CN108532959B - Concrete flatness and drainage gradient surface collecting device for integral ballast bed - Google Patents
Concrete flatness and drainage gradient surface collecting device for integral ballast bed Download PDFInfo
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- CN108532959B CN108532959B CN201810292499.6A CN201810292499A CN108532959B CN 108532959 B CN108532959 B CN 108532959B CN 201810292499 A CN201810292499 A CN 201810292499A CN 108532959 B CN108532959 B CN 108532959B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/10—Devices for levelling, e.g. templates or boards
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Abstract
The invention discloses an integral ballast bed concrete flatness and drainage slope surface collecting device which comprises a first surface collecting mechanism and a second surface collecting mechanism, wherein the first surface collecting mechanism is used for collecting the concrete in the center of a ballast bed, the second surface collecting mechanism is used for collecting the concrete between two sleepers, the first surface collecting mechanism comprises a rectangular frame, a first scraper and a travelling wheel, the first scraper is installed on the rectangular frame, the travelling wheel is arranged below the rectangular frame, the rectangular frame is formed by splicing two cross beams and two longitudinal beams, one end of the first scraper is rotatably installed on the inner side surface of one cross beam, the other end of the first scraper is provided with a herringbone notch matched with the slope of the center of the ballast bed, and the second surface collecting mechanism comprises an oblique guide rod, a sliding seat, a second scraper and a push-pull rod, the sliding seat is sleeved on the oblique guide rod, the second scraper is. The invention replaces the manual surface folding construction in the prior art, reduces the deviation of the surface folding construction caused by human factors, and ensures the flatness of the surface of the ballast bed and the accuracy of the drainage gradient.
Description
Technical Field
The invention belongs to the technical field of subway track integral ballast bed construction, and particularly relates to an integral ballast bed concrete flatness and drainage gradient surface collecting device.
Background
The monolithic track bed is a track bed form which is ubiquitous in urban rail transit construction. The ballast bed structure must set up sufficient drainage slope in whole ballast bed construction process, ensures that the drainage is unobstructed. The integral ballast bed drainage gradient is 3 percent. If the drainage slope is not enough or the ballast bed surface is uneven, can lead to the phenomenon of ponding to appear on the ballast bed surface, ponding can be inside through space between the concrete, the whole ballast bed of crack infiltration, has under the ion's of acid, alkali, salt the condition in cold areas or water, ponding can cause the inside reinforcing bar of whole ballast bed to corrode, influences the tensile strength of whole ballast bed to influence concrete ballast bed durability, life-span. After whole railway roadbed concrete placement accomplished, need receive the face to handle the roughness and the drainage slope on railway roadbed surface to guarantee the roughness on railway roadbed surface, guarantee the accuracy of drainage slope, prior art center, receive the face construction mainly leans on the manual work to go on, receive face quality and precision and mainly lean on manual control, but, the manual work receives the face error great, the precision is poor, and is inefficient moreover. Therefore, a device for collecting the concrete flatness and the water drainage gradient of the integral ballast bed should be provided.
Disclosure of Invention
The invention aims to solve the technical problem that the defects in the prior art are overcome, and the device for collecting the concrete flatness and the drainage gradient of the integral ballast bed is simple in structure and reasonable in design.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an integral ballast bed concrete roughness and drainage slope receive face device which characterized in that: including the first face mechanism of receiving that is used for receiving the face to the concrete at railway roadbed center and the second that is used for receiving the face to the concrete between two sleepers is received the face mechanism, first face mechanism of receiving includes rectangular frame, installs first scraper blade, setting on the rectangular frame are in the walking wheel of rectangular frame below, rectangular frame comprises two crossbeams and two longerons concatenations, the one end of first scraper blade is rotated and is installed on the inboard surface of a crossbeam, the other end of first scraper blade be provided with railway roadbed center slope assorted chevron shape breach, the top of first scraper blade is provided with the hoist cable that is used for connecting first scraper blade and another crossbeam, the walking wheel sets up the below at two longerons, the outside surface of longeron rotates and is connected with the deflector, the leading wheel is installed to the inboard of deflector, the second is received the face mechanism and is included slant guide arm, The second scraper plate and the oblique guide rod are vertically arranged, and the inclination angle of the oblique guide rod is consistent with the drainage gradient of the whole track bed.
Foretell an integral roadbed concrete roughness and drainage slope receive face device, its characterized in that: one end of the first scraper blade is rotatably installed on the inner side surface of a cross beam through a first hinge shaft, and one end of the guide plate is rotatably installed on the outer side surface of the longitudinal beam through a second hinge shaft.
Foretell an integral roadbed concrete roughness and drainage slope receive face device, its characterized in that: the upper surface of the first scraper is provided with a first hanging ring, the other cross beam is provided with a second hanging ring, two ends of the sling are respectively hooked on the first hanging ring and the second hanging ring, and the length of the sling is adjustable.
Foretell an integral roadbed concrete roughness and drainage slope receive face device, its characterized in that: the quantity of walking wheel is four, is provided with braking component on at least one walking wheel, braking component includes brake shoe, fixed mounting connecting rod, the spring of suit on the connecting rod on the brake shoe and installs the footboard at the connecting rod top, the footboard is located the longeron top.
Foretell an integral roadbed concrete roughness and drainage slope receive face device, its characterized in that: the cross section of the oblique guide rod is rectangular, a first support and a second support are respectively installed at two ends of the oblique guide rod, and the first support is located on one side far away from the second scraper.
Foretell an integral roadbed concrete roughness and drainage slope receive face device, its characterized in that: the first support and the second support are fixedly mounted on the oblique guide rod through bolts and nuts, and through holes for the bolts to penetrate through are formed in rows in the vertical direction of the first support.
Foretell an integral roadbed concrete roughness and drainage slope receive face device, its characterized in that: the roller wheels are symmetrically arranged in the vertical direction in the sliding seat and are respectively positioned on the upper side and the lower side of the oblique guide rod.
The concrete flatness and drainage gradient surface collecting device for the integral ballast bed is characterized in that the sliding seat is fixedly provided with a connecting rod arranged in parallel with the inclined guide rod, and the second scraper blade is fixedly arranged at the end part of the connecting rod.
Foretell an integral roadbed concrete roughness and drainage slope receive face device, its characterized in that: and a hinge lug plate is arranged at one end of the push-pull rod and is hinged on the sliding seat, and a push-pull handle is arranged at the other end of the push-pull rod.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the first face collecting mechanism for collecting the face of the concrete in the center of the track bed and the second face collecting mechanism for collecting the face of the concrete between the two sleepers are arranged, so that the manual face collecting construction in the prior art is replaced, the deviation caused by human factors in the face collecting construction is reduced, and when the concrete is actually used, after the concrete pouring of the whole track bed is completed, the first face collecting mechanism is firstly used for collecting the face of the concrete in the center of the track bed, and then the second face collecting mechanism is used for collecting the face of the concrete between the two sleepers, so that the flatness of the surface of the track bed and the accuracy of the drainage gradient are ensured.
2. The invention can drive the first scraper to move on the surface of the central concrete of the track bed along the length direction of the guide rail by arranging the first scraper on the rectangular frame, one end of the first scraper is rotatably arranged on the inner side surface of a cross beam, the other end of the first scraper is tightly attached to the surface of the central concrete of the track bed, and the rectangular frame is pushed along the length direction of the guide rail, so that the precision of the central drainage gradient of the track bed can be directly ensured by utilizing the second scraper with the herringbone notch, compared with manual construction, the invention does not need manual repeated construction, and the precision of the central drainage gradient of the track bed is ensured, and the operation method is simple, not only can guarantee the precision of the center drainage slope of the ballast bed, but also greatly improve the efficiency of the concrete surface construction of the center of the ballast bed.
3. According to the invention, the guide plate is rotatably connected on the outer side surface of the longitudinal beam, the guide wheel is arranged on the inner side of the guide plate, the guide wheel is positioned in the groove on the outer side of the guide rail, and the guide wheel rolls along the top surface of the groove, so that the rectangular frame can be prevented from inclining or overturning, the walking track of the rectangular frame along the guide rail can be limited, the limiting and guiding effects are achieved, and the using effect is good.
4. The inclined guide rod is arranged, the sliding seat is sleeved on the inclined guide rod, the sliding seat is connected with the second scraper, the second scraper and the inclined guide rod are vertically arranged, when the inclined scraper is in practical use, two ends of the inclined guide rod are respectively arranged on the two guide rails, the inclined angle of the inclined guide rod is consistent with the drainage gradient of the whole track bed, therefore, the bottom of the second scraper is tightly attached to the surface of concrete between the two sleepers, and when the push-pull rod is manually pushed or pulled, the push-pull rod can drive the sliding seat to slide along the inclined guide rod, so that the second scraper is driven to realize the face retracting construction between the two sleepers.
5. The invention has simple structure, reasonable design, low manufacturing cost and convenient popularization and application.
In summary, the track bed has a simple structure and a reasonable design, and the deviation caused by human factors in the face collecting construction is reduced by the first face collecting mechanism for collecting the face of the concrete in the center of the track bed and the second face collecting mechanism for collecting the face of the concrete between the two sleepers.
The invention is described in further detail below with reference to the figures and examples.
Drawings
Fig. 1 is a schematic structural diagram of a first noodle folding mechanism of the present invention.
Fig. 2 is a top view of the first noodle folding mechanism of the present invention.
Fig. 3 is a schematic view of the first noodle folding mechanism of the present invention in a use state.
Fig. 4 is a schematic view of the connection between the road wheel and the brake assembly of the present invention.
Fig. 5 is a schematic view of a second noodle folding mechanism according to the present invention.
Description of reference numerals:
1-beam; 1-2-stringer; 2-a first scraper;
2-1-scraper bar; 3-a first articulated shaft; 4-1-a first suspension loop;
4-2-second suspension loop; 5, a sling; 6-travelling wheels;
7-1-brake shoe; 7-2-connecting rod; 7-2-spring;
7-2-step; 8, a guide plate; 9-a guide wheel;
10-a second articulated shaft; 11-a guide rail; 12-a plug rod;
13-sleeper; 14-oblique guide rod; 15 — a first support;
16-a second support; 17-a slide seat; 18-a roller;
19-a connecting rod; 20-a second squeegee; 21-a push-pull rod;
22-a lug plate; 23-push-pull handle.
Detailed Description
As shown in fig. 1 and 5, the invention comprises a first face collecting mechanism for collecting the face of the concrete in the center of a track bed and a second face collecting mechanism for collecting the face of the concrete between two sleepers 13, wherein the first face collecting mechanism comprises a rectangular frame, a first scraping plate 2 arranged on the rectangular frame, and a traveling wheel 6 arranged below the rectangular frame, the rectangular frame is formed by splicing two cross beams 1-1 and two longitudinal beams 1-2, one end of the first scraping plate 2 is rotatably arranged on the inner side surface of one cross beam 1-1, the other end of the first scraping plate 2 is provided with a herringbone notch matched with the gradient of the center of the track bed, a sling 5 for connecting the first scraping plate 2 with the other cross beam 1-1 is arranged above the first scraping plate 2, the traveling wheel 6 is arranged below the two longitudinal beams 1-2, the outer side surface of the longitudinal beam 1-2 is rotatably connected with a guide plate 8, the inner side of the guide plate 8 is provided with a guide wheel 9, the second surface collecting mechanism comprises an inclined guide rod 14, a sliding seat 17 sleeved on the inclined guide rod 14, a second scraper 20 connected to the sliding seat 17 and a push-pull rod 21 used for driving the sliding seat 17 to slide, the second scraper 20 and the inclined guide rod 14 are vertically arranged, and the inclined angle of the inclined guide rod 14 is consistent with the drainage gradient of the whole track bed.
In this embodiment, set up the first mechanism of receiving that is used for receiving the face to the concrete at railway roadbed center and be used for receiving the second mechanism of receiving that the face was carried out to the concrete between two sleepers, replaced the manual construction of receiving among the prior art, reduce the deviation that the construction of receiving the face caused because the human factor, during the in-service use, after whole railway roadbed concrete placement is accomplished, at first utilize first mechanism of receiving to receive the face to the concrete at railway roadbed center, utilize the second mechanism of receiving to receive the face to the concrete between two sleepers 13 and handle, guarantee the roughness on railway roadbed surface and the accuracy of drainage slope after then.
As shown in fig. 1, 2 and 3, in this embodiment, a first scraper 2 is installed on the rectangular frame, and one end of the first scraper 2 is rotatably installed on the inner side surface of one cross beam 1-1, a sling 5 for connecting the first scraper 2 with the other cross beam 1-1 is arranged above the first scraper 2, at this time, under the traction action of the sling 5, the first scraper 2 forms an inclined angle with the plane of the rectangular frame, the other end of the first scraper 2 is tightly attached to the surface of the central concrete of the track bed, the rectangular frame is pushed along the length direction of the guide rail 11, that is, the first scraper 2 can be driven to move on the surface of the central concrete of the track bed along the length direction of the guide rail 11, the surface of the central concrete of the track bed is subjected to face-closing construction, the operation method is simple, and by the installation position of the first scraper 2, the influence of artificial factors on the construction precision of the folding face is avoided.
During the in-service use, through setting up chevron shape breach at the other end of first scraper blade 2, compare with the artifical construction of receiving the face, do not need the people to be under construction repeatedly many times, confirm the precision of ballast bed center drainage slope, but through utilizing the second scraper blade 2 that has the chevron shape breach, directly guarantee the precision of ballast bed center drainage slope, operation method is simple, not only can guarantee the precision of ballast bed center drainage slope, has improved the efficiency of ballast bed center concrete receiving construction moreover greatly.
In this embodiment, the road wheels 6 are provided below the rectangular frame to aim at: promote rectangular frame, walking wheel 6 can drive rectangular frame and walk on two guide rails 11, and labour saving and time saving has improved the efficiency of construction.
In the embodiment, the guide plate 8 is rotatably connected to the outer side surface of the longitudinal beam 1-2, the guide wheel 9 is mounted on the inner side of the guide plate 8, the guide wheel 9 is located in the groove on the outer side of the guide rail 11, the guide wheel 9 rolls along the top surface of the groove, the rectangular frame can be prevented from inclining or overturning, the walking track of the rectangular frame along the guide rail 11 can be limited, the limiting and guiding effects are achieved, and the using effect is good.
As shown in fig. 5, in this embodiment, by providing the inclined guide rod 14, sleeving the slide carriage 17 on the inclined guide rod 14, connecting the second scraper 20 on the slide carriage 17, and arranging the second scraper 20 and the inclined guide rod 14 perpendicularly, in practical use, two ends of the inclined guide rod 14 are respectively installed on the two guide rails 11, because the second scraper 20 and the inclined guide rod 14 are arranged perpendicularly, and the inclined angle of the inclined guide rod 14 is consistent with the drainage gradient of the whole track bed, the bottom of the second scraper 20 is closely attached to the surface of the concrete between the two sleepers 13, and when the push-pull rod 21 is manually pushed or pulled, the push-pull rod 21 drives the slide carriage 17 to slide along the inclined guide rod 14, so as to drive the second scraper 20 to implement the face retraction construction between the two sleepers 13.
In this embodiment, one end of the first flight 2 is pivotally mounted to the inside surface of one of the cross members 1-1 via a first hinge shaft 3, and one end of the guide plate 8 is pivotally mounted to the outside surface of the side member 1-2 via a second hinge shaft 10.
In this embodiment, a first hanging ring 4-1 is arranged on the upper surface of the first scraper 2, a second hanging ring 4-2 is arranged on the other cross beam 1-1, two ends of the sling 5 are respectively hooked on the first hanging ring 4-1 and the second hanging ring 4-2, and the length of the sling 5 is adjustable.
During practical use, in the process of storage or transportation, in order to prevent collision and damage to the first scraper 2, the first scraper 2 generally needs to be collected, so that after the collection construction is finished by the first collection mechanism, the first scraper 2 is lifted upwards by the sling 5, one end of the first scraper 2 can rotate around the first hinge shaft 3, after the first scraper 2 rotates to the horizontal position, the insertion rod 12 simultaneously penetrates through the first hanging ring 4-1 and the second hanging ring 4-2, and two ends of the insertion rod 12 are lapped on the two cross beams 1-1, so that the first scraper 2 is fixed at the horizontal position.
In this embodiment, the length of the sling 5 is adjustable to: when concrete at the center of the ballast bed with different height requirements needs to be collected, the vertical distance between the other end of the first scraper 2 and the top surface of the guide rail 11 can be changed only by adjusting the length of the sling 5, so that the first scraper 2 can meet the concrete collection construction at the center of the ballast bed with different height requirements, and the application range of the first collection mechanism is widened.
As shown in fig. 1, 2 and 4, in the present embodiment, the number of the road wheels 6 is four, at least one road wheel 6 is provided with a brake assembly, the brake assembly comprises a brake shoe 7-1, a connecting rod 7-2 fixedly mounted on the brake shoe 7-1, a spring 7-3 sleeved on the connecting rod 7-2, and a pedal 7-3 mounted at the top end of the connecting rod 7-2, and the pedal 7-3 is located above the longitudinal beam 1-2.
When the rectangular frame is braked in practical use, only the pedal 7-3 needs to be pressed, the pedal 7-3 drives the connecting rod 7-2 to move upwards, the longitudinal beam 1-2 can extrude the spring 7-3, the spring 7-3 extrudes the brake shoe 7-1 downwards, the inner arc surface of the brake shoe 7-1 is tightly attached to the wheel surface of the travelling wheel 6, the travelling wheel 6 stops rotating depending on friction force, the operation is simple, and the braking effect is good.
As shown in fig. 5, in the present embodiment, the cross section of the diagonal guide 14 is rectangular, a first support 15 and a second support 16 are respectively installed at two ends of the diagonal guide 14, and the first support 15 is located at a side far from the second scraper 20.
In this embodiment, the first support 15 and the second support 16 are both fixedly mounted on the oblique guide rod 14 through bolts and nuts, and through holes for the bolts to pass through are formed in a row in the vertical direction of the first support 15.
In this embodiment, rollers 18 are symmetrically disposed in the sliding base 17 in the vertical direction, and the rollers 18 are respectively located on the upper side and the lower side of the inclined guide rod 14.
In this embodiment, the rollers 18 are symmetrically arranged in the vertical direction inside the sliding seat 17 for the purpose of: the sliding connection between the sliding seat 17 and the inclined guide rod 14 is converted into the rolling connection between the roller 18 and the inclined guide rod 14, so that the friction force is reduced, the smoothness of the sliding seat 17 sliding along the inclined guide rod 14 is improved, the time and the labor are saved, and the labor intensity of operators is reduced.
In this embodiment, a connecting rod 19 arranged in parallel with the inclined guide rod 14 is fixedly mounted on the sliding base 17, and the second scraper 20 is fixedly mounted at an end of the connecting rod 19.
In this embodiment, one end of the push-pull rod 21 is provided with an articulated lug plate 22, the articulated lug plate 22 is articulated on the sliding seat 17, and the other end of the push-pull rod 21 is provided with a push-pull handle 23.
As shown in fig. 1 and 3, in actual use, firstly, the first noodle folding mechanism is hoisted to two guide rails 11, so that the four walking wheels 6 are all positioned on the top surfaces of the guide rails 11, and the guide plate 8 is turned over, so that the guide wheels 9 are positioned in the grooves of the guide rails 11; then, the inserting rod 12 is removed, the first scraping plate 2 can rotate around the first hinge shaft 3, under the traction action of the sling 5, an inclination angle is formed between the first scraping plate 2 and the plane where the rectangular frame is located, and the herringbone notch of the first scraping plate 2 is tightly attached to the surface of the center concrete of the track bed; then, promote rectangular frame, under the drive of walking wheel 6, first scraper blade 2 can easily remove along with rectangular frame, realizes the construction of closing up the face to track bed center concrete.
As shown in fig. 5, after finishing the construction of the receiving surface of the center concrete of the track bed, first, the inclined guide rods 14 of the second receiving mechanism are clamped between the two guide rails 11, and the installation heights of the two ends of the inclined guide rods 14 are adjusted to make the inclined angle of the inclined guide rods 14 consistent with the drainage gradient of the whole track bed; then an operator holds the push-pull handle 23 by hand to push or pull the push-pull rod 21, the push-pull rod 21 drives the sliding seat 17 to slide along the length direction of the inclined guide rod 14, the sliding seat 17 drives the second scraper 20 to perform surface retracting construction on concrete between the two sleepers 13, the operation is simple, the precision of the drainage slope of the whole track bed can be controlled through the inclination of the inclined guide rod 14, manual surface retracting construction is replaced, the labor intensity of the operator is reduced, and the precision and the efficiency of surface retracting construction are improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides an integral ballast bed concrete roughness and drainage slope receive face device which characterized in that: including the first face mechanism of receiving that is used for receiving the face to the concrete at railway roadbed center and the second that is used for receiving the face to the concrete between two sleepers (13) is received the face mechanism, first face mechanism of receiving includes rectangular frame, installs first scraper blade (2) on the rectangular frame, sets up walking wheel (6) below the rectangular frame, rectangular frame comprises two crossbeams (1-1) and two longerons (1-2) concatenation, the one end of first scraper blade (2) is rotated and is installed on the inboard surface of a crossbeam (1-1), the other end of first scraper blade (2) is provided with the chevron shape breach with railway roadbed center slope assorted, the top of first scraper blade (2) is provided with hoist cable (5) that are used for connecting first scraper blade (2) and another crossbeam (1-1), walking wheel (6) set up in the below of two longerons (1-2), the outer side surface of the longitudinal beam (1-2) is rotatably connected with a guide plate (8), the inner side of the guide plate (8) is provided with a guide wheel (9), the second surface retracting mechanism comprises an oblique guide rod (14), a sliding seat (17) sleeved on the oblique guide rod (14), a second scraper (20) connected to the sliding seat (17) and a push-pull rod (21) used for driving the sliding seat (17) to slide, the second scraper (20) and the oblique guide rod (14) are vertically arranged, the inclination angle of the oblique guide rod (14) is consistent with the drainage gradient of the whole track bed, one end of the first scraper (2) is rotatably arranged on the inner side surface of one transverse beam (1-1) through a first hinge shaft (3), one end of the guide plate (8) is rotatably arranged on the outer side surface of the longitudinal beam (1-2) through a second hinge shaft (10), the upper surface of the first scraper (2) is provided with a first hanging ring (4-1), the other cross beam (1-1) is provided with a second hanging ring (4-2), two ends of a sling (5) are respectively hooked on the first hanging ring (4-1) and the second hanging ring (4-2), the length of the sling (5) is adjustable, the cross section of the oblique guide rod (14) is rectangular, two ends of the oblique guide rod (14) are respectively provided with a first support (15) and a second support (16), the first support (15) is positioned on one side far away from the second scraper (20), the first support (15) and the second support (16) are fixedly arranged on the oblique guide rod (14) through bolts and nuts, and through holes for the bolts to pass through are arranged in rows in the vertical direction of the first supports (15), the connecting rod (19) arranged in parallel with the inclined guide rod (14) is fixedly installed on the sliding seat (17), the second scraper (20) is fixedly installed at the end part of the connecting rod (19), after the first scraper (2) rotates to the horizontal position, the insertion rod (12) simultaneously penetrates through the first hanging ring (4-1) and the second hanging ring (4-2), and the two ends of the insertion rod (12) are overlapped on the two cross beams (1-1), so that the first scraper (2) is fixed at the horizontal position.
2. The monolithic roadbed concrete flatness and drainage gradient surface collecting device as recited in claim 1, wherein: the walking wheels (6) are four in number, at least one walking wheel (6) is provided with a brake assembly, the brake assembly comprises a brake shoe (7-1), a connecting rod (7-2) fixedly mounted on the brake shoe (7-1), a spring sleeved on the connecting rod (7-2) and a pedal (7-3) mounted at the top end of the connecting rod (7-2), and the pedal (7-3) is located above the longitudinal beam (1-2).
3. The monolithic roadbed concrete flatness and drainage gradient surface collecting device as recited in claim 1, wherein: the roller wheels (18) are symmetrically arranged in the sliding seat (17) in the vertical direction, and the roller wheels (18) are respectively positioned on the upper side and the lower side of the inclined guide rod (14).
4. The monolithic roadbed concrete flatness and drainage gradient surface collecting device as recited in claim 1, wherein: one end of the push-pull rod (21) is provided with a hinge lug plate (22), the hinge lug plate (22) is hinged on the sliding seat (17), and the other end of the push-pull rod (21) is provided with a push-pull handle (23).
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| CN201810292499.6A CN108532959B (en) | 2018-03-30 | 2018-03-30 | Concrete flatness and drainage gradient surface collecting device for integral ballast bed |
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| CN201810292499.6A CN108532959B (en) | 2018-03-30 | 2018-03-30 | Concrete flatness and drainage gradient surface collecting device for integral ballast bed |
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| CN111042458A (en) * | 2019-12-31 | 2020-04-21 | 淙创(上海)企业管理咨询中心 | Construction method of cast-in-place cover plate closed roof high-low span deformation joint structure |
| CN114214966B (en) * | 2022-01-26 | 2024-03-15 | 中交一公局厦门工程有限公司 | Bridge linear drainage ditch leveling device |
| CN114990945A (en) * | 2022-06-24 | 2022-09-02 | 中国五冶集团有限公司 | Concrete chamfering and surface collecting device and method for ballastless track base |
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| CN106758829A (en) * | 2016-12-08 | 2017-05-31 | 张献波 | The leveling of outstanding rail integral type warehouse, floating device |
| CN106939543A (en) * | 2017-03-29 | 2017-07-11 | 嘉兴市南湖花卉园艺工程有限公司 | Mixed mud road surface Embosser |
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| CN108532959A (en) | 2018-09-14 |
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