CN213683212U - Span-reducing vertical rod for wood formwork early-dismantling system - Google Patents

Abstract

The utility model provides a subtract and stride pole setting for wood pattern early tear system open, including last backup pad, go up the bracing piece, the lower backup pad, lower support bar and supporting seat, it sets up and interval from top to bottom to go up backup pad and the equal level setting of lower backup pad, go up the equal vertical setting of bracing piece and lower support bar, the rotatable setting of lower extreme level of lower support bar is on the supporting seat, the lower support plate sets up on the upper end of lower support bar, the vertical lower backup pad and the lower support bar of wearing in middle part of going up the bracing piece, the vertical inserting of lower extreme of going up the bracing piece is established in the supporting seat and for adjustable setting from top to bottom of supporting seat, it sets up on the upper end. The utility model discloses a subtract and stride pole setting for wood pattern early system of tearing open can subtract the processing of striding to cast-in-place beam slab structure, realizes that the percentage of design concrete intensity grade value reaches and subtracts and stride the back intensity regulation and can tear the mould open for material turnover speed shortens construction period, design benefit, and the structure is succinct, makes portably, and is with low costs.

Description

Span-reducing vertical rod for wood formwork early-dismantling system

Technical Field

The utility model relates to a construction technical field, in particular to wooden model system technical field specifically indicates a subtract pole setting of striding that is used for wooden model early tear system open.

Background

Concrete structure engineering construction specifications stipulate the concrete strength when the bottom die and the support thereof are dismantled: when the span of the plate member is more than 8m or the span of the beam, the arch and the shell is more than 8m, the percentage of the designed concrete strength grade value is more than or equal to 100 percent.

However, according to the specification, the turnover speed of the bottom die and the support thereof is necessarily reduced, and the construction period is prolonged. If the cast-in-place beam slab structure can be subjected to span reduction treatment by changing a wood formwork system, the form can be disassembled when the percentage of the designed concrete strength grade value does not reach 100%, the material turnover speed can be increased, and the construction period can be shortened.

Therefore, it is desirable to provide a span-reducing upright rod for a wood formwork early-dismantling system, which can carry out span-reducing treatment on a cast-in-place beam slab structure, realize that the formwork dismantling can be carried out when the percentage of the designed concrete strength grade value reaches the specified strength after span reduction, accelerate the material turnover speed and shorten the construction period.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming among the above-mentioned prior art, an object of the utility model is to provide a subtract and stride pole setting that is used for the early system of tearing open of wooden pattern, it can subtract to cast-in-place beam slab structure and stride the processing, realizes that the percentage of design concrete intensity grade value reaches to subtract and stride the back intensity regulation and can tear the mould open for material turnover speed shortens construction period, is suitable for extensive popularization and application.

Another object of the utility model is to provide a subtract and stride pole setting for wood former system of tearing open early, its design benefit, the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.

In order to achieve the above object, the utility model discloses a subtract and stride pole setting for wood pattern early tear system open, its characteristics are, including last backup pad, last bracing piece, bottom suspension fagging and supporting seat, wherein:

go up the backup pad with the equal level setting of bottom suspension fagging just interval setting from top to bottom, go up the bracing piece with the equal vertical setting of bottom suspension fagging, the rotatable setting of lower extreme level of bottom suspension fagging is in on the supporting seat, the bottom suspension fagging sets up on the upper end of bottom suspension fagging, the middle part of going up the bracing piece is vertical wears to establish the bottom suspension fagging with the bottom suspension fagging, the lower extreme of going up the bracing piece is vertical to be inserted and is established in the supporting seat and for adjustable setting about the supporting seat, it is in to go up the backup pad setting go up on the upper end.

Preferably, the span-reducing vertical rod for the wood formwork early-dismantling system further comprises a first L-shaped support plate, a second L-shaped support plate, a third L-shaped support plate and a fourth L-shaped support plate, the upper end of the first L-shaped support plate and the upper end of the second L-shaped support plate are respectively connected with the left end and the right end of the upper support plate, the first L-shaped support plate and the second L-shaped support plate are oppositely arranged in direction, the upper end of the third L-shaped support plate and the upper end of the fourth L-shaped support plate are respectively connected with the front end and the rear end of the upper support plate, and the third L-shaped support plate and the fourth L-shaped support plate are oppositely arranged in direction.

Preferably, the span-reducing vertical rod for the wood formwork early-dismantling system further comprises a left inclined strut and a right inclined strut, the left inclined strut and the right inclined strut are obliquely arranged in the left-right direction and are arranged in an inverted splayed manner, the left end and the right end of the left inclined strut are respectively connected with the left end of the lower supporting plate and the lower supporting rod, and the left end and the right end of the right inclined strut are respectively connected with the lower supporting rod and the right end of the lower supporting plate.

Preferably, the supporting seat is provided with a first clamping groove, a notch of the first clamping groove is arranged upwards, and the lower end of the lower supporting rod is horizontally and rotatably arranged in the first clamping groove.

Preferably, the supporting seat comprises an upper adjusting nut and a supporting base, the upper adjusting nut is horizontally and rotatably arranged on the supporting base, the lower end of the upper supporting rod is a first threaded end, the first threaded end vertically penetrates through the upper adjusting nut and is vertically inserted into the supporting base and is in threaded engagement with the upper adjusting nut.

Preferably, the supporting base comprises a vertical supporting rod and a supporting bottom plate, the supporting bottom plate is horizontally arranged, the lower end of the vertical supporting rod is arranged on the supporting bottom plate, and the upper adjusting nut is horizontally and rotatably arranged on the upper end of the vertical supporting rod.

Furthermore, the upper adjusting nut is provided with a second clamping groove, a notch of the second clamping groove is arranged downwards, and the upper end level of the vertical supporting rod can be rotatably arranged in the second clamping groove.

Furthermore, the vertical supporting rods comprise a first supporting rod and a second supporting rod, the first supporting rod and the second supporting rod are vertically arranged, the lower end of the second supporting rod is arranged on the supporting bottom plate, the lower end of the first supporting rod is sleeved on the upper end of the second supporting rod and can be vertically and adjustably arranged relative to the upper end of the second supporting rod, and the upper adjusting nut is horizontally and rotatably arranged on the upper end of the first supporting rod.

Particularly preferably, the vertical support rod further comprises a lower adjusting nut, the lower end of the first support rod is horizontally and rotatably arranged on the lower adjusting nut, the upper end of the second support rod is a second threaded end, and the second threaded end vertically penetrates through the lower adjusting nut and the lower end of the first support rod and is in threaded engagement with the lower adjusting nut.

Particularly preferably, a third clamping groove is formed in the lower adjusting nut, a notch of the third clamping groove is arranged upward, and the lower end of the first supporting rod is horizontally and rotatably arranged in the third clamping groove.

The beneficial effects of the utility model mainly lie in:

1. the utility model discloses a subtract and stride pole setting for wood former early tear-open system includes upper support plate, upper strut, the bottom suspension fagging, bottom suspension fagging and supporting seat, upper support plate and bottom suspension fagging average level set up and interval sets up from top to bottom, upper strut and bottom suspension fagging all vertical setting, the lower extreme level rotatable setting of bottom suspension fagging is on the supporting seat, the bottom suspension fagging sets up on the upper end of bottom suspension fagging, lower support plate and bottom suspension fagging are vertically worn to the middle part of upper support rod, the lower extreme of upper strut is vertically inserted and is established in the supporting seat and adjustable setting from top to bottom relative to the supporting seat, upper support plate sets up on the upper end of upper strut, support the die block through upper support plate or directly as the die block during use, therefore, it can subtract and handle cast-in-place beam slab structure, realize that, the material turnover speed is accelerated, the construction period is shortened, and the method is suitable for large-scale popularization and application.

2. The utility model discloses a subtract and stride pole setting for wood pattern early tear system open includes the backup pad, go up the bracing piece, the bottom suspension fagging, bottom suspension fagging and supporting seat, go up backup pad and the setting of the equal level of bottom suspension fagging and interval from top to bottom, go up the equal vertical setting of bracing piece and bottom suspension fagging, the rotatable setting of lower extreme level of bottom suspension fagging is on the supporting seat, the bottom suspension fagging sets up on the upper end of bottom suspension fagging, the vertical backup pad and the bottom suspension fagging of wearing in middle part of going up the bracing piece, the vertical inserting of lower extreme of going up the bracing piece is established in the supporting seat and for adjustable setting about the supporting seat, it sets up on the upper end of last bracing piece to go up the backup pad, support the die block through last backup pad during.

These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims, wherein like reference numerals refer to corresponding parts throughout the several views, and wherein like reference numerals refer to like parts throughout the several views.

Drawings

Fig. 1 is a front perspective schematic view of a first embodiment of a span-reducing vertical rod for an early-dismantling system of a wood pattern according to the present invention.

Fig. 2 is a perspective schematic view of a second embodiment of the span-reducing vertical rod for an early-dismantling system of a wood pattern according to the present invention.

Fig. 3 is a schematic top view of the support plate of the first embodiment shown in fig. 1.

Fig. 4 is a schematic top view of the assembly of the support plate and the L-shaped support plate of the second embodiment shown in fig. 2.

Fig. 5 is a schematic cross-sectional view at the position a-a in fig. 4.

Fig. 6 is a schematic cross-sectional view at the position B-B in fig. 4.

Fig. 7 is a front view schematically illustrating an assembly of a lower support plate, a lower support bar, a left diagonal brace and a right diagonal brace of the first embodiment shown in fig. 1 and the second embodiment shown in fig. 2.

Fig. 8 is a top schematic view of the assembly shown in fig. 7.

Fig. 9 is a schematic front view of the upper adjustment nut of the first embodiment shown in fig. 1 and the second embodiment shown in fig. 2.

Fig. 10 is a schematic cross-sectional view of the position C-C in fig. 9.

Fig. 11 is a schematic cross-sectional view of the D-D location of fig. 9.

Fig. 12 is a schematic front view of the lower adjustment nut of the first embodiment shown in fig. 1 and the second embodiment shown in fig. 2.

Fig. 13 is a schematic cross-sectional view at the position E-E in fig. 12.

Fig. 14 is a front perspective schematic view of the first embodiment shown in fig. 1 in a use state.

Fig. 15 is a schematic top perspective view of the structure shown in fig. 14.

Fig. 16 is a front perspective schematic view of the structure of fig. 14 with the other internal frame removed.

Fig. 17 is a front perspective schematic view of the second embodiment shown in fig. 2 in use.

Fig. 18 is a schematic top perspective view of the structure shown in fig. 17.

Fig. 19 is a partially enlarged schematic view of the structure shown in fig. 17.

Fig. 20 is a right perspective partial enlarged schematic view of the structure shown in fig. 17.

Fig. 21 is a front view of the structure of fig. 17 with the other internal frame removed.

(symbol description)

1, supporting plates are arranged on the upper support plate; 2, an upper support rod; 3, a lower supporting plate; 4, a lower supporting rod; 5, supporting a seat; 6 a first L-shaped support plate; 7 a second L-shaped support plate; 8 a third L-shaped support plate; 9 a fourth L-shaped support plate; 10 left inclined strut; 11 a right inclined strut; 12 a first card slot; 13, adjusting a nut; 14 supporting a base; 15 vertical support bars; 16 supporting the base plate; 17 a second card slot; 18 a first support bar; 19 a second support bar; 20 lower adjusting nuts; 21 a third card slot; 22, casting a beam-slab structure in situ; 23, middle bottom die; 24, a left bottom die; 25, right bottom die; 26 a left bracket; 27 a right bracket; 28 left cross bar; 29 a right cross bar; 30 cushion blocks; 31 front side bottom die; 32 rear side bottom die; 33 a vertical plug; 34 are inserted into the holes.

Detailed Description

In order to clearly understand the technical contents of the present invention, the following embodiments are specifically illustrated in detail.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1-13, in the first embodiment and the second embodiment of the present invention, the span-reducing vertical rod for the early-dismantling system of wood formwork comprises an upper supporting plate 1, an upper supporting rod 2, a lower supporting plate 3, a lower supporting rod 4 and a supporting seat 5, wherein:

go up backup pad 1 with the 3 homoclines of bottom suspension strut set up and interval setting from top to bottom, go up bracing piece 2 with the equal vertical setting of bottom suspension strut 4, the rotatable setting of lower extreme level of bottom suspension strut 4 is in on the supporting seat 5, bottom suspension strut 3 sets up on the upper end of bottom suspension strut 4, go up the vertical wearing and establishing in middle part of bracing piece 2 bottom suspension strut 3 with bottom suspension strut 4, the vertical interpolation of lower extreme of going up bracing piece 2 is established in the supporting seat 5 and for the adjustable setting about supporting seat 5, it is in to go up backup pad 1 sets up go up on the upper end of bracing piece 2.

The span-reducing vertical rod for the wood pattern early-dismantling system can also comprise any other suitable components, as shown in figures 2 and 4-6, in the second embodiment of the utility model, the span-reducing upright rod for the wood pattern early-dismantling system further comprises a first L-shaped support plate 6, a second L-shaped support plate 7, a third L-shaped support plate 8 and a fourth L-shaped support plate 9, the upper end of the first L-shaped supporting plate 6 and the upper end of the second L-shaped supporting plate 7 are respectively connected with the left end and the right end of the upper supporting plate 1, first L shape backup pad 6 with second L shape backup pad 7 opposite direction sets up, the upper end of third L shape backup pad 8 with the upper end of fourth L shape backup pad 9 is connected respectively go up the front end and the rear end of backup pad 1, third L shape backup pad 8 with fourth L shape backup pad 9 opposite direction sets up.

In order to increase the stability of the lower supporting plate 3, please refer to fig. 1-2 and fig. 7, in the first embodiment and the second embodiment of the present invention, the span-reducing vertical rod for the wood formwork early-dismantling system further includes a left inclined strut 10 and a right inclined strut 11, the left inclined strut 10 and the right inclined strut 11 are both inclined in the left and right direction and are arranged in an inverted splayed shape, the left end and the right end of the left inclined strut 10 are respectively connected to the left end of the lower supporting plate 3 and the lower supporting rod 4, and the left end and the right end of the right inclined strut 11 are respectively connected to the lower supporting rod 4 and the right end of the lower supporting plate 3.

The lower end of the lower support rod 4 can be rotatably disposed on the support base 5 by any suitable structure, as shown in fig. 1-2 and 9-10, in the first and second embodiments of the present invention, the support base 5 is provided with a first engaging groove 12, the opening of the first engaging groove 12 is disposed upward, and the lower end of the lower support rod 4 can be rotatably disposed in the first engaging groove 12.

The lower end of the upper supporting rod 2 is vertically inserted into the supporting seat 5 and can adopt any suitable structure relative to the upper and lower adjustable arrangement of the supporting seat 5, please refer to fig. 1-2 and fig. 9-10. in the first and second embodiments of the present invention, the supporting seat 5 comprises an upper adjusting nut 13 and a supporting base 14, the upper adjusting nut 13 is horizontally and rotatably arranged on the supporting base 14, the lower end of the upper supporting rod 2 is a first threaded end, and the first threaded end vertically penetrates through the upper adjusting nut 13 and is vertically inserted into the supporting base 14 and is in threaded engagement with the upper adjusting nut 13. Under the condition that the support seat 5 is provided with the first clamping groove 12, the first clamping groove 12 is arranged on the upper adjusting nut 13.

The supporting base 14 may have any suitable structure, as shown in fig. 1-2, in the first and second embodiments of the present invention, the supporting base 14 includes a vertical supporting rod 15 and a supporting bottom plate 16, the supporting bottom plate 16 is horizontally disposed, the lower end of the vertical supporting rod 15 is disposed on the supporting bottom plate 16, and the upper adjusting nut 13 is horizontally and rotatably disposed on the upper end of the vertical supporting rod 15.

The upper adjusting nut 13 can be horizontally and rotatably disposed on the upper end of the vertical supporting rod 15 by any suitable structure, as shown in fig. 1-2, 9 and 11, in the first and second embodiments of the present invention, the upper adjusting nut 13 is provided with a second engaging groove 17, the notch of the second engaging groove 17 is disposed downward, and the upper end of the vertical supporting rod 15 is horizontally and rotatably disposed in the second engaging groove 17.

The vertical support rod 15 may have any suitable structure, as shown in fig. 1-2, in the first and second embodiments of the present invention, the vertical support rod 15 includes a first support rod 18 and a second support rod 19, the first support rod 18 and the second support rod 19 are vertically disposed, the lower end of the second support rod 19 is disposed on the support base plate 16, the lower end of the first support rod 18 is sleeved on the upper end of the second support rod 19 and is vertically adjustable relative to the upper end of the second support rod 19, and the upper adjusting nut 13 is horizontally and rotatably disposed on the upper end of the first support rod 18. In the case that the upper adjusting nut 13 is provided with a second locking groove 17, the upper end of the first supporting rod 18 is horizontally and rotatably disposed in the second locking groove 17.

The lower pot head of first bracing piece 18 establish on the upper end of second bracing piece 19 and for the upper end adjustable setting of second bracing piece 19 can adopt any suitable structure from top to bottom, please refer to fig. 1-2 and fig. 12-13 show the utility model discloses a first embodiment and second embodiment, vertical bracing piece 15 still includes adjusting nut 20 down, the rotatable setting of lower extreme level of first bracing piece 18 down on adjusting nut 20, the upper end of second bracing piece 19 be the second screwed end, the vertical wear to establish of second screwed end lower adjusting nut 20 with the lower extreme and the thread engagement of first bracing piece 18 adjusting nut 20 down.

The lower end of the first supporting rod 18 can be horizontally and rotatably disposed on the lower adjusting nut 20 and can adopt any suitable structure, please refer to fig. 1-2 and fig. 12-13, in the first and second embodiments of the present invention, the lower adjusting nut 20 is provided with a third engaging groove 21, the notch of the third engaging groove 21 is disposed upward, and the lower end of the first supporting rod 18 can be horizontally and rotatably disposed in the third engaging groove 21.

In order to ensure the stability of the present invention, please refer to fig. 10 to 11, in the first embodiment and the second embodiment of the present invention, the diameter of the first engaging groove 12 is smaller than the diameter of the second engaging groove 17.

Please refer to fig. 14 to 15, when the first embodiment of the present invention is adopted to perform span reduction processing on a cast-in-place beam slab structure 22, the upper adjusting nut 13 and the lower adjusting nut 20 rotate horizontally to move the upper supporting plate 1 up and down to support the middle bottom die 23 (here, a strip-shaped wood die), the left bottom die 24 and the right bottom die 25 are respectively supported by the left bracket 26 and the right bracket 27, the direction of the left bottom die can be adjusted by rotating the lower supporting plate 3 horizontally to be located below the left cross bar 28 of the left bracket 26 and the right cross bar 29 of the right bracket 27, and the lower adjusting nut 20 rotates horizontally to move the lower supporting plate 3 up and down to support the left cross bar 28 of the left bracket 26 and the right cross bar 29 of the right bracket 27, so as to prevent the left cross bar 28 and the right cross bar 29 from being in a cantilever state. The utility model discloses a exist of subtracting the pole setting of striding for the early system of tearing open of wood pattern makes cast-in-place beam slab structure 22's span reduce theoretically to reduced the concrete intensity that the form of tearing open standardizes, can demolish left side die block 24, right side die block 25, left socle 26 and right branch frame 27 when structural strength does not reach the intensity that former span stipulated, demolish the back as shown in FIG. 17, treat that structural strength will again after reaching the intensity that former span stipulated the utility model discloses a subtract pole setting and middle die block 23 and demolish that strides for the early system of tearing open of wood pattern.

Referring to fig. 17 to 20, when the cast-in-place beam structure 22 is subjected to the span-reducing treatment by the second embodiment of the present invention, the upper adjusting nut 13 and the lower adjusting nut 20 are horizontally rotated to move the upper supporting plate 1 up and down, so that it directly serves as a part of the middle bottom mold 23, the left bottom mold 24 and the right bottom mold 25 are respectively supported by the left bracket 26 and the right bracket 27, and are respectively overlapped on the first L-shaped supporting plate 6 and the second L-shaped supporting plate 7 by the spacer 30, the front bottom mold 31 and the rear bottom mold 32 are respectively inserted into the insertion holes 34 formed in the third L-shaped supporting plate 8 and the fourth L-shaped supporting plate 9 by the vertical plugs 33 respectively provided on the lower surfaces thereof to realize overlapping, and are directionally adjusted by horizontally rotating the lower supporting plate 3 to be located below the left cross bar 28 of the left bracket 26 and the right cross bar 29 of the right bracket 27, and are horizontally rotated the lower adjusting nut 20, the lower support plate 3 is moved up and down so that it supports the left cross bar 28 of the left bracket 26 and the right cross bar 29 of the right bracket 27, avoiding the left cross bar 28 and the right cross bar 29 from being in a cantilever state. The utility model discloses a exist of subtracting of stride pole setting for wood pattern early system of tearing open makes cast-in-place beam slab structure 22's span reduce theoretically to reduced the concrete intensity that the form removal is standard, can demolish left side die block 24, right side die block 25, left socle 26 and right branch frame 27 when structural strength does not reach the intensity that former span stipulated, demolish the back as shown in figure 21, treat that structural strength will again after reaching the intensity that former span stipulated the utility model discloses a subtract of stride pole setting, front side end mould 31 and rear side end mould 32 for wood pattern early system of tearing open demolishs.

Therefore, adopt the utility model discloses, the utility model discloses the inner tower and the die block of the left and right sides can be demolishd earlier after the percentage of design concrete strength grade value reaches the requirement (subtract intensity regulation after striding), wait to demolish after structural strength reaches original span requirement the utility model discloses, realize material saving, reduction of erection time's purpose.

To sum up, the utility model discloses a subtract and stride pole setting for wood pattern early tear system open can subtract the processing of striding to cast-in-place beam slab structure, realizes that the percentage of design concrete intensity grade value reaches and subtracts and stride the back intensity regulation and can tear the mould open for material turnover speed shortens construction period, design benefit, the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.

Therefore, the purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments, and the embodiments may be modified without departing from the principles. Therefore, the present invention includes all modifications within the spirit and scope of the appended claims.

Claims (10)

1. The utility model provides a subtract and stride pole setting that is used for wood pattern early system of tearing open which characterized in that, includes last backup pad, goes up bracing piece, bottom suspension fagging and supporting seat, wherein:

go up the backup pad with the equal level setting of bottom suspension fagging just interval setting from top to bottom, go up the bracing piece with the equal vertical setting of bottom suspension fagging, the rotatable setting of lower extreme level of bottom suspension fagging is in on the supporting seat, the bottom suspension fagging sets up on the upper end of bottom suspension fagging, the middle part of going up the bracing piece is vertical wears to establish the bottom suspension fagging with the bottom suspension fagging, the lower extreme of going up the bracing piece is vertical to be inserted and is established in the supporting seat and for adjustable setting about the supporting seat, it is in to go up the backup pad setting go up on the upper end.

2. The span-reducing vertical rod for an early-dismantling system of wood formers as claimed in claim 1, further comprising a first L-shaped supporting plate, a second L-shaped supporting plate, a third L-shaped supporting plate and a fourth L-shaped supporting plate, wherein the upper end of the first L-shaped supporting plate and the upper end of the second L-shaped supporting plate are respectively connected with the left end and the right end of the upper supporting plate, the first L-shaped supporting plate and the second L-shaped supporting plate are oppositely arranged, the upper end of the third L-shaped supporting plate and the upper end of the fourth L-shaped supporting plate are respectively connected with the front end and the rear end of the upper supporting plate, and the third L-shaped supporting plate and the fourth L-shaped supporting plate are oppositely arranged.

3. The span-reducing vertical rod for an early wood pattern dismantling system as set forth in claim 1, further comprising a left diagonal brace and a right diagonal brace, wherein said left diagonal brace and said right diagonal brace are both obliquely arranged in a left-right direction and are arranged in an inverted splayed manner, a left end and a right end of said left diagonal brace are respectively connected to a left end of said lower support plate and said lower support rod, and a left end and a right end of said right diagonal brace are respectively connected to a left end of said lower support plate and a right end of said lower support plate.

4. The span-reducing vertical rod for the early-dismantling system of the wood pattern as claimed in claim 1, wherein the supporting seat is provided with a first locking groove, the notch of the first locking groove is arranged upward, and the lower end of the lower supporting rod is horizontally and rotatably arranged in the first locking groove.

5. The span-reducing vertical rod for the early-dismantling system of the wood pattern as set forth in claim 1, wherein said supporting base comprises an upper adjusting nut and a supporting base, said upper adjusting nut being horizontally and rotatably disposed on said supporting base, a lower end of said upper supporting rod being a first threaded end vertically penetrating said upper adjusting nut and vertically inserted into said supporting base and threadedly engaged with said upper adjusting nut.

6. The span-reducing vertical rod for the early-dismantling system of the wood pattern as claimed in claim 5, wherein the supporting base comprises a vertical supporting rod and a supporting bottom plate, the supporting bottom plate is horizontally arranged, the lower end of the vertical supporting rod is arranged on the supporting bottom plate, and the upper adjusting nut is horizontally and rotatably arranged on the upper end of the vertical supporting rod.

7. The span-reducing vertical rod for the early-dismantling system of the wood pattern as claimed in claim 6, wherein the upper adjusting nut is provided with a second clamping groove, a notch of the second clamping groove is arranged downwards, and an upper end of the vertical supporting rod is horizontally and rotatably arranged in the second clamping groove.

8. The span-reducing vertical rod for the early-dismantling system of wood formers as claimed in claim 6, wherein the vertical supporting rods comprise a first supporting rod and a second supporting rod, the first supporting rod and the second supporting rod are both vertically arranged, the lower end of the second supporting rod is arranged on the supporting bottom plate, the lower end of the first supporting rod is sleeved on the upper end of the second supporting rod and is vertically adjustable relative to the upper end of the second supporting rod, and the upper adjusting nut is horizontally and rotatably arranged on the upper end of the first supporting rod.

9. The span-reducing vertical rod for an early-dismantling system of wood formers as claimed in claim 8, wherein the vertical support rod further comprises a lower adjusting nut, the lower end of the first support rod is horizontally and rotatably disposed on the lower adjusting nut, the upper end of the second support rod is a second threaded end, and the second threaded end vertically penetrates through the lower adjusting nut and the lower end of the first support rod and is in threaded engagement with the lower adjusting nut.

10. The span-reducing vertical rod for the early-dismantling system of the wood pattern as claimed in claim 9, wherein the lower adjusting nut is provided with a third locking groove, a notch of the third locking groove is arranged upward, and a lower end of the first supporting rod is horizontally and rotatably arranged in the third locking groove.

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