Tramcar turnout grinding machine

Abstract

The tramcar turnout grinding machine comprises a moving mechanism, a grinding mechanism and a diesel generator, and the grinding mechanism and the diesel generator are arranged above the moving mechanism; the moving mechanism comprises moving wheels and sliding wheels, the moving wheels are used for driving the whole machine to move in the length direction of the switch rail base, and the sliding wheels are used for driving the grinding mechanism to slide in the width direction of the switch rail base; the grinding mechanism comprises a swing pipe, a lifting strip, a motor and a grinding disc, the motor drives the grinding disc to rotate at a high speed to grind an abrasion area on the outer side of the switch rail base, and in the grinding process, the angle of the grinding disc is adjusted through the swing pipe, and the height of the grinding disc is adjusted through the lifting strip; and the diesel generator supplies power to the motor. The grinding machine has the advantages of flexible movement, flexible adjustment, independent power supply and the like, and is particularly suitable for maintenance of heavy-load, high-speed and complex curve turnouts.

Description

Technical Field

[0001] The invention relates to the technical field of railway maintenance, in particular to a tramway switch grinding machine. Background Art

[0002] When a wheel passes over a rail point, prolonged rolling contact with the rail creates a saddle-shaped wear cross-section, resulting in a false flange. Due to the small contact area and high pressure per unit area, the false flange can easily crush the outer side of the rail point, causing various defects that affect driving safety.

[0003] While standard rails have a consistent cross-section, the rail seat has a non-standard cross-section. Grinding the outer wear area of ​​the rail seat can only be done manually with an angle grinder, which is inefficient, labor-intensive, and uneven, compromising the long-term safety and stability of the product. This is especially true for products already in service, where limited maintenance windows may lead to inadequate maintenance, indirectly impacting the product's service life and compromising its long-term safety and stability.

[0004] However, the traditional tramway switch grinding equipment has the following deficiencies in practical applications:

[0005] 1. Inconvenient mobility: Most existing equipment adopts a fixed or semi-fixed design, which makes it difficult to flexibly adapt to turnout tracks with different curve radii, especially difficult to operate on complex curved turnouts.

[0006] 2. Inaccurate adjustment: The height and angle adjustment of the grinding head are not flexible enough, making it difficult to accurately fit the complex curved surface shape of the outer side of the pointed rail seat, resulting in poor grinding effect and affecting the grinding quality.

[0007] 3. No cooling system: During long-term high-speed grinding, the lack of effective cooling measures can easily lead to overheating and damage of the grinding disc or annealing of the material, shortening the tool life and reducing grinding efficiency.

[0008] 4. Complex structure: Existing equipment usually requires external power supply, which increases the complexity and difficulty of on-site operations, especially when used in the wild or remote areas.

[0009] In view of the above problems, there is an urgent need for a tram switch grinding equipment that can be flexibly moved, accurately adjusted, has its own cooling system, and independent power supply to meet the maintenance needs of modern railway systems. Summary of the Invention

[0010] The object of the present invention is to provide a tramway switch grinding machine to solve the above-mentioned defects caused by the prior art.

[0011] A tramway switch grinding machine comprises a moving mechanism, a grinding mechanism and a diesel generator, wherein:

[0012] The grinding mechanism and the diesel generator are arranged above the moving mechanism;

[0013] The moving mechanism includes moving wheels and sliding wheels. The moving wheels are used to drive the whole machine to move along the length direction of the switch rail seat, and the sliding wheels are used to drive the grinding mechanism to slide along the width direction of the switch rail seat;

[0014] The grinding mechanism includes a swinging pipe, a lifting bar, a motor and a grinding disc. The motor drives the grinding disc to rotate at a high speed to grind the worn area on the outer side of the switch rail seat. During the grinding process, the grinding disc realizes angle adjustment through the swinging pipe and height adjustment through the lifting bar;

[0015] The diesel generator provides power supply for the motor.

[0016] Preferably, the moving mechanism further includes support pipes, connecting pipes and a sliding frame. There are a pair of support pipes arranged in parallel. There are a pair of connecting pipes which are respectively connected to both ends of this pair of support pipes. The connecting pipes are in a "︹" shape structure and symmetrically connected with a pair of connecting plates at both ends. The lower side of each connecting plate is connected with an upper moving wheel. The two sides of the sliding frame are symmetrically connected with two pairs of sliding wheels, and the sliding wheels are slidably arranged above the support pipes on the same side.

[0017] Preferably, there are a pair of swinging pipes arranged in parallel. The lower ends of the swinging pipes are hinged to the sliding frame through rotating shafts. The upper ends of this pair of swinging pipes are jointly connected with a connecting bar. The center of the connecting bar is rotationally connected with a lead screw. The top end of the lead screw is key-connected with a hand wheel. The lifting bar is threadedly connected with the lead screw through a lead screw nut. The left and right ends of the lifting bar are parallelly connected with a pair of sliding bars, and the sliding bars are slidably connected to the swinging pipes on the same side through sliding blocks.

[0018] Preferably, a connecting shell is vertically connected below the lifting bar. A protective cover is fixedly connected to the bottom of the connecting shell. The motor is horizontally installed on the side wall of the protective cover. The grinding disc is connected to the output shaft of the motor through a connecting seat.

[0019] Preferably, a pair of connecting grooves along the width direction of the switch rail seat are distributed in parallel on the connecting plate.

[0020] Preferably, a pair of hinge seats are symmetrically connected to the outside of the connecting pipe. A lifting and placing rod is hinged on the hinge seats, and an anti-slip sleeve is sleeved on the lifting and placing rod.

[0021] Preferably, a "冂" - shaped push - pull rod is welded on the upper side of the sliding frame.

[0022] Preferably, a pair of reset springs are symmetrically arranged between the lower end of the swinging pipe and the sliding frame.

[0023] Preferably, a water tank is fixedly connected to the side wall of the connecting shell. A C-shaped water outlet pipe is connected to the bottom of the water tank, and a manual valve is provided on the water outlet pipe.

[0024] Compared with the prior art, the present invention has the following advantages:

[0025] 1. Flexible movement and precise positioning

[0026] Two pairs of front and rear guide wheels: The guide wheels are designed with single-sided rims. By adjusting the distance between the rims of the guide wheels, different turnout grinding requirements with different curve radii can be flexibly met, ensuring the stable operation of the whole machine.

[0027] Push rod and sliding frame: Through the design of the "冂"-shaped push rod and sliding frame, precise positioning of the grinding mechanism along the width direction of the switch rail seat is achieved, improving the flexibility of coverage of the grinding area.

[0028] 2. Multi-angle adjustment and efficient grinding

[0029] Swing pipe and return spring: The swing pipe is hinged to the sliding frame through a rotating shaft and equipped with a return spring to achieve angle adjustment of the grinding disc, ensuring the conforming grinding of the complex curved surface on the outside of the switch rail.

[0030] Screw rod and handwheel: By rotating the handwheel, the rotation of the screw rod is driven to achieve height adjustment of the grinding disc, adapting to different wear depths and track profile requirements, and improving the grinding accuracy.

[0031] 3. Independent power supply and cooling system

[0032] Diesel generator: The diesel generator provides independent power for the motor, without the need for an external power source, which is convenient for use in the field or remote areas, improving the mobility and operation efficiency of the equipment.

[0033] Water cooling system: The water tank and the water outlet pipe cooperate with the manual valve to instantaneously cool down during the grinding process, preventing the grinding disc from being damaged due to high temperature or material annealing, extending the tool life, and improving the grinding quality.

[0034] 4. Humanized design and convenient operation

[0035] Lifting rod and anti-slip sleeve: Lifting rods are provided at both ends of the equipment and equipped with anti-slip sleeves, which are convenient for manually lifting the whole machine for handling or crossing the track operation, improving the mobility and operation efficiency of the equipment.

[0036] In summary, through innovative design, the present invention realizes efficient, precise, safe and flexible on-site grinding operations for the worn area on the outside of the switch rail seat of the tram turnout, is particularly suitable for the maintenance scenarios of heavy-load, high-speed and complex curve turnouts, and effectively improves the quality and efficiency of turnout maintenance. Brief Description of the Drawings

[0037] Figure 1 It is a schematic structural diagram of the first perspective of the present invention as a whole.

[0038] Figure 2 It is a schematic structural diagram of the second viewing angle of the entire invention.

[0039] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the mobile mechanism.

[0040] Figure 4 It is a schematic diagram of the local three-dimensional structure of the moving mechanism.

[0041] Figure 5 It is a schematic diagram of the overall three-dimensional structure of the grinding mechanism.

[0042] Figure 6 It is a schematic diagram of the local three-dimensional structure of the grinding mechanism.

[0043] Figure 7 Schematic diagram of the structure that produces a saddle-shaped wear section for the wheel.

[0044] Figure 8 Schematic diagram of the structure when the worn wheel contacts the rail.

[0045] Figure 9 Schematic diagram of the structure when the worn wheel contacts the pointed rail seat.

[0046] Figure 10 Schematic diagram of the structure of the wear area outside the point rail seat.

[0047] in:

[0048] 10 - moving mechanism; 101 - supporting tube; 102 - connecting tube; 103 - connecting plate; 103a - connecting groove; 104 - moving wheel; 105 - hinged seat; 106 - lifting rod; 107 - anti-slip sleeve; 108 - sliding frame; 109 - sliding wheel; 110 - push-pull rod;

[0049] 20 - grinding mechanism; 201 - oscillating tube; 202 - rotating shaft; 203 - return spring; 204 - connecting bar; 205 - lead screw; 206 - handwheel; 207 - lead screw nut; 208 - lifting bar; 209 - sliding bar; 210 - sliding block; 211 - connecting shell; 212 - protective cover; 213 - motor; 214 - connecting seat; 215 - grinding disc; 216 - water tank; 217 - water outlet pipe; 218 - hand valve;

[0050] 30-Diesel generator. DETAILED DESCRIPTION

[0051] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0052] like Figures 1 to 10 As shown, a tramway switch grinding machine includes a moving mechanism 10, a grinding mechanism 20 and a diesel generator 30, wherein:

[0053] The polishing mechanism 20 and the diesel generator 30 are arranged above the moving mechanism 10;

[0054] The moving mechanism 10 includes a moving wheel 104 and a sliding wheel 109. The moving wheel 104 is used to drive the entire machine to move along the length direction of the point rail seat, and the sliding wheel 109 is used to drive the grinding mechanism 20 to slide along the width direction of the point rail seat.

[0055] The grinding mechanism 20 includes an oscillating tube 201, a lifting bar 208, a motor 213, and a grinding disc 215. The motor 213 drives the grinding disc 215 to rotate at high speed to grind the wear area outside the point rail seat. During the grinding process, the grinding disc 215 is adjusted in angle by the oscillating tube 201 and in height by the lifting bar 208.

[0056] The diesel generator 30 provides power to the electric motor 213 .

[0057] In this embodiment, the mobile mechanism 10 further includes a support tube 101, a connecting tube 102, and a sliding frame 108. The support tubes 101 are provided in a pair and arranged in parallel. The connecting tubes 102 are provided in a pair and are respectively connected to the two ends of the pair of support tubes 101. The connecting tubes 102 are of a "︹"-shaped structure and are symmetrically connected to a pair of connecting plates 103 at both ends. The lower side of each connecting plate 103 is connected to a moving wheel 104. The two sides of the sliding frame 108 are symmetrically connected to two pairs of sliding wheels 109, and the sliding wheels 109 are slidably arranged above the support tubes 101 on the same side. These moving wheels 104 are used to drive the entire machine to move along the length direction of the point rail seat, and these sliding wheels 109 are used to drive the grinding mechanism 20 to slide along the width direction of the point rail seat. The support tubes 101 and the connecting tubes 102 form a stable frame structure to ensure the smooth operation of the entire machine.

[0058] In this embodiment, there are a pair of swing tubes 201 arranged in parallel. The lower ends thereof are hinged to the sliding frame 108 through a rotating shaft 202. The upper ends of this pair of swing tubes 201 are jointly connected with a connecting bar 204. The center of the connecting bar 204 is rotationally connected with a lead screw 205. The top end of the lead screw 205 is key-connected with a hand wheel 206. The lifting bar 208 is threadedly connected with the lead screw 205 through a lead screw nut 207. The left and right ends of the lifting bar 208 are parallelly connected with a pair of sliding bars 209. The sliding bars 209 are slidably connected to the swing tube 201 on the same side through sliding blocks 210. The grinding disc 215 swings synchronously with the swing tube 201 to achieve the fitting grinding of the complex curved surface on the outer side of the switch rail. The lead screw 205 rotates synchronously with the hand wheel 206 to drive the lifting bar to rise and fall. The grinding disc 215 rises and falls synchronously with the lifting bar 208 to achieve height adjustment.

[0059] In this embodiment, a connecting shell 211 is vertically connected below the lifting bar 208. A protective cover 212 is fixedly connected to the bottom of the connecting shell 211. The motor 213 is horizontally installed on the side wall of the protective cover 212. The grinding disc 215 is connected to the output shaft of the motor 213 through a connecting seat 214. The motor 213 drives the grinding disc 215 to rotate at a high speed to efficiently grind the worn area on the outer side of the switch rail seat. The protective cover 212 effectively prevents the grinding debris from splashing and ensures the operation safety.

[0060] In this embodiment, a pair of connecting grooves 103a along the width direction of the switch rail seat are parallelly distributed on the connecting plate 103. The design of the connecting grooves 103a on the connecting plate 103 allows the adjustment of the lateral distance of the moving wheels 104 to adapt to the turnout tracks with different curve radii, and improves the versatility and adaptability of the equipment.

[0061] In this embodiment, a pair of hinge seats 105 are symmetrically connected to the outside of the connecting pipe 102. A lifting and lowering rod 106 is hinged on the hinge seats 105, and an anti-slip sleeve 107 is sleeved on the lifting and lowering rod 106. The lifting and lowering rod 106 cooperates with the anti-slip sleeve 107, which is convenient for manually lifting the whole machine for handling or crossing the track operation, and improves the mobility and operation efficiency of the equipment.

[0062] In this embodiment, a "冂"-shaped push-pull rod 110 is welded on the upper side of the sliding frame 108. The push-pull rod 110 is used to push or pull the grinding mechanism 20 to slide along the width direction of the switch rail seat.

[0063] In this embodiment, a pair of return springs 203 are symmetrically arranged between the lower end of the swing tube 201 and the sliding frame 108. After the swinging is completed, the return spring 203 is used to provide an automatic return force for the swing tube 201 to ensure that the swing structure returns stably and improves the operation safety and repeated positioning accuracy.

[0064] In this embodiment, a water tank 216 is fixedly connected to the side wall of the connection shell 211. A C-shaped water outlet pipe 217 is connected to the bottom of the water tank 216, and a manual valve 218 is provided on the water outlet pipe 217. To prevent the grinding disc 215 from being damaged or the material from annealing due to high temperature generated by friction during the grinding process, the operator can open the manual valve 218 on the water outlet pipe 217 to make the cooling water in the water tank 216 drip onto the surface of the grinding disc 215, achieving instant cooling, prolonging the life of the grinding tool, and improving the grinding quality.

[0065] The working principle of a tramway turnout grinder:

[0066] 1. Machine movement and positioning

[0067] The operator pushes or pulls the "冂"-shaped push-pull rod 110 to drive the entire grinder to move along the length direction of the switch rail seat. This movement is realized by a plurality of moving wheels 104 installed on the lower side of the connecting plate 103. The support pipe 101 and the connecting pipe 102 form a stable frame structure to ensure the smooth operation of the whole machine. The connecting groove 103a on the connecting plate 103 is designed to allow adjustment of the lateral spacing of the moving wheels 104 to adapt to turnout tracks with different curve radii, improving the versatility and adaptability of the equipment.

[0068] 2. Lateral sliding adjustment of the grinding mechanism

[0069] When it is necessary to grind different width positions of the switch rail seat, the operator pushes the grinding mechanism 20, and it slides on the support pipe 101 through the sliding wheels 109 on both sides of the sliding frame 108 to achieve precise positioning along the width direction of the switch rail seat. This sliding structure ensures flexible coverage of the grinding area.

[0070] 3. Height adjustment of the grinding disc

[0071] By rotating the handwheel 206, the lead screw 205 rotates, and the lead screw nut 207 moves along the axial direction of the lead screw accordingly, thereby driving the lifting bar 208 and its connected sliding bar 210 to slide up and down in the swing pipe 201. This process realizes the height adjustment of the grinding disc 215 to adapt to different wear depths and track profile requirements.

[0072] 4. Angle adjustment of the grinding disc

[0073] The swing pipe 201 is hinged to the sliding frame 108 through the rotating shaft 202. During the grinding process, the grinding disc 215 swings synchronously with the swing pipe 201 to achieve conforming grinding of the complex curved surface on the outside of the switch rail. After the swing is completed, the return spring 203 provides a return force to ensure the stable return of the swing structure, improving the operation safety and repeat positioning accuracy.

[0074] 5. Execution of the grinding operation

[0075] The diesel generator 30 provides independent power to the motor 213, which drives the grinding disc 215 to rotate at high speed, effectively grinding the wear area outside the rail seat. The protective cover 212 effectively prevents grinding debris from splashing, ensuring safe operation.

[0076] 6. Cooling system working

[0077] To prevent the grinding disc 215 from being damaged or the material from annealing due to high temperatures generated by friction during the grinding process, the operator can open the manual valve 218 on the water outlet pipe 217 to allow the cooling water in the water tank 216 to drip onto the surface of the grinding disc, achieving immediate cooling, extending the life of the grinding tool, and improving the grinding quality.

[0078] 7. Handling and auxiliary operations

[0079] The lifting rods 106 set at both ends of the equipment, combined with the anti-slip sleeves 107, make it easy to manually lift the entire machine for transportation or cross-track operation, thereby improving the maneuverability and operating efficiency of the equipment.

[0080] To sum up, the present invention realizes the longitudinal movement of the whole machine and the lateral sliding of the grinding mechanism 20 through the moving mechanism 10, combines the screw lifting and swinging structure to realize the height and angle adjustment of the grinding disc 215, and cooperates with the independent power supply of the diesel generator 30 and the water cooling system to realize the efficient, accurate, safe and flexible on-site grinding operation of the outer side of the wear area of ​​the tram track switch point rail seat, which is particularly suitable for the maintenance scenarios of heavy-load, high-speed and complex curve switches.

[0081] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are encompassed by the present invention.

Claims

1. A tramway switch grinding machine, characterized in that: It comprises a moving mechanism (10), a grinding mechanism (20) and a diesel generator (30), wherein: The polishing mechanism (20) and the diesel generator (30) are arranged above the moving mechanism (10); The moving mechanism (10) comprises a moving wheel (104) and a sliding wheel (109), wherein the moving wheel (104) is used to drive the entire machine to move along the length direction of the point rail seat, and the sliding wheel (109) is used to drive the grinding mechanism (20) to slide along the width direction of the point rail seat; The grinding mechanism (20) comprises an oscillating tube (201), a lifting bar (208), a motor (213) and a grinding disc (215); the motor (213) drives the grinding disc (215) to rotate at high speed to grind the wear area outside the pointed rail seat; during the grinding process, the grinding disc (215) is adjusted in angle by the oscillating tube (201) and adjusted in height by the lifting bar (208); The diesel generator (30) provides power supply to the electric motor (213).

2. The tramway switch grinding machine according to claim 1, characterized in that: The moving mechanism (10) further comprises a supporting tube (101), a connecting tube (102) and a sliding frame (108). The supporting tubes (101) are provided in a pair and arranged in parallel. The connecting tubes (102) are provided in a pair and are respectively connected to the two ends of the pair of supporting tubes (101). The connecting tubes (102) are of a "︹"-shaped structure and are symmetrically connected to a pair of connecting plates (103) at both ends. The lower side of each connecting plate (103) is connected to a moving wheel (104). Two pairs of sliding wheels (109) are symmetrically connected to both sides of the sliding frame (108). The sliding wheels (109) are slidably arranged above the supporting tubes (101) on the same side.

3. The tramway switch grinding machine according to claim 2, characterized in that: The swing tube (201) is provided with a pair of parallel arranged ones, and the lower ends thereof are hinged to the sliding frame (108) through the rotating shaft (202). The upper ends of the pair of swing tubes (201) are commonly connected to a connecting bar (204). The center of the connecting bar (204) is rotatably connected to a lead screw (205). The top end of the lead screw (205) is connected to a hand wheel (206) through a key. The lifting bar (208) is threadedly connected to the lead screw (205) through a lead screw nut (207). The left and right ends of the lifting bar (208) are parallel connected to a pair of sliding bars (209). The sliding bar (209) is slidably connected to the swing tube (201) on the same side through a sliding block (210).

4. The tramway switch grinding machine according to claim 3, characterized in that: A connecting shell (211) is vertically connected below the lifting bar (208), a protective cover (212) is fixedly connected to the bottom of the connecting shell (211), the motor (213) is horizontally mounted on the side wall of the protective cover (212), and the grinding disc (215) is connected to the output shaft of the motor (213) via a connecting seat (214).

5. The tramway switch grinding machine according to claim 2, characterized in that: A pair of connecting grooves (103a) are distributed in parallel on the connecting plate (103) along the width direction of the point rail seat.

6. The tramway switch grinding machine according to claim 2, characterized in that: A pair of hinge seats (105) are symmetrically connected to the outside of the connecting pipe (102). A lifting and lowering rod (106) is hinged on the hinge seat (105), and an anti-slip sleeve (107) is sleeved on the lifting and lowering rod (106).

7. The tramway switch grinding machine according to claim 2, characterized in that: A push and pull rod (110) in the shape of "冂" is welded to the upper side of the sliding frame (108).

8. The tramway switch grinding machine according to claim 3, characterized in that: A pair of return springs (203) are symmetrically arranged between the lower end of the swing pipe (201) and the sliding frame (108).

9. The tramway switch grinding machine according to claim 4, characterized in that: A water tank (216) is fixedly connected to the side wall of the connecting shell (211). A C-shaped water outlet pipe (217) is connected to the bottom of the water tank (216), and a manual valve (218) is provided on the water outlet pipe (217).

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