the grinding machine is more convenient to use. The method has better environmental protection property and energy saving property, reduces the influence on the environment, and meets the requirements of the modern society on sustainable development.
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Description

Technical Field

[0001] The utility model embodiment relates to the field of rail grinding machines, and in particular to a lithium-powered rail profiling grinding machine. Background Art

[0002] With the continuous expansion and upgrading of urban rail transit and high-speed rail networks, rails are a key component of the railway transportation system, and their surface quality directly affects the safety of train operation and riding comfort. During long-term use, rails will produce defects such as wear, cracks, and wave wear due to the pressure, friction, and environmental factors of train wheels. These problems require welding of rails. After online welding and welding repair of railway rails, the welds need to be polished to make the surface of the rails smooth.

[0003] However, the existing rail wheel weld grinder uses an internal combustion engine as a drive, which causes large vibrations during the grinding process, affecting the grinding quality of the rail surface; at the same time, it causes large noise, large dust, and serious exhaust emissions, causing environmental pollution and seriously affecting the health of workers. Summary of the invention

[0004] In order to solve the above-mentioned technical problems of high noise, large dust and serious exhaust emission, the utility model provides a lithium-ion rail profiling grinder, comprising:

[0005] A base, used to carry various parts;

[0006] A grinding assembly, disposed on the base;

[0007] A lifting mechanism, connected to the base and the grinding assembly, for lifting and lowering the grinding assembly;

[0008] A push armrest connected to the base, used to push the base to move and adjust the angle of the grinding assembly;

[0009] The electric control box is connected to the pushing handrail or the base.

[0010] As an optional solution of the technical solution of the utility model, the grinding assembly includes:

[0011] A grinding motor connected to the lifting mechanism;

[0012] A grinding wheel, arranged at the driving end of the grinding motor;

[0013] The lithium battery is electrically connected to the grinding motor to provide power for the grinding motor.

[0014] As an optional solution of the technical solution of the utility model, the lifting mechanism includes:

[0015] A motor mounting plate, used for carrying a grinding motor, wherein a driving end of the grinding motor passes through the motor mounting plate and is connected to a grinding wheel;

[0016] Screw rod assemblies are arranged on both sides of the grinding motor and are threadedly connected to the motor mounting plate;

[0017] A driven wheel, disposed at one end of the screw assembly;

[0018] A driving wheel connected to the driven wheel via a transmission belt;

[0019] A hand wheel is connected to the driving wheel and is used to drive the driving wheel to rotate.

[0020] As an optional solution of the technical solution of the utility model, the screw assembly includes:

[0021] A transmission rod, one end of which is connected to the driven wheel;

[0022] An external threaded sleeve, one end of which is sleeved on the other end of the transmission rod, and the other end of the external threaded sleeve is rotatably connected to the base;

[0023] An internal thread sleeve is provided at a position of the motor mounting plate corresponding to the external thread sleeve. The internal thread sleeve is sleeved on the outer wall of the external thread sleeve and is threadedly connected with the external thread sleeve.

[0024] As an optional solution to the technical solution of the utility model, the transmission rod is provided with a mounting plate for mounting a driving wheel and a handwheel near the driven wheel, and the driven wheel, the driving wheel and the transmission belt are provided with protective covers. A protective outer cylinder is connected to the mounting plate, and the protective outer cylinder is sleeved on the outside of the transmission rod and the internal threaded sleeve.

[0025] As an optional solution of the technical solution of the utility model, the electric control box is connected to the push armrest or the base through a detachable structure.

[0026] As an optional solution of the technical solution of the utility model, the detachable structure includes:

[0027] A positioning member, arranged on the pushing handrail or the base, wherein the cross section of the positioning member is trapezoidal, and the area of ​​a first end surface of the positioning member away from the pushing handrail or the base is larger than the area of ​​a second end surface of the positioning member close to the pushing handrail or the base;

[0028] A mounting groove is provided on one side of the electric control box, the mounting groove comprises a slot and a positioning groove connected to the slot, the slot opening area of ​​the mounting groove is greater than or equal to the area of ​​the first end surface, the slot opening area of ​​the positioning groove is smaller than the slot bottom area of ​​the positioning groove, and the positioning groove is interference fit with the positioning member;

[0029] The positioning member is inserted into the slot and slides toward the positioning groove, so that the positioning member is fixed in the positioning groove.

[0030] As an optional solution of the technical solution of the utility model, it also includes a lighting device, which is electrically connected to the electric control box.

[0031] As an optional solution of the technical solution of the utility model, a protective plate is provided on the outer side of the grinding wheel.

[0032] As an optional solution of the technical solution of the utility model, the walking mechanism includes a walking wheel, a first pulley and a second pulley, the walking wheel contacts the upper surface of the rail, and the first pulley and the second pulley contact the two sides of the rail respectively.

[0033] The beneficial effects of the utility model are:

[0034] (1) The lithium-ion rail profiling grinder of the utility model uses lithium batteries as a power source, making the grinder portable and not requiring external power supply. It can be used at various locations along the railway line and is particularly suitable for maintenance operations that require mobility. In addition, since lithium batteries are used as a power source, it is more environmentally friendly and energy-efficient than traditional fuel or grid power supply methods, reducing the impact on the environment and meeting the requirements of modern society for sustainable development.

[0035] (2) The lifting mechanism of the lithium-ion rail profiling grinder of the utility model adopts a double-screw lifting assembly located on both sides of the grinding motor, which has good lifting stability. In addition, a protective cover is provided outside the transmission system of the lifting mechanism, namely the driven wheel, the driving wheel, and the transmission belt, and a protective outer cylinder is provided outside the transmission rod and the internal threaded sleeve, which can prevent impurities from entering the lifting mechanism and affecting the normal operation of the lifting mechanism;

[0036] (3) The walking mechanism is provided with a first pulley and a second pulley on both sides of the rail, so that the grinder is more stable when adjusting the angle. At the same time, the first pulley and the second pulley are connected to the base through an arc-shaped adjustment hole 1. The angle and distance between the first pulley and the second pulley and the rail can be adjusted through the arc-shaped adjustment hole, which has a wider range of adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0038] Figure 2 This is a schematic diagram of the structure of the embodiment of the utility model after removing the protective cover, protective outer cylinder and rails;

[0039] Figure 3 yes Figure 1 Schematic diagram of the structure at A in the middle;

[0040] Figure 4This is a schematic diagram of the local structure of the embodiment of the utility model Figure 1 ;

[0041] Figure 5 yes Figure 4 Schematic diagram of the structure at B in the middle;

[0042] Figure 6 This is a schematic diagram of the local structure of the embodiment of the utility model Figure 2 .

[0043] Among them, 1-base; 11-walking mechanism; 110-walking wheel; 111-first pulley; 112-second pulley; 121-first connecting piece; 122-second connecting piece; 123-fixing hole; 124-arc-shaped adjustment hole; 2-grinding assembly; 21-grinding motor; 22-protective plate; 23-grinding wheel; 3-lifting mechanism; 31-screw assembly; 311-transmission rod; 312-external threaded sleeve; 32-driven wheel; 33-driving wheel; 34-handwheel; 35-mounting plate; 36-transmission belt; 37-protective cover; 38-protective outer cylinder; 4-pushing handrail 41-positioning piece; 52-electric control box; 521-slot; 522-positioning groove; 53-lighting device; 6-rail. DETAILED DESCRIPTION

[0044] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0045] The lithium battery rail profiling grinder comprises: a base 1, a grinding assembly 2, a lifting mechanism 3, a pushing handrail 4 and an electric control box 52; wherein the base 1 is used to carry various parts, and a walking wheel 11 is provided on the base; the grinding assembly 2 is arranged on the base 1, and is used to grind the rail; the lifting mechanism 3 is connected to the base 1 and the grinding assembly 2, and is used to lift and lower the grinding assembly 2; the pushing handrail 4 is connected to the base 1, and is used to push the base 1 to move, and adjust the angle of the grinding assembly when the staff applies force, so that the grinding assembly rotates around the surface of the rail and grinds different sides of the rail; the electric control box 52 is connected to the pushing handrail 4 or the base 1.

[0046] Specifically, the grinding assembly 2 includes: a grinding motor 21, a grinding wheel 23 and a lithium battery; wherein the grinding motor 21 is connected to the lifting mechanism 3; the grinding wheel 23 is arranged at the driving end of the grinding motor 21; and the lithium battery is electrically connected to the grinding motor 21 to provide power for the grinding motor. In this embodiment, the lithium battery is not shown in the figure. The lithium battery can be carried by the staff or installed on the base. The use of the lithium battery as a power source can reduce the noise of the grinder, and there is no exhaust emission, thereby avoiding pollution to the environment.

[0047] As a preferred solution of this embodiment, the lifting mechanism 3 includes: a motor mounting plate 32, a screw assembly 31, a driven wheel 39, a driving wheel 33 and a handwheel 34; wherein: the motor mounting plate 32 is used to support the grinding motor 21, and the driving end of the grinding motor 21 passes through the motor mounting plate 32 and is connected to the grinding wheel 23; the screw assembly 31 is arranged on both sides of the grinding motor 21 and is threadedly connected to the motor mounting plate 32; the driven wheel 39 is arranged at one end of the screw assembly 31; the driving wheel 33 and the driven wheel 39 are connected by a transmission belt 36; the handwheel 34 is connected to the driving wheel 33, and is used to drive the driving wheel 33 to rotate. When the grinding assembly 2 needs to be raised or lowered, the hand wheel 34 is turned to drive the driving wheel 33 to rotate. There are two driving wheels 33, which are respectively connected to the driven wheels 39 on the screw assemblies on both sides of the grinding motor 21 through the transmission belt 36, so that the screw assemblies on both sides of the grinding motor 21 rotate synchronously, and the motor mounting plate 32 makes synchronous linear motion on the screw assembly, driving the grinding motor 21 to move, and the movement stability of the grinding motor 21 is high.

[0048] As a preferred solution of this embodiment, the screw assembly 31 includes: a transmission rod 311 and an external threaded sleeve 312; wherein one end of the transmission rod 311 is connected to the driven wheel 39;

[0049] One end of the external thread sleeve 312 is sleeved on the other end of the transmission rod 311, and the other end of the external thread sleeve 312 is rotatably connected to the base 1; the motor mounting plate 32 is provided with an internal thread sleeve 321 at a position corresponding to the external thread sleeve 312, and the internal thread sleeve 321 is sleeved on the outer wall of the external thread sleeve 312 and is threadedly connected to the external thread sleeve 312. When the transmission rod rotates under the drive of the hand wheel 34, the external thread sleeve 312 is driven to rotate, so that the internal thread sleeve 321 drives the grinding motor on the motor mounting plate 32 to move along the direction of the external thread sleeve 312.

[0050] In order to prevent impurities from entering the lifting mechanism and affecting the normal operation of the lifting mechanism, a mounting plate 35 for mounting the driving wheel 33 and the hand wheel 34 is provided near the driven wheel 39 of the transmission rod 311. The driven wheel 39, the driving wheel 33 and the transmission belt 36 are provided with a protective cover 37. The protective cover 37 is arranged on the mounting plate 35. In addition, a protective outer tube 38 is connected to the mounting plate 35. The protective outer tube is sleeved on the outside of the transmission rod 311 and the internal threaded sleeve 321.

[0051] As a preferred solution of this embodiment, the electric control box 52 is connected to the push armrest 4 or the base 1 through a detachable structure. The detachable structure includes: a positioning member 41 and a mounting groove.

[0052] The positioning member 41 is arranged on the pushing armrest 4 or the base 1, the cross-section of the positioning member 41 is trapezoidal, and the area of ​​the first end face of the positioning member 41 away from the pushing armrest 4 or the base 1 is larger than the area of ​​the second end face of the positioning member 41 close to the pushing armrest 4 or the base 1; the installation groove is opened on one side of the electric control box 52 device, the installation groove includes a slot 521 and a positioning groove 522 connected to the slot 521, the slot area of ​​the installation groove is greater than or equal to the area of ​​the first end face, the slot area of ​​the positioning groove 522 is smaller than the area of ​​the bottom of the positioning groove 522, and the positioning groove 522 is interference fit with the positioning member 41; the positioning member 41 is inserted into the slot 521 and slides toward the positioning groove 522 so that the positioning member 41 is fixed in the positioning groove 522.

[0053] In order to realize rail grinding work in special environments, the lithium battery rail profiling grinder also includes a lighting device 53 , and the lighting device 53 is electrically connected to the electric control box 52 .

[0054] In order to prevent the splashing of debris during the grinding process, a protective plate 22 is provided on the outer side of the grinding wheel 23 .

[0055] As a preferred solution of this embodiment, the walking mechanism 11 includes a walking wheel 110, a first pulley 111 and a second pulley (112), wherein the walking wheel (110) contacts the upper surface of the rail (6), and the first pulley (111) and the second pulley (112) contact the two sides of the rail (6) respectively. The first pulley 111 and the second pulley 112, the area of ​​the first pulley 111 is larger than the area of ​​the second pulley 112; in addition, the walking wheel 11 is connected to the base 1 through an adjustment component; the adjustment component includes a first connecting member 121 connected to the pulley and a second connecting member 122 connected to the base 1, wherein the second connecting member 122 is provided with a fixing hole 123 and an arc-shaped adjustment hole 124, and the angle and distance between the first pulley 111 and the second pulley 112 and the rail 6 are adjusted through the arc-shaped adjustment hole 124.

[0056] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. Lithium-ion rail profiling grinding machine, characterized in that: include: A base (1) is used to carry various parts, and a walking mechanism (11) is provided on the base (1); A grinding assembly (2) is arranged on the base (1); A lifting mechanism (3) connected to the base (1) and the grinding assembly (2) and used for lifting and lowering the grinding assembly (2); A push arm (4) connected to the base (1) and used to push the base (1) to move and adjust the angle of the grinding assembly; The electric control box (52) is connected to the pushing armrest (4) or the base (1).

2. The lithium-ion rail profiling grinder according to claim 1, characterized in that: The grinding assembly (2) comprises: A grinding motor (21) connected to the lifting mechanism (3); A grinding wheel (23), arranged at a driving end of the grinding motor (21); A lithium battery is electrically connected to the grinding motor (21) to provide power for the grinding motor.

3. The lithium battery rail profiling grinder according to claim 2, characterized in that: The lifting mechanism (3) comprises: A motor mounting plate (32) for supporting a grinding motor (21), wherein a driving end of the grinding motor (21) passes through the motor mounting plate (32) and is connected to a grinding wheel (23); Screw rod assemblies (31) are arranged on both sides of the grinding motor (21) and are threadedly connected to the motor mounting plate (32); A driven wheel (39) is disposed at one end of the screw assembly (31); A driving wheel (33) is connected to the driven wheel (39) via a transmission belt (36); The hand wheel (34) is connected to the driving wheel (33) and is used to drive the driving wheel (33) to rotate.

4. The lithium battery rail profiling grinder according to claim 3, characterized in that: The screw assembly (31) comprises: A transmission rod (311), one end of which is connected to the driven wheel (39); An external threaded sleeve (312), one end of which is sleeved on the other end of the transmission rod (311), and the other end of the external threaded sleeve (312) is rotatably connected to the base (1); An internal thread sleeve (321) is provided at a position of the motor mounting plate (32) corresponding to the external thread sleeve (312); the internal thread sleeve (321) is sleeved on the outer wall of the external thread sleeve (312) and is threadably connected to the external thread sleeve (312).

5. The lithium battery rail profiling grinder according to claim 4, characterized in that: A mounting plate (35) for mounting a driving wheel (33) and a hand wheel (34) is provided near the driven wheel (39) of the transmission rod (311); a protective cover (37) is provided outside the driven wheel (39), the driving wheel (33) and the transmission belt (36); the protective cover (37) is connected to the mounting plate (35); a protective outer cylinder (38) is connected to the mounting plate (35); and the protective outer cylinder (38) is sleeved on the outside of the transmission rod (311) and the internal threaded sleeve (321).

6. The lithium battery rail profiling grinder according to claim 1, characterized in that: The electric control box (52) is connected to the push armrest (4) or the base (1) via a detachable structure.

7. The lithium-ion rail profiling grinder according to claim 6, characterized in that: The detachable structure comprises: A positioning member (41) is arranged on the pushing handrail (4) or the base (1), the cross section of the positioning member (41) is trapezoidal, and the area of ​​a first end surface of the positioning member (41) away from the pushing handrail (4) or the base (1) is larger than the area of ​​a second end surface of the positioning member (41) close to the pushing handrail (4) or the base (1); A mounting groove is provided on one side of the electric control box (52), the mounting groove comprising a slot (521) and a positioning groove (522) connected to the slot (521), the slot opening area of ​​the mounting groove being greater than or equal to the area of ​​the first end surface, the slot opening area of ​​the positioning groove (522) being smaller than the slot bottom area of ​​the positioning groove (522), and the positioning groove (522) and the positioning member (41) being interference fit; The positioning member (41) is inserted into the slot (521) and slides toward the positioning groove (522), so that the positioning member (41) is fixed in the positioning groove (522).

8. The lithium-ion rail profiling grinder according to claim 1, characterized in that: It also includes a lighting device (53), wherein the lighting device (53) is electrically connected to the electric control box (52).

9. The lithium-ion rail profiling grinder according to claim 2, characterized in that: A protective plate (22) is provided on the outer side of the grinding wheel (23).

10. The lithium-ion rail profiling grinder according to claim 2, characterized in that: The walking mechanism (11) comprises a walking wheel (110), a first pulley (111) and a second pulley (112); the walking wheel (110) contacts the upper surface of the steel rail (6); and the first pulley (111) and the second pulley (112) contact both sides of the steel rail (6) respectively.