CN209907129U - Portable steel rail grinding machine - Google Patents
Portable steel rail grinding machine Download PDFInfo
- Publication number
- CN209907129U CN209907129U CN201920646992.3U CN201920646992U CN209907129U CN 209907129 U CN209907129 U CN 209907129U CN 201920646992 U CN201920646992 U CN 201920646992U CN 209907129 U CN209907129 U CN 209907129U
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- wheel
- threaded sleeve
- rectangular frame
- type support
- belt box
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Abstract
The utility model relates to a railway rails maintains technical field, discloses a portable shaped steel rail polisher, include: horizontal rectangular frame, two walking wheels, internal combustion engine, belt box and emery wheel still include: the first hand wheel, the spring, the doorframe-type bracket, the screw rod, the push rod, the threaded sleeve and the pressing plate; fixed threaded sleeve that is equipped with on the crossbeam of door frame type support, the upper end and the first hand wheel fixed connection of screw rod, threaded sleeve and push rod swing joint are passed to the lower extreme of screw rod, the lower extreme and the clamp plate fixed connection of push rod, the clamp plate is located the belt box directly over, the upper end AND gate frame type support fixed connection of spring, the lower extreme of spring is connected in one side that the belt box set up the emery wheel, this kind of light shaped steel rail polisher, it is light to adjust, need not lift the polisher, overall structure is simple, it is light to use, time saving and labor saving, can satisfy the operation of polishing of great polishing volume.
Description
Technical Field
The utility model relates to a technical field is maintained to the railway track, in particular to light shaped steel rail polisher.
Background
At present, the rail grinding technology for line maintenance becomes a consensus for rail maintenance at home and abroad. Along with the increase of railway frequency of use, need maintain the railway rail, need polish to the junction after the maintenance, the volume of polishing is great, and present polisher to the volume of polishing is great is all very heavy, needs fifty six people to make a concerted effort to lift up and just can operate, if touch the abrupt slope, has lifted up more arduous.
How to improve current polisher for adjust lightly when polishing, satisfy the great operation of polishing of volume of polishing, be the problem that railway maintenance field is waited for a long time to solve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a light shaped steel rail polisher can solve the above-mentioned problem among the prior art.
The utility model provides a portable shaped steel rail polisher, include: horizontal rectangular frame, two walking wheels, internal combustion engine, belt box and emery wheel, two walking wheels set up both ends around the rectangular frame bottom, internal combustion engine sets up on rectangular frame, driving belt's a pot head is in internal combustion engine's pivot, driving belt's the other end stretches into belt box endotheca on the belt pulley, the pivot fixed connection of belt pulley and emery wheel, the lower extreme at the emery wheel pivot is fixed to the emery wheel, is located belt box below, still includes: the first hand wheel, the spring, the doorframe-type bracket, the screw rod, the push rod, the threaded sleeve and the pressing plate;
door frame type support sets up in rectangular frame's top, the lower extreme of the left montant of door frame type support and the montant lower extreme correspondence on right side are fixed in rectangular frame's the left and right sides, the fixed threaded sleeve that is equipped with on door frame type support's the crossbeam, the upper end and the first hand wheel fixed connection of screw rod, the lower extreme of screw rod passes threaded sleeve and push rod swing joint, the lower extreme and the clamp plate fixed connection of push rod, the clamp plate is located the belt box directly over, the upper end and the door frame type support fixed connection of spring, the lower extreme of spring is connected in the one side that the belt box.
The door frame type support is characterized in that longitudinal sliding grooves are symmetrically formed in opposite surfaces of the lower portion of the vertical rod on the left side of the door frame type support and the lower portion of the vertical rod on the right side of the door frame type support, the left end and the right end of the pressing plate are arranged in the longitudinal sliding grooves in a one-to-one mode, the height of the belt box is higher than the bottom of the sliding grooves, a limiting block is fixed to the lower end of the screw rod, a limiting block rotating.
Further comprising: the second hand wheel, the horizontal bevel gear, the vertical bevel gear, the screw nut pair, the rotating shaft, the screw, the first bearing, the second bearing, the third bearing and the transverse connecting rod; the second bearing and the third bearing are fixed on the upper portion and the lower portion of one side, away from the grinding wheel, of the doorframe-type support through transverse connecting rods respectively, the upper end of the rotating shaft is fixedly connected with the second hand wheel, the rotating shaft penetrates through the second bearing and the third bearing in sequence, the lower end of the rotating shaft is fixedly connected with the horizontal bevel gear, the horizontal bevel gear is in meshed connection with the vertical bevel gear, the vertical bevel gear is fixedly sleeved at one end of the lead screw, the lead screw nut pair is fixed on the top surface of the belt box, the lead screw penetrates through the lead screw nut pair, and two ends of the lead screw.
The walking wheel comprises a first insulation wheel, an insulation cross shaft and a second insulation wheel which are connected in sequence, the diameter of the first insulation wheel is larger than that of the second insulation wheel, and the first insulation wheel, the insulation cross shaft and the second insulation wheel are integrally formed.
Two ends all are equipped with three walking wheel around horizontal rectangular frame's bottom, and three walking wheel is triangle-shaped and sets up, and the lower part is equipped with two walking wheels, and upper portion is equipped with a walking wheel, and two first insulation wheels of walking wheel in the lower part are located the outside, and another first insulation wheel is located the inboard.
The left side and the right side of the rectangular frame are both provided with baffles for shielding grinding sparks of the grinding wheel.
The rectangular frame and the doorframe-type bracket are both made of metal materials.
Vertical handrails are arranged on the doorframe-type support.
And a transverse handrail is arranged on the doorframe-type bracket.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a first hand wheel, screw rod, threaded sleeve, push rod and clamp plate can carry out accurate downward adjustment to the position of belt box under the effect of clamp plate, and the belt box moves the emery wheel downstream, and when the adjustment of emery wheel position upwards, upwards stimulates the belt box through spring tension, and the belt box moves emery wheel upward movement, realizes the upper and lower position adjustment of emery wheel, adjusts lightly, need not lift up polisher, labour saving and time saving.
Through second hand wheel, pivot, horizontal bevel gear, vertical bevel gear, lead screw and screw nut pair, realize the accurate adjustment of belt box left and right sides position, the belt box moves the emery wheel and removes, realizes the adjustment of emery wheel left and right sides position, and it is convenient to adjust, need not lift up the polisher, labour saving and time saving.
The internal combustion engine drives the grinding wheel to rotate through the transmission belt, so that the grinding machine can meet the grinding operation of large grinding amount, can be remotely used, and can be used in various occasions such as a deep mountain or a tunnel.
Through rectangular frame and door frame type support fixed connection, overall structure is simple, uses lightly, can operate easily alone and use, has liberated railway workman's labour from to a great extent, to the labour saving and time saving of polishing of rail, can satisfy the great operation of polishing of the volume of polishing.
Drawings
Fig. 1 is the utility model provides a three-dimensional structure sketch map of portable rail polisher.
Fig. 2 is a schematic structural diagram of a side surface of a portable steel rail grinding machine provided by the embodiment of the utility model.
Description of reference numerals:
1-a horizontal rectangular frame, 2-a traveling wheel, 2-1-a first insulating wheel, 2-2-an insulating transverse shaft, 2-3-a second insulating wheel, 3-an internal combustion engine, 4-a first hand wheel, 5-a spring, 6-a second hand wheel, 7-a door frame type bracket, 8-a horizontal bevel gear, 9-a vertical bevel gear, 10-a lead screw and nut pair, 11-a grinding wheel, 12-a belt box, 13-a screw rod, 14-a rotating shaft, 15-a push rod, 16-a lead screw, 17-a threaded sleeve, 18-a first bearing, 19-a second bearing, 20-a third bearing, 21-a transverse connecting rod, 22-a baffle, 23-a pressing plate, 24-a sliding chute and 25-a vertical handrail.
Detailed Description
An embodiment of the present invention will be described in detail with reference to fig. 1-2, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in FIG. 1, the embodiment of the utility model provides a portable steel rail polisher, include: a horizontal rectangular frame threaded sleeve 1 threaded sleeve, two traveling wheel threaded sleeves 2 threaded sleeves, an internal combustion engine threaded sleeve 3 threaded sleeve, a belt box threaded sleeve 12 threaded sleeve and a grinding wheel threaded sleeve 11 threaded sleeve, wherein the two traveling wheel threaded sleeves 2 threaded sleeves are arranged at the front end and the rear end of the bottom of the rectangular frame threaded sleeve 1 threaded sleeve, the internal combustion engine threaded sleeve 3 threaded sleeve is arranged on the rectangular frame threaded sleeve 1 threaded sleeve, one end of a transmission belt is sleeved on a rotating shaft of the internal combustion engine threaded sleeve 3 threaded sleeve, the other end of the transmission belt extends into the belt box threaded sleeve 12 threaded sleeve and is sleeved on a belt pulley, the belt pulley is fixedly connected with the rotating shaft of the grinding wheel threaded sleeve 11 threaded sleeve, the grinding wheel threaded sleeve 11 threaded sleeve is fixed at the lower end of the rotating shaft of the grinding wheel threaded sleeve 11 threaded sleeve and is positioned below the belt box threaded sleeve 12 threaded, further comprising: a first handwheel threaded sleeve 4, a spring threaded sleeve 5, a doorframe-type support threaded sleeve 7, a screw threaded sleeve 13, a push rod threaded sleeve 15, a threaded sleeve 17 and a pressure plate threaded sleeve 23;
the threaded sleeve of the doorframe-type support threaded sleeve 7 is arranged above the threaded sleeve of the rectangular frame threaded sleeve 1, the lower end of a vertical rod on the left side of the threaded sleeve of the doorframe-type support threaded sleeve 7 and the lower end of a vertical rod on the right side of the threaded sleeve of the rectangular frame threaded sleeve 1 are correspondingly fixed on the left side and the right side of the threaded sleeve of the rectangular frame threaded sleeve 1, the threaded sleeve 17 of the threaded sleeve of the doorframe-type support threaded sleeve 7 is fixedly arranged on a cross beam of the threaded sleeve of the doorframe-type support threaded sleeve 7, the upper end of the threaded sleeve of the screw rod threaded sleeve 13 is fixedly connected with the threaded sleeve of the first hand wheel threaded sleeve 4, the lower end of the threaded sleeve of the screw rod threaded sleeve 13 passes through the threaded sleeve 17 of the threaded sleeve of the screw rod threaded sleeve to be, the upper end of the threaded sleeve of the spring threaded sleeve 5 is fixedly connected with the threaded sleeve of the doorframe-type support 7, and the lower end of the threaded sleeve of the spring threaded sleeve 5 is connected with one side of the threaded sleeve of the belt box threaded sleeve 12, which is provided with the threaded sleeve of the grinding wheel threaded sleeve 11.
The symmetry is equipped with 24 threaded sleeves of vertical spout threaded sleeve on the opposite face of 7 left montant lower parts of threaded sleeve of door frame type support and the montant lower part on right side, and both ends one-to-one sets up in 24 threaded sleeve of vertical spout threaded sleeve about 23 threaded sleeve of clamp plate threaded sleeve, and 12 threaded sleeve of belt box threaded sleeve highly is higher than 24 threaded sleeve's of spout threaded sleeve bottom, 13 threaded sleeve's of screw rod threaded sleeve lower extreme is fixed with the stopper, and 15 threaded sleeve's of push rod threaded sleeve upper portion is equipped with and supplies the stopper to rotate the recess, and the stopper setting is in the recess.
A second hand wheel threaded sleeve 6, a horizontal bevel gear threaded sleeve 8, a vertical bevel gear threaded sleeve 9, a lead screw nut pair threaded sleeve 10, a rotating shaft threaded sleeve 14, a lead screw threaded sleeve 16, a first bearing threaded sleeve 18, a second bearing threaded sleeve 19, a third bearing threaded sleeve 20 and a transverse connecting rod threaded sleeve 21; a second bearing threaded sleeve 19 threaded sleeve and a third bearing threaded sleeve 20 threaded sleeve are respectively fixed on the upper part and the lower part of one side, far away from the grinding wheel, of a doorframe-type support threaded sleeve 7 threaded sleeve through a transverse connecting rod threaded sleeve 21 threaded sleeve, the upper end of a rotating shaft threaded sleeve 14 threaded sleeve is fixedly connected with a second wheel threaded sleeve 6 threaded sleeve, the rotating shaft threaded sleeve 14 threaded sleeve sequentially penetrates through the second bearing threaded sleeve 19 threaded sleeve and the third bearing threaded sleeve 20 threaded sleeve, the lower end of the rotating shaft threaded sleeve 14 threaded sleeve is fixedly connected with a horizontal bevel gear threaded sleeve 8 threaded sleeve, the horizontal bevel gear threaded sleeve 8 threaded sleeve is meshed and connected with a vertical bevel gear threaded sleeve 9 threaded sleeve, the vertical bevel gear threaded sleeve 9 threaded sleeve is fixedly sleeved at one end of a lead screw threaded sleeve 16 threaded sleeve, and a lead screw nut auxiliary threaded sleeve 10 threaded sleeve is fixed on the top surface of a belt box threaded sleeve, the screw rod threaded sleeve 16 penetrates through the screw rod nut auxiliary threaded sleeve 10, and two ends of the screw rod threaded sleeve 16 are respectively arranged on the threaded sleeve of the rectangular frame threaded sleeve 1 through the threaded sleeve of the first bearing threaded sleeve 18.
The use method and the working principle are as follows: the rectangular frame 1 is formed by welding angle irons, the rectangular frame 1 and the doorframe-type support 7 are fixedly connected through welding to form an integral frame, and the structure is simple and light.
The polishing method comprises the following steps: the height adjustment of the grinding wheel 11: when adjusting 11 downstream of emery wheel, rotate first hand wheel 4, first hand wheel 4 drives screw 13 and rotates, screw 13 drives push rod 15 downstream through threaded sleeve 17, drive clamp plate 23 through push rod 15 and push down belt box 12, clamp plate 23 pushes down belt box 12 and drives emery wheel 11 and rail contact, start internal combustion engine 3, internal combustion engine 3 drives the pivot rotation of emery wheel 11 through driving belt and drive wheel, emery wheel 11 rotates and realizes polishing to the rail, remove about 2 along the rail direction of drive walking wheel through door frame type support 7, can make a round trip to polish to the rail.
When adjusting 11 upward movements of emery wheel, rotate first hand wheel 4 for first hand wheel 4 drives screw rod 13 upward rotation, and screw rod 13 drives push rod 15 upward movement, makes clamp plate 23 and belt box 12 separation, and belt box 12 upward movement under the pulling force effect of spring 5 simultaneously, and belt box 12 drives emery wheel 11 upward movement, makes emery wheel 11 and rail face take off.
The both ends setting of clamp plate 23 are in spout 24 for clamp plate 23 is along the vertical removal of spout 24, and stability is good.
In order to polish the left and right surfaces of the steel rail, the left and right positions of the grinding wheel on the surface of the steel rail need to be adjusted, and the method comprises the following specific steps: the second hand wheel 6 is rotated, the horizontal bevel gear 8 is driven by the second hand wheel 6 through the rotating shaft 14 under the limit of the third bearing 19 and the third bearing 20 to horizontally rotate, the horizontal bevel gear 8 drives the vertical bevel gear 9 to convert the horizontal rotation into the vertical rotation, the vertical bevel gear 9 drives the lead screw 16 to rotate, the lead screw 16 rotates to drive the lead screw nut pair 10 to move left and right on the lead screw 16, so that the belt box 12 is driven to move left and right, the belt box 12 drives the grinding wheel 11 to move left and right, the adjustment of the left and right horizontal positions of the grinding wheel on the surface of the steel rail is realized, the steel rail is conveniently ground by using different areas of the.
Under the supporting action of first bearings 18 on the left side and the right side of the rectangular frame 1, a seesaw is formed by the lead screw 16, the lead screw nut pair 10 and the belt box 12, the belt box 12 is pressed down by the pressing plate 23 by utilizing the principle of the seesaw, the right side of the belt box descends to drive the grinding wheel 11 to move downwards, and after the pressing plate 23 is separated from the belt box 12, the belt box 12 drives the grinding wheel 11 to move upwards under the action of the elastic force of the spring 5, so that the use is convenient.
The utility model discloses a screw rod 13, first hand wheel 4, pivot 14, second hand wheel 6, horizontal bevel gear 8, vertical bevel gear 9, lead screw and the vice 10 of screw nut for the position control degree of accuracy of emery wheel is high, realizes the position control about the emery wheel through ball structure, combines frame rack structure, makes polisher overall structure simple, and it is light to use, alone can the independent operation.
The travelling wheel 2 comprises a first insulation wheel 2-1, an insulation transverse shaft 2-2 and a second insulation wheel 2-3 which are sequentially connected, the diameter of the first insulation wheel 2-1 is larger than that of the second insulation wheel 2-3, and the first insulation wheel 2-1, the insulation transverse shaft 2-2 and the second insulation wheel 2-3 are integrally formed.
The first insulating wheel 2-1, the insulating transverse shaft 2-2 and the second insulating wheel 2-3 are all made of wear-resistant nylon materials, so that friction force is reduced, polishing efficiency is improved, and service life is prolonged.
As shown in fig. 2, three walking wheels 2 are arranged at the front end and the rear end of the bottom of the rectangular frame 1, the three walking wheels 2 are arranged in a triangular shape, one first insulating wheel 2-1 of each of the two adjacent walking wheels 2 is positioned on the outer side of a steel rail, and the other first insulating wheel 2-1 is positioned on the inner side of the steel rail.
Three walking wheel 2 is better than a walking wheel stability, and reversible use, normal use a walking wheel 2 can, rail corner broad need use two walking wheels, convenient to use.
The left and right sides of rectangular frame 1 all is equipped with the baffle screw thread sleeve 22 screw thread sleeve that shelters from the emery wheel spark of polishing, and baffle 22 avoids the spark of polishing to cause the injury to operating personnel from both sides departure.
The door frame type support 7 is provided with a vertical handrail 25, the door frame type support 7 is provided with a transverse handrail, and the vertical handrail 25 and the transverse handrail are convenient for an operator to use and use.
The utility model discloses a first hand wheel, screw rod, threaded sleeve, push rod and clamp plate can carry out accurate downward adjustment to the position of belt box under the effect of clamp plate, and belt box moves the emery wheel downstream, and when the adjustment of emery wheel position upwards, upwards stimulates belt box through spring tension, and belt box moves emery wheel upward movement, realizes the upper and lower position adjustment of emery wheel.
The accurate adjustment of the left and right positions of the belt box is realized through the second hand wheel, the rotating shaft, the horizontal bevel gear, the vertical bevel gear, the lead screw and the lead screw nut pair, the belt box moves the grinding wheel to move left and right, and the adjustment of the left and right positions of the grinding wheel is realized.
The internal combustion engine drives the grinding wheel to rotate through the transmission belt, so that the grinding machine can meet the grinding operation of large grinding amount, can be remotely used, and can be used in various occasions such as a deep mountain or a tunnel.
Through rectangular frame and door frame type support fixed connection, overall structure is simple, uses lightly, can operate easily alone and use, has liberated railway workman's labour from to a great extent, to the labour saving and time saving of polishing of rail, can satisfy the great operation of polishing of the volume of polishing.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (9)
1. A portable steel rail grinding machine comprises: horizontal rectangular frame (1), two walking wheels (2), internal combustion engine (3), belt box (12) and emery wheel (11), two walking wheels (2) set up both ends around rectangular frame (1) bottom, internal combustion engine (3) set up on rectangular frame (1), driving belt's a pot head is in internal combustion engine's (3) pivot, driving belt's the other end stretches into belt box (12) endotheca on the belt pulley, the pivot fixed connection of belt pulley and emery wheel (11), emery wheel (11) are fixed at the lower extreme of emery wheel (11) pivot, be located belt box (12) below, a serial communication port, still include: the device comprises a first hand wheel (4), a spring (5), a doorframe-type bracket (7), a screw rod (13), a push rod (15), a threaded sleeve (17) and a pressure plate (23);
door frame type support (7) set up the top in rectangular frame (1), the lower extreme of the left montant of door frame type support (7) and the montant lower extreme correspondence on right side are fixed in the left and right sides of rectangular frame (1), the fixed threaded sleeve (17) that is equipped with on the crossbeam of door frame type support (7), the upper end and first hand wheel (4) fixed connection of screw rod (13), the lower extreme of screw rod (13) passes threaded sleeve (17) and push rod (15) swing joint, the lower extreme and clamp plate (23) fixed connection of push rod (15), clamp plate (23) are located belt box (12) directly over, the upper end and door frame type support (7) fixed connection of spring (5), the lower extreme of spring (5) is connected in one side that belt box (12) set up emery wheel (11).
2. A portable steel rail grinding machine according to claim 1, wherein the opposite surfaces of the lower part of the vertical rod on the left side and the lower part of the vertical rod on the right side of the doorframe-type support (7) are symmetrically provided with longitudinal sliding grooves (24), the left end and the right end of the pressure plate (23) are correspondingly arranged in the longitudinal sliding grooves (24) one by one, the height of the belt box (12) is higher than the bottom of the sliding grooves (24), the lower end of the screw rod (13) is fixed with a limiting block, the upper part of the push rod (15) is provided with a groove for the limiting block to rotate, and the limiting block is arranged in.
3. A portable steel rail grinding machine according to claim 1 or 2, further comprising: the device comprises a second hand wheel (6), a horizontal bevel gear (8), a vertical bevel gear (9), a screw-nut pair (10), a rotating shaft (14), a screw (16), a first bearing (18), a second bearing (19), a third bearing (20) and a transverse connecting rod (21); the upper portion and the lower portion of one side of a grinding wheel far away from a doorframe type support (7) are respectively fixed with a second bearing (19) and a third bearing (20) through a transverse connecting rod (21), the upper end of a rotating shaft (14) is fixedly connected with a second hand wheel (6), the rotating shaft (14) sequentially penetrates through the second bearing (19) and the third bearing (20), the lower end of the rotating shaft (14) is fixedly connected with a horizontal bevel gear (8), the horizontal bevel gear (8) is meshed with a vertical bevel gear (9), the vertical bevel gear (9) is fixedly sleeved at one end of a lead screw (16), a lead screw nut pair (10) is fixed on the top surface of a belt box (12), the lead screw (16) penetrates through a lead screw nut pair (10), and two ends of the lead screw (16) are respectively arranged on a rectangular frame (1) through first bearings (18.
4. A portable rail grinding machine according to claim 1, wherein the travelling wheel (2) comprises a first insulation wheel (2-1), an insulation cross shaft (2-2) and a second insulation wheel (2-3) which are connected in sequence, the diameter of the first insulation wheel (2-1) is larger than that of the second insulation wheel (2-3), and the first insulation wheel (2-1), the insulation cross shaft (2-2) and the second insulation wheel (2-3) are integrally formed.
5. The portable steel rail grinding machine according to claim 4, wherein three traveling wheels (2) are provided at the front and rear ends of the bottom of the horizontal rectangular frame (1), the three traveling wheels (2) are arranged in a triangle, two traveling wheels (2) are provided at the lower part, one traveling wheel (2) is provided at the upper part, the first insulating wheel (2-1) of one of the two traveling wheels (2) at the lower part is located at the outer side, and the first insulating wheel (2-1) of the other one is located at the inner side.
6. A portable rail grinding machine according to claim 1 wherein the rectangular frame (1) is provided on both left and right sides with guards (22) to shield the grinding sparks of the grinding wheel.
7. A portable rail grinding machine according to claim 1, characterized in that the rectangular frame (1) and the doorframe-type bracket (7) are made of a metal material.
8. A portable rail grinding machine according to claim 1 wherein vertical rails (25) are provided on the doorframe-type support (7).
9. A portable rail grinding machine according to claim 1 wherein the frame-type carrier (7) is provided with transverse rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646992.3U CN209907129U (en) | 2019-05-07 | 2019-05-07 | Portable steel rail grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646992.3U CN209907129U (en) | 2019-05-07 | 2019-05-07 | Portable steel rail grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209907129U true CN209907129U (en) | 2020-01-07 |
Family
ID=69047165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920646992.3U Expired - Fee Related CN209907129U (en) | 2019-05-07 | 2019-05-07 | Portable steel rail grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209907129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575277A (en) * | 2023-07-13 | 2023-08-11 | 山东派力恩机械制造有限公司 | Maintenance device with splash preventing function for railway track |
-
2019
- 2019-05-07 CN CN201920646992.3U patent/CN209907129U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575277A (en) * | 2023-07-13 | 2023-08-11 | 山东派力恩机械制造有限公司 | Maintenance device with splash preventing function for railway track |
| CN116575277B (en) * | 2023-07-13 | 2023-09-12 | 山东派力恩机械制造有限公司 | Maintenance device with splash preventing function for railway track |
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Granted publication date: 20200107 Termination date: 20210507 |