CN104709246A - Bridge crane track maintenance auxiliary trolley - Google Patents
Bridge crane track maintenance auxiliary trolley Download PDFInfo
- Publication number
- CN104709246A CN104709246A CN201510117493.1A CN201510117493A CN104709246A CN 104709246 A CN104709246 A CN 104709246A CN 201510117493 A CN201510117493 A CN 201510117493A CN 104709246 A CN104709246 A CN 104709246A
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- roller
- frame
- locking lever
- hole
- vehicle frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a bridge crane track maintenance auxiliary trolley which comprises a frame component, return pulley components, jockey pulley components, a locking lever component, a handrail and rail lifters are arranged on the frame component, and the four corners of a frame are all provided with one return pulley component; two rectangle openings in the middle of the frame are both provided with one jockey pulley component; a slide bar of the frame is sleeved with a clamping arm; a pair of rail lifters are arranged in mounting holes of lugs at the two sides of the frame. The bridge crane track maintenance auxiliary trolley has the advantages of being reasonable in structure and sturdy and durable, and providing a safe and efficient mobile platform for bridge crane track maintenance.
Description
Technical field
The invention belongs to mechanical equipment technical field, for the maintenance of single track bridge crane track, be specifically related to a kind of bridge crane track maintenance accessory cart.
Background technology
Crane in bridge type is the widest as range of use, and the weight-lifting equipment that quantity is maximum is widely used in the places such as indoor and outdoor warehouse, factory building, harbour.In hoisting crane use procedure, the problems such as track often there will be bolt of rear end plate fracture, pressing plate loosens, radius off-set joint, backing plate and cushion come off, thus occur when causing hoisting crane to run shaking, gnawing the faults such as rail.Track on cement beam particularly under open-air atmosphere, due to long-term erosion by wind and rain, pressing plate bolt of rear end plate often ruptures, and blocks in the bolt hole on cement beam together with dust, cannot take out, and cause rail pressing plate to be fixed, orbit problem takes place frequently.
In order to address these problems, crane track regularly must carry out the maintenance adjustment operations such as absolute altitude deviation, gauge deviation, play movement, radius off-set joint.But, because crane track is installed on the track girder in high-altitude, cause that working space is little, danger coefficient is high, work efficiency is low.
Summary of the invention
The object of this invention is to provide a kind of bridge crane track maintenance accessory cart, under solving prior art condition, because crane track is installed on the track girder in high-altitude, cause the problem that working space is little, danger coefficient is high, work efficiency is low.
The technical solution used in the present invention is, a kind of bridge crane track maintenance accessory cart, comprises chassis assembly, chassis assembly is separately installed with return pulley assembly, supporting roller component, locking lever assembly, handrail and rail lifter.
Bridge crane track maintenance accessory cart of the present invention, is further characterized in that:
The structure of chassis assembly is, comprise vehicle frame, the knock hole of return pulley assembly is provided with in vehicle frame corner, slide bar is had along vehicle frame longitudinal centerline, tie rod, the knock hole of jam nut, and have two rectangular opening for arranging supporting roller component, the mounting hole of a rail lifting leading screw is respectively arranged with along vehicle frame longitudinal centerline both sides lug, pass through slide bar, the positioning through hole of tie rod, a slide bar is welded with respectively at vehicle frame upper surface, four tie rods, four tie rods are successively set on two rectangular opening both sides respectively, jam nut is provided with between two tie rods of centre, jam nut lower surface is passed vehicle frame and is welded and fixed, jam nut upper surface is provided with position plate, position plate has tie rod, the mounting hole of locking lever and the square hole of cooperation roller frame, four tie rods are upward through position plate together and are welded and fixed with position plate, two square openings are had in position plate,
The square axis headgear of top end of sliding rod is equipped with handrail, and the top end face that slide bar upwards exposes handrail axially has the screw coordinated with bolt two; Tie rod top circumference is provided with the screw thread coordinated with nut three; Jam nut cylindrical is provided with and the axial notch being close to two tie rods and coordinating.
Be separately installed with one group of return pulley assembly in the knock hole of vehicle frame corner, the return pulley axle upper end often organizing return pulley assembly is fastening by a nut two; One group of supporting roller component is separately installed with in two rectangular opening in the middle part of vehicle frame, the upper end of the tie rod on each group supporting roller component both sides is installed with a spring bearer plate by nut three, the roller frame upper end of each supporting roller component is upward through position plate and stretches out corresponding spring bearer plate, and the pin-and-hole place that spring bearer plate is stretched out in roller frame upper end is inserted with spring cotter; Be set with spring in the middle part of roller frame, spring upwards with spring bearer plate apical grafting, spring is downwards and the square face apical grafting of roller frame; The return pulley of roller frame bottom is passed down through the rectangular opening on vehicle frame and supports in orbit; Slide bar on vehicle frame is set with clamping limb;
A pair rail lifter is installed in the mounting hole of vehicle frame both sides lug;
The locking lever of locking lever assembly is installed in jam nut.
Handrail is closed loop configuration, have the square hole coordinating slide bar and orienting cover, orienting cover is provided with cubic boss, and raised head face has the through hole by bolt two, top end of sliding rod and handrail and orienting cover fixedly sleeved, fastening through the cubic spindle nose of orienting cover and handrail and top end of sliding rod by bolt two.
The structure of each return pulley assembly comprises the return pulley that axle center is vertical, and return pulley is socketed by bearing one and return pulley axle; The excircle of return pulley is provided with the cone inclined-plane of fitting with track side surfaces.
The structure of supporting roller component is, comprise roller frame, in roller frame, level is installed with supporting-roller shaft, supporting-roller shaft is set with support roller by bearing two, a dottle pin is respectively arranged with between support roller both ends of the surface and roller frame medial surface, there is the screw thread coordinated with nut one at supporting-roller shaft two ends, and supporting-roller shaft two ends are stretched out outside roller frame and are separately installed with a nut one; There is the through hole by supporting-roller shaft support roller inside, and through hole two ends are provided with the step surface installing bearing two;
Roller frame bottom is the U-shaped opening installing support roller and dottle pin, and the Step Shaft on roller frame top is square step, round platform rank, roundlet step, little square step from bottom to top successively; The square step in each roller frame bottom coordinates with the square opening of on position plate; The little square step on roller frame top coordinates with spring bearer plate; Round platform rank, roller frame bottom are in order to pocketed springs; Roller frame Step Shaft top has a radial pin-and-hole for construction opening pin.
The structure of locking lever assembly comprises locking lever, and locking lever top is socketed with handwheel, and handwheel is fixedly connected with locking lever by bolt one and gland; Locking lever top is six square shaft heads, and handwheel has the hexagonal hole matched with six square shaft heads of locking lever, and locking lever head hub is provided with the tapped blind hole coordinated with bolt one; Locking lever lower circumferential face is the screw thread coordinated with jam nut; Locking lever lower surface has cross recess.
The structure of rail lifter is, the mounting hole lower surface being included in vehicle frame both sides lug is fixed with a bearing seat respectively, each bearing seat middle and upper part is provided with one group of single direction thrust ball bearing, each bearing seat bottom inner circle is set to the screw that removes a rail, in rail lifting screw, screw collar is connected to rail lifting leading screw, and rail lifting leading screw is from top to bottom successively through the mounting hole of rail lifting screw, single direction thrust ball bearing and vehicle frame; Rail lifting leading screw upper end is set to six square shaft heads, and rail lifting leading screw lower surface also has cross recess.
The invention has the beneficial effects as follows, the assistance platform of a safety and firmness is provided, in track maintenance operation process, clamping pneumatic, power tool can be realized, to increase work efficiency, to reduce danger coefficient.
Accompanying drawing explanation
Fig. 1 is the integral installation distribution structure schematic diagram of apparatus of the present invention;
Fig. 2 is the assembling schematic diagram of the chassis assembly 24 in apparatus of the present invention;
Fig. 3 is the assembling schematic diagram of the handrail 19 in apparatus of the present invention;
Fig. 4 is the assembling schematic diagram of the return pulley assembly 23 in apparatus of the present invention;
Fig. 5 is the assembling schematic diagram of the supporting roller component 25 in apparatus of the present invention;
Fig. 6 is the assembling schematic diagram of the locking lever assembly 31 in apparatus of the present invention;
Fig. 7 is the assembling schematic diagram of the rail lifter in apparatus of the present invention;
Fig. 8 is apparatus of the present invention perspective view in working order.
In figure, 1. return pulley, 2. return pulley axle, 3. bearing one, 4. nut one, 5. roller frame, 6. dottle pin, 7. support roller, 8. supporting-roller shaft, 9. bearing two, 10. handwheel, 11. bolts one, 12. locking levers, 13. glands, 14. vehicle frames, 15. slide bars, 16. tie rods, 17. jam nuts, 18. position plates, 19. handrails, 20. bolts two, 21. orienting covers, 22. clamping limbs, 23. return pulley assemblies, 24. chassis assemblies, 25. supporting roller components, 26. nuts two, 27. springs, 28. spring bearer plates, 29. nuts three, 30. spring cotters, 31. locking lever assemblies, 32. rail lifting screws, 33. rail lifting leading screws, 34. single direction thrust ball bearings.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
With reference to Fig. 1, the integral structure of apparatus of the present invention is, comprises chassis assembly 24, and chassis assembly 24 is separately installed with return pulley assembly 23, supporting roller component 25, locking lever assembly 31, handrail 19 and rail lifter.
With reference to Fig. 2, the structure of chassis assembly 24 is, comprise vehicle frame 14, the knock hole of return pulley assembly 23 is provided with vehicle frame 14 4 jiaos, slide bar 15 is had along vehicle frame 14 longitudinal centerline, tie rod 16, the knock hole of jam nut 17, and have two rectangular opening for arranging supporting roller component 25, the mounting hole of a rail lifting leading screw 33 is respectively arranged with along vehicle frame 14 longitudinal centerline both sides lug, by slide bar 15, the positioning through hole of tie rod 16, a slide bar 15 is welded with respectively at vehicle frame 14 upper surface, four tie rods 16, four tie rods 16 are successively set on two rectangular opening both sides respectively, jam nut 17 is provided with between two tie rods 16 of centre, jam nut 17 lower surface is passed vehicle frame 14 and is welded and fixed, jam nut 17 upper surface is provided with position plate 18, position plate 18 has tie rod 16, the mounting hole of locking lever 12 and the square hole of cooperation roller frame 5, four tie rods 16 are upward through position plate 18 together and are welded and fixed with position plate 18, two square openings are had, for passing roller frame 5 in position plate 18.
The square axis headgear on slide bar 15 top is equipped with handrail 19, and the top end face that slide bar 15 upwards exposes handrail 19 axially has the screw coordinated with bolt 2 20; Tie rod 16 top circumference is provided with the screw thread coordinated with nut 3 29; Jam nut 17 cylindrical is provided with and is close to axial notch that two tie rods 16 coordinate for clamping location.
With reference to Fig. 3, handrail 19 is closed loop configuration, have the square hole coordinating slide bar 15 and orienting cover 21, orienting cover 21 is while be provided with cubic boss, raised head face has the through hole by bolt 2 20, slide bar 15 top and handrail 19 and orienting cover 21 fixedly sleeved, by bolt 2 20 through orienting cover 21 and handrail 19 fastening with the cubic spindle nose on slide bar 15 top, after assembling between three parts without relatively rotating.
With reference to Fig. 4, the structure of each return pulley assembly 23 is, comprises the vertical return pulley in axle center 1, and return pulley 1 is socketed by bearing 1 and return pulley axle 2; The excircle of return pulley 1 is provided with the cone inclined-plane of fitting with track side surfaces.
With reference to Fig. 5, the structure of supporting roller component 25 is, comprise roller frame 5, in roller frame 5, level is installed with supporting-roller shaft 8, supporting-roller shaft 8 is set with support roller 7 by bearing 29, is respectively arranged with a dottle pin 6 between support roller 7 both ends of the surface and roller frame 5 medial surface, there is the screw thread coordinated with nut 1 at supporting-roller shaft 8 two ends, supporting-roller shaft 8 two ends are stretched out outside roller frame 5 and are separately installed with a nut 1, realize fastening; There is the through hole by supporting-roller shaft 8 support roller 7 inside, and through hole two ends are provided with the step surface installing bearing 29;
Roller frame 5 bottom is the U-shaped opening installing support roller 7 and dottle pin 6, and the Step Shaft on roller frame 5 top is square step, round platform rank, roundlet step, little square step from bottom to top successively; The square step in each roller frame 5 bottom coordinates with the square opening of on position plate 18; The little square step on roller frame 5 top coordinates with spring bearer plate 28, guarantees that supporting roller component 25 can only vertically move reciprocatingly; Round platform rank, roller frame 5 bottom are in order to pocketed springs 27; Roller frame 5 Step Shaft top has a radial pin-and-hole for construction opening pin 30.
With reference to Fig. 6, the structure of locking lever assembly 31 is, comprises locking lever 12, and locking lever 12 top is socketed with handwheel 10, and handwheel 10 is fixedly connected with locking lever 12 by bolt 1 and gland 13, realizes the fastening of handwheel 10 and locking lever 12.Locking lever 12 top is six square shaft heads, and handwheel 10 has the hexagonal hole matched with six square shaft heads of locking lever 12, and locking lever 12 head hub is provided with the tapped blind hole coordinated with bolt 1; Locking lever 12 lower circumferential face is the screw thread coordinated with jam nut 17; Locking lever 12 lower surface has cross recess, in order to increase the friction coefficient with orbital plane.
With reference to Fig. 7, Fig. 8, the structure of rail lifter is, mounting hole (unthreaded hole) lower surface being included in vehicle frame 14 both sides lug is fixed with a bearing seat respectively, each bearing seat middle and upper part is provided with one group of single direction thrust ball bearing 34, each bearing seat bottom inner circle is set to the screw 32 that removes a rail, in rail lifting screw 32, screw collar is connected to rail lifting leading screw 33, rail lifting leading screw 33 is from top to bottom successively through the mounting hole of rail lifting screw 32, single direction thrust ball bearing 34 and vehicle frame 14, and single direction thrust ball bearing 34 and rail lifting screw 32 are for supporting the vertical position limiting rail lifting leading screw 33; Rail lifting leading screw 33 upper end is set to six square shaft heads, and for manually turning rail lifting leading screw 33, rail lifting leading screw 33 lower surface also has cross recess, in order to increase the friction coefficient with track girder.
With reference to Fig. 1, Fig. 8, the integral structure of dolly of the present invention is, is separately installed with one group of return pulley assembly 23 in the knock hole of vehicle frame 14 4 jiaos, and return pulley axle 2 upper end often organizing return pulley assembly 23 is fastening by a nut 2 26; One group of supporting roller component 25 is separately installed with in two rectangular opening in the middle part of vehicle frame 14, the upper end of the tie rod 16 on each group supporting roller component 25 both sides is installed with a spring bearer plate 28 by nut 3 29, roller frame 5 upper end of each supporting roller component 25 is upward through position plate 18 and stretches out corresponding spring bearer plate 28, and the pin-and-hole place that spring bearer plate 28 is stretched out in roller frame 5 upper end is inserted with spring cotter 30; Be set with spring 27 in the middle part of roller frame 5, spring 27 upwards with spring bearer plate 28 apical grafting, spring 27 is downwards and the square face apical grafting of roller frame 5; The return pulley 1 of roller frame 5 bottom is passed down through the rectangular opening on vehicle frame 14 and supports in orbit; Slide bar 15 on vehicle frame 14 be set with clamping limb 22 and prevent from by handrail 19 is spacing, clamping limb 22 being provided with sleeve and coordinating with slide bar 15, clamping limb 22 other end is provided with clencher;
In the mounting hole of vehicle frame 14 both sides lug, a pair rail lifter is installed;
The locking lever 12 of locking lever assembly 31 is installed in jam nut 17.
The assembling process of apparatus of the present invention is:
1, the assembly of various piece is assembled
1.1) assemble return pulley assembly 23, the socket of return pulley 1, return pulley axle 2 and bearing 1 is put in place, sees Fig. 1.
1.2) assemble supporting roller component 25, first bearing 29 is loaded support roller 7 two ends, then support roller 7 is put into roller frame 5 opening portion, both sides are put dottle pin 6 and are put on supporting-roller shaft 8 and be socketed into overall and fastening with nut 1, see Fig. 2.
1.3) assemble locking lever assembly 31, first handwheel 10 and locking lever 12 are socketed, more fastening through gland 13 with bolt 1, see Fig. 3.
1.4) chassis assembly 24 is assembled, first slide bar 15 and four tie rods 16 are respectively charged into vehicle frame 14 correspondence knock hole and weld firm, jam nut 17 is loaded and is close to vehicle frame 14 between middle two tie rods 16 and welds, position plate 18 is enclosed within tie rod 16, adjust with the gap of vehicle frame 14 after be welded as a whole, see Fig. 4.
2, Assembling bogie is overall,
2.1) first supporting roller component 25 inserted vehicle frame 14 from bottom to top and coordinate with the square hole of position plate 18, spring 27 is enclosed within roller frame 5, spring bearer plate 28 is enclosed within tie rod 16 upper end and matches with roller frame 5, stretch out at roller frame 5 in the upper end pin-and-hole of spring bearer plate 28 and load spring cotter 30, upwards expose the upper end mounting nuts 3 29 of spring bearer plate 28 at tie rod 16, see Fig. 6.
2.2) clamping limb 22 is enclosed within slide bar 15, handrail 19 is enclosed within the cubic spindle nose of slide bar 15 upper end, orienting cover 21 is loaded handrail 19 square hole, more fastening through orienting cover 21 and slide bar 15 with bolt 2 20, see Fig. 5.
2.3) be placed on track by above-mentioned assembly, support roller 7 tread and track upper surface are fitted, and setting nut 3 29 makes spring 27 be in uncompressed state; By return pulley assembly 23 through the knock hole on vehicle frame 14, fastening and ensure that each return pulley 1 is about 20mm with track space with nut 2 26, see Fig. 7.
2.4) locking lever assembly 31 is passed orienting cover 21, coordinates with jam nut 17 after position plate 18, see Fig. 6, regulate locking lever assembly 31 to make vehicle frame 14 away from rail level to ultimate range; Setting nut 2 26, makes four return pulleys 1 all with after rail contact regulate locking lever assembly 31, makes return pulley 1 be about 2mm away from track; Last setting nut 3 29 and spring 27, make return pulley 1 and rail contact, see Fig. 8.
2.5) during rail lifting operation, rail lifting leading screw 33 is threaded through vehicle frame 14, single direction thrust ball bearing 34 and rail lifting screw 32, and single direction thrust ball bearing 34 is respectively charged in the knock hole of vehicle frame 14 and rail lifting screw 32, rail lifting leading screw 34 end face and track girder are fitted, sees Fig. 8.
The principle of work of apparatus of the present invention is:
1) supporting roller component 25 holds up dolly and is clamped by track with return pulley assembly 23 under the effect of spring 27, and dolly can be kept upright state under the prerequisite do not affected by external force.
2) amplitude of oscillation that rear locking lever assembly 31 determines dolly has been assembled, when locking lever 12 end face distance rail level is about 2mm, the amplitude of oscillation about ± 2 ° of dolly entirety under external force.
3) handrail 11 is in closed loop configuration, coordinates the safety of dolly, can provide the security platform of a movement after binding safety strap.
4) roller frame 5 and position plate 18 and coordinating of spring bearer plate 28 make supporting roller component 25 axially can only move reciprocatingly without rotate along roller frame 5.
5) setting of return pulley assembly 23 centre bearer 1, significantly reduces resistance when dolly and track relative motion.No matter be promote dolly, or after rail lifting, moving track adjustable track play movement is all more laborsaving.
6) clamping limb 22 can clamping pneumatic, power tool, by making clamped instrument can along slide bar 15 axial motion and rotation its coordinating with slide bar 15.
7) when needs rail lifting operation, install rail lifting screw 32, rail lifting leading screw 33 and single direction thrust ball bearing 34 additional and use as rail lifter.
8) spring bearer plate 28 has two by the hole of tie rod 16 and the round boss of retainer spring, there is the square hole coordinating roller frame 5 at boss center.
Claims (8)
1. a bridge crane track maintenance accessory cart, it is characterized in that: comprise chassis assembly (24), chassis assembly (24) is separately installed with return pulley assembly (23), supporting roller component (25), locking lever assembly (31), handrail (19) and rail lifter.
2. bridge crane track maintenance accessory cart according to claim 1, it is characterized in that: the structure of described chassis assembly (24) is, comprise vehicle frame (14), be provided with the knock hole of return pulley assembly (23) in vehicle frame (14) corner
Have the knock hole of slide bar (15), tie rod (16), jam nut (17) along vehicle frame (14) longitudinal centerline, and have two rectangular opening for arranging supporting roller component (25),
The mounting hole of a rail lifting leading screw (33) is respectively arranged with along vehicle frame (14) longitudinal centerline both sides lug, by the positioning through hole of slide bar (15), tie rod (16), a slide bar (15), four tie rods (16) are welded with respectively at vehicle frame (14) upper surface, four tie rods (16) are successively set on two rectangular opening both sides respectively, jam nut (17) is provided with between two tie rods (16) of centre
Jam nut (17) lower surface is passed vehicle frame (14) and is welded and fixed, jam nut (17) upper surface is provided with position plate (18), position plate (18) has tie rod (16), the mounting hole of locking lever (12) and the square hole of cooperation roller frame (5), four tie rods (16) are upward through position plate (18) together and are welded and fixed with position plate (18);
The square axis headgear on slide bar (15) top is equipped with handrail (19), and the top end face that slide bar (15) upwards exposes handrail (19) axially has the screw coordinated with bolt two (20); Tie rod (16) top circumference is provided with the screw thread coordinated with nut three (29); Jam nut (17) cylindrical is provided with and the axial notch being close to two tie rods (16) and coordinating.
3. bridge crane track maintenance accessory cart according to claim 2, it is characterized in that: be separately installed with one group of return pulley assembly (23) in the knock hole of described vehicle frame (14) corner, return pulley axle (2) upper end often organizing return pulley assembly (23) is fastening by a nut two (26);
One group of supporting roller component (25) is separately installed with in two rectangular opening at vehicle frame (14) middle part, the upper end of the tie rod (16) on each group supporting roller component (25) both sides is installed with a spring bearer plate (28) by nut three (29)
Roller frame (5) upper end of each supporting roller component (25) is upward through position plate (18) and stretches out corresponding spring bearer plate (28), and the pin-and-hole place that spring bearer plate (28) is stretched out in roller frame (5) upper end is inserted with spring cotter (30);
Roller frame (5) middle part is set with spring (27), spring (27) upwards with spring bearer plate (28) apical grafting, spring (27) is downwards and the square face apical grafting of roller frame (5);
The return pulley (1) of roller frame (5) bottom is passed down through the rectangular opening on vehicle frame (14) and supports in orbit;
Slide bar (15) on vehicle frame (14) is set with clamping limb (22);
In the mounting hole of vehicle frame (14) both sides lug, a pair rail lifter is installed;
The locking lever (12) of locking lever assembly (31) is installed in jam nut (17).
4. bridge crane track maintenance accessory cart according to claim 1, it is characterized in that: described handrail (19) is closed loop configuration, have the square hole coordinating slide bar (15) and orienting cover (21), orienting cover (21) is while be provided with cubic boss, raised head face has the through hole by bolt two (20), slide bar (15) top and handrail (19) and orienting cover (21) fixedly sleeved, by bolt two (20) through orienting cover (21) and handrail (19) fastening with the cubic spindle nose on slide bar (15) top.
5. bridge crane track maintenance accessory cart according to claim 1, it is characterized in that: the structure of each return pulley assembly (23) is, comprise the vertical return pulley in axle center (1), return pulley (1) is socketed by bearing one (3) and return pulley axle (2); The excircle of return pulley (1) is provided with the cone inclined-plane of fitting with track side surfaces.
6. bridge crane track maintenance accessory cart according to claim 4, it is characterized in that: the structure of described supporting roller component (25) is, comprise roller frame (5), in roller frame (5), level is installed with supporting-roller shaft (8), supporting-roller shaft (8) is set with support roller (7) by bearing two (9), a dottle pin (6) is respectively arranged with between support roller (7) both ends of the surface and roller frame (5) medial surface, there is the screw thread coordinated with nut one (4) at supporting-roller shaft (8) two ends, supporting-roller shaft (8) two ends are stretched out outside roller frame (5) and are separately installed with a nut one (4),
There is the through hole by supporting-roller shaft (8) support roller (7) inside, and through hole two ends are provided with the step surface installing bearing two (9);
Roller frame (5) bottom is the U-shaped opening installing support roller (7) and dottle pin (6), and the Step Shaft on roller frame (5) top is square step, round platform rank, roundlet step, little square step from bottom to top successively; The little square step on roller frame (5) top coordinates with spring bearer plate (28);
The square step in each roller frame (5) bottom coordinates with a square opening on position plate (18); Round platform rank, roller frame (5) bottom are in order to pocketed springs (27); Roller frame (5) Step Shaft top has a radial pin-and-hole for construction opening pin (30).
7. bridge crane track maintenance accessory cart according to claim 1, it is characterized in that: the structure of described locking lever assembly (31) is, comprise locking lever (12), locking lever (12) top is socketed with handwheel (10), and handwheel (10) is fixedly connected with locking lever (12) by bolt one (11) and gland (13);
Locking lever (12) top is six square shaft heads, handwheel (10) has the hexagonal hole matched with six square shaft heads of locking lever (12), and locking lever (12) head hub is provided with the tapped blind hole coordinated with bolt one (11); Locking lever (12) lower circumferential face is the screw thread coordinated with jam nut (17); Locking lever (12) lower surface has cross recess.
8. bridge crane track maintenance accessory cart according to claim 1, it is characterized in that: the structure of described rail lifter is, the mounting hole lower surface being included in vehicle frame (14) both sides lug is fixed with a bearing seat respectively, each bearing seat middle and upper part is provided with one group of single direction thrust ball bearing (34), each bearing seat bottom inner circle is set to rail lifting screw (32), in rail lifting screw (32), screw collar is connected to rail lifting leading screw (33), rail lifting leading screw (33) is from top to bottom successively through rail lifting screw (32), the mounting hole of single direction thrust ball bearing (34) and vehicle frame (14),
Rail lifting leading screw (33) upper end is set to six square shaft heads, and rail lifting leading screw (33) lower surface also has cross recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117493.1A CN104709246B (en) | 2015-03-17 | 2015-03-17 | Bridge crane track maintenance accessory cart |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117493.1A CN104709246B (en) | 2015-03-17 | 2015-03-17 | Bridge crane track maintenance accessory cart |
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| Publication Number | Publication Date |
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| CN104709246A true CN104709246A (en) | 2015-06-17 |
| CN104709246B CN104709246B (en) | 2016-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979674B (en) * | 2018-09-29 | 2024-05-03 | 洛阳兴坤隧道工程机械有限公司 | Walking base for stepping tunnel trolley |
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| CN103434931A (en) * | 2013-09-09 | 2013-12-11 | 山起重型机械股份公司 | Horizontal guide device for crane |
| CN203699697U (en) * | 2014-01-28 | 2014-07-09 | 白银有色集团股份有限公司 | Bridge-type crane convenient for maintenance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108979674B (en) * | 2018-09-29 | 2024-05-03 | 洛阳兴坤隧道工程机械有限公司 | Walking base for stepping tunnel trolley |
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