CN218581267U - Large-scale modularization station protector - Google Patents

Abstract

The utility model relates to a large modular station protection device, belonging to the technical field of outdoor station protection; the floor comprises a top layer, an upper second layer, a lower second layer and a bottom layer from top to bottom, any two adjacent layers are connected through a quick box closing mechanism, the bottom layer is connected with the ground through fixing support legs, each layer comprises a left half part and a right half part which are symmetrical, the left half part and the right half part are spliced with each other through the quick box closing mechanism to form a cubic structure, and the upper end and the lower end of the cubic structure are kept open; the left half part is of a U-shaped structure and comprises a middle part and two side parts, the middle part and the side parts are of vertically arranged square frame structures and comprise horizontally arranged top beams and bottom beams, and vertical beams are uniformly arranged between the top beams and the bottom beams at intervals; a left roof and a right roof are respectively and fixedly arranged above the left half part and the right half part of the top layer; the problem of present protector can't satisfy the outdoor test and need build temporarily is solved.

Description

Large-scale modularization station protector

Technical Field

The utility model belongs to the technical field of outdoor station protection, concretely relates to large-scale modularization station protector.

Background

When carrying out special development task, need test in the field, just so need set up interim protector that is used for the station outside the field, protect to inside experiment, just so need have some special requirements to protector: (1) windproof function: during the test preparation period, the protective device can reliably protect the tested object under the working condition of ground 8-level wind (20.7 m/s wind speed); (2) a rainproof function: during the test preparation period, the protection device can reliably protect the tested article under the rainfall weather condition, so that the tested article is prevented from being adversely affected by rainwater; (3) quick assembly requirements: after the tested object is assembled in the field, the protective device can be assembled in place as soon as possible; (4) quick removal requirement: when the test article is tested, part or all of the top of the guard should be removed as quickly as necessary. The existing protection device can not meet the requirements at the same time, so that a protection device special for outdoor tests needs to be developed, and the functions required above are achieved at the same time.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of the prior art and provides a large-scale modular station protection device; the problem of present protector can't satisfy the outdoor test and need build temporarily is solved.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

A large-scale modularization station protector comprises a top layer, an upper second layer, a lower second layer and a bottom layer which are sequentially connected from top to bottom, wherein any two adjacent layers are connected through a quick box-closing mechanism, the bottom layer is connected with the ground through a fixed supporting leg, each layer comprises a left half part and a right half part which are symmetrical, the left half part and the right half part are spliced with each other through the quick box-closing mechanism to form a cubic structure, and the upper end and the lower end of the cubic structure are kept open; the left half part and the right half part of the cubic structure are both U-shaped structures and comprise a middle part and two side parts, the middle part and the side parts are both vertically arranged square frame structures and comprise top beams and bottom beams which are horizontally arranged, and vertical beams are uniformly arranged between the top beams and the bottom beams at intervals; a left roof and a right roof are respectively and fixedly arranged above the left half part and the right half part of the top layer.

Furthermore, the upper end and the lower end of the inner vertical beam are directly fixedly connected with the top beam and the bottom beam in the middle part and the side part, and the upper end and the lower end of the two outermost vertical beams are respectively fixedly connected with the two ends of the top beam and the two ends of the bottom beam through an angle connecting piece.

Furthermore, the angle connecting piece includes three square plates, and three square plates mutually perpendicular in proper order and mutual welding, when erecting the roof beam and being connected with floorbar or back timber, pass through bolt looks fixed connection between a square plate lateral surface of angle connecting piece and the terminal surface of floorbar or back timber, pass through bolt looks fixed connection between the second square plate lateral surface of angle connecting piece and the lower terminal surface or the up end of erecting the roof beam.

Furthermore, the joint of the middle part and the side part shares a vertical beam, one square plate outer side surface of the angle connecting piece is fixedly connected with the upper end surface or the lower end surface of the vertical beam through a bolt, the second square plate outer side surface of the angle connecting piece is fixedly connected with the top beam or the bottom beam end surface of the side part through a bolt, and the third square plate outer side surface of the angle connecting piece is fixedly connected with the top beam or the bottom beam end surface of the middle part through a bolt.

Furthermore, two side parts of the left half part and two side part butt joints of the right half part are respectively provided with two quick box closing structures, each quick box closing mechanism comprises a fixing seat, a connecting seat, a pin shaft, a screw and a nut, the fixing seats are fixedly arranged on the outer side surface of the vertical beam of the left half part far away from the middle part, the connecting seats are fixedly arranged on the outer side surface of the vertical beam of the right half part far away from the middle part, and the fixing seats and the connecting seats are correspondingly arranged.

Furthermore, a screw rod is rotatably connected to the fixed shaft through a pin shaft, the screw rod rotates towards one side of the connecting seat, a U-shaped groove is formed in the connecting seat, and the screw rod can rotate; rotating to enter the inside of the U-shaped groove of the connecting seat; the end part of the screw rod is in threaded connection with a nut, when the screw rod rotates to enter the interior of the U-shaped groove of the connecting seat, the screw rod can be locked by screwing the nut, the connecting seat is fixedly connected with the fixing seat, and the left half part and the right half part are fixedly connected together; when the nut is unscrewed, the screw rod can be separated from the connecting seat, the fixed connection state of the connecting seat and the fixed seat is released, and the left half part and the right half part are separated.

Furthermore, a circle of quick box closing mechanism is arranged at the joint of any two layers, a fixing seat of the quick box closing mechanism is arranged on the top beam of the lower layer, a connecting seat is arranged on the bottom beam of the upper layer, and the upper layer and the lower layer are fixedly connected or separated through screwing or unscrewing a screw rod through a nut.

Further, be provided with the deflector in the inside and outside both sides of the round back timber on bottom, two lower layers, two upper strata, two guide plates are a set of, and the symmetry sets up in the inside and outside both sides of back timber up end respectively, the deflector includes a vertical section and an incline section, and vertical section passes through the bolt fastening and sets up in medial surface or the lateral surface of back timber, and the incline section is located the upper portion of vertical section and inclines towards the direction of keeping away from the back timber, and the horn mouth is constituteed together to inside and outside two guide plates.

Furthermore, the left half part and the right half part of the top layer are also provided with connecting cross beams and connecting longitudinal beams on the basis of the existing middle part and side part, the top beams of the two side parts are fixedly provided with one connecting longitudinal beam between the ends far away from the middle part, a plurality of connecting cross beams are fixedly arranged between the connecting longitudinal beams and the top beams of the middle part, and the connecting cross beams are equal in number and correspond to the vertical beams on the inner side of the middle part one by one.

Furthermore, the left roof comprises a roof body, outer side supporting plates on two sides and inner side supporting plates, the lower edge of the roof body is fixedly connected with the upper end surface of the top beam of the middle part of the left half part of the top layer, the upper edge is positioned above the connecting longitudinal beam, the edges of the left side and the right side of the roof body are respectively positioned above the top beams of the two side parts, the edges of the left side and the right side of the roof body are respectively and fixedly connected with the top beams of the two side parts through the two outer side supporting plates, and the upper end of each connecting cross beam is respectively and fixedly connected with the inner side surface of the roof body through one inner side supporting plate; when the left half part and the right half part of the top layer are locked, the upper edges of the left roof and the right roof are butted, and a row of rainproof ridge tiles are arranged at the butted upper edges.

The utility model discloses produced beneficial effect for prior art does:

(1) The utility model provides a station protector adopts the modularized design, divide into the four layers, totally eight modules, adopts the deflector to fix a position between each module to adopt quick mould assembling mechanism to connect fixedly, can assemble fast as required and remove, provide effective guarantee to experimental task.

(2) The utility model provides a station protector, top are provided with the roof, and top layer, last two layers, two layers are provided with shutter and glass window down, can satisfy the demand that keeps off the rain and prevent wind.

(3) The utility model provides a station protector, all back timber, floorbar, perpendicular roof beam, stiffener etc. all adopt the square steel pipe of the same specification, adopt corner fittings, bolted connection's mode to assemble between the square steel pipe, not only convenient transportation, and practiced thrift cost and production cycle.

(4) The design of the station protection device provides a new idea for the modularization and generalization design of large-scale structural members in the future, and has great application prospect. By expanding the additional functions, the protection requirements of different tasks can be met, and the method can be applied to structural design reference of a protection device when other tasks have protection requirements.

Drawings

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

fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is a schematic view of the present invention with the left half of the top layer and the left roof removed;

FIG. 3 is a schematic view of the structure with the top layer and roof removed;

FIG. 4 is a schematic view of the top layer and roof construction;

FIG. 5 is a schematic structural view of the top internal frame;

FIG. 6 is a schematic view of the right half of the top layer and the structure of the right roof;

FIG. 7 is a schematic structural diagram of the upper two layers;

FIG. 8 is a schematic view of the structure of the lower two layers;

FIG. 9 is a schematic structural view of the bottom layer;

FIG. 10 is a schematic view of the structure of the left half;

FIG. 11 is a partial schematic view of the junction of the lower two layers with the bottom layer;

FIG. 12 is a partial schematic view of the upper two levels at the junction with the lower two levels;

FIG. 13 is a partial schematic view of the medial and lateral side portions of the left half of the chassis layer at the lower corner connections;

FIG. 14 is a schematic structural view of a quick box closing mechanism;

FIG. 15 is a schematic view of the construction of the guide plate;

FIG. 16 is a schematic view of the construction of a corner connector;

FIG. 17 is a partial schematic view of the medial and lateral side portions of the left half of the chassis at the corner connection of the upper portion;

wherein, 1 is a top layer, 2 is an upper two layer, 3 is a lower two layer, 4 is a bottom layer, 5 is a left half, 6 is a right half, 7 is a middle part, 8 is a side part, 9 is a top beam, 10 is a bottom beam, 11 is a vertical beam, 12 is an angle connector, 13 is a square plate, 14 is a support rod, 15 is a reinforcing rod, 16 is a quick box closing mechanism, 17 is a fixed seat, 18 is a connecting seat, 19 is a screw rod, 20 is a pin shaft, 21 is a nut, 22 is a fixed support leg, 23 is a guide plate, 24 is a vertical section, 25 is an inclined section, 26 is a rib plate, 27 is a hanging shaft, 28 is a connecting longitudinal beam, 29 is a connecting cross beam, 30 is a roof, 31 is a left roof, 32 is a right roof, 33 is a roof body, 34 is an outer side support plate, 35 is an inner side support plate, 36 is a louver, and 37 is a glass window.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.

As shown in fig. 1-17, the utility model provides a large-scale modularization station protector, include from last top layer 1, two upper strata 2, two lower layers 3, the bottom 4 that connects gradually extremely down, be connected through mechanism 16 that closes the case fast between arbitrary adjacent two-layer, be connected through fixed stabilizer blade 22 between bottom 4 and the ground.

The main structure of top layer 1, upper second floor 2, lower second floor 3, bottom 4 is the same, all includes half 5 and half 6 on the right side of left side of mutual symmetry, and half 5 on the left side constitutes a vertical setting after splicing with half 6 on the right side, cube structure, and the upper and lower both ends of cube structure keep opening.

The left half part 5 and the right half part 6 of the cubic structure are both of a U-shaped structure and comprise a middle part 7 and two side parts 8, the two side parts 8 are symmetrically arranged on two sides of the middle part 7 respectively, and the two side parts 8 are perpendicular to the middle part 7.

Middle part 7 and side part 8 are the square frame structure of vertical setting, top beam 9 and floorbar 10 including the level setting, top beam 9 corresponds the setting from top to bottom with floorbar 10, and even interval arrangement is provided with perpendicular roof beam 11 between top beam 9 and floorbar 10, and wherein both ends are direct to be welded with top beam 9 and floorbar 10 about the perpendicular roof beam 11 of inboard, and two perpendicular roof beam 11 upper and lower both ends in the outside are respectively through an angle connecting piece 12 and the both ends looks fixed connection of top beam 9 and floorbar 10. The corner connecting piece 12 comprises three square plates 13, the three square plates 13 are sequentially perpendicular to each other and welded to each other, two edges of each square plate 13 are welded to the other two square plates 13 respectively, and a supporting rod 14 is welded between any two square plates 13. When the vertical beam 11 is connected with the bottom beam 10 or the top beam 9, the outer side surface of one square plate 13 of the angle connecting piece 12 is fixedly connected with the end surface of the bottom beam 10 or the top beam 9 through a bolt, and the outer side surface of the second square plate 13 of the angle connecting piece 12 is fixedly connected with the lower end surface or the upper end surface of the vertical beam 11 through a bolt.

The joint of the middle part 7 and the side part 8 shares a vertical beam 11, the outer side surface of one square plate 13 of the corner connecting piece 12 is fixedly connected with the upper end surface of the vertical beam 11 through a bolt, the outer side surface of the second square plate 13 of the corner connecting piece 12 is fixedly connected with the end surface of the top beam 9 of the side part 8 through a bolt, and the outer side surface of the third square plate 13 of the corner connecting piece 12 is fixedly connected with the end surface of the top beam 9 of the middle part 7 through a bolt. Similarly, the outer side surface of one square plate 13 of the corner connecting piece 12 is fixedly connected with the lower end surface of the vertical beam 11 through a bolt, the outer side surface of the second square plate 13 of the corner connecting piece 12 is fixedly connected with the end surface of the bottom beam 10 of the side part 8 through a bolt, and the outer side surface of the third square plate 13 of the corner connecting piece 12 is fixedly connected with the end surface of the bottom beam 10 of the middle part 7 through a bolt.

The middle section 7 is connected to the two top beams 9 of the side sections 8 by a reinforcing bar 15. The middle part 7 is connected with the two bottom beams 10 of the side part 8 through a reinforcing rod 15. The vertical beams 11 at the joints of the side parts 8 and the middle part 7 are connected with the bottom beams 10 at both sides through a reinforcing rod 15.

The two side portions 8 of the left half 5 and the two side portions 8 of the right half 6 abut to form a complete cubic structure. Two rapid box closing structures are respectively arranged at the butt joint parts of the two side parts 8 of the left half part 5 and the two side parts 8 of the right half part 6, and when the rapid box closing mechanisms 16 are locked, the left half part 5 and the right half part 6 are fixedly connected together; when the quick box closing mechanism 16 is unlocked, the left half part 5 is separated from the right half part 6.

The quick box closing mechanism 16 comprises a fixed seat 17, a connecting seat 18, a pin shaft 20, a screw rod 19 and a nut 21. Wherein the fixing seat 17 is fixedly arranged on the outer side surface of the vertical beam 11 of the side part 8 of the left half part 5 far away from the middle part 7, the connecting seat 18 is fixedly arranged on the outer side surface of the vertical beam 11 of the side part 8 of the right half part 6 far away from the middle part 7, and the fixing seat 17 and the connecting seat 18 are correspondingly arranged. A screw rod 19 is rotatably connected to the fixed shaft through a pin shaft 20, and the screw rod 19 rotates toward the connecting seat 18. A U-shaped groove is provided in the connecting section 18 and the screw 19 can be rotated into the U-shaped groove of the connecting section 18. A nut 21 is screwed at the end part of the screw rod 19, when the screw rod 19 rotates to enter the U-shaped groove of the connecting seat 18, the screw rod 19 can be locked by screwing the nut 21, the connecting seat 18 is fixedly connected with the fixed seat 17, and the left half part 5 and the right half part 6 are fixedly connected together; when the nut 21 is unscrewed, the screw 19 can be disengaged from the connecting seat 18, the fixed state of the connecting seat 18 and the fixed seat 17 is released, and the left half part 5 is disengaged from the right half part 6.

A plurality of fixed support legs 22 are fixedly arranged on the lower end face of the circle of bottom beams 10 of the bottom layer 4, and the fixed support legs 22 are fixedly connected with the ground through foundation bolts.

The guide plates 23 are arranged on the inner side and the outer side of the circle of top beams 9 of the bottom layer 4, the lower second layer 3 and the upper second layer 2, the two guide plates 23 are in a group and are respectively symmetrically arranged on the inner side and the outer side of the upper end surface of the top beam 9, and six groups are arranged on the single side of each layer. The deflector 23 includes a vertical section 24 and an inclined section 25, and vertical section 24 passes through bolt fastening and sets up in the medial surface or the lateral surface of back timber 9, and inclined section 25 is located the upper portion of vertical section 24 and inclines towards the direction of keeping away from back timber 9, and two inside and outside deflectors 23 constitute the horn mouth together, and the contained angle of horn mouth is 60, plays the guide effect. A vertical rib plate 26 is fixedly arranged on the outer side surface of the guide plate 23 far away from the top beam 9, and the rib plate 26 is perpendicular to the guide plate 23 and is used for reinforcing the strength of the guide plate 23.

A circle of quick box closing mechanisms 16 are arranged at the joint of any two layers, and seven groups are arranged on each single side. The fixing seat 17 of the quick box closing mechanism 16 is arranged on the top beam 9 of the next layer, the connecting seat 18 is arranged on the bottom beam 10 of the previous layer, and the upper layer and the lower layer are fixedly connected or separated by screwing or unscrewing the screw rod 19 through the nut 21.

A row of lifting shafts 27 are arranged on the outer side surface of each top beam 9, wherein four lifting shafts 27 are arranged on the outer side surface of the top beam 9 of the middle part 7, and two lifting shafts 27 are arranged on the outer side surface of the top beam 9 of the side part 8. Each floor is hoisted by connecting a dedicated hoist to the hoisting shaft 27.

The left half 5 and the right half 6 of the top layer 1 are further provided with connecting cross beams 29 and connecting longitudinal beams 28 on the basis of the existing middle part 7 and side parts 8. In the left half 5, a connecting longitudinal beam 28 is fixedly arranged between the ends of the top beams 9 of the two side edge sections 8 remote from the middle section 7, and the connecting longitudinal beam 28 is connected with the top beams 9 on both sides through a reinforcing rod 15. In the left half part 5, two side edge parts 8 are far away from a corner connecting piece 12 at the upper end of a vertical beam 11 at one end of a middle part 7, and the outer side surfaces of a third square plate 13 of the corner connecting piece are fixedly connected with the end surfaces at two ends of a connecting longitudinal beam 28 through bolts. In the left half 5, a plurality of connecting cross beams 29 are fixedly arranged between the connecting longitudinal beams 28 and the top beams 9 of the middle part 7, the number of the connecting cross beams 29 is equal to that of the vertical beams 11 on the inner side of the middle part 7, the connecting cross beams 29 correspond to the vertical beams 11 on the inner side of the middle part 7 one by one, and the connecting cross beams 29 are connected with the corresponding vertical beams 11 through reinforcing rods 15.

The roof 30 is arranged at the upper end of the top layer 1, and the roof 30 is divided into a left roof 31 and a right roof 32 which are bilaterally symmetrical and are respectively and fixedly arranged above the left half part 5 and the right half part 6 of the top layer 1. The left roof 31 includes a roof body 33, outer side supporting plates 34 on both sides, and inner side supporting plates 35 on the inside. The lower edge of the roof body 33 is fixedly connected with the upper end surface of the top beam 9 of the middle part 7 of the left half 5 of the top layer 1, and the upper edge is positioned above the connecting longitudinal beam 28. The left and right edges of the roof body 33 are respectively located above the top beams 9 of the two side sections 8, and the left and right edges of the roof body 33 are respectively fixedly connected with the top beams 9 of the two side sections 8 through two outer supporting plates 34. The upper end of each connecting beam 29 is fixedly connected to the inner side of the roof body 33 via an inner support plate 35.

When the left half 5 and the right half 6 of the top layer 1 are locked, the left roof 31 is butted with the upper edge of the right roof 32, a row of rain-proof ridge tiles are arranged at the butted upper edge and fixed at the upper edge of the right roof 32, and after the left roof 31 and the right roof 32 are completely butted, the rain-proof ridge tiles cover the connecting part of the two side roofs 30 and prevent rainwater from entering the interior of the roof 30.

Specifically, the roof body 33 is assembled from corrugated board, and the inclination is 1.5 °.

A louver 36 is provided between any two adjacent vertical beams 11 inside the top floor 1 and the lower second floor 3.

Inside the upper second floor 2, a louver 36 is arranged between the vertical beam 11 at the joint of the middle part 7 and the side part 8 and the vertical beams 11 at the two sides, and a glass window 37 is arranged between the other vertical beams 11.

Inside the bottom layer 4, any two adjacent vertical beams 11 are left open.

The utility model discloses a theory of operation does:

when the whole assembly is carried out, the left half part 5 and the right half part 6 of the bottom layer 4 are firstly fastened with the ground through the anchor bolts by the fixed support legs 22 on the bottom beam 10, and then the left half part 5 and the right half part 6 are locked and connected through the quick box closing mechanism 16.

Then, the left half part 5 and the right half part 6 of the lower layer 3 are respectively hoisted to the upper sides of the left half part 5 and the right half part 6 of the bottom layer 4 through hoisting equipment, the left half part 5 and the right half part 6 of the lower layer 3 can be ensured to smoothly enter the designated positions through the guide plate 23 of the bottom layer 4, then the left half part 5 and the right half part 6 of the lower layer 3 are locked and connected through the quick box closing mechanism 16, and meanwhile, the bottom layer 4 and the lower layer 3 are locked and connected through the quick box closing mechanism 16.

And then hoisting, fixing and locking the upper two-layer 2 and the top layer 1 in sequence according to the process. Thereby completing the overall installation of the guard.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a large-scale modularization station protector which characterized in that: the rapid box closing device comprises a top layer (1), an upper second layer (2), a lower second layer (3) and a bottom layer (4) which are sequentially connected from top to bottom, wherein any two adjacent layers are connected through a rapid box closing mechanism (16), the bottom layer (4) is connected with the ground through a fixing support leg (22), each layer comprises a left half part (5) and a right half part (6) which are symmetrical, the left half part (5) and the right half part (6) are spliced with each other through the rapid box closing mechanism (16) to form a cubic structure, and the upper end and the lower end of the cubic structure are kept open; the left half part (5) and the right half part (6) of the cubic structure are both of U-shaped structures and comprise a middle part (7) and two side parts (8), the middle part (7) and the side parts (8) are both of vertically arranged square frame structures and comprise horizontally arranged top beams (9) and bottom beams (10), and vertical beams (11) are uniformly arranged between the top beams (9) and the bottom beams (10) at intervals; a left roof (31) and a right roof (32) are respectively and fixedly arranged above the left half part (5) and the right half part (6) of the top layer (1).

2. A large modular station guard according to claim 1, characterised in that: inside the middle part (7) and the side part (8), the upper end and the lower end of the inner vertical beam (11) are directly and fixedly connected with the top beam (9) and the bottom beam (10), and the upper end and the lower end of the two outermost vertical beams (11) are respectively and fixedly connected with the two ends of the top beam (9) and the bottom beam (10) through an angle connecting piece (12).

3. A large modular station guard according to claim 2, characterised in that: the angle connecting piece (12) comprises three square plates (13), the three square plates (13) are sequentially perpendicular to each other and welded to each other, when the vertical beam (11) is connected with the bottom beam (10) or the top beam (9), one outer side surface of one square plate (13) of the angle connecting piece (12) is fixedly connected with the end surface of the bottom beam (10) or the top beam (9) through bolts, and the other outer side surface of the second square plate (13) of the angle connecting piece (12) is fixedly connected with the lower end surface or the upper end surface of the vertical beam (11) through bolts.

4. A large modular station guard according to claim 3, characterised in that: the joint of the middle part (7) and the side part (8) shares a vertical beam (11), the outer side surface of one square plate (13) of the corner connecting piece (12) is fixedly connected with the upper end surface or the lower end surface of the vertical beam (11) through a bolt, the outer side surface of the second square plate (13) of the corner connecting piece (12) is fixedly connected with the end surface of the top beam (9) or the bottom beam (10) of the side part (8) through a bolt, and the outer side surface of the third square plate (13) of the corner connecting piece (12) is fixedly connected with the end surface of the top beam (9) or the bottom beam (10) of the middle part (7) through a bolt.

5. A large modular station guard according to claim 1, characterised in that: two side parts (8) of half (5) on the left side do not are provided with two quick mould assembling structures with two side parts (8) butt joint punishment of half (6) on the right side, quick mould assembling mechanism (16) are including fixing base (17), connecting seat (18), round pin axle (20), screw rod (19), nut (21), and fixing base (17) are fixed to be set up on perpendicular roof beam (11) lateral surface of middle part (7) is kept away from in side part (8) of half (5) on the left side, and connecting seat (18) are fixed to be set up on perpendicular roof beam (11) lateral surface of middle part (7) is kept away from in side part (8) of half (6) on the right side, and fixing base (17) and connecting seat (18) correspond the setting.

6. A large modular station guard according to claim 5, characterised in that: a screw rod (19) is rotationally connected to the fixed shaft through a pin shaft (20), the screw rod (19) rotates towards one side of the connecting seat (18), a U-shaped groove is formed in the connecting seat (18), and the screw rod (19) can rotate; rotating into the U-shaped groove of the connecting seat (18); a nut (21) is screwed at the end part of the screw rod (19), when the screw rod (19) rotates to enter the U-shaped groove of the connecting seat (18), the screw rod (19) can be locked by screwing the nut (21), the connecting seat (18) and the fixed seat (17) are fixedly connected, and the left half part (5) and the right half part (6) are fixedly connected together; when the nut (21) is unscrewed, the screw rod (19) can be separated from the connecting seat (18), the fixed connection state of the connecting seat (18) and the fixed seat (17) is released, and the left half part (5) and the right half part (6) are separated.

7. A large modular station guard according to claim 6, characterised in that: a circle of quick box closing mechanism (16) is arranged at the joint of any two layers, a fixing seat (17) of the quick box closing mechanism (16) is arranged on the top beam (9) of the next layer, a connecting seat (18) is arranged on the bottom beam (10) of the previous layer, and the upper layer and the lower layer are fixedly connected or separated through screwing or unscrewing a screw rod (19) through a nut (21).

8. A large modular station guard according to claim 1, characterised in that: at bottom (4), two layers (3) down, the inside and outside both sides of round back timber (9) of two layers (2) are provided with deflector (23), and two deflector (23) are a set of, and the symmetry sets up in the inside and outside both sides of back timber (9) up end respectively, deflector (23) include a vertical section (24) and an incline section (25), and vertical section (24) set up in medial surface or the lateral surface of back timber (9) through bolt fastening, and incline section (25) are located the upper portion of vertical section (24) and incline towards the direction of keeping away from back timber (9), and horn mouth is constituteed together to inside and outside two deflector (23).

9. A large modular station guard according to claim 1, characterised in that: the left half part (5) and the right half part (6) of the top layer (1) are further provided with a connecting cross beam (29) and a connecting longitudinal beam (28) on the basis of the existing middle part (7) and side part (8), the top beams (9) of the two side parts (8) are fixedly provided with one connecting longitudinal beam (28) between the ends far away from the middle part (7), a plurality of connecting cross beams (29) are fixedly arranged between the connecting longitudinal beam (28) and the top beam (9) of the middle part (7), and the connecting cross beams (29) and the vertical beams (11) on the inner side of the middle part (7) are equal in number and correspond to each other.

10. A large modular station guard according to claim 9, characterised in that: the left roof (31) comprises a roof body (33), outer side supporting plates (34) on two sides and inner side supporting plates (35) inside, the lower edge of the roof body (33) is fixedly connected with the upper end surface of a top beam (9) of the middle part (7) of the left half part (5) of the top layer (1), the upper edge is positioned above a connecting longitudinal beam (28), the edges of the left side and the right side of the roof body (33) are respectively positioned above the top beams (9) of two side parts (8), the edges of the left side and the right side of the roof body (33) are fixedly connected with the top beams (9) of the two side parts (8) through the two outer side supporting plates (34), and the upper end of each connecting cross beam (29) is fixedly connected with the inner side surface of the roof body (33) through one inner side supporting plate (35); when the left half (5) and the right half (6) of the top layer (1) are locked, the left roof (31) is butted with the upper edge of the right roof (32), and a row of rain-proof ridge tiles are arranged at the butted upper edges.

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