CN219732223U - Prefabricated cover plate laying device - Google Patents

Abstract

The utility model relates to the technical field of building construction, in particular to a prefabricated cover plate paving device. The device comprises a movable support, a lifting assembly arranged on the movable support, and a track assembly, wherein the track assembly comprises two traveling tracks which are transversely arranged oppositely and longitudinally extend, the two traveling tracks are respectively used for being clamped and fixed on the upper edges of the two side walls of the groove, the lower end of the movable support is arranged on the traveling tracks and moves along the traveling tracks, and a guide mechanism for guiding the movement of the movable support is further arranged on the traveling tracks. The movable support can be supported through the track assembly, the movable support can slide on the track assembly and is guided by the guide mechanism, so that unexpected deflection of the movement direction of the movable support can be avoided in the actual construction process, the laying device is prevented from overturning, and the operation safety is ensured.

Description

Prefabricated cover plate laying device

Technical Field

The utility model relates to the technical field of building construction, in particular to a prefabricated cover plate paving device.

Background

With the development of society, people pay more attention to life quality, and wetland parks are places for providing rest, tour, exercise and holding various collective cultural activities, and serve as places for leisure and entertainment of urban residents, so that leisure demands of the urban residents are met, and the wetland parks become one of the most main contents of urban construction.

When the wetland park is built, a series of planning needs to be carried out on the drainage system of the wetland park, on one hand, the drainage system of the wetland park bears the drainage of the wastewater generated in the wetland park, and on the other hand, the design sense of the drainage system can be increased to be integrated with the overall style of the wetland park. When in actual planning, the main groove and the secondary groove communicated with the main groove are firstly required to be dug through the digging equipment, and the main groove and the secondary groove are distributed in a fishbone shape. After the grooves are excavated, prefabricated cover plates are paved on the grooves for sealing in order to reduce the bad smell caused by careless dropping of urban residents or volatilization of waste water in the main grooves and the secondary grooves.

At present, two construction schemes are paved on the prefabricated cover plate, one is operated in a purely manual mode, the prefabricated cover plate is manually carried and paved, and the operation mode is time-consuming and labor-consuming and has a large potential safety hazard. The other type of operation utilizes large-scale hoisting device such as portal crane, needs to arrange hoisting equipment in construction department at this moment, and then utilizes hoisting device to hoist and lay the apron on the slot, and repeat above-mentioned step to this accomplishes the laying work of the prefabricated apron of whole slot, but because job site space is limited, this kind of operation mode operation degree of difficulty is great, and when actual construction, large-scale hoisting equipment removes the difficulty, and slot length is longer, and the efficiency of construction is lower.

Aiming at the technical problems, in the prior art, as disclosed in Chinese patent application with the publication number of CN217650765U, a trench cover plate paving tool is disclosed, the tool comprises two parallel longitudinal beams, a cross beam is fixedly arranged between the two longitudinal beams, two upright posts are respectively arranged at two ends of the two longitudinal beams, wheels are arranged at the lower ends of the two upright posts at one side of the two upright posts, a bearing plate is arranged at the lower ends of the two upright posts at the other side of the two upright posts, the bearing plate is used for placing a trench cover plate (namely a prefabricated cover plate) to be installed, and wheels for walking are arranged at the lower ends of the bearing plate. Thus wheels for walking are arranged around the bottom of the whole tool. When in actual use, the tool is wholly spanned above the groove, the groove cover plate to be installed is placed on the bearing plate, the wheels move along the length direction of the grooves on two sides, when the tool moves to the laying position, the groove cover plate is lifted by the electric hoist (namely the lifting assembly) installed on the cross beam and is lowered to the installation position to finish laying, and the wheels continue to move along the groove until all laying work is finished.

By utilizing the groove cover plate paving tool, carrying and paving work of the groove cover plate do not need to be completed manually, meanwhile, the whole structure is simple, the operation difficulty is small, the use is convenient, the technical problems are solved, however, as the wheels which walk are directly walked along two sides of the groove, once accidental deflection occurs in the direction of the wheels during actual use, the whole tool is easy to overturn and fall into the groove, heavier groove cover plates are conveyed on the tool, larger potential safety hazards exist, the groove and the groove cover plates are easy to damage, and the construction problem is caused.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the prefabricated cover plate paving device, which can support the movable support through the track assembly, the movable support can move on the track assembly and is guided by the guide mechanism, so that the paving device can be prevented from being overturned due to accidental deflection of the movement direction of the movable support in the actual construction process, the operation safety is ensured, and meanwhile, the prefabricated cover plate paving device is integrally arranged above a groove in a crossing way in the actual use, the space above the groove is reasonably utilized, the construction process is not influenced by the surrounding environment, and the smooth construction is ensured.

According to the technical scheme, the prefabricated cover plate laying device comprises a movable support, a lifting assembly arranged on the movable support, and a track assembly, wherein the track assembly comprises two transverse traveling tracks which are oppositely arranged and longitudinally extend, the two traveling tracks are respectively used for being clamped and fixed on the upper edges of the two side walls of a groove, the lower end of the movable support is arranged on the traveling tracks in a supporting mode and moves along the traveling tracks, and a guide mechanism for guiding the movement of the movable support is further arranged on the traveling tracks.

Further, the guide mechanism is a folded plate fixedly arranged on the travelling rails and extending longitudinally, travelling wheels are arranged at the lower ends of the movable brackets corresponding to the travelling rails on two sides, and the travelling wheels are erected on the corresponding folded plates and guide by utilizing the side surfaces of the folded plates.

Further, the folded plate comprises horizontal plates and vertical plates extending upwards along the vertical direction, the vertical plates are arranged close to the inner sides of the corresponding horizontal plates, and the distance between the traveling wheels on two sides is matched with the distance between the vertical plates on two sides.

Further, the folded plate comprises two side plates, the folded plate is inverted V-shaped with a notch arranged downwards, and a notch capable of being clamped with the inverted V-shaped is arranged on the cross section of the travelling wheel.

Further, the walking track comprises a horizontal top plate and vertical side plates arranged on two sides of the horizontal top plate, and the distance between the two vertical side plates is not smaller than the wall thickness of the side wall of the groove.

Further, at least one of the two vertical side plates is provided with a threaded through hole extending along the transverse direction, and a fastening bolt is screwed in the threaded through hole.

Further, the walking track is provided with at least two sections along the longitudinal direction.

Further, a pushing handle is arranged on the movable support.

Further, traction ropes are arranged on two longitudinal sides of the movable support.

Further, the movable support comprises a cross beam and two support frames fixedly mounted on two sides of the cross beam, the lifting assembly is mounted on the cross beam, the support frames comprise bottom longitudinal beams, the support frames further comprise two sections of inclined beams, two ends of each inclined beam are respectively fixed on the bottom longitudinal beams and the cross beam, and a stiffening beam is arranged between the two sections of inclined beams.

The beneficial effects are that: according to the prefabricated cover plate paving device, the movable support can be supported through the track assembly, the movable support can slide on the track assembly, and the moving direction of the movable support can be guided by utilizing the cooperation of the travelling wheels and the angle steel, so that the moving direction of the movable support is prevented from being accidentally deflected in the actual construction process, the paving device is prevented from being overturned, and the operation safety is ensured.

The track subassembly passes through the mode setting of joint at the upper edge of slot lateral wall, is convenient for lay and dismantle track subassembly, and the movable support also can withdraw from slot top after the construction finishes, and the device's each part can be in a plurality of slot sites reuse promptly, has further saved construction cost.

Meanwhile, when the prefabricated cover plate paving device is in actual use, the prefabricated cover plate paving device is integrally arranged above the groove in a crossing way, the space above the groove is reasonably utilized, the construction process is not influenced by surrounding environment, the structure is simple, compared with the use of large hoisting equipment, the cost of construction equipment is reduced, fewer constructors are needed in the paving process, and the cost of constructors is reduced while the construction period is ensured.

The pushing handle is utilized to facilitate pushing the movable support to move. By utilizing the two traction ropes, two operators can finish paving operation only at the initial position and the operation position of the prefabricated cover plate in actual construction, and the two operators do not need to run back and forth, so that the operation efficiency is improved, and the labor intensity is reduced.

The walking track is designed into multiple sections, so that the walking track is convenient to install and lay in practice, the modularized design of the track assembly is convenient to realize, the practical transportation is convenient, and the construction cost is reduced.

Drawings

FIG. 1 is a schematic view showing the overall structure of a prefabricated cover panel laying apparatus according to embodiment 1 of the present utility model;

FIG. 2 is a front view of a prefabricated cover panel laying device of embodiment 1 of the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 1;

FIG. 5 is a schematic view showing the overall structure of a prefabricated cover panel laying apparatus according to embodiment 2 of the present utility model;

FIG. 6 is a front view of a prefabricated cover panel laying device according to embodiment 2 of the present utility model;

fig. 7 is an enlarged view at C in fig. 6.

In the figure: 1. a track assembly; 11. a walking rail; 111. a horizontal top plate; 112. a vertical side plate; 113. a fastening bolt; 114. a fixing screw; 12. a guide mechanism; 121. angle steel; 1211. a horizontal plate; 1212. a vertical plate; 2. a movable support; 21. a walking wheel; 22. a cross beam; 23. a longitudinal beam; 24. a sloping beam; 25. a stiffening beam; 3. a lifting assembly; 31. lifting a rotating roller; 32. lifting a motor; 33. hoisting a steel wire rope; 34. a clamping hook; 4. pushing the handle; 5. a traction rope; 6. prefabricating a cover plate; 7. a groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model is described in further detail below with reference to the attached drawing figures:

specific example 1:

in the present embodiment, as shown in fig. 1, the lateral direction is the width direction of the groove 7, and the longitudinal direction is the length direction of the groove 7.

Referring to fig. 1 to 4, as shown in fig. 1, the prefabricated cover panel laying apparatus (hereinafter, referred to as a laying apparatus) of the present utility model includes a moving bracket 2 and a lifting assembly 3 provided on the moving bracket 2, the lifting assembly 3 being for lifting a prefabricated cover panel 6 and placing it on a trench 7.

As shown in fig. 1, 2 and 3, in this embodiment, the laying device further includes a track assembly 1, the track assembly 1 includes two running tracks 11 which are oppositely arranged in a transverse direction and extend longitudinally, the two running tracks 11 are respectively used for being clamped and fixed on upper edges of two side walls of the groove 7, the lower end of the moving bracket 2 is erected on the running track 11 and slides along the running track 11, and a guiding mechanism 12 for guiding movement of the moving bracket 2 is further arranged on the running track 11. In this embodiment, each of the walking rails 11 is composed of two sections of rails, however, in other embodiments, the walking rails 11 may also be composed of three sections, four sections, five sections, and other sections of rails, and of course, may also be composed of only one section of rails under the condition of meeting the actual requirements.

Specifically, as shown in fig. 2 and 3, the walking track 11 includes a horizontal top plate 111 and vertical side plates 112 disposed on both sides of the horizontal top plate 111, and the distance between the two vertical side plates 112 is slightly larger than the wall thickness of the side walls of the trench 7. The vertical side plate 112 and the horizontal top plate 111 form an opening facing downwards, and the opening is clamped on the side wall of the groove 7. Also in the present embodiment, the vertical side plates 112 are arranged in plural at intervals along the length direction of the horizontal side plates, so that the material use can be reduced while meeting the clamping requirement of the travel rail 11 and the groove 7. Of course, in other embodiments, the vertical side panels 112 may be an entire longitudinally extending elongated panel.

In the present embodiment, as shown in fig. 3 and 4, in the single running rail 11, a threaded through hole extending in the lateral direction is provided on the vertical side plate 112 on the outer side, and a fastening bolt 113 is screwed in the threaded through hole, so that after the running rail 11 is clamped on the side wall of the groove 7, by screwing the fastening bolt 113, one end of the fastening bolt 113 toward the inner side of the groove 7 abuts on the outer wall of the groove 7, thereby fixedly mounting the running rail 11 on the side wall of the groove 7. Of course, in other embodiments, in case of meeting the actual operation requirement, the two vertical side plates 112 of the single walking rail 11 may be provided with threaded through holes extending in the transverse direction, and the fastening bolts 113 are screwed in the threaded through holes.

In this embodiment, as shown in fig. 3 and 4, the guiding mechanism 12 is a folded plate fixedly arranged on the travelling rail 11 and extending longitudinally, travelling wheels 21 are arranged at the lower end of the moving bracket 2 corresponding to the positions of the travelling rails 11 on both sides, and two travelling wheels 21 on one side are arranged at intervals longitudinally so as to keep the moving bracket 2 stable, however, in other embodiments, the number of the travelling wheels 21 on one side can be set according to actual needs, such as three, four, etc., so long as the stability of the moving bracket 2 can be ensured. The travelling wheels 21 are mounted on the respective flaps and guided by the flap sides.

Specifically, in the present embodiment, the folded plate is the angle steel 121 composed of the horizontal plate 1211 and the vertical plate 1212, and the horizontal plate 1211 has a lateral width larger than that of the traveling wheel 21. The horizontal plate 1211 is fixedly mounted on the horizontal top plate 111 of the travel rail 11 by a set screw 114, and the set screw 114 is integrally sunk into the horizontal plate 1211 to avoid interference with the movement of the travel wheel 21. The vertical plates 1212 extend vertically upward perpendicular to the horizontal plates 1211, and the vertical plates 1212 are disposed entirely adjacent to the inner sides of the respective horizontal plates 1211. The spacing between the laterally-opposed road wheels 21 is adapted to the spacing between the laterally-opposed vertical plates 1212 so that opposite faces of the laterally-opposed road wheels 21 can be disposed adjacent to the sides of the opposite vertical plates 1212. Of course, in other embodiments, the folded plate may be made of a composite plate with higher strength, so long as the folded plate can meet the use requirement.

Thus, in actual use, after the moving bracket 2 is erected on the traveling rail 11, the traveling wheels 21 on both lateral sides can be supported on the horizontal plates 1211 on the respective sides and moved along the horizontal plates 1211. The traveling wheels 21 on two sides can be limited on the horizontal top plate 111 of the traveling rail 11 on two sides by the vertical plate 1212, the traveling of the traveling wheels 21 is guided, the displacement of the traveling wheels 21 in the transverse direction is limited, the movable support 2 is prevented from being overturned in an offset manner, the operation safety is ensured, and the construction safety is improved.

In this embodiment, as shown in fig. 1 and 2, the movable bracket 2 includes a beam 22 and two supporting frames fixedly mounted on two sides of the beam 22, and the lifting assembly 3 is mounted on the beam 22. The support frame includes bottom longeron 23, and walking wheel 21 installs on bottom longeron 23, and the support frame still includes two sections sloping 24, and the both ends of sloping 24 are fixed respectively on bottom longeron 23 and crossbeam 22.

Three sections of reinforcing beams 25 are fixed between the two sections of inclined beams 24, wherein the two sections of reinforcing beams 25 at the upper part are arranged in parallel with the longitudinal beams 23, and the one section of reinforcing beams 25 at the lower part are obliquely arranged, so that a plurality of stable triangular row structures can be enclosed in the support frame, and the stability of the movable support 2 is ensured. Of course, in other embodiments, the number of the reinforcing beams 25 may be set according to actual needs, such as two, four or only one reinforcing beam 25. In other embodiments, the reinforcement beams 25 may be arranged in different manners, such as all being parallel to the bottom side members 23, or all being inclined, so long as they can meet the actual requirements, and are not limited herein.

In the present embodiment, as shown in fig. 1 and 2, the hoisting assembly 3 includes a hoisting roller 31, a hoisting motor 32, a hoisting wire rope 33, and a clamp hook 34. Wherein, the crossbeam 22 below of movable support 2 is provided with the bearing frame, lifts by crane the axis of changeing roller 31 and extends along vertical and rotate and install in this bearing frame, lifts by crane the one end of wire rope 33 and lifts by crane changeing roller 31 fixed connection, and the other end is with clamping hook 34 fixed connection, and clamping hook 34 is used for the articulated prefabricated apron 6. The casing of the lifting motor 3232 is fixed on the cross beam 22 of the movable bracket 2 through bolts, and the lifting motor 32 is fixedly connected with the lifting roller 31 coaxially so as to drive the lifting roller 31 to rotate by using the lifting motor 32.

The working process of the prefabricated cover plate paving device comprises the following steps: firstly, two walking rails 11 are clamped on the side walls of two sides of the groove 7, and corresponding fastening bolts 113 are screwed, so that the installation work of the rail assembly 1 is completed.

The horizontal plate 1211 of the angle steel 121 is fixedly mounted on the horizontal top plate 111 of the travel rail 11 by the fixing screw 114, and the mounting work of the guide mechanism 12 is completed.

At the initial position of laying, the movable support 2 is erected on the track assembly 1, specifically, the walking wheels 21 on the two lateral sides are erected on the horizontal top plates 111 on the corresponding sides respectively, and the vertical plates 1212 on the two sides are positioned between the walking wheels 21 on the two sides, so that the movable support 2 can move along the travelling track and be guided by the guide mechanism 12, and the installation work of the movable support 2 is completed.

After that, the prefabricated cover plates 6 are stacked at the starting position, the height of the prefabricated cover plates 6 is lower than the hoisting limit height of the hoisting assembly 3, the prefabricated cover plates 6 are clamped by the clamping hooks 34, and the hoisting motor 32 is started to hoist the prefabricated cover plates 6. Then, a worker pushes the movable support 2 to move to a first laying position (the first laying position is the gap of the groove 7 closest to the starting position), and starts the hoisting motor 32 to lower the prefabricated cover plate 6, so that the laying work of the first prefabricated cover plate 6 is completed. The worker pushes the movable support 2 to the initial position to continue to hoist the second prefabricated cover plate 6, conveys the second prefabricated cover plate 6 to the second laying position through the movable support 2, and repeats the above operation until the laying work of all the prefabricated cover plates 6 is completed, and the sealing cover of the groove 7 is completed. Thus, the operation can be completed by one worker, and the construction cost is reduced.

Example 2: unlike embodiment 1, in this embodiment, as shown in fig. 5, 6 and 7, the folded plate includes two side plates, and the folded plate is inverted V-shaped with a notch arranged downward, in this embodiment, the folded plate is an angle steel 121, two lateral sides of the angle steel 121 are fixedly mounted on the horizontal top plate 111 of the travelling rail 11 in a welding manner, so that the angle steel 121 is inverted V-shaped as a whole, a notch capable of being clamped with the inverted V-shaped is formed in the cross section of the travelling wheel 21, specifically, as shown in fig. 7, in this embodiment, the cross section of the travelling wheel 21 is H-shaped, when the travelling wheel 21 is erected on the angle steel 121, the travelling wheel 21 can be attached to a lateral side of the angle steel 121, and then the lateral side of the angle steel 121 is matched with the travelling wheel 21, so that the travelling wheel 21 is prevented from being deviated, and guiding is completed. Of course, in other embodiments, the travelling wheel 21 may be a V-shaped wheel, and the cross section of the V-shaped wheel is adapted to the inverted V shape of the angle steel 121. Of course, in other embodiments, the folded plate may be made of a composite plate with higher strength, so long as the folded plate can meet the use requirement.

In this embodiment, for convenience of operation of the constructor, as shown in fig. 5, a pushing handle 4 is further disposed on the inclined beam 24 of the movable support 2, however, in other embodiments, the pushing handle 4 may be disposed at other positions, such as the reinforcing beam 25, the cross beam 22, etc., as long as the movable support 2 can be conveniently pushed, which is not limited herein.

In this embodiment, in order to facilitate the operation of the constructor, as shown in fig. 5, both sides of the support frame of the movable bracket 2 in the longitudinal direction are provided with traction ropes 5. In fig. 5, only the structure of the hauling rope 5 on the side of the support frame facing the starting position is shown, the arrangement mode of the hauling rope 5 on the other side is the same as that of the hauling rope 5 on the side, and excessive display is not shown in the figure.

Thus, during actual construction, two operators can rapidly complete integral paving work, namely, the two operators respectively wait at the initial hoisting position and the operation position of the prefabricated cover plate 6, when one prefabricated cover plate 6 is paved, the operator at the initial position pulls the side pulling rope 5 to pull the movable support 2 back to the initial position and load the prefabricated cover plate 6, and then the operator at the operation position pulls the pulling rope 5 at the other side and drives the movable support 2 to move to the operation position to perform paving of the prefabricated cover plate 6, so that the operator does not need to run back and forth, the operation efficiency is improved, and the labor intensity is reduced.

The operation process of the prefabricated cover board laying device in this embodiment is different from that of embodiment 1 in that in this embodiment, after the first prefabricated cover board 6 is lifted, a worker holds the pushing handle 4 to drive the movable support 2 to move to the first laying position, so as to complete the laying work of the first prefabricated cover board 6. And then an operator at the starting position pulls the traction rope 5 at the side to bring the movable support 2 back to the starting position and continuously hoist the second prefabricated cover plate 6, and a worker at the working position pulls the traction rope 5 at the other side to drive the movable support 2 to the second laying position and finish the laying of the second prefabricated cover plate 6, and the above actions are repeated until the laying work of all the prefabricated cover plates 6 is finished.

Example 3: the present embodiment provides a different guiding mechanism, unlike embodiment 1, in which a slider is provided on a bottom rail of a moving bracket in this embodiment, a sliding groove adapted to the slider and extending longitudinally is provided on a horizontal top plate of a travel rail, so that the moving of the moving bracket on a rail assembly is realized by sliding the slider in the sliding groove, and guiding of the moving bracket is realized.

Example 4: the present embodiment provides a different guiding mechanism, unlike embodiment 1, in this embodiment, when meeting actual requirements, in design, the distance between two vertical side plates of the walking track may be equal to the maximum sidewall thickness of the groove, and after the walking track is clamped on the groove, the vertical side plates and the sidewalls are directly fixed, and the vertical side plates do not need to be provided with corresponding threaded through holes and fastening bolts.

Example 5: the present embodiment provides a different walking track, unlike embodiment 1 in that, in this embodiment, the cross section of the walking track is H-shaped, the lower end opening of the H-shape is used for being clamped on the side wall of the groove, and the upper end opening is used for placing the walking wheel, so that the guiding of the moving bracket is realized by using the walking track itself.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a prefabricated apron laying device, includes movable support (2) and sets up hoisting assembly (3) on movable support (2), its characterized in that still includes track subassembly (1), track subassembly (1) include two horizontal relative arrangement, and along longitudinally extending's walking track (11), and two walking tracks (11) are used for the joint to fix on the both sides wall upper edge of slot (7) respectively, the lower extreme frame of movable support (2) is established on walking track (11) and is removed along walking track (11), still be provided with guiding mechanism (12) that guide the removal of movable support (2) on walking track (11).

2. The prefabricated cover plate laying device according to claim 1, wherein the guiding mechanism (12) is a folded plate fixedly arranged on the travelling rails (11) and extending longitudinally, travelling wheels (21) are arranged at positions, corresponding to the travelling rails (11) on two sides, of the lower end of the movable support (2), and the travelling wheels (21) are erected on the corresponding folded plates and guided by utilizing the side surfaces of the folded plates.

3. The prefabricated cover board laying device according to claim 2, characterized in that the flap comprises horizontal boards (1211) and vertical boards (1212) extending vertically upwards, which vertical boards (1212) are arranged close to the inner side of the respective horizontal boards (1211), the spacing between the two side road wheels (21) being adapted to the spacing between the two side vertical boards (1212).

4. The prefabricated cover board laying device according to claim 2, characterized in that the folded board comprises two side boards, and the folded board is inverted V-shaped with a notch arranged downwards, and the cross section of the travelling wheel (21) is provided with a notch capable of being clamped with the inverted V-shape.

5. The prefabricated cover board laying device according to any one of claims 1-4, characterized in that the walking track (11) comprises a horizontal top board (111) and vertical side boards (112) arranged on two sides of the horizontal top board (111), and the distance between the two vertical side boards (112) is not smaller than the wall thickness of the side wall of the groove (7).

6. The prefabricated cover board laying device according to claim 5, characterized in that at least one of the two vertical side boards (112) is provided with a threaded through hole extending in the transverse direction, and a fastening bolt (113) is screwed in the threaded through hole.

7. Prefabricated cover laying device according to any one of claims 1-4, characterized in that the running rail (11) is provided with at least two sections in longitudinal direction.

8. Prefabricated cover laying device according to any one of claims 1-4, characterized in that the mobile carriage (2) is provided with a pushing handle (4).

9. Prefabricated cover laying device according to any one of claims 1-4, characterized in that the mobile support (2) is provided with traction ropes (5) on both longitudinal sides.

10. The prefabricated cover board laying device according to any one of claims 1-4, wherein the movable support (2) comprises a cross beam (22) and two supporting frames fixedly installed on two sides of the cross beam (22), the lifting assembly (3) is installed on the cross beam (22), the supporting frames comprise a bottom longitudinal beam (23), the supporting frames further comprise two sections of inclined beams (24), two ends of each inclined beam (24) are respectively fixed on the bottom longitudinal beam (23) and the cross beam (22), and a reinforcing beam (25) is arranged between the two sections of inclined beams (24).