CN205134114U - Accord with and use sleeper to lay two pillow tamping units of interval standard as boundary limit - Google Patents
Accord with and use sleeper to lay two pillow tamping units of interval standard as boundary limit Download PDFInfo
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- CN205134114U CN205134114U CN201520243690.3U CN201520243690U CN205134114U CN 205134114 U CN205134114 U CN 205134114U CN 201520243690 U CN201520243690 U CN 201520243690U CN 205134114 U CN205134114 U CN 205134114U
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Abstract
The utility model relates to a make firm by ramming the railway railway roadbed, accord with and use sleeper to lay two pillow tamping units of interval standard as boundary limit, the technical foundation is two pillow tamping units (see for details the ISBN 7 -113 -02542 -0 rail man job training of china railway press state -compiled textbook " the track lining tamping car is played in the levelling " book in first festival of chapter 3) of austrian state PLASSER&THEURER company, the utility model discloses a technical essential is directed against the problem proposition rectifying and improving scheme that the original design exists, and the outer arm of making firm by ramming of restriction is swung lay the standard boundary limit of being confirmed of interval with the sleeper in, makes the two tamping units of resting the head on of this kind can install many covers in proper order on making the frame firm by ramming, the utility model discloses the purpose that reaches makes the two pillow tamping units of this kind promote specifications, reduces manufacturing cost, becomes the replacement part of like product, becomes the matched part of the higher operating efficiency tamping car of system maker man research and development.
Description
Technical field
The utility model relate to a kind of make firm by ramming railway ballast, meet with sleeper laying separation criteria two pillow tamping units that are gauge, technical foundation is two pillows tamping unit (referring to chapter 3 first segment in China Railway Press ISBN7-113-02542-0 rail man on-the-job training state-compiled textbook " levelling plays a track lining tamping car " book) of PLASSER & THEURER company of Austrian state; Technical essential of the present utility model proposes rectification scheme for former design Problems existing, limit outer tamping arm to swing in the determined gauge of sleeper laying separation criteria, and this two pillow tamping unit can be overlapped making firm by ramming vehicle frame installs successively more; The object that the utility model will reach makes this two pillow tamping unit lift technique performance, reduces manufacturing cost, become the replacement parts of like product, become the matching component of the higher operating efficiency tamping car of system maker man research and development.
Background technology
The Ministry of Railways of China introduced 08-32 step-by-step movement two pillow tamping car examination on probation of PLASSER & THEURER company of Austrian state (hereinafter referred to as P & T company) in 1984, the manufacturing technology of this type is introduced in nineteen ninety, tissue production domesticization batch production, introduced again the higher 09-32 type main car frame continuously and smoothly of operating efficiency to run later, (hereinafter referred to as continous way) two pillow tamping car and the 09-3X type continous way three of making the cycling service of vehicle frame step-by-step movement firm by ramming are rested the head on the manufacturing technology of tamping car and organize production domesticization batch production.Contrast technical performance and the operating efficiency of these three types, such technological progress trend can be judged: the type of higher operating efficiency more meets the demand of modern railways maintenance project, improve and make vehicle frame stepping efficiency firm by ramming and increase the fundamental measure that tamping unit quantity is raising overall operation efficiency.
P & T company rests the head in the middle of two cover tamping units of tamping car in 09-3X continous way three, install the special conformability tamping unit of a nested structure additional, this three covers tamping unit is worked in coordination synchronization job, define a kind of 09-4X continous way four and rest the head on tamping car type, operating efficiency is improved again than 09-3X type.
No. CN2892942Y of P & T company patent describes another kind of continous way four and rests the head on tamping car type, it vehicle frame has installed successively two covers two pillow tamping unit making firm by ramming, four sleepers can be made firm by ramming during synchronization job simultaneously, when the location operation that sleeper pitch is special, wipe for preventing outermost tamping pickaxe and touch sleeper, only use a set of two pillow tamping unit to make two sleepers firm by ramming.
The superiority of this type is by people are admitted, and adopt two pillow tamping units that more covers are such, the type that research and development operating efficiency is higher, by people are paid close attention to.
Two pillow tamping units of eccentric ratio rocking vibration, the asynchronous clamping railway ballast of tamping pickaxe are the patented technologies of P & T company invention, and this two pillow tamping unit used for three more than ten years in China, and the pluses and minuses of its structural performance are all well known.In state-owned tamping car manufacturing enterprises and tamping unit manufacturing enterprise on the basis of this patented technology, propose some improvement projects for problem existing for structural performance, some patents of invention and utility model patent are declared, but two pillow tamping units that these patents are introduced all do not solve practical problems well, do not meet the gauge determined with sleeper laying separation criteria, do not possess the feasibility of installing many covers successively yet.
Summary of the invention
The utility model is on the patented technology basis of the eccentric ratio rocking vibration of P & T company, the asynchronous clamping railway ballast of tamping pickaxe, propose rectification scheme for former design Problems existing, form a kind of two pillow tamping units that to meet with sleeper laying separation criteria be gauge.This device is installed by casing, lead, hoist cylinder is installed, outer clamping oil cylinder is assembled, eccentric vibrating axle is assembled, interior clamping oil cylinder is assembled, outer tamping arm is assembled, interior tamping arm is assembled, totally 9 kinds of assembling parts are shaping for oil motor support installing, can install many covers successively by gauge spacing.
Content of the present utility model is achieved by following embodiments;
1. based on the casing of parts be by intermediate, tamping arm mounting rail, stiffener, boss, oil motor support installing seat, gusset totally 6 kinds of assembling parts to weld aft-loaded airfoil shaping, structural strength and assembly parameter meet the exercise performance requirement of eccentric vibrating axle, interior consolidated oil jar, outer consolidated oil jar, interior tamping arm, outer tamping arm, bearing support, oil motor support, lead, hoist cylinder totally 9 kinds of parts.
2. eccentric vibrating axle is identical two pieces, respectively with 2 bearing supporting location, inner bearing is arranged in the bearing saddle bore on casing, the bearing of outer end is arranged in a dismantled and assembled bearing support, casing installation site is moved to after eccentric vibrating axle assembled formation, be fastened on by bearing support on casing, the inner of diaxon connects with spline housing, does not touch the native mode of opposite side during dismounting side.
3. on the cylinder body of interior clamping oil cylinder, be provided with identical outer clamping oil cylinder mount pin axle bed, make the structure of outer clamping oil cylinder single, make two oil cylinders be installed together to homonymy sleeper clamping railway ballast; Interior clamping oil cylinder lower shaft bearing divides monaural type and two kinds, ears type, and the bearing support earrings that structure is different is provided with the combination seal of dimension, reduces lubricating grease leakage amount.
4. clamping oil cylinder covers and arranges piston rod withdrawal stopping means outside, controls the distance of outer tamping arm and gauge; Stretch out stopping means at piston arranged outside piston rod, control outer tamping arm clamping stroke; Combination seal is set at the two ends of pin shaft hole, coordinates with bearing pin circumference and realize sealing.
5. by the tamping pickaxe installation site marshalling on interior tamping arm and outer tamping arm, the assembling of tamping arm and tamping pickaxe adopts Cone fit structure, and tamping pickaxe axis of cone end nut realizes axially fastening; Tamping pickaxe pick palm end face is trapezoidal and symmetrical with pick bar center line, in use procedure pick bar slightly flexural deformation time, conversion installation direction will increase preset clearance; Pick palm lower limb processes dovetail groove, soldering hard, wear-resistant alloy block in groove; Pick palm two sides process groove, soldering hard, wear-resistant alloy sheet in groove.
6. lead two ends all adopt subdivision seat to realize radial location, lead upper end bolt realizes axial location, lead diameter specifications is determined according to Chinese diameter of piston rod series (JB826-66) standard, selects combination seal and the dust ring of cylinder piston rod.
7. the connecting of hoist cylinder and casing, by integral nut by the piston rod fastening for upper joint bearing inner race, prevent nut from getting loose with spring detent; Upper joint bearing outer ring exceeds installation bore, is contained between gland and casing by oscillating bearing gap adjusting pad.
8. oil motor support adopts upper and lower both ends horizontal face draw bail, and lower end is main supporting, and upper end is aiding support, oil motor support both sides Flywheel protective cover.
Accompanying drawing explanation
Fig. 1 meets with sleeper laying separation criteria two pillow tamping unit general assembly drawings that are gauge;
Fig. 2 is body structure figure, and left figure partly cuts open front view, right figure be loaded onto bearing support (19) partly cut open left view;
Fig. 3 is lead installation drawing;
Fig. 4 is hoist cylinder tailpiece of the piston rod installation drawing;
Fig. 5 is outer clamping oil cylinder assembly drawing;
Fig. 6 is eccentric vibrating axle assembly drawing;
Fig. 7 is interior clamping oil cylinder assembly drawing, and upper figure partly cuts open front view, bottom left figure be ears type oil cylinder at piston rod earrings complete section right view, bottom right figure is that monaural type oil cylinder is at piston rod earrings complete section right view;
Fig. 8 is tamping arm assembly drawing, and left figure is interior tamping arm front view, and middle figure is outer tamping arm front view, and right figure is outer tamping arm sectional view;
Fig. 9 is oil motor support installing figure, and left figure is front view, and right figure is assembly relation sectional view.
Detailed description of the invention
Contrast accompanying drawing below and specific embodiments is described;
Fig. 1 meets with sleeper laying separation criteria two pillow tamping unit general assembly drawings that are gauge, being the sectional view of casing (1) on the left of center line, is the view having cut off oil motor support (9), taken off the part of gear before interior clamping oil cylinder (6) on the right side of center line.Diagram casing (1) is in preparation job position, the piston rod of interior clamping oil cylinder (6) is released outer dead point by hydraulic oil and pressurize locks, the piston rod of outer clamping oil cylinder (4) is retracted into inner dead point by hydraulic oil and pressurize locks, eccentric vibrating axle (5) rotates, the interior clamping oil cylinder (6) be arranged on eccentric shaft part makes interior tamping arm assembly (8) of reciprocating vibration, and the adjacent profile of interior tamping arm assembly (8) does not interfere with each other.The outer clamping oil cylinder (4) be arranged on interior clamping oil cylinder (6) makes outer tamping arm assembly (7) of reciprocating vibration, and the outline of outer tamping arm assembly (7) does not invade the gauge (10) determined with two sleeper laying normal pitches.Operation procedure starts, hoist cylinder (3) piston rod stretches out and casing (1) is run downwards along lead (2), outer tamping arm (7) can not invade gauge (10) in descending process, when casing (1) goes downwards to precalculated position, the piston rod of outer clamping oil cylinder (4) stretches out, and oil cylinder assembly parameter ensures that piston rod earrings profile can not invade gauge (10).After clamping process terminates, hoist cylinder (3) piston rod is regained and casing (1) is upwards run along lead (2), stops, wait for next operation procedure signal to illustrated preparation job position.
Fig. 2 is body structure figure, and left figure partly cuts open front view, right figure be loaded onto bearing support (19) partly cut open left view.Casing (1) by intermediate (11), stiffener (12), tamping arm mounting rail (13), boss (14), oil motor support installing seat board (15), gusset (16) totally 6 kinds of weld parts form.Bearing support (19) need and casing (1) assemble fastening after coordinate machining bearing bore, reference for assembling is furnished with gap adjusting pad (18), guide-localization key (17).
Fig. 3 is lead installation drawing.The two ends of lead (2) all adopt subdivision seat (21) to realize radial location, and upper end bolt (20) realizes axial location.Dust ring (25) is housed in the groove of gland (24), combination seal (23) is housed between gland (24) and fairlead (22).The notch cuttype slip ring that combination seal is made up of filled polytetrafluoroethylene material and rubber o-ring form, and be also called this special envelope, its sealing performance 119-120 page in " levelling plays track lining tamping car " book has discussion.
Fig. 4 is hoist cylinder tailpiece of the piston rod installation drawing.The inner ring of upper joint bearing (31) is pressed on the piston rod step of hoist cylinder (3) by nut (28), spring detent (29) prevents nut (28) from getting loose, after upper joint bearing (31) and hypozygal bearing (30) compress in the installation bore on casing by gland (26), detect the gap below gland (26) and configure the suitable adjusting pad of thickness (27), 2 oscillating bearings can be slided with minimum clearance.
Fig. 5 is outer clamping oil cylinder assembly drawing.Outer clamping oil cylinder (4) is designed to single structure, and piston (35) is fastened on the step of piston rod (37) by nut (34), and spring detent (33) prevents nut (34) from getting loose.Diagram limiting gasket (36) is concordant with piston (35) end face, the end face of piston (35) can arrive the position contacted with fairlead (38), change the outfit the limiting gasket (36) of designated length, and its numerical value exceeding piston (35) end face is exactly that stroke reduces numerical value.Be contained in the retrieving position of the combined altitudes limited piston bar (37) of the bolt group (40) on cylinder cap (39).At pin shaft hole built with composite bush (32), pin shaft hole end face is equipped with combination seal (41), by bearing pin (43) through pin-and-hole, bearing pin (43) circumference just realizes radial seal with combination seal (41), back-up ring (42) prevents combination seal (41) from axially deviating from, and nut (45) and packing ring (44) are the mating fastener of bearing pin (43).
Fig. 6 is eccentric vibrating axle assembly drawing.Eccentric vibrating axle (5) is identical two pieces, bearing (51) wait of left end is installed in the bearing saddle bore on casing (1), the bearing (51) of right-hand member is arranged on bearing support (19), diaxon connects when diaxon level is docked by spline housing (48), the eccentric vibrating axle of dismounting side, does not touch the native mode of opposite side.
Assembling sequence is; The monaural type of interior clamping oil cylinder (6) is put location, the outer ring of spacer ring (67), bearing (68) is loaded onto in earrings, in bearing cover (71), load onto combination seal (70), bearing cover is installed on earrings.The ears type of interior clamping oil cylinder (6) is put location.Load onto the inner ring of left bearing (68) from the left end of eccentric vibrating axle (5), the inner ring of left bearing (68) is put in place the earrings that the right-hand member of eccentric vibrating axle (5) passes interior clamping oil cylinder (6).The inner ring loading onto right bearing (68) from the right-hand member of eccentric vibrating axle (5) puts in place, makes eccentric vibrating axle (5) basic fixed position in the monaural ring of interior clamping oil cylinder (6).Then from the two ends of eccentric vibrating axle (5), the outer ring of spacer ring (69), the seal receptacle (61) enclosing combination seal (62), spacer ring (63), bearing (64), inner ring, the bearing cover (65) enclosing combination seal (62), spacer ring (66) are loaded successively successively and put in place.
From the left end of eccentric vibrating axle (5) spacer ring (52), the bearing cover (54) enclosing oil sealing (53), bearing (51), spacer ring (49), oil sealing (50), nut (46), bayonet lock (47), spline housing (48) loaded successively and put in place.
From the right-hand member of eccentric vibrating axle (5), the inner ring of spacer ring (52), bearing (51), spacer ring (49) loading are put in place.Oil sealing (50) is installed to bearing cover (55) upper, successively the outer ring of bearing (51), oil sealing (53), the bearing cover (55) that filled oil sealing (50) are installed on dismantled and assembled bearing support (19).By the Internal and external cycle contraposition of bearing (51).
When eccentric vibrating axle (5) is installed on casing (1) (referring to Fig. 1), first the outer ring of the oil sealing (50) of left end, bearing (51), bearing cover that oil sealing (53) is housed are installed on casing (1) successively, eccentric vibrating axle (5) is put in place toward casing (1) is above horizontally mounted, detect the axial gap of bearing (51), the combination thickness of apolegamy adjusting pad (18), fastener shaft bearing (19).
Free wheel base (56), nut (46), bayonet lock (47), the passive flange of shaft coupling (58) rubber ring (59), initiatively flange (60), flywheel (57) is loaded successively at the right-hand member of eccentric vibrating axle (5).
Fig. 7 is interior clamping oil cylinder assembly drawing, and upper figure partly cuts open front view, bottom left figure be ears type oil cylinder at piston rod earrings complete section right view, bottom right figure is that monaural type oil cylinder is at piston rod earrings complete section right view.The assembly relation of piston rod construction and the identical of the real oil cylinder of outer clamping (4), assembly relation existing statement in the assembling view of the eccentric vibrating axle (5) shown in Fig. 6 of earrings inner bearing part.
Fig. 8 is tamping arm assembly drawing, and left figure is interior tamping arm front view, and middle figure is outer tamping arm front view, and right figure is outer tamping arm sectional view, and the assembled condition of inside and outside tamping arm is identical.
The shaft part that tamping pickaxe (75) matches with outer tamping arm (7) adopts taper fit, the pore structure of tamping arm (7) is divided into three sections, axial force during railway roadbed is inserted under large end carrying tamping pickaxe (75) of taper hole, the cylindrical hole in stage casing does not contact with the axis of cone, the reverse taper hole of the other end makes the axis of cone small end of tamping pickaxe (75) coordinate with reverse taper hole by one group of subdivision cover of wedge (77), shaft end nut (79) is by spring washer (78) axial compression subdivision cover of wedge (77), keyway in flat side's insertion tamping pickaxe (75) axis of cone that the pin (76) that tamping arm (7) side loads is inner, restriction tamping pickaxe (75) is rotated around axial line.Two sections of cones in tamping pickaxe (75) axis of cone coordinate the moment of common carrying pick palm clamping railway ballast.
During dismounting tamping pickaxe (75), unload shaft end nut (79) and spring washer (78), squeeze into taper (80), the axis of cone of tamping pickaxe (75) will deviate from taper hole.
The pick palm end face of tamping pickaxe (75) is trapezoidal and symmetrical with pick bar center line, in use procedure pick bar slightly flexural deformation time, conversion installation direction will increase preset clearance; Pick palm lower limb processes dovetail groove, soldering hard, wear-resistant alloy block (73) in groove; Pick palm two sides process groove, soldering hard, wear-resistant alloy sheet (74) in groove.
When outer tamping arm assembly (7) is installed on tamping arm mounting rail (13), first copper sheathing (81) is put in bore, combination seal (82) is put in copper sheathing (81), by outer tamping arm assembly (7) toward the upper contraposition of tamping arm mounting rail (13), by bearing pin (83) through pin-and-hole, load onto retaining baffle plate (84).
When the piston rod (37) of outer clamping oil cylinder (4) is installed on tamping arm assembly (7), for eliminating outer clamping oil cylinder by lateral force, first check gap and match the back-up ring (42) of suitable thickness, by bearing pin (43) through pin-and-hole, load onto packing ring (44), upper jack panel (45), bearing pin (43) is fastened on the arm of left side, and right arm is blocked can not open by the shaft shoulder of bearing pin (43).
Fig. 9 is oil motor support installing figure, and left figure is front view, and right figure is assembly relation sectional view.On the bending plate of oil motor support (9) lower end, plane is combined with the lower plane being welded on the oil motor support installing seat board (15) on intermediate (11), the plate end face of upper end is connected with intermediate (11) by auxiliary stand (87), oil motor support both sides Flywheel protective cover (88).
Claims (10)
1. two pillow tamping units that a kind meets with sleeper laying separation criteria is gauge, be installed by casing, lead, hoist cylinder is installed, outer clamping oil cylinder is assembled, eccentric vibrating axle is assembled, interior clamping oil cylinder is assembled, outer tamping arm is assembled, interior tamping arm is assembled, totally 9 kinds of assembling parts are shaping for oil motor support installing, can install many covers successively by gauge spacing.
2. according to claim 1ly meet with sleeper laying separation criteria two pillow tamping units that are gauge, it is characterized in that: based on the casing (1) of parts be by intermediate (11), tamping arm mounting rail (13), stiffener (12), boss (14), oil motor support installing seat (15), gusset (16) totally 6 kinds of assembling parts welding aft-loaded airfoil is shaping, structural strength and assembly parameter meet eccentric vibrating axle (5), interior consolidated oil jar (6), outer consolidated oil jar (4), interior tamping arm (8), outer tamping arm (7), bearing support (19), oil motor support (9), lead (2), the exercise performance requirement of hoist cylinder (3) totally 9 kinds of parts.
3. according to claim 1ly meet with sleeper laying separation criteria two pillow tamping units that are gauge, it is characterized in that: eccentric vibrating axle (5) is identical two pieces, use 2 bearing (51) supporting location respectively, inner bearing (51) is arranged in the bearing saddle bore on intermediate (11), the bearing (51) of outer end is arranged in bearing support (19), installation site can be docked in the upper level of intermediate (11) after 2 groups of eccentric vibrating axle (5) assembled formations, connect with spline housing (48) between diaxon, the native mode of opposite side is not touched during eccentric vibrating axle (5) of dismounting side.
4. according to claim 1ly meet with sleeper laying separation criteria two pillow tamping units that are gauge, it is characterized in that: on the cylinder body of interior clamping oil cylinder (6), be provided with identical outer clamping oil cylinder mount pin axle bed, make the structure of outer clamping oil cylinder (4) single, make two oil cylinders be installed together to homonymy sleeper clamping railway ballast; Interior clamping oil cylinder (6) cylinder bottom bearing support divides monaural type and two kinds, ears type.
5. according to claim 1ly meet with sleeper laying separation criteria two pillow tamping units that are gauge, it is characterized in that: the withdrawal caging bolt group (40) cylinder cap (39) clamping oil cylinder (4) outside being arranged piston rod (37), controls the distance that outer tamping arm (7) swings to gauge (10); At the arranged outside stroke limit cover (36) of piston (35), control the stroke of outer tamping arm (7) clamping railway ballast; Combination seal (41) is set at the two ends of pin shaft hole, coordinates with the circumference of bearing pin (43) and realize sealing.
6. according to claim 1ly meet with sleeper laying separation criteria two pillow tamping units that are gauge, it is characterized in that: tamping pickaxe (75) installation site on interior tamping arm (8) and outer tamping arm (7) is marshalling, tamping pickaxe (75) adopts Cone fit structure with the assembling of tamping arm, and tamping pickaxe axis of cone end nut (79) realizes axially fastening.
7. according to claim 1ly meet with sleeper laying separation criteria two pillow tamping units that are gauge, it is characterized in that: the pick of tamping pickaxe (75) palm end face is trapezoidal and symmetrical with pick bar center line, pick palm lower limb processes dovetail groove, soldering hard, wear-resistant alloy block (73) in groove; Pick the palm two sides on process groove, soldering hard, wear-resistant alloy sheet (74) in groove, tamping pickaxe in use pick bar slightly flexural deformation time, conversion installation direction will increase preset clearance.
8. according to claim 1ly to meet with sleeper laying separation criteria two pillow tamping units that are gauge, it is characterized in that: oil motor support (9) adopts upper and lower both ends horizontal plane connection structure, oil motor support both sides Flywheel protective cover.
9. according to claim 1ly meet with sleeper laying separation criteria two pillow tamping units that are gauge, it is characterized in that: the two ends of lead (2) all adopt subdivision seat (21) to realize radial location, and the upper end bolt (20) of lead (2) realizes axial location.
10. according to claim 1ly meet with sleeper laying separation criteria two pillow tamping units that are gauge, it is characterized in that: the inner ring of upper joint bearing (31) is fastened on the piston rod of hoist cylinder (3) with connecting of casing (1) by integral nut (28) by hoist cylinder (3), prevent nut (28) from getting loose with spring detent (29), the outer ring of upper joint bearing (31) exceeds installation bore, and oscillating bearing gap adjusting pad (27) is contained between gland (26) and casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520243690.3U CN205134114U (en) | 2015-04-21 | 2015-04-21 | Accord with and use sleeper to lay two pillow tamping units of interval standard as boundary limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520243690.3U CN205134114U (en) | 2015-04-21 | 2015-04-21 | Accord with and use sleeper to lay two pillow tamping units of interval standard as boundary limit |
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| Publication Number | Publication Date |
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| CN205134114U true CN205134114U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520243690.3U Expired - Fee Related CN205134114U (en) | 2015-04-21 | 2015-04-21 | Accord with and use sleeper to lay two pillow tamping units of interval standard as boundary limit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421169A (en) * | 2015-04-21 | 2016-03-23 | 肖玉清 | Double-sleeper tamping device with limits conforming to sleeper paving interval standard |
| CN106078043A (en) * | 2016-07-04 | 2016-11-09 | 常州市瑞泰工程机械有限公司 | The welding positioning tool and positioning method thereof of tamping unit casing |
| CN112727928A (en) * | 2020-12-29 | 2021-04-30 | 神华铁路装备有限责任公司 | Guide post lubricating mechanism and tamping device |
| CN114395951A (en) * | 2022-01-19 | 2022-04-26 | 重庆交通职业学院 | Online detection maintenance device for rail fasteners |
-
2015
- 2015-04-21 CN CN201520243690.3U patent/CN205134114U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421169A (en) * | 2015-04-21 | 2016-03-23 | 肖玉清 | Double-sleeper tamping device with limits conforming to sleeper paving interval standard |
| CN105421169B (en) * | 2015-04-21 | 2018-01-09 | 肖玉清 | Meet double pillow tamping units using sleeper laying separation criteria as gauge |
| CN106078043A (en) * | 2016-07-04 | 2016-11-09 | 常州市瑞泰工程机械有限公司 | The welding positioning tool and positioning method thereof of tamping unit casing |
| CN106078043B (en) * | 2016-07-04 | 2017-12-05 | 常州市瑞泰工程机械有限公司 | The welding positioning tool and positioning method thereof of tamping unit casing |
| CN112727928A (en) * | 2020-12-29 | 2021-04-30 | 神华铁路装备有限责任公司 | Guide post lubricating mechanism and tamping device |
| CN114395951A (en) * | 2022-01-19 | 2022-04-26 | 重庆交通职业学院 | Online detection maintenance device for rail fasteners |
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Addressee: Xing Chonghua Document name: Notification to Make Rectification |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20180421 |