CN216739079U - Geomembrane laying equipment in railway roadbed construction - Google Patents
Geomembrane laying equipment in railway roadbed construction Download PDFInfo
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- CN216739079U CN216739079U CN202220341925.2U CN202220341925U CN216739079U CN 216739079 U CN216739079 U CN 216739079U CN 202220341925 U CN202220341925 U CN 202220341925U CN 216739079 U CN216739079 U CN 216739079U
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Abstract
The utility model belongs to the technical field of railway subgrades, in particular to geomembrane laying equipment in railway subgrade construction, and provides a scheme which comprises a framework beam and two hopper bins, wherein two sides of the framework beam are fixedly connected with two symmetrically-arranged support legs, the bottoms of the support legs are provided with travelling wheels, two sides of the hopper bins are fixedly connected with connecting blocks, a fixing rod penetrates through the inside of each connecting block in a sliding manner, two ends of each fixing rod are fixedly connected with first fixing plates, and the bottoms of the eight first fixing plates are fixed at the top of the framework beam; the mortar filtering device is simple in structure, excessive stones cannot enter the hopper bin through the filtering component, so that blockage can be avoided, the mortar quality can be guaranteed, the mortar can be prevented from being attached to the inner wall of the hopper bin through the knocking component, the height of the winding drum can be adjusted through the placing component, the position of the baffle plate is adjusted through the limiting component, and the mortar filtering device is convenient to use.
Description
Technical Field
The utility model relates to the technical field of railway subgrades, in particular to geomembrane laying equipment in railway subgrade construction.
Background
The railway subgrade is a structure for bearing and transmitting the gravity of the track and the dynamic action of the train, is the foundation of the track and is an important building for ensuring the running of the train. The roadbed is a soil-rock structure, is in various landforms, geology, hydrology and climatic environments, and sometimes suffers from various disasters such as flood, debris flow, collapse, earthquake and the like.
Present railway roadbed when the construction, all transport mortar and geotechnological cloth to the scene through the vehicle, empty the mortar inside the station through the manual work to set up geotechnological cloth in the middle of the mortar, waste time and energy, and can lose more mortar in the transportation, cause unnecessary extravagant, the position of geotechnological cloth also can not guarantee comparatively accurately, so we propose geomembrane laying equipment in the construction of a railway roadbed for solve the above-mentioned problem.
Disclosure of Invention
The utility model aims to solve the defects that the time and labor are wasted during the construction of a railway roadbed, more mortar is consumed in the transportation process, unnecessary waste is caused, and the position of geotextile cannot be ensured to be more accurate in the prior art, and provides geomembrane laying equipment for railway roadbed construction.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the geotechnical model laying equipment in railway roadbed construction comprises a framework beam and two hopper cabins, wherein two sides of the framework beam are fixedly connected with two support legs which are symmetrically arranged, the bottoms of the support legs are provided with travelling wheels, two sides of the hopper cabins are fixedly connected with connecting blocks, fixing rods penetrate through the connecting blocks in a sliding manner, two ends of each fixing rod are fixedly connected with first fixing plates, the bottoms of the eight first fixing plates are fixed at the top of the framework beam, the top of the hopper cabin is provided with a filtering assembly for filtering mortar, one side of the framework beam is fixedly connected with two pull rings which are symmetrically arranged, one side of each support leg far away from each pull ring is fixedly connected with a side plate, the same compaction wheel is rotatably connected between the two side plates, one side of each travelling wheel is provided with a knocking assembly for knocking the hopper cabins, the inner walls of two sides of the framework beam are provided with grooves, two placing assemblies used for placing geotextiles are arranged in the grooves, two rectangular holes which are symmetrically arranged are formed in one side of the framework beam, a baffle penetrates through the inside of each rectangular hole in a sliding manner, two limiting assemblies which are symmetrically arranged and used for limiting the baffle are arranged in one side of the framework beam, and one side of each hopper bin is provided with a switch.
Preferably, the filtering component comprises a placing groove arranged at the top of the hopper bin, a filter screen frame is clamped inside the placing groove, a sand screening net is arranged inside the filter screen frame, the inner walls of two sides of the filter screen frame are provided with taking grooves for filtering mortar, so that overlarge stones cannot enter the hopper bin, the blocking can be avoided, and the mortar quality can be guaranteed.
Preferably, the knocking assembly comprises a second rotating rod fixedly connected to one side of the traveling wheel, a second gear is fixedly sleeved on the outer wall of the second rotating rod, a first rotating rod is rotatably connected to the inner wall of one side of the framework beam, a first gear meshed with the second gear is fixedly sleeved on the outer wall of the first rotating rod, a convex plate is fixedly sleeved on the outer wall of the first rotating rod, a knocking rod is rotatably sleeved on the outer wall of the fixed rod, a knocking block is fixedly connected to the top of one side of the knocking rod, the same first tension spring is fixedly connected between one side of the knocking rod and the inner wall of one side of the framework beam, the convex plate is located under the knocking rod, and the knocking rod drives the knocking block to knock the outer wall of the hopper bin under the tensile force of the first tension spring so as to prevent mortar from being attached to the inner wall of the hopper bin.
Preferably, place the subassembly and include the sliding block of sliding connection in the recess inside, the arc wall, two have been seted up at the top of sliding block the inside block of arc wall has same connecting rod, the outer wall sliding sleeve of connecting rod is equipped with around the reel, the top threaded connection of connecting rod has two first fixing bolt, the bottom threaded connection of skeleton roof beam has adjusting bolt, adjusting bolt's top extends to the inside of recess and rotates with the bottom of sliding block to be connected for adjust around the height of reel, avoid geotechnological cloth to use after a period, the thickness of winding the reel diminishes, is not convenient for use.
Preferably, the limiting assembly comprises a second fixing plate fixedly connected to one side of the framework beam, a clamping plate penetrates through the inside of the second fixing plate in a sliding mode, an end of the clamping plate is fixedly connected with a pulling plate, the same second tension spring is fixedly connected between the pulling plate and the second fixing plate, the second tension spring is sleeved on the clamping plate, a plurality of clamping grooves clamped with the clamping plate are formed in one side of the baffle, and the position of the baffle is adjusted according to the width of a station.
Preferably, the top of baffle is provided with the scale mark, one side fixedly connected with of second fixed plate indicates the arrow point, the position of accurate tai lotus node baffle of being convenient for.
Preferably, one side of the connecting block, which is far away from the hopper bin, is provided with a second thread groove, the inner thread of the second thread groove is connected with a second fixing bolt, and the fixing rod is provided with two first thread grooves which are symmetrically arranged and are in threaded connection with the second fixing bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, the sand screen is arranged in the filter screen frame, so that overlarge stones cannot enter the hopper bin, the blockage can be avoided, the mortar quality can be ensured, the filter screen frame is clamped with the placing groove, the filter screen frame is stably installed,
2, the taking groove is arranged, so that the sand screening net is convenient to replace, and stones above the sand screening net cannot fall into the hopper bin to be mixed with mortar while the sand screening net is taken;
3. the sand-pouring device is provided with the limiting device and the baffle, and the scale marks are arranged at the top of the baffle, so that the sand-pouring device can be accurately positioned during paving, sand is prevented from being poured to the outside of a station during pouring, labor is saved, and waste is reduced;
4. when the equipment is laid, the two first fixing bolts are screwed out, the winding drum can be moved transversely, and the winding drum can be moved to a proper position and then fixed, so that the geotextile is partially overlapped but cannot exceed a station; meanwhile, the hopper bin can also move on the connecting block, so that the operation is convenient, the resources are saved, and the time is saved;
5. when the framework beam moves, the convex plate can be driven to rotate by the rotation of the travelling wheel, the convex plate pushes the knocking rod and stretches the first tension spring, and the top of the knocking rod drives the knocking rod to knock and knock the outer wall of the hopper bin, so that mortar can be prevented from being attached to the inner wall of the hopper bin.
Drawings
Fig. 1 is a three-dimensional view of a first view angle of a geotechnical model laying device in railway roadbed construction, which is provided by the utility model;
fig. 2 is a three-dimensional view of a second view angle of the earth work model laying equipment in railway roadbed construction, which is provided by the utility model;
FIG. 3 is a three-dimensional view of a first perspective of a frame beam according to the present invention;
FIG. 4 is a second perspective view of a frame rail according to the present invention;
FIG. 5 is a three-dimensional view of a first gear and a second gear of the present invention;
FIG. 6 is a three-dimensional view of a baffle according to the present invention;
FIG. 7 is a three-dimensional view of the slider of the present invention;
FIG. 8 is a three-dimensional view of the hopper of the present invention;
FIG. 9 is a three dimensional view of the securing rods and hopper of the present invention;
fig. 10 is a three-dimensional view of a strainer tray of the present invention.
In the figure: 1. a pull ring; 2. a hopper bin; 3. a switch; 4. a framework beam; 5. winding the reel; 6. a travel wheel; 7. a support leg; 8. a side plate; 9. compacting wheels; 10. screening a sand screen; 11. fixing the rod; 12. a first fixing plate; 13. a rectangular hole; 14. adjusting the bolt; 15. knocking the rod; 16. a first tension spring; 17. a groove; 18. a first thread groove; 19. a first fixing bolt; 20. a knock block; 21. a first rotating lever; 22. a convex plate; 23. a first gear; 24. a second gear; 25. a second rotating rod; 26. scale lines; 27. a baffle plate; 28. clamping a plate; 29. a second tension spring; 30. pulling a plate; 31. a second fixing plate; 32. a card slot; 33. an arc-shaped slot; 34. a slider; 35. connecting blocks; 36. a second thread groove; 37. a placement groove; 38. a screen frame; 39. a second fixing bolt; 40. taking the groove; 41. an arrow is indicated; 42. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-10, an earth work formwork laying device in railway roadbed construction comprises a framework beam 4 and two hopper cabins 2, wherein two sides of the framework beam 4 are fixedly connected with two support legs 7 which are symmetrically arranged, the bottom of each support leg 7 is provided with a traveling wheel 6, two sides of each hopper cabin 2 are fixedly connected with a connecting block 35, a fixing rod 11 penetrates through the inside of each connecting block 35 in a sliding manner, two ends of each fixing rod 11 are fixedly connected with first fixing plates 12, the bottoms of the eight first fixing plates 12 are respectively fixed at the top of the framework beam 4, the top of each hopper cabin 2 is provided with a filtering assembly for filtering mortar, one side of the framework beam 4 is fixedly connected with two pull rings 1 which are symmetrically arranged, one side of each support leg 7 far away from each pull ring 1 is fixedly connected with a side plate 8, the same compaction wheel 9 is rotatably connected between the two side plates 8, one side of each traveling wheel 6 is provided with a knocking assembly for knocking the hopper cabin 2, the both sides inner wall of framework roof beam 4 all sets up fluted 17, and the inside of two recesses 17 is provided with the subassembly of placing that is used for placing geotechnological cloth, and two rectangular hole 13 that the symmetry set up are seted up to one side of framework roof beam 4, and the inside of rectangular hole 13 slides and runs through there is baffle 27, and one side of framework roof beam 4 is provided with two that the symmetry set up and is used for carrying out spacing subassembly to baffle 27, and one side of two hopper storehouses 2 all is provided with switch 3.
Example two
Referring to fig. 1-10, an earth work formwork laying device in railway roadbed construction comprises a framework beam 4 and two hopper cabins 2, two sides of the framework beam 4 are fixedly connected with two support legs 7 which are symmetrically arranged, the bottom of each support leg 7 is provided with a traveling wheel 6, two sides of each hopper cabin 2 are fixedly connected with a connecting block 35, a fixing rod 11 penetrates through the inside of each connecting block 35 in a sliding manner, two ends of each fixing rod 11 are fixedly connected with first fixing plates 12, the bottoms of the eight first fixing plates 12 are fixed on the top of the framework beam 4, the top of each hopper cabin 2 is provided with a filtering assembly for filtering mortar, each filtering assembly comprises a placing groove 37 arranged on the top of each hopper cabin 2, a filter screen frame 38 is clamped inside each placing groove 37, the inside of each filter screen frame 38 is provided with a sand screen net 10, the inner walls on two sides of each filter screen frame 38 are provided with a taking groove 40 for filtering mortar, so that oversized stones cannot enter the hopper cabins 2, not only can blockage be avoided, but also the mortar quality can be ensured, one side of a framework beam 4 is fixedly connected with two pull rings 1 which are symmetrically arranged, one side of each support leg 7 which is far away from the pull ring 1 is fixedly connected with a side plate 8, the same compaction wheel 9 is rotatably connected between the two side plates 8, one side of a travelling wheel 6 is provided with a knocking component for knocking a hopper bin 2, the knocking component comprises a second rotating rod 25 which is fixedly connected with one side of the travelling wheel 6, the outer wall of the second rotating rod 25 is fixedly sleeved with a second gear 24, the inner wall of one side of the framework beam 4 is rotatably connected with a first rotating rod 21, the outer wall of the first rotating rod 21 is fixedly sleeved with a first gear 23 which is meshed with the second gear 24, the outer wall of the first rotating rod 21 is fixedly sleeved with a convex plate 22, the outer wall of a fixing rod 11 is rotatably sleeved with a knocking rod 15, the top of one side of the knocking rod 15 is fixedly connected with a knocking block 20, the same first tension spring 16 is fixedly connected between one side of the knocking rod 15 and the inner wall of one side of the framework beam 4, the convex plate 22 is positioned under the knocking rod 15, the knocking rod 15 drives the knocking block 20 to knock the outer wall of the hopper bin 2 under the tension of the first tension spring 16, mortar is prevented from being attached to the inner wall of the hopper bin 2, grooves 17 are formed in the inner walls of the two sides of the framework beam 4, a placing assembly for placing geotechnical cloth is arranged inside each groove 17 and comprises a sliding block 34 connected inside each groove 17 in a sliding mode, an arc-shaped groove 33 is formed in the top of each sliding block 34, the same connecting rod 42 is clamped inside each arc-shaped groove 33, a winding drum 5 is sleeved on the outer wall of each connecting rod 42 in a sliding mode, two first fixing bolts 19 are connected to the top of each connecting rod 42 in a threaded mode, an adjusting bolt 14 is connected to the bottom of the framework beam 4 in a threaded mode, the top of each adjusting bolt 14 extends into the grooves 17 and is rotatably connected with the bottom of each sliding block 34, used for adjusting the height of the winding drum 5, and avoiding the phenomenon that after the geotextile is used for a period of time, the thickness of the winding drum 5 becomes small and is inconvenient to use, one side of the framework beam 4 is provided with two rectangular holes 13 which are symmetrically arranged, a baffle 27 penetrates through the inside of the rectangular hole 13 in a sliding manner, one side of the framework beam 4 is provided with two limiting components which are symmetrically arranged and are used for limiting the baffle 27, each limiting component comprises a second fixing plate 31 which is fixedly connected with one side of the framework beam 4, a clamping plate 28 penetrates through the inside of the second fixing plate 31 in a sliding manner, one end of the clamping plate 28 is fixedly connected with a pulling plate 30, the same second tension spring 29 is fixedly connected between the pulling plate 30 and the second fixing plate 31, the second tension spring 29 is sleeved on the clamping plate 28, one side of the baffle 27 is provided with a plurality of clamping grooves 32 which are clamped with the clamping plate 28, the position of the baffle 27 is adjusted according to the width of a station, one side of each hopper bin 2 is provided with a switch 3, the top of baffle 27 is provided with scale mark 26, and one side fixedly connected with of second fixed plate 31 indicates arrow 41, and the accurate position of the too lotus node baffle 27 of being convenient for, connecting block 35 are kept away from one side of hopper 2 and have been seted up second thread groove 36, and the inside threaded connection of second thread groove 36 has second fixing bolt 39, sets up two first thread grooves 18 with second fixing bolt 39 threaded connection that the symmetry set up on the dead lever 11.
The working principle is as follows: the two hopper bins 2 are filled with mortar, the sand screen net 10 is arranged to prevent overlarge stones from entering the hopper bins 2, so that blockage can be avoided, the quality of the mortar can be ensured, the screen frame 38 is clamped with the placing groove 37 to ensure that the screen frame 38 is stably installed, meanwhile, the taking groove 40 is arranged to ensure that the sand screen net 10 is convenient to replace, the stones above the sand screen net 10 are dropped into the hopper bins 2 while the sand screen net 10 is taken, the stones are mixed with the mortar, the framework beam 4 is moved to the starting point of the station, the switch 3 close to the pull ring 1 is started, the mortar inside the hopper bins 2 close to the pull ring 1 begins to fall down and falls on the station, meanwhile, the framework beam 4 continues to move forwards by using ropes arranged on the two pull rings 1, when the winding drum 5 moves to the starting point of the station, a worker fixes one end of the geotextile wound on the winding drum 5 to the position of the starting point, when the framework beam 4 moves forwards, the geotextile can be laid on mortar, meanwhile, the compaction wheel 9 compresses the geotextile, after the geotextile reaches the end point, the switch 3 close to the pull ring 1 is closed, the framework beam 4 is moved to the starting point again, the two first fixing bolts 19 are screwed out, the winding drum 5 can be moved transversely, after the winding drum 5 is moved to the proper position, the two first fixing bolts 19 are fixed again to avoid the winding drum 5 from shaking, at the moment, the geotextile is partially overlapped but cannot exceed the station, at the same time, the clamping state of the second fixing bolt 39 and the first thread groove 18 is released, at the moment, the hopper bin 2 can be moved on the connecting block 35, after the hopper bin 2 is moved to the other side of the framework beam 4, the hopper bin 2 is in threaded connection with the other first thread groove 18 on the fixing rod 11 by using the second fixing bolt 39, and then the hopper bin 2 is fixed on the framework beam 4, according to the width of the station, the position of the baffle 27 is adjusted, specifically, the pull plate 30 is pulled transversely, the pull plate 30 drives the clamping plate 28 to move transversely and stretches the second tension spring 29, the brake of the clamping plate 28 on the baffle 27 is removed, the baffle 27 is pulled transversely, the position of the baffle 27 is adjusted according to the scale marks 26, it is ensured that a discharge port of the hopper bin 2 is blocked, the part of the discharge port is not dumped outside a station, and simultaneously the waste is reduced, at the moment, the switch 3 close to the pull ring 1 is opened again, dumping of the first layer of mortar is completed, the switch 3 far away from the pull ring 1 is opened again, no geotextile is laid, the mortar inside the hopper bin 2 far away from the pull ring 1 is dumped above the geotextile, the dumping process is completed, the height of the winding drum 5 can be adjusted, the thickness of the winding drum 5 is prevented from being reduced after the geotextile is used for a period of time, the use is inconvenient, the concrete operation is realized by rotating the adjusting bolt 14, the adjusting bolt 14 drives the sliding block 34 to move vertically upwards, the sliding block 34 drives the connecting rod 42 to vertically move upwards, so that the height of the winding drum 5 can be adjusted, when the framework beam 4 moves, the traveling wheel 6 can drive the second rotating rod 25 to rotate, the second rotating rod 25 drives the second gear 24 to rotate, the second gear 24 drives the first gear 23 to rotate, the first gear 23 drives the first rotating rod 21 to rotate, the first rotating rod 21 drives the protruding plate 22 to rotate, the protruding plate 22 pushes the knocking rod 15 and stretches the first tension spring 16, at the moment, the top of the knocking rod 15 drives the knocking block 20 to be far away from the hopper bin 2, when the protruding plate 22 is not in conflict with the knocking rod 15, the knocking rod 15 drives the knocking block 20 to knock the outer wall of the hopper bin 2 under the tensile force of the first tension spring 16, and mortar is prevented from being attached to the inner wall of the hopper bin 2.
Of course, as is well known to those skilled in the art, the working principle and wiring method of the switch 3 are conventional means or common knowledge in the art, and are not described herein, and those skilled in the art can make any choice according to their needs or convenience.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The geomembrane laying equipment in the railway roadbed construction comprises a framework beam (4) and two hopper bins (2), and is characterized in that two sides of the framework beam (4) are fixedly connected with two support legs (7) which are symmetrically arranged, the bottoms of the support legs (7) are provided with travelling wheels (6), two sides of the hopper bins (2) are fixedly connected with connecting blocks (35), a fixing rod (11) penetrates through the inside of each connecting block (35) in a sliding manner, two ends of each fixing rod (11) are fixedly connected with first fixing plates (12), the bottoms of the eight first fixing plates (12) are fixed at the tops of the framework beams (4), a filtering assembly for filtering mortar is arranged at the top of each hopper bin (2), one side of the framework beam (4) is fixedly connected with two pull rings (1) which are symmetrically arranged, one sides of the two support legs (7) far away from the pull rings (1) are fixedly connected with side plates (8), two it is connected with same compaction wheel (9) to rotate between curb plate (8), one side of advancing wheel (6) is provided with the subassembly that strikes that is used for striking hopper storehouse (2), the both sides inner wall of skeleton roof beam (4) all sets up fluted (17), two the inside of recess (17) is provided with the subassembly that places that is used for placing geotechnological cloth, two rectangular hole (13) that the symmetry set up are seted up to one side of skeleton roof beam (4), the inside slip of rectangular hole (13) has run through baffle (27), one side symmetry of skeleton roof beam (4) is provided with two and is used for carrying out spacing subassembly, two to baffle (27) one side of hopper storehouse (2) all is provided with switch (3).
2. The geomembrane laying device for the railway roadbed construction, according to claim 1, wherein the filtering component comprises a placing groove (37) formed in the top of the hopper bin (2), a filter screen frame (38) is clamped in the placing groove (37), a sand screen net (10) is arranged in the filter screen frame (38), and taking grooves (40) are formed in the inner walls of two sides of the filter screen frame (38).
3. The geomembrane laying equipment in railway roadbed construction according to claim 1, wherein the knocking assembly comprises a second rotating rod (25) fixedly connected to one side of the traveling wheel (6), the outer wall of the second rotating rod (25) is fixedly sleeved with a second gear (24), the inner wall of one side of the framework beam (4) is rotatably connected with a first rotating rod (21), the outer wall of the first rotating rod (21) is fixedly sleeved with a first gear (23) meshed with the second gear (24), the outer wall of the first rotating rod (21) is fixedly sleeved with a convex plate (22), the outer wall of the fixed rod (11) is rotatably sleeved with a knocking rod (15), the top of one side of the knocking rod (15) is fixedly connected with a knocking block (20), and a first tension spring (16) is fixedly connected between one side of the knocking rod (15) and the inner wall of one side of the framework beam (4), the convex plate (22) is positioned right below the knocking rod (15).
4. The geomembrane laying equipment in railway roadbed construction according to claim 1, wherein the placing component comprises a sliding block (34) which is slidably connected inside a groove (17), the top of the sliding block (34) is provided with an arc-shaped groove (33), two of the arc-shaped grooves (33) are clamped with the same connecting rod (42), the outer wall of the connecting rod (42) is slidably sleeved with a winding drum (5), the top of the connecting rod (42) is in threaded connection with two first fixing bolts (19), the bottom of the framework beam (4) is in threaded connection with an adjusting bolt (14), and the top of the adjusting bolt (14) extends to the inside of the groove (17) and is rotatably connected with the bottom of the sliding block (34).
5. The geomembrane laying equipment in railway roadbed construction according to claim 1, wherein the limiting component comprises a second fixing plate (31) fixedly connected to one side of the framework beam (4), a clamping plate (28) penetrates through the inside of the second fixing plate (31) in a sliding manner, one end of the clamping plate (28) is fixedly connected with a pulling plate (30), a same second tension spring (29) is fixedly connected between the pulling plate (30) and the second fixing plate (31), the second tension spring (29) is sleeved on the clamping plate (28), and one side of the baffle plate (27) is provided with a plurality of clamping grooves (32) clamped with the clamping plate (28).
6. The geomembrane laying equipment for railway roadbed construction according to claim 5, wherein the top of the baffle plate (27) is provided with a scale mark (26), and an indication arrow (41) is fixedly connected to one side of the second fixing plate (31).
7. The geomembrane laying equipment for the railway roadbed construction according to claim 1, wherein a second thread groove (36) is formed in one side of the connecting block (35) far away from the hopper bin (2), a second fixing bolt (39) is connected to the inner part of the second thread groove (36) in a threaded manner, and two first thread grooves (18) which are in threaded connection with the second fixing bolt (39) are symmetrically arranged on the fixing rod (11).
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CN202220341925.2U CN216739079U (en) | 2022-02-21 | 2022-02-21 | Geomembrane laying equipment in railway roadbed construction |
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CN114457630A (en) * | 2022-02-21 | 2022-05-10 | 中铁六局集团有限公司 | Device for laying geomembrane in railway roadbed construction and using method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114457630A (en) * | 2022-02-21 | 2022-05-10 | 中铁六局集团有限公司 | Device for laying geomembrane in railway roadbed construction and using method thereof |
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