Steel rail cementing insulation joint clamping plate bolt dismounting device

Abstract

The utility model discloses a steel rail cementing insulation joint clamping plate bolt dismounting device which is provided with a main box body capable of being fixed to the side portion of a box body. A power gear, an idle gear and a planetary reducer are installed on the main box body, the power gear is driven by a handle to rotate, power is transmitted to a sun gear of the planetary reducer through the idle gear, and after input force is amplified through all the gears and the planetary reducer, the force is finally applied to a fixing nut of a clamping plate through an output gear disc. The output gear disc is matched and inserted with a nut through a joint designed on the output gear disc to realize circumferential fixation of the output gear disc and the nut, and then the output gear disc can drive the nut to rotate synchronously to realize disassembly of the nut. The tool is simple in structure and easy and convenient to operate, steel rail cementing joint clamping plate bolts can be efficiently detached, and meanwhile a steel rail and a clamping plate are not damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway auxiliary equipment technical field, and specifically is a kind of steel rail rubber joint clamp plate bolt dismounting device. BACKGROUND

[0002] Railway track steel rail rubber joint clamp plate bolt is important object for fastening steel rail rubber joint clamp plate.In the maintenance and repair of steel rail rubber joint, the rubber joint clamp plate on both sides of steel rail needs to be dismounted, and before dismounting the rubber joint clamp plate, the bolt needs to be removed first.Due to the extrusion of high-strength adhesive into the bolt hole, combined with the rust accumulated over time, the bolt and nut are firmly embedded together, which causes great difficulty in removal.Currently, the bolt is usually removed by using acetylene gas cutting and lengthened socket wrench, which is troublesome, time-consuming and labor-intensive, and can easily damage the steel rail and clamp plate. SUMMARY

[0003] To solve the above problems, the utility model provides a kind of steel rail rubber joint clamp plate bolt dismounting device, which can realize the efficient dismounting of rubber joint clamp plate bolt, avoid damaging the steel rail and clamp plate, and will not have adverse effects on railway track.

[0004] The utility model discloses a steel rail rubber joint clamp plate bolt dismounting device, which comprises a main box body, a power gear, a gear and a planetary reducer.

[0005] The upper and middle parts of the main box body are respectively provided with a power gear and a gear through a gear shaft, and the two gears are engaged.The front side of the lower part of the main box body is provided with a reducer mounting groove, and the planetary reducer is mounted in the groove;the front side of the main box body is designed with a positioning plate, and the positioning plate is provided with a bolt which is screwed, and the bolt is matched with the top of the steel rail,

[0006] The output gear is mounted on the sun gear shaft of the planetary reducer, and the output gear is engaged with the gear.The sun gear is engaged with four evenly distributed planetary gears, and the four planetary gears are respectively mounted on the four gear shafts designed on the inner surface of the reducer mounting groove.The four planetary gears are engaged with the inner teeth of the reducer output gear disc.

[0007] The front side of the reducer output gear disc is coaxially designed with a cylindrical nut joint, and the nut joint is provided with a nut positioning hole with a cross section matching the size of the clamp plate fixing nut.

[0008] Therefore, the main box body is placed on the ground on the side of the steel rail clamp plate, and the nut joint is matched and inserted with the clamp plate fixing nut, and the bolt on the positioning plate is tightened against the top of the steel rail to fix the device.Then, the power gear is driven to rotate, which drives the reducer output gear disc to rotate, so that the nut is loosened and rotated and moves along the bolt axis to the inside of the nut positioning hole until the nut is completely separated from the bolt, and the nut is dismounted.

[0009] The utility model has the advantages of:

[0010] 1. The utility model discloses a rail bonding insulation joint clamping plate bolt dismounting device, simple structure, easy operation can realize the efficient dismounting of the rail bonding joint clamping plate bolt, and the rail and the clamping plate are not damaged simultaneously.

[0011] 2. The utility model discloses a rail bonding insulation joint clamping plate bolt dismounting device, and the reducer output gear disc is assembled and disassembled simply, can according to the clamping plate fixed nut of different size, selects the reducer output gear disc with the nut mounting hole of suitable size and replaces, makes the applicability of device wide.

[0012] 3. The utility model discloses a rail bonding insulation joint clamping plate bolt dismounting device, compact structure can work in the narrow space.

[0013] 4. The utility model discloses a rail bonding insulation joint clamping plate bolt dismounting device, light in weight, convenient to carry. DRAWINGS

[0014] Figure 1 It is whole structure schematic view of the utility model discloses a rail bonding insulation joint clamping plate bolt dismounting device;

[0015] Figure 2 It is whole structure sectional view of the utility model discloses a rail bonding insulation joint clamping plate bolt dismounting device;

[0016] Figure 3 It is the schematic diagram of gear transmission part in the utility model discloses a rail bonding insulation joint clamping plate bolt dismounting device.

[0017] In the drawing:

[0018] 1-main box 2-power gear 3-intermediate gear

[0019] 4-planetary reducer 5-handle 6-nut

[0020] 7-clamping plate 101-gear mounting hole 102-intermediate gear mounting hole

[0021] 103-reducer installation slot 103a-planet wheel axle 104-positioning plate

[0022] 105-fastening bolt 201-gear shaft 202-rectangular hole

[0023] 301-intermediate gear axle 401-reducer output gear disc 401a-nut positioning hole

[0024] 402-sun gear 403-input gear 404-planet wheel

[0025] 403 - bolt joint 406 - annular protrusion 501 - handle

[0026] 502 - rectangular plug DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail in combination with the drawings.

[0028] The utility model discloses a steel rail glued joint clamp plate bolt dismounting device, including main box body 1, power gear 2, intermediate wheel 3 and planetary reducer 4, as Figure 1 Shown.

[0029] As Figure 2 、 Figure 3 Shown, the main box body 1 bottom is horizontal plane, and two sides have two supporting legs and ground contact.The main box body 1 upper portion is provided with gear mounting hole 101, and middle portion is provided with intermediate wheel mounting hole 102, and lower portion front side is provided with reducer mounting groove 103.Gear mounting hole 101, intermediate wheel mounting hole 102 are cylindrical through -hole, and pass through main box body front and back side face;Reducer mounting groove 103 is circular recess;Three axis lines are in the same vertical plane.

[0030] The main box body 1 front side wall upper portion is designed with positioning plate 104, and positioning plate 104 is parallel to main box body 1 bottom, and the vertical distance between positioning plate 104 and main box body 1 bottom is greater than the height of steel rail.Two bolt holes are formed in the positioning plate 104, and two fastening bolts 105 are installed in the two bolt holes for fixing the gear box 1 on the top of the steel rail.

[0031] The gear mounting hole 101 is coaxially installed with gear shaft 201 through bearing;The power gear 2 is fixed on the gear shaft 201 coaxially.The L-shaped handle 5 is installed on the rectangular hole 202 at the end of the gear shaft, and the L-shaped handle 5 is used for installing the handle 5.The handle 5 is L-shaped structure as a whole, and the end is columnar handle 501 for hand holding;The rectangular plug 502 is designed on the front end side of the handle 5, and the rectangular plug 502 is inserted into the rectangular hole 202 on the end face of the gear shaft 201, and the handle 5 can drive the power gear 2 to rotate by rotating.

[0032] The intermediate wheel mounting hole 102 is coaxially installed with intermediate wheel shaft 301 through bearing, and the intermediate wheel 3 is fixed on the intermediate wheel shaft 301 coaxially;And the intermediate wheel 3 and the power gear 2 are engaged with each other.

[0033] The planetary reducer 4 is installed in the reducer mounting groove 103.The planetary reducer 4 includes reducer output gear disc, sun gear 402, input gear 403 and four planetary gears 404.

[0034] The reducer output gear disc has a circumferential circular ring side wall and a front side wall; the inner wall surface of the circular ring side wall is circumferentially provided with teeth to form an internal gear structure; meanwhile, a cylindrical nut joint 405 is coaxially arranged on the outer wall surface of the front side of the reducer output gear disc, a nut positioning hole 401a is formed in the nut joint 405, the cross section of the nut positioning hole 401a is matched with the size of the nut 6 used for fixing the clamping plate 7, the nut positioning hole 401a has a certain depth, which is greater than the sum of the length of the clamping plate fixing bolt exceeding the outer wall surface of the clamping plate 7 and the axial thickness of a clamping plate fixing nut 6, so that the nut 6 can be completely separated from the bolt during disassembly.

[0035] The above-mentioned reducer output gear disc is coaxially arranged in the reducer mounting groove 103 and has a rotating pair; a copper sleeve is arranged between the outer wall surface of the circumferential side wall of the reducer output gear disc and the inner wall surface of the reducer mounting groove 103 to reduce the friction when the reducer output gear disc rotates. Meanwhile, a retaining ring is mounted on the front side of the main box body 1 and cooperates with the front side of the reducer output gear disc in the circumferential direction to limit the axial displacement of the reducer output gear disc.

[0036] The sun gear 402 is coaxially arranged in the reducer output gear disc, the rear end of the shaft of the sun gear 402 passes through the center through hole in the bottom surface of the reducer mounting groove 103 and is coaxially fixed with the input gear 403, and the input gear 403 is engaged with the intermediate gear 3. The front end of the shaft of the sun gear 402 is coaxially arranged in the annular protrusion 406 coaxially arranged on the inner wall of the front side of the reducer output gear disc. The sun gear 402 is engaged with the four planetary gears 404. The four planetary gears 404 are coaxially sleeved on the four planetary gear shafts 103a evenly distributed on the bottom surface of the reducer mounting groove 103 through bearings and are engaged with the teeth circumferentially arranged on the inner wall surface of the side wall of the reducer output gear disc. The above-mentioned sun gear 402 is axially limited by cooperating with the annular protrusion 406 and the bottom surface of the reducer mounting groove 103.

[0037] The steel rail bonding joint clamping plate bolt dismounting device has the following advantages in application:

[0038] Firstly, the main box body 1 is placed on the side where the steel rail clamping plate 7 is located, the main box body 1 is placed on the ground, the bottom surface of the main box body 1 is in contact with the ground through the two side feet, the bolt joint 403 is inserted into the nut used for fixing the clamping plate, and the end surface of the nut joint 405 is in contact with the side wall of the clamping plate; at this time, the front side of the main box body 1 is in contact with the side of the rail bottom, and the positioning plate 104 is located above the rail top; the two jacking bolts on the positioning plate 104 are rotated to be in contact with the rail top, so as to limit the circumferential rotation of the main box body 1.

[0039] Subsequently, the handle 5 is inserted into the rectangular hole 202 at the end of the gear shaft 201 through the rectangular plug 502 at the front end thereof. At this time, the power gear 2 is rotated by rotating the handle 5, the intermediate gear 3 is rotated by the power gear 2, and the input gear 403 is further rotated by the intermediate gear 3. Among them, the power gear 2 is a 2-module 20-tooth high-hardness gear, the intermediate gear 3 is a 2-module 40-tooth high-hardness gear, and the input gear 403 is a 2-module 72-tooth high-hardness gear; thus, the torque of the power gear 2 can be amplified by 2 times through the intermediate gear 3; the torque of the intermediate gear 3 can be amplified by 1.8 times through the input gear 403; finally, the torque of the power gear 2 is amplified by 3.6 times through the input gear 403, and the sun gear 402 in the planetary reducer 4 is coaxially transmitted. The sun gear 402 is a 1.5-module high-hardness gear, and the power is transmitted to the reducer output gear disc through four planetary gears 404; the reducer output gear disc is directly connected with the rail rubber joint clamp plate bolt as the output end of the planetary reducer 4. The transmission ratio of the planetary reducer is 17:1, which can amplify the input force by 17 times, and finally the torque can be amplified to 7200N·m; through the amplification of the force and the rotation of the reducer output gear disc, the nut is loosened and rotated and moves along the bolt axis to the inside of the nut positioning hole 401a, until the nut is completely separated from the bolt, and the nut disassembly is completed.

[0040] The overall weight of the utility model is about 17 kilograms, which is convenient to carry and can be operated in a small space; and the reducer output gear disc 401 is simple to assemble and disassemble, can fix the nut according to different sizes of the clamp plate, selects the reducer output gear disc 401 with the nut mounting hole of the appropriate size to replace, so that the applicability of the device is wide.

Claims

1. A device for removing the bolt of a rail bonded insulated joint clamp plate, characterized in that: The main box, power gear, intermediate gear and planetary reducer are included. The power gear and intermediate gear are installed on the upper and middle parts of the main box through gear shafts and meshed with each other. The reducer installation slot is opened on the front side of the lower part of the main box. The positioning plate is designed on the front side of the main box, and the bolts are threadedly installed on the positioning plate and matched with the rail top.

2. The rail adhesive-bonded insulating joint clamp bolt disassembly device as described in claim 1, characterized in that: The output gear is installed on the sun gear shaft in the planetary reducer and meshed with the intermediate gear.

3. The device as claimed in claim 1, wherein: the device is a rail bonding insulation joint clamp plate bolt removal device. The sun gear is meshed with the four planetary gears, and the four planetary gears are installed on the four gear shafts designed on the inner surface of the reducer installation slot.

4. The rail adhesive-bonded insulating joint clamp bolt disassembly device as described in claim 1, characterized in that: The four planetary gears are meshed with the inner teeth of the output gear disc.

5. The rail adhesive-bonded insulating joint clamp bolt disassembly device as described in claim 1, characterized in that: The cylindrical nut joint is coaxially designed on the front side of the output gear disc, and the nut positioning hole with the same size as the fixing nut of the clamp plate is opened on the nut joint. The rectangular hole is opened on the end of the gear shaft of the power gear for inserting the handle. The power gear is a high-hardness gear with 2-module and 20 teeth. The intermediate gear is a high-hardness gear with 2-module and 40 teeth. The input gear is a high-hardness gear with 2-module and 72 teeth. The sun gear is a high-hardness gear with 1.5-module. The width of the main box is 220mm, the height is 320mm, and the thickness of the box is 100mm. The main box is placed on the ground on the side of the rail clamp, and the nut joint is matched and inserted with the clamp fixing nut. When the nut joint end surface contacts with the clamp side wall, the front side of the main box contacts with the rail bottom side, and the positioning plate is above the rail top.

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