CN218951987U

CN218951987U - High-speed railway case roof mechanical plastering light receiving device

Info

Publication number: CN218951987U
Application number: CN202223413756.8U
Authority: CN
Inventors: 唐爱华; 姜登朋; 刘建鹏; 李登科
Original assignee: China Railway 12th Bureau Group Co Ltd; First Engineering Co Ltd of China Railway No 12 Bureau Group Co Ltd
Current assignee: China Railway 12th Bureau Group Co Ltd; First Engineering Co Ltd of China Railway No 12 Bureau Group Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-02
Anticipated expiration: 2032-12-20

Abstract

The utility model belongs to the field of prefabrication and processing of high-speed railway box girders, and particularly relates to a mechanized plastering and light receiving device for a top plate of a high-speed railway box girder; the device comprises a truss structure, two walking units, two scraping plate units and two roller units, wherein the two walking units are oppositely arranged and fixed at two ends of the truss structure; the motorized pulley of the two pulley units is pulled away along the length direction of the truss structure, and the two motorized pulley are overlapped back and forth at the connecting position; the scrapers of the two scraper units are unfolded along the length direction of the truss structure, the adjacent sides of the two scrapers are beveled at a certain bevel angle, the two bevel surfaces after the beveling are parallel and keep a certain gap, and the width of the gap is smaller than the sine value of the length of the working surface on the cross section of the scraper multiplied by the bevel angle; by arranging the roller units and the scraper units, the traveling unit drives the top plate concrete to be pushed flat, compacted and polished continuously along the longitudinal direction of the high-speed railway box girder, so that the labor intensity is effectively reduced, and the labor is saved.

Description

High-speed railway case roof mechanical plastering light receiving device

Technical Field

The utility model belongs to the field of prefabrication processing of high-speed railway box girders, and particularly relates to a mechanized plastering and light receiving device for a top plate of a high-speed railway box girder.

Background

The technology of the high-speed railway precast box girder is mature, has the advantages of strong stability and high economy, and is widely applied to the construction of high-speed railways. However, the precast box girder concrete construction still has the problems of low mechanization degree, high labor intensity of workers and the like, the construction quality is difficult to control, and even the field workers are in a subsequent unmanned state. In order to reduce labor intensity and save labor, an automatic high-speed railway box girder roof plastering light receiving device needs to be developed to replace manual operation, so that the construction quality and efficiency of a high-speed railway box Liang Mamian light receiving procedure are improved, and the labor cost of enterprises is reduced.

Disclosure of Invention

The utility model aims to solve the problems of low mechanization degree, high labor intensity of workers, difficult control of construction quality and the like in the existing precast box girder concrete construction.

The utility model provides the following technical scheme: the mechanical plastering and light-receiving device for the top plate of the high-speed railway box girder comprises a truss structure, two walking units, two scraping plate units and two roller units, wherein the two walking units are oppositely arranged and fixed at two ends of the truss structure; the motorized pulley of the two pulley units is pulled away along the length direction of the truss structure, and the two motorized pulley are overlapped back and forth at the connecting position; the blades of the two blade units are unfolded along the length direction of the truss structure, and the adjacent sides of the two blades are beveled at a certain bevel angle, and after the beveling, the two bevel surfaces are parallel and keep a certain gap, and the width of the gap is smaller than the sine value of the length of the working surface on the cross section of the blade multiplied by the bevel angle.

Further, a hanging installation frame and a diagonal bracing frame extending forwards relative to the installation frame are hung on the truss structure, and the two roller units are respectively installed on the installation frame and the diagonal bracing frame.

Further, a pair of first slide ways are fixed on the inclined support in opposite directions, and a pair of second slide ways are fixed on the mounting frame in opposite directions; the roller unit comprises an electric roller, a guide upright post, a guide wheel set, a roller stabilizing frame and a roller electric cylinder; bearing seats at two ends of the electric roller are respectively fixed at the bottoms of two opposite guide upright posts, the two guide upright posts are connected through a roller stabilizing frame, the respective guide upright posts of the two roller units are correspondingly inserted into the first slide way or the second slide way, a guide wheel group is arranged on the guide upright posts to be in rolling contact with the first slide way or the second slide way, the top of the roller stabilizing frame is hinged with two roller electric cylinders, and the other ends of the roller electric cylinders are hinged with a truss structure.

Further, the scraper unit comprises a scraper, a motor mounting seat, an excitation motor, a vibration damping seat, a curved beam upright post, a reinforcing rod, a scraper electric cylinder and a parallel double-connecting-rod structure; the cross section of the scraper blade is L-shaped, the bottom working surface of the scraper blade is inclined with the ground, the inner side of the side surface mounting surface of the scraper blade is fixed with a vertical curved beam stand column through a vibration reduction seat, two curved beam hinge supports are arranged on the upper portion of the curved beam stand column along the vertical direction, the two curved beam hinge supports are connected with a parallel double-link structure, the other end of the parallel double-link structure is connected with the two hinge supports on the mounting frame, two motor mounting seats are symmetrically arranged on the side surface mounting surface of the scraper blade, two excitation motors are respectively fixed on the two motor mounting seats, the curved beam stand columns are connected through a reinforcing rod, the reinforcing rod is hinged with one end of a scraper blade electric cylinder, and the other end of the scraper blade electric cylinder is hinged with a truss structure.

Further, the walking unit comprises a driving system and a wheel rail and can walk on the rail; the two ends of the truss structure are welded with bolt fastening structures, and the walking unit is fixed with the bolt fastening structures of the truss structure through bolt fastening connecting plates welded at the tops of the walking units.

Further, the truss structure is divided into a truss structure left section, a truss structure middle section and a truss structure right section in the length direction, and the three sections are in butt joint through flanges.

Compared with the prior art, the utility model has the advantages that:

according to the mechanized plastering and light-receiving device for the top plate of the high-speed railway box girder, provided by the utility model, by arranging the group of roller units and the group of scraper units, the running units drive the top plate concrete to be continuously subjected to leveling, compaction and light-receiving along the longitudinal direction of the high-speed railway box girder, and the automatic adjustment function of the operation level is provided, so that the automation of the light-receiving operation of the high-speed railway box Liang Mamian is realized, the labor intensity is effectively reduced, the labor is saved, and the improvement of the prefabrication efficiency and the quality control of the high-speed railway box girder is facilitated.

The scraper unit adjusts the working height through the parallelogram mechanism, so that the horizontal working posture of the scraper can be kept at any time; the adjacent scrapers of the scraper units are subjected to beveling treatment, so that no gap exists in the concrete surface polishing under the condition that the scrapers are not contacted; the roller units are arranged in a staggered manner, so that the roller can push the concrete in a full-section manner, and the place where the roller is missed is avoided.

Drawings

Fig. 1 is a schematic structural view of the present utility model with a drum unit as a main view.

Fig. 2 is a schematic structural view of the present utility model with the squeegee unit as a main view angle.

Fig. 3 is a schematic structural view of the squeegee unit.

Fig. 4 is a schematic structural view of the drum unit.

Fig. 5 is a schematic structural view of a truss structure and a mounting frame.

Fig. 6 is a schematic view of the effect of the blade chamfering process.

In the figure: 1-truss structure; 11-a bolt fastening structure; 12-the left section of the truss structure; 13-flanges; 14-a middle section of the truss structure; 15-a right section of the truss structure;

2-a scraper unit; 21-a scraper; 22-a vibration reduction seat; 23-scraper electric cylinder; 24-parallel double link structure; 25-reinforcing bars; 26-a motor mount; 27-exciting a motor; 28-curved beam column;

a 3-drum unit; 31-motorized pulley; 32-a roller stabilizer; 33-a roller electric cylinder; 34-guiding upright posts; 35-guiding wheel sets;

4-mounting frames; 41-a first slideway; 42-diagonal bracing; 43-hinge support; 44-hinge support posts; 45-a second slideway;

5-walking unit.

Detailed Description

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

As shown in fig. 1 and 2, the present embodiment is a device for automatic plastering and light-receiving of a roof of a high-speed railway box girder, which comprises a truss structure 1, two traveling units 5, two scraper units 2 and two roller units 3, wherein the two traveling units 5 are oppositely arranged and fixed at two ends of the truss structure 1; the method is characterized in that: the motorized pulley 31 of the two pulley units 3 are pulled apart along the length direction of the truss structure 1, and the two motorized pulley 31 are overlapped back and forth at the joint position, and the length of the overlapped part is not less than 10cm; the blades 21 of the two blade units 2 are spread out in the longitudinal direction of the truss structure 1 and the adjacent sides of the two blades 21 are beveled at a chamfer angle, the beveled two chamfer surfaces being parallel and leaving a gap with a width smaller than the working surface length in the blade cross section multiplied by the sine of the chamfer angle.

The truss structure 1 is hung with a hanging installation frame 4 and a diagonal brace 42 extending forwards relative to the installation frame 4, and the two roller units 3 are respectively installed on the installation frame 4 and the diagonal brace 42.

A pair of first slide ways 41 are fixed on the inclined support frame 42 in opposite directions, a pair of second slide ways 45 are fixed on the mounting frame 4 in opposite directions, and the first slide ways 41 and the second slide ways 45 are vertically arranged and are positioned at the same height level; the roller unit 3 comprises an electric roller 31, a guide upright post 34, a guide wheel set 35, a roller stabilizing frame 32 and a roller electric cylinder 33; bearing seats at two ends of the electric roller 31 are respectively fixed at the bottoms of two opposite guide upright posts 34, the two guide upright posts 34 are connected through a roller stabilizing frame 32, the respective guide upright posts 34 of the two roller units 3 are correspondingly inserted into a first slide way 41 or a second slide way 45, a guide wheel set 35 is arranged on the guide upright posts 34 and is in rolling contact with the first slide way 41 or the second slide way 45 so as to reduce friction force when the guide upright posts 34 slide, the top of the roller stabilizing frame 32 is hinged with two roller electric cylinders 33, the other ends of the roller electric cylinders 33 are hinged with the truss structure 1, and the roller stabilizing frame 32 is lifted when the roller electric cylinders 33 stretch out and draw back, so that the working height of the electric roller 31 is changed.

The scraper unit 2 comprises a scraper 21, a motor mounting seat 26, an exciting motor 27, a damping seat 22, a Qu Yuan upright post 28, a reinforcing rod 25, a scraper electric cylinder 23 and a parallel double-connecting-rod structure 24; the cross section of the scraper 21 is L-shaped, the bottom working surface of the scraper is inclined with the ground, the inner sides of the side surface mounting surfaces of the scraper are respectively fixed with three vertical curved beam upright posts 28 through shock absorbers 22, two curved beam hinge supports are arranged on the upper parts of the curved beam upright posts 28 along the vertical direction, six hinge support upright posts 44 are distributed on the middle part of the rear part of the mounting frame 4 along the length direction of the truss structure 1, each hinge support upright post 44 is vertically fixed, the upper edge of each hinge support upright post 44 is welded with an upper hinge support 43 and a lower hinge support 43, the upper hinge support and the lower hinge support on the six hinge support upright posts 44 are respectively positioned at the same horizontal height, the height difference of the two curved beam hinge supports is consistent with the height difference of the hinge supports 43 on the hinge support upright post 44, the two curved beam hinge supports are connected with the parallel double-link structure 24, the other end of the parallel double-link structure 24 is connected with the two hinge supports 43 on the mounting frame 4, two motor mounting seats 26 are symmetrically arranged on the side surface mounting surface of the scraping plate 21, two exciting motors 27 are respectively fixed on the two motor mounting seats 26, an upper row of reinforcing rods 25 and a lower row of reinforcing rods 25 are transversely welded between the three curved beam upright posts 28, the reinforcing rods 25 at the top are symmetrically hinged with scraping plate electric cylinders 23 by taking the middle and two sides of a central line in the length direction, and the other end of each scraping plate electric cylinder 23 is hinged with the truss structure 1. When the scraper electric cylinder 23 stretches and contracts, the parallel double-link structure 24 rotates by taking the hinged support 43 as a pivot, the parallel double-link structure 24 lifts the scraper 21 to lift or descend, the inclination angle of the scraper 21 and the ground is unchanged in the lifting and descending processes, and the horizontal working posture of the scraper can be kept at all times.

The walking unit 5 comprises a driving system and a wheel rail and can walk on the rail; the two traveling units 5 are oppositely arranged, the wheel track directions are parallel, the tops of the traveling units are welded with bolt fastening connecting plates, the two ends of the truss structure 1 are welded with bolt fastening structures 11, and the traveling units 5 are fixed with the bolt fastening structures 11 of the truss structure 1 through the bolt fastening connecting plates welded at the tops of the traveling units.

The truss structure 1 is divided into three sections of a truss structure left section 12, a truss structure middle section 14 and a truss structure right section 15 in the length direction, and the three sections can be in butt joint through the flange 13, and the truss structure left section 12 and the truss structure right section 15 can be only in butt joint through the flange 13, so that the truss structure is suitable for construction of box girders with different spans.

The automatic plastering light receiving device for the top plate of the high-speed railway box girder provided by the utility model is different from the prior art, realizes the automation of light receiving operation of the high-speed railway box Liang Mamian, effectively reduces labor intensity, saves labor, and is beneficial to the improvement of prefabrication efficiency and quality control of the high-speed railway box girder.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The mechanized plastering and light receiving device for the top plate of the high-speed railway box girder comprises a truss structure (1), two traveling units (5), two scraper units (2) and two roller units (3), wherein the two traveling units (5) are oppositely arranged and fixed at two ends of the truss structure (1); the method is characterized in that: the motorized pulley (31) of the two pulley units (3) are pulled away along the length direction of the truss structure (1), and the two motorized pulley (31) are overlapped front and back at the connecting position; the blades (21) of the two blade units (2) are unfolded along the length direction of the truss structure (1), and adjacent sides of the two blades (21) are beveled at a certain chamfer angle, and after the beveling, the two chamfer surfaces are parallel and keep a certain gap, and the width of the gap is smaller than the sine value of the length of the working surface on the cross section of the blade multiplied by the chamfer angle.

2. The mechanical plastering and light receiving device for the top plate of the high-speed railway box girder according to claim 1 is characterized in that: the truss structure (1) on connect with the mounting bracket (4) of sagging and relative mounting bracket (4) forward extension bracing frame (42), two cylinder units (3) are installed respectively on mounting bracket (4) and bracing frame (42).

3. The mechanical plastering and light receiving device for the top plate of the high-speed railway box girder according to claim 2 is characterized in that: a pair of first slide ways (41) are oppositely fixed on the diagonal bracing frame (42), and a pair of second slide ways (45) are oppositely fixed on the mounting frame (4); the roller unit (3) comprises an electric roller (31), a guide upright post (34), a guide wheel set (35), a roller stabilizing frame (32) and a roller electric cylinder (33); bearing seats at two ends of the electric roller (31) are respectively fixed at the bottoms of two opposite guide upright posts (34), the two guide upright posts (34) are connected through a roller stabilizing frame (32), the respective guide upright posts (34) of the two roller units (3) are correspondingly inserted into a first slide way (41) or a second slide way (45), guide wheel sets (35) are arranged on the guide upright posts (34) to be in rolling contact with the first slide way (41) or the second slide way (45), two roller electric cylinders (33) are hinged to the top of the roller stabilizing frame (32), and the other ends of the roller electric cylinders (33) are hinged to the truss structure (1).

4. The mechanical plastering and light receiving device for the top plate of the high-speed railway box girder according to claim 2 is characterized in that: the scraper unit (2) comprises a scraper (21), a motor mounting seat (26), an excitation motor (27), a vibration damping seat (22), a Qu Yuan upright post (28), a reinforcing rod (25), a scraper electric cylinder (23) and a parallel double-connecting-rod structure (24); the cross section of the scraper blade (21) is L-shaped, the bottom working surface of the scraper blade is inclined with the ground, the inner side of the side surface mounting surface of the scraper blade is fixed with a vertical Qu Yuan stand column (28) through a vibration reduction seat (22), two curved beam hinge supports are arranged on the upper portion of the curved beam stand column (28) along the vertical direction, the two curved beam hinge supports are connected with a parallel double-link structure (24), the other end of the parallel double-link structure (24) is connected with two hinge supports (43) on a mounting frame (4), two motor mounting seats (26) are symmetrically arranged on the side surface mounting surface of the scraper blade (21), two excitation motors (27) are respectively fixed on the two motor mounting seats (26), the curved beam stand column (28) is connected with one end of a scraper blade electric cylinder (23) through a reinforcing rod (25), and the other end of the scraper blade electric cylinder (23) is hinged with a truss structure (1).

5. The mechanical plastering and light receiving device for the top plate of the high-speed railway box girder according to claim 1 is characterized in that: the walking unit (5) comprises a driving system and a wheel rail and can walk on the rail; both ends of the truss structure (1) are welded with bolt fastening structures (11), and the walking unit (5) is fixed with the bolt fastening structures (11) of the truss structure (1) through bolt fastening connecting plates welded at the tops of the walking unit.

6. The mechanical plastering and light receiving device for the top plate of the high-speed railway box girder according to claim 1 is characterized in that: the truss structure (1) is divided into three sections in the length direction, namely a truss structure left section (12), a truss structure middle section (14) and a truss structure right section (15), and the three sections are in butt joint through flanges (13).