CN221053214U - Purlin conveying equipment that grid structure construction was used - Google Patents

Abstract

The utility model discloses purline conveying equipment for construction of a grid structure, which comprises a base, a conveying mechanism, a pushing and mounting assembly and a purline fixing assembly, wherein the conveying mechanism is fixedly mounted on the base, the pushing and mounting assembly is of a hollow structure and is mounted in the conveying mechanism, and the purline fixing assembly is fixedly connected in the hollow structure of the pushing and mounting assembly; the purlin fixed subassembly includes fixture, first actuating mechanism and second actuating mechanism, fixture is located first actuating mechanism's upside and with first actuating mechanism fixed connection, second actuating mechanism is located first actuating mechanism's downside, second actuating mechanism upwards passes behind the first actuating mechanism with fixture fixed connection. The utility model solves the problem that purlines fall frequently in the conveying process by arranging the purline fixing component, and simultaneously, the conveying mechanism and the pushing and installing component are arranged to transmit the purlines through power, thereby reducing the labor intensity of staff.

Description

Purlin conveying equipment that grid structure construction was used

Technical Field

The utility model relates to the technical field of purline conveying, in particular to purline conveying equipment for grid structure construction.

Background

Purlines are horizontal members distributed along the length of the roof and are located on the primary rafters to support the secondary rafters. In the building construction process, under the condition that a tower crane and other corresponding large-scale hoisting equipment are not met, a corresponding purline conveying device is required to lift the roof steel structure purline to a specified height from the ground, so that roof construction is carried out. At present, when purline conveying equipment for construction is used, the purline conveying equipment has some defects and shortcomings, and the concrete parts needing improvement are as follows: the prior purline conveying equipment for construction mostly lacks the fixing effect on purlines in the process of conveying the purlines, and then the purlines are easy to fall off in the actual conveying process, so that accidents are caused.

The movable clamping blocks are adopted by the CN202296193U to clamp the steel bar truss, and because the movable clamping blocks are composed of two rectangular structures and clamp the steel bar truss downwards, even if a plurality of grooves for conveniently clamping the steel bar truss to prevent the steel bar truss from sliding off are formed in one end face of the steel bar truss, the risk of steel bar sliding off cannot be avoided by the downward clamping mode, and therefore the device for effectively fixing the steel bar truss is designed to be a problem to be solved urgently.

Disclosure of utility model

The purline conveying equipment for the grid structure construction aims to overcome the defects in the prior art, and the problem that purlines fall easily in the conveying process is effectively solved by arranging the conveying mechanism, the pushing and mounting assembly and the purline fixing assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the purline conveying equipment for the construction of the grid structure comprises a base, a conveying mechanism, a pushing and mounting assembly and a purline fixing assembly, wherein the conveying mechanism is fixedly mounted at the top of the base, the pushing and mounting assembly is of a hollow structure and is mounted in the conveying mechanism, and the purline fixing assembly is fixedly connected in the hollow structure of the pushing and mounting assembly;

The purlin fixing assembly comprises a clamping mechanism, a first driving mechanism and a second driving mechanism, wherein the clamping mechanism is positioned on the upper side of the first driving mechanism and is fixedly connected with the first driving mechanism, the second driving mechanism is positioned on the lower side of the first driving mechanism, and the second driving mechanism passes through the first driving mechanism upwards and is fixedly connected with the clamping mechanism;

The first actuating mechanism includes bottom fixed plate, articulated rod, sliding plate and spill bracing piece, the fixed articulated seat that is provided with in middle part at both ends about the bottom fixed plate, the four corners position department of bottom fixed plate all is provided with first through-hole, the quantity of sliding plate is two, two the sliding plate sets up in opposite directions and fixed connection in fixture's lower part, every the side of sliding plate all is provided with two second through-holes that can supply the spill bracing piece to pass, the quantity of spill bracing piece is two, every equal sliding connection has two second through-holes on the spill bracing piece, two all overlap on the spill bracing piece between the second through-hole and be equipped with the second spring, both ends are propped up respectively on two sliding plates about the second spring, the quantity of articulated rod is two, every the both ends of articulated rod are articulated mutually with sliding plate and articulated seat respectively.

Preferably, the fixture includes that the purlin is placed board, riser and purlin splint, the purlin is placed the board and is provided with two removal logical grooves that the size is the same relatively for cuboid structure and its left and right sides, both ends all with the vertical end tip fixed connection of spill bracing piece about the purlin is placed the board downside, every remove and pass the inslot all have the riser to pass, the riser upwards pass remove and pass behind the groove with purlin splint fixed connection, the riser is located the purlin and is placed the tip and the sliding plate fixed connection of board downside.

Preferably, the second actuating mechanism includes connecting plate and connecting rod, the connecting plate is located the downside of bottom fixed plate, the equal fixedly connected with connecting rod in four corners position department of connecting plate, the connecting rod upwards passes behind the first through-hole with purlin place board fixed connection, every all overlap on the connecting rod and be equipped with first spring, the upper and lower both ends of first spring are placed board and bottom fixed plate mutually tight with the purlin respectively.

Preferably, the pushing and installing assembly comprises a lapping mechanism and a lifting mechanism, the lifting mechanism is lapped on the lapping mechanism and used for pushing the clamping mechanism to move upwards, the lapping mechanism comprises a square fixed frame and a concave lapping plate, the square fixed frame is of a hollow structure, the concave lapping plate is installed at the lower part of the square fixed frame, the vertical end parts at the two sides of the concave lapping plate are respectively fixedly connected with the left end and the right end of the square fixed frame, and two limiting rings are fixedly arranged at the left side and the right side of the square fixed frame.

Preferably, the lifting mechanism comprises a cross-shaped push plate and a T-shaped rod, the cross-shaped push plate is lapped on the concave lapping plate, two third through holes are formed in the front end and the rear end of the cross-shaped push plate, each T-shaped rod penetrates through the third through hole, the vertical end of the T-shaped rod upwards penetrates through the third through hole and then is fixedly connected with the square fixing frame, the T-shaped rod is in sliding connection with the third through hole, an electric hydraulic rod is arranged between the two T-shaped rods at the front end and the rear end of the cross-shaped push plate, and the upper end and the lower end of the electric hydraulic rod are respectively fixedly connected with the square fixing frame and the cross-shaped push plate.

Preferably, the conveying mechanism comprises a supporting mechanism and a third driving mechanism, the supporting mechanism is fixedly arranged on the base and used for supporting the third driving mechanism, the third driving mechanism is arranged in the supporting mechanism and is in sliding connection with the supporting mechanism, the supporting mechanism comprises fixing columns, fixing plates and supporting plates, the fixing columns are arranged on the base, the fixing plates are arranged at the tops of the fixing columns, the number of the fixing columns is four and two pairs of fixing columns are fixedly connected at the four corners of the base, the number of the supporting plates is two and is arranged on the left side and the right side of the middle of the upper side of the base, the number of the fixing plates is two, each fixing plate is fixedly connected with the two fixing columns at the front end and the rear end of the base, and guide rods are fixedly arranged in the middle of the lower side of the fixing plates.

Preferably, the third actuating mechanism includes winding wheel, pivot, biax motor and stay cord, biax motor fixed connection is in the upside middle part of base, the quantity of pivot is two, every both ends respectively with biax motor and winding wheel fixed connection about the pivot after passing the backup pad, both ends after the stay cord passes the guide bar that can change stay cord direction of motion respectively with winding wheel and square fixed frame fixed connection.

Preferably, the four corners of the lower side of the base are respectively provided with a movable wheel.

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

1. According to the utility model, the purlines are placed on the clamping mechanism by arranging the clamping mechanism, the first driving mechanism and the second driving mechanism in the purline fixing assembly, the first driving mechanism and the second driving mechanism are driven to move downwards by utilizing the gravity of the purlines, and meanwhile, the clamping mechanism is pushed by the first driving mechanism to continuously clamp the purlines, so that the clamping mechanism keeps a clamping state on the purlines in the conveying process of the purlines, and the purline fixing assembly has an upward supporting effect on the purlines, so that the problem that the purlines are easy to drop in the conveying process is solved.

2. According to the purline conveying device, the pushing installation assembly and the conveying mechanism are arranged, the plurality of purline fixing assemblies can be fixedly arranged in the pushing installation assembly at the same time, the pushing installation assembly is conveyed to the target height through the conveying mechanism, namely, the plurality of purlines are conveyed to the target height at the same time, and the mode of conveying the purlines reduces the labor intensity of workers and improves the working efficiency.

3. According to the utility model, the electric hydraulic rod is arranged on the pushing and mounting assembly, and the clamping mechanism is driven to move upwards by the electric hydraulic rod after the purline is conveyed to the target position until the clamping of the purline is released, so that a worker can easily take the purline for use.

The utility model is described in further detail below with reference to the drawings and examples.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a left side view of the present utility model;

FIG. 3 is a schematic view of the purlin fixing assembly of the present utility model;

FIG. 4 is a schematic top view of the purlin securing assembly of the present utility model;

FIG. 5 is a schematic view of the push-fit assembly of the present utility model;

fig. 6 is a schematic structural view of the conveying mechanism of the present utility model.

Reference numerals illustrate:

1-a base; 2-moving wheels; 3-a conveying mechanism;

4-limiting blocks; 5-pushing the mounting assembly; 6-purlin fixing components;

31-fixing the column; 32-winding wheel; 33-rotating shaft;

34-a support plate; 35-a double-shaft motor; 36-pulling rope;

37-guide bar; 38-a top fixing plate; 51-square fixed frame;

52-concave lap plates; 53-a cross-shaped push plate; a 54-T shaped rod;

55-an electric hydraulic rod; 56-a third through hole; 61-connecting plates;

62-a bottom fixing plate; 63-connecting rods; 64-a first spring;

65-hinge rod; 66-sliding plate; 67-concave support bar;

68-a second spring; 69-purlin placement plate; 70-hinging seat;

71-a second through hole; 72-a first through hole; 610-risers;

611-purlin splint; 612-move through slot.

Detailed Description

As shown in fig. 1 and 2, the purlin fixing device comprises a base 1, a conveying mechanism 3, a pushing and mounting assembly 5 and a purlin fixing assembly 6, wherein the conveying mechanism 3 is fixedly mounted on the top of the base 1, the pushing and mounting assembly 5 is of a hollow structure and is mounted in the conveying mechanism 3, and the purlin fixing assembly 6 is fixedly connected in the hollow structure of the pushing and mounting assembly 5;

The purline fixing assembly 6 comprises a clamping mechanism, a first driving mechanism and a second driving mechanism, wherein the clamping mechanism is positioned on the upper side of the first driving mechanism and fixedly connected with the first driving mechanism, the second driving mechanism is positioned on the lower side of the first driving mechanism, and the second driving mechanism passes through the first driving mechanism upwards and is fixedly connected with the clamping mechanism.

As shown in fig. 3 and 4, the first driving mechanism includes a bottom fixing plate 62, hinge rods 65, sliding plates 66 and concave supporting rods 67, hinge seats 70 are fixedly arranged in the middle of the left side and the right side of the bottom fixing plate 62, first through holes 72 are respectively arranged at four corners of the bottom fixing plate 62, the number of the sliding plates 66 is two, the two sliding plates 66 are oppositely arranged and fixedly connected to the lower part of the clamping mechanism, two second through holes 71 through which the concave supporting rods 67 can pass are respectively arranged on the side surfaces of each sliding plate 66, the concave supporting plates 67 penetrate through the second through holes 71 to form an upward supporting effect on the sliding plates 66, the number of the concave supporting rods 67 is two, two second through holes 71 are respectively connected to each concave supporting rod 67 in a sliding manner, second springs 68 are respectively sleeved on the left side and the right side of each second spring 68, the two sliding plates 66 are respectively tightly propped against each other, the second springs 68 are fixedly connected to the lower parts of the two sliding plates 66 in a normal supporting state, and the second springs 68 can limit the moving speed of the two sliding plates 66 when approaching each other. The number of the hinge rods 65 is two, and both ends of each hinge rod 65 are hinged to the sliding plate 66 and the hinge seat 70, respectively.

The fixture includes purlin placing plate 69, riser 610, purlin splint 611, and the purlin placing plate 69 is cuboid structure and its left and right sides is provided with two removal logical grooves 612 that the size is the same relatively, and this removal leads to groove 612 to be rectangle structure, and two removal leads to the groove 612 limit that is close to be the minor face. The left end and the right end of the lower side of the purline placing plate 69 are fixedly connected with the vertical end parts of the concave supporting rods 67, a vertical plate 610 penetrates through each movable through groove 612, the vertical plate 610 upwards penetrates through the movable through grooves 612 and is fixedly connected with the purline clamping plates 611, and the end part of the vertical plate 610, which is positioned on the lower side of the purline placing plate 69, is fixedly connected with the sliding plate 66. The risers 610 are slidably connected with the movable through grooves 612, the two risers 610 can move along the length direction of the movable through grooves 612, the two risers 610 are close to each other to drive the purline clamping plates 611 fixedly connected with the risers to be close to each other to clamp purlines, and the two risers 610 are far away from each other to drive the purline clamping plates 611 fixedly connected with the risers to be far away from each other to release the clamping state of the purlines.

The second actuating mechanism includes connecting plate 61 and connecting rod 63, and connecting plate 61 is located the downside of bottom fixed plate 62, and the equal fixedly connected with connecting rod 63 of four corners position department of connecting plate 61, connecting rod 63 upwards pass behind the first through-hole 72 with purlin place board 69 fixed connection, connecting rod 63 and first through-hole 72 sliding connection, all overlap on every connecting rod 63 and are equipped with first spring 64, and the upper and lower both ends of first spring 64 are placed board 69 and bottom fixed plate 62 looks top tightly with the purlin respectively. The first spring 64 may limit the speed of movement of the purlin placement plate 69 in the direction of the bottom retainer plate 62.

Specifically, after the purline is placed between the two purline clamping plates 611, due to the gravity action of the purline, the purline placing plates 69 move downwards to drive the springs on the four connecting rods 63 to compress, the distance between the bottom fixing plate 62 and the purline placing plates 69 is continuously reduced, then the two hinging rods 65 respectively push the two sliding plates 66 to approach each other, the second springs 68 on the concave supporting rods 67 are continuously compressed, the two sliding plates 66 respectively drive the vertical plates 610 to approach along the length direction of the movable through groove 612, the mutual approach of the two vertical plates 610 drives the two purline clamping plates 611 to approach each other until the two purline clamping plates 611 clamp the purline, and the purline placing plates 69 stop moving downwards to successfully clamp the purline. If the purlines in the two purline clamping plates 611 are to be unclamped, the connecting plate 61 needs to be pushed to move upwards, the connecting plate 61 pushes the four connecting rods 63 to move upwards, the connecting rods 63 push the purline placing plate 69 to move towards the direction away from the bottom fixing plate 62, and as the distance between the purline placing plate 69 and the bottom fixing plate 62 is continuously increased, the two hinging rods 65 respectively drive the two sliding plates 66 to move away from each other, the second springs 68 on the concave supporting rods 67 continuously restore to support, the two sliding plates 66 respectively drive the vertical plates 610 to move away from each other along the length direction of the moving through groove 612, and the two vertical plates 610 are mutually far away from each other to drive the two purline clamping plates 611 to move away from each other until the two purline clamping plates 611 unclamping the purlines, so that a worker can successfully take the purlines on the purline placing plate 69.

As shown in fig. 5, the pushing and mounting assembly 5 includes a lapping mechanism and a lifting mechanism, the lifting mechanism is lapped on the lapping mechanism to push the clamping mechanism to move upwards, the clamping mechanism is lapped on the lapping mechanism, the lapping mechanism includes a square fixed frame 51 and a concave lapping plate 52, the square fixed frame 51 is of a hollow structure, the concave lapping plate 52 is mounted at the lower part of the square fixed frame 51, a plurality of bottom fixing plates 62 can be fixedly connected in the hollow structure of the square fixed frame 51, and the width of the hollow square structure is consistent with the long side of the bottom fixing plates 62. The vertical end parts at two sides of the concave lapping plate 52 are respectively fixedly connected with the left end and the right end of the square fixed frame 51, and two limiting rings 4 are fixedly arranged at the left side and the right side of the square fixed frame 51. The restriction ring 4 is slidably connected to the conveying mechanism 3 for restricting the direction in which the square fixing frame 51 moves up and down.

As shown in fig. 5, the lifting mechanism includes a cross-shaped push plate 53 and T-shaped rods 54, the cross-shaped push plate 53 is lapped on the concave lapping plate 52, the length direction of the cross-shaped push plate 53 coincides with the concave lapping plate 52, the width direction is in a suspended state, two third through holes 56 are respectively formed in the front end and the rear end of the cross-shaped push plate 53, the T-shaped rods 54 penetrate through each third through hole 56, the number of the T-shaped rods 54 is four, the vertical ends of the T-shaped rods 54 penetrate through the third through holes 56 upwards and are fixedly connected with the square fixing frame 51, the T-shaped rods 54 are slidably connected with the third through holes 56, the T-shaped rods 54 can limit the movement direction of the cross-shaped push plate 53, electric hydraulic rods 55 are respectively arranged between the two T-shaped rods 54 at the front end and the rear end of the cross-shaped push plate 53, the electric hydraulic rods 55 can drive the cross-shaped push plate 53 to move up and down, and the upper end and the lower end of the electric hydraulic rods 55 are respectively fixedly connected with the square fixing frame 51 and the cross-shaped push plate 53.

Specifically, the bottom fixing plate 62 is fixedly connected in the hollow square structure of the square fixing frame 51, when the purlines are required to be unclamped, the electric hydraulic rod 55 is started, the electric hydraulic rod 55 drives the cross-shaped push plate 53 fixedly connected with the electric hydraulic rod to slide upwards along the direction of the T-shaped rod 54, an upward thrust is formed on the connecting plate 61, the connecting plate 61 is pushed to move upwards, the connecting plate 61 pushes the connecting rod 63 to move upwards, the upward movement of the connecting rod 63 enables the distance between the bottom fixing plate 62 and the purline placing plate 69 to be continuously increased, and simultaneously under the mutual cooperation of the hinging rod 65, the sliding plate 66, the vertical plate 610 and the purline clamping plates 611, the two purline clamping plates 611 are enabled to unclamp the purlines.

As shown in fig. 6, the conveying mechanism 3 includes a supporting mechanism and a third driving mechanism, the supporting mechanism is fixedly arranged on the base 1 and is used for supporting the third driving mechanism, the third driving mechanism is arranged in the supporting mechanism and is in sliding connection with the supporting mechanism, the supporting mechanism includes fixing columns 31, fixing plates 38 and supporting plates 34, the fixing columns 31 are installed on the base 1, the fixing plates 38 are arranged at the tops of the fixing columns 31, the number of the fixing columns 31 is four and two opposite fixing connections are arranged at the four corners of the base 1, the number of the supporting plates 34 is two and is arranged at the left side and the right side of the middle of the upper side of the base 1, the number of the fixing plates 38 is two, each fixing plate 38 is fixedly connected with the two fixing columns 31 at the front end and the rear end of the base 1, guide rods 37 are fixedly arranged at the middle of the lower side of the fixing plates 38, and the guide rods 37 can change the moving direction of the driving mechanism.

As shown in fig. 6, the third driving mechanism includes a winding wheel 32, a rotating shaft 33, a double-shaft motor 35 and a pull rope 36, the double-shaft motor 35 is fixedly connected to the middle part of the upper side of the base 1, the number of the rotating shafts 33 is two, the left and right ends of each rotating shaft 33 passing through the supporting plate 34 are respectively fixedly connected with the double-shaft motor 35 and the winding wheel 32, the rotating shaft 33 is rotationally connected with the supporting plate 34, and the two ends of the pull rope 36 passing through a guide rod 37 capable of changing the moving direction of the pull rope 36 are respectively fixedly connected with the winding wheel 32 and the square fixing frame 51. The number of winding wheels 32 is two.

Specifically, when the purline needs to be conveyed to the grid structure, the pushing and installing assembly 5 drives the purline fixing assembly 6 to move upwards, the double-shaft motor 35 is started, the double-shaft motor 35 drives the two rotating shafts 33 on the left side and the right side of the double-shaft motor to rotate, the rotating shafts 33 drive the winding wheels 32 to rotate, the winding wheels 32 continuously wind the pull ropes 36, the part of the pull ropes 36 wound on the winding wheels 32 is increased continuously, the other ends of the pull ropes 36 are driven to move upwards, and the winding of the pull ropes 36 drives the square fixing frame 51 to move upwards due to the fact that the other ends of the pull ropes 36 are fixedly connected with the pushing and installing assembly 5, and the bottom fixing plate 62 is fixed in the square fixing frame 51, so that the aim of conveying the purline upwards is achieved. If the purline on the clamping device is taken out completely, the purline fixing assembly 6 needs to be moved to the ground direction, the double-shaft motor 35 is started to rotate in the direction opposite to the upward movement of the purline fixing assembly 6, under the mutual cooperation of the rotating shaft 33 and the winding wheel 32, the pull rope 36 wound on the winding wheel 32 is continuously released, the installation assembly 5 drives the bottom fixing plate 62 to continuously move downwards until the purline fixing assembly is moved to the target position to close the double-shaft motor 35, and the installation assembly 5 is pushed to drive the clamping mechanism to move downwards until the purline fixing assembly is closed.

As shown in fig. 1, moving wheels 2 are respectively arranged at four corners of the lower side of the base 1. The provision of the moving wheel 2 facilitates the movement of the conveying device to any position by the staff.

When the purlin clamping device is used, conveying equipment is moved to a target position, target purlins are placed between two purlin clamping plates 611, the purlin placing plates 69 move towards the direction of the bottom fixing plates 62 due to the gravity action of the purlins, meanwhile, four connecting rods 63 fixed on the lower sides of the purlin placing plates 69 drive connecting plates 61 to move towards the direction close to the cross-shaped pushing plates 53, and under the mutual cooperation of the hinging rods 65, the sliding plates 66 and the concave supporting rods 67, the two purlin clamping plates 611 are continuously close until the purlins are clamped. After purline is placed, the double-shaft motor 35 is started, the double-shaft motor 35 drives the rotating shaft 33 to rotate, the rotating shaft 33 drives the winding wheel 32 to rotate, the winding wheel 32 continuously winds the pull rope 36 on the winding wheel, the pull rope 36 on the other side of the guide rod 37 drives the square fixing frame 51 to move upwards, the square fixing frame 51 is fixedly connected with the bottom fixing plate 62, so that the purline is driven to move upwards until the purline is conveyed to the target height, the double-shaft motor 35 is closed, the electric hydraulic rod 55 is started, the electric hydraulic rod 55 drives the cross-shaped push plate 53 fixedly connected with the electric hydraulic rod 55 to move upwards, the cross-shaped push plate 53 pushes the connecting plate 61 to move upwards, and the four connecting rods 63 on the connecting plate 61 push the purline placing plate 69 to move upwards continuously, and under the mutual cooperation of the hinging rod 65, the sliding plate 66 and the concave supporting rod 67, the two purline clamping plates 611 are kept away until the purline is released. After all purlines on the purline clamping plate 611 are taken out, the double-shaft motor 35 is started to rotate in the opposite direction to the direction when the purline clamping plate 611 ascends, the rotating shaft 33 and the winding wheel 32 synchronously rotate, the winding wheel 32 continuously releases the pull rope 36 wound on the winding wheel, the pull rope 36 on the other side of the guide rod 37 drives the square fixing frame 51 to move downwards until the square fixing frame descends to the target position, the double-shaft motor 35 is closed, and purline conveying is finished.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural transformation of the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (8)

1. Purlin conveying equipment that grid structure construction was used, its characterized in that: the device comprises a base (1), a conveying mechanism (3), a pushing and mounting assembly (5) and a purline fixing assembly (6), wherein the conveying mechanism (3) is fixedly mounted at the top of the base (1), the pushing and mounting assembly (5) is of a hollow structure and is mounted in the conveying mechanism (3), and the purline fixing assembly (6) is fixedly connected in the hollow structure of the pushing and mounting assembly (5);

The purlin fixing assembly (6) comprises a clamping mechanism, a first driving mechanism and a second driving mechanism, wherein the clamping mechanism is positioned on the upper side of the first driving mechanism and is fixedly connected with the first driving mechanism, the second driving mechanism is positioned on the lower side of the first driving mechanism, and the second driving mechanism passes through the first driving mechanism upwards and is fixedly connected with the clamping mechanism;

The first driving mechanism comprises a bottom fixing plate (62), hinge rods (65), sliding plates (66) and concave supporting rods (67), hinge bases (70) are fixedly arranged in the middle of the left end and the right end of the bottom fixing plate (62), first through holes (72) are formed in the four corners of the bottom fixing plate (62), the number of the sliding plates (66) is two, the sliding plates (66) are oppositely arranged and fixedly connected to the lower portion of the clamping mechanism, two second through holes (71) allowing the concave supporting rods (67) to penetrate through are formed in the side faces of each sliding plate (66), the number of the concave supporting rods (67) is two, two second through holes (71) are slidably connected to each concave supporting rod (67), second springs (68) are sleeved on the concave supporting rods (67) between the second through holes, the left end and the right end of each second spring (68) are respectively tightly pressed against the two sliding plates (66), and the number of the concave supporting rods (67) is two hinge bases (70).

2. A purlin conveying apparatus for use in constructing a grid structure as defined in claim 1, wherein: the clamping mechanism comprises purline placing plates (69), vertical plates (610) and purline clamping plates (611), wherein the purline placing plates (69) are of cuboid structures, two movable through grooves (612) with the same size are oppositely formed in the left side and the right side of the purline placing plates (69), the left end and the right end of the lower side of each purline placing plate are fixedly connected with the vertical end of each concave supporting rod (67), each movable through groove (612) is internally provided with a vertical plate (610) which penetrates through, the vertical plates (610) upwards penetrate through the movable through grooves (612) and are fixedly connected with the purline clamping plates (611), and the end of each vertical plate (610) located at the lower side of each purline placing plate (69) is fixedly connected with the corresponding sliding plate (66).

3. A purlin conveying apparatus for use in constructing a grid structure as defined in claim 2, wherein: the second driving mechanism comprises a connecting plate (61) and connecting rods (63), the connecting plate (61) is located at the lower side of a bottom fixing plate (62), connecting rods (63) are fixedly connected to four corners of the connecting plate (61) respectively, the connecting rods (63) penetrate through first through holes (72) upwards and then are fixedly connected with purline placing plates (69), first springs (64) are sleeved on the connecting rods (63), and the upper ends and the lower ends of the first springs (64) are respectively propped against the purline placing plates (69) and the bottom fixing plate (62).

4. A purlin conveying apparatus for use in constructing a grid structure as defined in claim 1, wherein: the pushing installation assembly (5) comprises a lapping mechanism and a lifting mechanism, the lifting mechanism is lapped on the lapping mechanism and used for pushing the clamping mechanism to move upwards, the lapping mechanism comprises a square fixed frame (51) and a concave lapping plate (52), the square fixed frame (51) is of a hollow structure, the concave lapping plate (52) is installed at the lower part of the square fixed frame (51), the vertical end parts of the two sides of the concave lapping plate (52) are fixedly connected with the left end and the right end of the square fixed frame (51) respectively, and two limiting rings (4) are fixedly arranged on the left side and the right side of the square fixed frame (51).

5. A purlin conveying apparatus for use in constructing a grid structure as defined in claim 4, wherein: the lifting mechanism comprises a cross-shaped push plate (53) and T-shaped rods (54), the cross-shaped push plate (53) is lapped on a concave lapping plate (52), two third through holes (56) are formed in the front end and the rear end of the cross-shaped push plate (53), the T-shaped rods (54) penetrate through the third through holes (56), the vertical ends of the T-shaped rods (54) penetrate through the third through holes (56) upwards and are fixedly connected with a square fixing frame (51), the T-shaped rods (54) are in sliding connection with the third through holes (56), electric hydraulic rods (55) are arranged between the two T-shaped rods (54) at the front end and the rear end of the cross-shaped push plate (53), and the upper end and the lower end of each electric hydraulic rod (55) are respectively fixedly connected with the square fixing frame (51) and the cross-shaped push plate (53).

6. A purlin conveying apparatus for use in constructing a grid structure as defined in claim 1, wherein: the conveying mechanism (3) comprises a supporting mechanism and a third driving mechanism, the supporting mechanism is fixedly arranged on the base (1) and is used for supporting the third driving mechanism, the third driving mechanism is arranged in the supporting mechanism and is in sliding connection with the supporting mechanism, the supporting mechanism comprises fixing columns (31), fixing plates (38) and supporting plates (34), the fixing columns (31) are arranged on the base (1), the fixing plates (38) are arranged at the tops of the fixing columns (31), the fixing columns (31) are four in number and are fixedly connected to the four corners of the base (1) in pairs, the supporting plates (34) are two in number and are arranged on the left side and the right side of the middle of the upper side of the base (1), the fixing plates (38) are two in number, each fixing plate (38) is fixedly connected with the two fixing columns (31) at the front end and the rear end of the base (1), and guide rods (37) are fixedly arranged in the middle of the lower side of the fixing plates (38).

7. A purlin conveying apparatus for use in constructing a lattice structure in accordance with claim 6, wherein: the third driving mechanism comprises a winding wheel (32), a rotating shaft (33), a double-shaft motor (35) and a pull rope (36), wherein the double-shaft motor (35) is fixedly connected to the middle of the upper side of the base (1), the number of the rotating shafts (33) is two, each rotating shaft (33) penetrates through the left end and the right end of the supporting plate (34) and is respectively fixedly connected with the double-shaft motor (35) and the winding wheel (32), and the pull rope (36) penetrates through the two ends of the guide rod (37) capable of changing the moving direction of the pull rope (36) and is respectively fixedly connected with the winding wheel (32) and the square fixing frame (51).

8. A purlin conveying apparatus for use in constructing a lattice structure according to any one of claims 1 to 7, wherein: the four corners of the lower side of the base (1) are respectively provided with a movable wheel (2).