CN210758377U

CN210758377U - Concrete pipe evaporates foster cover

Info

Publication number: CN210758377U
Application number: CN201921394664.5U
Authority: CN
Inventors: 吕保丰; 王亚东
Original assignee: Beijing Miyun Cement Products Co ltd
Current assignee: Beijing Miyun Cement Products Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-16
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a concrete pipe steam curing cover, which comprises a fixed cover body, a cover top and a sliding door; the fixed cover body is of a semi-cylindrical structure and is arranged on the ground; the cover top is arranged at the upper part of the fixed cover body; the sliding door is arranged on the outer side of the fixed cover body in a sliding mode, and the sliding door can be combined with the fixed cover body, the cover top and the ground through sliding to form a closed cover body. The utility model discloses a set up the opening on evaporating to support, set up the sliding door and open and shut, can be convenient use handcart direct with the concrete pipe fortune evaporate support in, labour saving and time saving improves work efficiency.

Description

Concrete pipe evaporates foster cover

Technical Field

The utility model relates to a concrete curing means, in particular to concrete pipe evaporates foster cover.

Background

The concrete pipe is steamed to be a curing mode for the concrete pipe, the concrete pipe is placed in a closed space, steam is introduced into the space, the steam is condensed to release heat to transfer the steam to the concrete, the temperature and the humidity of the concrete during curing can be improved, and the hardening process of the concrete can be accelerated. The concrete pipe steam curing cover is a device for forming a closed space in the steam curing process.

The existing concrete pipe steam curing cover mainly comprises a support rod and a cover body; the support rod is formed by fixedly connecting a plurality of rod pieces to form a cylindrical structure; the cover body is sleeved on the support rod to form a sealed cylindrical structure; when the steam curing cover is used, the steam curing cover is arranged at the steam nozzle, the concrete pipe is arranged in the steam curing cover, and steam is introduced into the steam curing cover to carry out the steam curing process of the concrete pipe.

When the steam curing cover is used for steam curing, the concrete pipe is firstly conveyed to a place for steam curing, the concrete pipe can be directly transferred by using the trolley in the process, and the heavy concrete pipe can be transferred by using the forklift; after the concrete pipe is conveyed to a steam curing place, covering the steam curing cover on the outer side of the concrete pipe from the upper part of the concrete pipe, wherein the steam curing cover is large in size and heavy, and is difficult to cover the concrete pipe by manpower, so that the steam curing cover needs to be lifted by using a lifting device and is covered outside the concrete pipe; when the concrete pipe is replaced, the steam curing cover needs to be lifted, the concrete pipe is conveyed out by using the trolley, the concrete pipe needing steam curing is conveyed into the steam curing cover, and then the steam curing cover is covered. In the process, a lifting device is needed to operate the steam curing cover, the operation is more complicated, and the working efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete pipe evaporates foster cover, it evaporates foster and covers and be provided with the sliding door, promotes the sliding door and forms an opening in the side of evaporating foster cover, uses the shallow can directly advance to evaporate foster cover with the concrete pipe from the opening part fortune, then closes the sliding door, evaporates foster, and the operation is more convenient, improves work efficiency.

The above object of the present invention can be achieved by the following technical solutions: a concrete pipe steam curing cover comprises a fixed cover body, a cover top and a sliding door; the fixed cover body is of a semi-cylindrical structure and is arranged on the ground; the cover top is arranged at the upper part of the fixed cover body; the sliding door is arranged on the outer side of the fixed cover body in a sliding mode, and the sliding door can be combined with the fixed cover body, the cover top and the ground through sliding to form a closed cover body.

By adopting the technical scheme, when the concrete pipe is steamed, the concrete pipe is pushed into the steam curing cover, then the sliding door is closed to form a closed space, then steam is introduced into the steam curing cover for steam curing, the concrete pipe in the steam curing cover is pushed out after the steam curing is finished, and then the other concrete pipe is pushed in for steam curing; in the process, devices such as a crane and the like are not needed, the operation is simple and convenient, time and labor are saved, and the working efficiency can be improved.

The utility model discloses further set up to: the device also comprises an annular track, a moving assembly, a guide rail and a guide assembly; the annular track is arranged on the ground on the outer side of the fixed cover body and is coaxial with the fixed cover body; the sliding door is arranged on the moving assembly, and the moving assembly is matched with the annular track and can slide along the annular track; the edge of the cover top is set as a horizontal edge; the guide rail is arranged on the lower side surface of the horizontal edge of the cover top, is annular and corresponds to the annular track; the guide assembly is arranged on the upper portion of the sliding door and is matched with the guide rail, so that the sliding door can move along the guide rail.

Through adopting above-mentioned technical scheme, make the sliding door slide along the circular orbit, carry out opening and shutting to fixed cover body open-ended, be provided with direction subassembly and guided way cooperation in addition, can make the sliding door more stable, difficult production is rocked, also more steady at gliding in-process.

The utility model discloses further set up to: the moving assembly comprises a U-shaped groove plate, a rotating shaft, wheels, a first guide rod and a first guide wheel; the U-shaped groove plate is annular, the cross section of the U-shaped groove plate is U-shaped, and the opening of the U-shaped groove plate is downward; the sliding door is fixed on the U-shaped groove plate; the rotating shafts are arranged on two opposite side surfaces of the U-shaped groove plate at intervals, the axes of the rotating shafts are arranged in the horizontal direction, and the rotating shafts on the two side surfaces of the U-shaped groove plate are in one-to-one correspondence; the wheels are rotationally arranged on the rotating shaft; the first guide rods are arranged on the inner bottom surface of the notch of the U-shaped groove plate and clamped on two sides of the annular track respectively; the first guide wheel is rotatably arranged on the first guide rod and is abutted against the side face of the annular track.

Through adopting above-mentioned technical scheme, the downside of sliding door slides through the wheel, and the resistance during slip is littleer, and is more smooth, more laborsaving during the slip, and through setting up first leading wheel, can prescribe a limit to the position of removing the subassembly, avoid with annular rail and bottom surface between produce the friction.

The utility model discloses further set up to: a plurality of grooves are formed in the upper side surface of the sliding door at intervals; the guide assemblies are multiple and are respectively positioned in the grooves; the guide assembly comprises a rotating rod, a second guide wheel and an inserting rod; the rotating rod is rotatably arranged in the groove; the two second guide rods are fixed on the rotating rod and are parallel to and perpendicular to the rotating rod; the second guide wheel is rotatably arranged on the second guide rod and is abutted against the side surface of the guide rail; the second guide rod and the second guide wheel can be positioned in the groove by rotating the rotating rod; the opposite side surfaces of the groove are provided with positioning holes, the inserted bar can be inserted into the positioning holes, and the inserted bar can be matched with the side surfaces of the groove to limit the second guide bar in a vertical state.

By adopting the technical scheme, the upper part of the sliding door is limited in position, so that the shaking condition of the sliding door is reduced; through setting up the direction subassembly rotatable, when the installation sliding door, can arrange the direction subassembly in the recess, avoid when the installation direction subassembly to take place to contradict with the guided way, can be more convenient install the sliding door on the track.

The utility model discloses further set up to: the two side surfaces of the fixed cover body are provided with first blocking edges, and the first blocking edges are arranged towards the outer side of the fixed cover body; a second blocking edge is arranged on the side face, far away from the opening of the fixed cover body, of the sliding door, and the second blocking edge is arranged towards the inner side of the sliding door; when the two second blocking edges are respectively attached to the first blocking edges, the two sliding doors can completely close the opening of the fixed cover body.

By adopting the technical scheme, when the sliding door is closed, the first blocking edge and the second blocking edge play a blocking role, and the position of the sliding door is limited; in addition, the sealing performance of the joint of the sliding door and the fixed cover body can be enhanced by arranging the blocking edge.

The utility model discloses further set up to: the surface of the first blocking edge, which is contacted with the second blocking edge, is provided with a sealing gasket, and in addition, the two side surfaces, which are contacted when the sliding door is closed, are also provided with sealing gaskets.

By adopting the technical scheme, the sealing performance of the joint of the sliding door and the fixed cover body and the joint of the two sliding doors is further enhanced.

The utility model discloses further set up to: the cover top is a conical cover top, the inner side surface of the conical cover top is conical and protrudes upwards, and liquid collecting grooves are formed in the bottoms of the inner side surfaces of the fixed cover body and the sliding door.

Through adopting above-mentioned technical scheme, evaporate and support behind the inside vapor condensation one-tenth drop of water of cover, the medial surface on conical cover top is the toper and upwards protruding, and the above-mentioned water can flow on the inside wall of the fixed cover body and sliding door, finally flows into the collecting tank of below, can avoid the water droplet directly to drip to a great extent, avoids the subaerial more water that appears, conveniently places the concrete pipe to can not influence the people process.

The utility model discloses further set up to: the positioning piece is arranged on the sliding door and comprises a positioning ring, a positioning rod and a positioning groove; the locating ring is fixed on the sliding door, the locating rod is inserted into the locating ring, when the sliding door is closed, the locating groove is arranged at the position corresponding to the locating rod on the ground, and the locating rod can be inserted into the locating groove.

By adopting the technical scheme, after the sliding door is closed, the position of the sliding door is limited by the positioning piece, so that the phenomenon that the sliding door is opened due to careless touch, steam is leaked, and steam curing is interrupted is avoided; the locating piece can be limited in the closed state of the sliding door, and the stability and the continuity of the steam curing process are guaranteed.

The utility model discloses further set up to: the middle part of the fixed cover body is provided with a semi-annular transparent plate; the middle part of the sliding door is provided with an arc-shaped transparent plate.

Through adopting above-mentioned technical scheme, see through semiannular transparent plate and arc transparent plate, can follow the condition of evaporating the steam curing that the cover outside direct observation goes on inside, be convenient for observe the record.

To sum up, the utility model discloses following beneficial effect has:

1. an opening is arranged on the steam curing cover, and the opening and closing of the opening are realized through a sliding door; through the opening on the steam curing cover, the concrete pipe can be conveniently pushed into the steam curing cover by using the trolley, then the door is closed to form a sealed environment, the concrete pipe is subjected to steam curing, large-scale equipment such as a crane and the like is not needed, the operation process is simple, time and labor are saved, and the working efficiency can be improved;

2. the sliding track of the sliding door can be limited by arranging the guide assembly, so that the sliding door can reduce shaking during sliding, and the stability is improved; the guide assembly can be rotatably arranged in the groove, when the sliding door is installed, if the guide assembly is in a vertical state, the guide assembly can interfere with the guide rail, and the guide assembly is rotated into the groove, so that sufficient space is reserved, the sliding door can be conveniently installed at a vertical position, and the operation is simple and convenient;

3. through setting up its arch that makes progress of toper cover top medial surface for the toper to set up the collecting tank, can make the water that condenses in the steam curing cover flow into the collecting tank along the inner wall of the fixed cover body and sliding door, reduce the direct drippage of water and form the water hole on the bottom surface, can not influence placing and the current of people of concrete pipe.

Drawings

FIG. 1 is a schematic view of a concrete pipe curing hood;

FIG. 2 is a longitudinal sectional view of a concrete pipe curing hood;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of portion B of FIG. 2;

fig. 5 is a transverse sectional view of the concrete pipe curing hood.

In the figure, 1, a cover body is fixed; 11. a support bar; 12. an upper semi-annular plate; 13. a lower semi-annular plate; 14. a semi-annular transparent plate; 15. a conical cover top; 16. a first blocking edge; 2. a sliding door; 21. a vertical rod; 22. an upper arc plate; 221. a groove; 222. positioning holes; 23. a lower arc-shaped plate; 24. an arc-shaped transparent plate; 25. a second blocking edge; 3. an annular track; 4. a moving assembly; 41. a U-shaped groove plate; 42. a rotating shaft; 43. a wheel; 44. a first guide bar; 45. a first guide wheel; 5. a guide rail; 6. a guide assembly; 61. rotating the rod; 62. a second guide bar; 63. a second guide wheel; 64. inserting a rod; 7. a gasket; 8. a positioning member; 81. a positioning ring; 82. positioning a rod; 83. positioning a groove; 9. a liquid collecting tank.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1, the concrete pipe steam curing cover comprises a fixed cover body 1, a sliding door 2, an annular track 3, a moving assembly 4, a guide rail 5 and a guide assembly 6; the fixed cover body 1 is of a semi-cylindrical structure, is fixed on the ground and comprises a support rod 11, an upper semi-annular plate 12, a lower semi-annular plate 13 and a semi-annular transparent plate 14; the supporting rods 11 are vertically arranged, and the supporting rods 11 are arranged to form a semi-annular structure; the upper semi-annular plate 12 and the lower semi-annular plate 13 are fixed at the upper end and the lower end of the support rods 11, and the upper semi-annular plate 12 and the lower semi-annular plate 13 are positioned at the outer side of the ring formed by the support rods 11; the semi-annular transparent plate 14 is arranged around the outer side of the semi-annular structure formed by the support rods 11, and the upper side and the lower side of the semi-annular transparent plate are respectively fixed on the upper semi-annular plate 12 and the lower semi-annular plate 13; a conical cover top is arranged above the fixed cover body 1, the conical cover top 15 is fixed on the upper end surface of the support rod 11, the inner side surface of the conical cover top 15 is conical and protrudes upwards, and the edge of the conical cover top 15 is a horizontal edge; the annular track 3 is fixed on the ground and positioned on the outer side of the fixed cover body 1, and the axis of the annular track 3 is superposed with the axis of the fixed cover body 1; the sliding door 2 is provided with two sliding doors and is connected with the annular track 3 in a sliding manner, and the two sliding doors 2, the fixed cover body 1, the conical cover top 15 and the ground can form a closed cover; the sliding door 2 comprises a vertical rod 21, an upper arc-shaped plate 22, a lower arc-shaped plate 23 and an arc-shaped transparent plate 24; the vertical rods 21 are provided with a plurality of rods which are arranged to form an arc-shaped structure; the upper arc-shaped plate 22 and the lower arc-shaped plate 23 are respectively fixed at the upper part and the lower part of the vertical rod 21 and are positioned at the inner side of the arc-shaped structure formed by the vertical rod 21; an arc-shaped transparent plate 24 is provided between the upper arc-shaped plate 22 and the lower arc-shaped plate 23.

Referring to fig. 5, first blocking edges 16 are vertically arranged on the side surfaces of the two ends of the fixed cover body 1, and the first blocking edges 16 are arranged towards the outer side of the fixed cover body 1; a second blocking edge 25 is vertically arranged on the side faces, far away from the opening of the fixed cover body 1, of the two sliding doors 2, and the second blocking edge 25 is arranged towards the inner side of the sliding door 2; by moving the sliding doors 2, the second blocking edges 25 on the two sliding doors 2 are respectively attached to the first blocking edges 16, and at this time, the two sliding doors 2 just contact with each other, so that the opening of the fixed cover body 1 is completely closed.

Referring to fig. 2 and 3, the sliding door 2 is arranged on the annular rail 3 through the moving assembly 4, an annular groove is arranged on the ground, the annular rail 3 is arranged in the annular groove, and the upper surface of the annular rail 3 is flush with the ground; the moving assembly 4 comprises a U-shaped groove plate 41, a rotating shaft 42, wheels 43, a first guide rod 44 and a first guide wheel 45; the U-shaped groove plate 41 is of an arc-shaped structure, the cross section of the U-shaped groove plate is U-shaped, the opening direction is downward, and the U-shaped groove plate is clamped at two sides of the annular track 3; a plurality of rotating shafts 42 are horizontally fixed on two opposite side surfaces of the U-shaped groove plate 41, and the rotating shafts 42 on the two side surfaces of the U-shaped groove plate 41 correspond to one another; the wheels 43 are rotatably arranged on the rotating shaft 42, and the wheels 43 can support the U-shaped groove plates 41, so that the upper side surfaces of the annular rails 3 cannot generate friction with the U-shaped groove plates 41; the first guide rods 44 are vertically fixed on the inner bottom surface of the notch of the U-shaped groove plate 41 and distributed on two sides of the annular track 3; the first guide wheel 45 is rotatably arranged on the first guide rod 44, and the first guide wheel 45 is contacted with the side surfaces of two sides of the sliding guide rail 3 to play a limiting role.

Referring to fig. 2 and 4, the guide rail 5 is arranged on the lower side surface of the horizontal edge of the conical cover top 15 and is arranged around the horizontal edge for one circle, and the diameter of the guide rail 5 is the same as that of the sliding guide rail 3; a plurality of grooves 221 are formed in the upper side surface of the upper arc plate 22 at intervals, a plurality of guide assemblies 6 are arranged in each groove 221, and each guide assembly 6 comprises a rotating rod 61, a second guide rod 62, a second guide wheel 63 and an insert 64; the rotating rod 61 is arranged in the groove 221, and two ends of the rotating rod are rotatably connected to two opposite side surfaces of the groove 221; the two second guide rods 62 are fixed on one rotating rod 61, and the two second guide rods 62 are arranged in parallel and are perpendicular to the rotating rod 61; the second guide wheel 63 is rotatably arranged at the end part of the second guide rod 62; the second guide rod 62 and the second guide wheel 63 can be placed in the groove 221 by rotating the rotating rod 61, after the second guide rod 62 and the second guide wheel 63 are rotated out of the groove 221, the second guide wheel 63 is clamped on two sides of the guide rail 5, and at the moment, the second guide rod 63 is in contact with one side surface of the groove 221 to play a limiting role; the opposite side surfaces of the groove 221 are provided with positioning holes 222, the insertion rod 64 can be inserted into the positioning holes 222, and after the insertion rod 64 is inserted into the positioning holes 222, the insertion rod contacts the second guide rod 62 and is matched with the side surfaces of the groove 221 to clamp the second guide rod 62 in the middle to prevent the rotating rod 61 from rotating.

When the steam-curing cover is assembled, firstly, the fixed cover body 1 is fixed on the ground, the annular rail 3 is arranged on the outer side of the fixed cover body 1, the sliding door 2 is installed on the annular rail, the lower side of the sliding door 2 is clamped on the annular rail 3, at the moment, the guide assembly 6 is in a vertical state, the upper side surface of the guide assembly 6 is higher than the lower side surface of the guide rail 5, the guide assembly 6 cannot be clamped on two sides of the guide rail 5, and the sliding door 2 cannot be installed in place; the guide assembly 6 is rotatable, the guide assembly 6 is rotatably arranged in the groove 221, the sliding door 2 can be pushed and kept in a vertical state at the moment, the guide assembly 6 is rotated out of the groove 221, the guide rail 5 can be just clamped in the middle, and the inserting rod 64 is inserted into the positioning hole 222, so that the installation of the sliding door 2 is completed; through setting up the guide assembly 6 rotatable, can be more convenient when installing install sliding door 2 between circular orbit 3 and guided way 5, it is more convenient to operate.

When steam curing is started, the two sliding doors 2 are pushed to slide towards two sides, one half of the steam curing cover is opened to form an opening, concrete pipes are conveyed into the steam curing cover from the opening through the trolley, then the sliding doors 2 are closed, the steam curing cover forms a closed space, and the internal concrete pipes are subjected to steam curing; the steaming condition inside can be conveniently observed from the outside through the semi-annular transparent plate 14 and the arc-shaped transparent plate 24; by arranging the sliding door 2, when the concrete pipe is placed in the steam curing cover, a hoisting device is not needed to hoist the steam curing cover, the concrete pipe can be conveniently and directly pushed into the steam curing cover through the space after the sliding door 2 is opened, the operation process is time-saving and labor-saving, and the efficiency is improved; in addition, the supporting rod 11 is located on the inner side of the fixed cover body 1, the vertical rod 21 is located on the outer side of the sliding door 2, the sliding door 2 and the fixed cover body 1 can be attached to each other, and the steam curing cover sealing performance is guaranteed.

In order to further improve the sealing performance of the steam hood, referring to fig. 5, a gasket 7 is arranged on the surface of the joint of the first blocking edge 16 and the second blocking edge 25, and gaskets 7 are also arranged on the surfaces which are contacted when the two sliding doors 2 are closed and the surfaces of the sliding doors 2 opposite to the guide rails 5; through setting up sealed 7, can promote to evaporate the leakproofness of curing the cover, promote to evaporate the efficiency of curing.

After putting the concrete pipe into the steam curing cover and carrying out the steam curing, the staff need observe the condition of inside, may touch sliding door 2 by accident when transporting the thing from the next door in addition, may move sliding door 2 to both sides for inside steam leaks, makes the steam curing process interrupt. To solve this problem, referring to fig. 5, a positioning member 8 is disposed on the sliding door 2, and the positioning member 8 is disposed on a side surface of the sliding door 2 in the door opening direction and is located at a lower end of the lower arc-shaped plate 23; the positioning member 8 comprises a positioning ring 81, a positioning rod 82 and a positioning groove 83; the positioning ring 81 is fixed to the lower arc plate 23, the positioning rod 82 is inserted into the positioning ring 81, when the sliding door 2 is completely closed, the positioning groove 83 is provided on the ground at a position corresponding to the positioning rod 82, and the positioning rod 82 can be inserted into the positioning groove 83 to limit the position of the sliding door 2.

Through above-mentioned scheme, after closing sliding door 2, inject sliding door 2's position through setting element 8, can guarantee that sliding door can not open under the condition that touches sliding door 2 carelessly, and then cause revealing of inside steam, can promote the stability of the process of curing by steam.

In-process to the concrete pipe evaporates foster, evaporate foster cover inside a large amount of vapor that fills, these vapor can condense on evaporating foster cover's medial surface, then can drip subaerial, longer back in time, can leave more water on the bottom surface, when carrying out the replacement of concrete pipe, the water stain on the ground can be not convenient for placing and shifting of concrete pipe. Referring to fig. 1 and 5, a liquid collecting tank 9 is arranged at the bottom of the inner side surfaces of the fixed cover body 1 and the sliding door 2, and the liquid collecting tank 9 is arranged along the edges of the lower semi-annular plate 13 and the lower arc-shaped plate 23; after the vapor in the steam curing cover condenses, because the inboard face of conical cover top 15 personally submits the toper and upwards protruding, the water on the conical cover top 15 can flow on the lateral wall of the fixed cover body 1 and sliding door 2, finally flows in the collecting tank 9 of lower extreme, can reduce the water drippage subaerial, keeps the cleanness on ground, conveniently places and shifts the concrete pipe.

The embodiment of this embodiment is the utility model discloses preferred embodiment is not according to this restriction the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a concrete pipe evaporates foster cover which characterized in that: comprises a fixed cover body (1), a cover top and a sliding door (2); the fixed cover body (1) is of a semi-cylindrical structure, and the fixed cover body (1) is arranged on the ground; the cover top is arranged at the upper part of the fixed cover body (1); the sliding door (2) is arranged on the outer side of the fixed cover body (1) in a sliding mode, and the sliding door (2) can be combined with the fixed cover body (1), the cover top and the ground through sliding to form a closed cover body.

2. The concrete pipe steam curing cover according to claim 1, further comprising an annular track (3), a moving assembly (4), a guide rail (5) and a guide assembly (6); the annular track (3) is arranged on the ground outside the fixed cover body (1) and is coaxial with the fixed cover body (1); the sliding door (2) is arranged on the moving assembly (4), and the moving assembly (4) is matched with the annular track (3) and can slide along the annular track (3); the edge of the cover top is set as a horizontal edge; the guide rail (5) is arranged on the lower side surface of the horizontal edge of the cover top, and the guide rail (5) is annular and corresponds to the annular track (3); the guide assemblies (6) are arranged on the upper portion of the sliding door (2) in a plurality, and the guide assemblies (6) are matched with the guide rails (5) to enable the sliding door (2) to move along the guide rails (5).

3. The concrete pipe steam curing cover according to claim 2, wherein: the moving assembly (4) comprises a U-shaped groove plate (41), a rotating shaft (42), wheels (43), a first guide rod (44) and a first guide wheel (45); the U-shaped groove plate (41) is annular, the cross section of the U-shaped groove plate is U-shaped, and the opening of the U-shaped groove plate is downward; the sliding door (2) is fixed on the U-shaped groove plate (41); the rotating shafts (42) are arranged on two opposite side surfaces of the U-shaped groove plate (41) at intervals, the axis of each rotating shaft (42) is arranged in the horizontal direction, and the rotating shafts (42) on the two side surfaces of the U-shaped groove plate (41) are in one-to-one correspondence; the wheels (43) are rotatably arranged on the rotating shaft (42); a plurality of first guide rods (44) are arranged on the inner bottom surface of the notch of the U-shaped groove plate and are respectively clamped at two sides of the annular track (3); the first guide wheel (45) is rotatably arranged on the first guide rod (44) and is abutted against the side surface of the annular track (3).

4. The concrete pipe steam curing cover according to claim 2, wherein: a plurality of grooves (221) are arranged on the upper side surface of the sliding door (2) at intervals; the guide assemblies (6) are multiple and are respectively positioned in the grooves (221); the guide assembly (6) comprises a rotating rod (61), a second guide rod (62), a second guide wheel (63) and an inserting rod (64); the rotating rod (61) is rotatably arranged in the groove (221); two second guide rods (62) are fixed on the rotating rod (61), and the two second guide rods (62) are parallel and vertical to the rotating rod (61); the second guide wheel (63) is rotatably arranged on the second guide rod (62) and is abutted against the side surface of the guide rail (5); the second guide rod (62) and the second guide wheel (63) can be positioned in the groove (221) by rotating the rotating rod (61); positioning holes (222) are formed in opposite side faces of the groove (221), the insertion rod (64) can be inserted into the positioning holes (222), and the insertion rod (64) can be matched with the side faces of the groove (221) to limit the second guide rod (62) in a vertical state.

5. The concrete pipe steam curing cover according to claim 1, characterized in that: two side surfaces of the fixed cover body (1) are provided with first blocking edges (16), and the first blocking edges (16) face the outer side of the fixed cover body (1); a second blocking edge (25) is arranged on the side surface, away from the opening of the fixed cover body (1), of the sliding door (2), and the second blocking edge (25) faces towards the inner side of the sliding door (2); when the two second blocking edges (25) are respectively jointed with the first blocking edge (16), the two sliding doors (2) can completely close the opening of the fixed cover body (1).

6. The concrete pipe steam curing cover according to claim 5, wherein: and a sealing gasket (7) is arranged on the surface of the first blocking edge (16) contacted with the second blocking edge (25), and in addition, the sealing gasket (7) is also arranged on the two side surfaces contacted when the sliding door (2) is closed.

7. The concrete pipe steam curing cover according to claim 1, characterized in that: the cover top is the toper cover top (15), and the inboard face of toper cover top (15) personally submits the toper and upwards protruding, the bottom of the inboard surface of the fixed cover body (1) and sliding door (2) is provided with collecting tank (9).

8. The concrete pipe steam curing cover according to claim 1, characterized in that: the positioning device is characterized by further comprising a positioning piece (8), wherein the positioning piece (8) is arranged on the sliding door (2), and the positioning piece (8) comprises a positioning ring (81), a positioning rod (82) and a positioning groove (83); the locating ring (81) is fixed on the sliding door (2), the locating rod (82) is inserted into the locating ring (81), when the sliding door (2) is closed, a locating groove (83) is arranged at the position corresponding to the locating rod (82) on the ground, and the locating rod (82) can be inserted into the locating groove (83).

9. The concrete pipe steam curing cover according to claim 1, characterized in that: the middle part of the fixed cover body (1) is provided with a semi-annular transparent plate (14); the middle part of the sliding door (2) is provided with an arc-shaped transparent plate (24).