CN215589465U

CN215589465U - Vertical stair mould carrying device

Info

Publication number: CN215589465U
Application number: CN202122311548.6U
Authority: CN
Inventors: 崔和平; 姜海龙; 马红超
Original assignee: Liaoning Longxing Environmental Protection Technology Co ltd
Current assignee: Beijing Haolongkai Construction Group Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-21
Anticipated expiration: 2031-09-24

Abstract

The application discloses vertical stair mould carrying device belongs to vertical stair mould technical field, and its technical scheme main points are including base and the supporting component who is used for supporting the stair mould, and the supporting component includes fixed part and movable part, and fixed part and pedestal connection, fixed part and movable part are connected with the both sides of stair mould respectively, all are equipped with the locating component who is used for making the stair mould location on fixed part and the movable part, reach the effect that improves stair mould commonality.

Description

Vertical stair mould carrying device

Technical Field

The utility model relates to the field of stair molds, in particular to a vertical stair mold carrying device.

Background

With the development of the assembly type building industry, the stair mold becomes an indispensable part in the building industry, and the existing stair mold is mostly a vertical stair mold.

As shown in fig. 1, the vertical stair mold comprises a stair mold 1 and a push-pull device 2 used in cooperation with the stair mold 1, wherein the stair mold 1 comprises a stair mold 11 and a plane mold 12 which are parallel to each other; push-and-pull device 2 mainly includes base 21, backup pad 22 and fixing base 23, base 21 level is placed subaerial, backup pad 22's bottom surface and the relative sliding connection of base 21 top surface, backup pad 22 symmetry is provided with two, 11 levels of ladder mould and plane mould 12 are arranged in between two backup pads 22, and all with base 21 sliding connection, 11 and the plane mould 12 of ladder mould respectively with the backup pad 22 fixed connection of both sides, one side and the fixing base 23 relative connection of stair mould 1 are kept away from to backup pad 22, fixing base 23 is provided with two about stair mould 1 symmetry.

To the correlation technique among the above-mentioned, the inventor thinks backup pad and stair mould fixed connection, and this kind of connected mode is firm, and the difficult emergence of stair mould rocks, but if need make different specification stairs, need wholly change vertical stair mould, therefore the commonality of stair mould is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve the commonality of stair mould, this application provides a vertical stair mould carries on device.

The application provides a vertical stair mould carries on device adopts following technical scheme:

a vertical stair mold carrying device: including base and the supporting component that is used for supporting the stair mould, the supporting component includes fixed part and movable part, and fixed part and base are connected, and fixed part and movable part are connected with the both sides of stair mould respectively, all are equipped with the locating component that is used for making the stair mould location on fixed part and the movable part.

By adopting the technical scheme, the arrangement of the fixed part and the movable part can separate the stair surface die from the plane die, so that the die assembly and the die release of the stair die are facilitated, the stair is more convenient to manufacture, and the production efficiency is improved; the positioning assembly realizes detachable connection of the stair mold and the supporting assembly, so that the carrying device can be connected with various types of standard stair molds, the universality of the stair mold is improved, the utilization rate of the carrying device is improved, the production efficiency of the stair is improved, and the cost for manufacturing the stair is reduced.

Preferably, the fixing part comprises a fixing frame and a fixing rod, the fixing frame is arranged above the base and fixedly connected with the base, the fixing frame is abutted against the bottom surface of the stair mold, the fixing rod is fixedly connected with the side wall of the fixing frame, and the fixing rod is connected with the positioning assembly.

Through adopting above-mentioned technical scheme, the mount can effectually bear the stair mould with the bottom surface butt of stair mould, strengthens the connection stability of stair mould, and the setting of dead lever on the one hand accessible locating component bears the stair mould for the stair mould is stable is connected with locating component, and on the other hand can have the reduction and exempt from the stair mould to empty, makes the stair mould more stable in the use.

Preferably, the movable part includes movable rod and adjustable shelf, is connected with the subassembly that slides that is used for making the movable rod remove on the movable rod, and the movable rod lateral wall is connected with adjustable shelf fixed connection, and the movable rod is connected with locating component, adjustable shelf and mount butt.

Through adopting above-mentioned technical scheme, the adjustable shelf can effectually bear the stair mould with stair mould butt, strengthens the installation stability of stair mould, and the setting of movable rod can be strengthened being connected with the stair mould for the stair mould is more stable and firm in the use.

Preferably, the positioning assembly comprises a positioning connecting plate and a positioning bolt, the positioning connecting plate is fixed to the fixed rod or the movable rod, the positioning connecting plate is connected with the reinforcing plate on the stair mold in an inserting mode, and the positioning bolt penetrates through the positioning connecting plate and is connected with the stair mold.

Through adopting above-mentioned technical scheme, wear to establish location connecting plate, stair mould through with the gim peg and make the stair mould connect in carrying device's assigned position department, this kind of connected mode easily operates, can realize being connected and the split with stair mould and supporting component fast, improves production efficiency for treat the stair mould that can connect different specifications at the device, improve carrying device's availability factor, reduce the cost of stair preparation.

Preferably, the subassembly that slides includes slide rail, connecting plate and pulley, and slide rail fixed connection is on the lateral wall of base, and the length direction of slide rail is the same with the moving direction of movable rod, one side and the activity bracing piece fixed connection of connecting plate, and the opposite side and the pulley of connecting plate rotate relatively and are connected, pulley and slide rail sliding connection.

By adopting the technical scheme, the sliding connection of the pulley and the sliding rail ensures that the movable rod moves more smoothly and the carrying device is more convenient to use; the setting of connecting plate and pulley can effectively save the usage space of slide rail, can avoid the stair mould to topple over at the removal in-process simultaneously to a certain extent for the use of stair mould is more stable.

Preferably, the bottom of movable rod is connected with spacing subassembly, and spacing subassembly includes spacing track and double round truckle, and spacing track and base top surface fixed connection, spacing orbital length direction is the same with the moving direction of movable rod, and the double round truckle is connected with the bottom of movable rod, double round truckle and spacing track cooperation and with spacing track sliding connection.

Through adopting above-mentioned technical scheme, the direction of movement that can restrict the movable rod on the one hand, guarantees the normal removal of movable rod, and on the other hand can be so that the removal of movable rod is more smooth and easy that and then the drawing of patterns of the stair mould of being convenient for can effectively improve the speed of stair preparation, improves the production efficiency of stair preparation with spacing track cooperation and sliding connection.

Preferably, be connected with on the dead lever and be used for the fixed subassembly fixed with the movable rod, fixed subassembly includes first fixed block, the second fixed block, first dead lever and first change ring, the top fixed connection of first fixed block and fixed support pole, the top fixed connection of second fixed block and movable support pole, set up the first spread groove that is used for connecting first dead lever on the first fixed block, set up the second spread groove that is used for connecting first dead lever on the second fixed block, the one end of first dead lever is articulated with first fixed block, the other end passes first spread groove, second spread groove and first change ring threaded connection, first change ring and movable rod butt.

By adopting the technical scheme, the arrangement of the first fixed rod and the first rotating ring ensures that the fixed rod and the movable rod can be firmly connected, so that the connection between the stair mold and the supporting part is firmer, the normal use of the stair mold is ensured, and the stair manufacturing quality is improved; first dead lever and first rotating ring threaded connection, this kind of connected mode is simple easy to operate, can realize being connected and separating between dead lever and the movable rod fast for the stair manufacture process is more simple and convenient.

Preferably, be equipped with on the mount and be used for strengthening the reinforcement subassembly of being connected with the adjustable shelf, the reinforcement subassembly includes locking part, and locking part includes second dead lever and second swivel becket, and the one end and the mount butt of second dead lever, fixed stay frame and adjustable stay frame and second swivel becket threaded connection are worn to establish by the other end, second swivel becket and adjustable shelf butt.

By adopting the technical scheme, the arrangement of the locking part strengthens the connection between the fixed frame and the movable frame, so that the two ends of the stair mold in the vertical direction are fixed, the connection between the stair mold and the supporting part is firmer, and the normal use of the stair mold is ensured; second dead lever and second rotating ring threaded connection, this kind of connected mode is simple easily to be operated, can realize being connected and separating between mount and the adjustable shelf fast for the compound die drawing of patterns operation in the stair manufacture process is more simple and convenient.

Preferably, the reinforcing assembly further comprises a clamping part, the clamping part comprises a first clamping rod and a second clamping rod, the first clamping rod is fixedly connected with the fixed frame, the second clamping rod is fixedly connected with the movable frame, and the first clamping rod and the second clamping rod are provided with the fixing assembly.

By adopting the technical scheme, the supporting component enables the two sides of the stair mold in the length direction to be fixed, the middle of the stair mold is also clamped tightly due to the arrangement of the clamping component, the connection between the stair mold and the supporting component is enhanced, and the stair molded by casting can meet the requirements better.

In summary, the present application has the following beneficial effects:

1. the detachable connection of the stair mold and the supporting component is realized through the positioning component, so that the carrying device can be connected with various types of standard stair molds, the utilization rate of the carrying device is improved, the manufacturing cost of the stair is reduced, the arrangement of the fixed component and the movable component enables the stair mold and the plane mold to be separated, the mold closing and demolding of the stair mold are facilitated, and the production efficiency of the stair is improved;

2. the two-wheel caster wheel is matched and slidably connected with the limiting rail, so that the moving direction of the movable rod can be effectively limited, the normal movement of the movable rod is ensured, the arrangement of the connecting plate and the pulley can effectively save the using space of the sliding rail, and meanwhile, the stair mold can be prevented from being toppled in the moving process to a certain extent, so that the using process of the stair mold is more stable;

3. first dead lever and the threaded connection of first rotating ring make the butt between ladder mould and the plane mould inseparabler, guarantee the normal use of stair mould to threaded connection mode is simple easy to operate, can realize being connected and separating between dead lever and the movable rod fast, makes the stair manufacture process more simple and convenient.

Drawings

Fig. 1 is a schematic structural view of a conventional vertical stair mold.

Fig. 2 is a schematic structural diagram of the present application.

Fig. 3 is a schematic view of a partial sectional structure of the hidden stair mold.

Fig. 4 is a partially enlarged view of a in fig. 3.

Description of reference numerals:

1. a stair mold; 11. a step mold; 12. a planar mold; 2. a push-pull device; 21. a base; 22. a support plate; 23. a fixed seat; 3. a base; 4. a support assembly; 41. a fixing member; 411. a fixed mount; 412. fixing the rod; 42. a movable part; 421. a movable rod; 422. a movable frame; 5. a limiting component; 51. a limiting track; 52. a two-wheeled caster; 6. a slipping component; 61. a slide rail; 62. a connecting plate; 63. a pulley; 7. a positioning assembly; 71. positioning the connecting plate; 711. a card slot; 72. positioning bolts; 8. a fixing assembly; 81. a first fixed block; 811. a first connecting groove; 82. a second fixed block; 821. a second connecting groove; 83. a first fixing lever; 84. a first rotating ring; 9. a reinforcement assembly; 91. a locking member; 911. a second fixing bar; 912. a second rotating ring; 92. a clamping member; 921. a first clamping bar; 922. a second clamping bar.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The application discloses vertical stair mould carries on device, as shown in fig. 2, including base 3, be connected with the supporting component 4 that is used for supporting stair mould 1 on the base 3, be connected with the locating component 7 that is used for injecing stair mould 1 hookup location on the supporting component 4. When the stair is manufactured, the stair mold 1 is connected with the supporting component 4 through the positioning component 7, concrete pouring is carried out on the stair mold 1 after connection, and the stair is manufactured.

As shown in fig. 2, the base 3 is horizontally placed on the ground, the stair mold 1 comprises a step mold 11 and a plane mold 12, and the step mold 11 is abutted with the plane mold 12; the supporting assembly 4 includes a fixed part 41 and a movable part 42, the fixed part 41 is connected to the base 3, the fixed part 41 is connected to the step mold 11 or the flat mold 12 through the positioning assembly 7, and the movable part 42 is connected to the flat mold 12 or the step mold 11 through the positioning assembly 7, in this embodiment, the fixed part 41 is connected to the step mold 11, and the movable part 42 is connected to the flat mold 12.

As shown in fig. 2 and 3, the fixing component 41 includes a horizontal fixing frame 411 and a vertical fixing rod 412, the length direction of the fixing frame 411 is the same as the length direction of the step mold 11, the bottom surface of the fixing frame 411 is fixedly connected with the top surface of the base 3, and the top surface of the fixing frame 411 is abutted with the bottom surface of the step mold 11; the two fixing rods 412 are disposed at two ends of the fixing frame 411 in the length direction, respectively, the bottom end of the fixing rod 412 is fixedly connected to the top surface of the base 3, the side wall of the fixing rod 412 is fixedly connected to the side wall of the fixing frame 411 far away from the movable part 42, and the fixing rod 412 is connected to the step mold 11 through the positioning assembly 7.

As shown in fig. 3, the movable part 42 includes two vertical movable rods 421 and two horizontal movable frames 422, the two movable rods 421 are symmetrically arranged, the side walls of the movable rods 421 are fixedly connected with the side walls of the movable frames 422 far away from the fixed frame 411, the bottoms of the two movable rods 421 are respectively provided with a limiting assembly 5 for limiting the moving direction of the movable rods 421, the movable rods 421 move in the direction close to or far away from the fixed rod 412, and the movable rods 421 are slidably connected with the base 3 through the limiting assemblies 5; the length direction of adjustable shelf 422 is the same with the length direction of mount 411, and adjustable shelf 422 length direction's lateral wall and mount 411 length direction's lateral wall laminating, and the top surface of adjustable shelf 422 and the top surface of mount 411 are in same horizontal plane, and adjustable shelf 422 keeps away from the lateral wall and the movable rod 421 fixed connection of mount 411, leaves the distance between the bottom surface of adjustable shelf 422 and the top surface of base 3.

As shown in fig. 3, the position-limiting assembly 5 includes a horizontal position-limiting rail 51 and a two-wheeled caster 52, the length direction of the position-limiting rail 51 is the same as the moving direction of the movable rod 421 away from the fixed rod 412, the bottom surface of the position-limiting rail 51 is fixedly connected with the top surface of the base 3, the longitudinal section of the position-limiting rail 51 is triangular, the two-wheeled caster 52 is connected to the bottom end of the movable rod 421, the two-wheeled caster 52 is matched with the position-limiting rail 51, and the two-wheeled caster 52 is slidably connected with the position-limiting rail 51; the two movable rods 421 are connected with a sliding assembly 6 for moving the movable rods 421 in a direction away from or close to the fixed rod 412.

Before the preparation stair, be connected ladder mould 11 with dead lever 412 through locating component 7, plane mould 12 passes through locating component 7 and is connected with movable rod 421, treats the stair shaping back, promotes movable rod 421, and under the effect of subassembly 6 that slides, movable rod 421 drives plane mould 12 and removes to the direction of keeping away from dead lever 412 along spacing track 51's length direction, accomplishes the drawing of patterns of ladder mould 11 and plane mould 12, takes out fashioned stair after the drawing of patterns.

As shown in fig. 3, the sliding assembly 6 includes a sliding rail 61, a connecting plate 62 and a pulley 63, the sliding rail 61 is horizontally and fixedly connected to the side wall of the base 3, the length direction of the sliding rail 61 is the same as the length direction of the limiting rail 51, the connecting plate 62 is horizontally and upwardly inclined, one side of the connecting plate 62 is fixedly connected to the bottom of the movable rod 421, and the other side is slidably connected to the sliding rail 61 through the pulley 63; the pulleys 63 are rotatably connected with the connecting plate 62 relatively, three pulleys 63 are arranged, the three pulleys 63 are arranged in a triangular shape, one pulley 63 is connected with the top surface of the sliding rail 61 in a relatively sliding mode, and the other two pulleys 63 are connected with the bottom surface of the sliding rail 61 in a relatively sliding mode.

As shown in fig. 2, 3 and 4, two sets of positioning assemblies 7 are respectively disposed on each of the fixed link 412 and the movable link 421, and for example, the positioning assembly 7 on one fixed link 412 is illustrated, where the positioning assembly 7 includes a horizontal positioning connecting plate 71 and a vertical positioning bolt 72, the longitudinal section of the positioning connecting plate 71 is U-shaped, and the opening of the positioning connecting plate faces the movable link 421, a clamping groove 711 is disposed on a horizontal section of the positioning connecting plate 71, the clamping groove 711 extends toward a vertical section of the positioning connecting plate 71, the movable link 421 is disposed in the clamping groove 711 and is inserted into the positioning connecting plate 71, the vertical section of the positioning connecting plate 71 and the movable link 421 are fixed by screws, and a reinforcing plate on the flat mold 12 can be inserted between two horizontal sections of the positioning connecting plate 71; two positioning pins 72 are symmetrically arranged about the movable rod 421, and the positioning pins 72 penetrate the positioning connecting plate 71 and the plane die 12 to fix the plane die 12.

When the flat mold 12 is mounted, the bottom surface of the flat mold 12 is abutted against the top surface of the movable frame 422, the reinforcing plate on the flat mold 12 is inserted between the two horizontal sections of the positioning connection plate 71, the positioning bolt 72 sequentially penetrates through the horizontal sections of the positioning connection plate 71 and the flat mold 12 to fix the flat mold 12, and the mounting method of the stepped mold 11 is the same as that of the flat mold 12.

As shown in fig. 3, the fixed rod 412 is connected with a fixed assembly 8 for fixing the movable rod 421, the fixed assembly 8 includes a first fixed block 81, a second fixed block 82, a first fixed rod 83 and a first rotating ring 84, the first fixed block 81 is a cuboid lacking a top surface and a bottom surface and having a hollow interior, the first fixed block 81 is sleeved on the outer side of the top end of the fixed rod 412 and fixed with the fixed rod 412, two opposite side walls of the first fixed block 81 are both provided with vertical first connecting grooves 811, the second fixed block 82 has the same structure as the first fixed block 81, the second fixed block 82 is sleeved on the outer side of the top end of the movable rod 421 and fixed with the movable rod 421, and two opposite side walls of the second fixed block 82 are both provided with vertical second connecting grooves 821; the first fixing rod 83 can be vertically or horizontally disposed, for example, the longitudinal section of the first fixing rod 83 is T-shaped, the horizontal section of the first fixing rod 83 is hinged to the first fixing block 81, and the vertical section of the first fixing rod 83 is in threaded connection with the first rotating ring 84.

After ladder mould 11, plane mould 12 connect the pointed position on the carrying device, promote movable rod 421 and make ladder mould 11 and plane mould 12 butt, rotate first dead lever 83 to horizontal position, the free section of first dead lever 83 passes first spread groove 811 in proper order, second spread groove 821 is connected with first rotating ring 84, rotate first rotating ring 84 to the lateral wall butt with second fixed block 82, just fix movable rod 421 through fixed subassembly 8 this moment, carry out the stair pouring on next step again.

As shown in fig. 3, the fixed frame 411 is connected with a reinforcing component 9 for reinforcing connection with the movable frame 422, the reinforcing component 9 includes a locking component 91 and a clamping component 92, the locking component 91 includes a second fixed rod 911 and a second rotating ring 912, the second fixed rod 911 is horizontally arranged, one end of the second fixed rod 911 abuts against the side wall of the fixed frame 411 close to the movable frame 422, the other end of the second fixed rod sequentially penetrates through the side wall of the fixed frame 411 close to the movable frame 422, two side walls of the movable frame 422 in the length direction are in threaded connection with the second rotating ring 912, the second rotating ring 912 abuts against the side wall of the movable frame 422, and the clamping components are provided with two groups and are respectively close to two sides of the movable rod 421 in the length direction.

As shown in fig. 3, the clamping member 92 includes a first clamping bar 921 and a second clamping bar 922 which are vertically arranged, a bottom of the first clamping bar 921 is fixedly connected to a side wall of the fixed frame 411 far away from the movable frame 422, a bottom of the second clamping bar 922 is fixedly connected to a side wall of the movable frame 422 far away from the fixed frame 411, the first clamping bar 921 and the second clamping bar 922 are the same in length and symmetrically arranged, the top and the bottom of the first clamping bar 921 and the second clamping bar 922 are also connected with the fixing assembly 8, and a vertical distance between the fixed frame 411 and the ground is greater than a height of the first rotating ring 84, so that the first fixing bar 83 at the bottom of the first clamping bar 921 can rotate towards a direction close to the ground.

The application process is as follows: firstly, pushing a movable rod 421 to separate a movable frame 422 from a fixed frame 411 so as to install a step die 11 and a plane die 12, taking the plane die 12, abutting the bottom surface of the plane die 12 against the top surface of the movable frame 422, inserting a reinforcing plate on the plane die 12 between two horizontal sections of a positioning connecting plate 71, sequentially penetrating a positioning bolt 72 through the horizontal sections of the positioning connecting plate 71 and the plane die 12 to fix the plane die 12, wherein the installation method of the step die 11 is the same as that of the plane die 12; after the step mold 11 and the plane mold 12 are installed, the movable rod 421 is pushed to make the step mold 11 and the plane mold 12 abut against each other, the first fixing rod 83 is rotated to a horizontal position, the free section of the first fixing rod 83 sequentially passes through the first connecting groove 811 and the second connecting groove 821 to be connected with the first rotating ring 84, the first rotating ring 84 is rotated to abut against the side wall of the second fixing block 82, and at this time, the movable rod 421 is fixed through the fixing component 8; in the process that the movable frame 422 is close to the fixed frame 411, one end of the second fixed rod 911 sequentially penetrates through the side wall of the fixed frame 411 close to the movable frame 422 and two side walls of the movable frame 422 in the length direction to be connected with the second rotating ring 912, the second rotating ring 912 is rotated to enable the second rotating ring 912 to be abutted against the side wall of the movable frame 422, the connection between the movable frame 422 and the fixed frame 411 is strengthened, and concrete pouring is carried out to manufacture the stair.

After the stair is formed, the second rotating ring 912 is rotated to separate the second rotating ring 912 from the second fixing rod 911, the first rotating ring 84 is rotated to separate the first rotating ring 84 from the first fixing rod 83, the movable rod 421 is pushed to move the movable rod 421 in the direction away from the fixing rod 412, the plane die 12 is separated from the step die 11, the stair is taken out, and the work of carrying the device by the stair die 1 is completed.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a vertical stair mould carries on device which characterized in that: including base (3) and supporting component (4) that are used for supporting stair mould (1), supporting component (4) are including fixed part (41) and movable part (42), and fixed part (41) are connected with base (3), and fixed part (41) and movable part (42) are connected with the both sides of stair mould (1) respectively, all are equipped with locating component (7) that are used for making stair mould (1) location on fixed part (41) and movable part (42).

2. A stair mold shipper as defined in claim 1 wherein: the fixing part (41) comprises a fixing frame (411) and a fixing rod (412), the fixing frame (411) is arranged above the base (3) and fixedly connected with the base (3), the fixing frame (411) is abutted to the bottom surface of the stair mold (1), the fixing rod (412) is fixedly connected with the side wall of the fixing frame (411), and the fixing rod (412) is connected with the positioning assembly (7).

3. A stair mold shipper as defined in claim 2 wherein: the movable part (42) comprises a movable rod (421) and a movable frame (422), a sliding assembly (6) used for enabling the movable rod (421) to move is connected to the movable rod (421), the side wall of the movable rod (421) is fixedly connected with the movable frame (422), the movable rod (421) is connected with a positioning assembly (7), and the movable frame (422) is abutted to the fixed frame (411).

4. A stair mold shipper as defined in claim 3 wherein: the positioning assembly (7) comprises a positioning connecting plate (71) and a positioning bolt (72), the positioning connecting plate (71) is fixed with a fixed rod (412) or a movable rod (421), the positioning connecting plate (71) is connected with a reinforcing plate on the stair mold (1) in an inserting mode, and the positioning bolt (72) penetrates through the positioning connecting plate (71) and the stair mold (1) to be connected with the stair mold (1).

5. A stair mold shipper as defined in claim 3 wherein: slip subassembly (6) include slide rail (61), connecting plate (62) and pulley (63), slide rail (61) fixed connection on the lateral wall of base (3), and the length direction of slide rail (61) is the same with the moving direction of movable rod (421), one side and the activity bracing piece fixed connection of connecting plate (62), the opposite side and the pulley (63) of connecting plate (62) rotate relatively and are connected, pulley (63) and slide rail (61) sliding connection.

6. A stair mold shipper as defined in claim 3 wherein: the bottom of movable rod (421) is connected with spacing subassembly (5), and spacing subassembly (5) include spacing track (51) and double round truckle (52), spacing track (51) and base (3) top surface fixed connection, the length direction of spacing track (51) is the same with the moving direction of movable rod (421), double round truckle (52) are connected with the bottom of movable rod (421), double round truckle (52) with spacing track (51) cooperation and with spacing track (51) sliding connection.

7. A stair mold shipper as defined in claim 3 wherein: the fixed rod (412) is connected with a fixed component (8) used for being fixed with the movable rod (421), the fixed component (8) comprises a first fixed block (81) and a second fixed block (82), first dead lever (83) and first swivel becket (84), first fixed block (81) and fixed support rod's top fixed connection, second fixed block (82) and movable support rod's top fixed connection, offer first connecting groove (811) that are used for connecting first dead lever (83) on first fixed block (81), offer second connecting groove (821) that are used for connecting first dead lever (83) on second fixed block (82), the one end and first fixed block (81) of first dead lever (83) are articulated, the other end passes first connecting groove (811), second connecting groove (821) and first swivel becket (84) threaded connection, first swivel becket (84) and movable rod (421) butt.

8. The stair mold shipper of claim 7, wherein: be equipped with on mount (411) and be used for strengthening reinforcement assembly (9) of being connected with adjustable shelf (422), reinforcement assembly (9) are including locking part (91), and locking part (91) include second dead lever (911) and second rotating ring (912), the one end and mount (411) butt of second dead lever (911), and fixed stay frame and movable stay frame and second rotating ring (912) threaded connection are worn to establish by the other end, second rotating ring (912) and adjustable shelf (422) butt.

9. A stair mold shipper as defined in claim 8 wherein: consolidate subassembly (9) and still include clamping part (92), clamping part (92) include first clamp bar (921) and second clamp bar (922), first clamp bar (921) and mount (411) fixed connection, second clamp bar (922) and adjustable shelf (422) fixed connection are equipped with fixed subassembly (8) on first clamp bar (921), second clamp bar (922).